COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: VLBI follow-up of the first (of many) OH Megamasers detected with Aperti Exp. Code: em154 Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: John McKean Address: ASTRON Postbus 2 7990 AA, Dwingeloo the Netherlands Phone: +31 521 595 780 EMAIL: mckean@astron.nl Fax: +31 521 595 101 Phone during observation: +31 624 328 991 Observing mode: 21cm 512-4-2 Notes: out-station 64MHz channel over redshifted 1612 & 1665/7 lines 4th BBC per pol put in gap between those lines Ur,QUASARs,T6,Mc low-end cut-offs will exclude some channels Schedule for ZELENCHK (Code Zc ) Page 2 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- Next scan frequencies: 1351.84 1351.84 1351.84 1351.84 1370.59 1370.59 1370.59 1370.59 1389.09 1389.09 1389.09 1389.09 1434.34 1434.34 1434.34 1434.34 Next BBC frequencies: 91.84 91.84 91.84 91.84 110.59 110.59 110.59 110.59 129.09 129.09 129.09 129.09 174.34 174.34 174.34 174.34 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 11 30 00 J1102+5941 06 56 57 50.3 404.3 -4.1 -85.0 0 0 11 30 00 11 31 30 =1059+599 06 58 28 50.5 404.3 -4.1 -85.3 90 6 11 30 01 11 31 30 IRAS10597+59 06 58 28 50.5 405.1 -4.1 -84.7 -13 6 No stop 11 35 00 --- 07 01 58 50.9 405.2 -4.0 -85.4 197 19 11 31 31 11 35 30 J1102+5941 07 02 28 51.0 404.4 -4.0 -86.1 17 19 11 35 30 11 37 00 =1059+599 07 03 59 51.2 404.4 -4.0 -86.4 90 25 11 35 31 11 37 00 IRAS10597+59 07 03 59 51.2 405.2 -4.0 -85.8 -13 25 No stop 11 40 30 --- 07 07 29 51.6 405.3 -3.9 -86.5 197 38 11 37 01 11 40 30 J1102+5941 07 07 29 51.7 404.5 -3.9 -87.1 -13 38 No stop 11 42 00 =1059+599 07 08 59 51.8 404.5 -3.9 -87.5 77 44 11 40 31 11 42 00 IRAS10597+59 07 08 59 51.8 405.3 -3.9 -86.8 -13 44 No stop 11 45 30 --- 07 12 30 52.3 405.3 -3.9 -87.5 197 58 11 42 01 11 46 00 J1102+5941 07 13 00 52.4 404.5 -3.8 -88.3 17 58 11 46 00 11 47 30 =1059+599 07 14 30 52.5 404.5 -3.8 -88.6 90 63 11 46 01 11 47 30 IRAS10597+59 07 14 30 52.5 405.4 -3.8 -87.9 -13 63 No stop 11 51 00 --- 07 18 01 53.0 405.4 -3.8 -88.7 197 77 11 47 31 11 51 00 J1102+5941 07 18 01 53.0 404.5 -3.8 -89.4 -13 77 No stop 11 52 30 =1059+599 07 19 31 53.2 404.5 -3.7 -89.7 77 83 11 51 01 11 52 30 IRAS10597+59 07 19 31 53.2 405.4 -3.7 -89.0 -13 83 No stop 11 56 00 --- 07 23 02 53.6 405.4 -3.7 -89.7 197 96 11 52 31 11 56 30 J1102+5941 07 23 32 53.7 404.5 -3.7 -90.5 17 96 11 56 30 11 58 00 =1059+599 07 25 02 53.9 404.5 -3.6 -90.9 90 102 11 56 31 11 58 00 IRAS10597+59 07 25 02 53.9 405.4 -3.7 -90.2 -13 102 No stop 12 01 30 --- 07 28 33 54.3 405.4 -3.6 -90.9 197 115 11 58 01 12 01 30 J1102+5941 07 28 33 54.3 404.5 -3.6 -91.6 -13 115 No stop 12 03 00 =1059+599 07 30 03 54.5 404.5 -3.6 -92.0 77 121 12 01 31 Schedule for ZELENCHK (Code Zc ) Page 3 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 12 03 00 IRAS10597+59 07 30 03 54.5 405.4 -3.6 -91.2 -13 121 No stop 12 06 30 --- 07 33 33 55.0 405.4 -3.5 -92.0 197 135 12 03 01 12 07 00 J1102+5941 07 34 03 55.0 404.5 -3.5 -92.9 17 135 12 07 00 12 08 30 =1059+599 07 35 34 55.2 404.5 -3.5 -93.2 90 140 12 07 01 12 08 30 IRAS10597+59 07 35 34 55.2 405.3 -3.5 -92.5 -13 140 No stop 12 12 00 --- 07 39 04 55.7 405.3 -3.4 -93.2 197 154 12 08 31 12 12 00 J1102+5941 07 39 04 55.7 404.4 -3.4 -94.0 -14 154 No stop 12 13 30 =1059+599 07 40 34 55.8 404.4 -3.4 -94.4 76 160 12 12 01 12 13 30 IRAS10597+59 07 40 34 55.9 405.3 -3.4 -93.6 -14 160 No stop 12 17 00 --- 07 44 05 56.3 405.2 -3.3 -94.4 196 173 12 13 31 12 17 30 J1102+5941 07 44 35 56.3 404.3 -3.3 -95.3 16 173 12 17 30 12 19 00 =1059+599 07 46 05 56.5 404.3 -3.3 -95.6 90 179 12 17 31 12 19 00 IRAS10597+59 07 46 05 56.6 405.2 -3.3 -94.8 -14 179 No stop 12 22 30 --- 07 49 36 57.0 405.1 -3.2 -95.7 196 192 12 19 01 12 22 30 J1102+5941 07 49 36 57.0 404.2 -3.2 -96.5 -14 192 No stop 12 24 00 =1059+599 07 51 06 57.2 404.1 -3.2 -96.8 76 198 12 22 31 12 24 00 IRAS10597+59 07 51 06 57.2 405.1 -3.2 -96.0 -14 198 No stop 12 27 30 --- 07 54 37 57.7 405.0 -3.2 -96.8 196 212 12 24 01 12 28 00 J1102+5941 07 55 07 57.7 404.0 -3.1 -97.8 16 212 12 28 00 12 29 30 =1059+599 07 56 37 57.9 404.0 -3.1 -98.1 90 217 12 28 01 12 29 30 IRAS10597+59 07 56 37 57.9 404.9 -3.1 -97.3 -14 217 No stop 12 33 00 --- 08 00 08 58.4 404.8 -3.1 -98.2 196 231 12 29 31 12 33 00 J1102+5941 08 00 08 58.3 403.8 -3.1 -99.0 -14 231 No stop 12 34 30 =1059+599 08 01 38 58.5 403.8 -3.0 -99.4 76 237 12 33 01 12 34 30 IRAS10597+59 08 01 38 58.6 404.8 -3.0 -98.5 -14 237 No stop 12 38 00 --- 08 05 09 59.0 404.6 -3.0 -99.4 196 250 12 34 31 12 38 30 J1102+5941 08 05 39 59.0 403.6 -3.0 -100.4 16 250 12 38 30 12 40 00 =1059+599 08 07 09 59.2 403.6 -2.9 -100.8 90 256 12 38 31 12 40 00 IRAS10597+59 08 07 09 59.3 404.5 -2.9 -99.9 -14 256 No stop 12 43 30 --- 08 10 39 59.7 404.4 -2.9 -100.8 196 269 12 40 01 Schedule for ZELENCHK (Code Zc ) Page 4 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 12 43 30 J1102+5941 08 10 39 59.6 403.4 -2.9 -101.7 -14 269 No stop 12 45 00 =1059+599 08 12 10 59.8 403.3 -2.9 -102.1 76 275 12 43 31 12 45 00 IRAS10597+59 08 12 10 59.9 404.3 -2.9 -101.2 -14 275 No stop 12 48 30 --- 08 15 40 60.3 404.1 -2.8 -102.1 196 288 12 45 01 12 49 00 J1102+5941 08 16 10 60.3 403.1 -2.8 -103.1 16 288 12 49 00 12 50 30 =1059+599 08 17 41 60.5 403.0 -2.8 -103.5 90 294 12 49 01 12 50 30 IRAS10597+59 08 17 41 60.6 404.0 -2.8 -102.6 -14 294 No stop 12 54 00 --- 08 21 11 61.0 403.8 -2.7 -103.6 196 308 12 50 31 12 54 00 J1102+5941 08 21 11 60.9 402.8 -2.7 -104.5 -14 308 No stop 12 55 30 =1059+599 08 22 41 61.1 402.7 -2.7 -104.9 76 313 12 54 01 13 00 30 4C39.25 08 27 42 77.7 467.9 -1.0 -62.1 211 313 13 00 30 13 05 30 --- 08 32 43 78.5 470.1 -0.9 -60.6 300 333 13 00 31 13 10 30 J1102+5941 08 37 44 62.9 401.5 -2.4 -109.2 207 333 13 10 30 13 15 30 =1059+599 08 42 45 63.5 401.0 -2.4 -110.7 300 352 13 10 31 13 15 30 IRAS10597+59 08 42 45 63.7 402.1 -2.4 -109.7 -14 352 No stop 13 19 00 --- 08 46 15 64.1 401.7 -2.3 -110.8 196 365 13 15 31 13 19 30 J1102+5941 08 46 45 64.0 400.6 -2.3 -111.9 16 365 13 19 30 13 21 00 =1059+599 08 48 16 64.2 400.4 -2.3 -112.4 90 371 13 19 31 13 21 00 IRAS10597+59 08 48 16 64.3 401.5 -2.3 -111.4 -14 371 No stop 13 24 30 --- 08 51 46 64.8 401.1 -2.2 -112.5 196 385 13 21 01 13 24 30 J1102+5941 08 51 46 64.6 400.0 -2.2 -113.5 -14 385 No stop 13 26 00 =1059+599 08 53 16 64.7 399.8 -2.2 -114.0 76 390 13 24 31 13 26 00 IRAS10597+59 08 53 16 64.9 401.0 -2.2 -113.0 -14 390 No stop 13 29 30 --- 08 56 47 65.4 400.5 -2.1 -114.1 196 404 13 26 01 13 30 00 J1102+5941 08 57 17 65.2 399.3 -2.1 -115.3 15 404 13 30 00 13 31 30 =1059+599 08 58 47 65.4 399.1 -2.1 -115.8 90 410 13 30 01 13 31 30 IRAS10597+59 08 58 47 65.6 400.3 -2.1 -114.8 -14 410 No stop 13 35 00 --- 09 02 18 66.0 399.8 -2.0 -116.0 196 423 13 31 31 13 35 00 J1102+5941 09 02 18 65.8 398.7 -2.0 -117.0 -15 423 No stop 13 36 30 =1059+599 09 03 48 65.9 398.5 -2.0 -117.5 75 429 13 35 01 Schedule for ZELENCHK (Code Zc ) Page 5 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 13 36 30 IRAS10597+59 09 03 48 66.2 399.6 -2.0 -116.5 -14 429 No stop 13 40 00 --- 09 07 19 66.6 399.1 -1.9 -117.7 196 442 13 36 31 13 40 30 J1102+5941 09 07 49 66.4 397.9 -1.9 -118.9 15 442 13 40 30 13 42 00 =1059+599 09 09 19 66.6 397.6 -1.9 -119.5 90 448 13 40 31 13 42 00 IRAS10597+59 09 09 19 66.8 398.8 -1.9 -118.4 -14 448 No stop 13 45 30 --- 09 12 50 67.2 398.2 -1.9 -119.7 196 462 13 42 01 13 45 30 J1102+5941 09 12 50 66.9 397.1 -1.9 -120.8 -15 462 No stop 13 47 00 =1059+599 09 14 20 67.1 396.8 -1.8 -121.3 75 467 13 45 31 13 47 00 IRAS10597+59 09 14 20 67.4 398.0 -1.8 -120.2 -14 467 No stop 13 50 30 --- 09 17 50 67.7 397.4 -1.8 -121.6 196 481 13 47 01 13 51 00 J1102+5941 09 18 21 67.5 396.1 -1.8 -122.8 15 481 13 51 00 13 52 30 =1059+599 09 19 51 67.7 395.8 -1.7 -123.4 90 487 13 51 01 13 52 30 IRAS10597+59 09 19 51 68.0 397.0 -1.7 -122.3 -14 487 No stop 13 56 00 --- 09 23 21 68.3 396.3 -1.7 -123.7 196 500 13 52 31 13 56 00 J1102+5941 09 23 21 68.1 395.2 -1.7 -124.8 -15 500 No stop 13 57 30 =1059+599 09 24 52 68.2 394.9 -1.7 -125.4 75 506 13 56 01 13 57 30 IRAS10597+59 09 24 52 68.5 396.0 -1.7 -124.3 -14 506 No stop 14 01 00 --- 09 28 22 68.9 395.3 -1.6 -125.7 196 519 13 57 31 14 01 30 J1102+5941 09 28 52 68.6 394.1 -1.6 -127.0 15 519 14 01 30 14 03 00 =1059+599 09 30 22 68.8 393.8 -1.6 -127.6 90 525 14 01 31 14 03 00 IRAS10597+59 09 30 22 69.1 394.9 -1.6 -126.5 -14 525 No stop 14 06 30 --- 09 33 53 69.4 394.1 -1.5 -128.0 196 538 14 03 01 14 06 30 J1102+5941 09 33 53 69.1 393.0 -1.5 -129.1 -15 538 No stop 14 08 00 =1059+599 09 35 23 69.3 392.6 -1.5 -129.7 75 544 14 06 31 14 08 00 IRAS10597+59 09 35 23 69.6 393.8 -1.5 -128.6 -14 544 No stop 14 11 30 --- 09 38 54 69.9 393.0 -1.4 -130.2 196 558 14 08 01 14 12 00 J1102+5941 09 39 24 69.7 391.7 -1.4 -131.5 15 558 14 12 00 14 13 30 =1059+599 09 40 54 69.8 391.3 -1.4 -132.1 90 563 14 12 01 14 13 30 IRAS10597+59 09 40 54 70.1 392.5 -1.4 -131.1 -14 563 No stop 14 17 00 --- 09 44 25 70.5 391.6 -1.3 -132.7 196 577 14 13 31 Schedule for ZELENCHK (Code Zc ) Page 6 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 14 17 00 J1102+5941 09 44 25 70.1 390.5 -1.3 -133.7 -15 577 No stop 14 18 30 =1059+599 09 45 55 70.3 390.1 -1.3 -134.4 75 583 14 17 01 14 18 30 IRAS10597+59 09 45 55 70.6 391.2 -1.3 -133.3 -14 583 No stop 14 22 00 --- 09 49 26 70.9 390.2 -1.2 -135.0 196 596 14 18 31 14 22 30 J1102+5941 09 49 56 70.6 389.0 -1.2 -136.3 15 596 14 22 30 14 24 00 =1059+599 09 51 26 70.7 388.6 -1.2 -137.0 90 602 14 22 31 14 24 00 IRAS10597+59 09 51 26 71.1 389.7 -1.2 -136.0 -14 602 No stop 14 27 30 --- 09 54 57 71.4 388.6 -1.2 -137.7 196 615 14 24 01 14 27 30 J1102+5941 09 54 57 71.0 387.6 -1.2 -138.7 -14 615 No stop 14 29 00 =1059+599 09 56 27 71.2 387.1 -1.1 -139.5 76 621 14 27 31 14 29 00 IRAS10597+59 09 56 27 71.6 388.2 -1.1 -138.4 -14 621 No stop 14 32 30 --- 09 59 57 71.8 387.1 -1.1 -140.2 196 635 14 29 01 14 33 00 J1102+5941 10 00 27 71.5 385.9 -1.1 -141.5 16 635 14 33 00 14 34 30 =1059+599 10 01 58 71.6 385.4 -1.0 -142.3 90 640 14 33 01 14 34 30 IRAS10597+59 10 01 58 72.0 386.5 -1.0 -141.3 -14 640 No stop 14 38 00 --- 10 05 28 72.3 385.3 -1.0 -143.1 196 654 14 34 31 14 38 00 J1102+5941 10 05 28 71.9 384.3 -1.0 -144.1 -14 654 No stop 14 39 30 =1059+599 10 06 58 72.0 383.8 -1.0 -144.9 76 660 14 38 01 14 39 30 IRAS10597+59 10 06 58 72.4 384.8 -1.0 -143.9 -14 660 No stop 14 43 00 --- 10 10 29 72.7 383.6 -0.9 -145.9 196 673 14 39 31 14 43 30 J1102+5941 10 10 59 72.3 382.4 -0.9 -147.1 16 673 14 43 30 14 45 00 =1059+599 10 12 29 72.4 381.9 -0.9 -147.9 90 679 14 43 31 14 45 00 IRAS10597+59 10 12 29 72.8 382.8 -0.9 -147.0 -13 679 No stop 14 48 30 --- 10 16 00 73.0 381.5 -0.8 -149.0 197 692 14 45 01 14 48 30 J1102+5941 10 16 00 72.6 380.6 -0.8 -149.9 -14 692 No stop 14 50 00 =1059+599 10 17 30 72.7 380.1 -0.8 -150.7 76 698 14 48 31 14 50 00 IRAS10597+59 10 17 30 73.1 381.0 -0.8 -149.9 -13 698 No stop 14 53 30 --- 10 21 01 73.4 379.6 -0.7 -151.9 197 712 14 50 01 14 54 00 J1102+5941 10 21 31 72.9 378.5 -0.7 -153.0 16 712 14 54 00 14 55 30 =1059+599 10 23 01 73.0 378.0 -0.7 -153.9 90 717 14 54 01 Schedule for ZELENCHK (Code Zc ) Page 7 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 14 55 30 IRAS10597+59 10 23 01 73.5 378.8 -0.7 -153.1 -13 717 No stop 14 59 00 --- 10 26 32 73.7 377.3 -0.6 -155.2 197 731 14 55 31 14 59 00 J1102+5941 10 26 32 73.2 376.6 -0.6 -156.0 -13 731 No stop 15 00 30 =1059+599 10 28 02 73.3 376.0 -0.6 -156.9 77 737 14 59 01 15 00 30 IRAS10597+59 10 28 02 73.8 376.7 -0.6 -156.2 -12 737 No stop 15 04 00 --- 10 31 33 73.9 375.2 -0.5 -158.4 198 750 15 00 31 15 04 30 J1102+5941 10 32 03 73.5 374.3 -0.5 -159.3 17 750 15 04 30 15 06 00 =1059+599 10 33 33 73.5 373.7 -0.5 -160.3 90 756 15 04 31 15 06 00 IRAS10597+59 10 33 33 74.0 374.4 -0.5 -159.6 -12 756 No stop 15 09 30 --- 10 37 03 74.2 372.8 -0.5 -161.9 198 769 15 06 01 15 09 30 J1102+5941 10 37 03 73.7 372.2 -0.4 -162.5 -12 769 No stop 15 11 00 =1059+599 10 38 34 73.7 371.6 -0.4 -163.4 78 775 15 09 31 15 11 00 IRAS10597+59 10 38 34 74.2 372.1 -0.4 -162.8 -11 775 No stop 15 14 30 --- 10 42 04 74.4 370.5 -0.4 -165.1 199 788 15 11 01 15 15 00 J1102+5941 10 42 34 73.9 369.8 -0.4 -166.0 18 788 15 15 00 15 16 30 =1059+599 10 44 05 73.9 369.1 -0.3 -166.9 90 794 15 15 01 15 16 30 IRAS10597+59 10 44 05 74.4 369.6 -0.3 -166.5 -11 794 No stop 15 20 00 --- 10 47 35 74.5 367.9 -0.3 -168.8 199 808 15 16 31 15 20 00 J1102+5941 10 47 35 74.0 367.6 -0.3 -169.2 -11 808 No stop 15 21 30 =1059+599 10 49 05 74.0 366.9 -0.2 -170.2 79 813 15 20 01 15 21 30 IRAS10597+59 10 49 05 74.5 367.2 -0.2 -169.8 -11 813 No stop 15 25 00 --- 10 52 36 74.6 365.6 -0.2 -172.2 199 827 15 21 31 15 25 30 J1102+5941 10 53 06 74.1 365.0 -0.2 -172.8 19 827 15 25 30 15 27 00 =1059+599 10 54 36 74.1 364.4 -0.2 -173.8 90 833 15 25 31 15 27 00 IRAS10597+59 10 54 36 74.7 364.6 -0.2 -173.5 -11 833 No stop 15 30 30 --- 10 58 07 74.7 362.9 -0.1 -175.9 199 846 15 27 01 15 30 30 J1102+5941 10 58 07 74.2 362.7 -0.1 -176.1 -11 846 No stop 15 32 00 =1059+599 10 59 37 74.2 362.0 -0.1 -177.1 79 852 15 30 31 15 32 00 IRAS10597+59 10 59 37 74.7 362.2 -0.1 -177.0 -11 852 No stop 15 35 30 --- 11 03 08 74.7 360.5 -0.0 -179.4 199 865 15 32 01 Schedule for ZELENCHK (Code Zc ) Page 8 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 15 36 00 J1102+5941 11 03 38 74.2 360.2 -0.0 -179.8 19 865 15 36 00 15 37 30 =1059+599 11 05 08 74.2 359.5 0.0 179.2 90 871 15 36 01 15 37 30 IRAS10597+59 11 05 08 74.7 359.5 0.0 179.3 -11 871 No stop 15 41 00 --- 11 08 39 74.7 357.8 0.1 176.9 199 885 15 37 31 15 41 00 J1102+5941 11 08 39 74.2 357.8 0.1 176.9 -11 885 No stop 15 42 30 =1059+599 11 10 09 74.2 357.1 0.1 175.9 79 890 15 41 01 15 42 30 IRAS10597+59 11 10 09 74.7 357.0 0.1 175.8 -11 890 No stop 15 46 00 --- 11 13 39 74.6 355.3 0.2 173.4 199 904 15 42 31 15 46 30 J1102+5941 11 14 09 74.1 355.3 0.2 173.3 19 904 15 46 30 15 48 00 =1059+599 11 15 40 74.1 354.6 0.2 172.3 90 910 15 46 31 15 48 00 IRAS10597+59 11 15 40 74.6 354.4 0.2 172.1 -11 910 No stop 15 51 30 --- 11 19 10 74.5 352.7 0.3 169.7 199 923 15 48 01 15 51 30 J1102+5941 11 19 10 74.0 353.0 0.3 170.0 -11 923 No stop 15 53 00 =1059+599 11 20 41 74.0 352.3 0.3 169.0 79 929 15 51 31 15 53 00 IRAS10597+59 11 20 41 74.5 352.0 0.3 168.7 -11 929 No stop 15 56 30 --- 11 24 11 74.4 350.3 0.3 166.4 199 942 15 53 01 15 57 00 J1102+5941 11 24 41 73.9 350.5 0.3 166.4 19 942 15 57 00 15 58 30 =1059+599 11 26 11 73.9 349.9 0.4 165.5 90 948 15 57 01 15 58 30 IRAS10597+59 11 26 11 74.3 349.4 0.4 165.1 -11 948 No stop 16 02 00 --- 11 29 42 74.2 347.8 0.4 162.8 199 962 15 58 31 16 02 00 J1102+5941 11 29 42 73.7 348.3 0.4 163.2 -11 962 No stop 16 03 30 =1059+599 11 31 12 73.7 347.7 0.5 162.3 79 967 16 02 01 16 03 30 IRAS10597+59 11 31 12 74.2 347.1 0.5 161.8 -12 967 No stop 16 07 00 --- 11 34 43 74.0 345.6 0.5 159.5 198 981 16 03 31 16 07 30 J1102+5941 11 35 13 73.5 346.0 0.5 159.8 18 981 16 07 30 16 09 00 =1059+599 11 36 43 73.4 345.4 0.5 158.9 90 987 16 07 31 16 09 00 IRAS10597+59 11 36 43 73.9 344.7 0.5 158.3 -12 987 No stop 16 12 30 --- 11 40 14 73.7 343.2 0.6 156.1 198 1000 16 09 01 16 12 30 J1102+5941 11 40 14 73.3 343.9 0.6 156.7 -12 1000 No stop 16 14 00 =1059+599 11 41 44 73.2 343.3 0.6 155.8 78 1006 16 12 31 Schedule for ZELENCHK (Code Zc ) Page 9 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 16 14 00 IRAS10597+59 11 41 44 73.7 342.6 0.6 155.2 -13 1006 No stop 16 17 30 --- 11 45 15 73.5 341.2 0.7 153.0 197 1019 16 14 01 16 18 00 J1102+5941 11 45 45 73.0 341.7 0.7 153.5 17 1019 16 18 00 16 19 30 =1059+599 11 47 15 72.9 341.2 0.7 152.6 90 1025 16 18 01 16 19 30 IRAS10597+59 11 47 15 73.4 340.4 0.7 151.8 -13 1025 No stop 16 23 00 --- 11 50 45 73.1 339.0 0.8 149.8 197 1038 16 19 31 16 23 00 J1102+5941 11 50 45 72.7 339.8 0.8 150.6 -13 1038 No stop 16 24 30 =1059+599 11 52 16 72.6 339.3 0.8 149.7 77 1044 16 23 01 16 24 30 IRAS10597+59 11 52 16 73.0 338.4 0.8 148.9 -14 1044 No stop 16 28 00 --- 11 55 46 72.8 337.1 0.9 146.9 196 1058 16 24 31 16 28 30 J1102+5941 11 56 16 72.3 337.8 0.9 147.5 17 1058 16 28 30 16 30 00 =1059+599 11 57 47 72.2 337.3 0.9 146.7 90 1063 16 28 31 16 30 00 IRAS10597+59 11 57 47 72.7 336.4 0.9 145.8 -14 1063 No stop 16 33 30 --- 12 01 17 72.4 335.2 1.0 143.9 196 1077 16 30 01 16 33 30 J1102+5941 12 01 17 72.0 336.1 1.0 144.8 -14 1077 No stop 16 35 00 =1059+599 12 02 47 71.9 335.6 1.0 144.0 76 1083 16 33 31 16 35 00 IRAS10597+59 12 02 47 72.3 334.7 1.0 143.1 -14 1083 No stop 16 38 30 --- 12 06 18 72.0 333.5 1.0 141.2 196 1096 16 35 01 16 39 00 J1102+5941 12 06 48 71.6 334.3 1.0 141.9 16 1096 16 39 00 16 40 30 =1059+599 12 08 18 71.4 333.9 1.1 141.1 90 1102 16 39 01 16 40 30 IRAS10597+59 12 08 18 71.8 332.9 1.1 140.2 -14 1102 No stop 16 44 00 --- 12 11 49 71.5 331.8 1.1 138.4 196 1115 16 40 31 16 44 00 J1102+5941 12 11 49 71.2 332.8 1.1 139.3 -14 1115 No stop 16 45 30 =1059+599 12 13 19 71.0 332.4 1.2 138.6 76 1121 16 44 01 16 45 30 IRAS10597+59 12 13 19 71.4 331.3 1.2 137.6 -14 1121 No stop 16 49 00 --- 12 16 50 71.1 330.3 1.2 135.9 196 1135 16 45 31 16 49 30 J1102+5941 12 17 20 70.7 331.2 1.2 136.7 16 1135 16 49 30 16 51 00 =1059+599 12 18 50 70.6 330.8 1.2 135.9 90 1140 16 49 31 16 51 00 IRAS10597+59 12 18 50 70.9 329.7 1.2 134.9 -14 1140 No stop 16 54 30 --- 12 22 21 70.6 328.8 1.3 133.3 196 1154 16 51 01 Schedule for ZELENCHK (Code Zc ) Page 10 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 16 54 30 J1102+5941 12 22 21 70.2 329.9 1.3 134.3 -14 1154 No stop 16 56 00 =1059+599 12 23 51 70.1 329.5 1.3 133.6 76 1160 16 54 31 16 56 00 IRAS10597+59 12 23 51 70.5 328.4 1.3 132.6 -15 1160 No stop 16 59 30 --- 12 27 21 70.1 327.5 1.4 131.0 195 1173 16 56 01 17 00 00 J1102+5941 12 27 52 69.7 328.5 1.4 131.8 16 1173 17 00 00 17 01 30 =1059+599 12 29 22 69.6 328.1 1.4 131.1 90 1179 17 00 01 17 01 30 IRAS10597+59 12 29 22 69.9 327.0 1.4 130.1 -15 1179 No stop 17 05 00 --- 12 32 52 69.6 326.2 1.5 128.6 195 1192 17 01 31 17 05 00 J1102+5941 12 32 52 69.2 327.3 1.5 129.6 -14 1192 No stop 17 06 30 =1059+599 12 34 23 69.1 327.0 1.5 129.0 76 1198 17 05 01 17 06 30 IRAS10597+59 12 34 23 69.4 325.8 1.5 127.9 -15 1198 No stop 17 10 00 --- 12 37 53 69.1 325.1 1.6 126.5 195 1212 17 06 31 17 10 30 J1102+5941 12 38 23 68.7 326.1 1.6 127.3 16 1212 17 10 30 17 12 00 =1059+599 12 39 54 68.5 325.8 1.6 126.7 90 1217 17 10 31 17 12 00 IRAS10597+59 12 39 54 68.9 324.6 1.6 125.6 -15 1217 No stop 17 15 30 --- 12 43 24 68.5 323.9 1.7 124.2 195 1231 17 12 01 17 15 30 J1102+5941 12 43 24 68.2 325.1 1.7 125.3 -14 1231 No stop 17 17 00 =1059+599 12 44 54 68.0 324.8 1.7 124.7 76 1237 17 15 31 17 17 00 IRAS10597+59 12 44 54 68.3 323.6 1.7 123.6 -15 1237 No stop 17 20 30 --- 12 48 25 67.9 323.0 1.7 122.3 195 1250 17 17 01 17 21 00 J1102+5941 12 48 55 67.6 324.0 1.7 123.1 16 1250 17 21 00 17 22 30 =1059+599 12 50 25 67.5 323.7 1.8 122.5 90 1256 17 21 01 17 22 30 IRAS10597+59 12 50 25 67.7 322.6 1.8 121.5 -15 1256 No stop 17 26 00 --- 12 53 56 67.3 322.0 1.8 120.2 195 1269 17 22 31 17 26 00 J1102+5941 12 53 56 67.1 323.1 1.8 121.2 -14 1269 No stop 17 27 30 =1059+599 12 55 26 66.9 322.9 1.9 120.7 76 1275 17 26 01 17 27 30 IRAS10597+59 12 55 26 67.2 321.8 1.9 119.6 -15 1275 No stop 17 31 00 --- 12 58 57 66.8 321.2 1.9 118.4 195 1288 17 27 31 17 31 30 J1102+5941 12 59 27 66.5 322.3 1.9 119.2 16 1288 17 31 30 17 33 00 =1059+599 13 00 57 66.3 322.0 1.9 118.7 90 1294 17 31 31 Schedule for ZELENCHK (Code Zc ) Page 11 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 17 33 00 IRAS10597+59 13 00 57 66.6 320.9 1.9 117.7 -15 1294 No stop 17 36 30 --- 13 04 28 66.2 320.4 2.0 116.4 195 1308 17 33 01 17 36 30 J1102+5941 13 04 28 65.9 321.5 2.0 117.4 -14 1308 No stop 17 38 00 =1059+599 13 05 58 65.7 321.3 2.0 116.9 76 1313 17 36 31 17 43 00 3C345 13 10 59 50.8 436.9 -3.5 -66.2 160 1313 17 43 00 17 48 00 --- 13 15 59 51.7 437.5 -3.5 -66.5 300 1333 17 43 01 17 53 00 J1102+5941 13 21 00 64.0 319.4 2.3 112.0 157 1333 17 53 00 17 58 00 =1059+599 13 26 01 63.4 318.9 2.4 110.5 300 1352 17 53 01 17 58 00 IRAS10597+59 13 26 01 63.6 317.8 2.4 109.5 -14 1352 No stop 18 01 30 --- 13 29 32 63.2 317.5 2.4 108.5 196 1365 17 58 01 18 02 00 J1102+5941 13 30 02 62.9 318.5 2.4 109.3 16 1365 18 02 00 18 03 30 =1059+599 13 31 32 62.8 318.4 2.5 108.8 90 1371 18 02 01 18 03 30 IRAS10597+59 13 31 32 62.9 317.3 2.5 107.9 -14 1371 No stop 18 07 00 --- 13 35 03 62.5 317.0 2.5 106.9 196 1385 18 03 31 18 07 00 J1102+5941 13 35 03 62.3 318.1 2.5 107.8 -14 1385 No stop 18 08 30 =1059+599 13 36 33 62.2 318.0 2.5 107.3 76 1390 18 07 01 18 08 30 IRAS10597+59 13 36 33 62.3 316.9 2.5 106.4 -14 1390 No stop 18 12 00 --- 13 40 03 61.9 316.7 2.6 105.4 196 1404 18 08 31 18 12 30 J1102+5941 13 40 33 61.7 317.7 2.6 106.2 16 1404 18 12 30 18 14 00 =1059+599 13 42 04 61.5 317.6 2.6 105.8 90 1410 18 12 31 18 14 00 IRAS10597+59 13 42 04 61.6 316.5 2.6 104.9 -14 1410 No stop 18 17 30 --- 13 45 34 61.2 316.3 2.7 103.9 196 1423 18 14 01 18 17 30 J1102+5941 13 45 34 61.1 317.3 2.7 104.8 -14 1423 No stop 18 19 00 =1059+599 13 47 05 60.9 317.2 2.7 104.4 76 1429 18 17 31 18 19 00 IRAS10597+59 13 47 05 61.0 316.2 2.7 103.5 -14 1429 No stop 18 22 30 --- 13 50 35 60.6 316.0 2.8 102.6 196 1442 18 19 01 18 23 00 J1102+5941 13 51 05 60.4 317.0 2.8 103.3 16 1442 18 23 00 18 24 30 =1059+599 13 52 35 60.2 316.9 2.8 102.9 90 1448 18 23 01 18 24 30 IRAS10597+59 13 52 35 60.3 315.9 2.8 102.1 -14 1448 No stop 18 28 00 --- 13 56 06 59.9 315.7 2.9 101.2 196 1462 18 24 31 Schedule for ZELENCHK (Code Zc ) Page 12 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 18 28 00 J1102+5941 13 56 06 59.8 316.7 2.9 102.0 -14 1462 No stop 18 29 30 =1059+599 13 57 36 59.6 316.6 2.9 101.6 76 1467 18 28 01 18 29 30 IRAS10597+59 13 57 36 59.7 315.6 2.9 100.8 -14 1467 No stop 18 33 00 --- 14 01 07 59.2 315.5 3.0 99.9 196 1481 18 29 31 18 33 30 J1102+5941 14 01 37 59.1 316.4 3.0 100.6 16 1481 18 33 30 18 35 00 =1059+599 14 03 07 58.9 316.3 3.0 100.2 90 1487 18 33 31 18 35 00 IRAS10597+59 14 03 07 59.0 315.4 3.0 99.4 -14 1487 No stop 18 38 30 --- 14 06 38 58.5 315.2 3.0 98.5 196 1500 18 35 01 18 38 30 J1102+5941 14 06 38 58.5 316.2 3.0 99.3 -14 1500 No stop 18 40 00 =1059+599 14 08 08 58.3 316.1 3.1 98.9 76 1506 18 38 31 18 40 00 IRAS10597+59 14 08 08 58.3 315.2 3.1 98.1 -14 1506 No stop 18 43 30 --- 14 11 39 57.9 315.1 3.1 97.3 196 1519 18 40 01 18 44 00 J1102+5941 14 12 09 57.8 316.0 3.1 98.0 16 1519 18 44 00 18 45 30 =1059+599 14 13 39 57.6 316.0 3.2 97.6 90 1525 18 44 01 18 45 30 IRAS10597+59 14 13 39 57.6 315.0 3.2 96.8 -14 1525 No stop 18 49 00 --- 14 17 09 57.2 314.9 3.2 96.0 196 1538 18 45 31 18 49 00 J1102+5941 14 17 09 57.1 315.9 3.2 96.8 -14 1538 No stop 18 50 30 =1059+599 14 18 40 56.9 315.8 3.2 96.4 76 1544 18 49 01 18 50 30 IRAS10597+59 14 18 40 57.0 314.9 3.2 95.6 -14 1544 No stop 18 54 00 --- 14 22 10 56.6 314.8 3.3 94.8 196 1558 18 50 31 18 54 30 J1102+5941 14 22 40 56.4 315.7 3.3 95.5 16 1558 18 54 30 18 56 00 =1059+599 14 24 11 56.2 315.7 3.3 95.1 90 1563 18 54 31 18 56 00 IRAS10597+59 14 24 11 56.3 314.8 3.3 94.4 -14 1563 No stop 18 59 30 --- 14 27 41 55.9 314.7 3.4 93.6 196 1577 18 56 01 18 59 30 J1102+5941 14 27 41 55.8 315.6 3.4 94.3 -14 1577 No stop 19 01 00 =1059+599 14 29 11 55.6 315.6 3.4 93.9 76 1583 18 59 31 19 01 00 IRAS10597+59 14 29 11 55.7 314.7 3.4 93.2 -14 1583 No stop 19 04 30 --- 14 32 42 55.2 314.7 3.5 92.4 196 1596 19 01 01 19 05 00 J1102+5941 14 33 12 55.1 315.5 3.5 93.0 17 1596 19 05 00 19 06 30 =1059+599 14 34 42 54.9 315.5 3.5 92.7 90 1602 19 05 01 Schedule for ZELENCHK (Code Zc ) Page 13 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 19 06 30 IRAS10597+59 14 34 42 54.9 314.6 3.5 92.0 -13 1602 No stop 19 10 00 --- 14 38 13 54.5 314.6 3.6 91.2 197 1615 19 06 31 19 10 00 J1102+5941 14 38 13 54.5 315.5 3.6 91.9 -13 1615 No stop 19 11 30 =1059+599 14 39 43 54.3 315.5 3.6 91.6 77 1621 19 10 01 19 11 30 IRAS10597+59 14 39 43 54.3 314.6 3.6 90.9 -13 1621 No stop 19 15 00 --- 14 43 14 53.9 314.6 3.7 90.1 197 1635 19 11 31 19 15 30 J1102+5941 14 43 44 53.8 315.5 3.7 90.7 17 1635 19 15 30 19 17 00 =1059+599 14 45 14 53.6 315.5 3.7 90.4 90 1640 19 15 31 19 17 00 IRAS10597+59 14 45 14 53.6 314.6 3.7 89.7 -13 1640 No stop 19 20 30 --- 14 48 45 53.1 314.6 3.7 89.0 197 1654 19 17 01 19 20 30 J1102+5941 14 48 45 53.1 315.5 3.7 89.6 -13 1654 No stop 19 22 00 =1059+599 14 50 15 53.0 315.5 3.8 89.3 77 1660 19 20 31 19 22 00 IRAS10597+59 14 50 15 53.0 314.6 3.8 88.6 -13 1660 No stop 19 25 30 --- 14 53 45 52.5 314.6 3.8 87.9 197 1673 19 22 01 19 26 00 J1102+5941 14 54 16 52.4 315.5 3.8 88.4 17 1673 19 26 00 19 27 30 =1059+599 14 55 46 52.3 315.5 3.9 88.1 90 1679 19 26 01 19 27 30 IRAS10597+59 14 55 46 52.2 314.7 3.9 87.5 -13 1679 No stop 19 31 00 --- 14 59 16 51.8 314.7 3.9 86.8 197 1692 19 27 31 19 31 00 J1102+5941 14 59 16 51.8 315.5 3.9 87.4 -13 1692 No stop 19 32 30 =1059+599 15 00 47 51.6 315.5 3.9 87.1 77 1698 19 31 01 19 32 30 IRAS10597+59 15 00 47 51.6 314.7 3.9 86.5 -13 1698 No stop 19 36 00 --- 15 04 17 51.2 314.8 4.0 85.7 197 1712 19 32 31 19 36 30 J1102+5941 15 04 47 51.1 315.6 4.0 86.3 17 1712 19 36 30 19 38 00 =1059+599 15 06 18 50.9 315.6 4.0 85.9 90 1717 19 36 31 19 38 00 IRAS10597+59 15 06 18 50.9 314.8 4.0 85.3 -13 1717 No stop 19 41 30 --- 15 09 48 50.4 314.9 4.1 84.6 197 1731 19 38 01 19 41 30 J1102+5941 15 09 48 50.5 315.7 4.1 85.2 -13 1731 No stop 19 43 00 =1059+599 15 11 18 50.3 315.7 4.1 84.9 77 1737 19 41 31 19 43 00 IRAS10597+59 15 11 18 50.3 314.9 4.1 84.3 -13 1737 No stop 19 46 30 --- 15 14 49 49.8 315.0 4.2 83.6 197 1750 19 43 01 Schedule for ZELENCHK (Code Zc ) Page 14 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 19 47 00 J1102+5941 15 15 19 49.8 315.8 4.2 84.1 17 1750 19 47 00 19 48 30 =1059+599 15 16 49 49.6 315.8 4.2 83.8 90 1756 19 47 01 19 48 30 IRAS10597+59 15 16 49 49.5 315.0 4.2 83.2 -13 1756 No stop 19 52 00 --- 15 20 20 49.1 315.1 4.3 82.6 197 1769 19 48 31 19 52 00 J1102+5941 15 20 20 49.2 315.9 4.3 83.1 -13 1769 No stop 19 53 30 =1059+599 15 21 50 49.0 315.9 4.3 82.8 77 1775 19 52 01 19 53 30 IRAS10597+59 15 21 50 48.9 315.1 4.3 82.3 -13 1775 No stop 19 57 00 --- 15 25 21 48.5 315.2 4.4 81.6 197 1788 19 53 31 19 57 30 J1102+5941 15 25 51 48.5 316.0 4.4 82.0 17 1788 19 57 30 19 59 00 =1059+599 15 27 21 48.3 316.0 4.4 81.7 90 1794 19 57 31 19 59 00 IRAS10597+59 15 27 21 48.2 315.3 4.4 81.2 -13 1794 No stop 20 02 30 --- 15 30 52 47.8 315.4 4.4 80.5 197 1808 19 59 01 20 02 30 J1102+5941 15 30 52 47.8 316.1 4.4 81.1 -13 1808 No stop 20 04 00 =1059+599 15 32 22 47.6 316.2 4.5 80.8 77 1813 20 02 31 20 09 00 3C345 15 37 23 77.0 462.3 -1.1 -66.6 130 1813 20 09 00 20 14 00 --- 15 42 23 77.9 464.1 -1.0 -65.6 300 1833 20 09 01 20 19 00 J1102+5941 15 47 24 45.8 316.7 4.7 77.9 127 1833 20 19 00 20 24 00 =1059+599 15 52 25 45.2 316.9 4.8 77.0 300 1852 20 19 01 20 24 00 IRAS10597+59 15 52 25 45.0 316.2 4.8 76.5 -13 1852 No stop 20 27 30 --- 15 55 56 44.6 316.3 4.9 75.8 197 1865 20 24 01 20 28 00 J1102+5941 15 56 26 44.7 317.1 4.9 76.2 17 1865 20 28 00 20 29 30 =1059+599 15 57 56 44.5 317.1 4.9 75.9 90 1871 20 28 01 20 29 30 IRAS10597+59 15 57 56 44.4 316.4 4.9 75.5 -12 1871 No stop 20 33 00 --- 16 01 27 43.9 316.6 5.0 74.8 198 1885 20 29 31 20 33 00 J1102+5941 16 01 27 44.0 317.3 5.0 75.3 -12 1885 No stop 20 34 30 =1059+599 16 02 57 43.9 317.3 5.0 75.0 78 1890 20 33 01 20 34 30 IRAS10597+59 16 02 57 43.7 316.7 5.0 74.5 -12 1890 No stop 20 38 00 --- 16 06 27 43.3 316.8 5.0 73.9 198 1904 20 34 31 20 38 30 J1102+5941 16 06 57 43.4 317.5 5.0 74.3 18 1904 20 38 30 20 40 00 =1059+599 16 08 28 43.2 317.6 5.1 74.0 90 1910 20 38 31 Schedule for ZELENCHK (Code Zc ) Page 15 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 20 40 00 IRAS10597+59 16 08 28 43.1 316.9 5.1 73.5 -12 1910 No stop 20 43 30 --- 16 11 58 42.6 317.1 5.1 72.9 198 1923 20 40 01 20 43 30 J1102+5941 16 11 58 42.8 317.8 5.1 73.4 -12 1923 No stop 20 45 00 =1059+599 16 13 29 42.6 317.9 5.2 73.1 78 1929 20 43 31 20 45 00 IRAS10597+59 16 13 29 42.4 317.2 5.2 72.6 -12 1929 No stop 20 48 30 --- 16 16 59 42.0 317.4 5.2 72.0 198 1942 20 45 01 20 49 00 J1102+5941 16 17 29 42.1 318.1 5.2 72.4 18 1942 20 49 00 20 50 30 =1059+599 16 18 59 41.9 318.1 5.2 72.1 90 1948 20 49 01 20 50 30 IRAS10597+59 16 18 59 41.8 317.5 5.2 71.7 -12 1948 No stop 20 54 00 --- 16 22 30 41.3 317.7 5.3 71.0 198 1962 20 50 31 20 54 00 J1102+5941 16 22 30 41.5 318.3 5.3 71.5 -12 1962 No stop 20 55 30 =1059+599 16 24 00 41.3 318.4 5.3 71.2 78 1967 20 54 01 20 55 30 IRAS10597+59 16 24 00 41.2 317.8 5.3 70.8 -12 1967 No stop 20 59 00 --- 16 27 31 40.7 318.0 5.4 70.1 198 1981 20 55 31 20 59 30 J1102+5941 16 28 01 40.8 318.6 5.4 70.5 18 1981 20 59 30 21 01 00 =1059+599 16 29 31 40.7 318.7 5.4 70.2 90 1987 20 59 31 21 01 00 IRAS10597+59 16 29 31 40.5 318.1 5.4 69.8 -12 1987 No stop 21 04 30 --- 16 33 02 40.1 318.3 5.5 69.2 198 2000 21 01 01 21 04 30 J1102+5941 16 33 02 40.2 318.9 5.5 69.6 -12 2000 No stop 21 06 00 =1059+599 16 34 32 40.1 319.0 5.5 69.3 78 2006 21 04 31 21 06 00 IRAS10597+59 16 34 32 39.9 318.4 5.5 68.9 -12 2006 No stop 21 09 30 --- 16 38 03 39.5 318.6 5.6 68.3 198 2019 21 06 01 21 10 00 J1102+5941 16 38 33 39.6 319.2 5.6 68.6 18 2019 21 10 00 21 11 30 =1059+599 16 40 03 39.4 319.3 5.6 68.3 90 2025 21 10 01 21 11 30 IRAS10597+59 16 40 03 39.2 318.7 5.6 67.9 -12 2025 No stop 21 15 00 --- 16 43 33 38.8 318.9 5.7 67.3 198 2038 21 11 31 21 15 00 J1102+5941 16 43 33 39.0 319.5 5.7 67.7 -12 2038 No stop 21 16 30 =1059+599 16 45 04 38.8 319.6 5.7 67.4 78 2044 21 15 01 21 16 30 IRAS10597+59 16 45 04 38.6 319.0 5.7 67.1 -12 2044 No stop 21 20 00 --- 16 48 34 38.2 319.3 5.7 66.5 198 2058 21 16 31 Schedule for ZELENCHK (Code Zc ) Page 16 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 21 20 30 J1102+5941 16 49 04 38.4 319.9 5.8 66.7 18 2058 21 20 30 21 22 00 =1059+599 16 50 35 38.2 320.0 5.8 66.5 90 2063 21 20 31 21 22 00 IRAS10597+59 16 50 35 38.0 319.4 5.8 66.1 -12 2063 No stop 21 25 30 --- 16 54 05 37.6 319.6 5.8 65.5 198 2077 21 22 01 21 25 30 J1102+5941 16 54 05 37.8 320.2 5.8 65.8 -12 2077 No stop 21 27 00 =1059+599 16 55 35 37.6 320.3 5.9 65.6 78 2083 21 25 31 21 27 00 IRAS10597+59 16 55 35 37.4 319.7 5.9 65.2 -12 2083 No stop 21 30 30 --- 16 59 06 37.0 320.0 5.9 64.6 198 2096 21 27 01 21 31 00 J1102+5941 16 59 36 37.1 320.6 5.9 64.9 18 2096 21 31 00 21 32 30 =1059+599 17 01 06 37.0 320.7 6.0 64.6 90 2102 21 31 01 21 32 30 IRAS10597+59 17 01 06 36.8 320.1 6.0 64.3 -12 2102 No stop 21 36 00 --- 17 04 37 36.3 320.3 6.0 63.7 198 2115 21 32 31 21 36 00 J1102+5941 17 04 37 36.6 320.9 6.0 64.0 -12 2115 No stop 21 37 30 =1059+599 17 06 07 36.4 321.0 6.0 63.7 78 2121 21 36 01 21 37 30 IRAS10597+59 17 06 07 36.2 320.4 6.0 63.4 -12 2121 No stop 21 41 00 --- 17 09 38 35.8 320.7 6.1 62.8 198 2135 21 37 31 21 41 30 J1102+5941 17 10 08 35.9 321.3 6.1 63.0 18 2135 21 41 30 21 43 00 =1059+599 17 11 38 35.8 321.4 6.1 62.8 90 2140 21 41 31 21 43 00 IRAS10597+59 17 11 38 35.5 320.8 6.1 62.5 -12 2140 No stop 21 46 30 --- 17 15 09 35.1 321.1 6.2 61.9 198 2154 21 43 01 21 46 30 J1102+5941 17 15 09 35.4 321.7 6.2 62.2 -12 2154 No stop 21 48 00 =1059+599 17 16 39 35.2 321.8 6.2 61.9 78 2160 21 46 31 21 48 00 IRAS10597+59 17 16 39 35.0 321.2 6.2 61.6 -12 2160 No stop 21 51 30 --- 17 20 09 34.6 321.5 6.3 61.0 198 2173 21 48 01 21 52 00 J1102+5941 17 20 40 34.8 322.1 6.3 61.2 18 2173 21 52 00 21 53 30 =1059+599 17 22 10 34.6 322.2 6.3 61.0 90 2179 21 52 01 21 53 30 IRAS10597+59 17 22 10 34.4 321.6 6.3 60.7 -12 2179 No stop 21 57 00 --- 17 25 40 34.0 321.9 6.4 60.1 198 2192 21 53 31 21 57 00 J1102+5941 17 25 40 34.2 322.4 6.4 60.3 -12 2192 No stop 21 58 30 =1059+599 17 27 11 34.0 322.6 6.4 60.1 78 2198 21 57 01 Schedule for ZELENCHK (Code Zc ) Page 17 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 21 58 30 IRAS10597+59 17 27 11 33.8 322.0 6.4 59.8 -12 2198 No stop 22 02 00 --- 17 30 41 33.4 322.3 6.4 59.2 198 2212 21 58 31 22 02 30 J1102+5941 17 31 11 33.6 322.9 6.5 59.4 18 2212 22 02 30 22 04 00 =1059+599 17 32 42 33.4 323.0 6.5 59.1 90 2217 22 02 31 22 04 00 IRAS10597+59 17 32 42 33.2 322.5 6.5 58.9 -11 2217 No stop 22 07 30 --- 17 36 12 32.8 322.7 6.5 58.3 199 2231 22 04 01 22 07 30 J1102+5941 17 36 12 33.1 323.3 6.5 58.5 -12 2231 No stop 22 09 00 =1059+599 17 37 42 32.9 323.4 6.6 58.3 78 2237 22 07 31 22 09 00 IRAS10597+59 17 37 42 32.6 322.9 6.6 58.0 -11 2237 No stop 22 12 30 --- 17 41 13 32.3 323.1 6.6 57.4 199 2250 22 09 01 22 13 00 J1102+5941 17 41 43 32.5 323.7 6.6 57.6 19 2250 22 13 00 22 14 30 =1059+599 17 43 13 32.3 323.8 6.7 57.3 90 2256 22 13 01 22 14 30 IRAS10597+59 17 43 13 32.0 323.3 6.7 57.1 -11 2256 No stop 22 18 00 --- 17 46 44 31.7 323.6 6.7 56.5 199 2269 22 14 31 22 18 00 J1102+5941 17 46 44 31.9 324.1 6.7 56.7 -11 2269 No stop 22 19 30 =1059+599 17 48 14 31.8 324.2 6.7 56.5 79 2275 22 18 01 22 19 30 IRAS10597+59 17 48 14 31.5 323.7 6.7 56.2 -11 2275 No stop 22 23 00 --- 17 51 45 31.1 324.0 6.8 55.6 199 2288 22 19 31 22 23 30 J1102+5941 17 52 15 31.4 324.6 6.8 55.8 19 2288 22 23 30 22 25 00 =1059+599 17 53 45 31.2 324.7 6.8 55.5 90 2294 22 23 31 22 25 00 IRAS10597+59 17 53 45 30.9 324.2 6.8 55.3 -11 2294 No stop 22 28 30 --- 17 57 16 30.5 324.5 6.9 54.7 199 2308 22 25 01 22 28 30 J1102+5941 17 57 16 30.8 325.0 6.9 54.9 -11 2308 No stop 22 30 00 =1059+599 17 58 46 30.7 325.1 6.9 54.6 79 2313 22 28 31 22 30 00 IRAS10597+59 17 58 46 30.4 324.6 6.9 54.4 -11 2313 No stop 22 33 30 --- 18 02 16 30.0 324.9 7.0 53.8 199 2327 22 30 01 22 34 00 J1102+5941 18 02 46 30.3 325.5 7.0 53.9 19 2327 22 34 00 22 35 30 =1059+599 18 04 17 30.1 325.6 7.0 53.7 90 2333 22 34 01 22 35 30 IRAS10597+59 18 04 17 29.8 325.1 7.0 53.5 -11 2333 No stop 22 39 00 --- 18 07 47 29.5 325.4 7.1 52.9 199 2346 22 35 31 Schedule for ZELENCHK (Code Zc ) Page 18 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 22 39 00 J1102+5941 18 07 47 29.8 325.9 7.1 53.1 -11 2346 No stop 22 40 30 =1059+599 18 09 17 29.6 326.0 7.1 52.8 79 2352 22 39 01 22 40 30 IRAS10597+59 18 09 17 29.3 325.5 7.1 52.6 -11 2352 No stop 22 44 00 --- 18 12 48 28.9 325.9 7.1 52.0 199 2365 22 40 31 22 44 30 J1102+5941 18 13 18 29.2 326.4 7.2 52.1 19 2365 22 44 30 22 46 00 =1059+599 18 14 48 29.1 326.5 7.2 51.9 90 2371 22 44 31 22 46 00 IRAS10597+59 18 14 48 28.7 326.0 7.2 51.7 -11 2371 No stop 22 49 30 --- 18 18 19 28.4 326.4 7.2 51.1 199 2385 22 46 01 22 49 30 J1102+5941 18 18 19 28.7 326.8 7.2 51.3 -11 2385 No stop 22 51 00 =1059+599 18 19 49 28.6 327.0 7.3 51.0 79 2390 22 49 31 22 51 00 IRAS10597+59 18 19 49 28.2 326.5 7.3 50.8 -11 2390 No stop 22 54 30 --- 18 23 20 27.9 326.8 7.3 50.2 199 2404 22 51 01 22 55 00 J1102+5941 18 23 50 28.2 327.3 7.3 50.3 19 2404 22 55 00 22 56 30 =1059+599 18 25 20 28.0 327.5 7.4 50.1 90 2410 22 55 01 22 56 30 IRAS10597+59 18 25 20 27.7 327.0 7.4 49.9 -11 2410 No stop 23 00 00 --- 18 28 51 27.3 327.3 7.4 49.3 199 2423 22 56 31 23 00 00 J1102+5941 18 28 51 27.7 327.8 7.4 49.5 -11 2423 No stop 23 01 30 =1059+599 18 30 21 27.5 327.9 7.4 49.2 79 2429 23 00 01 23 01 30 IRAS10597+59 18 30 21 27.2 327.5 7.4 49.0 -11 2429 No stop 23 05 00 --- 18 33 52 26.9 327.8 7.5 48.4 199 2442 23 01 31 23 05 30 J1102+5941 18 34 22 27.1 328.3 7.5 48.5 19 2442 23 05 30 23 07 00 =1059+599 18 35 52 27.0 328.4 7.5 48.2 90 2448 23 05 31 23 07 00 IRAS10597+59 18 35 52 26.7 328.0 7.5 48.1 -11 2448 No stop 23 10 30 --- 18 39 22 26.3 328.4 7.6 47.5 199 2462 23 07 01 23 10 30 J1102+5941 18 39 22 26.7 328.8 7.6 47.6 -11 2462 No stop 23 12 00 =1059+599 18 40 53 26.5 328.9 7.6 47.4 79 2467 23 10 31 23 12 00 IRAS10597+59 18 40 53 26.2 328.5 7.6 47.2 -11 2467 No stop 23 15 30 --- 18 44 23 25.9 328.8 7.7 46.6 199 2481 23 12 01 23 16 00 J1102+5941 18 44 53 26.2 329.3 7.7 46.7 19 2481 23 16 00 23 17 30 =1059+599 18 46 24 26.0 329.5 7.7 46.4 90 2487 23 16 01 Schedule for ZELENCHK (Code Zc ) Page 19 VLBI follow-up of the first (of many) OH Megamasers detected with Aperti UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Tue 1 Jun 2021 Day 152 --- 23 17 30 IRAS10597+59 18 46 24 25.7 329.0 7.7 46.3 -11 2487 No stop 23 21 00 --- 18 49 54 25.4 329.4 7.8 45.7 199 2500 23 17 31 23 21 00 J1102+5941 18 49 54 25.7 329.8 7.8 45.8 -11 2500 No stop 23 22 30 =1059+599 18 51 24 25.6 329.9 7.8 45.6 79 2506 23 21 01 23 22 30 IRAS10597+59 18 51 24 25.2 329.5 7.8 45.4 -11 2506 No stop 23 26 00 --- 18 54 55 24.9 329.9 7.8 44.8 199 2519 23 22 31 23 26 30 J1102+5941 18 55 25 25.2 330.3 7.9 44.9 19 2519 23 26 30 23 28 00 =1059+599 18 56 55 25.1 330.5 7.9 44.6 90 2525 23 26 31 23 28 00 IRAS10597+59 18 56 55 24.7 330.1 7.9 44.5 -11 2525 No stop 23 30 00 --- 18 58 56 24.5 330.3 7.9 44.1 109 2533 23 28 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.H512 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: kvzr_l passed by Alexey Melnikov, Mar2014 ****** Only 64.00 of 128.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 2 Station: ZELENCHK Total bit rate: 512 Format: MARK5B Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 9 Setup file default. Used with PCAL = off LO sum= 1351.84 1351.84 1351.84 1351.84 1370.59 1370.59 1370.59 1370.59 1389.09 1389.09 1389.09 1389.09 1434.34 1434.34 1434.34 1434.34 BBC fr= 91.84 91.84 91.84 91.84 110.59 110.59 110.59 110.59 129.09 129.09 129.09 129.09 174.34 174.34 174.34 174.34 Bandwd= 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 Matching frequency sets: 9 10 18 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * IRAS10597+59 10 59 44.785916 * 11 02 47.066000 11 04 03.883889 0.00 59 26 45.43336 * 59 10 36.31000 59 04 02.92774 0.00 From catalog imbedded in main SCHED input file. * 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 21.445308 0.31 J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 59.56008 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc2016 J0927+39 GSFC 2016a X/S astro solution, 250526 observations. 1059+599 10 59 39.855860 * 11 02 42.762822 11 03 59.839818 0.87 * J1102+5941 59 57 28.62234 * 59 41 19.58540 59 34 46.34722 0.48 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc2016 GSFC 2016a X/S astro solution, 37 observations. * 3C345 16 41 17.606229 * 16 42 58.809967 16 43 43.269429 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 13.94338 0.59 1641+399 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc2016 J1642+39 GSFC 2016a X/S astro solution, 53724 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline IRAS10597+5sess221.H512 1 2 3 4 5 6 7 8 9 11 12 17 7.325 946.328 4C39.25 sess221.H512 1 2 3 4 5 6 7 8 9 11 12 17 0.083 12.567 J1102+5941 sess221.H512 1 2 3 4 5 6 7 8 9 11 12 17 3.400 412.695 3C345 sess221.H512 1 2 3 4 5 6 7 8 9 11 12 17 0.167 22.070 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) IRAS10597+59 74.2 4C39.25 62.8 J1102+5941 74.0 3C345 118.1 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg