COVER INFORMATION Station: ONSALA85 (Code On ) Experiment: EVN Astrometry of PSR J1022+1001 Exp. Code: EY010D Schedule Version: 1.00 Processed by SCHED version: 9.40 Release Jan. 13, 2011. PI: Zhen Yan Address: Shanghai Astronomical Observatory NO.80 Nandan Road Shanghai China Phone: 86-13402136110 EMAIL: yanzhen@shao.ac.cn,zshen@shao.ac.cn Fax: 86-21-64281104 Phone during observation: 86-13402136110 Observing mode: Phase-referencing of a source at 18cm (512 Mb/s) Notes: Target source: PSR J1022+1001, s=3mJy(1.4GHz) Phase calibrator source: J1025+1253, s=0.88Jy(S-band) Fringe finder, etc: J0927+3902 (4C39.25), s=4.71Jy(S-band) Fringe finder, etc: J1310+3220 (1308+326), s=2.23Jy(S-band) Schedule for ONSALA85 (Code On ) Page 2 EVN Astrometry of PSR J1022+1001 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 ---------------------------------------------------------------------------------------- --- Thu 24 Feb 2011 Day 55 --- Next scan frequencies: 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 Next BBC frequencies: 134.49 134.49 134.49 134.49 150.49 150.49 150.49 150.49 166.49 166.49 166.49 166.49 182.49 182.49 182.49 182.49 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 18 00 00 J0927+3902 05 04 43 44.6 84.3 -4.4 0.0 0 0 18 00 00 18 07 00 =0923+392 05 11 45 45.5 85.7 -4.3 0.0 420 27 18 00 04 18 12 30 J1025+1253 05 17 15 17.6 93.6 -5.2 0.0 214 27 18 12 30 18 14 30 =1023+131 05 19 16 17.9 94.1 -5.1 0.0 120 35 18 12 34 18 14 30 J1022+1001 05 19 16 15.9 96.3 -5.1 0.0 -21 35 No stop 18 22 45 --- 05 27 32 17.0 98.1 -4.9 0.0 474 67 18 14 34 18 23 30 J1025+1253 05 28 17 19.1 96.0 -5.0 0.0 24 67 18 23 30 18 25 00 =1023+131 05 29 48 19.3 96.3 -4.9 0.0 90 73 18 23 34 18 25 00 J1022+1001 05 29 48 17.3 98.6 -4.9 0.0 -21 73 No stop 18 28 15 --- 05 33 03 17.7 99.3 -4.8 0.0 174 85 18 25 04 18 29 00 J1025+1253 05 33 48 19.8 97.2 -4.9 0.0 24 85 18 29 00 18 30 30 =1023+131 05 35 18 20.0 97.5 -4.9 0.0 90 91 18 29 04 18 30 30 J1022+1001 05 35 18 18.0 99.8 -4.8 0.0 -21 91 No stop 18 33 45 --- 05 38 34 18.4 100.5 -4.8 0.0 174 104 18 30 34 18 33 45 J1025+1253 05 38 34 20.5 98.2 -4.8 0.0 -21 104 No stop 18 35 15 =1023+131 05 40 04 20.7 98.6 -4.8 0.0 69 109 18 33 49 18 35 15 J1022+1001 05 40 04 18.6 100.9 -4.7 0.0 -21 109 No stop 18 38 30 --- 05 43 20 19.1 101.6 -4.7 0.0 174 122 18 35 19 18 39 15 J1025+1253 05 44 05 21.2 99.4 -4.7 0.0 24 122 18 39 15 18 40 45 =1023+131 05 45 35 21.4 99.8 -4.7 0.0 90 128 18 39 19 18 40 45 J1022+1001 05 45 35 19.4 102.1 -4.6 0.0 -21 128 No stop 18 44 00 --- 05 48 51 19.8 102.8 -4.6 0.0 174 140 18 40 49 Schedule for ONSALA85 (Code On ) Page 3 EVN Astrometry of PSR J1022+1001 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 ---------------------------------------------------------------------------------------- --- Thu 24 Feb 2011 Day 55 --- 18 44 00 J1025+1253 05 48 51 21.8 100.5 -4.6 0.0 -21 140 No stop 18 45 30 =1023+131 05 50 21 22.0 100.8 -4.6 0.0 69 146 18 44 04 18 45 30 J1022+1001 05 50 21 20.0 103.1 -4.6 0.0 -21 146 No stop 18 48 45 --- 05 53 36 20.4 103.8 -4.5 0.0 174 159 18 45 34 18 49 30 J1025+1253 05 54 22 22.6 101.7 -4.5 0.0 24 159 18 49 30 18 51 00 =1023+131 05 55 52 22.7 102.0 -4.5 0.0 90 165 18 49 34 18 51 00 J1022+1001 05 55 52 20.7 104.3 -4.5 0.0 -21 165 No stop 18 54 15 --- 05 59 07 21.1 105.1 -4.4 0.0 174 177 18 51 04 18 54 15 J1025+1253 05 59 07 23.2 102.8 -4.5 0.0 -21 177 No stop 18 55 45 =1023+131 06 00 38 23.4 103.1 -4.4 0.0 69 183 18 54 19 18 55 45 J1022+1001 06 00 38 21.3 105.4 -4.4 0.0 -21 183 No stop 18 59 00 --- 06 03 53 21.8 106.1 -4.3 0.0 174 195 18 55 49 18 59 45 J1025+1253 06 04 38 23.9 104.0 -4.4 0.0 24 195 18 59 45 19 01 15 =1023+131 06 06 08 24.1 104.3 -4.3 0.0 90 201 18 59 49 19 01 15 J1022+1001 06 06 08 22.1 106.7 -4.3 0.0 -21 201 No stop 19 04 30 --- 06 09 24 22.5 107.4 -4.2 0.0 174 214 19 01 19 19 04 30 J1025+1253 06 09 24 24.5 105.1 -4.3 0.0 -21 214 No stop 19 06 00 =1023+131 06 10 54 24.7 105.4 -4.3 0.0 69 220 19 04 34 19 06 00 J1022+1001 06 10 54 22.7 107.7 -4.2 0.0 -21 220 No stop 19 09 15 --- 06 14 10 23.1 108.5 -4.2 0.0 174 232 19 06 04 19 10 00 J1025+1253 06 14 55 25.2 106.3 -4.2 0.0 24 232 19 10 00 19 12 00 =1023+131 06 16 55 25.5 106.8 -4.2 0.0 120 240 19 10 04 19 15 55 J0927+3902 06 20 51 54.8 101.0 -3.1 0.0 119 240 19 15 55 19 23 15 =0923+392 06 28 12 55.8 102.8 -3.0 0.0 440 268 19 15 59 19 27 05 J1025+1253 06 32 03 27.4 110.3 -3.9 0.0 114 268 19 27 05 19 29 05 =1023+131 06 34 03 27.7 110.8 -3.9 0.0 120 276 19 27 09 19 29 05 J1022+1001 06 34 03 25.6 113.1 -3.8 0.0 -21 276 No stop 19 32 20 --- 06 37 19 26.0 113.9 -3.8 0.0 174 289 19 29 09 19 33 05 J1025+1253 06 38 04 28.2 111.7 -3.8 0.0 24 289 19 33 05 19 34 35 =1023+131 06 39 34 28.4 112.1 -3.8 0.0 90 294 19 33 09 Schedule for ONSALA85 (Code On ) Page 4 EVN Astrometry of PSR J1022+1001 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 ---------------------------------------------------------------------------------------- --- Thu 24 Feb 2011 Day 55 --- 19 34 35 J1022+1001 06 39 34 26.3 114.4 -3.7 0.0 -21 294 No stop 19 37 50 --- 06 42 49 26.7 115.2 -3.7 0.0 174 307 19 34 39 19 37 50 J1025+1253 06 42 49 28.8 112.8 -3.7 0.0 -21 307 No stop 19 39 20 =1023+131 06 44 20 29.0 113.2 -3.7 0.0 69 313 19 37 54 19 39 20 J1022+1001 06 44 20 26.9 115.5 -3.7 0.0 -21 313 No stop 19 42 35 --- 06 47 35 27.2 116.3 -3.6 0.0 174 325 19 39 24 19 43 20 J1025+1253 06 48 20 29.5 114.2 -3.6 0.0 24 325 19 43 20 19 44 50 =1023+131 06 49 51 29.6 114.5 -3.6 0.0 90 331 19 43 24 19 44 50 J1022+1001 06 49 51 27.5 116.9 -3.6 0.0 -21 331 No stop 19 48 05 --- 06 53 06 27.9 117.7 -3.5 0.0 174 344 19 44 54 19 48 05 J1025+1253 06 53 06 30.0 115.3 -3.6 0.0 -21 344 No stop 19 49 35 =1023+131 06 54 36 30.2 115.7 -3.5 0.0 69 350 19 48 09 19 49 35 J1022+1001 06 54 36 28.1 118.0 -3.5 0.0 -21 350 No stop 19 52 50 --- 06 57 52 28.5 118.8 -3.4 0.0 174 362 19 49 39 19 53 35 J1025+1253 06 58 37 30.7 116.7 -3.5 0.0 24 362 19 53 35 19 55 05 =1023+131 07 00 07 30.9 117.1 -3.4 0.0 90 368 19 53 39 19 55 05 J1022+1001 07 00 07 28.7 119.4 -3.4 0.0 -21 368 No stop 19 58 20 --- 07 03 23 29.1 120.2 -3.3 0.0 174 381 19 55 09 19 58 20 J1025+1253 07 03 23 31.3 117.9 -3.4 0.0 -21 381 No stop 19 59 50 =1023+131 07 04 53 31.5 118.2 -3.4 0.0 69 386 19 58 24 19 59 50 J1022+1001 07 04 53 29.3 120.6 -3.3 0.0 -21 386 No stop 20 03 05 --- 07 08 09 29.7 121.4 -3.3 0.0 174 399 19 59 54 20 03 50 J1025+1253 07 08 54 31.9 119.2 -3.3 0.0 24 399 20 03 50 20 05 20 =1023+131 07 10 24 32.1 119.6 -3.3 0.0 90 405 20 03 54 20 05 20 J1022+1001 07 10 24 29.9 122.0 -3.2 0.0 -21 405 No stop 20 08 35 --- 07 13 40 30.3 122.8 -3.2 0.0 174 417 20 05 24 20 08 35 J1025+1253 07 13 40 32.5 120.4 -3.2 0.0 -21 417 No stop 20 10 05 =1023+131 07 15 10 32.7 120.8 -3.2 0.0 69 423 20 08 39 20 10 05 J1022+1001 07 15 10 30.5 123.2 -3.1 0.0 -21 423 No stop 20 13 20 --- 07 18 25 30.8 124.0 -3.1 0.0 174 436 20 10 09 Schedule for ONSALA85 (Code On ) Page 5 EVN Astrometry of PSR J1022+1001 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 ---------------------------------------------------------------------------------------- --- Thu 24 Feb 2011 Day 55 --- 20 14 05 J1025+1253 07 19 10 33.1 121.9 -3.1 0.0 24 436 20 14 05 20 15 35 =1023+131 07 20 41 33.3 122.2 -3.1 0.0 90 442 20 14 09 20 15 35 J1022+1001 07 20 41 31.1 124.6 -3.0 0.0 -21 442 No stop 20 18 50 --- 07 23 56 31.4 125.4 -3.0 0.0 174 454 20 15 39 20 18 50 J1025+1253 07 23 56 33.7 123.1 -3.0 0.0 -21 454 No stop 20 20 20 =1023+131 07 25 26 33.8 123.5 -3.0 0.0 69 460 20 18 54 20 20 20 J1022+1001 07 25 26 31.6 125.8 -3.0 0.0 -21 460 No stop 20 23 35 --- 07 28 42 32.0 126.6 -2.9 0.0 174 473 20 20 24 20 24 20 J1025+1253 07 29 27 34.3 124.5 -3.0 0.0 24 473 20 24 20 20 25 50 =1023+131 07 30 57 34.5 124.9 -2.9 0.0 90 478 20 24 24 20 25 50 J1022+1001 07 30 57 32.2 127.2 -2.9 0.0 -21 478 No stop 20 29 05 --- 07 34 13 32.6 128.1 -2.8 0.0 174 491 20 25 54 20 29 05 J1025+1253 07 34 13 34.8 125.8 -2.9 0.0 -21 491 No stop 20 30 35 =1023+131 07 35 43 35.0 126.2 -2.8 0.0 69 497 20 29 09 20 30 35 J1022+1001 07 35 43 32.7 128.5 -2.8 0.0 -21 497 No stop 20 33 50 --- 07 38 59 33.1 129.3 -2.7 0.0 174 509 20 30 39 20 34 35 J1025+1253 07 39 44 35.4 127.3 -2.8 0.0 24 509 20 34 35 20 36 05 =1023+131 07 41 14 35.6 127.7 -2.8 0.0 90 515 20 34 39 20 36 05 J1022+1001 07 41 14 33.3 129.9 -2.7 0.0 -21 515 No stop 20 39 20 --- 07 44 30 33.6 130.8 -2.7 0.0 174 528 20 36 09 20 39 20 J1025+1253 07 44 30 35.9 128.5 -2.7 0.0 -21 528 No stop 20 40 50 =1023+131 07 46 00 36.1 129.0 -2.7 0.0 69 534 20 39 24 20 40 50 J1022+1001 07 46 00 33.8 131.2 -2.6 0.0 -21 534 No stop 20 44 05 --- 07 49 15 34.1 132.1 -2.6 0.0 174 546 20 40 54 20 44 50 J1025+1253 07 50 00 36.5 130.0 -2.6 0.0 24 546 20 44 50 20 46 20 =1023+131 07 51 31 36.6 130.5 -2.6 0.0 90 552 20 44 54 20 46 20 J1022+1001 07 51 31 34.3 132.7 -2.5 0.0 -21 552 No stop 20 49 35 --- 07 54 46 34.7 133.6 -2.5 0.0 174 564 20 46 24 20 49 35 J1025+1253 07 54 46 37.0 131.4 -2.5 0.0 -21 564 No stop 20 51 05 =1023+131 07 56 17 37.1 131.8 -2.5 0.0 69 570 20 49 39 Schedule for ONSALA85 (Code On ) Page 6 EVN Astrometry of PSR J1022+1001 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 ---------------------------------------------------------------------------------------- --- Thu 24 Feb 2011 Day 55 --- 20 51 05 J1022+1001 07 56 17 34.8 134.0 -2.5 0.0 -21 570 No stop 20 54 20 --- 07 59 32 35.1 134.9 -2.4 0.0 174 583 20 51 09 20 55 05 J1025+1253 08 00 17 37.5 132.9 -2.4 0.0 24 583 20 55 05 20 56 35 =1023+131 08 01 47 37.7 133.3 -2.4 0.0 90 589 20 55 09 20 56 35 J1022+1001 08 01 47 35.3 135.6 -2.4 0.0 -21 589 No stop 20 59 50 --- 08 05 03 35.6 136.5 -2.3 0.0 174 601 20 56 39 20 59 50 J1025+1253 08 05 03 38.0 134.2 -2.4 0.0 -21 601 No stop 21 01 20 =1023+131 08 06 33 38.1 134.7 -2.3 0.0 69 607 20 59 54 21 01 20 J1022+1001 08 06 33 35.8 136.9 -2.3 0.0 -21 607 No stop 21 04 35 --- 08 09 49 36.1 137.8 -2.2 0.0 174 620 21 01 24 21 05 20 J1025+1253 08 10 34 38.5 135.8 -2.3 0.0 24 620 21 05 20 21 06 50 =1023+131 08 12 04 38.7 136.3 -2.2 0.0 90 625 21 05 24 21 06 50 J1022+1001 08 12 04 36.3 138.5 -2.2 0.0 -21 625 No stop 21 10 05 --- 08 15 20 36.6 139.4 -2.1 0.0 174 638 21 06 54 21 10 05 J1025+1253 08 15 20 39.0 137.2 -2.2 0.0 -21 638 No stop 21 11 35 =1023+131 08 16 50 39.1 137.6 -2.2 0.0 69 644 21 10 09 21 11 35 J1022+1001 08 16 50 36.7 139.8 -2.1 0.0 -21 644 No stop 21 14 50 --- 08 20 05 37.0 140.8 -2.1 0.0 174 656 21 11 39 21 15 35 J1025+1253 08 20 51 39.5 138.8 -2.1 0.0 24 656 21 15 35 21 17 05 =1023+131 08 22 21 39.6 139.3 -2.1 0.0 90 662 21 15 39 21 17 05 J1022+1001 08 22 21 37.2 141.4 -2.0 0.0 -21 662 No stop 21 20 20 --- 08 25 36 37.4 142.4 -2.0 0.0 174 675 21 17 09 21 20 20 J1025+1253 08 25 36 39.9 140.2 -2.0 0.0 -21 675 No stop 21 21 50 =1023+131 08 27 07 40.0 140.7 -2.0 0.0 69 681 21 20 24 21 21 50 J1022+1001 08 27 07 37.6 142.8 -1.9 0.0 -21 681 No stop 21 25 05 --- 08 30 22 37.8 143.8 -1.9 0.0 174 693 21 21 54 21 25 50 J1025+1253 08 31 07 40.3 141.9 -1.9 0.0 24 693 21 25 50 21 27 20 =1023+131 08 32 37 40.5 142.3 -1.9 0.0 90 699 21 25 54 21 27 20 J1022+1001 08 32 37 38.0 144.4 -1.8 0.0 -21 699 No stop 21 30 35 --- 08 35 53 38.2 145.4 -1.8 0.0 174 712 21 27 24 Schedule for ONSALA85 (Code On ) Page 7 EVN Astrometry of PSR J1022+1001 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 ---------------------------------------------------------------------------------------- --- Thu 24 Feb 2011 Day 55 --- 21 30 35 J1025+1253 08 35 53 40.7 143.3 -1.8 0.0 -21 712 No stop 21 32 05 =1023+131 08 37 23 40.8 143.8 -1.8 0.0 69 717 21 30 39 21 32 05 J1022+1001 08 37 23 38.4 145.8 -1.8 0.0 -21 717 No stop 21 35 20 --- 08 40 39 38.6 146.8 -1.7 0.0 174 730 21 32 09 21 36 05 J1025+1253 08 41 24 41.2 145.0 -1.8 0.0 24 730 21 36 05 21 37 35 =1023+131 08 42 54 41.3 145.5 -1.7 0.0 90 736 21 36 09 21 37 35 J1022+1001 08 42 54 38.8 147.5 -1.7 0.0 -21 736 No stop 21 40 50 --- 08 46 10 39.0 148.5 -1.6 0.0 174 748 21 37 39 21 40 50 J1025+1253 08 46 10 41.5 146.5 -1.7 0.0 -21 748 No stop 21 42 20 =1023+131 08 47 40 41.6 146.9 -1.6 0.0 69 754 21 40 54 21 42 20 J1022+1001 08 47 40 39.1 148.9 -1.6 0.0 -21 754 No stop 21 45 35 --- 08 50 55 39.3 149.9 -1.5 0.0 174 767 21 42 24 21 46 20 J1025+1253 08 51 41 41.9 148.2 -1.6 0.0 24 767 21 46 20 21 48 20 =1023+131 08 53 41 42.1 148.8 -1.5 0.0 120 774 21 46 24 21 53 05 J1310+3220 08 58 27 41.0 92.6 -4.2 0.0 138 774 21 53 05 22 00 00 =1308+326 09 05 23 41.9 94.1 -4.1 0.0 415 801 21 53 09 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: eyan.18cm Matching groups in /psr/soft/sched9.4/catalogs/freq.dat: on21cm1 Values from E-mail J.Conway (CR 21Oct02) Setup group: 4 Station: ONSALA85 Total bit rate: 512 Format: MKIV1:2 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= 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 Net SB= L L U U L L U U L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 2 1 4 3 4 3 6 5 6 5 8 7 8 7 BBC SB= L L U U L L U U L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 4 Setup file default. LO sum= 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 BBC fr= 134.49 134.49 134.49 134.49 150.49 150.49 150.49 150.49 166.49 166.49 166.49 166.49 182.49 182.49 182.49 182.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off SOURCES USED IN RECORDING SCANS -- EVN Astrometry of PSR J1022+1001 Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J1022+1001 10 20 19.263127 * 10 22 57.995628 10 23 35.816347 0.00 10 17 03.79035 * 10 01 52.61483 09 58 14.74628 0.00 From catalog imbedded in main SCHED input file. 2.087 scan and 101.976 baseline hours in setup: eyan.18cm * J0927+3902 09 23 55.319214 * 09 27 03.013935 09 27 47.749853 0.26 0923+392 39 15 23.56647 * 39 02 20.85187 38 59 16.13565 0.40 4C39.25 From catalog imbedded in main SCHED input file. J0927+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 0.239 scan and 13.139 baseline hours in setup: eyan.18cm * J1025+1253 10 23 16.285228 * 10 25 56.285369 10 26 34.405706 0.31 1023+131 13 09 05.49493 * 12 53 49.02205 12 50 09.91298 0.21 From catalog imbedded in main SCHED input file. VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 1.008 scan and 46.419 baseline hours in setup: eyan.18cm * J1310+3220 13 08 07.560131 * 13 10 28.663850 13 11 02.203249 0.24 1308+326 32 36 40.23883 * 32 20 43.78290 32 16 50.31523 0.40 J1310+32 From catalog imbedded in main SCHED input file. VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 0.115 scan and 6.340 baseline hours in setup: eyan.18cm 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) J1022+1001 178.2 J0927+3902 147.2 J1025+1253 176.4 J1310+3220 136.5 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