COVER INFORMATION Station: GBT_VLBA (Code Gb ) Experiment: VLBI mapping of M15 Exp. Code: GV020G Schedule Version: 1.00 Processed by SCHED version: 10.00 Release Sept. 15, 2011 PI: W.H.T. Vlemmings Address: Argelander Institute for Astronomy Auf dem Huegel 71 Bonn Germany Phone: +49 (0)228 733670 EMAIL: wouter@astro.uni-bonn.de Fax: +49 (0)228 731775 Phone during observation: +49 (0)228 733670 Observing mode: Phase-referencing of a source at 18cm (1 Gb/s) Notes: Global VLBI incl. GBT(at 512 Gb/s) and Arecibo Single Westerbork antenna (Wb1) PCAL off Schedule for GBT_VLBA (Code Gb ) Page 2 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 689.51 689.51 689.51 689.51 657.51 657.51 657.51 657.51 625.51 625.51 625.51 625.51 593.51 593.51 593.51 593.51 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 18 00 00 J2139+1423 15 39 07 8.8 78.5 -6.0 -52.4 0 0 18 00 00 18 04 00 =2136+141 15 43 07 9.6 79.1 -5.9 -52.6 240 15 18 00 01 18 04 00 M15 15 43 07 10.0 82.3 -5.8 -52.6 -36 15 No stop 18 07 30 --- 15 46 38 10.7 82.8 -5.7 -52.7 174 29 18 04 01 18 08 20 J2139+1423 15 47 28 10.4 79.8 -5.9 -52.8 14 29 18 08 20 18 09 20 =2136+141 15 48 28 10.6 79.9 -5.9 -52.8 60 33 18 08 21 18 09 20 M15 15 48 28 11.0 83.1 -5.7 -52.7 -36 33 No stop 18 12 50 --- 15 51 59 11.7 83.6 -5.6 -52.8 174 46 18 09 21 18 12 50 J2139+1423 15 51 59 11.3 80.4 -5.8 -52.9 -36 46 No stop 18 14 00 =2136+141 15 53 09 11.5 80.6 -5.8 -52.9 34 51 18 12 51 18 14 00 M15 15 53 09 11.9 83.8 -5.6 -52.8 -36 51 No stop 18 17 30 --- 15 56 40 12.6 84.3 -5.6 -52.9 174 65 18 14 01 18 18 20 J2139+1423 15 57 30 12.4 81.3 -5.7 -53.1 14 65 18 18 20 18 19 20 =2136+141 15 58 30 12.6 81.4 -5.7 -53.1 60 68 18 18 21 18 19 20 M15 15 58 30 13.0 84.6 -5.5 -52.9 -36 68 No stop 18 22 50 --- 16 02 00 13.7 85.1 -5.5 -53.0 174 82 18 19 21 18 22 50 J2139+1423 16 02 00 13.2 81.9 -5.6 -53.2 -36 82 No stop 18 24 00 =2136+141 16 03 11 13.5 82.1 -5.6 -53.2 34 86 18 22 51 18 24 00 M15 16 03 11 13.9 85.3 -5.5 -53.0 -36 86 No stop 18 27 30 --- 16 06 41 14.6 85.8 -5.4 -53.1 174 100 18 24 01 18 28 20 J2139+1423 16 07 31 14.3 82.7 -5.5 -53.4 14 100 18 28 20 18 29 20 =2136+141 16 08 31 14.5 82.9 -5.5 -53.4 60 104 18 28 21 Schedule for GBT_VLBA (Code Gb ) Page 3 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- 18 29 20 M15 16 08 31 14.9 86.1 -5.4 -53.1 -36 104 No stop 18 32 50 --- 16 12 02 15.6 86.6 -5.3 -53.1 174 117 18 29 21 18 32 50 J2139+1423 16 12 02 15.2 83.4 -5.5 -53.5 -36 117 No stop 18 34 00 =2136+141 16 13 12 15.4 83.6 -5.4 -53.5 34 122 18 32 51 18 34 00 M15 16 13 12 15.9 86.8 -5.3 -53.2 -36 122 No stop 18 37 30 --- 16 16 43 16.5 87.3 -5.2 -53.2 174 135 18 34 01 18 38 20 J2139+1423 16 17 33 16.3 84.2 -5.4 -53.6 14 135 18 38 20 18 39 20 =2136+141 16 18 33 16.5 84.4 -5.4 -53.6 60 139 18 38 21 18 39 20 M15 16 18 33 16.9 87.6 -5.2 -53.2 -36 139 No stop 18 42 50 --- 16 22 04 17.6 88.2 -5.1 -53.2 174 153 18 39 21 18 42 50 J2139+1423 16 22 04 17.1 84.9 -5.3 -53.7 -36 153 No stop 18 44 00 =2136+141 16 23 14 17.4 85.1 -5.3 -53.7 34 157 18 42 51 18 44 00 M15 16 23 14 17.8 88.3 -5.1 -53.2 -36 157 No stop 18 47 30 --- 16 26 44 18.5 88.9 -5.1 -53.3 174 171 18 44 01 18 48 20 J2139+1423 16 27 35 18.2 85.7 -5.2 -53.8 14 171 18 48 20 18 49 20 =2136+141 16 28 35 18.4 85.9 -5.2 -53.8 60 175 18 48 21 18 49 20 M15 16 28 35 18.9 89.2 -5.0 -53.3 -36 175 No stop 18 52 50 --- 16 32 05 19.6 89.7 -5.0 -53.3 174 188 18 49 21 18 52 50 J2139+1423 16 32 05 19.1 86.4 -5.1 -53.8 -36 188 No stop 18 54 00 =2136+141 16 33 16 19.3 86.6 -5.1 -53.9 34 193 18 52 51 18 54 00 M15 16 33 16 19.8 89.9 -5.0 -53.3 -36 193 No stop 18 57 30 --- 16 36 46 20.5 90.4 -4.9 -53.3 174 206 18 54 01 18 58 20 J2139+1423 16 37 36 20.2 87.3 -5.0 -53.9 14 206 18 58 20 18 59 20 =2136+141 16 38 36 20.4 87.4 -5.0 -53.9 60 210 18 58 21 18 59 20 M15 16 38 36 20.8 90.7 -4.9 -53.3 -36 210 No stop 19 02 50 --- 16 42 07 21.5 91.3 -4.8 -53.3 174 224 18 59 21 19 02 50 J2139+1423 16 42 07 21.1 88.0 -5.0 -53.9 -36 224 No stop 19 04 00 =2136+141 16 43 17 21.3 88.1 -4.9 -53.9 34 228 19 02 51 19 04 00 M15 16 43 17 21.7 91.5 -4.8 -53.2 -36 228 No stop 19 07 30 --- 16 46 48 22.4 92.0 -4.7 -53.2 174 242 19 04 01 Schedule for GBT_VLBA (Code Gb ) Page 4 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- 19 08 20 J2139+1423 16 47 38 22.1 88.8 -4.9 -54.0 14 242 19 08 20 19 09 20 =2136+141 16 48 38 22.3 89.0 -4.8 -54.0 60 246 19 08 21 19 09 20 M15 16 48 38 22.8 92.3 -4.7 -53.2 -36 246 No stop 19 12 50 --- 16 52 09 23.5 92.9 -4.6 -53.2 174 259 19 09 21 19 12 50 J2139+1423 16 52 09 23.0 89.5 -4.8 -54.0 -36 259 No stop 19 14 00 =2136+141 16 53 19 23.3 89.7 -4.8 -54.0 34 264 19 12 51 19 14 00 M15 16 53 19 23.7 93.1 -4.6 -53.2 -37 264 No stop 19 17 30 --- 16 56 49 24.4 93.6 -4.6 -53.1 173 277 19 14 01 19 18 20 J2139+1423 16 57 40 24.1 90.3 -4.7 -54.0 14 277 19 18 20 19 19 20 =2136+141 16 58 40 24.3 90.5 -4.7 -54.0 60 281 19 18 21 19 19 20 M15 16 58 40 24.8 93.9 -4.5 -53.1 -37 281 No stop 19 22 50 --- 17 02 10 25.4 94.5 -4.5 -53.0 173 295 19 19 21 19 22 50 J2139+1423 17 02 10 25.0 91.1 -4.6 -54.0 -36 295 No stop 19 24 00 =2136+141 17 03 20 25.2 91.2 -4.6 -54.0 34 299 19 22 51 19 24 00 M15 17 03 20 25.7 94.7 -4.5 -53.0 -37 299 No stop 19 27 30 --- 17 06 51 26.4 95.2 -4.4 -53.0 173 313 19 24 01 19 28 20 J2139+1423 17 07 41 26.1 91.9 -4.5 -53.9 13 313 19 28 20 19 29 20 =2136+141 17 08 41 26.3 92.1 -4.5 -53.9 60 317 19 28 21 19 29 20 M15 17 08 41 26.7 95.5 -4.4 -52.9 -37 317 No stop 19 32 50 --- 17 12 12 27.4 96.1 -4.3 -52.8 173 330 19 29 21 19 32 50 J2139+1423 17 12 12 27.0 92.6 -4.5 -53.9 -37 330 No stop 19 34 00 =2136+141 17 13 22 27.2 92.8 -4.4 -53.9 33 335 19 32 51 19 36 00 3C454.3 17 15 22 14.0 80.2 -5.7 -53.5 49 335 19 36 00 19 46 00 --- 17 25 24 15.9 81.7 -5.5 -53.8 600 374 19 36 01 19 48 00 J2139+1423 17 27 24 29.9 95.1 -4.2 -53.7 48 374 19 48 00 19 50 00 =2136+141 17 29 25 30.3 95.5 -4.2 -53.6 120 381 19 48 01 19 50 00 M15 17 29 25 30.7 99.1 -4.0 -52.3 -37 381 No stop 19 53 30 --- 17 32 55 31.4 99.7 -4.0 -52.2 173 395 19 50 01 19 54 20 J2139+1423 17 33 45 31.2 96.2 -4.1 -53.5 13 395 19 54 20 19 55 20 =2136+141 17 34 46 31.4 96.3 -4.1 -53.5 60 399 19 54 21 Schedule for GBT_VLBA (Code Gb ) Page 5 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- 19 55 20 M15 17 34 46 31.8 100.0 -3.9 -52.1 -37 399 No stop 19 58 50 --- 17 38 16 32.4 100.6 -3.9 -52.0 173 412 19 55 21 19 58 50 J2139+1423 17 38 16 32.0 96.9 -4.0 -53.4 -37 412 No stop 20 00 00 =2136+141 17 39 26 32.3 97.1 -4.0 -53.4 33 417 19 58 51 20 00 00 M15 17 39 26 32.7 100.8 -3.9 -51.9 -37 417 No stop 20 03 30 --- 17 42 57 33.3 101.5 -3.8 -51.8 173 430 20 00 01 20 04 20 J2139+1423 17 43 47 33.1 97.9 -3.9 -53.3 13 430 20 04 20 20 05 20 =2136+141 17 44 47 33.3 98.1 -3.9 -53.2 60 434 20 04 21 20 05 20 M15 17 44 47 33.7 101.8 -3.8 -51.7 -37 434 No stop 20 08 50 --- 17 48 18 34.4 102.4 -3.7 -51.5 173 448 20 05 21 20 08 50 J2139+1423 17 48 18 34.0 98.7 -3.9 -53.1 -37 448 No stop 20 10 00 =2136+141 17 49 28 34.2 98.9 -3.8 -53.1 33 452 20 08 51 20 10 00 M15 17 49 28 34.6 102.6 -3.7 -51.5 -37 452 No stop 20 13 30 --- 17 52 59 35.3 103.3 -3.6 -51.3 173 466 20 10 01 20 14 20 J2139+1423 17 53 49 35.1 99.6 -3.8 -52.9 13 466 20 14 20 20 15 20 =2136+141 17 54 49 35.2 99.8 -3.7 -52.9 60 470 20 14 21 20 15 20 M15 17 54 49 35.6 103.6 -3.6 -51.2 -38 470 No stop 20 18 50 --- 17 58 19 36.3 104.3 -3.5 -51.0 172 483 20 15 21 20 18 50 J2139+1423 17 58 19 35.9 100.5 -3.7 -52.7 -37 483 No stop 20 20 00 =2136+141 17 59 30 36.2 100.7 -3.7 -52.6 33 488 20 18 51 20 20 00 M15 17 59 30 36.5 104.5 -3.5 -50.9 -38 488 No stop 20 23 30 --- 18 03 00 37.2 105.2 -3.5 -50.7 172 501 20 20 01 20 24 20 J2139+1423 18 03 50 37.0 101.5 -3.6 -52.4 12 501 20 24 20 20 25 20 =2136+141 18 04 51 37.2 101.7 -3.6 -52.4 60 505 20 24 21 20 25 20 M15 18 04 51 37.5 105.6 -3.4 -50.5 -38 505 No stop 20 28 50 --- 18 08 21 38.2 106.3 -3.4 -50.3 172 519 20 25 21 20 28 50 J2139+1423 18 08 21 37.9 102.3 -3.5 -52.2 -38 519 No stop 20 30 00 =2136+141 18 09 31 38.1 102.5 -3.5 -52.2 32 523 20 28 51 20 30 00 M15 18 09 31 38.4 106.5 -3.4 -50.2 -38 523 No stop 20 33 30 --- 18 13 02 39.1 107.2 -3.3 -50.0 172 537 20 30 01 Schedule for GBT_VLBA (Code Gb ) Page 6 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- 20 34 20 J2139+1423 18 13 52 38.9 103.4 -3.4 -51.9 12 537 20 34 20 20 35 20 =2136+141 18 14 52 39.1 103.5 -3.4 -51.9 60 541 20 34 21 20 35 20 M15 18 14 52 39.4 107.6 -3.3 -49.8 -38 541 No stop 20 38 50 --- 18 18 23 40.0 108.3 -3.2 -49.6 172 554 20 35 21 20 38 50 J2139+1423 18 18 23 39.8 104.2 -3.4 -51.6 -38 554 No stop 20 40 00 =2136+141 18 19 33 40.0 104.5 -3.3 -51.6 32 559 20 38 51 20 40 00 M15 18 19 33 40.3 108.5 -3.2 -49.5 -38 559 No stop 20 43 30 --- 18 23 04 40.9 109.3 -3.1 -49.2 172 572 20 40 01 20 44 20 J2139+1423 18 23 54 40.8 105.3 -3.3 -51.3 12 572 20 44 20 20 45 20 =2136+141 18 24 54 41.0 105.5 -3.2 -51.2 60 576 20 44 21 20 45 20 M15 18 24 54 41.3 109.7 -3.1 -49.0 -38 576 No stop 20 48 50 --- 18 28 24 41.9 110.4 -3.0 -48.7 172 590 20 45 21 20 48 50 J2139+1423 18 28 24 41.7 106.2 -3.2 -51.0 -38 590 No stop 20 50 00 =2136+141 18 29 35 41.9 106.5 -3.2 -50.9 32 594 20 48 51 20 50 00 M15 18 29 35 42.1 110.7 -3.0 -48.6 -38 594 No stop 20 53 30 --- 18 33 05 42.8 111.4 -3.0 -48.2 172 608 20 50 01 20 54 20 J2139+1423 18 33 55 42.7 107.4 -3.1 -50.5 12 608 20 54 20 20 55 20 =2136+141 18 34 55 42.9 107.6 -3.1 -50.5 60 612 20 54 21 20 55 20 M15 18 34 55 43.1 111.9 -2.9 -48.1 -39 612 No stop 20 58 50 --- 18 38 26 43.7 112.6 -2.9 -47.7 171 625 20 55 21 20 58 50 J2139+1423 18 38 26 43.5 108.3 -3.0 -50.2 -38 625 No stop 21 00 00 =2136+141 18 39 36 43.7 108.6 -3.0 -50.1 32 630 20 58 51 21 00 00 M15 18 39 36 43.9 112.9 -2.8 -47.6 -39 630 No stop 21 03 30 --- 18 43 07 44.6 113.7 -2.8 -47.2 171 643 21 00 01 21 04 20 J2139+1423 18 43 57 44.6 109.5 -2.9 -49.7 11 643 21 04 20 21 05 20 =2136+141 18 44 57 44.7 109.7 -2.9 -49.6 60 647 21 04 21 21 05 20 M15 18 44 57 44.9 114.2 -2.8 -47.0 -39 647 No stop 21 08 50 --- 18 48 28 45.5 115.0 -2.7 -46.6 171 661 21 05 21 21 08 50 J2139+1423 18 48 28 45.4 110.5 -2.9 -49.3 -39 661 No stop 21 10 00 =2136+141 18 49 38 45.6 110.8 -2.8 -49.1 31 665 21 08 51 Schedule for GBT_VLBA (Code Gb ) Page 7 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- 21 10 00 M15 18 49 38 45.7 115.3 -2.7 -46.5 -39 665 No stop 21 13 30 --- 18 53 08 46.4 116.1 -2.6 -46.0 171 679 21 10 01 21 14 20 J2139+1423 18 53 59 46.4 111.8 -2.8 -48.7 11 679 21 14 20 21 15 20 =2136+141 18 54 59 46.6 112.0 -2.7 -48.6 60 683 21 14 21 21 15 20 M15 18 54 59 46.7 116.6 -2.6 -45.8 -39 683 No stop 21 18 50 --- 18 58 29 47.3 117.5 -2.5 -45.3 171 696 21 15 21 21 18 50 J2139+1423 18 58 29 47.2 112.8 -2.7 -48.2 -39 696 No stop 21 20 00 =2136+141 18 59 40 47.4 113.1 -2.7 -48.1 31 701 21 18 51 21 20 00 M15 18 59 40 47.5 117.8 -2.5 -45.2 -39 701 No stop 21 23 30 --- 19 03 10 48.1 118.7 -2.5 -44.7 171 714 21 20 01 21 24 20 J2139+1423 19 04 00 48.2 114.2 -2.6 -47.6 11 714 21 24 20 21 25 20 =2136+141 19 05 00 48.4 114.4 -2.6 -47.4 60 718 21 24 21 21 25 20 M15 19 05 00 48.4 119.1 -2.4 -44.4 -40 718 No stop 21 28 50 --- 19 08 31 49.0 120.1 -2.4 -43.9 170 732 21 25 21 21 28 50 J2139+1423 19 08 31 49.0 115.3 -2.5 -47.0 -39 732 No stop 21 30 00 =2136+141 19 09 41 49.2 115.6 -2.5 -46.9 31 736 21 28 51 21 30 00 M15 19 09 41 49.2 120.4 -2.3 -43.7 -40 736 No stop 21 33 30 --- 19 13 12 49.8 121.3 -2.3 -43.2 170 750 21 30 01 21 34 20 J2139+1423 19 14 02 50.0 116.7 -2.4 -46.3 10 750 21 34 20 21 35 20 =2136+141 19 15 02 50.1 117.0 -2.4 -46.1 60 754 21 34 21 21 35 20 M15 19 15 02 50.1 121.9 -2.3 -42.9 -40 754 No stop 21 38 50 --- 19 18 33 50.7 122.8 -2.2 -42.3 170 767 21 35 21 21 38 50 J2139+1423 19 18 33 50.8 117.9 -2.4 -45.6 -40 767 No stop 21 40 00 =2136+141 19 19 43 51.0 118.2 -2.3 -45.5 30 772 21 38 51 21 40 00 M15 19 19 43 50.9 123.2 -2.2 -42.1 -40 772 No stop 21 43 30 --- 19 23 13 51.4 124.2 -2.1 -41.5 170 785 21 40 01 21 44 20 J2139+1423 19 24 04 51.7 119.4 -2.3 -44.8 10 785 21 44 20 21 45 20 =2136+141 19 25 04 51.9 119.7 -2.2 -44.7 60 789 21 44 21 21 45 20 M15 19 25 04 51.7 124.7 -2.1 -41.2 -40 789 No stop 21 48 50 --- 19 28 34 52.3 125.8 -2.0 -40.6 170 803 21 45 21 Schedule for GBT_VLBA (Code Gb ) Page 8 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- 21 48 50 J2139+1423 19 28 34 52.5 120.7 -2.2 -44.1 -40 803 No stop 21 50 00 =2136+141 19 29 44 52.7 121.0 -2.2 -43.9 30 807 21 48 51 21 50 00 M15 19 29 44 52.5 126.1 -2.0 -40.3 -40 807 No stop 21 53 30 --- 19 33 15 53.0 127.2 -2.0 -39.7 170 821 21 50 01 21 54 20 J2139+1423 19 34 05 53.4 122.3 -2.1 -43.2 10 821 21 54 20 21 55 20 =2136+141 19 35 05 53.6 122.6 -2.1 -43.0 60 824 21 54 21 21 55 20 M15 19 35 05 53.3 127.8 -1.9 -39.3 -41 824 No stop 21 58 50 --- 19 38 36 53.9 128.9 -1.9 -38.6 169 838 21 55 21 21 58 50 J2139+1423 19 38 36 54.1 123.6 -2.0 -42.3 -40 838 No stop 22 00 00 =2136+141 19 39 46 54.3 124.0 -2.0 -42.1 30 843 21 58 51 22 00 00 M15 19 39 46 54.0 129.3 -1.8 -38.3 -41 843 No stop 22 03 30 --- 19 43 17 54.6 130.5 -1.8 -37.6 169 856 22 00 01 22 04 20 J2139+1423 19 44 07 55.0 125.3 -1.9 -41.3 9 856 22 04 20 22 05 20 =2136+141 19 45 07 55.2 125.7 -1.9 -41.1 60 860 22 04 21 22 05 20 M15 19 45 07 54.8 131.1 -1.8 -37.2 -41 860 No stop 22 08 50 --- 19 48 38 55.4 132.3 -1.7 -36.4 169 873 22 05 21 22 08 50 J2139+1423 19 48 38 55.7 126.8 -1.8 -40.4 -41 873 No stop 22 10 00 =2136+141 19 49 48 55.9 127.2 -1.8 -40.1 29 878 22 08 51 22 10 00 M15 19 49 48 55.5 132.7 -1.7 -36.1 -41 878 No stop 22 13 30 --- 19 53 18 56.0 133.9 -1.6 -35.3 169 892 22 10 01 22 14 20 J2139+1423 19 54 08 56.6 128.6 -1.8 -39.2 9 892 22 14 20 22 15 20 =2136+141 19 55 09 56.7 129.0 -1.7 -39.0 60 895 22 14 21 22 15 20 M15 19 55 09 56.3 134.6 -1.6 -34.8 -41 895 No stop 22 18 50 --- 19 58 39 56.8 135.9 -1.5 -33.9 169 909 22 15 21 22 18 50 J2139+1423 19 58 39 57.3 130.2 -1.7 -38.2 -41 909 No stop 22 20 00 =2136+141 19 59 49 57.4 130.6 -1.7 -37.9 29 913 22 18 51 22 20 00 M15 19 59 49 56.9 136.3 -1.5 -33.6 -42 913 No stop 22 23 30 --- 20 03 20 57.4 137.6 -1.5 -32.7 168 927 22 20 01 22 24 20 J2139+1423 20 04 10 58.1 132.2 -1.6 -36.8 9 927 22 24 20 22 25 20 =2136+141 20 05 10 58.2 132.6 -1.6 -36.6 60 931 22 24 21 Schedule for GBT_VLBA (Code Gb ) Page 9 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- 22 25 20 M15 20 05 10 57.6 138.3 -1.4 -32.2 -42 931 No stop 22 28 50 --- 20 08 41 58.1 139.7 -1.4 -31.2 168 944 22 25 21 22 28 50 J2139+1423 20 08 41 58.7 133.9 -1.5 -35.7 -41 944 No stop 22 30 30 =2136+141 20 10 21 59.0 134.5 -1.5 -35.2 59 951 22 28 51 22 30 30 M15 20 10 21 58.3 140.4 -1.3 -30.7 -42 951 No stop 22 34 00 --- 20 13 52 58.7 141.8 -1.3 -29.7 168 964 22 30 31 22 34 50 J2139+1423 20 14 42 59.6 136.2 -1.4 -34.1 8 964 22 34 50 22 35 50 =2136+141 20 15 42 59.7 136.6 -1.4 -33.8 60 968 22 34 51 22 35 50 M15 20 15 42 58.9 142.6 -1.2 -29.2 -42 968 No stop 22 39 20 --- 20 19 13 59.4 144.0 -1.2 -28.1 168 982 22 35 51 22 39 20 J2139+1423 20 19 13 60.2 138.0 -1.3 -32.8 -42 982 No stop 22 41 00 =2136+141 20 20 53 60.4 138.7 -1.3 -32.3 58 988 22 39 21 22 41 00 M15 20 20 53 59.6 144.7 -1.2 -27.6 -42 988 No stop 22 44 30 --- 20 24 23 59.9 146.3 -1.1 -26.4 168 1002 22 41 01 22 45 20 J2139+1423 20 25 14 60.9 140.5 -1.2 -30.9 8 1002 22 45 20 22 46 20 =2136+141 20 26 14 61.1 141.0 -1.2 -30.6 60 1006 22 45 21 22 46 20 M15 20 26 14 60.1 147.1 -1.1 -25.8 -42 1006 No stop 22 49 50 --- 20 29 44 60.5 148.6 -1.0 -24.7 168 1019 22 46 21 22 49 50 J2139+1423 20 29 44 61.5 142.5 -1.2 -29.5 -42 1019 No stop 22 51 30 =2136+141 20 31 25 61.7 143.2 -1.1 -29.0 58 1026 22 49 51 22 51 30 M15 20 31 25 60.7 149.4 -1.0 -24.1 -42 1026 No stop 22 55 00 --- 20 34 55 61.0 151.0 -0.9 -22.9 168 1039 22 51 31 22 55 50 J2139+1423 20 35 45 62.2 145.2 -1.1 -27.5 8 1039 22 55 50 22 56 50 =2136+141 20 36 45 62.3 145.7 -1.0 -27.1 60 1043 22 55 51 22 56 50 M15 20 36 45 61.2 151.9 -0.9 -22.2 -43 1043 No stop 23 00 20 --- 20 40 16 61.5 153.5 -0.8 -20.9 167 1057 22 56 51 23 00 20 J2139+1423 20 40 16 62.7 147.3 -1.0 -25.9 -42 1057 No stop 23 02 00 =2136+141 20 41 56 62.8 148.1 -1.0 -25.3 58 1063 23 00 21 23 02 00 M15 20 41 56 61.6 154.3 -0.8 -20.3 -43 1063 No stop 23 05 30 --- 20 45 27 61.9 156.0 -0.8 -19.0 167 1077 23 02 01 Schedule for GBT_VLBA (Code Gb ) Page 10 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- 23 06 20 J2139+1423 20 46 17 63.3 150.2 -0.9 -23.7 8 1077 23 06 20 23 07 20 =2136+141 20 47 17 63.4 150.7 -0.9 -23.3 60 1081 23 06 21 23 07 20 M15 20 47 17 62.1 156.9 -0.7 -18.3 -43 1081 No stop 23 10 50 --- 20 50 48 62.3 158.7 -0.7 -16.9 167 1094 23 07 21 23 10 50 J2139+1423 20 50 48 63.7 152.5 -0.8 -22.0 -42 1094 No stop 23 12 30 =2136+141 20 52 28 63.9 153.3 -0.8 -21.3 58 1101 23 10 51 23 12 30 M15 20 52 28 62.5 159.5 -0.6 -16.3 -43 1101 No stop 23 16 00 --- 20 55 59 62.7 161.3 -0.6 -14.9 167 1114 23 12 31 23 16 50 J2139+1423 20 56 49 64.2 155.6 -0.7 -19.5 8 1114 23 16 50 23 17 50 =2136+141 20 57 49 64.3 156.1 -0.7 -19.1 60 1118 23 16 51 23 17 50 M15 20 57 49 62.8 162.3 -0.5 -14.1 -43 1118 No stop 23 21 20 --- 21 01 19 63.0 164.1 -0.5 -12.7 167 1132 23 17 51 23 21 20 J2139+1423 21 01 19 64.6 158.0 -0.6 -17.7 -42 1132 No stop 23 23 00 =2136+141 21 03 00 64.7 158.9 -0.6 -16.9 58 1138 23 21 21 23 23 00 M15 21 03 00 63.1 165.0 -0.5 -12.0 -42 1138 No stop 23 26 30 --- 21 06 30 63.2 166.8 -0.4 -10.5 168 1152 23 23 01 23 27 20 J2139+1423 21 07 20 65.0 161.3 -0.5 -15.1 8 1152 23 27 20 23 28 20 =2136+141 21 08 21 65.0 161.8 -0.5 -14.6 60 1155 23 27 21 23 28 20 M15 21 08 21 63.3 167.8 -0.4 -9.7 -42 1155 No stop 23 31 50 --- 21 11 51 63.5 169.7 -0.3 -8.2 168 1169 23 28 21 23 31 50 J2139+1423 21 11 51 65.2 163.8 -0.5 -13.1 -41 1169 No stop 23 33 30 =2136+141 21 13 31 65.3 164.7 -0.4 -12.3 59 1175 23 31 51 23 33 30 M15 21 13 31 63.5 170.6 -0.3 -7.5 -42 1175 No stop 23 37 00 --- 21 17 02 63.6 172.5 -0.2 -6.0 168 1189 23 33 31 23 37 50 J2139+1423 21 17 52 65.5 167.2 -0.4 -10.3 9 1189 23 37 50 23 39 20 =2136+141 21 19 22 65.6 168.1 -0.3 -9.6 90 1195 23 37 51 23 39 20 M15 21 19 22 63.7 173.8 -0.2 -4.9 -42 1195 No stop 23 43 20 --- 21 23 23 63.7 176.0 -0.1 -3.2 198 1210 23 39 21 23 44 20 J2139+1423 21 24 23 65.8 171.0 -0.3 -7.3 19 1210 23 44 20 23 45 30 =2136+141 21 25 33 65.8 171.7 -0.2 -6.7 70 1215 23 44 21 Schedule for GBT_VLBA (Code Gb ) Page 11 VLBI mapping of M15 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 ---------------------------------------------------------------------------------------- --- Sat 5 Nov 2011 Day 309 --- 23 47 00 3C454.3 21 27 04 60.6 133.1 -1.5 -36.5 -6 1215 23 47 00 23 59 59 --- 21 40 06 62.4 138.5 -1.2 -32.7 773 1265 23 47 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: gv020.18cm Matching groups in /Users/wouter/bin/Sched/catalogs/freq.dat: gbt18cm LO1=4.550, LO2=12.75, LO3=10.5 Setup group: 7 Station: GBT_VLBA Total bit rate: 512 Format: VLBA1:4 Bits per sample: 1 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 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 = 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= U U L L U U L L U U L L U U L L IF = A C A C A C A C A C A C A C A C The following frequency sets based on these setups were used. Frequency Set: 7 Setup file default. Used pcal sets: 2 LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 689.51 689.51 689.51 689.51 657.51 657.51 657.51 657.51 625.51 625.51 625.51 625.51 593.51 593.51 593.51 593.51 Bandwd= 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 Matching frequency sets: 7 The following pulse cal sets were used with this setup: Pulse cal detection set: 2 PCAL = OFF PCALXB1= S1 S3 S5 S7 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 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 -- VLBI mapping of M15 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) * M15 21 27 33.315207 * 21 29 58.350000 21 30 33.757960 0.00 11 56 49.77559 * 12 10 01.50000 12 13 26.07267 0.00 From catalog imbedded in main SCHED input file. 3.742 scan and 74.441 baseline hours in setup: gv020.18cm Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 * J2139+1423 21 36 37.412147 * 21 39 01.309269 21 39 36.504826 0.00 2136+141 14 10 00.62105 * 14 23 35.99220 14 27 06.85726 0.01 J2139+14 /Users/wouter/bin/Sched/catalogs/sources.vlba GSFC 2010a astro solution 47149 Observations 1.322 scan and 20.311 baseline hours in setup: gv020.18cm Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 J2253+1608 22 51 29.519738 * 22 53 57.747937 22 54 34.451983 0.76 * 3C454.3 15 52 54.34811 * 16 08 53.56094 16 12 58.32202 0.74 2251+158 /Users/wouter/bin/Sched/catalogs/sources.vlba J2253+16 GSFC 2010a astro solution 39550 Observations 0.383 scan and 9.032 baseline hours in setup: gv020.18cm Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 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) M15 104.7 J2139+1423 107.3 3C454.3 125.4 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