COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: bw088 M87 movie. Walker, Ly, Junor, Hardee Exp. Code: bw088b Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: R.C. Walker Address: NRAO, P.O. Box O Socorro, NM 87801 USA Phone: +1-505-835-7247 (w) / +1-505-835-3972 (h) EMAIL: cwalker@nrao.edu Fax: +1-505-835-7027 Phone during observation: +1-505-835-7247 (w) / +1-505-835-3972 (h) Observing mode: VLBA Notes: COVER LETTER: This 18 session project is designed to provide a movie of jet component motions near the black hole in M87. Here is the key information from the time allocation email: PROPOSAL STATUS ( 01/10/2007 ): Approved for dynamic scheduling, high priority CURRENT TIME ALLOCATION: 18 times 10.0 hrs dynamically scheduled centered at LST 12.5 with 256 Mbits/sec recording Note request for 32 output spectral channels per baseband. ------------------------------------------------------------------------- Schedule for VLBA_MK (Code Mk ) Page 2 bw088 M87 movie. Walker, Ly, Junor, Hardee UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sat 17 Feb 2007 Day 48 --- Next scan frequencies: 43119.49 43119.49 43135.49 43135.49 Next BBC frequencies: 719.49 719.49 735.49 735.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 05 43 32 OJ287 05 09 02 37.1 79.3 -3.8 -79.9 0 1 1 0 05 43 02 05 47 31 --- 05 13 02 38.0 79.5 -3.7 -80.1 239 F 1 9 05 43 20 07 15 25 OJ287 06 41 10 58.5 83.6 -2.2 -84.6 5227 1 1 9 07 14 55 07 20 24 --- 06 46 10 59.7 83.9 -2.2 -84.9 299 F 1 19 07 15 13 07 45 32 3C274 07 11 21 13.5 81.5 -5.3 -72.3 1409 1 1 19 07 45 02 08 05 28 --- 07 31 21 18.1 83.0 -5.0 -72.9 1197 F 1 59 07 45 20 08 08 57 3C274 07 34 50 18.9 83.3 -4.9 -73.0 201 1 1 59 08 08 27 08 13 56 --- 07 39 50 20.1 83.7 -4.9 -73.2 299 F 1 69 08 08 45 08 13 56 M84 07 39 50 21.6 83.6 -4.8 -73.5 -9 1 1 69 08 13 56 08 14 36 --- 07 40 30 21.7 83.6 -4.7 -73.6 31 F 1 71 08 13 56 08 14 36 3C274 07 40 30 20.3 83.7 -4.8 -73.2 -9 1 1 71 08 14 36 08 15 06 --- 07 41 00 20.4 83.8 -4.8 -73.2 21 F 1 72 08 14 36 08 15 06 M84 07 41 00 21.9 83.7 -4.7 -73.6 -9 1 1 72 08 15 06 08 15 46 --- 07 41 40 22.0 83.7 -4.7 -73.6 31 F 1 73 08 15 06 08 15 46 3C274 07 41 40 20.5 83.8 -4.8 -73.2 -9 1 1 73 08 15 46 08 16 16 --- 07 42 10 20.6 83.8 -4.8 -73.3 21 F 1 74 08 15 46 08 16 16 M84 07 42 10 22.1 83.8 -4.7 -73.6 -9 1 1 74 08 16 16 08 16 56 --- 07 42 50 22.3 83.8 -4.7 -73.6 31 F 1 75 08 16 16 08 16 56 3C274 07 42 50 20.8 83.9 -4.8 -73.3 -9 1 1 75 08 16 56 08 17 25 --- 07 43 20 20.9 83.9 -4.8 -73.3 21 F 1 76 08 16 56 08 17 25 M84 07 43 20 22.4 83.8 -4.7 -73.6 -9 1 1 76 08 17 25 08 18 05 --- 07 44 00 22.6 83.9 -4.7 -73.6 31 F 1 78 08 17 25 08 18 14 3C274 07 44 09 21.1 84.0 -4.8 -73.3 0 1 1 78 08 18 05 08 23 13 --- 07 49 09 22.3 84.4 -4.7 -73.4 299 F 1 87 08 18 05 08 23 19 BLANKSKY 07 49 15 22.3 84.2 -4.7 -73.5 1 1 1 87 08 23 13 08 25 19 --- 07 51 15 22.8 84.4 -4.7 -73.6 120 F 1 92 08 23 13 Schedule for VLBA_MK (Code Mk ) Page 3 bw088 M87 movie. Walker, Ly, Junor, Hardee UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sat 17 Feb 2007 Day 48 --- 08 25 24 3C274 07 51 21 22.8 84.5 -4.7 -73.5 1 1 1 92 08 25 19 08 45 21 --- 08 11 21 27.5 86.0 -4.3 -73.9 1197 F 1 130 08 25 19 08 46 05 3C279 08 12 05 15.6 102.3 -4.7 -67.5 14 1 1 130 08 45 35 08 48 05 --- 08 14 05 16.0 102.5 -4.7 -67.4 120 F 1 135 08 45 53 08 48 49 3C274 08 14 49 28.3 86.3 -4.3 -74.0 14 1 1 135 08 48 19 09 08 46 --- 08 34 49 33.0 87.9 -3.9 -74.3 1197 F 1 175 08 48 37 09 09 30 3C279 08 35 34 20.9 104.7 -4.4 -66.2 14 1 1 175 09 09 00 09 11 30 --- 08 37 34 21.4 104.9 -4.3 -66.1 120 F 1 180 09 09 18 09 13 46 OJ287 08 39 50 86.4 84.9 -0.3 -93.8 0 1 1 180 09 13 16 09 17 45 --- 08 43 50 87.3 83.6 -0.2 -95.5 239 F 1 188 09 13 34 09 19 35 3C274 08 45 40 35.5 88.7 -3.8 -74.3 0 1 1 188 09 19 05 09 39 31 --- 09 05 40 40.2 90.4 -3.4 -74.4 1197 F 1 228 09 19 23 09 40 16 3C279 09 06 24 27.9 108.2 -3.8 -63.9 14 1 1 228 09 39 46 09 42 15 --- 09 08 24 28.3 108.5 -3.8 -63.8 120 F 1 233 09 40 04 09 43 00 3C274 09 09 09 41.1 90.7 -3.4 -74.4 13 1 1 233 09 42 30 10 02 57 --- 09 29 09 45.8 92.5 -3.0 -74.2 1197 F 1 272 09 42 48 10 03 41 3C279 09 29 53 33.1 111.3 -3.4 -61.8 13 1 1 272 10 03 11 10 05 41 --- 09 31 53 33.5 111.6 -3.4 -61.6 120 F 1 277 10 03 29 10 06 25 3C274 09 32 38 46.6 92.9 -3.0 -74.1 12 1 1 277 10 05 55 10 11 24 --- 09 37 38 47.8 93.3 -2.9 -74.1 299 F 1 288 10 06 13 10 11 24 M84 09 37 38 49.2 93.2 -2.8 -74.5 -9 1 1 288 10 11 24 10 12 04 --- 09 38 18 49.4 93.3 -2.8 -74.5 31 F 1 289 10 11 24 10 12 04 3C274 09 38 18 47.9 93.4 -2.9 -74.0 -9 1 1 289 10 12 04 10 12 34 --- 09 38 48 48.0 93.5 -2.9 -74.0 21 F 1 290 10 12 04 10 12 34 M84 09 38 48 49.5 93.3 -2.8 -74.5 -9 1 1 290 10 12 34 10 13 14 --- 09 39 28 49.7 93.4 -2.8 -74.4 31 F 1 291 10 12 34 10 13 14 3C274 09 39 28 48.2 93.5 -2.9 -74.0 -9 1 1 291 10 13 14 10 13 44 --- 09 39 58 48.3 93.6 -2.9 -74.0 21 F 1 292 10 13 14 Schedule for VLBA_MK (Code Mk ) Page 4 bw088 M87 movie. Walker, Ly, Junor, Hardee UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sat 17 Feb 2007 Day 48 --- 10 13 44 M84 09 39 58 49.8 93.4 -2.8 -74.4 -9 1 1 292 10 13 44 10 14 24 --- 09 40 38 49.9 93.5 -2.7 -74.4 31 F 1 293 10 13 44 10 14 24 3C274 09 40 38 48.5 93.6 -2.8 -74.0 -9 1 1 293 10 14 24 10 14 54 --- 09 41 08 48.6 93.7 -2.8 -74.0 21 F 1 294 10 14 24 10 14 54 M84 09 41 08 50.1 93.6 -2.7 -74.4 -9 1 1 294 10 14 54 10 15 34 --- 09 41 48 50.2 93.6 -2.7 -74.4 31 F 1 296 10 14 54 10 15 43 3C274 09 41 57 48.8 93.8 -2.8 -74.0 0 1 1 296 10 15 34 10 20 42 --- 09 46 57 49.9 94.3 -2.7 -73.8 299 F 1 306 10 15 34 10 20 46 3C274 09 47 01 50.0 94.3 -2.7 -73.8 0 1 1 306 10 20 42 10 40 43 --- 10 07 01 54.6 96.6 -2.4 -73.1 1197 F 1 344 10 20 42 10 41 26 3C279 10 07 44 41.2 117.3 -2.8 -57.2 10 1 1 344 10 40 56 10 43 26 --- 10 09 44 41.6 117.7 -2.8 -56.9 120 F 1 349 10 41 14 10 44 09 3C274 10 10 27 55.4 97.0 -2.3 -72.9 9 1 1 349 10 43 39 11 04 05 --- 10 30 27 60.1 99.8 -2.0 -71.6 1197 F 1 389 10 43 57 11 04 47 3C279 10 31 09 46.0 121.9 -2.4 -53.4 8 1 1 389 11 04 17 11 06 47 --- 10 33 09 46.4 122.3 -2.4 -53.1 120 F 1 394 11 04 35 11 08 49 J1635+3808 10 35 12 12.0 53.6 -6.0 -74.1 47 1 1 394 11 08 19 11 12 48 =1633+38 10 39 12 12.8 53.8 -5.9 -74.7 239 F 1 402 11 08 37 11 14 47 3C274 10 41 11 62.6 101.6 -1.8 -70.7 14 1 1 402 11 14 17 11 34 44 --- 11 01 11 67.2 105.6 -1.5 -68.1 1197 F 1 442 11 14 35 11 35 24 3C279 11 01 51 51.9 129.3 -1.9 -47.0 3 1 1 442 11 34 44 11 37 23 --- 11 03 51 52.2 129.9 -1.9 -46.5 120 F 1 447 11 34 44 11 38 03 3C274 11 04 31 67.9 106.4 -1.4 -67.5 2 1 1 447 11 37 23 11 58 00 --- 11 24 31 72.3 112.4 -1.1 -62.9 1197 F 1 487 11 37 23 11 58 38 3C279 11 25 10 55.9 136.4 -1.5 -40.7 0 1 1 487 11 58 00 12 00 38 --- 11 27 10 56.2 137.1 -1.5 -40.1 120 F 1 492 11 58 00 12 01 18 BLANKSKY 11 27 50 73.1 113.2 -1.1 -62.4 0 1 1 492 12 00 38 12 03 18 --- 11 29 50 73.6 114.0 -1.0 -61.7 120 F 1 497 12 00 38 Schedule for VLBA_MK (Code Mk ) Page 5 bw088 M87 movie. Walker, Ly, Junor, Hardee UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sat 17 Feb 2007 Day 48 --- 12 03 23 3C274 11 29 55 73.5 114.6 -1.0 -61.2 0 1 1 497 12 03 18 12 08 23 --- 11 34 55 74.6 116.8 -0.9 -59.3 299 F 1 507 12 03 18 12 08 23 M84 11 34 55 76.0 118.0 -0.8 -58.5 -9 1 1 507 12 08 23 12 09 02 --- 11 35 35 76.2 118.3 -0.8 -58.2 31 F 1 508 12 08 23 12 09 02 3C274 11 35 35 74.7 117.1 -0.9 -59.0 -9 1 1 508 12 09 02 12 09 32 --- 11 36 05 74.8 117.3 -0.9 -58.8 21 F 1 509 12 09 02 12 09 32 M84 11 36 05 76.3 118.6 -0.8 -57.9 -9 1 1 509 12 09 32 12 10 12 --- 11 36 45 76.4 118.9 -0.8 -57.6 31 F 1 510 12 09 32 12 10 12 3C274 11 36 45 75.0 117.6 -0.9 -58.6 -9 1 1 510 12 10 12 12 10 42 --- 11 37 15 75.1 117.9 -0.9 -58.4 21 F 1 511 12 10 12 12 10 42 M84 11 37 15 76.5 119.2 -0.8 -57.4 -9 1 1 511 12 10 42 12 11 22 --- 11 37 55 76.7 119.6 -0.8 -57.0 31 F 1 513 12 10 42 12 11 22 3C274 11 37 55 75.2 118.2 -0.9 -58.1 -9 1 1 513 12 11 22 12 11 52 --- 11 38 25 75.3 118.5 -0.9 -57.8 21 F 1 514 12 11 22 12 11 52 M84 11 38 25 76.8 119.9 -0.8 -56.8 -9 1 1 514 12 11 52 12 12 32 --- 11 39 05 76.9 120.3 -0.8 -56.4 31 F 1 515 12 11 52 12 12 41 3C274 11 39 14 75.5 118.9 -0.9 -57.5 0 1 1 515 12 12 32 12 17 40 --- 11 44 14 76.5 121.7 -0.8 -55.0 299 F 1 525 12 12 32 12 17 44 3C274 11 44 19 76.5 121.7 -0.8 -55.0 0 1 1 525 12 17 40 12 37 41 --- 12 04 19 80.1 138.1 -0.4 -40.0 1197 F 1 564 12 17 40 12 38 25 3C279 12 05 02 61.4 152.4 -0.9 -26.0 0 1 1 564 12 37 55 12 40 24 --- 12 07 02 61.6 153.3 -0.8 -25.1 120 F 1 568 12 38 13 12 41 08 3C274 12 07 46 80.7 142.1 -0.4 -36.3 0 1 1 568 12 40 38 13 01 05 --- 12 27 46 82.5 173.6 -0.1 -6.2 1197 F 1 608 12 40 56 13 01 49 3C279 12 28 31 63.5 164.2 -0.5 -14.9 0 1 1 608 13 01 19 13 03 49 --- 12 30 31 63.6 165.3 -0.4 -13.9 120 F 1 613 13 01 37 13 06 07 J1635+3808 12 32 49 34.9 56.7 -4.0 -91.3 60 1 1 613 13 05 37 13 10 06 =1633+38 12 36 49 35.7 56.7 -4.0 -91.9 239 F 1 622 13 05 55 Schedule for VLBA_MK (Code Mk ) Page 6 bw088 M87 movie. Walker, Ly, Junor, Hardee UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sat 17 Feb 2007 Day 48 --- 13 12 23 3C274 12 39 06 82.3 194.6 0.1 14.0 37 1 1 622 13 11 53 13 32 20 --- 12 59 06 80.0 223.0 0.5 41.0 1197 F 1 661 13 12 11 13 32 57 3C279 12 59 43 64.4 181.8 0.1 1.7 0 1 1 661 13 32 20 13 34 56 --- 13 01 43 64.3 183.0 0.1 2.8 120 F 1 666 13 32 20 13 35 33 3C274 13 02 20 79.4 226.2 0.5 44.1 0 1 1 666 13 34 56 13 55 29 --- 13 22 20 75.6 240.6 0.9 57.1 1197 F 1 706 13 34 56 13 56 06 3C279 13 22 56 63.6 194.9 0.4 14.0 0 1 1 706 13 55 29 13 58 06 --- 13 24 56 63.4 195.9 0.5 15.1 120 F 1 711 13 55 29 13 58 43 3C274 13 25 33 75.0 242.3 0.9 58.5 0 1 1 711 13 58 06 14 03 42 --- 13 30 33 73.9 244.6 1.0 60.5 299 F 1 722 13 58 06 14 03 42 M84 13 30 33 72.9 248.5 1.1 63.8 -9 1 1 722 14 03 42 14 04 22 --- 13 31 13 72.8 248.7 1.1 64.0 31 F 1 723 14 03 42 14 04 22 3C274 13 31 13 73.8 244.9 1.0 60.7 -9 1 1 723 14 04 22 14 04 52 --- 13 31 43 73.7 245.1 1.0 60.9 21 F 1 724 14 04 22 14 04 52 M84 13 31 43 72.7 248.9 1.1 64.2 -9 1 1 724 14 04 52 14 05 31 --- 13 32 23 72.5 249.1 1.1 64.4 31 F 1 725 14 04 52 14 05 31 3C274 13 32 23 73.5 245.4 1.0 61.1 -8 1 1 725 14 05 31 14 06 01 --- 13 32 53 73.4 245.6 1.0 61.3 21 F 1 726 14 05 31 14 06 01 M84 13 32 53 72.4 249.3 1.1 64.5 -8 1 1 726 14 06 01 14 06 41 --- 13 33 33 72.3 249.5 1.1 64.7 31 F 1 728 14 06 01 14 06 41 3C274 13 33 33 73.3 245.9 1.0 61.5 -8 1 1 728 14 06 41 14 07 11 --- 13 34 03 73.2 246.1 1.0 61.7 21 F 1 729 14 06 41 14 07 11 M84 13 34 03 72.1 249.7 1.1 64.8 -8 1 1 729 14 07 11 14 07 51 --- 13 34 43 72.0 249.9 1.2 65.0 31 F 1 730 14 07 11 14 07 59 3C274 13 34 52 73.0 246.4 1.1 62.0 0 1 1 730 14 07 51 14 12 59 --- 13 39 52 71.9 248.3 1.1 63.5 299 F 1 740 14 07 51 14 13 03 3C274 13 39 56 71.9 248.3 1.1 63.5 0 1 1 740 14 12 59 14 33 00 --- 13 59 56 67.4 254.1 1.5 67.8 1197 F 1 779 14 12 59 Schedule for VLBA_MK (Code Mk ) Page 7 bw088 M87 movie. Walker, Ly, Junor, Hardee UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sat 17 Feb 2007 Day 48 --- 14 33 33 3C279 14 00 30 59.9 213.1 1.1 31.1 0 1 1 779 14 33 00 14 35 33 --- 14 02 30 59.7 214.0 1.1 31.9 120 F 1 783 14 33 00 14 36 06 3C274 14 03 03 66.7 254.8 1.5 68.4 0 1 1 783 14 35 33 14 51 03 --- 14 18 03 63.3 257.9 1.8 70.3 898 F 1 814 14 35 33 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bw088.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 10 Station: VLBA_MK Total bit rate: 256 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Speedup factor: 1.00 Disk used to record data. 1st LO= 42400.00 42400.00 42400.00 42400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = A C A C VLBA FE= 7mm omit 7mm omit VLBA Synth= 15.4 7.6 11.6 The following frequency sets based on this setup were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 LO sum= 43119.49 43119.49 43135.49 43135.49 BBC fr= 719.49 719.49 735.49 735.49 Bandwd= 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 510 510 13510 13510 0 0 0 0 PCALFR2= 510 510 13510 13510 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off SOURCE LIST -- bw088 M87 movie. Walker, Ly, Junor, Hardee 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) * BLANKSKY 12 28 17.595540 * 12 30 49.423381 12 31 12.492057 0.00 12 50 01.74793 * 12 33 28.04383 12 30 53.49680 0.00 From catalog imbedded in main SCHED input file. Blank sky 10 arcmin from M87 0.066 scan hours, 2.992 baseline hours above horizon. J0854+2006 08 51 57.250618 * 08 54 48.874930 08 55 15.185434 0.21 0851+202 20 17 58.41741 * 20 06 30.64086 20 04 51.80220 0.40 J0854+20 /home/filehost/cwalker/sched/catalogs/sources.vlba * OJ287 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.216 scan hours, 9.125 baseline hours above horizon. J1225+1253 12 22 31.582015 * 12 25 03.743331 12 25 26.887007 0.32 * M84 13 09 49.76862 * 12 53 13.13923 12 50 38.39110 0.31 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.222 scan hours, 6.949 baseline hours above horizon. J1230+1223 12 28 17.569279 * 12 30 49.423381 12 31 12.493553 0.31 1228+126 12 40 01.74901 * 12 23 28.04383 12 20 53.53003 0.20 * 3C274 /home/filehost/cwalker/sched/catalogs/sources.vlba J1230+12 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 7.853 scan hours, 300.162 baseline hours above horizon. J1256-0547 12 53 35.831291 * 12 56 11.166559 12 56 34.447013 0.20 1253-055 -05 31 07.99586 *-05 47 21.52472 -05 49 49.79438 0.30 * 3C279 /home/filehost/cwalker/sched/catalogs/sources.vlba J1256-05 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.665 scan hours, 22.771 baseline hours above horizon. * J1635+3808 16 33 30.625096 * 16 35 15.492971 16 35 30.441357 0.26 1633+38 38 14 10.08280 * 38 08 04.50057 38 06 46.42394 0.40 1633+382 /home/filehost/cwalker/sched/catalogs/sources.vlba J1635+38 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.133 scan hours, 5.984 baseline hours above horizon. 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) BLANKSKY 143.6 OJ287 162.1 M84 145.0 3C274 143.6 3C279 133.1 J1635+3808 91.0 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