COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: bw088 M87 movie. Walker, Ly, Junor, Hardee Exp. Code: bw088f 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 ---------------------------------------------------------------------------------------- --- Mon 23 Apr 2007 Day 113 --- 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 01 27 58 OJ287 05 09 02 37.1 79.3 -3.8 -79.9 0 1 1 0 01 27 28 01 31 57 --- 05 13 02 38.0 79.5 -3.7 -80.1 239 F 1 9 01 27 46 02 59 51 OJ287 06 41 10 58.5 83.6 -2.2 -84.6 5227 1 1 9 02 59 21 03 04 50 --- 06 46 10 59.7 83.8 -2.2 -84.9 299 F 1 19 02 59 39 03 29 58 3C274 07 11 21 13.4 81.5 -5.3 -72.3 1409 1 1 19 03 29 28 03 49 54 --- 07 31 21 18.1 83.0 -5.0 -72.9 1197 F 1 59 03 29 46 03 53 23 3C274 07 34 50 18.9 83.3 -4.9 -73.0 201 1 1 59 03 52 53 03 58 22 --- 07 39 50 20.1 83.7 -4.9 -73.2 299 F 1 69 03 53 11 03 58 22 M84 07 39 50 21.6 83.6 -4.8 -73.5 -9 1 1 69 03 58 22 03 59 02 --- 07 40 30 21.7 83.6 -4.7 -73.6 31 F 1 71 03 58 22 03 59 02 3C274 07 40 30 20.2 83.7 -4.8 -73.2 -9 1 1 71 03 59 02 03 59 32 --- 07 41 00 20.4 83.8 -4.8 -73.2 21 F 1 72 03 59 02 03 59 32 M84 07 41 00 21.9 83.7 -4.7 -73.6 -9 1 1 72 03 59 32 04 00 12 --- 07 41 40 22.0 83.7 -4.7 -73.6 31 F 1 73 03 59 32 04 00 12 3C274 07 41 40 20.5 83.8 -4.8 -73.2 -9 1 1 73 04 00 12 04 00 42 --- 07 42 10 20.6 83.8 -4.8 -73.3 21 F 1 74 04 00 12 04 00 42 M84 07 42 10 22.1 83.8 -4.7 -73.6 -9 1 1 74 04 00 42 04 01 21 --- 07 42 50 22.3 83.8 -4.7 -73.6 31 F 1 75 04 00 42 04 01 21 3C274 07 42 50 20.8 83.9 -4.8 -73.3 -9 1 1 75 04 01 21 04 01 51 --- 07 43 20 20.9 83.9 -4.8 -73.3 21 F 1 76 04 01 21 04 01 51 M84 07 43 20 22.4 83.8 -4.7 -73.6 -9 1 1 76 04 01 51 04 02 31 --- 07 44 00 22.6 83.9 -4.7 -73.6 31 F 1 78 04 01 51 04 02 40 3C274 07 44 09 21.1 84.0 -4.8 -73.3 0 1 1 78 04 02 31 04 07 39 --- 07 49 09 22.3 84.4 -4.7 -73.4 299 F 1 87 04 02 31 04 07 45 BLANKSKY 07 49 15 22.3 84.2 -4.7 -73.5 1 1 1 87 04 07 39 04 09 45 --- 07 51 15 22.8 84.4 -4.7 -73.6 120 F 1 92 04 07 39 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 ---------------------------------------------------------------------------------------- --- Mon 23 Apr 2007 Day 113 --- 04 09 50 3C274 07 51 21 22.8 84.5 -4.7 -73.5 1 1 1 92 04 09 45 04 29 47 --- 08 11 21 27.5 86.0 -4.3 -73.9 1197 F 1 130 04 09 45 04 30 31 3C279 08 12 05 15.6 102.3 -4.7 -67.5 14 1 1 130 04 30 01 04 32 31 --- 08 14 05 16.0 102.5 -4.7 -67.4 120 F 1 135 04 30 19 04 33 15 3C274 08 14 49 28.3 86.3 -4.3 -74.0 14 1 1 135 04 32 45 04 53 12 --- 08 34 49 33.0 87.9 -3.9 -74.3 1197 F 1 175 04 33 03 04 53 56 3C279 08 35 34 20.9 104.7 -4.4 -66.2 14 1 1 175 04 53 26 04 55 56 --- 08 37 34 21.4 104.9 -4.3 -66.1 120 F 1 180 04 53 44 04 58 12 OJ287 08 39 50 86.4 84.9 -0.3 -93.8 0 1 1 180 04 57 42 05 02 11 --- 08 43 50 87.3 83.5 -0.2 -95.5 239 F 1 188 04 58 00 05 04 01 3C274 08 45 40 35.5 88.7 -3.8 -74.3 0 1 1 188 05 03 31 05 23 57 --- 09 05 40 40.2 90.4 -3.4 -74.4 1197 F 1 228 05 03 49 05 24 42 3C279 09 06 24 27.9 108.2 -3.8 -63.9 14 1 1 228 05 24 12 05 26 41 --- 09 08 24 28.3 108.5 -3.8 -63.8 120 F 1 233 05 24 30 05 27 26 3C274 09 09 09 41.1 90.7 -3.4 -74.4 13 1 1 233 05 26 56 05 47 23 --- 09 29 09 45.8 92.5 -3.0 -74.2 1197 F 1 272 05 27 14 05 48 07 3C279 09 29 54 33.1 111.3 -3.4 -61.8 13 1 1 272 05 47 37 05 50 07 --- 09 31 54 33.5 111.6 -3.4 -61.6 120 F 1 277 05 47 55 05 50 51 3C274 09 32 38 46.6 92.9 -3.0 -74.1 12 1 1 277 05 50 21 05 55 50 --- 09 37 38 47.8 93.3 -2.9 -74.1 299 F 1 288 05 50 39 05 55 50 M84 09 37 38 49.2 93.2 -2.8 -74.5 -9 1 1 288 05 55 50 05 56 30 --- 09 38 18 49.4 93.3 -2.8 -74.5 31 F 1 289 05 55 50 05 56 30 3C274 09 38 18 47.9 93.4 -2.9 -74.0 -9 1 1 289 05 56 30 05 57 00 --- 09 38 48 48.0 93.5 -2.9 -74.0 21 F 1 290 05 56 30 05 57 00 M84 09 38 48 49.5 93.3 -2.8 -74.5 -9 1 1 290 05 57 00 05 57 40 --- 09 39 28 49.7 93.4 -2.8 -74.4 31 F 1 291 05 57 00 05 57 40 3C274 09 39 28 48.2 93.5 -2.9 -74.0 -9 1 1 291 05 57 40 05 58 10 --- 09 39 58 48.3 93.6 -2.9 -74.0 21 F 1 292 05 57 40 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 ---------------------------------------------------------------------------------------- --- Mon 23 Apr 2007 Day 113 --- 05 58 10 M84 09 39 58 49.8 93.4 -2.8 -74.4 -9 1 1 292 05 58 10 05 58 50 --- 09 40 38 49.9 93.5 -2.7 -74.4 31 F 1 293 05 58 10 05 58 50 3C274 09 40 38 48.5 93.6 -2.8 -74.0 -9 1 1 293 05 58 50 05 59 20 --- 09 41 08 48.6 93.7 -2.8 -74.0 21 F 1 294 05 58 50 05 59 20 M84 09 41 08 50.1 93.6 -2.7 -74.4 -9 1 1 294 05 59 20 06 00 00 --- 09 41 48 50.2 93.6 -2.7 -74.4 31 F 1 296 05 59 20 06 00 09 3C274 09 41 57 48.8 93.8 -2.8 -74.0 0 1 1 296 06 00 00 06 05 08 --- 09 46 57 49.9 94.3 -2.7 -73.8 299 F 1 306 06 00 00 06 05 12 3C274 09 47 02 50.0 94.3 -2.7 -73.8 0 1 1 306 06 05 08 06 25 09 --- 10 07 02 54.6 96.6 -2.4 -73.1 1197 F 1 344 06 05 08 06 25 52 3C279 10 07 45 41.2 117.3 -2.8 -57.2 10 1 1 344 06 25 22 06 27 52 --- 10 09 45 41.6 117.7 -2.8 -56.9 120 F 1 349 06 25 40 06 28 35 3C274 10 10 28 55.4 97.0 -2.3 -72.9 9 1 1 349 06 28 05 06 48 31 --- 10 30 28 60.1 99.8 -2.0 -71.6 1197 F 1 389 06 28 23 06 49 13 3C279 10 31 09 46.0 121.9 -2.4 -53.4 8 1 1 389 06 48 43 06 51 13 --- 10 33 09 46.4 122.3 -2.4 -53.1 120 F 1 394 06 49 01 06 53 15 J1635+3808 10 35 12 12.0 53.5 -6.0 -74.1 47 1 1 394 06 52 45 06 57 14 =1633+38 10 39 12 12.8 53.8 -5.9 -74.7 239 F 1 402 06 53 03 06 59 13 3C274 10 41 11 62.6 101.6 -1.8 -70.7 14 1 1 402 06 58 43 07 19 10 --- 11 01 11 67.2 105.6 -1.5 -68.1 1197 F 1 442 06 59 01 07 19 50 3C279 11 01 51 51.9 129.3 -1.9 -47.0 3 1 1 442 07 19 10 07 21 49 --- 11 03 51 52.2 129.9 -1.9 -46.5 120 F 1 447 07 19 10 07 22 29 3C274 11 04 31 67.9 106.4 -1.4 -67.5 2 1 1 447 07 21 49 07 42 26 --- 11 24 31 72.3 112.4 -1.1 -62.9 1197 F 1 487 07 21 49 07 43 05 3C279 11 25 10 55.9 136.4 -1.5 -40.7 0 1 1 487 07 42 26 07 45 04 --- 11 27 10 56.2 137.1 -1.5 -40.1 120 F 1 492 07 42 26 07 45 44 BLANKSKY 11 27 50 73.1 113.2 -1.1 -62.4 0 1 1 492 07 45 04 07 47 44 --- 11 29 50 73.6 114.0 -1.0 -61.7 120 F 1 497 07 45 04 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 ---------------------------------------------------------------------------------------- --- Mon 23 Apr 2007 Day 113 --- 07 47 49 3C274 11 29 55 73.5 114.6 -1.0 -61.2 0 1 1 497 07 47 44 07 52 49 --- 11 34 55 74.6 116.8 -0.9 -59.3 299 F 1 507 07 47 44 07 52 49 M84 11 34 55 76.0 117.9 -0.8 -58.5 -9 1 1 507 07 52 49 07 53 28 --- 11 35 35 76.2 118.3 -0.8 -58.2 31 F 1 508 07 52 49 07 53 28 3C274 11 35 35 74.7 117.1 -0.9 -59.1 -9 1 1 508 07 53 28 07 53 58 --- 11 36 05 74.8 117.3 -0.9 -58.8 21 F 1 509 07 53 28 07 53 58 M84 11 36 05 76.3 118.6 -0.8 -57.9 -9 1 1 509 07 53 58 07 54 38 --- 11 36 45 76.4 118.9 -0.8 -57.6 31 F 1 510 07 53 58 07 54 38 3C274 11 36 45 75.0 117.6 -0.9 -58.6 -9 1 1 510 07 54 38 07 55 08 --- 11 37 15 75.1 117.9 -0.9 -58.4 21 F 1 511 07 54 38 07 55 08 M84 11 37 15 76.5 119.2 -0.8 -57.4 -9 1 1 511 07 55 08 07 55 48 --- 11 37 55 76.7 119.6 -0.8 -57.0 31 F 1 513 07 55 08 07 55 48 3C274 11 37 55 75.2 118.2 -0.9 -58.1 -9 1 1 513 07 55 48 07 56 18 --- 11 38 25 75.3 118.5 -0.9 -57.8 21 F 1 514 07 55 48 07 56 18 M84 11 38 25 76.8 119.9 -0.8 -56.8 -9 1 1 514 07 56 18 07 56 58 --- 11 39 05 76.9 120.3 -0.8 -56.4 31 F 1 515 07 56 18 07 57 07 3C274 11 39 14 75.5 118.9 -0.9 -57.5 0 1 1 515 07 56 58 08 02 06 --- 11 44 14 76.5 121.7 -0.8 -55.0 299 F 1 525 07 56 58 08 02 10 3C274 11 44 19 76.5 121.7 -0.8 -55.0 0 1 1 525 08 02 06 08 22 07 --- 12 04 19 80.1 138.1 -0.4 -40.1 1197 F 1 564 08 02 06 08 22 51 3C279 12 05 02 61.4 152.4 -0.9 -26.0 0 1 1 564 08 22 21 08 24 50 --- 12 07 02 61.6 153.3 -0.8 -25.1 120 F 1 568 08 22 39 08 25 34 3C274 12 07 47 80.7 142.1 -0.4 -36.3 0 1 1 568 08 25 04 08 45 31 --- 12 27 47 82.5 173.5 -0.1 -6.2 1197 F 1 608 08 25 22 08 46 15 3C279 12 28 31 63.5 164.2 -0.5 -14.9 0 1 1 608 08 45 45 08 48 15 --- 12 30 31 63.6 165.3 -0.4 -13.9 120 F 1 613 08 46 03 08 50 33 J1635+3808 12 32 50 34.9 56.7 -4.0 -91.2 60 1 1 613 08 50 03 08 54 33 =1633+38 12 36 50 35.6 56.7 -4.0 -91.9 239 F 1 622 08 50 21 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 ---------------------------------------------------------------------------------------- --- Mon 23 Apr 2007 Day 113 --- 08 56 49 3C274 12 39 06 82.3 194.5 0.1 14.0 37 1 1 622 08 56 19 09 16 46 --- 12 59 06 80.0 223.0 0.5 41.0 1197 F 1 661 08 56 37 09 17 23 3C279 12 59 44 64.4 181.8 0.1 1.7 0 1 1 661 09 16 46 09 19 23 --- 13 01 44 64.3 183.0 0.1 2.8 120 F 1 666 09 16 46 09 19 59 3C274 13 02 20 79.4 226.2 0.5 44.1 0 1 1 666 09 19 23 09 39 55 --- 13 22 20 75.6 240.6 0.9 57.1 1197 F 1 706 09 19 23 09 40 32 3C279 13 22 57 63.6 194.9 0.4 14.0 0 1 1 706 09 39 55 09 42 32 --- 13 24 57 63.4 195.9 0.5 15.0 120 F 1 711 09 39 55 09 43 09 3C274 13 25 34 75.0 242.3 0.9 58.5 0 1 1 711 09 42 32 09 48 08 --- 13 30 34 73.9 244.6 1.0 60.5 299 F 1 722 09 42 32 09 48 08 M84 13 30 34 72.9 248.5 1.1 63.8 -9 1 1 722 09 48 08 09 48 48 --- 13 31 14 72.8 248.7 1.1 64.0 31 F 1 723 09 48 08 09 48 48 3C274 13 31 14 73.8 244.9 1.0 60.7 -9 1 1 723 09 48 48 09 49 18 --- 13 31 44 73.7 245.1 1.0 60.9 21 F 1 724 09 48 48 09 49 18 M84 13 31 44 72.7 248.9 1.1 64.2 -9 1 1 724 09 49 18 09 49 57 --- 13 32 24 72.5 249.1 1.1 64.4 31 F 1 725 09 49 18 09 49 57 3C274 13 32 24 73.5 245.4 1.0 61.1 -8 1 1 725 09 49 57 09 50 27 --- 13 32 54 73.4 245.6 1.0 61.3 21 F 1 726 09 49 57 09 50 27 M84 13 32 54 72.4 249.3 1.1 64.5 -8 1 1 726 09 50 27 09 51 07 --- 13 33 34 72.3 249.5 1.1 64.7 31 F 1 728 09 50 27 09 51 07 3C274 13 33 34 73.3 245.9 1.0 61.5 -8 1 1 728 09 51 07 09 51 37 --- 13 34 04 73.2 246.1 1.0 61.7 21 F 1 729 09 51 07 09 51 37 M84 13 34 04 72.1 249.7 1.1 64.8 -8 1 1 729 09 51 37 09 52 17 --- 13 34 44 72.0 249.9 1.2 65.0 31 F 1 730 09 51 37 09 52 25 3C274 13 34 52 73.0 246.4 1.1 62.0 0 1 1 730 09 52 17 09 57 25 --- 13 39 52 71.9 248.3 1.1 63.5 299 F 1 740 09 52 17 09 57 29 3C274 13 39 56 71.9 248.3 1.1 63.5 0 1 1 740 09 57 25 10 17 26 --- 13 59 56 67.4 254.1 1.5 67.8 1197 F 1 779 09 57 25 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 ---------------------------------------------------------------------------------------- --- Mon 23 Apr 2007 Day 113 --- 10 17 59 3C279 14 00 30 59.9 213.1 1.1 31.1 0 1 1 779 10 17 26 10 19 59 --- 14 02 30 59.7 214.0 1.1 31.9 120 F 1 783 10 17 26 10 20 32 3C274 14 03 03 66.7 254.8 1.5 68.4 0 1 1 783 10 19 59 10 35 30 --- 14 18 03 63.3 257.9 1.8 70.3 898 F 1 814 10 19 59 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 13.140835 0.00 12 50 01.74793 * 12 33 28.04383 12 30 55.27865 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 14.573968 0.21 0851+202 20 17 58.41741 * 20 06 30.64086 20 04 54.71257 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 27.499613 0.32 * M84 13 09 49.76862 * 12 53 13.13923 12 50 40.29220 0.31 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.222 scan hours, 6.948 baseline hours above horizon. J1230+1223 12 28 17.569279 * 12 30 49.423381 12 31 13.142348 0.31 1228+126 12 40 01.74901 * 12 23 28.04383 12 20 55.25040 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 35.268462 0.20 1253-055 -05 31 07.99586 *-05 47 21.52472 -05 49 54.76539 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 32.475903 0.26 1633+38 38 14 10.08280 * 38 08 04.50057 38 06 50.56654 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 146.4 OJ287 97.9 M84 145.2 3C274 146.5 3C279 162.6 J1635+3808 118.0 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