COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: VLBA/VLTI/Keck Observations of AGB Stars Exp. Code: BC168C Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: W. D. Cotton Address: NRAO 520 Edgemont Road Charlottesville, VA 22903 Phone: (434) 2960319 EMAIL: bcotton@nrao.edu Fax: (434) 2960278 Phone during observation: (434) 2968266 Observing mode: Notes: BE SURE PULSE CAL IS OFF ON PROGRAM SOURCES. To be run around 1 October 2007 Schedule for VLBA_BR (Code Br ) Page 2 VLBA/VLTI/Keck Observations of AGB Stars 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 ---------------------------------------------------------------------------------------- --- Sun 24 Feb 2008 Day 55 --- Next scan frequencies: 43122.78 43122.78 42821.32 42821.32 Next BBC frequencies: 922.78 922.78 621.32 621.32 Next scan bandwidths: 4.00 4.00 4.00 4.00 09 57 49 J1613+3412 12 13 45 43.9 84.6 -4.0 -53.4 0 1 1 0 09 57 49 10 01 49 --- 12 17 45 44.6 85.3 -3.9 -53.5 239 F 1 2 09 58 12 10 02 49 S_SER 12 18 45 39.4 115.9 -3.1 -38.3 33 1 1 2 10 02 49 10 19 46 --- 12 35 45 41.9 120.3 -2.8 -36.5 1017 F 1 10 10 03 12 Next scan frequencies: 43131.74 43131.74 42830.22 42830.22 Next BBC frequencies: 931.74 931.74 630.22 630.22 10 21 45 J1751+0939 12 37 45 14.8 92.0 -5.2 -42.6 60 1 1 10 10 21 45 10 25 45 --- 12 41 45 15.5 92.8 -5.2 -42.5 239 F 1 12 10 22 08 10 26 45 RT_OPH 12 42 45 15.9 90.9 -5.2 -42.9 53 1 1 12 10 26 45 10 43 42 --- 12 59 45 18.8 94.2 -5.0 -42.7 1017 F 1 20 10 27 08 Next scan frequencies: 43122.78 43122.78 42821.32 42821.32 Next BBC frequencies: 922.78 922.78 621.32 621.32 10 45 41 J1613+3412 13 01 45 51.9 93.4 -3.2 -53.6 47 1 1 20 10 45 41 10 49 41 --- 13 05 45 52.6 94.2 -3.1 -53.6 239 F 1 22 10 46 04 10 50 41 S_SER 13 06 45 46.1 128.9 -2.3 -32.4 31 1 1 22 10 50 41 11 07 38 --- 13 23 45 48.3 134.1 -2.0 -29.7 1017 F 1 30 10 51 04 Next scan frequencies: 43130.30 43121.96 42820.50 42820.50 Next BBC frequencies: 930.30 921.96 620.50 620.50 11 09 38 J1743-0350 13 25 45 13.6 111.9 -4.3 -38.4 44 1 1 30 11 09 38 11 13 37 --- 13 29 45 14.2 112.7 -4.2 -38.1 239 F 1 32 11 10 01 11 14 37 T_OPH 13 30 45 13.8 134.8 -3.1 -29.6 39 1 1 32 11 14 37 11 31 34 --- 13 47 45 15.8 138.5 -2.8 -27.4 1017 F 1 41 11 15 00 Next scan frequencies: 43131.74 43131.74 42830.22 42830.22 Next BBC frequencies: 931.74 931.74 630.22 630.22 11 33 34 J1751+0939 13 49 45 26.6 106.2 -4.0 -40.6 92 1 1 41 11 33 34 11 37 33 --- 13 53 45 27.3 107.0 -4.0 -40.3 239 F 1 42 11 33 57 Schedule for VLBA_BR (Code Br ) Page 3 VLBA/VLTI/Keck Observations of AGB Stars 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 ---------------------------------------------------------------------------------------- --- Sun 24 Feb 2008 Day 55 --- 11 38 33 RT_OPH 13 54 45 27.8 105.1 -4.0 -41.1 53 1 1 42 11 38 33 11 55 30 --- 14 11 45 30.5 108.7 -3.8 -40.1 1017 F 1 51 11 38 56 Next scan frequencies: 43128.70 43128.70 42827.20 42827.20 Next BBC frequencies: 928.70 928.70 627.20 627.20 11 57 30 J2015+3710 14 13 45 26.5 62.8 -6.0 -48.2 83 1 1 51 11 57 30 12 01 29 --- 14 17 45 27.1 63.4 -6.0 -48.5 239 F 1 53 11 57 53 12 02 29 RT_AQL 14 18 45 15.4 89.5 -5.3 -43.0 31 1 1 53 12 02 29 12 19 26 --- 14 35 45 18.3 92.7 -5.0 -42.9 1017 F 1 61 12 02 52 Next scan frequencies: 43122.78 43122.78 42821.32 42821.32 Next BBC frequencies: 922.78 922.78 621.32 621.32 12 21 26 J1613+3412 14 37 45 67.3 119.1 -1.6 -44.8 16 1 1 61 12 21 26 12 25 25 --- 14 41 45 67.9 120.6 -1.5 -44.0 239 F 1 63 12 21 49 12 27 25 S_SER 14 43 45 55.2 163.6 -0.6 -11.2 85 1 1 63 12 27 25 12 44 22 --- 15 00 45 55.9 170.8 -0.4 -6.3 1017 F 1 71 12 27 48 Next scan frequencies: 43130.30 43121.96 42820.50 42820.50 Next BBC frequencies: 930.30 921.96 620.50 620.50 12 46 22 J1743-0350 15 02 45 27.2 133.3 -2.7 -29.1 56 1 1 71 12 46 22 12 50 21 --- 15 06 45 27.7 134.3 -2.6 -28.6 239 F 1 73 12 46 45 12 51 21 T_OPH 15 07 45 22.9 157.4 -1.4 -15.5 38 1 1 73 12 51 21 13 08 18 --- 15 24 45 23.9 161.7 -1.2 -12.6 1017 F 1 81 12 51 44 Next scan frequencies: 43128.70 43128.70 42827.20 42827.20 Next BBC frequencies: 928.70 928.70 627.20 627.20 13 10 18 J2015+3710 15 26 45 37.8 73.6 -4.8 -53.5 55 1 1 81 13 10 18 13 14 17 --- 15 30 45 38.4 74.2 -4.8 -53.7 239 F 1 83 13 10 41 13 15 17 RT_AQL 15 31 45 27.5 103.7 -4.1 -41.5 32 1 1 83 13 15 17 13 32 14 --- 15 48 45 30.2 107.3 -3.8 -40.6 1017 F 1 91 13 15 40 13 34 14 BLLAC 15 50 45 28.4 57.0 -6.2 -49.2 80 1 1 91 13 34 14 13 40 13 --- 15 56 45 29.2 57.9 -6.1 -49.8 359 F 1 94 13 34 37 Schedule for VLBA_BR (Code Br ) Page 4 VLBA/VLTI/Keck Observations of AGB Stars 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 ---------------------------------------------------------------------------------------- --- Sun 24 Feb 2008 Day 55 --- Next scan frequencies: 43130.30 43121.96 42820.50 42820.50 Next BBC frequencies: 930.30 921.96 620.50 620.50 13 42 12 J1743-0350 15 58 45 33.1 148.0 -1.8 -20.8 54 1 1 94 13 42 12 13 46 12 --- 16 02 45 33.5 149.1 -1.7 -20.1 239 F 1 96 13 42 35 13 47 12 T_OPH 16 03 45 25.4 171.9 -0.5 -5.6 38 1 1 96 13 47 12 14 04 09 --- 16 20 45 25.6 176.4 -0.2 -2.5 1017 F 1 104 13 47 35 Next scan frequencies: 43122.78 43122.78 42821.32 42821.32 Next BBC frequencies: 922.78 922.78 621.32 621.32 14 06 09 J1613+3412 16 22 45 76.0 187.5 0.1 6.0 13 1 1 104 14 06 09 14 10 08 --- 16 26 45 75.9 190.8 0.2 8.7 239 F 1 106 14 06 32 14 11 08 S_SER 16 27 45 53.5 207.4 1.1 18.5 9 1 1 106 14 11 08 14 28 05 --- 16 44 45 52.1 213.8 1.4 22.5 1017 F 1 114 14 11 31 Next scan frequencies: 43130.30 43121.96 42820.50 42820.50 Next BBC frequencies: 930.30 921.96 620.50 620.50 14 30 05 J1743-0350 16 46 45 36.5 162.0 -1.0 -11.9 79 1 1 114 14 30 05 14 34 04 --- 16 50 45 36.7 163.2 -0.9 -11.1 239 F 1 116 14 30 28 14 35 04 T_OPH 16 51 45 25.6 184.7 0.3 3.2 32 1 1 116 14 35 04 14 52 01 --- 17 08 45 25.3 189.2 0.6 6.4 1017 F 1 124 14 35 27 Next scan frequencies: 43131.74 43131.74 42830.22 42830.22 Next BBC frequencies: 931.74 931.74 630.22 630.22 14 55 01 J1751+0939 17 11 45 50.6 164.3 -0.7 -10.6 123 1 1 124 14 55 01 14 59 00 --- 17 15 45 50.8 165.8 -0.6 -9.6 239 F 1 126 14 55 24 15 00 00 RT_OPH 17 16 45 52.1 163.8 -0.7 -10.9 51 1 1 126 15 00 00 15 16 57 --- 17 33 45 52.7 170.6 -0.4 -6.4 1017 F 1 135 15 00 23 Next scan frequencies: 43128.70 43128.70 42827.20 42827.20 Next BBC frequencies: 928.70 928.70 627.20 627.20 15 18 57 J2015+3710 17 35 45 59.0 95.7 -2.7 -56.5 64 1 1 135 15 18 57 15 22 56 --- 17 39 45 59.7 96.5 -2.6 -56.4 239 F 1 137 15 19 20 Schedule for VLBA_BR (Code Br ) Page 5 VLBA/VLTI/Keck Observations of AGB Stars 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 ---------------------------------------------------------------------------------------- --- Sun 24 Feb 2008 Day 55 --- 15 23 56 RT_AQL 17 40 45 46.1 136.1 -2.0 -28.2 27 1 1 137 15 23 56 15 40 53 --- 17 57 45 48.0 141.5 -1.7 -25.1 1017 F 1 145 15 24 19 15 42 53 BLLAC 17 59 45 47.9 74.4 -4.1 -60.4 69 1 1 145 15 42 53 15 48 52 --- 18 05 45 48.9 75.2 -4.0 -60.8 359 F 1 148 15 43 16 Next scan frequencies: 43122.78 43122.78 42821.32 42821.32 Next BBC frequencies: 922.78 922.78 621.32 621.32 15 50 51 J1613+3412 18 07 45 64.7 247.1 1.9 48.0 -1 1 1 148 15 50 51 15 54 51 --- 18 11 45 64.1 248.3 2.0 48.6 238 F 1 150 15 51 14 15 58 50 S_SER 18 15 45 40.8 241.6 2.9 37.3 187 1 1 150 15 58 50 16 15 47 --- 18 32 45 38.3 245.8 3.2 38.9 1017 F 1 158 15 59 13 Next scan frequencies: 43130.30 43121.96 42820.50 42820.50 Next BBC frequencies: 930.30 921.96 620.50 620.50 16 16 47 J1743-0350 18 33 45 36.9 195.5 0.8 10.3 20 1 1 158 16 16 47 16 20 46 --- 18 37 45 36.7 196.7 0.9 11.1 239 F 1 160 16 17 10 16 21 46 T_OPH 18 38 45 20.0 211.9 2.1 21.5 20 1 1 160 16 21 46 16 38 43 --- 18 55 45 18.4 215.9 2.4 24.0 1017 F 1 168 16 22 09 Next scan frequencies: 43131.74 43131.74 42830.22 42830.22 Next BBC frequencies: 931.74 931.74 630.22 630.22 16 41 43 J1751+0939 18 58 45 49.0 205.6 1.1 17.0 112 1 1 168 16 41 43 16 45 42 --- 19 02 45 48.7 207.0 1.2 17.9 239 F 1 170 16 42 06 16 46 42 RT_OPH 19 03 45 50.5 206.3 1.1 17.5 50 1 1 170 16 46 42 17 03 39 --- 19 20 45 49.1 212.4 1.4 21.4 1017 F 1 178 16 47 05 Next scan frequencies: 43128.70 43128.70 42827.20 42827.20 Next BBC frequencies: 928.70 928.70 627.20 627.20 17 05 39 J2015+3710 19 22 45 75.4 133.6 -0.9 -37.4 61 1 1 178 17 05 39 17 09 38 --- 19 26 45 75.9 136.2 -0.8 -35.5 239 F 1 180 17 06 02 17 12 08 RT_AQL 19 29 15 53.6 176.2 -0.2 -2.6 99 1 1 180 17 12 08 17 29 05 --- 19 46 15 53.6 183.2 0.1 2.2 1017 F 1 188 17 12 31 Schedule for VLBA_BR (Code Br ) Page 6 VLBA/VLTI/Keck Observations of AGB Stars 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 ---------------------------------------------------------------------------------------- --- Sun 24 Feb 2008 Day 55 --- 17 31 05 BLLAC 19 48 15 65.8 91.2 -2.2 -64.5 52 1 1 188 17 31 05 17 37 04 --- 19 54 15 66.8 92.4 -2.1 -64.4 359 F 1 191 17 31 28 Next scan frequencies: 43122.78 43122.78 42821.32 42821.32 Next BBC frequencies: 922.78 922.78 621.32 621.32 17 39 04 J1613+3412 19 56 15 46.9 272.2 3.7 53.7 -6 1 1 191 17 39 04 17 43 03 --- 20 00 15 46.3 272.9 3.8 53.7 233 F 1 193 17 39 27 17 44 03 S_SER 20 01 15 24.0 264.7 4.7 43.3 9 1 1 193 17 44 03 18 01 00 --- 20 18 15 21.2 267.9 4.9 43.5 1017 F 1 201 17 44 26 Next scan frequencies: 43131.74 43131.74 42830.22 42830.22 Next BBC frequencies: 931.74 931.74 630.22 630.22 18 04 59 J1751+0939 20 22 15 40.3 232.0 2.5 32.2 195 1 1 201 18 04 59 18 08 59 --- 20 26 15 39.7 233.1 2.6 32.8 239 F 1 203 18 05 22 18 09 59 RT_OPH 20 27 15 41.5 233.1 2.5 32.9 50 1 1 203 18 09 59 18 26 56 --- 20 44 15 39.2 237.6 2.8 35.1 1017 F 1 211 18 10 22 Next scan frequencies: 43128.70 43128.70 42827.20 42827.20 Next BBC frequencies: 928.70 928.70 627.20 627.20 18 28 55 J2015+3710 20 46 15 77.7 209.8 0.5 24.6 37 1 1 211 18 28 55 18 32 55 --- 20 50 15 77.4 213.1 0.6 27.3 239 F 1 213 18 29 18 18 33 55 RT_AQL 20 51 15 50.6 208.8 1.2 19.2 0 1 1 213 18 33 55 18 50 52 --- 21 08 15 49.1 214.8 1.5 22.9 1017 F 1 221 18 34 18 18 52 51 BLLAC 21 10 15 79.1 117.2 -0.9 -53.4 49 1 1 221 18 52 51 18 58 50 --- 21 16 15 79.9 120.9 -0.8 -50.7 359 F 1 224 18 53 14 Next scan frequencies: 43131.74 43131.74 42830.22 42830.22 Next BBC frequencies: 931.74 931.74 630.22 630.22 19 00 50 J1751+0939 21 18 15 32.3 246.0 3.4 38.2 18 1 1 224 19 00 50 19 04 49 --- 21 22 15 31.6 246.9 3.5 38.5 239 F 1 226 19 01 13 19 05 49 RT_OPH 21 23 15 33.4 247.1 3.4 38.8 50 1 1 226 19 05 49 19 22 47 --- 21 40 15 30.8 250.9 3.7 40.0 1017 F 1 235 19 06 12 Schedule for VLBA_BR (Code Br ) Page 7 VLBA/VLTI/Keck Observations of AGB Stars 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 ---------------------------------------------------------------------------------------- --- Sun 24 Feb 2008 Day 55 --- Next scan frequencies: 43128.70 43128.70 42827.20 42827.20 Next BBC frequencies: 928.70 928.70 627.20 627.20 19 24 46 J2015+3710 21 42 15 70.8 243.3 1.4 48.4 34 1 1 235 19 24 46 19 28 46 --- 21 46 15 70.2 244.8 1.5 49.3 239 F 1 236 19 25 09 19 29 45 RT_AQL 21 47 15 44.8 227.3 2.1 30.1 3 1 1 236 19 29 45 19 46 43 --- 22 04 15 42.6 232.2 2.4 32.6 1017 F 1 245 19 30 08 19 48 42 BLLAC 22 06 15 84.2 185.8 0.1 5.3 31 1 1 245 19 48 42 19 54 41 --- 22 12 15 84.0 196.4 0.2 14.8 359 F 1 248 19 49 05 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bc161.vlba Matches group v7mm_b8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 7 Station: VLBA_BR Total bit rate: 64 Format: VLBA1:2 Bits per sample: 2 Sample rate: 8.000 Number of channels: 4 Speedup factor: 2.00 Disk used to record data. 1st LO= 42200.00 42200.00 42200.00 42200.00 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 7.4 11.6 The following frequency sets based on this setup were used. Frequency Set: 7 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 43122.78 43122.78 42821.32 42821.32 BBC fr= 922.78 922.78 621.32 621.32 Bandwd= 4.000 4.000 4.000 4.000 Frequency Set: 17 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 43131.74 43131.74 42830.22 42830.22 BBC fr= 931.74 931.74 630.22 630.22 Bandwd= 4.000 4.000 4.000 4.000 Frequency Set: 26 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 43130.30 43121.96 42820.50 42820.50 BBC fr= 930.30 921.96 620.50 620.50 Bandwd= 4.000 4.000 4.000 4.000 Frequency Set: 36 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 43128.70 43128.70 42827.20 42827.20 BBC fr= 928.70 928.70 627.20 627.20 Bandwd= 4.000 4.000 4.000 4.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 OFF OFF OFF OFF PCALXB2= M1 M2 M3 M4 OFF OFF OFF OFF 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 barrel=roll_off SOURCE LIST -- VLBA/VLTI/Keck Observations of AGB Stars 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) * BLLAC 22 00 39.362506 * 22 02 43.291373 22 03 01.825789 0.27 42 02 08.59079 * 42 16 39.97993 42 18 56.07631 0.40 From catalog imbedded in main SCHED input file. Doppler based on other sources. 0.499 scan hours, 21.527 baseline hours above horizon. * J1613+3412 16 11 47.914510 * 16 13 41.064500 16 14 00.090657 0.00 34 20 19.83496 * 34 12 47.91000 34 11 08.81893 0.00 From catalog imbedded in main SCHED input file. Doppler based on other sources. 0.399 scan hours, 17.252 baseline hours above horizon. * J1743-0350 17 41 20.616009 * 17 43 58.856133 17 44 24.754055 0.00 -03 48 48.89991 *-03 50 04.61671 -03 50 30.53308 0.00 From catalog imbedded in main SCHED input file. Doppler based on other sources. 0.332 scan hours, 13.658 baseline hours above horizon. * J1751+0939 17 49 10.387929 * 17 51 32.818572 17 51 56.035372 0.30 09 39 42.82589 * 09 39 00.72844 09 38 36.28048 0.20 From catalog imbedded in main SCHED input file. Doppler based on other sources. 0.399 scan hours, 14.946 baseline hours above horizon. * J2015+3710 20 13 37.014534 * 20 15 28.729820 20 15 45.723142 0.00 37 01 44.45892 * 37 10 59.51480 37 12 14.58913 0.00 From catalog imbedded in main SCHED input file. Doppler based on other sources. 0.399 scan hours, 16.754 baseline hours above horizon. * S_SER 15 19 18.922090 * 15 21 39.534426 15 22 03.377288 0.00 14 29 35.55464 * 14 18 53.12402 14 16 48.42951 0.00 From catalog imbedded in main SCHED input file. Hipparcos position Doppler based on LSR frame and radio definition. Velocities: 20.00 20.00 20.00 20.00 1.695 scan hours, 66.104 baseline hours above horizon. Proper motion used. Reference epoch: 1991.25000 At epoch: RA = 15 21 39.534100 Dec = 14 18 53.08600 Rates: RA = 0.28 mas/yr Dec = 2.25 mas/yr Paralax: 0.0000 mas. Planetary motion (includes proper motion). Ref. MJD: 54520.4179 Rates: RA = 0.52744E-07 s/day Dec = 0.61602E-05 arcsec/day * T_OPH 16 30 52.050129 * 16 33 43.700000 16 34 12.175375 0.00 -16 01 39.77807 *-16 07 54.00000 -16 09 04.75438 0.00 From catalog imbedded in main SCHED input file. ICRS position Doppler based on LSR frame and radio definition. Velocities: -29.00 29.00 29.00 29.00 1.413 scan hours, 56.229 baseline hours above horizon. * RT_OPH 17 54 11.440715 * 17 56 32.036574 17 56 54.916309 0.00 11 10 29.85519 * 11 10 09.62030 11 09 48.42258 0.00 From catalog imbedded in main SCHED input file. ICRS position Doppler based on LSR frame and radio definition. Velocities: -40.00 -40.00 -40.00 -40.00 1.695 scan hours, 63.858 baseline hours above horizon. Proper motion used. Reference epoch: 1991.25000 At epoch: RA = 17 56 32.036000 Dec = 11 10 09.72000 Rates: RA = 0.50 mas/yr Dec = -5.90 mas/yr Paralax: 0.0000 mas. Planetary motion (includes proper motion). Ref. MJD: 54520.4179 Rates: RA = 0.93024E-07 s/day Dec = -0.16153E-04 arcsec/day * RT_AQL 19 35 40.404073 * 19 38 01.612956 19 38 24.091919 0.00 11 36 26.98531 * 11 43 17.99549 11 44 10.41222 0.00 From catalog imbedded in main SCHED input file. Hipparcos position Doppler based on LSR frame and radio definition. Velocities: -28.00 -28.00 -28.00 -28.00 1.695 scan hours, 68.169 baseline hours above horizon. Proper motion used. Reference epoch: 1991.25000 At epoch: RA = 19 38 01.603200 Dec = 11 43 18.22800 Rates: RA = 8.48 mas/yr Dec = -13.76 mas/yr Paralax: 0.0000 mas. Planetary motion (includes proper motion). Ref. MJD: 54520.4179 Rates: RA = 0.15808E-05 s/day Dec = -0.37673E-04 arcsec/day 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) BLLAC 52.2 J1613+3412 98.4 J1743-0350 70.7 J1751+0939 71.5 J2015+3710 56.2 S_SER 108.4 T_OPH 86.1 RT_OPH 70.7 RT_AQL 47.4 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