COVER INFORMATION Station: SHANGHAI (Code Sh ) Experiment: Pilot observation of phase calibrators for LS 5039 at 8.4 GHz Exp. Code: EM085 Schedule Version: 1.00 Processed by SCHED version: 9.30 Release near March 23, 2010 PI: Javier Moldon Address: Departament Astronomia i Meteorologia Facultat de Fisica (UB) Marti i Franques, 1 E-08028 Barcelona, SPAIN Phone: +34-934039233 EMAIL: jmoldon@am.ub.es Fax: +34-934021133 Phone during observation: +34-629089980 Observing mode: EVN X band, 1024 Mbps, KVAZAR needs kvsr.X1024 Notes: EVN experiment includes Russian network QUASAR Test calibrators close to LS 5039 at X band Schedule for SHANGHAI (Code Sh ) Page 2 Pilot observation of phase calibrators for LS 5039 at 8.4 GHz 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. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 15 Mar 2011 Day 74 --- Next scan frequencies: 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 Next BBC frequencies: 732.51 732.51 732.51 732.51 700.51 700.51 700.51 700.51 668.51 668.51 668.51 668.51 636.51 636.51 636.51 636.51 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 02 00 00 J1733-1304 21 34 08 17.4 242.2 4.0 51.1 0 1 1 0 02 00 00 02 05 00 =1730-130 21 39 09 16.4 243.0 4.1 51.6 300 F 1 39 02 00 01 02 05 00 J1825-1718 21 39 09 23.0 230.7 3.2 43.9 -16 1 1 39 No stop 02 06 35 =1822-173 21 40 44 22.8 231.0 3.2 44.2 79 F 1 51 02 05 01 02 06 35 LS5039 21 40 44 24.6 232.7 3.2 44.8 -7 1 1 51 No stop 02 08 25 --- 21 42 34 24.3 233.1 3.3 45.1 103 F 1 65 02 06 36 02 09 05 J1825-1718 21 43 14 22.3 231.4 3.3 44.5 33 1 1 65 02 09 05 02 10 40 =1822-173 21 44 50 22.1 231.7 3.3 44.8 95 F 1 77 02 09 06 02 10 40 J1819-1419 21 44 50 23.1 235.2 3.4 46.5 -7 1 1 77 No stop 02 12 30 --- 21 46 40 22.7 235.5 3.4 46.8 103 F 1 92 02 10 41 02 12 30 J1825-1718 21 46 40 21.8 232.1 3.3 45.0 -7 1 1 92 No stop 02 14 05 =1822-173 21 48 15 21.5 232.3 3.4 45.2 88 F 1 104 02 12 31 02 14 05 J1822-1309 21 48 15 23.8 236.2 3.4 47.0 -8 1 1 104 No stop 02 15 55 --- 21 50 06 23.4 236.5 3.5 47.2 102 F 1 118 02 14 06 02 15 55 J1825-1718 21 50 06 21.2 232.7 3.4 45.5 -8 1 1 118 No stop 02 17 25 =1822-173 21 51 36 20.9 232.9 3.4 45.7 82 F 1 130 02 15 56 02 17 25 J1825-1449A 21 51 36 22.6 234.9 3.4 46.5 -7 1 1 130 No stop 02 19 15 --- 21 53 26 22.3 235.3 3.5 46.7 103 F 1 144 02 17 26 02 19 55 J1825-1718 21 54 06 20.5 233.4 3.5 46.0 33 1 1 144 02 19 55 02 21 30 =1822-173 21 55 41 20.2 233.7 3.5 46.3 95 F 1 156 02 19 56 02 21 30 J1825-1449B 21 55 41 21.9 235.7 3.5 47.0 -7 1 1 156 No stop 02 23 20 --- 21 57 32 21.5 236.0 3.5 47.2 103 F 1 170 02 21 31 Schedule for SHANGHAI (Code Sh ) Page 3 Pilot observation of phase calibrators for LS 5039 at 8.4 GHz 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. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 15 Mar 2011 Day 74 --- 02 23 20 J1825-1718 21 57 32 19.9 234.0 3.5 46.5 -7 1 1 170 No stop 02 24 50 =1822-173 21 59 02 19.6 234.3 3.5 46.7 83 F 1 182 02 23 21 02 24 50 J1827-1408 21 59 02 22.1 236.5 3.5 47.4 -8 1 1 182 No stop 02 26 40 --- 22 00 52 21.8 236.8 3.5 47.6 102 F 1 196 02 24 51 02 26 40 J1825-1718 22 00 52 19.3 234.6 3.6 47.0 -8 1 1 196 No stop 02 28 15 =1822-173 22 02 28 19.0 234.8 3.6 47.2 87 F 1 208 02 26 41 02 28 15 LS5039 22 02 28 20.8 236.7 3.6 47.7 -7 1 1 208 No stop 02 30 05 --- 22 04 18 20.5 237.0 3.6 48.0 103 F 1 223 02 28 16 02 30 45 J1825-1718 22 04 58 18.6 235.3 3.6 47.5 33 1 1 223 02 30 45 02 32 20 =1822-173 22 06 33 18.3 235.5 3.7 47.7 95 F 1 235 02 30 46 02 32 20 J1830-1601 22 06 33 20.1 235.7 3.6 47.4 -7 1 1 235 No stop 02 34 10 --- 22 08 24 19.8 236.0 3.6 47.6 103 F 1 249 02 32 21 02 34 10 J1825-1718 22 08 24 18.0 235.9 3.7 47.9 -7 1 1 249 No stop 02 35 45 =1822-173 22 09 59 17.7 236.1 3.7 48.1 88 F 1 261 02 34 11 02 35 45 J1834-1433 22 09 59 21.1 236.8 3.6 47.8 -10 1 1 261 No stop 02 37 35 --- 22 11 49 20.8 237.1 3.6 48.0 100 F 1 275 02 35 46 02 37 35 J1825-1718 22 11 49 17.4 236.4 3.8 48.4 -10 1 1 275 No stop 02 39 10 =1822-173 22 13 24 17.1 236.7 3.8 48.5 85 F 1 288 02 37 36 02 39 10 LS5039 22 13 24 18.8 238.5 3.8 49.1 -7 1 1 288 No stop 02 41 00 --- 22 15 15 18.5 238.8 3.8 49.3 103 F 1 302 02 39 11 02 41 40 J1825-1718 22 15 55 16.7 237.1 3.8 48.9 33 1 1 302 02 41 40 02 43 15 =1822-173 22 17 30 16.4 237.4 3.9 49.0 95 F 1 314 02 41 41 02 43 15 J1819-1419 22 17 30 17.1 240.8 4.0 50.5 -7 1 1 314 No stop 02 45 05 --- 22 19 20 16.8 241.1 4.0 50.7 103 F 1 328 02 43 16 02 45 05 J1825-1718 22 19 20 16.0 237.7 3.9 49.3 -7 1 1 328 No stop 02 46 40 =1822-173 22 20 56 15.8 237.9 3.9 49.5 88 F 1 341 02 45 06 02 46 40 J1822-1309 22 20 56 17.8 241.8 4.0 50.8 -8 1 1 341 No stop 02 48 30 --- 22 22 46 17.4 242.1 4.0 51.0 102 F 1 355 02 46 41 02 48 30 J1825-1718 22 22 46 15.4 238.2 3.9 49.7 -8 1 1 355 No stop 02 50 00 =1822-173 22 24 16 15.1 238.5 4.0 49.8 82 F 1 366 02 48 31 Schedule for SHANGHAI (Code Sh ) Page 4 Pilot observation of phase calibrators for LS 5039 at 8.4 GHz 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. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 15 Mar 2011 Day 74 --- 02 50 00 J1825-1449A 22 24 16 16.7 240.5 4.0 50.4 -7 1 1 366 No stop 02 51 50 --- 22 26 06 16.3 240.8 4.0 50.6 103 F 1 381 02 50 01 02 52 30 J1825-1718 22 26 47 14.7 238.9 4.0 50.1 33 1 1 381 02 52 30 02 54 05 =1822-173 22 28 22 14.4 239.1 4.0 50.3 95 F 1 393 02 52 31 02 54 05 J1825-1449B 22 28 22 15.9 241.2 4.0 50.9 -7 1 1 393 No stop 02 55 55 --- 22 30 12 15.6 241.4 4.1 51.1 103 F 1 407 02 54 06 02 55 55 J1825-1718 22 30 12 14.1 239.4 4.1 50.5 -7 1 1 407 No stop 02 57 25 =1822-173 22 31 42 13.8 239.6 4.1 50.7 83 F 1 419 02 55 56 02 57 25 J1827-1408 22 31 42 16.1 241.9 4.1 51.2 -8 1 1 419 No stop 02 59 15 --- 22 33 33 15.7 242.2 4.1 51.4 102 F 1 433 02 57 26 02 59 15 J1825-1718 22 33 33 13.4 239.9 4.1 50.9 -8 1 1 433 No stop 03 00 50 =1822-173 22 35 08 13.1 240.2 4.1 51.1 87 F 1 445 02 59 16 03 00 50 LS5039 22 35 08 14.8 242.0 4.1 51.5 -7 1 1 445 No stop 03 02 40 --- 22 36 58 14.5 242.3 4.2 51.7 103 F 1 459 03 00 51 03 03 20 J1825-1718 22 37 38 12.7 240.5 4.2 51.3 33 1 1 459 03 03 20 03 04 55 =1822-173 22 39 14 12.4 240.8 4.2 51.5 95 F 1 472 03 03 21 03 04 55 J1830-1601 22 39 14 14.2 241.0 4.1 51.2 -7 1 1 472 No stop 03 06 45 --- 22 41 04 13.8 241.3 4.2 51.4 103 F 1 486 03 04 56 03 06 45 J1825-1718 22 41 04 12.0 241.1 4.2 51.7 -7 1 1 486 No stop 03 08 20 =1822-173 22 42 39 11.7 241.3 4.3 51.9 88 F 1 498 03 06 46 03 08 20 J1834-1433 22 42 39 15.1 242.2 4.1 51.5 -10 1 1 498 No stop 03 10 10 --- 22 44 29 14.7 242.5 4.2 51.7 100 F 1 512 03 08 21 03 10 10 J1825-1718 22 44 29 11.4 241.6 4.3 52.1 -10 1 1 512 No stop 03 11 45 =1822-173 22 46 05 11.1 241.8 4.3 52.2 85 F 1 524 03 10 11 03 11 45 J1835-1115 22 46 05 16.7 245.3 4.2 52.5 -13 1 1 524 No stop 03 13 20 =1832-113 22 47 40 16.3 245.5 4.2 52.6 82 F 1 537 03 11 46 03 13 20 J1825-1718 22 47 40 10.8 242.0 4.4 52.4 -13 1 1 537 No stop 03 14 50 =1822-173 22 49 10 10.5 242.3 4.4 52.5 77 F 1 548 03 13 21 03 14 50 LS5039 22 49 10 12.1 244.2 4.4 52.9 -7 1 1 548 No stop 03 16 40 --- 22 51 01 11.8 244.5 4.4 53.1 103 F 1 563 03 14 51 Schedule for SHANGHAI (Code Sh ) Page 5 Pilot observation of phase calibrators for LS 5039 at 8.4 GHz 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. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 15 Mar 2011 Day 74 --- 03 17 20 J1825-1718 22 51 41 10.0 242.6 4.4 52.8 33 1 1 563 03 17 20 03 18 55 =1822-173 22 53 16 9.7 242.9 4.4 53.0 95 F 1 575 03 17 21 03 18 55 J1819-1419 22 53 16 10.3 246.2 4.6 54.0 -7 1 1 575 No stop 03 20 45 --- 22 55 06 9.9 246.5 4.6 54.1 103 F 1 589 03 18 56 03 20 45 J1825-1718 22 55 06 9.4 243.1 4.5 53.1 -7 1 1 589 No stop 03 22 20 =1822-173 22 56 41 9.1 243.4 4.5 53.3 88 F 1 601 03 20 46 03 22 20 J1822-1309 22 56 41 10.9 247.3 4.6 54.2 -8 1 1 601 No stop 03 24 10 --- 22 58 32 10.5 247.5 4.6 54.4 102 F 1 615 03 22 21 03 24 10 J1825-1718 22 58 32 8.7 243.6 4.5 53.5 -8 1 1 615 No stop 03 25 40 =1822-173 23 00 02 8.4 243.8 4.6 53.6 82 F 1 627 03 24 11 03 25 40 J1825-1449A 23 00 02 9.8 245.9 4.6 54.0 -6 1 1 627 No stop 03 27 30 --- 23 01 52 9.5 246.2 4.6 54.1 104 F 1 641 03 25 41 03 28 10 J1825-1718 23 02 32 8.0 244.2 4.6 53.9 33 1 1 641 03 28 10 03 29 45 =1822-173 23 04 08 7.7 244.4 4.6 54.0 95 F 1 654 03 28 11 03 29 45 LS5039 23 04 08 9.2 246.4 4.6 54.2 -7 1 1 654 No stop 03 31 35 --- 23 05 58 8.9 246.6 4.7 54.4 103 F 1 668 03 29 46 03 31 35 J1825-1718 23 05 58 7.3 244.7 4.7 54.2 -7 1 1 668 No stop 03 33 10 =1822-173 23 07 33 7.0 244.9 4.7 54.3 88 F 1 680 03 31 36 03 33 10 J1825-1449B 23 07 33 8.4 247.0 4.7 54.6 -6 1 1 680 No stop 03 35 00 --- 23 09 24 8.0 247.3 4.7 54.8 104 F 1 694 03 33 11 03 35 00 J1825-1718 23 09 24 6.6 245.2 4.7 54.5 -6 1 1 694 No stop 03 36 30 =1822-173 23 10 54 6.3 245.4 4.7 54.6 84 F 1 706 03 35 01 03 36 30 J1827-1408 23 10 54 8.5 247.8 4.7 54.8 -8 1 1 706 No stop 03 38 20 --- 23 12 44 8.1 248.0 4.7 55.0 102 F 1 720 03 36 31 03 39 00 J1825-1718 23 13 24 5.8 245.7 4.8 54.8 32 1 1 720 03 39 00 03 40 35 =1822-173 23 14 59 5.5 245.9 4.8 55.0 95 F 1 732 03 39 01 03 40 35 J1830-1601 23 14 59 7.3 246.3 4.7 54.7 -7 1 1 732 No stop 03 42 25 --- 23 16 50 6.9 246.5 4.8 54.8 103 F 1 746 03 40 36 03 42 25 J1825-1718 23 16 50 5.2 246.2 4.8 55.1 -7 1 1 746 No stop 03 44 00 =1822-173 23 18 25 4.9 246.4 4.9 D 55.3 0 F 1 759 03 42 26 Schedule for SHANGHAI (Code Sh ) Page 6 Pilot observation of phase calibrators for LS 5039 at 8.4 GHz 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. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 15 Mar 2011 Day 74 --- 03 44 00 LS5039 23 18 25 6.4 248.4 4.9 55.4 -6 1 1 759 No stop 03 45 50 --- 23 20 15 6.0 248.6 4.9 55.6 104 F 1 773 03 44 01 03 48 05 J1834-1433 23 22 31 7.3 248.1 4.8 55.1 129 1 1 773 03 48 05 03 49 55 --- 23 24 21 7.0 248.3 4.8 55.3 110 F 1 787 03 48 06 03 51 30 J1844-1324 23 25 56 9.4 248.0 4.7 54.7 87 1 1 787 03 51 30 03 53 05 --- 23 27 31 9.1 248.2 4.7 54.8 95 F 1 799 03 51 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: kvsr.X1024 Matching groups in /usr/local/sched/catalogs/freq.dat: shxd From An Tao 18May2006. Dummy dual pol - only RCP available Setup group: 7 Station: SHANGHAI Total bit rate: 1024 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 Speedup factor: 0.50 Disk used to record data. 1st LO= 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 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 this setup were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 LO sum= 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 BBC fr= 732.51 732.51 732.51 732.51 700.51 700.51 700.51 700.51 668.51 668.51 668.51 668.51 636.51 636.51 636.51 636.51 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 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 490 510 490 510 490 510 490 510 PCALFR2= 490 510 490 510 490 510 490 510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off SOURCE LIST -- Pilot observation of phase calibrators for LS 5039 at 8.4 GHz 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) * LS5039 18 23 23.646092 * 18 26 15.061800 18 26 54.333124 0.00 -14 52 42.68788 *-14 50 54.34050 -14 50 31.06025 0.00 From catalog imbedded in main SCHED input file. Position corrected from proper motion 0.336 scan hours, 10.362 baseline hours above horizon. * J1819-1419 18 16 25.078878 * 18 19 15.880000 18 19 55.051165 0.00 -14 20 19.95210 *-14 19 02.00000 -14 18 45.89427 0.00 From catalog imbedded in main SCHED input file. BD087. VLA, X band 0.153 scan hours, 4.654 baseline hours above horizon. * J1822-1309 18 19 21.539673 * 18 22 10.903000 18 22 49.726628 0.00 -13 11 14.94612 *-13 09 44.23000 -13 09 25.60574 0.00 From catalog imbedded in main SCHED input file. BD087. VLA, X band 0.153 scan hours, 4.528 baseline hours above horizon. * J1825-1449A 18 22 21.562430 * 18 25 12.958600 18 25 52.231508 0.00 -14 51 19.23424 *-14 49 35.38700 -14 49 13.14807 0.00 From catalog imbedded in main SCHED input file. From the CORNISH survey. VLA B(conf). C band 0.153 scan hours, 4.752 baseline hours above horizon. * J1825-1449B 18 22 23.408155 * 18 25 14.795100 18 25 54.065710 0.00 -14 50 53.25771 *-14 49 09.27700 -14 48 47.01002 0.00 From catalog imbedded in main SCHED input file. From the CORNISH survey. VLA B(conf). C band 0.153 scan hours, 4.470 baseline hours above horizon. * J1825-1718 18 22 42.013822 * 18 25 36.532274 18 26 16.519464 1.28 1822-173 -17 20 35.28984 *-17 18 49.84873 -17 18 26.34686 1.97 From catalog imbedded in main SCHED input file. Petrov Dec. 2009 Solution 2009c_astro 33 Observations 1.281 scan hours, 34.543 baseline hours above horizon. * J1827-1408 18 24 22.773876 * 18 27 13.310000 18 27 52.373690 0.00 -14 10 27.99916 *-14 08 35.40000 -14 08 11.39624 0.00 From catalog imbedded in main SCHED input file. BD087. VLA, X band 0.153 scan hours, 4.644 baseline hours above horizon. * J1830-1601 18 27 54.005830 * 18 30 46.850000 18 31 26.422521 0.00 -16 03 41.86548 *-16 01 33.90000 -16 01 05.69443 0.00 From catalog imbedded in main SCHED input file. BD087. VLA, X band 0.153 scan hours, 4.366 baseline hours above horizon. * J1834-1433 18 31 26.752186 * 18 34 17.743800 18 34 56.870890 0.00 -14 36 10.64734 *-14 33 47.38500 -14 33 16.19273 0.00 From catalog imbedded in main SCHED input file. From BD105A (VLBA, X band) 0.153 scan hours, 4.401 baseline hours above horizon. * J1835-1115 18 32 32.599314 * 18 35 19.575857 18 35 57.775467 2.67 1832-113 -11 18 27.17609 *-11 15 59.30885 -11 15 28.22481 5.96 From catalog imbedded in main SCHED input file. Petrov Dec. 2009 Solution 2009c_astro 18 Observations 0.026 scan hours, 1.000 baseline hours above horizon. * J1844-1324 18 42 00.815056 * 18 44 50.281660 18 45 28.998564 0.00 -13 27 53.17762 *-13 24 44.39990 -13 24 03.17506 0.00 From catalog imbedded in main SCHED input file. Position from BR138b (VLBA, C band) 0.026 scan hours, 1.015 baseline hours above horizon. * J1733-1304 17 30 13.535187 * 17 33 02.705784 17 33 41.775641 0.02 1730-130 -13 02 45.83981 *-13 04 49.54829 -13 05 20.37870 0.02 J1733-13 /usr/local/sched/catalogs/sources.vlba NRAO530 GSFC Nov. 2009 Solution 2009a 15699 Observations 0.083 scan hours, 3.750 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) LS5039 77.8 J1819-1419 79.5 J1822-1309 78.7 J1825-1449A 78.0 J1825-1449B 78.0 J1825-1718 78.0 J1827-1408 77.5 J1830-1601 76.7 J1834-1433 75.8 J1835-1115 75.5 J1844-1324 73.2 J1733-1304 90.7 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