SUMMARY FILE FOR PROJECT: c051b COVER INFORMATION: Experiment: 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* Exp. Code: c051b Start Day 107 is Sun 17 Apr 2005 MJD 53477 Schedule Version: 3.00 Processed by SCHED version: 6.01 Release: Late March 2005 PI: Global 3mm VLBI Array Address: Max-Planck-Institut fuer Radioastronomie Auf dem Huegel 69 53121 Bonn Germany Phone: 0049-228-525-295 EMAIL: tkrichbaum@mpifr-bonn.mpg.de Fax: 0049-2257-301-106 Phone during observation: 0049-2257-301-155 Observing mode: 1024-8-2 Notes: Will use automatic reference pointing. phasecal should be always ON, measure Tsys in PREOB and POSTOB Do frequent pointing on 1757-240 and SgrA No cover letter provided. CORRELATION REQUESTS (Defaults in parentheses): Correlator (Required if recording): BONN Correlator average time (2 sec): 0.500 sec. Alternate average time (for spacecraft). 0.000 sec. Spectral channels per baseband (16): 32 Number of antennas to be correlated: 14 Polarization (ON): OFF Correlator weighting function (UNIFORM): UNIFORM Distribution tape (DAT): DAT Source positions from: STANDARD Shipping address for correlator output: Thomas P. Krichbaum Max-Planck-Institut fuer Radioastronomie Auf dem Huegel 69 D-53121 Bonn, Germany Correlator Notes: use correlator integration time < 1sec DERIVED INFORMATION FOR CORRELATION: Elapsed time for project: 6.34 hours. Total time in scheduled scans: 2.29 hours. Total time in recording scans: 2.29 hours. Total number of baseline hours: 13.47 (Recording scans only) Projected maximum data output rate from the correlator: 24.6 kbytes/sec if processed in one pass. Projected correlator output data set size: 397.4 Mbytes NOTE: Above numbers assume the same correlator parameters are used for all data. STATIONS USED IN SCHEDULE: Station Code Latitude Longitude Elevation X Y Z EFLSBERG Ef 50.52483 -6.88361 417. 4033947.48 486990.52 4900430.82 PICOVEL PV 37.06616 3.39261 2922. 5088967.90 -301681.60 3825015.80 PDBURE PB 44.63367 -5.90667 2618. 4524000.43 468042.14 4460309.76 BASELINE LENGTHS (km) Ef PV PB Ef 0 1700 658 PV 1700 0 1146 PB 658 1146 0 RECORDING SYSTEM INFORMATION: DISKS - Stations potentially recording on disks. Station Drive type EFLSBERG MARK5A PICOVEL MARK5A PDBURE MARK5A EXPERIMENT SUMMARY: Number of input scans: 25 Number of scans scheduled: 25 Number of stations: 3 Number of sources input: 4 Number of setup files used: 1 Station summaries (tape stations): Station Control Scans Scan Hours Tape hours Tapes Passes Readbacks Station summaries (disk stations): Station Control Scans Scan Hours Record hrs Gbytes EFLSBERG VEX 24 2.20 2.20 1022. PICOVEL VEX 25 2.29 2.29 1064. PDBURE VEX 25 2.29 2.29 1064. Setup file: 3mm-1024-8-2-UL.set Matches group 3mm_picovel in freq.3mm 3-mm CMVA Setup group: 1 Station: PICOVEL Total bit rate: 1024 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 Passes/head pos: 1 Speedup factor: 0.50 1st LO= 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 85507.00 Net SB= L U L U L U L U L U L U L U L U Pol. = LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP BBC = 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 BBC SB= L U L U L U L U L U L U L U L U IF = A A A A A A A A A A A A A A A A The following frequency sets based on this setup were used. Frequency Set: 2 Setup file default. Used pcal sets: 1 LO sum= 86157.99 86157.99 86189.99 86189.99 86221.99 86221.99 86253.99 86253.99 86285.99 86285.99 86317.99 86317.99 86349.99 86349.99 86381.99 86381.99 BBC fr= 650.99 650.99 682.99 682.99 714.99 714.99 746.99 746.99 778.99 778.99 810.99 810.99 842.99 842.99 874.99 874.99 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= 990 990 990 990 990 990 990 990 PCALFR2= 10 10 10 10 10 10 10 10 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off The following setup groups are the same as group 2 below. 3:EFLSBERG Setup file: 3mm-1024-8-2-UL.set Matches group 3mm_pdbure-l in freq.3mm 3-mm CMVA Setup group: 2 Station: PDBURE Total bit rate: 1024 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 Passes/head pos: 1 Speedup factor: 0.50 1st LO= 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 85919.00 Net SB= L U L U L U L U L U L U L U L U Pol. = LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP LCP BBC = 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 BBC SB= L U L U L U L U L U L U L U L U IF = 1N 1N 2A 2A 1N 1N 2A 2A 1N 1N 2A 2A 1N 1N 2A 2A The following frequency sets based on this setup were used. Frequency Set: 3 Setup file default. No pcal detection. LO sum= 86157.99 86157.99 86189.99 86189.99 86221.99 86221.99 86253.99 86253.99 86285.99 86285.99 86317.99 86317.99 86349.99 86349.99 86381.99 86381.99 BBC fr= 238.99 238.99 270.99 270.99 302.99 302.99 334.99 334.99 366.99 366.99 398.99 398.99 430.99 430.99 462.99 462.99 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 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off SUMMARY for experiment c051b 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* Top item is: Start elevation, flag (D=>Down, H=>Below Horizon, t=>Tape Change.) Bottom item is: End elevation, flag (D=>Down, H=>Below Horizon, t=>Tape Change.) TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 107 is Sun 17 Apr 2005 MJD 53477 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Ef PV PB 107 23:45:00 1749+096 - 27 23 28 107 23:50:30 -1024-8-2-UL - 28 24 29 108 00:00:01 1749+096 - 29 26 31 108 00:05:31 - - 30 27 32 108 00:15:00 1741-038 - 21 21 24 108 00:20:30 - - 22 22 25 108 00:30:00 1741-038 - 23 24 26 108 00:35:30 - - 24 25 27 108 00:45:00 1741-038 - 25 27 28 108 00:50:30 - - 26 28 29 108 01:00:00 1741-038 - 27 29 30 108 01:05:30 - - 27 30 31 108 01:20:00 1741-038 - 29 33 33 108 01:25:30 - - 29 34 33 108 01:40:00 NRAO530 - 23 30 28 108 01:45:30 - - 23 30 28 108 02:00:00 NRAO530 - 24 32 29 108 02:05:30 - - 24 33 30 108 02:10:00 NRAO530 - 25 33 30 108 02:15:30 - - 25 34 30 108 02:30:00 SGR_A - 9 20 15 108 02:35:30 - - 9 20 15 108 02:45:00 SGR_A - 10 21 15 108 02:50:30 - - 10 21 16 108 03:00:00 SGR_A - 10 22 16 108 03:05:30 - - 10 22 16 108 03:15:00 SGR_A - 10 22 16 108 03:20:30 - - 10 23 16 108 03:30:00 SGR_A - 10 23 16 108 03:35:30 - - 10 23 16 108 03:45:00 SGR_A - 10 24 16 108 03:50:30 - - 10 24 16 SUMMARY for experiment c051b 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* Top item is: Start elevation, flag (D=>Down, H=>Below Horizon, t=>Tape Change.) Bottom item is: End elevation, flag (D=>Down, H=>Below Horizon, t=>Tape Change.) TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 107 is Sun 17 Apr 2005 MJD 53477 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Ef PV PB 108 04:00:00 SGR_A - 10 24 16 108 04:05:30 -1024-8-2-UL - 10 24 16 108 04:15:00 SGR_A - 10 24 16 108 04:20:30 - - 10 24 16 108 04:30:00 SGR_A - 9 24 15 108 04:35:30 - - 9 24 15 108 04:45:00 SGR_A - 9 24 15 108 04:50:30 - - 9 23 14 108 05:00:00 SGR_A - 8H 23 14 108 05:05:30 - - 8D 23 14 108 05:15:00 SGR_A - ---D 22 13 108 05:20:30 - - ---D 22 13 108 05:30:00 NRAO530 - 20 36 26 108 05:35:30 - - 20 35 25 108 05:45:00 NRAO530 - 19 34 24 108 05:50:30 - - 18 34 23 108 06:00:00 1741-038 - 27 42 32 108 06:05:30 - - 26 41 31 SUMMARY for experiment c051b 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* Top item is: Scan end: Tape drive, direction, and head index. Disk Gbytes. Bottom item is: Headset and start tape footage (thousands). TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 107 is Sun 17 Apr 2005 MJD 53477 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Ef PV PB 107 23:45:00 1749+096 - 42 42 42 107 23:50:30 -1024-8-2-UL - 1/00 1/00 1/00 108 00:00:01 1749+096 - 85 85 85 108 00:05:31 - - 1/00 1/00 1/00 108 00:15:00 1741-038 - 127 127 127 108 00:20:30 - - 1/00 1/00 1/00 108 00:30:00 1741-038 - 170 170 170 108 00:35:30 - - 1/00 1/00 1/00 108 00:45:00 1741-038 - 212 212 212 108 00:50:30 - - 1/00 1/00 1/00 108 01:00:00 1741-038 - 255 255 255 108 01:05:30 - - 1/00 1/00 1/00 108 01:20:00 1741-038 - 298 298 298 108 01:25:30 - - 1/00 1/00 1/00 108 01:40:00 NRAO530 - 340 340 340 108 01:45:30 - - 1/00 1/00 1/00 108 02:00:00 NRAO530 - 383 383 383 108 02:05:30 - - 1/00 1/00 1/00 108 02:10:00 NRAO530 - 425 425 425 108 02:15:30 - - 1/00 1/00 1/00 108 02:30:00 SGR_A - 468 468 468 108 02:35:30 - - 1/00 1/00 1/00 108 02:45:00 SGR_A - 510 510 510 108 02:50:30 - - 1/00 1/00 1/00 108 03:00:00 SGR_A - 553 553 553 108 03:05:30 - - 1/00 1/00 1/00 108 03:15:00 SGR_A - 596 596 596 108 03:20:30 - - 1/00 1/00 1/00 108 03:30:00 SGR_A - 638 638 638 108 03:35:30 - - 1/00 1/00 1/00 108 03:45:00 SGR_A - 681 681 681 108 03:50:30 - - 1/00 1/00 1/00 SUMMARY for experiment c051b 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* Top item is: Scan end: Tape drive, direction, and head index. Disk Gbytes. Bottom item is: Headset and start tape footage (thousands). TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 107 is Sun 17 Apr 2005 MJD 53477 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Ef PV PB 108 04:00:00 SGR_A - 723 723 723 108 04:05:30 -1024-8-2-UL - 1/00 1/00 1/00 108 04:15:00 SGR_A - 766 766 766 108 04:20:30 - - 1/00 1/00 1/00 108 04:30:00 SGR_A - 808 808 808 108 04:35:30 - - 1/00 1/00 1/00 108 04:45:00 SGR_A - 851 851 851 108 04:50:30 - - 1/00 1/00 1/00 108 05:00:00 SGR_A - 894 894 894 108 05:05:30 - - 1/00 1/00 1/00 108 05:15:00 SGR_A - --- 936 936 108 05:20:30 - - --- 1/00 1/00 108 05:30:00 NRAO530 - 936 979 979 108 05:35:30 - - 1/00 1/00 1/00 108 05:45:00 NRAO530 - 979 1021 1021 108 05:50:30 - - 1/00 1/00 1/00 108 06:00:00 1741-038 - 1021 1064 1064 108 06:05:30 - - 1/00 1/00 1/00 SUMMARY for experiment c051b 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* Top item is: Seconds antenna is on source before scan start. Bottom item is: Seconds antenna is on source during scan. TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 107 is Sun 17 Apr 2005 MJD 53477 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Ef PV PB 107 23:45:00 1749+096 - 0 0 0 107 23:50:30 -1024-8-2-UL - 330 330 330 108 00:00:01 1749+096 - 541 565 565 108 00:05:31 - - 330 330 330 108 00:15:00 1741-038 - 507 538 540 108 00:20:30 - - 330 330 330 108 00:30:00 1741-038 - 540 564 564 108 00:35:30 - - 330 330 330 108 00:45:00 1741-038 - 540 564 564 108 00:50:30 - - 330 330 330 108 01:00:00 1741-038 - 539 564 563 108 01:05:30 - - 330 330 330 108 01:20:00 1741-038 - 834 862 861 108 01:25:30 - - 330 330 330 108 01:40:00 NRAO530 - 814 843 846 108 01:45:30 - - 330 330 330 108 02:00:00 NRAO530 - 834 861 860 108 02:05:30 - - 330 330 330 108 02:10:00 NRAO530 - 246 266 266 108 02:15:30 - - 330 330 330 108 02:30:00 SGR_A - 786 839 837 108 02:35:30 - - 330 330 330 108 02:45:00 SGR_A - 541 564 564 108 02:50:30 - - 330 330 330 108 03:00:00 SGR_A - 540 564 564 108 03:05:30 - - 330 330 330 108 03:15:00 SGR_A - 540 564 564 108 03:20:30 - - 330 330 330 108 03:30:00 SGR_A - 540 564 564 108 03:35:30 - - 330 330 330 108 03:45:00 SGR_A - 540 563 564 108 03:50:30 - - 330 330 330 SUMMARY for experiment c051b 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* Top item is: Seconds antenna is on source before scan start. Bottom item is: Seconds antenna is on source during scan. TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 107 is Sun 17 Apr 2005 MJD 53477 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Ef PV PB 108 04:00:00 SGR_A - 540 563 564 108 04:05:30 -1024-8-2-UL - 330 330 330 108 04:15:00 SGR_A - 540 563 564 108 04:20:30 - - 330 330 330 108 04:30:00 SGR_A - 541 563 564 108 04:35:30 - - 330 330 330 108 04:45:00 SGR_A - 541 563 564 108 04:50:30 - - 330 330 330 108 05:00:00 SGR_A - 541 564 564 108 05:05:30 - - 0 330 330 108 05:15:00 SGR_A - --- 564 564 108 05:20:30 - - --- 330 330 108 05:30:00 NRAO530 - 1399 541 542 108 05:35:30 - - 330 330 330 108 05:45:00 NRAO530 - 540 563 563 108 05:50:30 - - 330 330 330 108 06:00:00 1741-038 - 514 551 551 108 06:05:30 - - 330 330 330 SUMMARY for experiment c051b 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* Top item is: Slew time in seconds from previous source. Bottom item is: Seconds tape starts before scan start time. TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 107 is Sun 17 Apr 2005 MJD 53477 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Ef PV PB 107 23:45:00 1749+096 - 0 0 0 107 23:50:30 -1024-8-2-UL - 0 0 0 108 00:00:01 1749+096 - 30 6 6 108 00:05:31 - - 0 0 0 108 00:15:00 1741-038 - 62 31 29 108 00:20:30 - - 0 0 0 108 00:30:00 1741-038 - 30 6 6 108 00:35:30 - - 0 0 0 108 00:45:00 1741-038 - 30 6 6 108 00:50:30 - - 0 0 0 108 01:00:00 1741-038 - 31 6 7 108 01:05:30 - - 0 0 0 108 01:20:00 1741-038 - 36 8 9 108 01:25:30 - - 0 0 0 108 01:40:00 NRAO530 - 56 27 24 108 01:45:30 - - 0 0 0 108 02:00:00 NRAO530 - 36 9 10 108 02:05:30 - - 0 0 0 108 02:10:00 NRAO530 - 24 4 4 108 02:15:30 - - 0 0 0 108 02:30:00 SGR_A - 84 31 33 108 02:35:30 - - 0 0 0 108 02:45:00 SGR_A - 29 6 6 108 02:50:30 - - 0 0 0 108 03:00:00 SGR_A - 30 6 6 108 03:05:30 - - 0 0 0 108 03:15:00 SGR_A - 30 6 6 108 03:20:30 - - 0 0 0 108 03:30:00 SGR_A - 30 6 6 108 03:35:30 - - 0 0 0 108 03:45:00 SGR_A - 30 7 6 108 03:50:30 - - 0 0 0 SUMMARY for experiment c051b 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* Top item is: Slew time in seconds from previous source. Bottom item is: Seconds tape starts before scan start time. TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 107 is Sun 17 Apr 2005 MJD 53477 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Ef PV PB 108 04:00:00 SGR_A - 30 7 6 108 04:05:30 -1024-8-2-UL - 0 0 0 108 04:15:00 SGR_A - 30 7 6 108 04:20:30 - - 0 0 0 108 04:30:00 SGR_A - 29 7 6 108 04:35:30 - - 0 0 0 108 04:45:00 SGR_A - 29 7 6 108 04:50:30 - - 0 0 0 108 05:00:00 SGR_A - 29 6 6 108 05:05:30 - - 0 0 0 108 05:15:00 SGR_A - --- 6 6 108 05:20:30 - - --- 0 0 108 05:30:00 NRAO530 - 71 29 28 108 05:35:30 - - 0 0 0 108 05:45:00 NRAO530 - 30 7 7 108 05:50:30 - - 0 0 0 108 06:00:00 1741-038 - 56 19 19 108 06:05:30 - - 0 0 0 TAPE TIMES (Without autoallocation): Tape start time. Tape end time. Station Day Time Day Time (UT) (UT) EFLSBERG 107 23:45:00 108 06:05:30 PICOVEL 107 23:45:00 108 06:05:30 PDBURE 107 23:45:00 108 06:05:30 SOURCE LIST -- 3MM APR 17, 23h45 UT - APR 18, 06h10 UT, part2 for SgrA* 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) * SGR_A 17 42 29.307533 * 17 45 40.038500 17 46 00.451754 0.00 -28 59 18.51915 *-29 00 28.10400 -29 00 41.72820 0.00 From catalog imbedded in main SCHED input file. 1.100 scan hours, 2.933 baseline hours above horizon. J1733-1304 17 30 13.535187 * 17 33 02.705785 17 33 20.881639 0.21 1730-130 -13 02 45.83975 *-13 04 49.54823 -13 05 13.80407 0.30 J1733-13 /aux/pc124a/p459kri/sched/catalogs/sources.vlba * NRAO530 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.458 scan hours, 1.375 baseline hours above horizon. J1743-0350 17 41 20.616009 * 17 43 58.856133 17 44 15.848684 0.20 * 1741-038 -03 48 48.89991 *-03 50 04.61671 -03 50 26.61282 0.30 J1743-03 /aux/pc124a/p459kri/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.550 scan hours, 1.650 baseline hours above horizon. J1751+0939 17 49 10.387929 * 17 51 32.818572 17 51 48.160047 0.30 * 1749+096 09 39 42.82589 * 09 39 00.72844 09 38 38.39804 0.20 J1751+09 /aux/pc124a/p459kri/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.183 scan hours, 0.550 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) SGR_A 121.1 NRAO530 124.2 1741-038 120.3 1749+096 115.3 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 Source separations in degrees for pairs closer than 30.00 degrees. SGR_A NRAO530 16.1935 SGR_A 1741-038 25.1743 NRAO530 1741-038 9.6315 NRAO530 1749+096 23.1882 1741-038 1749+096 13.6148 J2000 coordinates formatted for possible transfer to the correlator data base: name = 'SGR_A' ra = 17h45m40.038500s dec = -29d00'28.10400" name = 'NRAO530' ra = 17h33m02.705785s dec = -13d04'49.54823" name = '1741-038' ra = 17h43m58.856133s dec = -03d50'04.61671" name = '1749+096' ra = 17h51m32.818572s dec = 09d39'00.72844" Catalogs: Station: mm-stations.dat.disk Version: 2005Feb28-16:32:35 Location: /aux/pc124a/p459kri/sched/catalogs/locations.dat Version: 08 Mar 2004 Frequency: freq.3mm Version: Source: /aux/pc124a/p459kri/sched/catalogs/sources.vlba Version: 2005 March 1 Code versions: Release version: 6.01 Release: Late March 2005 Version of VEX standard: 1.50 Version of VEX code: 0.84 Version of plot code: 1.05 Version of ephemeris code: 1.01 Version of PGPLOT: v5.2.0