SUMMARY FILE FOR PROJECT: be034b COVER INFORMATION: Experiment: be034b; 2/8 GHz observations of J2257-364 Exp. Code: be034b Start Day 345 is Thu 11 Dec 2003 MJD 52984 Schedule Version: 1.00 Processed by SCHED version: Release of 18 Sept. 2003 PI: Philip Edwards Address: Institute of Space and Astronautical Science 3-1-1 Yoshinodai, Sagamihara Kanagawa 229-8510 Japan Phone: +81-42-759-8342 EMAIL: pge@vsop.isas.ac.jp Fax: +81-42-759-8485 Phone during observation: +81-42-759-8342 Observing mode: 128-4-2 at 2cm Notes: Fringe finder J2258-27 Second epoch of two 6.0 hrs dynamically scheduled centered at LST 23.0 No cover letter provided. CORRELATION REQUESTS (Defaults in parentheses): Correlator (Required if recording): SOCORRO Correlator average time (2 sec): 2.000 sec. Alternate average time (for spacecraft). 0.000 sec. Spectral channels per baseband (16): 32 Number of antennas to be correlated: 7 Polarization (ON): OFF Correlator weighting function (UNIFORM): UNIFORM Distribution tape (DAT): DAT Source positions from: SCHEDULE FOR J2257-364 Shipping address for correlator output: Institute of Space and Astronautical Science 3-1-1 Yoshinodai, Sagamihara Kanagawa 229-8510 Japan Correlator Notes: DERIVED INFORMATION FOR CORRELATION: Elapsed time for project: 5.98 hours. Total time in scheduled scans: 5.78 hours. Total time in recording scans: 5.78 hours. Total number of baseline hours: 127.90 (Recording scans only) Projected maximum data output rate from the correlator: 28.7 kbytes/sec if processed in one pass. Projected correlator output data set size: 235.7 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 VLBA_SC Sc 17.75658 64.58363 -15. 2607848.52 -5488069.68 1932739.53 VLBA_FD Fd 30.63503 103.94482 1606. -1324009.12 -5332181.97 3231962.47 VLBA_LA La 35.77512 106.24560 1962. -1449752.35 -4975298.59 3709123.93 VLBA_PT Pt 34.30102 108.11919 2365. -1640953.70 -5014816.03 3575411.88 VLBA_KP Kp 31.95630 111.61242 1902. -1995678.62 -5037317.71 3357328.13 VLBA_OV Ov 37.23165 118.27705 1196. -2409150.10 -4478573.23 3838617.39 VLBA_MK Mk 19.80138 155.45550 3763. -5464074.96 -2495249.12 2148296.84 BASELINE LENGTHS (km) Sc Fd La Pt Kp Ov Mk Sc 0 4143 4458 4579 4839 5460 8611 Fd 4143 0 608 564 744 1508 5134 La 4458 608 0 236 652 1088 4970 Pt 4579 564 236 0 417 973 4795 Kp 4839 744 652 417 0 845 4466 Ov 5460 1508 1088 973 845 0 4015 Mk 8611 5134 4970 4795 4466 4015 0 RECORDING SYSTEM INFORMATION: TAPES - Stations potentially recording on tape. (See setup details later for times per pass.) Station Drives Head pos Tape len Density Start position Auto Auto Recorder (ft) Driv Head indx Aloc Reverse VLBA_SC 2 14 17600 High 1 1 Yes Yes VLBA VLBA_FD 2 14 17600 High 1 1 Yes Yes VLBA VLBA_LA 2 14 17600 High 1 1 Yes Yes VLBA VLBA_PT 2 14 17600 High 1 1 Yes Yes VLBA VLBA_KP 2 14 17600 High 1 1 Yes Yes VLBA VLBA_OV 2 14 17600 High 1 1 Yes Yes VLBA VLBA_MK 2 14 17600 High 1 1 Yes Yes VLBA EXPERIMENT SUMMARY: Number of input scans: 24 Number of scans scheduled: 24 Number of stations: 7 Number of sources input: 2 Number of setup files used: 1 Station summaries (tape stations): Station Control Scans Scan Hours Tape hours Tapes Passes Readbacks VLBA_SC VLBA 16 3.86 3.86 1 6 3 VLBA_FD VLBA 24 5.78 5.78 1 8 5 VLBA_LA VLBA 23 5.55 5.55 1 8 5 VLBA_PT VLBA 24 5.78 5.78 1 8 5 VLBA_KP VLBA 24 5.78 5.78 1 8 5 VLBA_OV VLBA 21 4.86 4.86 1 7 5 VLBA_MK VLBA 16 3.83 3.83 1 6 3 Station summaries (disk stations): Station Control Scans Scan Hours Record hrs Gbytes Setup file: /home/filehost/cwalker/sched/setups/vsx-128-4-2-R.set Matches group vsx_22 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 2 Sample rate: 16.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 2.00 Tape speeds: Low density - 133.330 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 3100.00 3100.00 7600.00 7600.00 Net SB= U U U U Pol. = RCP RCP RCP RCP BBC = 1 2 3 4 BBC SB= L L U U IF = A A B B VLBA FE= 13cm 4cm 13cm 4cm VLBA Synth= 7.6 3.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 2262.49 2270.49 8412.49 8420.49 BBC fr= 837.51 829.51 812.49 820.49 Bandwd= 8.000 8.000 8.000 8.000 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 6510 6510 0 0 0 0 PCALFR2= 510 510 6510 6510 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_auto SUMMARY for experiment be034b be034b; 2/8 GHz observations of J2257-364 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 345 is Thu 11 Dec 2003 MJD 52984 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Sc Fd La Pt Kp Ov Mk 345 21:51:41 J2258-27 - 44 20 15 15 15 7 --- 345 21:56:10 sx-128-4-2-R - 44 20 15 15 15 8 --- 345 21:56:40 J2257-364 - 36 14 8 9 9 --- --- 345 22:11:38 - - 36 15 10 10 11 --- --- 345 22:11:38 J2257-364 - 36 15 10 10 11 --- --- 345 22:31:35 - - 35 17 12 12 13 --- --- 345 22:31:35 J2257-364 - 35 17 12 12 13 --- --- 345 22:51:31 - - 34 19 13 14 15 --- --- 345 22:53:31 J2258-27 - 42 27 21 22 23 15 --- 345 22:57:30 - - 42 27 22 22 23 16 --- 345 22:58:00 J2257-364 - 34 19 14 15 16 8 --- 345 23:11:28 - - 33 20 15 16 17 10 --- 345 23:11:28 J2257-364 - 33 20 15 16 17 10 --- 345 23:31:25 - - 31 21 16 17 18 11 --- 345 23:31:25 J2257-364 - 31 21 16 17 18 11 --- 345 23:51:21 - - 29 22 17 18 20 13 --- 345 23:53:21 J2258-27 - 36 31 25 26 28 21 14 345 23:57:20 - - 36 31 25 27 28 21 15 345 23:57:50 J2257-364 - 28 22 17 18 20 13 10 346 00:11:18 - - 27 23 17 19 21 14 12 346 00:11:18 J2257-364 - 27 23 17 19 21 14 12 346 00:31:15 - - 24 23 18 19 21 15 16 346 00:31:15 J2257-364 - 24 23 18 19 21 15 16 346 00:51:12 - - 22 23 18 19 22 16 19 346 00:51:12 J2257-364 - 22 23 18 19 22 16 19 346 01:11:08 - - 19 22 17 19 22 16 21 346 01:11:08 J2257-364 - 19 22 17 19 22 16 21 346 01:31:05 - - 15 21 17 19 21 16 24 346 01:31:05 J2257-364 - 15 21 17 19 21 16 24 346 01:45:03 - - 13 21 16 18 21 16 26 346 01:47:02 J2258-27 - 18 29 24 26 29 25 33 346 01:51:02 - - 17 28 24 26 29 25 33 SUMMARY for experiment be034b be034b; 2/8 GHz observations of J2257-364 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 345 is Thu 11 Dec 2003 MJD 52984 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Sc Fd La Pt Kp Ov Mk 346 01:51:32 J2257-364 - --- 20 16 18 21 16 26 346 02:11:28 sx-128-4-2-R - --- 19 15 17 20 16 28 346 02:11:28 J2257-364 - --- 19 15 17 20 16 28 346 02:31:25 - - --- 17 13 15 18 15 30 346 02:31:25 J2257-364 - --- 17 13 15 18 15 30 346 02:44:53 - - --- 16 12 14 18 14 31 346 02:46:53 J2258-27 - --- 23 20 22 25 22 39 346 02:50:52 - - --- 23 19 21 25 22 40 346 02:51:22 J2257-364 - --- 15 12 14 17 14 32 346 03:11:19 - - --- 13 10 12 15 13 33 346 03:11:19 J2257-364 - --- 13 10 12 15 13 33 346 03:31:15 - - --- 11 8 10 13 11 33 346 03:31:15 J2257-364 - --- 11 --- 10 13 11 33 346 03:44:43 - - --- 9 --- 8 12 10 34 346 03:46:43 J2258-27 - --- 15 13 15 19 17 42 346 03:50:42 - - --- 15 12 14 18 17 42 SUMMARY for experiment be034b be034b; 2/8 GHz observations of J2257-364 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 345 is Thu 11 Dec 2003 MJD 52984 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Sc Fd La Pt Kp Ov Mk 345 21:51:41 J2258-27 - 0 0 0 0 0 0 --- 345 21:56:10 sx-128-4-2-R - 269 269 269 269 269 269 --- 345 21:56:40 J2257-364 - 7 10 10 10 11 --- --- 345 22:11:38 - - 898 898 898 898 898 --- --- 345 22:11:38 J2257-364 - -4 -4 -4 -4 -4 --- --- 345 22:31:35 - - 1193 1193 1193 1193 1193 --- --- 345 22:31:35 J2257-364 - -4 -4 -4 -4 -4 --- --- 345 22:51:31 - - 1193 1193 1193 1193 1193 --- --- 345 22:53:31 J2258-27 - 98 98 98 98 99 3420 --- 345 22:57:30 - - 239 239 239 239 239 239 --- 345 22:58:00 J2257-364 - 8 8 8 9 9 10 --- 345 23:11:28 - - 808 808 808 808 808 808 --- 345 23:11:28 J2257-364 - -4 -4 -4 -4 -4 -4 --- 345 23:31:25 - - 1193 1193 1193 1193 1193 1193 --- 345 23:31:25 J2257-364 - -4 -4 -4 -4 -4 -4 --- 345 23:51:21 - - 1193 1193 1193 1193 1193 1193 --- 345 23:53:21 J2258-27 - 100 97 97 97 97 98 0 345 23:57:20 - - 239 239 239 239 239 239 239 345 23:57:50 J2257-364 - 10 7 7 7 8 8 15 346 00:11:18 - - 808 808 808 808 808 808 808 346 00:11:18 J2257-364 - -4 -4 -4 -4 -4 -4 -4 346 00:31:15 - - 1193 1193 1193 1193 1193 1193 1193 346 00:31:15 J2257-364 - -4 -4 -4 -4 -4 -4 -4 346 00:51:12 - - 1193 1193 1193 1193 1193 1193 1193 346 00:51:12 J2257-364 - -4 -4 -4 -4 -4 -4 -4 346 01:11:08 - - 1193 1193 1193 1193 1193 1193 1193 346 01:11:08 J2257-364 - -4 -4 -4 -4 -4 -4 -4 346 01:31:05 - - 1193 1193 1193 1193 1193 1193 1193 346 01:31:05 J2257-364 - -4 -4 -4 -4 -4 -4 -4 346 01:45:03 - - 834 834 834 834 834 834 834 346 01:47:02 J2258-27 - 105 98 97 97 97 97 100 346 01:51:02 - - 239 239 239 239 239 239 239 SUMMARY for experiment be034b be034b; 2/8 GHz observations of J2257-364 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 345 is Thu 11 Dec 2003 MJD 52984 DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Sc Fd La Pt Kp Ov Mk 346 01:51:32 J2257-364 - --- 8 7 7 7 7 10 346 02:11:28 sx-128-4-2-R - --- 1197 1197 1197 1197 1197 1197 346 02:11:28 J2257-364 - --- -4 -4 -4 -4 -4 -4 346 02:31:25 - - --- 1193 1193 1193 1193 1193 1193 346 02:31:25 J2257-364 - --- -4 -4 -4 -4 -4 -4 346 02:44:53 - - --- 804 804 804 804 804 804 346 02:46:53 J2258-27 - --- 99 99 98 98 97 98 346 02:50:52 - - --- 239 239 239 239 239 239 346 02:51:22 J2257-364 - --- 9 9 8 8 8 8 346 03:11:19 - - --- 1197 1197 1197 1197 1197 1197 346 03:11:19 J2257-364 - --- -4 -4 -4 -4 -4 -4 346 03:31:15 - - --- 1193 1193 1193 1193 1193 1193 346 03:31:15 J2257-364 - --- -4 --- -4 -4 -4 -4 346 03:44:43 - - --- 804 --- 804 804 804 804 346 03:46:43 J2258-27 - --- 101 911 100 100 99 97 346 03:50:42 - - --- 239 239 239 239 239 239 Automatic tape allocation requested for sites using VLBA control files and having 2 or more drives. SCHED cannot predict tape changes. Number of tapes used at each autoaloc station: Station Tapes VLBA_SC 0.38 VLBA_FD 0.56 VLBA_LA 0.54 VLBA_PT 0.56 VLBA_KP 0.56 VLBA_OV 0.47 VLBA_MK 0.37 ESTIMATED TAPE TIMES (With autoallocation): Times are approximate and assume project starts at the beginning of a tape. Times can be affected by actual tape length. Tape change may occur during scan preceeding indicated time. Tape start time. Tape end time. Station Day Time Day Time (UT) (UT) VLBA_SC 345 21:51:41 346 01:51:02 VLBA_FD 345 21:51:41 346 03:50:42 VLBA_LA 345 21:51:41 346 03:50:42 VLBA_PT 345 21:51:41 346 03:50:42 VLBA_KP 345 21:51:41 346 03:50:42 VLBA_OV 345 21:51:41 346 03:50:42 VLBA_MK 345 23:53:21 346 03:50:42 SOURCE LIST -- be034b; 2/8 GHz observations of J2257-364 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) * J2257-364 22 54 23.115930 * 22 57 10.614100 22 57 22.989691 -36 43 46.95984 *-36 27 43.71000 -36 26 45.18796 From catalog imbedded in main SCHED input file. J2258-2758 22 55 22.460655 * 22 58 05.962888 22 58 18.002449 2255-282 -28 14 25.61877 *-27 58 21.25675 -27 57 19.93893 * J2258-27 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report 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) J2257-364 73.3 J2258-27 76.0 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 Source separations in degrees for pairs closer than 15.00 degrees. J2257-364 J2258-2758 8.4926 J2000 coordinates formatted for possible transfer to the correlator data base: name = 'J2257-364' ra = 22h57m10.614100s dec = -36d27'43.71000" name = 'J2258-27' ra = 22h58m05.962888s dec = -27d58'21.25675" Code versions: Release version: Release of 18 Sept. 2003 Version of sched code: 5.22 Version of VEX standard: 1.50 Version of VEX code: 0.79 Version of plot code: 1.05 Version of ephemeris code: 1.01 Version of PGPLOT: v5.2.0