COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: bu030a, 6cm HSA, Ulvestad et al. Exp. Code: bu030a Schedule Version: 1.00 Processed by SCHED version: NRAO internal release of 4 October 2004 PI: J.S. Ulvestad Address: NRAO, P.O. Box O Socorro, NM 87801 USA Phone: +1-505-835-7300 EMAIL: julvesta@nrao.edu Fax: +1-505-835-7320 Phone during observation: +1-505-270-2325 Observing mode: 256-8-2 Notes: HSA with Ar,GBT,Y27 256 Mbps allocated Target IIZW40, Phase ref J0552+0313 No phase-ref check source nearby Schedule for VLBA_MK (Code Mk ) Page 2 bu030a, 6cm HSA, Ulvestad et al. 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Sat 26 Feb 2005 Day 57 --- Next scan frequencies: 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 Next BBC frequencies: 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 23 56 48 J0552+0313 00 02 41 3.3 87.8 -5.8 -70.3 0 1 1 0 23 56 48 23 57 48 =0550+032 00 03 41 3.6 87.9 -5.8 -70.3 60 F 1 800 --- Start: Sat 26 Feb 2005 Day 57 -- Stop: Sun 27 Feb 2005 Day 58 --- 23 57 48 IIZW40 00 03 41 3.0 87.5 -5.9 -70.3 -7 1 1 800 23 57 48 00 00 12 --- 00 06 05 3.5 87.7 -5.8 -70.3 137 F 1 2720 00 00 12 J0552+0313 00 06 05 4.1 88.1 -5.8 -70.4 -7 1 1 2720 00 00 12 00 01 12 =0550+032 00 07 05 4.4 88.1 -5.8 -70.4 53 F 1 3520 00 01 12 IIZW40 00 07 05 3.8 87.7 -5.8 -70.4 -7 1 1 3520 00 01 12 00 03 36 --- 00 09 30 4.3 87.9 -5.8 -70.4 137 F 1 5440 00 03 36 J0552+0313 00 09 30 4.9 88.3 -5.7 -70.4 -7 1 1 5440 00 03 36 00 04 36 =0550+032 00 10 30 5.2 88.4 -5.7 -70.4 53 F 1 6240 00 04 36 IIZW40 00 10 30 4.6 88.0 -5.8 -70.4 -7 1 1 6240 00 04 36 00 07 00 --- 00 12 54 5.1 88.2 -5.7 -70.4 137 F 1 8160 00 07 00 J0552+0313 00 12 54 5.7 88.6 -5.7 -70.4 -7 1 1 8160 00 07 00 00 08 00 =0550+032 00 13 55 6.0 88.7 -5.7 -70.4 53 F 1 8960 00 10 00 J0552+0313 00 15 55 6.5 88.9 -5.6 -70.4 113 1 1 8960 00 10 00 00 12 00 =0550+032 00 17 55 6.9 89.1 -5.6 -70.4 120 F 1 10560 00 12 00 IIZW40 00 17 55 6.3 88.7 -5.6 -70.4 -7 1 1 10560 00 12 00 00 14 00 --- 00 19 56 6.8 88.8 -5.6 -70.4 113 F 1 12160 00 14 00 J0552+0313 00 19 56 7.4 89.2 -5.6 -70.4 -7 1 1 12160 00 14 00 00 15 00 =0550+032 00 20 56 7.6 89.3 -5.5 -70.4 53 F 1 12960 00 15 00 IIZW40 00 20 56 7.0 88.9 -5.6 -70.5 -7 1 1 12960 00 15 00 00 17 24 --- 00 23 20 7.6 89.1 -5.5 -70.5 137 F 1 14880 Schedule for VLBA_MK (Code Mk ) Page 3 bu030a, 6cm HSA, Ulvestad et al. 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Sun 27 Feb 2005 Day 58 --- 00 17 24 J0552+0313 00 23 20 8.2 89.5 -5.5 -70.4 -7 1 1 14880 00 17 24 00 18 24 =0550+032 00 24 20 8.4 89.6 -5.5 -70.4 53 F 1 15680 00 18 24 IIZW40 00 24 20 7.8 89.2 -5.5 -70.5 -7 1 1 15680 00 18 24 00 20 48 --- 00 26 45 8.4 89.4 -5.5 -70.5 137 F 1 17600 00 20 48 J0552+0313 00 26 45 9.0 89.8 -5.4 -70.5 -7 1 2 17600 00 20 48 00 21 48 =0550+032 00 27 45 9.2 89.9 -5.4 -70.5 53 R 1 16800 00 21 48 IIZW40 00 27 45 8.6 89.5 -5.5 -70.5 -7 1 2 16800 00 21 48 00 24 12 --- 00 30 09 9.2 89.7 -5.4 -70.5 137 R 1 14880 00 24 12 J0552+0313 00 30 09 9.8 90.1 -5.4 -70.5 -7 1 2 14880 00 24 12 00 25 12 =0550+032 00 31 09 10.0 90.2 -5.4 -70.5 53 R 1 14080 00 25 12 IIZW40 00 31 09 9.4 89.8 -5.4 -70.5 -7 1 2 14080 00 25 12 00 27 36 --- 00 33 34 10.0 90.0 -5.4 -70.5 137 R 1 12160 00 27 36 J0552+0313 00 33 34 10.6 90.4 -5.3 -70.4 -7 1 2 12160 00 27 36 00 28 36 =0550+032 00 34 34 10.8 90.5 -5.3 -70.4 53 R 1 11360 00 28 36 IIZW40 00 34 34 10.2 90.1 -5.4 -70.5 -7 1 2 11360 00 28 36 00 31 00 --- 00 36 58 10.8 90.3 -5.3 -70.5 137 R 1 9440 00 31 00 J0552+0313 00 36 58 11.4 90.7 -5.3 -70.4 -7 1 2 9440 00 31 00 00 32 00 =0550+032 00 37 59 11.6 90.8 -5.3 -70.4 53 R 1 8640 00 33 00 J0552+0313 00 38 59 11.9 90.8 -5.2 -70.4 54 1 2 8640 00 33 00 00 35 00 =0550+032 00 40 59 12.3 91.0 -5.2 -70.4 120 R 1 7040 00 35 00 IIZW40 00 40 59 11.7 90.6 -5.2 -70.5 -7 1 2 7040 00 35 00 00 37 00 --- 00 42 59 12.2 90.8 -5.2 -70.5 113 R 1 5440 00 37 00 J0552+0313 00 42 59 12.8 91.2 -5.2 -70.4 -7 1 2 5440 00 37 00 00 38 00 =0550+032 00 44 00 13.1 91.3 -5.2 -70.4 53 R 1 4640 00 38 00 IIZW40 00 44 00 12.4 90.9 -5.2 -70.5 -7 1 2 4640 00 38 00 00 40 24 --- 00 46 24 13.0 91.1 -5.2 -70.5 137 R 1 2720 00 40 24 J0552+0313 00 46 24 13.6 91.5 -5.1 -70.4 -7 1 2 2720 00 40 24 00 41 24 =0550+032 00 47 24 13.9 91.6 -5.1 -70.4 53 R 1 1920 Schedule for VLBA_MK (Code Mk ) Page 4 bu030a, 6cm HSA, Ulvestad et al. 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Sun 27 Feb 2005 Day 58 --- 00 41 24 IIZW40 00 47 24 13.2 91.2 -5.1 -70.4 -7 1 2 1920 00 41 24 00 43 48 --- 00 49 48 13.8 91.4 -5.1 -70.4 137 R 1 0 00 43 48 J0552+0313 00 49 48 14.4 91.8 -5.1 -70.4 -7 1 3 0 00 43 48 00 44 48 =0550+032 00 50 49 14.7 91.9 -5.0 -70.4 53 F 1 800 00 44 48 IIZW40 00 50 49 14.0 91.4 -5.1 -70.4 -7 1 3 800 00 44 48 00 47 00 --- 00 53 01 14.6 91.6 -5.0 -70.4 125 F 1 2560 00 47 00 J0552+0313 00 53 01 15.2 92.0 -5.0 -70.4 -7 1 3 2560 00 47 00 00 48 00 =0550+032 00 54 01 15.4 92.1 -5.0 -70.3 53 F 1 3360 00 48 00 IIZW40 00 54 01 14.8 91.7 -5.0 -70.4 -7 1 3 3360 00 48 00 00 50 12 --- 00 56 14 15.3 91.9 -5.0 -70.4 125 F 1 5120 00 50 12 J0552+0313 00 56 14 15.9 92.3 -4.9 -70.3 -7 1 3 5120 00 50 12 00 51 12 =0550+032 00 57 14 16.2 92.4 -4.9 -70.3 53 F 1 5920 00 51 12 IIZW40 00 57 14 15.5 92.0 -5.0 -70.4 -7 1 3 5920 00 51 12 00 53 24 --- 00 59 26 16.1 92.2 -4.9 -70.4 125 F 1 7680 00 53 24 J0552+0313 00 59 26 16.7 92.6 -4.9 -70.3 -7 1 3 7680 00 53 24 00 54 24 =0550+032 01 00 26 16.9 92.7 -4.9 -70.3 53 F 1 8480 00 54 24 J0555+3948 01 00 26 24.7 54.3 -4.9 -84.1 -32 1 3 8480 00 54 24 01 00 00 =0552+398 01 06 03 25.8 54.4 -4.8 -85.0 304 F 1 12960 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /users/cwalker/sched/setups/v6cm-256-8-2.set Matches group v6cm_2 in /home/arana/cwalker/sched/catalogs/freq.dat Setup group: 2 Station: VLBA Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = A C A C A C A C VLBA FE= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 2 Setup file default. Used pcal sets: 1 LO sum= 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 BBC fr= 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 Bandwd= 8.000 8.000 8.000 8.000 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 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- bu030a, 6cm HSA, Ulvestad et al. 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) (B1950) (J2000) (Date) * IIZW40 05 53 04.921988 * 05 55 42.620000 05 55 58.993094 03 23 07.57314 * 03 23 32.10000 03 23 36.17635 From catalog imbedded in main SCHED input file. 1.157 scan hours, 73.718 baseline hours above horizon. * J0137+3309 01 34 49.826365 * 01 37 41.299431 01 37 57.228812 0134+329 32 54 20.25881 * 33 09 35.13299 33 11 12.10908 3C48 /users/cwalker/sched/catalogs/sources.vlba J0137+33 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.000 scan hours, 0.000 baseline hours above horizon. * J0552+0313 05 50 12.603391 * 05 52 50.101479 05 53 06.439381 0550+032 03 12 50.15693 * 03 13 27.24315 03 13 32.53405 J0552+03 /users/cwalker/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 0.667 scan hours, 38.975 baseline hours above horizon. * J0555+3948 05 52 01.407166 * 05 55 30.805609 05 55 52.525577 0552+398 39 48 21.94585 * 39 48 49.16500 39 49 05.33553 DA193 /users/cwalker/sched/catalogs/sources.vlba J0555+39 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.093 scan hours, 4.259 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) IIZW40 109.1 J0137+3309 59.2 J0552+0313 108.4 J0555+3948 109.8 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