COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: NGC7674 at 4 cm Exp. Code: bm193a Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: E. Momjian Address: NRAO P.O. Box O Socorro, NM 87801 Phone: 1-505-835-7457 (work) EMAIL: emomjian@nrao.edu Fax: 1-505-835-7027 Phone during observation: Observing mode: 4cm 256-16-2 Notes: Schedule for VLBA_MK (Code Mk ) Page 2 NGC7674 at 4 cm 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 31 Aug 2003 Day 243 --- Next scan frequencies: 8092.99 8092.99 8100.99 8100.99 8108.99 8108.99 8116.99 8116.99 Next BBC frequencies: 692.99 692.99 700.99 700.99 708.99 708.99 716.99 716.99 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 04 53 00 3C454.3 17 07 02 8.3 75.7 -5.8 -71.7 0 1 1 0 04 53 00 04 57 50 --- 17 11 53 9.4 76.1 -5.7 -72.0 290 F 1 3867 05 10 20 N7674_8G 17 24 25 2.1 81.4 -6.1 D -70.3 730 1 1 3867 05 10 20 05 13 00 --- 17 27 05 2.7 81.6 -6.0 -70.4 0 F 1 6000 05 13 00 J2329 17 27 05 2.4 81.7 -6.0 -70.3 -7 1 1 6000 05 13 00 05 13 50 --- 17 27 56 2.6 81.8 -6.0 -70.4 43 F 1 6667 05 14 30 N7674_8G 17 28 36 3.1 81.8 -6.0 -70.4 33 1 1 6667 05 14 30 05 17 10 --- 17 31 16 3.7 82.0 -5.9 -70.5 160 F 1 8800 05 17 10 J2329 17 31 16 3.4 82.1 -6.0 -70.5 -7 1 1 8800 05 17 10 05 18 00 --- 17 32 06 3.6 82.1 -6.0 -70.5 43 F 1 9467 05 18 00 N7674_8G 17 32 06 3.9 82.0 -5.9 -70.5 -7 1 1 9467 05 18 00 05 20 40 --- 17 34 47 4.5 82.3 -5.9 -70.6 153 F 1 11600 05 20 40 J2329 17 34 47 4.2 82.4 -5.9 -70.6 -7 1 1 11600 05 20 40 05 21 30 --- 17 35 37 4.4 82.4 -5.9 -70.6 43 F 1 12267 05 21 30 N7674_8G 17 35 37 4.7 82.3 -5.9 -70.7 -7 1 1 12267 05 21 30 05 24 10 --- 17 38 17 5.3 82.5 -5.8 -70.7 153 F 1 14400 05 24 10 J2329 17 38 17 5.0 82.7 -5.9 -70.7 -7 1 1 14400 05 24 10 05 25 00 --- 17 39 07 5.2 82.7 -5.8 -70.7 43 F 1 15067 05 25 00 N7674_8G 17 39 07 5.5 82.6 -5.8 -70.8 -7 1 1 15067 05 25 00 05 27 40 --- 17 41 48 6.2 82.8 -5.8 -70.8 153 F 1 17200 05 27 40 J2329 17 41 48 5.8 82.9 -5.8 -70.8 -7 1 2 17200 05 27 40 05 28 30 --- 17 42 38 6.0 83.0 -5.8 -70.8 43 R 1 16533 05 28 30 N7674_8G 17 42 38 6.3 82.9 -5.8 -70.9 -7 1 2 16533 05 28 30 05 31 10 --- 17 45 18 7.0 83.1 -5.7 -70.9 153 R 1 14400 Schedule for VLBA_MK (Code Mk ) Page 3 NGC7674 at 4 cm 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 31 Aug 2003 Day 243 --- 05 31 10 J2329 17 45 18 6.6 83.2 -5.7 -70.9 -7 1 2 14400 05 31 10 05 32 00 --- 17 46 09 6.8 83.3 -5.7 -70.9 43 R 1 13733 05 32 00 N7674_8G 17 46 09 7.2 83.2 -5.7 -71.0 -7 1 2 13733 05 32 00 05 34 40 --- 17 48 49 7.8 83.4 -5.7 -71.0 153 R 1 11600 05 34 40 J2329 17 48 49 7.5 83.5 -5.7 -71.0 -7 1 2 11600 05 34 40 05 35 30 --- 17 49 39 7.7 83.6 -5.7 -71.0 43 R 1 10933 05 36 10 N7674_8G 17 50 19 8.1 83.5 -5.6 -71.1 33 1 2 10933 05 36 10 05 38 50 --- 17 53 00 8.8 83.7 -5.6 -71.2 160 R 1 8800 05 38 50 J2329 17 53 00 8.4 83.9 -5.6 -71.1 -7 1 2 8800 05 38 50 05 39 40 --- 17 53 50 8.6 83.9 -5.6 -71.1 43 R 1 8133 05 39 40 N7674_8G 17 53 50 9.0 83.8 -5.6 -71.2 -7 1 2 8133 05 39 40 05 42 20 --- 17 56 30 9.6 84.0 -5.5 -71.2 153 R 1 6000 05 42 20 J2329 17 56 30 9.3 84.1 -5.5 -71.2 -7 1 2 6000 05 42 20 05 43 10 --- 17 57 20 9.5 84.2 -5.5 -71.2 43 R 1 5333 05 43 10 N7674_8G 17 57 20 9.8 84.1 -5.5 -71.3 -7 1 2 5333 05 43 10 05 45 50 --- 18 00 01 10.4 84.3 -5.5 -71.3 153 R 1 3200 05 45 50 J2329 18 00 01 10.1 84.4 -5.5 -71.3 -7 1 2 3200 05 45 50 05 46 40 --- 18 00 51 10.3 84.5 -5.5 -71.3 43 R 1 2533 05 46 40 N7674_8G 18 00 51 10.6 84.4 -5.5 -71.4 -7 1 2 2533 05 46 40 05 49 20 --- 18 03 31 11.2 84.6 -5.4 -71.4 153 R 1 400 05 49 20 J2329 18 03 31 10.9 84.7 -5.4 -71.3 -7 1 3 400 05 49 20 05 50 10 --- 18 04 22 11.1 84.8 -5.4 -71.4 43 F 1 1067 05 50 10 N7674_8G 18 04 22 11.4 84.7 -5.4 -71.4 -7 1 3 1067 05 50 10 05 52 50 --- 18 07 02 12.1 84.9 -5.4 -71.5 153 F 1 3200 05 52 50 J2329 18 07 02 11.7 85.0 -5.4 -71.4 -7 1 3 3200 05 52 50 05 53 40 --- 18 07 52 11.9 85.0 -5.4 -71.4 43 F 1 3867 05 53 40 N7674_8G 18 07 52 12.3 84.9 -5.3 -71.5 -7 1 3 3867 05 53 40 05 56 20 --- 18 10 33 12.9 85.2 -5.3 -71.6 153 F 1 6000 Schedule for VLBA_MK (Code Mk ) Page 4 NGC7674 at 4 cm 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 31 Aug 2003 Day 243 --- 05 56 20 J2329 18 10 33 12.5 85.3 -5.3 -71.5 -7 1 3 6000 05 56 20 05 57 10 --- 18 11 23 12.7 85.3 -5.3 -71.5 43 F 1 6667 05 57 50 N7674_8G 18 12 03 13.2 85.3 -5.3 -71.6 33 1 3 6667 05 57 50 06 00 30 --- 18 14 43 13.9 85.5 -5.2 -71.6 160 F 1 8800 06 00 30 J2329 18 14 43 13.5 85.6 -5.2 -71.6 -7 1 3 8800 06 00 30 06 01 20 --- 18 15 33 13.7 85.7 -5.2 -71.6 43 F 1 9467 06 01 20 N7674_8G 18 15 33 14.1 85.6 -5.2 -71.7 -7 1 3 9467 06 01 20 06 04 00 --- 18 18 14 14.7 85.8 -5.2 -71.7 153 F 1 11600 06 04 00 J2329 18 18 14 14.3 85.9 -5.2 -71.6 -7 1 3 11600 06 04 00 06 04 50 --- 18 19 04 14.5 85.9 -5.2 -71.7 43 F 1 12267 06 04 50 N7674_8G 18 19 04 14.9 85.8 -5.2 -71.7 -7 1 3 12267 06 04 50 06 07 30 --- 18 21 44 15.5 86.1 -5.1 -71.8 153 F 1 14400 06 07 30 J2329 18 21 44 15.2 86.2 -5.1 -71.7 -7 1 3 14400 06 07 30 06 08 20 --- 18 22 35 15.4 86.2 -5.1 -71.7 43 F 1 15067 06 08 20 N7674_8G 18 22 35 15.7 86.1 -5.1 -71.8 -7 1 3 15067 06 08 20 06 11 00 --- 18 25 15 16.3 86.3 -5.0 -71.8 153 F 1 17200 06 11 00 J2329 18 25 15 16.0 86.4 -5.1 -71.8 -7 1 4 17200 06 11 00 06 11 50 --- 18 26 05 16.2 86.5 -5.1 -71.8 43 R 1 16533 06 11 50 N7674_8G 18 26 05 16.5 86.4 -5.0 -71.8 -7 1 4 16533 06 11 50 06 14 30 --- 18 28 46 17.2 86.6 -5.0 -71.9 153 R 1 14400 06 14 30 J2329 18 28 46 16.8 86.7 -5.0 -71.8 -7 1 4 14400 06 14 30 06 15 20 --- 18 29 36 17.0 86.8 -5.0 -71.8 43 R 1 13733 06 15 20 N7674_8G 18 29 36 17.3 86.7 -5.0 -71.9 -7 1 4 13733 06 15 20 06 18 00 --- 18 32 16 18.0 86.9 -4.9 -71.9 153 R 1 11600 06 18 00 J2329 18 32 16 17.6 87.0 -5.0 -71.9 -7 1 4 11600 06 18 00 06 18 50 --- 18 33 06 17.8 87.1 -4.9 -71.9 43 R 1 10933 06 19 30 N7674_8G 18 33 46 18.3 87.0 -4.9 -72.0 33 1 4 10933 06 19 30 06 22 10 --- 18 36 27 19.0 87.2 -4.9 -72.0 160 R 1 8800 Schedule for VLBA_MK (Code Mk ) Page 5 NGC7674 at 4 cm 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 31 Aug 2003 Day 243 --- 06 22 10 J2329 18 36 27 18.6 87.4 -4.9 -71.9 -7 1 4 8800 06 22 10 06 23 00 --- 18 37 17 18.8 87.4 -4.9 -71.9 43 R 1 8133 06 23 00 N7674_8G 18 37 17 19.2 87.3 -4.8 -72.0 -7 1 4 8133 06 23 00 06 25 40 --- 18 39 57 19.8 87.5 -4.8 -72.0 153 R 1 6000 06 25 40 J2329 18 39 57 19.4 87.6 -4.8 -71.9 -7 1 4 6000 06 25 40 06 26 30 --- 18 40 48 19.6 87.7 -4.8 -71.9 43 R 1 5333 06 28 30 J2334+07 18 42 48 18.6 88.4 -4.9 -71.6 112 1 4 5333 06 28 30 06 32 00 --- 18 46 18 19.4 88.7 -4.8 -71.6 210 R 1 2533 06 32 00 N7674_8G 18 46 18 21.3 88.0 -4.7 -72.1 -10 1 4 2533 06 32 00 06 34 40 --- 18 48 59 21.9 88.3 -4.7 -72.1 150 R 1 400 06 34 40 J2329 18 48 59 21.6 88.4 -4.7 -72.0 -7 1 5 400 06 34 40 06 35 30 --- 18 49 49 21.8 88.4 -4.7 -72.0 43 F 1 1067 06 35 30 N7674_8G 18 49 49 22.1 88.3 -4.6 -72.1 -7 1 5 1067 06 35 30 06 38 10 --- 18 52 29 22.7 88.5 -4.6 -72.1 153 F 1 3200 06 38 10 J2329 18 52 29 22.4 88.7 -4.6 -72.0 -7 1 5 3200 06 38 10 06 39 00 --- 18 53 20 22.6 88.7 -4.6 -72.0 43 F 1 3867 06 39 00 N7674_8G 18 53 20 22.9 88.6 -4.6 -72.1 -7 1 5 3867 06 39 00 06 41 40 --- 18 56 00 23.6 88.8 -4.5 -72.2 153 F 1 6000 06 41 40 J2329 18 56 00 23.2 89.0 -4.6 -72.1 -7 1 5 6000 06 41 40 06 42 30 --- 18 56 50 23.4 89.0 -4.5 -72.1 43 F 1 6667 06 42 30 N7674_8G 18 56 50 23.8 88.9 -4.5 -72.2 -7 1 5 6667 06 42 30 06 45 10 --- 18 59 31 24.4 89.1 -4.5 -72.2 153 F 1 8800 06 45 10 J2329 18 59 31 24.0 89.2 -4.5 -72.1 -7 1 5 8800 06 45 10 06 46 00 --- 19 00 21 24.2 89.3 -4.5 -72.1 43 F 1 9467 06 46 00 N7674_8G 19 00 21 24.6 89.2 -4.5 -72.2 -7 1 5 9467 06 46 00 06 48 40 --- 19 03 01 25.2 89.4 -4.4 -72.2 153 F 1 11600 06 48 40 J2329 19 03 01 24.9 89.5 -4.4 -72.1 -7 1 5 11600 06 48 40 06 49 30 --- 19 03 51 25.1 89.6 -4.4 -72.1 43 F 1 12267 Schedule for VLBA_MK (Code Mk ) Page 6 NGC7674 at 4 cm 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 31 Aug 2003 Day 243 --- 06 49 30 N7674_8G 19 03 51 25.4 89.5 -4.4 -72.2 -7 1 5 12267 06 49 30 06 52 10 --- 19 06 32 26.0 89.7 -4.4 -72.2 153 F 1 14400 06 52 10 J2329 19 06 32 25.7 89.8 -4.4 -72.1 -7 1 5 14400 06 52 10 06 53 00 --- 19 07 22 25.9 89.9 -4.4 -72.1 43 F 1 15067 06 53 00 N7674_8G 19 07 22 26.2 89.8 -4.3 -72.2 -7 1 5 15067 06 53 00 06 55 40 --- 19 10 02 26.9 90.0 -4.3 -72.2 153 F 1 17200 06 55 40 J2329 19 10 02 26.5 90.1 -4.3 -72.1 -7 1 6 17200 06 55 40 06 56 30 --- 19 10 52 26.7 90.2 -4.3 -72.1 43 R 1 16533 06 56 30 N7674_8G 19 10 52 27.1 90.1 -4.3 -72.2 -7 1 6 16533 06 56 30 06 59 10 --- 19 13 33 27.7 90.3 -4.2 -72.2 153 R 1 14400 06 59 10 J2329 19 13 33 27.3 90.4 -4.3 -72.1 -7 1 6 14400 06 59 10 07 00 00 --- 19 14 23 27.5 90.5 -4.2 -72.1 43 R 1 13733 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bm193a.set Matches group v4cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 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= 7400.00 7400.00 7400.00 7400.00 7400.00 7400.00 7400.00 7400.00 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 = B D B D B D B D VLBA FE= omit 4cm omit 4cm VLBA Synth= 7.4 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 8092.99 8092.99 8100.99 8100.99 8108.99 8108.99 8116.99 8116.99 BBC fr= 692.99 692.99 700.99 700.99 708.99 708.99 716.99 716.99 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= 10 10 10 10 6010 6010 6010 6010 PCALFR2= 10 10 10 10 6010 6010 6010 6010 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- NGC7674 at 4 cm 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) * N7674_8G 23 25 24.393008 * 23 27 56.695000 23 28 08.219923 08 30 12.70937 * 08 46 44.24600 08 47 57.56326 From catalog imbedded in main SCHED input file. * J2329 23 26 33.399740 * 23 29 05.786781 23 29 17.316443 08 17 43.59986 * 08 34 15.85419 08 35 29.25641 From catalog imbedded in main SCHED input file. * J2327+09 23 25 01.451396 * 23 27 33.580578 23 27 45.091616 09 23 38.17567 * 09 40 09.46278 09 41 22.66224 From catalog imbedded in main SCHED input file. * J2334+07 23 31 40.087494 * 23 34 12.828194 23 34 24.377278 07 19 52.41078 * 07 36 27.55204 07 37 41.32301 From catalog imbedded in main SCHED input file. J2253+1608 22 51 29.519733 * 22 53 57.747932 22 54 09.021783 2251+158 15 52 54.34806 * 16 08 53.56089 16 10 03.79615 * 3C454.3 /home/filehost/cwalker/sched/catalogs/sources.vlba J2253+16 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) N7674_8G 158.2 J2329 158.2 J2327+09 157.5 J2334+07 158.1 3C454.3 154.7 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