COVER INFORMATION Station: HART (Code Hh ) Experiment: EB023B: EVN+MERLIN at 18 cm Exp. Code: EB023C Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Marco Bondi Address: Istituto di Radioastronomia Via Gobetti 101 I-40129 Bologna, Italy Phone: 39-051-6399386 EMAIL: bondi@ira.cnr.it Fax: 39-051-6399431 Phone during observation: 39-051-6399386 Observing mode: EVN + MERLIN at 18cm 128-4-2 Dual pol continuum Notes: Send Logs and Calibration Info to the PI Schedule for HART (Code Hh ) Page 2 EB023B: EVN+MERLIN at 18 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). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Fri 23 May 2003 Day 143 --- Next scan frequencies: 1650.49 1650.49 1658.49 1658.49 Next BBC frequencies: 140.49 140.49 148.49 148.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 15 00 00 J1118+1234 08 54 00 37.8 47.0 -2.4 0.0 0 1 1 0 15 00 00 15 10 00 --- 09 04 02 39.4 44.6 -2.3 0.0 600 F 1 4000 15 11 25 3C270 09 05 27 33.3 63.1 -3.2 0.0 54 1 1 4000 15 11 25 15 33 25 --- 09 27 31 37.6 58.9 -2.9 0.0 1320 F 1 12800 15 33 40 3C270 09 27 46 37.7 58.9 -2.9 0.0 13 1 1 12800 15 33 25 15 44 40 --- 09 38 48 39.8 56.6 -2.7 0.0 660 F 1 17301 15 47 37 OQ208 09 41 45 6.3 54.1 -4.4 D 0.0 122 1 2 17301 15 47 37 15 53 37 --- 09 47 46 7.4 53.4 -4.3 D 0.0 0 R 1 14901 15 56 40 3C270 09 50 50 42.0 54.0 -2.5 0.0 126 1 2 14901 15 56 40 16 18 40 --- 10 12 53 45.9 48.6 -2.1 0.0 1320 R 1 6101 16 19 40 3C270 10 13 54 46.0 48.3 -2.1 0.0 57 1 2 6101 16 19 40 16 34 40 --- 10 28 56 48.5 44.1 -1.8 0.0 900 R 1 101 16 35 40 3C270 10 29 56 48.6 43.9 -1.8 0.0 57 1 3 101 16 35 40 16 57 40 --- 10 52 00 51.8 36.9 -1.5 0.0 1320 F 1 8901 16 58 40 3C270 10 53 00 52.0 36.6 -1.4 0.0 57 1 3 8901 16 58 40 17 19 40 --- 11 14 03 54.5 28.9 -1.1 0.0 1260 F 1 17301 17 22 57 OQ208 11 17 20 22.1 39.8 -2.8 0.0 142 1 4 17301 17 22 57 17 27 57 --- 11 22 21 22.8 38.9 -2.7 0.0 300 R 1 15301 17 31 23 3C270 11 25 48 55.7 24.2 -0.9 0.0 149 1 4 15301 17 31 23 17 47 23 --- 11 41 50 57.0 17.4 -0.6 0.0 960 R 1 8901 17 48 23 3C270 11 42 50 57.1 17.0 -0.6 0.0 57 1 4 8901 17 48 23 18 10 23 --- 12 04 54 58.1 6.9 -0.2 0.0 1320 R 1 101 18 13 25 3C286 12 07 57 30.2 20.8 -1.4 0.0 131 1 5 101 18 13 25 18 18 25 --- 12 12 58 30.6 19.6 -1.3 0.0 300 F 1 2101 18 19 25 OQ208 12 13 58 29.2 28.5 -1.9 0.0 41 1 5 2101 18 19 25 18 24 25 --- 12 18 59 29.8 27.4 -1.8 0.0 300 F 1 4101 Schedule for HART (Code Hh ) Page 3 EB023B: EVN+MERLIN at 18 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). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Fri 23 May 2003 Day 143 --- 18 28 10 3C270 12 22 45 58.3 358.5 0.1 0.0 168 1 5 4101 18 28 10 18 50 10 --- 12 44 48 57.7 348.2 0.4 0.0 1320 F 1 12901 18 51 10 3C270 12 45 49 57.7 347.7 0.4 0.0 57 1 5 12901 18 51 10 19 02 10 --- 12 56 50 57.0 342.8 0.6 0.0 660 F 1 17301 19 05 59 OQ208 13 00 39 33.4 17.5 -1.1 0.0 174 1 6 17301 19 05 59 19 11 59 --- 13 06 40 33.8 16.0 -1.0 0.0 360 R 1 14901 19 18 32 3C270 13 13 15 55.7 335.8 0.9 0.0 334 1 6 14901 19 18 32 19 40 32 --- 13 35 18 53.4 327.2 1.3 0.0 1320 R 1 6101 19 41 32 3C270 13 36 18 53.2 326.9 1.3 0.0 57 1 6 6101 19 41 32 19 56 32 --- 13 51 21 51.3 321.7 1.5 0.0 900 R 1 101 20 00 32 OQ208 13 55 21 35.6 3.2 -0.2 0.0 186 1 7 101 20 00 32 20 05 32 --- 14 00 22 35.6 1.8 -0.1 0.0 300 F 1 2101 20 09 46 3C270 14 04 37 49.3 317.5 1.8 0.0 196 1 7 2101 20 09 46 20 29 46 --- 14 24 40 46.1 311.8 2.1 0.0 1200 F 1 10101 20 30 46 3C270 14 25 40 45.9 311.6 2.1 0.0 57 1 7 10101 20 30 46 20 43 46 --- 14 38 42 43.7 308.3 2.3 0.0 780 F 1 15301 20 47 41 OQ208 14 42 38 35.0 350.5 0.6 0.0 181 1 7 15301 20 47 41 20 52 41 --- 14 47 39 34.8 349.2 0.7 0.0 300 F 1 17301 20 54 04 3C286 14 49 02 30.6 340.5 1.3 0.0 63 1 8 17301 20 54 04 20 59 04 --- 14 54 03 30.2 339.4 1.4 0.0 300 R 1 15301 21 01 48 3C270 14 56 48 40.4 304.1 2.6 0.0 113 1 8 15301 21 01 48 21 21 48 --- 15 16 51 36.6 300.0 3.0 0.0 1200 R 1 7301 21 22 48 3C270 15 17 51 36.4 299.8 3.0 0.0 57 1 8 7301 21 22 48 21 35 48 --- 15 30 53 33.8 297.4 3.2 0.0 780 R 1 2101 21 39 11 OQ208 15 34 17 31.8 337.4 1.5 0.0 149 1 8 2101 21 39 11 21 44 11 --- 15 39 18 31.3 336.2 1.5 0.0 300 R 1 101 21 47 40 3C270 15 42 47 31.4 295.4 3.4 0.0 152 1 9 101 21 47 40 22 07 40 --- 16 02 51 27.3 292.2 3.7 0.0 1200 F 1 8101 22 08 40 3C270 16 03 51 27.1 292.0 3.7 0.0 57 1 9 8101 22 08 40 22 25 40 --- 16 20 54 23.5 289.5 4.0 0.0 1020 F 1 14901 Schedule for HART (Code Hh ) Page 4 EB023B: EVN+MERLIN at 18 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). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Fri 23 May 2003 Day 143 --- 22 28 32 OQ208 16 23 46 26.5 326.5 2.3 0.0 117 1 9 14901 22 28 32 22 34 32 --- 16 29 47 25.8 325.3 2.4 0.0 360 F 1 17301 22 36 12 3C286 16 31 27 19.0 319.8 3.0 0.0 79 1 10 17301 22 36 12 22 42 12 --- 16 37 28 18.2 318.8 3.1 0.0 360 R 1 14901 22 45 10 3C270 16 40 27 19.3 286.8 4.3 0.0 127 1 10 14901 22 45 10 23 07 10 --- 17 02 31 14.5 284.0 4.7 0.0 1320 R 1 6101 23 10 16 OQ208 17 05 36 20.8 318.7 3.0 0.0 131 1 10 6101 23 10 16 23 16 16 --- 17 11 37 19.9 317.6 3.1 0.0 360 R 1 3701 23 19 27 3C270 17 14 49 11.8 282.5 4.9 0.0 134 1 10 3701 23 19 27 23 28 27 --- 17 23 51 9.9 281.5 5.1 0.0 540 R 1 101 23 29 27 3C270 17 24 51 9.6 281.3 5.1 0.0 57 1 11 101 23 29 27 23 51 27 --- 17 46 55 4.8 278.8 5.5 D 0.0 0 F 1 8901 --- Start: Fri 23 May 2003 Day 143 -- Stop: Sat 24 May 2003 Day 144 --- 23 52 27 3C270 17 47 55 4.5 278.7 5.5 D 0.0 57 1 12 8901 23 52 27 00 14 49 --- 18 10 20 -0.5 276.2 5.8 D 0.0 0 R 1 -46 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: v18cm_eb023b.set Matches group hh18cm in /irasoft/sched/catalogs/freq.dat Values confirmed by E-mail Jonathan Quick 291100 (CR) Setup group: 11 Station: HART Total bit rate: 128 Format: MKIV1:4 Bits per sample: 2 Sample rate: 16.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 2.00 Tape speeds: Low density - 135.000 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 1510.00 1510.00 1510.00 1510.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 2 1 4 3 BBC SB= U U U U IF = 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 11 Setup file default. No pcal detection. LO sum= 1650.49 1650.49 1658.49 1658.49 BBC fr= 140.49 140.49 148.49 148.49 Bandwd= 8.000 8.000 8.000 8.000 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off SOURCE LIST -- EB023B: EVN+MERLIN at 18 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) * 3C270 12 16 49.999507 * 12 19 23.211107 12 19 33.385890 06 06 08.67858 * 05 49 29.73937 05 48 25.62407 From catalog imbedded in main SCHED input file. * J1118+1234 11 16 20.775219 * 11 18 57.301441 11 19 07.397457 12 51 06.69006 * 12 34 41.71806 12 33 42.04170 From catalog imbedded in main SCHED input file. J1331+3030 13 28 49.657691 * 13 31 08.287984 13 31 18.160887 1328+307 30 45 58.64021 * 30 30 32.95885 30 29 37.46806 * 3C286 /irasoft/sched/catalogs/sources.vlba J1331+30 VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 J1407+2827 14 04 45.615151 * 14 07 00.394410 14 07 10.123631 1404+286 28 41 29.23495 * 28 27 14.68998 28 26 21.34524 J1407+28 /irasoft/sched/catalogs/sources.vlba * OQ208 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) 3C270 119.6 J1118+1234 103.3 3C286 117.5 OQ208 123.8 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