COVER INFORMATION Station: SHANGHAI (Code Sh ) 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 SHANGHAI (Code Sh ) 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: 549.51 549.51 541.51 541.51 Next scan bandwidths: 8.00 8.00 8.00 8.00 15 00 00 J1118+1234 15 08 04 34.4 264.0 3.8 60.7 0 1 1 0 15 00 00 15 10 00 --- 15 18 05 32.2 265.4 4.0 61.0 600 F 1 4000 15 11 25 3C270 15 19 31 40.9 248.5 3.0 53.2 49 1 1 4000 15 11 25 15 33 25 --- 15 41 34 36.4 252.6 3.4 55.2 1320 F 1 12800 15 33 40 3C270 15 41 49 36.4 252.7 3.4 55.2 13 1 1 12800 15 33 25 15 44 40 --- 15 52 51 34.1 254.6 3.6 56.1 660 F 1 17301 15 47 37 OQ208 15 55 48 66.3 270.5 1.8 76.8 67 1 2 17301 15 47 37 15 53 37 --- 16 01 49 65.0 271.3 1.9 76.8 360 R 1 14901 15 56 40 3C270 16 04 53 31.6 256.5 3.8 56.8 70 1 2 14901 15 56 40 16 18 40 --- 16 26 57 27.0 259.9 4.1 57.9 1320 R 1 6101 16 19 40 3C270 16 27 57 26.8 260.1 4.1 58.0 57 1 2 6101 16 19 40 16 34 40 --- 16 42 59 23.6 262.3 4.4 58.5 900 R 1 101 16 35 40 3C270 16 44 00 23.4 262.4 4.4 58.6 57 1 3 101 16 35 40 16 57 40 --- 17 06 03 18.7 265.4 4.8 59.1 1320 F 1 8901 16 58 40 3C270 17 07 03 18.5 265.6 4.8 59.1 57 1 3 8901 16 58 40 17 19 40 --- 17 28 07 14.0 268.4 5.1 59.4 1260 F 1 17301 17 22 57 OQ208 17 31 24 46.0 280.1 3.4 73.5 88 1 4 17301 17 22 57 17 27 57 --- 17 36 24 44.9 280.6 3.5 73.2 300 R 1 15301 17 31 23 3C270 17 39 51 11.5 269.9 5.3 59.4 93 1 4 15301 17 31 23 17 47 23 --- 17 55 54 8.1 271.9 5.6 59.3 960 R 1 8901 17 48 23 3C270 17 56 54 7.8 272.1 5.6 59.3 57 1 4 8901 17 48 23 18 10 23 --- 18 18 57 3.1 274.9 6.0 D 59.0 0 R 1 101 18 13 25 3C286 18 22 00 28.8 290.2 4.8 68.9 101 1 5 101 18 13 25 18 18 25 --- 18 27 01 27.8 290.6 4.9 68.5 300 F 1 2101 18 19 25 OQ208 18 28 01 34.2 285.2 4.3 70.0 37 1 5 2101 18 19 25 18 24 25 --- 18 33 02 33.1 285.7 4.4 69.6 300 F 1 4101 Schedule for SHANGHAI (Code Sh ) 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 18 36 48 -0.7 277.2 6.3 D 58.6 130 1 5 4101 18 28 10 18 50 10 --- 18 58 52 -5.3 280.1 6.7 D 57.9 0 F 1 12901 18 51 10 3C270 18 59 52 -5.6 280.2 6.7 D 57.9 58 1 5 12901 18 51 10 19 02 10 --- 19 10 54 -7.9 281.7 6.9 D 57.4 0 F 1 17301 19 05 59 OQ208 19 14 43 24.6 289.6 5.1 66.6 161 1 6 17301 19 05 59 19 11 59 --- 19 20 44 23.4 290.2 5.2 66.1 360 R 1 14901 19 18 32 3C270 19 27 18 -11.3 283.9 7.1 D 56.6 330 1 6 14901 19 18 32 19 40 32 --- 19 49 22 -15.8 287.1 7.5 D 55.3 0 R 1 6101 19 41 32 3C270 19 50 22 -16.1 287.2 7.5 D 55.3 58 1 6 6101 19 41 32 19 56 32 --- 20 05 24 -19.1 289.5 7.8 D 54.2 0 R 1 101 20 00 32 OQ208 20 09 25 13.8 295.1 6.0 61.8 208 1 7 101 20 00 32 20 05 32 --- 20 14 26 12.8 295.7 6.1 61.4 300 F 1 2101 20 09 46 3C270 20 18 40 -21.8 291.6 8.0 D 53.2 226 1 7 2101 20 09 46 20 29 46 --- 20 38 44 -25.7 294.9 8.3 D 51.3 0 F 1 10101 20 30 46 3C270 20 39 44 -25.9 295.1 8.3 D 51.2 58 1 7 10101 20 30 46 20 43 46 --- 20 52 46 -28.4 297.4 8.6 D 49.8 0 F 1 15301 20 47 41 OQ208 20 56 41 4.9 300.5 6.8 D 57.1 227 1 7 15301 20 47 41 20 52 41 --- 21 01 42 3.9 301.1 6.9 D 56.5 0 F 1 17301 20 54 04 3C286 21 03 06 -1.5 307.5 7.5 D 52.1 69 1 8 17301 20 54 04 20 59 04 --- 21 08 07 -2.3 308.1 7.6 D 51.4 0 R 1 15301 21 01 48 3C270 21 10 51 -31.8 300.9 8.9 D 47.6 148 1 8 15301 21 01 48 21 21 48 --- 21 30 55 -35.4 305.0 9.2 D 44.8 0 R 1 7301 21 22 48 3C270 21 31 55 -35.6 305.2 9.2 D 44.7 58 1 8 7301 21 22 48 21 35 48 --- 21 44 57 -37.8 308.1 9.4 D 42.6 0 R 1 2101 21 39 11 OQ208 21 48 20 -4.3 307.1 7.7 D 50.9 199 1 8 2101 21 39 11 21 44 11 --- 21 53 21 -5.2 307.8 7.8 D 50.3 0 R 1 101 21 47 40 3C270 21 56 51 -39.8 311.0 9.6 D 40.5 201 1 9 101 21 47 40 22 07 40 --- 22 16 54 -42.9 316.2 10.0 D 36.6 0 F 1 8101 22 08 40 3C270 22 17 54 -43.0 316.5 10.0 D 36.4 57 1 9 8101 22 08 40 22 25 40 --- 22 34 57 -45.4 321.3 10.3 D 32.5 0 F 1 14901 Schedule for SHANGHAI (Code Sh ) 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 22 37 49 -12.4 314.6 8.5 D 43.9 156 1 9 14901 22 28 32 22 34 32 --- 22 43 50 -13.3 315.5 8.6 D 43.0 0 F 1 17301 22 36 12 3C286 22 45 30 -16.9 323.4 9.2 D 36.3 82 1 10 17301 22 36 12 22 42 12 --- 22 51 31 -17.7 324.5 9.3 D 35.2 0 R 1 14901 22 45 10 3C270 22 54 30 -47.9 327.5 10.6 D 27.6 171 1 10 14901 22 45 10 23 07 10 --- 23 16 34 -50.1 335.1 11.0 D 21.3 0 R 1 6101 23 10 16 OQ208 23 19 40 -18.3 321.8 9.2 D 37.0 157 1 10 6101 23 10 16 23 16 16 --- 23 25 41 -19.1 322.9 9.3 D 35.9 0 R 1 3701 23 19 27 3C270 23 28 53 -51.2 339.6 11.2 D 17.4 156 1 10 3701 23 19 27 23 28 27 --- 23 37 54 -51.8 343.1 11.3 D 14.5 0 R 1 101 23 29 27 3C270 23 38 54 -51.8 343.5 11.3 D 14.2 57 1 11 101 23 29 27 23 51 27 --- 00 00 58 -52.8 352.3 11.7 D 6.6 0 F 1 8901 --- Start: Fri 23 May 2003 Day 143 -- Stop: Sat 24 May 2003 Day 144 --- 23 52 27 3C270 00 01 58 -52.9 352.7 11.7 D 6.2 57 1 12 8901 23 52 27 00 14 49 --- 00 24 24 -53.1 362.0-11.9 D -1.7 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 sh18cm in /irasoft/sched/catalogs/freq.dat Huang Xinyong 170300, dual pol but narrow(?) Setup group: 10 Station: SHANGHAI 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= 2200.00 2200.00 2200.00 2200.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= L L L L IF = C A C A The following frequency sets based on this setup were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 LO sum= 1650.49 1650.49 1658.49 1658.49 BBC fr= 549.51 549.51 541.51 541.51 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_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