COVER INFORMATION Station: SHANGHAI (Code Sh ) Experiment: ED023, 1.3cm, MERLIN/EVN on NML Cyg Exp. Code: ED023 Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: P. Diamond Address: MERLIN/VLBI National Facility Jodrell Bank, Macclesfield Cheshire, SK11 9DL England Phone: (+44) (0)1477 572625 EMAIL: pdiamond@jb.man.ac.uk Fax: (+44) (0)1477 571618 Phone during observation: (+44) (0)1477 572625 Observing mode: Notes: BE SURE PULSE CAL IS OFF ON PROGRAM SOURCE. Schedule for SHANGHAI (Code Sh ) Page 2 ED023, 1.3cm, MERLIN/EVN on NML Cyg 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) ---------------------------------------------------------------------------------------- --- Thu 21 Nov 2002 Day 325 --- Next scan frequencies: 22236.61 22236.61 Next BBC frequencies: 636.61 636.61 Next scan bandwidths: 4.00 4.00 09 00 00 3C345 21 05 35 37.0 298.8 4.4 77.7 0 1 1 0 09 00 00 09 11 00 --- 21 16 37 35.0 299.4 4.6 76.2 660 F 1 4400 09 15 00 47UMA 21 20 37 -14.9 340.7 10.4 D 21.8 138 1 1 4400 09 15 00 09 26 00 --- 21 31 39 -15.6 342.8 10.5 D 19.4 0 F 1 8800 09 30 00 47UMA 21 35 40 -15.9 343.5 10.6 D 18.6 237 1 1 8800 09 30 00 09 52 00 --- 21 57 43 -17.1 347.7 11.0 D 13.8 0 F 1 17600 Next scan frequencies: 22233.39 22233.39 Next BBC frequencies: 633.39 633.39 10 00 00 3C345 22 05 45 25.9 302.6 5.4 70.0 388 1 2 17600 10 00 00 10 11 00 --- 22 16 46 23.9 303.4 5.6 68.6 660 R 1 13200 10 15 00 NMLCYG 22 20 47 68.9 301.8 1.6 108.0 88 1 2 13200 10 15 00 10 26 00 --- 22 31 49 66.9 300.3 1.8 104.7 660 R 1 8800 10 30 00 J2002 22 35 50 56.5 310.3 2.6 105.2 204 1 2 8800 10 30 00 10 32 00 --- 22 37 50 56.2 310.2 2.6 104.7 120 R 1 8000 10 32 00 NMLCYG 22 37 50 65.8 299.6 1.9 103.1 -34 1 2 8000 10 32 00 10 52 00 --- 22 57 53 62.0 298.0 2.2 98.4 1166 R 1 0 10 55 00 J2002 23 00 54 52.4 308.8 3.0 99.4 146 1 1 0 10 55 00 10 57 00 --- 23 02 54 52.1 308.7 3.0 98.9 120 F 2 800 10 57 00 NMLCYG 23 02 54 61.1 297.7 2.3 97.4 -32 1 1 800 10 57 00 11 17 00 --- 23 22 57 57.2 297.0 2.6 93.5 1168 F 2 8800 11 20 00 J2002 23 25 58 48.2 308.0 3.4 94.1 148 1 1 8800 11 20 00 11 22 00 --- 23 27 58 47.9 308.0 3.4 93.7 120 F 2 9600 11 22 00 NMLCYG 23 27 58 56.3 296.9 2.7 92.6 -30 1 1 9600 11 22 00 11 42 00 --- 23 48 01 52.4 296.8 3.0 89.3 1170 F 2 17600 11 45 00 J2002 23 51 02 44.0 307.8 3.8 89.4 150 1 2 17600 11 45 00 11 47 00 --- 23 53 02 43.6 307.8 3.8 89.0 120 R 2 16800 Schedule for SHANGHAI (Code Sh ) Page 3 ED023, 1.3cm, MERLIN/EVN on NML Cyg 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) ---------------------------------------------------------------------------------------- --- Thu 21 Nov 2002 Day 325 --- 11 47 00 NMLCYG 23 53 02 51.5 296.8 3.1 88.5 -28 1 2 16800 11 47 00 12 07 00 --- 00 13 06 47.7 297.1 3.4 85.5 1172 R 2 8800 12 10 00 3C345 00 16 06 4.1 315.0 7.6 D 52.1 36 1 2 8800 12 10 00 12 21 00 --- 00 27 08 2.4 316.3 7.7 D 50.4 0 R 2 4400 12 25 00 NMLCYG 00 31 08 44.2 297.6 3.7 83.0 107 1 2 4400 12 25 00 12 36 00 --- 00 42 10 42.1 298.0 3.9 81.5 660 R 2 0 12 40 00 J2002 00 46 11 34.7 308.9 4.7 79.9 213 1 1 0 12 40 00 12 42 00 --- 00 48 11 34.4 309.0 4.8 79.6 120 F 3 800 12 42 00 NMLCYG 00 48 11 41.0 298.2 4.0 80.7 -24 1 1 800 12 42 00 13 02 00 --- 01 08 15 37.2 299.1 4.4 78.0 1176 F 3 8800 13 05 00 J2002 01 11 15 30.5 310.0 5.2 75.9 156 1 1 8800 13 05 00 13 07 00 --- 01 13 15 30.2 310.1 5.2 75.5 120 F 3 9600 13 07 00 NMLCYG 01 13 15 36.3 299.4 4.4 77.3 -23 1 1 9600 13 07 00 13 27 00 --- 01 33 19 32.6 300.5 4.8 74.7 1177 F 3 17600 13 30 00 J2002 01 36 19 26.5 311.3 5.6 71.9 156 1 2 17600 13 30 00 13 32 00 --- 01 38 19 26.2 311.5 5.6 71.6 120 R 3 16800 13 32 00 NMLCYG 01 38 19 31.7 300.8 4.9 74.1 -23 1 2 16800 13 32 00 13 52 00 --- 01 58 23 28.0 302.1 5.2 71.5 1177 R 3 8800 13 55 00 J2002 02 01 23 22.5 312.9 6.0 67.9 156 1 2 8800 13 55 00 13 57 00 --- 02 03 24 22.2 313.1 6.0 67.6 120 R 3 8000 13 57 00 NMLCYG 02 03 24 27.1 302.5 5.3 70.9 -23 1 2 8000 13 57 00 14 17 00 --- 02 23 27 23.5 304.0 5.6 68.3 1177 R 3 0 14 20 00 3C345 02 26 27 -12.3 333.8 9.7 D 29.5 116 1 1 0 14 20 00 14 31 00 --- 02 37 29 -13.3 335.7 9.9 D 27.3 0 F 4 4400 14 45 00 NMLCYG 02 51 31 18.6 306.3 6.1 64.6 779 1 1 4400 14 45 00 14 56 00 --- 03 02 33 16.7 307.2 6.3 63.1 660 F 4 8800 15 00 00 J2002 03 06 34 12.7 318.2 7.1 57.5 216 1 1 8800 15 00 00 15 02 00 --- 03 08 34 12.4 318.4 7.1 57.2 120 F 4 9600 15 02 00 NMLCYG 03 08 34 15.7 307.8 6.4 62.3 -23 1 1 9600 15 02 00 15 22 00 --- 03 28 38 12.3 309.7 6.7 59.5 1177 F 4 17600 Schedule for SHANGHAI (Code Sh ) Page 4 ED023, 1.3cm, MERLIN/EVN on NML Cyg 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) ---------------------------------------------------------------------------------------- --- Thu 21 Nov 2002 Day 325 --- 15 25 00 J2002 03 31 38 9.2 320.7 7.5 53.4 156 1 2 17600 15 25 00 15 27 00 --- 03 33 38 8.9 320.9 7.5 53.0 120 R 4 16800 15 27 00 NMLCYG 03 33 38 11.5 310.2 6.8 58.8 -23 1 2 16800 15 27 00 15 47 00 --- 03 53 42 8.3 312.3 7.1 55.9 1177 R 4 8800 15 50 00 J2002 03 56 42 5.9 323.3 7.9 49.1 156 1 2 8800 15 50 00 15 52 00 --- 03 58 42 5.7 323.6 7.9 48.7 120 R 4 8000 15 52 00 NMLCYG 03 58 42 7.5 312.8 7.2 55.2 -23 1 2 8000 15 52 00 16 12 00 --- 04 18 46 4.4 315.1 7.5 D 52.2 0 R 4 0 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: ed023.set Matches group sh1cm in /usr/local/vlbi_sched/catalogs/freq.dat From Porcas, from Huang Xinyong 231198 Setup group: 8 Station: SHANGHAI Total bit rate: 32 Format: MKIV1:2 Bits per sample: 2 Sample rate: 8.000 Number of channels: 2 Passes/head pos: 4 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= 21600.00 21600.00 Net SB= U U Pol. = RCP LCP BBC = 1 2 BBC SB= U U IF = C A The following frequency sets based on this setup were used. Frequency Set: 8 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 22236.61 22236.61 BBC fr= 636.61 636.61 Bandwd= 4.000 4.000 Frequency Set: 16 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 22233.39 22233.39 BBC fr= 633.39 633.39 Bandwd= 4.000 4.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 OFF OFF OFF OFF OFF OFF PCALXB2= M1 M2 OFF OFF OFF OFF OFF OFF PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 10 track2= 18, 26 track3= 3, 11 track4= 19, 27 barrel=roll_off SOURCE LIST -- ED023, 1.3cm, MERLIN/EVN on NML Cyg 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) * NMLCYG * 20 44 33.870000 20 46 25.556902 20 46 30.516281 * 39 55 56.90000 40 06 59.19147 40 07 46.30657 From catalog imbedded in main SCHED input file. * UPSAND 01 33 50.346506 * 01 36 47.800000 01 36 58.119544 41 09 03.19564 * 41 24 19.70000 41 25 18.68875 From catalog imbedded in main SCHED input file. * 47UMA 10 56 38.948749 * 10 59 27.970000 10 59 36.295014 40 41 54.43095 * 40 25 48.90000 40 24 50.85473 From catalog imbedded in main SCHED input file. * 4C39.25 09 23 55.319079 * 09 27 03.013800 09 27 12.957006 39 15 23.56559 * 39 02 20.85100 39 01 33.30849 From catalog imbedded in main SCHED input file. * 3C345 16 41 17.606162 * 16 42 58.809900 16 43 02.267768 39 54 10.81394 * 39 48 36.99300 39 48 22.66877 From catalog imbedded in main SCHED input file. * J2002 20 00 39.216114 * 20 02 10.418300 20 02 13.907380 47 17 02.42379 * 47 25 28.77300 47 26 07.75281 From catalog imbedded in main SCHED input file. 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) NMLCYG 91.7 UPSAND 145.0 47UMA 90.0 4C39.25 106.3 3C345 61.2 J2002 88.2 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