COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: BE026C - OH 12.8-0.9; dynamical scheduling centered at LST 18.5 Exp. Code: BE026C Schedule Version: 1.00 Processed by SCHED version: NRAO internal release of 4 October 2004 PI: D. Engels Address: Hamburger Sternwarte Gojenbergsweg 112 D-21029 Hamburg, Germany Phone: +49-40-42891 4136 EMAIL: dengels@hs.uni-hamburg.de Fax: +49-40-42891 4198 Phone during observation: +49-40-42891 4136 Observing mode: VLBA Notes: **** VLBA dynamic sched with 128 Mbits/sec **** **** Do NOT substitute PT with Y1 **** Schedule for VLBA_BR (Code Br ) Page 2 BE026C - OH 12.8-0.9; dynamical scheduling centered at LST 18.5 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 9 Jan 2005 Day 9 --- Next scan frequencies: 22236.96 22236.96 Next BBC frequencies: 736.96 736.96 Next scan bandwidths: 8.00 8.00 14 36 33 OH12.8-0.9 13 54 45 1.6 120.1 -4.4 D -37.4 0 1 1 0 14 36 33 14 47 31 --- 14 05 45 3.2 122.2 -4.2 H -36.5 0 F 1 4388 14 47 31 OH12.8-0.9 14 05 45 3.2 122.2 -4.2 H -36.5 -4 1 1 4388 14 47 31 14 58 30 --- 14 16 45 4.8 124.3 -4.0 -35.5 0 F 1 8776 14 58 30 OH12.8-0.9 14 16 45 4.8 124.3 -4.0 -35.5 -4 1 1 8776 14 58 30 15 09 28 --- 14 27 45 6.3 126.5 -3.8 -34.4 654 F 1 13164 15 11 28 J1811-2055 14 29 45 5.1 129.5 -3.7 -33.5 111 1 1 13164 15 11 28 15 22 26 --- 14 40 45 6.4 131.6 -3.5 -32.3 658 F 1 17552 15 22 26 OH12.8-0.9 14 40 45 8.0 129.0 -3.6 -33.1 -9 1 2 17552 15 22 26 15 33 24 --- 14 51 45 9.4 131.3 -3.4 -31.9 649 R 1 13164 15 33 24 OH12.8-0.9 14 51 45 9.4 131.3 -3.4 -31.9 -4 1 2 13164 15 33 24 15 44 22 --- 15 02 45 10.7 133.5 -3.2 -30.6 654 R 1 8776 15 44 22 OH12.8-0.9 15 02 45 10.7 133.5 -3.2 -30.6 -4 1 2 8776 15 44 22 15 55 20 --- 15 13 45 12.0 135.9 -3.1 -29.3 654 R 1 4388 15 55 20 3C345 15 13 45 72.0 109.2 -1.5 -55.1 -126 1 2 4388 15 55 20 16 06 18 --- 15 24 45 73.7 113.5 -1.3 -52.8 532 R 1 0 16 06 18 OH12.8-0.9 15 24 45 13.3 138.2 -2.9 -27.9 -127 1 1 0 16 06 18 16 17 17 --- 15 35 45 14.5 140.6 -2.7 -26.5 531 F 2 4388 16 17 17 OH12.8-0.9 15 35 45 14.5 140.6 -2.7 -26.5 -4 1 1 4388 16 17 17 16 28 15 --- 15 46 45 15.6 143.0 -2.5 -25.0 654 F 2 8776 16 28 15 OH12.8-0.9 15 46 45 15.6 143.0 -2.5 -25.0 -4 1 1 8776 16 28 15 16 39 13 --- 15 57 45 16.7 145.5 -2.3 -23.5 654 F 2 13164 16 39 13 OH12.8-0.9 15 57 45 16.7 145.5 -2.3 -23.5 -4 1 1 13164 16 39 13 16 50 11 --- 16 08 45 17.7 148.0 -2.1 -21.8 654 F 2 17552 16 52 11 J1811-2055 16 10 45 15.9 150.8 -2.0 -20.4 110 1 2 17552 16 52 11 17 03 09 --- 16 21 45 16.7 153.3 -1.8 -18.7 658 R 2 13164 Schedule for VLBA_BR (Code Br ) Page 3 BE026C - OH 12.8-0.9; dynamical scheduling centered at LST 18.5 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 9 Jan 2005 Day 9 --- 17 03 09 OH12.8-0.9 16 21 45 18.8 151.1 -1.9 -19.9 -10 1 2 13164 17 03 09 17 14 07 --- 16 32 45 19.6 153.7 -1.7 -18.2 648 R 2 8776 17 14 07 OH12.8-0.9 16 32 45 19.6 153.7 -1.7 -18.2 -4 1 2 8776 17 14 07 17 25 06 --- 16 43 45 20.4 156.3 -1.6 -16.4 654 R 2 4388 17 25 06 OH12.8-0.9 16 43 45 20.4 156.3 -1.6 -16.4 -4 1 2 4388 17 25 06 17 36 04 --- 16 54 45 21.1 159.0 -1.4 -14.6 654 R 2 0 17 36 04 OH12.8-0.9 16 54 45 21.1 159.0 -1.4 -14.6 -4 1 3 0 17 36 04 17 47 02 --- 17 05 45 21.7 161.8 -1.2 -12.7 654 F 1 4388 17 47 02 OH12.8-0.9 17 05 45 21.7 161.8 -1.2 -12.7 -4 1 3 4388 17 47 02 17 58 00 --- 17 16 45 22.3 164.5 -1.0 -10.8 654 F 1 8776 17 58 00 OH12.8-0.9 17 16 45 22.3 164.5 -1.0 -10.8 -4 1 3 8776 17 58 00 18 08 58 --- 17 27 45 22.7 167.3 -0.8 -8.9 654 F 1 13164 18 08 58 OH12.8-0.9 17 27 45 22.7 167.3 -0.8 -8.9 -4 1 3 13164 18 08 58 18 19 57 --- 17 38 45 23.1 170.1 -0.6 -6.9 654 F 1 17552 18 19 57 OH12.8-0.9 17 38 45 23.1 170.1 -0.6 -6.9 -4 1 4 17552 18 19 57 18 30 55 --- 17 49 45 23.3 172.9 -0.5 -5.0 654 R 1 13164 18 30 55 OH12.8-0.9 17 49 45 23.3 172.9 -0.5 -5.0 -4 1 4 13164 18 30 55 18 41 53 --- 18 00 45 23.5 175.8 -0.3 -3.0 654 R 1 8776 18 43 53 J1811-2055 18 02 45 20.9 177.8 -0.1 -1.5 108 1 4 8776 18 43 53 18 54 51 --- 18 13 45 20.9 180.6 0.0 0.4 658 R 1 4388 18 54 51 OH12.8-0.9 18 13 45 23.6 179.1 -0.1 -0.6 -11 1 4 4388 18 54 51 19 05 49 --- 18 24 45 23.6 182.0 0.1 1.4 647 R 1 0 19 05 49 OH12.8-0.9 18 24 45 23.6 182.0 0.1 1.4 -4 1 3 0 19 05 49 19 16 47 --- 18 35 45 23.5 184.8 0.3 3.4 654 F 2 4388 19 16 47 OH12.8-0.9 18 35 45 23.5 184.8 0.3 3.4 -4 1 3 4388 19 16 47 19 27 45 --- 18 46 45 23.3 187.7 0.5 5.4 654 F 2 8776 19 27 45 OH12.8-0.9 18 46 45 23.3 187.7 0.5 5.4 -4 1 3 8776 19 27 45 19 38 44 --- 18 57 45 23.0 190.5 0.7 7.4 654 F 2 13164 Schedule for VLBA_BR (Code Br ) Page 4 BE026C - OH 12.8-0.9; dynamical scheduling centered at LST 18.5 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 9 Jan 2005 Day 9 --- 19 38 44 OH12.8-0.9 18 57 45 23.0 190.5 0.7 7.4 -4 1 3 13164 19 38 44 19 49 42 --- 19 08 45 22.6 193.3 0.9 9.3 654 F 2 17552 19 49 42 OH12.8-0.9 19 08 45 22.6 193.3 0.9 9.3 -4 1 4 17552 19 49 42 20 00 40 --- 19 19 45 22.2 196.1 1.0 11.2 654 R 2 13164 20 00 40 OH12.8-0.9 19 19 45 22.2 196.1 1.0 11.2 -4 1 4 13164 20 00 40 20 11 38 --- 19 30 45 21.6 198.8 1.2 13.1 654 R 2 8776 20 11 38 OH12.8-0.9 19 30 45 21.6 198.8 1.2 13.1 -4 1 4 8776 20 11 38 20 22 36 --- 19 41 45 21.0 201.5 1.4 15.0 654 R 2 4388 20 24 36 J1811-2055 19 43 45 17.9 202.6 1.5 16.0 108 1 4 4388 20 24 36 20 35 34 --- 19 54 45 17.2 205.2 1.7 17.7 658 R 2 0 20 35 34 OH12.8-0.9 19 54 45 20.1 204.7 1.6 17.1 -12 1 5 0 20 35 34 20 46 32 --- 20 05 45 19.3 207.4 1.8 18.8 646 F 1 4388 20 46 32 OH12.8-0.9 20 05 45 19.3 207.4 1.8 18.8 -4 1 5 4388 20 46 32 20 57 31 --- 20 16 45 18.4 210.0 2.0 20.5 654 F 1 8776 20 57 31 OH12.8-0.9 20 16 45 18.4 210.0 2.0 20.5 -4 1 5 8776 20 57 31 21 08 29 --- 20 27 45 17.5 212.5 2.2 22.2 654 F 1 13164 21 08 29 3C454.3 20 27 45 46.2 124.1 -2.4 -35.1 -65 1 5 13164 21 08 29 21 19 27 --- 20 38 45 47.7 127.3 -2.3 -33.5 593 F 1 17552 21 19 27 OH12.8-0.9 20 38 45 16.5 215.0 2.4 23.8 -68 1 6 17552 21 19 27 21 30 25 --- 20 49 45 15.4 217.5 2.5 25.3 590 R 1 13164 21 30 25 OH12.8-0.9 20 49 45 15.4 217.5 2.5 25.3 -4 1 6 13164 21 30 25 21 41 23 --- 21 00 45 14.2 219.9 2.7 26.8 654 R 1 8776 21 41 23 OH12.8-0.9 21 00 45 14.2 219.9 2.7 26.8 -4 1 6 8776 21 41 23 21 52 22 --- 21 11 45 13.0 222.3 2.9 28.2 654 R 1 4388 21 52 22 J1811-2055 21 11 45 10.0 222.2 3.0 28.7 -12 1 6 4388 21 52 22 22 03 20 --- 21 22 45 8.8 224.5 3.2 30.0 646 R 1 0 22 03 20 OH12.8-0.9 21 22 45 11.8 224.6 3.1 29.6 -12 1 5 0 22 03 20 22 14 18 --- 21 33 45 10.4 226.9 3.3 30.9 646 F 2 4388 Schedule for VLBA_BR (Code Br ) Page 5 BE026C - OH 12.8-0.9; dynamical scheduling centered at LST 18.5 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 9 Jan 2005 Day 9 --- 22 14 18 OH12.8-0.9 21 33 45 10.4 226.9 3.3 30.9 -4 1 5 4388 22 14 18 22 25 16 --- 21 44 45 9.1 229.2 3.5 32.1 654 F 2 8776 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: be026c.set Matches group v1cm_b3 in /home/arana/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 64 Format: VLBA1:4 Bits per sample: 2 Sample rate: 16.000 Number of channels: 2 Passes/head pos: 2 Speedup factor: 2.00 Tape speeds: Low density - 133.330 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 21500.00 21500.00 Net SB= U U Pol. = RCP LCP BBC = 1 2 BBC SB= U U IF = B D VLBA FE= omit 1cm omit 1cm VLBA Synth= 9.1 15.4 12.4 The following frequency sets based on this setup were used. Frequency Set: 1 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 22236.96 22236.96 BBC fr= 736.96 736.96 Bandwd= 8.000 8.000 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, 18 track2= 3, 19 barrel=roll_auto SOURCE LIST -- BE026C - OH 12.8-0.9; dynamical scheduling centered at LST 18.5 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) * J1811-2055 18 08 07.489967 * 18 11 06.800000 18 11 22.897881 -20 55 45.49976 *-20 55 03.44400 -20 55 06.79117 From catalog imbedded in main SCHED input file. Doppler based on other sources. * OH12.8-0.9 18 13 53.325407 * 18 16 49.108000 18 17 04.877839 -18 16 09.01835 *-18 15 01.92000 -18 15 03.25196 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: -58.00 -58.00 J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 07.402129 1641+399 39 54 10.81489 * 39 48 36.99395 39 47 47.57114 * 3C345 /home/arana/cwalker/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report Doppler based on other sources. J2253+1608 22 51 29.519733 * 22 53 57.747932 22 54 11.287301 2251+158 15 52 54.34806 * 16 08 53.56089 16 10 27.46070 * 3C454.3 /home/arana/cwalker/sched/catalogs/sources.vlba J2253+16 ICRF - Ext.1 Source - 1998 IERS Annual Report Doppler based on other sources. 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) J1811-2055 17.1 OH12.8-0.9 16.3 3C345 72.4 3C454.3 63.9 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