COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: BR125B - VLBA+Y27+GBT+Ar 1667MHz obs of OHM IIIZw35 Exp. Code: BR125B Schedule Version: 3.00 Processed by SCHED version: 6.05 June 2006 PI: Tim Robishaw Address: 601 Campbell Hall University of California Berkeley CA 94720 Phone: (510) 643 8530 (work); (510) 655 9188 (home) EMAIL: robishaw@astro.berkeley.edu Fax: (510) 642 3411 Phone during observation: (510) 421 3630 Observing mode: HSA 16-2-2 18cm spectral line observations Notes: Schedule for VLBA_NL (Code Nl ) Page 2 BR125B - VLBA+Y27+GBT+Ar 1667MHz obs of OHM IIIZw35 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 10 Feb 2008 Day 41 --- Next scan frequencies: 1621.45 1621.45 1623.44 1623.44 Next BBC frequencies: 778.55 778.55 776.56 776.56 Next scan bandwidths: 2.00 2.00 2.00 2.00 15 30 00 J0139+1753 18 44 04 1.9 67.5 -6.9 D -46.4 0 1 1 0 15 30 00 15 40 00 =0136+176 18 54 06 3.6 69.1 -6.8 -47.1 0 F 1 2 15 30 23 15 40 00 IIIZW35 18 54 06 2.3 68.9 -6.8 -46.7 -9 1 1 2 15 40 00 15 55 00 --- 19 09 08 4.9 71.3 -6.6 -47.7 891 F 1 6 15 40 00 15 55 00 IIIZW35 19 09 08 4.9 71.3 -6.6 -47.7 -4 1 1 6 15 55 00 16 10 00 --- 19 24 11 7.6 73.7 -6.3 -48.5 896 F 1 10 15 55 00 16 10 00 IIIZW35 19 24 11 7.6 73.7 -6.3 -48.5 -4 1 1 10 16 10 00 16 25 00 --- 19 39 13 10.3 76.1 -6.1 -49.3 896 F 1 13 16 10 00 16 25 00 IIIZW35 19 39 13 10.3 76.1 -6.1 -49.3 -4 1 1 13 16 25 00 16 40 00 --- 19 54 16 13.0 78.5 -5.8 -49.9 896 F 1 17 16 25 00 16 42 45 0234+285 19 57 01 11.8 61.7 -6.7 -48.5 148 1 1 17 16 42 45 16 52 45 --- 20 07 03 13.4 63.2 -6.5 -49.4 600 F 1 19 16 43 08 16 52 45 IIIZW35 20 07 03 15.4 80.5 -5.6 -50.3 -18 1 1 19 16 52 45 17 03 45 --- 20 18 05 17.4 82.3 -5.4 -50.7 642 F 1 22 16 52 45 17 03 45 IIIZW35 20 18 05 17.4 82.3 -5.4 -50.7 -4 1 1 22 17 03 45 17 14 45 --- 20 29 06 19.4 84.0 -5.3 -50.9 656 F 1 25 17 03 45 17 14 45 IIIZW35 20 29 06 19.4 84.0 -5.3 -50.9 -4 1 1 25 17 14 45 17 25 45 --- 20 40 08 21.5 85.8 -5.1 -51.1 656 F 1 27 17 14 45 17 25 45 J0139+1753 20 40 08 22.9 85.9 -5.0 -51.4 -9 1 1 27 17 25 45 17 35 45 =0136+176 20 50 10 24.7 87.5 -4.8 -51.5 591 F 1 30 17 25 45 17 35 45 IIIZW35 20 50 10 23.4 87.4 -4.9 -51.2 -9 1 1 30 17 35 45 17 50 45 --- 21 05 12 26.2 89.9 -4.7 -51.3 891 F 1 33 17 35 45 17 50 45 IIIZW35 21 05 12 26.2 89.9 -4.7 -51.3 -4 1 1 33 17 50 45 18 05 45 --- 21 20 15 29.0 92.4 -4.4 -51.2 896 F 1 37 17 50 45 18 05 45 IIIZW35 21 20 15 29.0 92.4 -4.4 -51.2 -4 1 1 37 18 05 45 18 20 45 --- 21 35 17 31.8 95.1 -4.2 -51.0 896 F 1 41 18 05 45 Schedule for VLBA_NL (Code Nl ) Page 3 BR125B - VLBA+Y27+GBT+Ar 1667MHz obs of OHM IIIZw35 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 10 Feb 2008 Day 41 --- 18 20 45 IIIZW35 21 35 17 31.8 95.1 -4.2 -51.0 -4 1 1 41 18 20 45 18 35 45 --- 21 50 20 34.5 97.8 -3.9 -50.7 896 F 1 44 18 20 45 18 38 30 0234+285 21 53 05 32.0 78.2 -4.8 -56.5 146 1 1 44 18 38 30 18 48 30 --- 22 03 07 33.9 79.7 -4.6 -56.9 600 F 1 47 18 38 53 18 48 30 IIIZW35 22 03 07 36.9 100.2 -3.7 -50.2 -20 1 1 47 18 48 30 19 00 30 --- 22 15 09 39.1 102.5 -3.5 -49.6 700 F 1 50 18 48 30 19 00 30 IIIZW35 22 15 09 39.1 102.5 -3.5 -49.6 -4 1 1 50 19 00 30 19 12 30 --- 22 27 11 41.3 105.0 -3.3 -48.9 716 F 1 52 19 00 30 19 12 30 IIIZW35 22 27 11 41.3 105.0 -3.3 -48.9 -4 1 1 52 19 12 30 19 24 30 --- 22 39 13 43.4 107.5 -3.1 -48.1 716 F 1 55 19 12 30 19 24 45 J0139+1753 22 39 28 44.9 107.8 -3.0 -48.3 6 1 1 55 19 24 30 19 34 45 =0136+176 22 49 29 46.6 110.1 -2.8 -47.4 600 F 1 58 19 24 30 19 35 00 IIIZW35 22 49 45 45.3 109.9 -2.9 -47.2 6 1 1 58 19 34 45 19 50 00 --- 23 04 47 47.9 113.5 -2.7 -45.7 900 F 1 62 19 34 45 19 50 15 IIIZW35 23 05 02 47.9 113.6 -2.7 -45.7 10 1 1 62 19 50 00 20 05 15 --- 23 20 04 50.5 117.5 -2.4 -43.8 900 F 1 65 19 50 00 20 05 30 IIIZW35 23 20 20 50.5 117.6 -2.4 -43.8 10 1 1 65 20 05 15 20 20 30 --- 23 35 22 53.0 121.8 -2.2 -41.5 900 F 1 69 20 05 15 20 20 45 IIIZW35 23 35 37 53.0 121.9 -2.2 -41.5 10 1 1 69 20 20 30 20 35 45 --- 23 50 39 55.3 126.6 -1.9 -38.8 900 F 1 73 20 20 30 20 38 30 0234+285 23 53 25 54.4 97.8 -2.7 -57.5 140 1 1 73 20 38 30 20 48 30 --- 00 03 27 56.2 99.9 -2.6 -57.0 600 F 1 75 20 38 53 20 48 45 IIIZW35 00 03 42 57.2 131.0 -1.7 -36.1 -12 1 1 75 20 48 30 21 04 45 --- 00 19 44 59.4 137.1 -1.4 -32.1 948 F 1 79 20 48 30 21 05 00 IIIZW35 00 19 59 59.4 137.2 -1.4 -32.0 10 1 1 79 21 04 45 21 21 00 --- 00 36 02 61.3 143.9 -1.1 -27.4 960 F 1 83 21 04 45 21 21 15 IIIZW35 00 36 17 61.3 144.0 -1.1 -27.3 10 1 1 83 21 21 00 21 37 15 --- 00 52 20 62.9 151.5 -0.9 -21.9 960 F 1 87 21 21 00 Schedule for VLBA_NL (Code Nl ) Page 4 BR125B - VLBA+Y27+GBT+Ar 1667MHz obs of OHM IIIZw35 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 10 Feb 2008 Day 41 --- 21 37 30 IIIZW35 00 52 35 62.9 151.6 -0.9 -21.8 10 1 1 87 21 37 15 21 53 30 --- 01 08 37 64.2 159.7 -0.6 -15.7 960 F 1 91 21 37 15 21 53 45 IIIZW35 01 08 52 64.2 159.9 -0.6 -15.6 10 1 1 91 21 53 30 22 09 45 --- 01 24 55 65.0 168.6 -0.3 -8.9 960 F 1 95 21 53 30 22 09 45 J0139+1753 01 24 55 65.9 171.1 -0.3 -7.0 -8 1 1 95 22 09 45 22 19 45 =0136+176 01 34 57 66.1 176.9 -0.1 -2.4 592 F 1 97 22 09 45 22 19 45 IIIZW35 01 34 57 65.3 174.3 -0.2 -4.5 -8 1 1 97 22 19 45 22 34 45 --- 01 49 59 65.3 182.9 0.1 2.3 892 F 1 101 22 19 45 22 34 45 IIIZW35 01 49 59 65.3 182.9 0.1 2.3 -4 1 1 101 22 34 45 22 49 45 --- 02 05 01 65.0 191.4 0.3 8.9 896 F 1 104 22 34 45 22 49 45 IIIZW35 02 05 01 65.0 191.4 0.3 8.9 -4 1 1 104 22 49 45 23 04 45 --- 02 20 04 64.2 199.6 0.6 15.2 896 F 1 108 22 49 45 23 04 45 IIIZW35 02 20 04 64.2 199.6 0.6 15.2 -4 1 1 108 23 04 45 23 19 45 --- 02 35 06 63.1 207.3 0.8 21.0 896 F 1 112 23 04 45 23 22 30 0234+285 02 37 52 77.1 179.5 0.0 -0.4 131 1 1 112 23 22 30 23 32 30 --- 02 47 54 76.9 189.3 0.2 7.9 600 F 1 114 23 22 53 23 32 30 IIIZW35 02 47 54 61.9 213.4 1.0 25.5 -36 1 1 114 23 32 30 23 47 30 --- 03 02 56 60.2 220.0 1.3 30.1 864 F 1 118 23 32 30 --- Start: Sun 10 Feb 2008 Day 41 -- Stop: Mon 11 Feb 2008 Day 42 --- 23 47 30 IIIZW35 03 02 56 60.2 220.0 1.3 30.1 -4 1 1 118 23 47 30 00 02 30 --- 03 17 58 58.3 226.0 1.6 34.1 896 F 1 121 23 47 30 00 02 30 IIIZW35 03 17 58 58.3 226.0 1.6 34.1 -4 1 1 121 00 02 30 00 17 30 --- 03 33 01 56.2 231.3 1.8 37.6 896 F 1 125 00 02 30 00 17 30 IIIZW35 03 33 01 56.2 231.3 1.8 37.6 -4 1 1 125 00 17 30 00 32 30 --- 03 48 03 54.0 236.2 2.1 40.4 896 F 1 129 00 17 30 00 35 15 J0139+1753 03 50 49 53.4 239.4 2.2 42.4 157 1 1 129 00 35 15 00 45 15 =0136+176 04 00 50 51.7 242.2 2.3 43.9 600 F 1 131 00 35 38 00 45 15 IIIZW35 04 00 50 51.9 240.0 2.3 42.5 -7 1 1 131 00 45 15 00 55 45 --- 04 11 22 50.2 242.9 2.4 44.0 623 F 1 134 00 45 15 Schedule for VLBA_NL (Code Nl ) Page 5 BR125B - VLBA+Y27+GBT+Ar 1667MHz obs of OHM IIIZw35 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Mon 11 Feb 2008 Day 42 --- 00 55 45 IIIZW35 04 11 22 50.2 242.9 2.4 44.0 -4 1 1 134 00 55 45 01 06 15 --- 04 21 54 48.4 245.7 2.6 45.3 626 F 1 136 00 55 45 01 06 15 IIIZW35 04 21 54 48.4 245.7 2.6 45.3 -4 1 1 136 01 06 15 01 16 45 --- 04 32 26 46.6 248.3 2.8 46.5 626 F 1 139 01 06 15 01 19 30 0234+285 04 35 11 63.1 250.7 1.9 53.5 126 1 1 139 01 19 30 01 29 30 --- 04 45 13 61.3 253.5 2.1 54.7 600 F 1 141 01 19 53 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: ohmm.set Matches group v20cm_2 in /home/arana/cwalker/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 3 Station: VLBA_NL Total bit rate: 32 Format: VLBA1:1 Bits per sample: 2 Sample rate: 4.000 Number of channels: 4 Speedup factor: 2.00 Disk used to record data. 1st LO= 2400.00 2400.00 2400.00 2400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= L L L L IF = A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 3 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 1621.45 1621.45 1623.44 1623.44 BBC fr= 778.55 778.55 776.56 776.56 Bandwd= 2.000 2.000 2.000 2.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 OFF OFF OFF OFF PCALXB2= M1 M2 M3 M4 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, 6, 10, 14 barrel=roll_off SOURCE LIST -- BR125B - VLBA+Y27+GBT+Ar 1667MHz obs of OHM IIIZw35 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) Error (B1950) (J2000) (Date) (mas) * IIIZW35 01 41 47.907196 * 01 44 30.540000 01 44 56.944974 0.00 16 51 06.34230 * 17 06 08.60000 17 08 40.93356 0.00 From catalog imbedded in main SCHED input file. Doppler based on heliocentric frame and optical definition. Velocities: 8270.00 8270.00 8270.00 8270.00 8.008 scan hours, 422.407 baseline hours above horizon. * J0139+1753 01 36 59.316870 * 01 39 41.979199 01 40 08.352066 0.70 0136+176 17 37 56.34640 * 17 53 07.54907 17 55 41.45661 0.88 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 0.833 scan hours, 38.965 baseline hours above horizon. J0237+2848 02 34 55.589592 * 02 37 52.405679 02 38 21.401496 0.23 * 0234+285 28 35 11.40780 * 28 48 08.99005 28 50 26.41686 0.40 J0237+28 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 0.833 scan hours, 40.911 baseline hours above horizon. 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) IIIZW35 69.1 J0139+1753 68.4 0234+285 84.9 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