COVER INFORMATION Station: VLBA_LA (Code La ) 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_LA (Code La ) 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 16 52 45 IIIZW35 19 08 22 2.8 70.8 -6.6 -53.3 0 1 1 0 16 52 45 17 03 45 --- 19 19 24 4.9 72.4 -6.4 -54.0 660 F 1 3 16 53 08 17 03 45 IIIZW35 19 19 24 4.9 72.4 -6.4 -54.0 -4 1 1 3 17 03 45 17 14 45 --- 19 30 25 7.1 73.9 -6.2 -54.7 656 F 1 5 17 03 45 17 14 45 IIIZW35 19 30 25 7.1 73.9 -6.2 -54.7 -4 1 1 5 17 14 45 17 25 45 --- 19 41 27 9.2 75.5 -6.1 -55.3 656 F 1 8 17 14 45 17 25 45 J0139+1753 19 41 27 10.6 75.5 -6.0 -55.6 -9 1 1 8 17 25 45 17 35 45 =0136+176 19 51 29 12.6 76.8 -5.8 -56.1 591 F 1 10 17 25 45 17 35 45 IIIZW35 19 51 29 11.2 76.8 -5.9 -55.8 -9 1 1 10 17 35 45 17 50 45 --- 20 06 31 14.2 78.9 -5.6 -56.4 891 F 1 14 17 35 45 17 50 45 IIIZW35 20 06 31 14.2 78.9 -5.6 -56.4 -4 1 1 14 17 50 45 18 05 45 --- 20 21 34 17.2 80.9 -5.4 -57.0 896 F 1 18 17 50 45 18 05 45 IIIZW35 20 21 34 17.2 80.9 -5.4 -57.0 -4 1 1 18 18 05 45 18 20 45 --- 20 36 36 20.2 83.0 -5.1 -57.4 896 F 1 21 18 05 45 18 20 45 IIIZW35 20 36 36 20.2 83.0 -5.1 -57.4 -4 1 1 21 18 20 45 18 35 45 --- 20 51 39 23.3 85.1 -4.9 -57.8 896 F 1 25 18 20 45 18 38 30 0234+285 20 54 24 19.4 67.9 -5.7 -59.1 148 1 1 25 18 38 30 18 48 30 --- 21 04 26 21.3 69.0 -5.6 -59.9 600 F 1 27 18 38 53 18 48 30 IIIZW35 21 04 26 25.8 86.9 -4.7 -58.0 -18 1 1 27 18 48 30 19 00 30 --- 21 16 28 28.3 88.6 -4.5 -58.1 702 F 1 30 18 48 30 19 00 30 IIIZW35 21 16 28 28.3 88.6 -4.5 -58.1 -4 1 1 30 19 00 30 19 12 30 --- 21 28 30 30.7 90.3 -4.3 -58.1 716 F 1 33 19 00 30 19 12 30 IIIZW35 21 28 30 30.7 90.3 -4.3 -58.1 -4 1 1 33 19 12 30 19 24 30 --- 21 40 32 33.2 92.1 -4.1 -58.0 716 F 1 36 19 12 30 19 24 45 J0139+1753 21 40 47 34.6 92.1 -4.0 -58.4 6 1 1 36 19 24 30 19 34 45 =0136+176 21 50 48 36.6 93.6 -3.8 -58.3 600 F 1 39 19 24 30 Schedule for VLBA_LA (Code La ) 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 --- 19 35 00 IIIZW35 21 51 03 35.3 93.7 -3.9 -57.9 6 1 1 39 19 34 45 19 50 00 --- 22 06 06 38.3 96.1 -3.6 -57.6 900 F 1 42 19 34 45 19 50 15 IIIZW35 22 06 21 38.4 96.2 -3.6 -57.6 10 1 1 42 19 50 00 20 05 15 --- 22 21 23 41.4 98.7 -3.4 -57.1 900 F 1 46 19 50 00 20 05 30 IIIZW35 22 21 38 41.5 98.7 -3.4 -57.1 10 1 1 46 20 05 15 20 20 30 --- 22 36 41 44.5 101.4 -3.1 -56.3 900 F 1 50 20 05 15 20 20 45 IIIZW35 22 36 56 44.5 101.5 -3.1 -56.3 10 1 1 50 20 20 30 20 35 45 --- 22 51 58 47.5 104.4 -2.9 -55.3 900 F 1 53 20 20 30 20 38 30 0234+285 22 54 44 42.9 81.8 -3.7 -66.5 144 1 1 53 20 38 30 20 48 30 --- 23 04 45 44.9 83.0 -3.6 -66.8 600 F 1 56 20 38 53 20 48 45 IIIZW35 23 05 00 50.0 107.1 -2.7 -54.2 -7 1 1 56 20 48 30 21 04 45 --- 23 21 03 53.1 110.8 -2.4 -52.5 953 F 1 60 20 48 30 21 05 00 IIIZW35 23 21 18 53.2 110.8 -2.4 -52.5 10 1 1 60 21 04 45 21 21 00 --- 23 37 21 56.2 115.0 -2.1 -50.3 960 F 1 64 21 04 45 21 21 15 IIIZW35 23 37 36 56.2 115.0 -2.1 -50.3 10 1 1 64 21 21 00 21 37 15 --- 23 53 38 59.1 119.7 -1.9 -47.5 960 F 1 67 21 21 00 21 37 30 IIIZW35 23 53 53 59.1 119.8 -1.9 -47.4 10 1 1 67 21 37 15 21 53 30 --- 00 09 56 61.9 125.3 -1.6 -43.9 960 F 1 71 21 37 15 21 53 45 IIIZW35 00 10 11 61.9 125.4 -1.6 -43.8 10 1 1 71 21 53 30 22 09 45 --- 00 26 14 64.5 131.7 -1.3 -39.3 960 F 1 75 21 53 30 22 09 45 J0139+1753 00 26 14 65.8 132.7 -1.2 -38.8 -9 1 1 75 22 09 45 22 19 45 =0136+176 00 36 15 67.2 137.4 -1.1 -35.2 591 F 1 78 22 09 45 22 19 45 IIIZW35 00 36 15 65.9 136.2 -1.1 -36.0 -9 1 1 78 22 19 45 22 34 45 --- 00 51 18 67.9 143.9 -0.9 -30.0 891 F 1 81 22 19 45 22 34 45 IIIZW35 00 51 18 67.9 143.9 -0.9 -30.0 -4 1 1 81 22 34 45 22 49 45 --- 01 06 20 69.5 152.8 -0.6 -22.8 896 F 1 85 22 34 45 22 49 45 IIIZW35 01 06 20 69.5 152.8 -0.6 -22.8 -4 1 1 85 22 49 45 23 04 45 --- 01 21 23 70.6 162.8 -0.4 -14.6 896 F 1 89 22 49 45 Schedule for VLBA_LA (Code La ) 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 --- 23 04 45 IIIZW35 01 21 23 70.6 162.8 -0.4 -14.6 -4 1 1 89 23 04 45 23 19 45 --- 01 36 25 71.3 173.6 -0.1 -5.4 896 F 1 92 23 04 45 23 22 30 0234+285 01 39 11 75.7 114.9 -1.0 -57.2 120 1 1 92 23 22 30 23 32 30 --- 01 49 12 77.5 120.3 -0.8 -53.1 600 F 1 95 23 22 53 23 32 30 IIIZW35 01 49 12 71.3 183.2 0.1 2.7 -48 1 1 95 23 32 30 23 47 30 --- 02 04 15 70.9 194.2 0.3 12.0 852 F 1 98 23 32 30 --- Start: Sun 10 Feb 2008 Day 41 -- Stop: Mon 11 Feb 2008 Day 42 --- 23 47 30 IIIZW35 02 04 15 70.9 194.2 0.3 12.0 -4 1 1 98 23 47 30 00 02 30 --- 02 19 17 69.9 204.5 0.6 20.6 896 F 1 102 23 47 30 00 02 30 IIIZW35 02 19 17 69.9 204.5 0.6 20.6 -4 1 1 102 00 02 30 00 17 30 --- 02 34 20 68.4 213.7 0.8 28.1 896 F 1 106 00 02 30 00 17 30 IIIZW35 02 34 20 68.4 213.7 0.8 28.1 -4 1 1 106 00 17 30 00 32 30 --- 02 49 22 66.5 221.7 1.1 34.4 896 F 1 109 00 17 30 00 35 15 J0139+1753 02 52 08 66.1 226.5 1.2 38.2 156 1 1 109 00 35 15 00 45 15 =0136+176 03 02 09 64.6 230.9 1.4 41.4 600 F 1 112 00 35 38 00 45 15 IIIZW35 03 02 09 64.7 227.6 1.3 38.9 -8 1 1 112 00 45 15 00 55 45 --- 03 12 41 63.1 232.0 1.5 42.0 622 F 1 114 00 45 15 00 55 45 IIIZW35 03 12 41 63.1 232.0 1.5 42.0 -4 1 1 114 00 55 45 01 06 15 --- 03 23 13 61.3 235.9 1.6 44.7 626 F 1 117 00 55 45 01 06 15 IIIZW35 03 23 13 61.3 235.9 1.6 44.7 -4 1 1 117 01 06 15 01 16 45 --- 03 33 44 59.5 239.5 1.8 47.0 626 F 1 119 01 06 15 01 19 30 0234+285 03 36 30 75.9 244.6 1.0 56.8 126 1 1 119 01 19 30 01 29 30 --- 03 46 32 74.0 249.1 1.1 59.9 600 F 1 122 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: 5 Station: VLBA_LA 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: 6 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