COVER INFORMATION Station: VLBA_FD (Code Fd ) 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_FD (Code Fd ) 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 17 34 3.0 71.8 -6.5 H -58.8 0 1 1 0 16 52 45 17 03 45 --- 19 28 36 5.3 73.2 -6.3 -59.5 0 F 1 3 16 53 08 17 03 45 IIIZW35 19 28 36 5.3 73.2 -6.3 -59.5 -4 1 1 3 17 03 45 17 14 45 --- 19 39 37 7.5 74.5 -6.1 -60.2 656 F 1 5 17 03 45 17 14 45 IIIZW35 19 39 37 7.5 74.5 -6.1 -60.2 -4 1 1 5 17 14 45 17 25 45 --- 19 50 39 9.8 75.8 -5.9 -60.8 656 F 1 8 17 14 45 17 25 45 J0139+1753 19 50 39 11.2 75.7 -5.8 -61.2 -9 1 1 8 17 25 45 17 35 45 =0136+176 20 00 41 13.3 76.8 -5.7 -61.7 591 F 1 10 17 25 45 17 35 45 IIIZW35 20 00 41 11.9 77.0 -5.7 -61.3 -9 1 1 10 17 35 45 17 50 45 --- 20 15 43 15.1 78.7 -5.5 -62.0 891 F 1 14 17 35 45 17 50 45 IIIZW35 20 15 43 15.1 78.7 -5.5 -62.0 -4 1 1 14 17 50 45 18 05 45 --- 20 30 46 18.3 80.5 -5.2 -62.6 896 F 1 18 17 50 45 18 05 45 IIIZW35 20 30 46 18.3 80.5 -5.2 -62.6 -4 1 1 18 18 05 45 18 20 45 --- 20 45 48 21.5 82.2 -5.0 -63.1 896 F 1 21 18 05 45 18 20 45 IIIZW35 20 45 48 21.5 82.2 -5.0 -63.1 -4 1 1 21 18 20 45 18 35 45 --- 21 00 51 24.7 84.0 -4.7 -63.6 896 F 1 25 18 20 45 18 38 30 0234+285 21 03 36 19.2 67.2 -5.6 -64.9 148 1 1 25 18 38 30 18 48 30 --- 21 13 38 21.2 68.2 -5.4 -65.8 600 F 1 27 18 38 53 18 48 30 IIIZW35 21 13 38 27.4 85.5 -4.5 -63.9 -18 1 1 27 18 48 30 19 00 30 --- 21 25 40 30.0 86.9 -4.3 -64.0 702 F 1 30 18 48 30 19 00 30 IIIZW35 21 25 40 30.0 86.9 -4.3 -64.0 -4 1 1 30 19 00 30 19 12 30 --- 21 37 42 32.6 88.4 -4.1 -64.2 716 F 1 33 19 00 30 19 12 30 IIIZW35 21 37 42 32.6 88.4 -4.1 -64.2 -4 1 1 33 19 12 30 19 24 30 --- 21 49 44 35.2 89.9 -3.9 -64.2 716 F 1 36 19 12 30 19 24 45 J0139+1753 21 49 59 36.6 89.7 -3.8 -64.7 6 1 1 36 19 24 30 19 34 45 =0136+176 22 00 00 38.8 91.0 -3.7 -64.7 600 F 1 39 19 24 30 Schedule for VLBA_FD (Code Fd ) 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 22 00 16 37.4 91.3 -3.7 -64.2 6 1 1 39 19 34 45 19 50 00 --- 22 15 18 40.7 93.3 -3.5 -64.0 900 F 1 42 19 34 45 19 50 15 IIIZW35 22 15 33 40.7 93.3 -3.5 -64.0 10 1 1 42 19 50 00 20 05 15 --- 22 30 36 44.0 95.5 -3.2 -63.7 900 F 1 46 19 50 00 20 05 30 IIIZW35 22 30 51 44.0 95.5 -3.2 -63.7 10 1 1 46 20 05 15 20 20 30 --- 22 45 53 47.2 97.8 -3.0 -63.1 900 F 1 50 20 05 15 20 20 45 IIIZW35 22 46 08 47.3 97.8 -3.0 -63.1 10 1 1 50 20 20 30 20 35 45 --- 23 01 11 50.5 100.3 -2.7 -62.4 900 F 1 53 20 20 30 20 38 30 0234+285 23 03 56 43.9 78.0 -3.6 -73.9 144 1 1 53 20 38 30 20 48 30 --- 23 13 58 46.0 78.8 -3.4 -74.5 600 F 1 56 20 38 53 20 48 45 IIIZW35 23 14 13 53.2 102.7 -2.5 -61.4 -7 1 1 56 20 48 30 21 04 45 --- 23 30 15 56.6 106.0 -2.2 -60.0 953 F 1 60 20 48 30 21 05 00 IIIZW35 23 30 30 56.6 106.0 -2.2 -59.9 10 1 1 60 21 04 45 21 21 00 --- 23 46 33 59.9 109.8 -2.0 -57.9 960 F 1 64 21 04 45 21 21 15 IIIZW35 23 46 48 59.9 109.8 -2.0 -57.9 10 1 1 64 21 21 00 21 37 15 --- 00 02 51 63.1 114.3 -1.7 -55.2 960 F 1 67 21 21 00 21 37 30 IIIZW35 00 03 06 63.2 114.4 -1.7 -55.1 10 1 1 67 21 37 15 21 53 30 --- 00 19 08 66.3 119.7 -1.4 -51.4 960 F 1 71 21 37 15 21 53 45 IIIZW35 00 19 23 66.3 119.8 -1.4 -51.4 10 1 1 71 21 53 30 22 09 45 --- 00 35 26 69.2 126.5 -1.2 -46.4 960 F 1 75 21 53 30 22 09 45 J0139+1753 00 35 26 70.6 127.1 -1.1 -46.1 -9 1 1 75 22 09 45 22 19 45 =0136+176 00 45 28 72.2 132.5 -0.9 -41.8 591 F 1 78 22 09 45 22 19 45 IIIZW35 00 45 28 70.9 131.5 -1.0 -42.4 -9 1 1 78 22 19 45 22 34 45 --- 01 00 30 73.1 140.6 -0.7 -34.9 891 F 1 81 22 19 45 22 34 45 IIIZW35 01 00 30 73.1 140.6 -0.7 -34.9 -4 1 1 81 22 34 45 22 49 45 --- 01 15 33 74.9 151.9 -0.5 -25.1 896 F 1 85 22 34 45 22 49 45 IIIZW35 01 15 33 74.9 151.9 -0.5 -25.1 -4 1 1 85 22 49 45 23 04 45 --- 01 30 35 76.1 165.6 -0.2 -13.0 896 F 1 89 22 49 45 Schedule for VLBA_FD (Code Fd ) 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 30 35 76.1 165.6 -0.2 -13.0 -4 1 1 89 23 04 45 23 19 45 --- 01 45 37 76.5 180.7 0.0 0.6 896 F 1 92 23 04 45 23 22 30 0234+285 01 48 23 79.0 96.2 -0.8 -77.5 103 1 1 92 23 22 30 23 32 30 --- 01 58 25 81.1 99.2 -0.7 -75.9 600 F 1 95 23 22 53 23 32 30 IIIZW35 01 58 25 76.2 193.6 0.2 12.2 -69 1 1 95 23 32 30 23 47 30 --- 02 13 27 75.0 207.3 0.5 24.4 831 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 13 27 75.0 207.3 0.5 24.4 -4 1 1 98 23 47 30 00 02 30 --- 02 28 29 73.3 218.8 0.7 34.3 896 F 1 102 23 47 30 00 02 30 IIIZW35 02 28 29 73.3 218.8 0.7 34.3 -4 1 1 102 00 02 30 00 17 30 --- 02 43 32 71.0 228.0 1.0 42.0 896 F 1 106 00 02 30 00 17 30 IIIZW35 02 43 32 71.0 228.0 1.0 42.0 -4 1 1 106 00 17 30 00 32 30 --- 02 58 34 68.5 235.4 1.2 47.8 896 F 1 109 00 17 30 00 35 15 J0139+1753 03 01 20 67.6 240.1 1.4 51.6 156 1 1 109 00 35 15 00 45 15 =0136+176 03 11 22 65.7 243.7 1.5 54.2 600 F 1 112 00 35 38 00 45 15 IIIZW35 03 11 22 66.2 240.5 1.4 51.6 -8 1 1 112 00 45 15 00 55 45 --- 03 21 53 64.2 244.1 1.6 54.1 622 F 1 114 00 45 15 00 55 45 IIIZW35 03 21 53 64.2 244.1 1.6 54.1 -4 1 1 114 00 55 45 01 06 15 --- 03 32 25 62.1 247.3 1.8 56.2 626 F 1 117 00 55 45 01 06 15 IIIZW35 03 32 25 62.1 247.3 1.8 56.2 -4 1 1 117 01 06 15 01 16 45 --- 03 42 57 60.0 250.1 2.0 57.9 626 F 1 119 01 06 15 01 19 30 0234+285 03 45 42 75.3 267.3 1.1 78.9 128 1 1 119 01 19 30 01 29 30 --- 03 55 44 73.1 268.8 1.3 79.1 600 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: 4 Station: VLBA_FD 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: 5 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