COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: 86 and 43 GHz Linear Polarization of Five AGN... Exp. Code: BA053a Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Joanne M. Attridge Address: Haystack Observatory Off Route 40 Westford, MA 01886 U.S.A. Phone: 978-692-4764 EMAIL: jma@haystack.mit.edu Fax: 781-981-0590 Phone during observation: 978-692-4764 Observing mode: 3/7mm dual polarization Notes: ba053a for source 3C273 J1310+3233 observed as poln. pos. angle calibrator. Use 3C273 as fringe finder. Schedule for VLBA_BR (Code Br ) Page 2 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Wed 22 Jan 2003 Day 22 --- Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 06 37 39 J1310+3233 06 43 45 19.5 62.6 -6.5 -44.7 0 1 1 0 Stopped 06 38 53 --- 06 45 00 19.7 62.8 -6.4 -44.8 75 S 1 0 06 38 53 J1310+3233 06 45 00 19.7 62.8 -6.4 -44.8 -6 1 1 0 06 38 53 06 44 23 --- 06 50 30 20.5 63.7 -6.3 -45.2 323 F 1 4388 06 58 50 3C273 07 05 00 7.5 95.3 -5.4 -41.7 836 1 1 4388 06 58 50 07 04 19 --- 07 10 30 8.4 96.4 -5.3 -41.6 329 F 1 8776 07 18 07 3C273 07 24 20 10.7 99.0 -5.1 -41.3 817 1 1 8776 07 18 07 07 23 36 --- 07 29 50 11.6 100.0 -5.0 -41.1 329 F 1 13164 07 37 24 3C273 07 43 40 13.8 102.7 -4.8 -40.7 817 1 1 13164 07 37 24 07 42 53 --- 07 49 10 14.7 103.8 -4.7 -40.4 329 F 1 17552 07 56 41 3C273 08 03 00 17.0 106.5 -4.4 -39.8 817 1 2 17552 07 56 41 08 02 10 --- 08 08 30 17.8 107.6 -4.3 -39.5 329 R 1 13164 08 15 58 3C273 08 22 20 20.0 110.5 -4.1 -38.7 817 1 2 13164 08 15 58 08 21 27 --- 08 27 50 20.9 111.6 -4.0 -38.4 329 R 1 8776 08 35 14 3C273 08 41 40 23.0 114.6 -3.8 -37.4 817 1 2 8776 08 35 14 08 40 43 --- 08 47 10 23.8 115.8 -3.7 -37.0 329 R 1 4388 08 54 31 3C273 09 01 00 25.9 118.8 -3.5 -35.8 818 1 2 4388 08 54 31 09 00 00 --- 09 06 30 26.7 120.1 -3.4 -35.3 329 R 1 0 09 13 48 3C273 09 20 20 28.6 123.3 -3.1 -33.9 818 1 3 0 09 13 48 09 19 17 --- 09 25 50 29.4 124.6 -3.1 -33.4 329 F 1 4388 09 33 05 3C273 09 39 40 31.3 128.0 -2.8 -31.8 818 1 3 4388 09 33 05 09 38 34 --- 09 45 10 32.0 129.3 -2.7 -31.1 329 F 1 8776 09 52 22 3C273 09 59 00 33.7 132.9 -2.5 -29.3 818 1 3 8776 09 52 22 09 57 51 --- 10 04 30 34.4 134.4 -2.4 -28.5 329 F 1 13164 10 11 39 3C273 10 18 20 36.0 138.1 -2.2 -26.5 819 1 3 13164 10 11 39 10 17 08 --- 10 23 50 36.6 139.6 -2.1 -25.6 329 F 1 17552 Schedule for VLBA_BR (Code Br ) Page 3 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Wed 22 Jan 2003 Day 22 --- 10 30 55 3C273 10 37 40 38.0 143.6 -1.9 -23.4 819 1 4 17552 10 30 55 10 36 24 --- 10 43 10 38.6 145.2 -1.8 -22.4 329 R 1 13164 10 50 12 3C273 10 57 00 39.8 149.4 -1.5 -19.9 819 1 4 13164 10 50 12 10 55 41 --- 11 02 30 40.3 151.1 -1.4 -18.9 329 R 1 8776 11 09 29 3C273 11 16 20 41.3 155.4 -1.2 -16.1 819 1 4 8776 11 09 29 11 14 58 --- 11 21 50 41.7 157.2 -1.1 -15.0 329 R 1 4388 11 28 46 3C273 11 35 40 42.5 161.7 -0.9 -12.1 819 1 4 4388 11 28 46 11 34 15 --- 11 41 10 42.8 163.5 -0.8 -10.9 329 R 1 0 11 48 03 3C273 11 55 00 43.3 168.2 -0.6 -7.9 819 1 5 0 11 48 03 11 53 32 --- 12 00 30 43.5 170.1 -0.5 -6.6 329 F 1 4388 11 55 02 J1310+3233 12 02 00 69.7 133.8 -1.2 -34.8 31 1 5 4388 11 55 02 12 00 31 --- 12 07 30 70.3 136.6 -1.1 -32.9 329 F 1 8776 12 16 28 3C273 12 23 30 43.9 178.0 -0.1 -1.3 898 1 5 8776 12 16 28 12 21 57 --- 12 29 00 43.9 179.9 0.0 -0.1 329 F 1 13164 12 35 50 3C273 12 42 55 43.8 184.7 0.2 3.2 824 1 5 13164 12 35 50 12 41 19 --- 12 48 25 43.7 186.6 0.3 4.4 329 F 1 17552 12 55 12 3C273 13 02 20 43.4 191.4 0.6 7.6 824 1 6 17552 12 55 12 13 00 41 --- 13 07 50 43.2 193.3 0.6 8.8 329 R 1 13164 13 14 33 3C273 13 21 45 42.5 197.9 0.9 11.9 824 1 6 13164 13 14 33 13 20 03 --- 13 27 15 42.2 199.7 1.0 13.0 329 R 1 8776 13 21 32 J1310+3233 13 28 45 74.1 193.6 0.3 10.8 20 1 6 8776 13 21 32 13 27 01 --- 13 34 15 73.8 197.7 0.4 13.9 329 R 1 4388 13 42 59 3C273 13 50 15 40.7 207.1 1.3 17.7 885 1 6 4388 13 42 59 13 48 28 --- 13 55 45 40.3 208.9 1.4 18.8 329 R 1 0 14 02 21 3C273 14 09 40 39.1 213.1 1.7 21.4 824 1 7 0 14 02 21 14 07 50 --- 14 15 10 38.6 214.7 1.8 22.4 329 F 1 4388 14 21 42 3C273 14 29 05 37.2 218.8 2.0 24.7 824 1 7 4388 14 21 42 14 27 12 --- 14 34 35 36.6 220.3 2.1 25.6 329 F 1 8776 Schedule for VLBA_BR (Code Br ) Page 4 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Wed 22 Jan 2003 Day 22 --- 14 41 04 3C273 14 48 30 35.0 224.2 2.3 27.7 824 1 7 8776 14 41 04 14 46 33 --- 14 54 00 34.4 225.6 2.4 28.5 329 F 1 13164 15 00 26 3C273 15 07 55 32.7 229.3 2.6 30.4 823 1 7 13164 15 00 26 15 05 55 --- 15 13 25 32.0 230.7 2.7 31.1 329 F 1 17552 15 19 48 3C273 15 27 20 30.1 234.1 3.0 32.8 823 1 8 17552 15 19 48 15 25 17 --- 15 32 50 29.4 235.4 3.1 33.4 329 R 1 13164 15 39 10 3C273 15 46 45 27.4 238.7 3.3 34.8 823 1 8 13164 15 39 10 15 44 39 --- 15 52 15 26.6 240.0 3.4 35.3 329 R 1 8776 15 58 32 3C273 16 06 10 24.6 243.1 3.6 36.6 823 1 8 8776 15 58 32 16 04 01 --- 16 11 40 23.8 244.3 3.7 37.0 329 R 1 4388 16 17 53 3C273 16 25 35 21.7 247.3 3.9 38.0 822 1 8 4388 16 17 53 16 23 22 --- 16 31 05 20.8 248.5 4.0 38.4 329 R 1 0 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: v7mm-256-4-2.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 2 Station: VLBA Total bit rate: 256 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 42400.00 42400.00 42400.00 42400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = A C A C VLBA FE= 7mm omit 7mm omit VLBA Synth= 15.4 7.6 11.6 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 43205.49 43205.49 43221.49 43221.49 BBC fr= 805.49 805.49 821.49 821.49 Bandwd= 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 510 510 13510 13510 0 0 0 0 PCALFR2= 510 510 13510 13510 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_auto SOURCE LIST -- 86 and 43 GHz Linear Polarization of Five AGN... 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) J1229+0203 12 26 33.245833 * 12 29 06.699729 12 29 15.732918 1226+023 02 19 43.30569 * 02 03 08.59819 02 02 07.96437 * 3C273 /home/filehost/cwalker/sched/catalogs/sources.vlba 3C273B ICRF - Ext.1 Source - 1998 IERS Annual Report J1229+02 * J1310+3233 13 08 38.495358 * 13 10 59.402725 13 11 07.683577 32 49 30.23288 * 32 33 34.44956 32 32 25.98630 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report * P-RLEO 09 44 52.219425 * 09 47 33.490000 09 47 43.699455 SIO-RLEO 11 39 40.09214 * 11 25 43.99000 11 24 53.28110 RLEO /home/filehost/cwalker/sched/catalogs/sources.pointing baudry pos, sest vel. 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) 3C273 116.0 J1310+3233 114.0 P-RLEO 156.7 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