COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: 86 and 43 GHz Linear Polarization of Five AGN... Exp. Code: BA053d 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: ba053d for source J1924-29 J1751+09 observed as poln. pos. angle calibrator. Use J1924-29 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- 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 17 14 28 J1751+09 15 43 45 43.1 134.4 -2.1 -28.9 0 1 1 0 Stopped 17 15 43 --- 15 45 00 43.2 134.7 -2.1 -28.7 75 S 1 0 17 15 43 J1751+09 15 45 00 43.2 134.7 -2.1 -28.7 -6 1 1 0 17 15 43 17 21 12 --- 15 50 30 43.9 136.4 -2.0 -27.8 323 F 1 4388 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 17 49 52 J1924-29 16 19 15 2.2 140.7 -3.1 D -28.9 1631 1 1 4388 17 49 52 17 55 21 --- 16 24 45 2.7 141.8 -3.0 H -28.2 0 F 1 8776 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 17 55 51 J1924-29 16 25 15 2.8 141.9 -3.0 H -28.2 24 1 1 8776 17 55 51 18 01 20 --- 16 30 45 3.3 143.0 -2.9 -27.4 0 F 1 13164 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 18 03 50 J1924-29 16 33 15 3.6 143.4 -2.9 -27.1 143 1 1 13164 18 03 50 18 09 19 --- 16 38 45 4.1 144.5 -2.8 -26.4 329 F 1 17552 18 09 19 J1924-29 16 38 45 4.1 144.5 -2.8 -26.4 -6 1 2 17552 18 09 19 18 14 48 --- 16 44 15 4.7 145.6 -2.7 -25.6 323 R 1 13164 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 18 15 18 J1924-29 16 44 45 4.7 145.7 -2.7 -25.5 24 1 2 13164 18 15 18 18 20 47 --- 16 50 15 5.2 146.8 -2.6 -24.8 329 R 1 8776 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 18 23 17 J1924-29 16 52 45 5.4 147.3 -2.5 -24.4 143 1 2 8776 18 23 17 18 28 46 --- 16 58 15 5.9 148.4 -2.4 -23.6 329 R 1 4388 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- 18 28 46 J1924-29 16 58 15 5.9 148.4 -2.4 -23.6 -6 1 2 4388 18 28 46 18 34 15 --- 17 03 45 6.4 149.5 -2.4 -22.8 323 R 1 0 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 18 34 45 J1924-29 17 04 15 6.4 149.6 -2.3 -22.8 24 1 3 0 18 34 45 18 40 14 --- 17 09 45 6.9 150.7 -2.3 -22.0 329 F 1 4388 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 18 42 43 J1924-29 17 12 15 7.1 151.2 -2.2 -21.6 143 1 3 4388 18 42 43 18 48 13 --- 17 17 45 7.5 152.4 -2.1 -20.8 329 F 1 8776 18 48 13 J1924-29 17 17 45 7.5 152.4 -2.1 -20.8 -6 1 3 8776 18 48 13 18 53 42 --- 17 23 15 8.0 153.5 -2.0 -20.0 323 F 1 13164 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 18 54 12 J1924-29 17 23 45 8.0 153.6 -2.0 -19.9 24 1 3 13164 18 54 12 18 59 41 --- 17 29 15 8.4 154.7 -1.9 -19.1 329 F 1 17552 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 19 02 10 J1924-29 17 31 45 8.6 155.3 -1.9 -18.7 143 1 4 17552 19 02 10 19 07 39 --- 17 37 15 8.9 156.4 -1.8 -17.8 329 R 1 13164 19 07 39 J1924-29 17 37 15 8.9 156.4 -1.8 -17.8 -6 1 4 13164 19 07 39 19 13 08 --- 17 42 45 9.3 157.6 -1.7 -17.0 323 R 1 8776 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 19 13 38 J1924-29 17 43 15 9.3 157.7 -1.7 -16.9 24 1 4 8776 19 13 38 19 19 07 --- 17 48 45 9.7 158.8 -1.6 -16.0 329 R 1 4388 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 19 21 37 J1924-29 17 51 15 9.8 159.4 -1.6 -15.6 143 1 4 4388 19 21 37 19 27 06 --- 17 56 45 10.1 160.6 -1.5 -14.8 329 R 1 0 19 27 06 J1924-29 17 56 45 10.1 160.6 -1.5 -14.8 -6 1 5 0 19 27 06 19 32 35 --- 18 02 15 10.4 161.7 -1.4 -13.9 323 F 1 4388 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 19 33 05 J1924-29 18 02 45 10.5 161.8 -1.4 -13.8 24 1 5 4388 19 33 05 19 38 34 --- 18 08 15 10.7 163.0 -1.3 -12.9 329 F 1 8776 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 19 38 58 J1924-29 18 08 38 10.8 163.1 -1.3 -12.8 17 1 5 8776 Stopped 19 40 58 --- 18 10 39 10.9 163.5 -1.2 -12.5 120 S 1 8776 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 19 41 04 J1924-29 18 10 45 10.9 163.6 -1.2 -12.5 0 1 5 8776 19 41 04 19 46 33 --- 18 16 15 11.1 164.8 -1.1 -11.6 329 F 1 13164 19 46 33 J1924-29 18 16 15 11.1 164.8 -1.1 -11.6 -6 1 5 13164 19 46 33 19 52 02 --- 18 21 45 11.3 166.0 -1.1 -10.7 323 F 1 17552 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 19 52 32 J1924-29 18 22 15 11.4 166.1 -1.0 -10.6 24 1 6 17552 19 52 32 19 58 01 --- 18 27 45 11.6 167.3 -1.0 -9.7 329 R 1 13164 Schedule for VLBA_BR (Code Br ) Page 5 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 19 58 25 J1924-29 18 28 08 11.6 167.4 -0.9 -9.6 17 1 6 13164 Stopped 20 00 25 --- 18 30 09 11.7 167.8 -0.9 -9.3 120 S 1 13164 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 20 00 31 J1924-29 18 30 15 11.7 167.8 -0.9 -9.3 0 1 6 13164 20 00 31 20 06 00 --- 18 35 45 11.8 169.0 -0.8 -8.4 329 R 1 8776 20 06 00 J1924-29 18 35 45 11.8 169.0 -0.8 -8.4 -6 1 6 8776 20 06 00 20 11 29 --- 18 41 15 12.0 170.3 -0.7 -7.4 323 R 1 4388 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 20 11 59 J1924-29 18 41 45 12.0 170.4 -0.7 -7.4 24 1 6 4388 20 11 59 20 17 28 --- 18 47 15 12.2 171.6 -0.6 -6.4 329 R 1 0 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 20 17 51 J1924-29 18 47 38 12.2 171.7 -0.6 -6.4 17 1 6 0 Stopped 20 19 51 --- 18 49 39 12.2 172.1 -0.6 -6.0 120 S 1 0 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 20 19 57 J1924-29 18 49 45 12.2 172.1 -0.6 -6.0 0 1 7 0 20 19 57 20 25 27 --- 18 55 15 12.3 173.4 -0.5 -5.1 329 F 1 4388 20 25 27 J1924-29 18 55 15 12.3 173.4 -0.5 -5.1 -6 1 7 4388 20 25 27 20 30 56 --- 19 00 45 12.4 174.6 -0.4 -4.1 323 F 1 8776 Schedule for VLBA_BR (Code Br ) Page 6 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 20 31 26 J1924-29 19 01 15 12.4 174.7 -0.4 -4.1 24 1 7 8776 20 31 26 20 36 55 --- 19 06 45 12.5 175.9 -0.3 -3.1 329 F 1 13164 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 20 37 18 J1924-29 19 07 08 12.5 176.0 -0.3 -3.1 17 1 7 13164 Stopped 20 39 18 --- 19 09 09 12.5 176.5 -0.3 -2.7 120 S 1 13164 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 20 39 24 J1924-29 19 09 15 12.5 176.5 -0.3 -2.7 0 1 7 13164 20 39 24 20 44 53 --- 19 14 45 12.6 177.7 -0.2 -1.8 329 F 1 17552 20 44 53 J1924-29 19 14 45 12.6 177.7 -0.2 -1.8 -6 1 8 17552 20 44 53 20 50 22 --- 19 20 15 12.6 178.9 -0.1 -0.8 323 R 1 13164 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 20 50 52 J1924-29 19 20 45 12.6 179.0 -0.1 -0.7 24 1 8 13164 20 50 52 20 56 21 --- 19 26 15 12.6 180.3 0.0 0.2 329 R 1 8776 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 20 56 45 J1924-29 19 26 38 12.6 180.4 0.0 0.3 17 1 8 8776 Stopped 20 58 45 --- 19 28 39 12.6 180.8 0.1 0.6 120 S 1 8776 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 20 58 51 J1924-29 19 28 45 12.6 180.8 0.1 0.6 0 1 8 8776 20 58 51 21 04 20 --- 19 34 15 12.6 182.1 0.2 1.6 329 R 1 4388 Schedule for VLBA_BR (Code Br ) Page 7 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- 21 04 20 J1924-29 19 34 15 12.6 182.1 0.2 1.6 -6 1 8 4388 21 04 20 21 09 49 --- 19 39 45 12.6 183.3 0.2 2.5 323 R 1 0 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 21 10 19 J1924-29 19 40 15 12.6 183.4 0.3 2.6 24 1 9 0 21 10 19 21 15 48 --- 19 45 45 12.5 184.6 0.3 3.5 329 F 1 4388 21 17 18 J1751+09 19 47 15 44.5 221.9 1.9 26.9 20 1 9 4388 21 17 18 21 22 47 --- 19 52 45 43.9 223.6 2.0 27.8 329 F 1 8776 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 21 24 25 J1924-29 19 54 23 12.4 186.6 0.5 5.0 29 1 9 8776 Stopped 21 26 25 --- 19 56 24 12.3 187.0 0.5 5.4 120 S 1 8776 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 21 26 32 J1924-29 19 56 30 12.3 187.0 0.5 5.4 0 1 9 8776 21 26 32 21 32 01 --- 20 02 00 12.2 188.3 0.6 6.3 329 F 1 13164 21 32 01 J1924-29 20 02 00 12.2 188.3 0.6 6.3 -6 1 9 13164 21 32 01 21 37 30 --- 20 07 30 12.0 189.5 0.7 7.2 323 F 1 17552 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 21 38 00 J1924-29 20 08 00 12.0 189.6 0.7 7.3 24 1 10 17552 21 38 00 21 43 29 --- 20 13 30 11.9 190.8 0.8 8.2 329 R 1 13164 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 21 43 52 J1924-29 20 13 53 11.9 190.9 0.8 8.3 17 1 10 13164 Stopped 21 45 52 --- 20 15 54 11.8 191.3 0.8 8.6 120 S 1 13164 Schedule for VLBA_BR (Code Br ) Page 8 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 21 45 58 J1924-29 20 16 00 11.8 191.3 0.8 8.7 0 1 10 13164 21 45 58 21 51 27 --- 20 21 30 11.6 192.6 0.9 9.6 329 R 1 8776 21 51 27 J1924-29 20 21 30 11.6 192.6 0.9 9.6 -6 1 10 8776 21 51 27 21 56 57 --- 20 27 00 11.4 193.8 1.0 10.5 323 R 1 4388 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 21 57 26 J1924-29 20 27 30 11.4 193.9 1.0 10.6 24 1 10 4388 21 57 26 22 02 56 --- 20 33 00 11.1 195.1 1.1 11.5 329 R 1 0 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 22 03 19 J1924-29 20 33 23 11.1 195.2 1.1 11.5 17 1 10 0 Stopped 22 05 19 --- 20 35 24 11.0 195.6 1.2 11.9 120 S 1 0 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 22 05 25 J1924-29 20 35 30 11.0 195.6 1.2 11.9 0 1 11 0 22 05 25 22 10 54 --- 20 41 00 10.8 196.8 1.3 12.8 329 F 1 4388 22 10 54 J1924-29 20 41 00 10.8 196.8 1.3 12.8 -6 1 11 4388 22 10 54 22 16 23 --- 20 46 30 10.5 198.0 1.4 13.7 323 F 1 8776 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 22 16 53 J1924-29 20 47 00 10.5 198.1 1.4 13.8 24 1 11 8776 22 16 53 22 22 22 --- 20 52 30 10.2 199.3 1.5 14.6 329 F 1 13164 Schedule for VLBA_BR (Code Br ) Page 9 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 22 22 46 J1924-29 20 52 53 10.2 199.4 1.5 14.7 17 1 11 13164 Stopped 22 24 46 --- 20 54 54 10.0 199.8 1.5 15.0 120 S 1 13164 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 22 24 52 J1924-29 20 55 00 10.0 199.8 1.5 15.0 0 1 11 13164 22 24 52 22 30 21 --- 21 00 30 9.7 201.0 1.6 15.9 329 F 1 17552 22 30 21 J1924-29 21 00 30 9.7 201.0 1.6 15.9 -6 1 12 17552 22 30 21 22 35 50 --- 21 06 00 9.4 202.2 1.7 16.8 323 R 1 13164 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 22 36 20 J1924-29 21 06 30 9.4 202.3 1.7 16.9 24 1 12 13164 22 36 20 22 41 49 --- 21 12 00 9.0 203.4 1.8 17.7 329 R 1 8776 22 43 19 J1751+09 21 13 30 32.9 244.9 3.4 37.8 36 1 12 8776 22 43 19 22 48 48 --- 21 19 00 32.1 246.2 3.5 38.3 329 R 1 4388 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 22 50 05 NRAO530 21 20 17 10.8 236.1 3.8 34.6 29 1 12 4388 Stopped 22 52 05 --- 21 22 17 10.5 236.5 3.8 34.8 120 S 1 4388 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 22 52 32 J1924-29 21 22 45 8.2 205.7 2.0 19.4 1 1 12 4388 22 52 32 22 58 01 --- 21 28 15 7.8 206.8 2.1 20.2 329 R 1 0 22 58 01 J1924-29 21 28 15 7.8 206.8 2.1 20.2 -6 1 13 0 22 58 01 23 03 31 --- 21 33 45 7.4 208.0 2.1 21.0 323 F 1 4388 Schedule for VLBA_BR (Code Br ) Page 10 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 23 04 01 J1924-29 21 34 15 7.4 208.1 2.2 21.1 24 1 13 4388 23 04 01 23 09 30 --- 21 39 45 6.9 209.2 2.2 21.9 329 F 1 8776 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 Setup file: v3mm-256-4-2.set Matches group v3mm_a in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 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= 85500.00 85500.00 85500.00 85500.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = B D B D VLBA FE= omit 3mm omit 3mm VLBA Synth= 14.1 15.4 11.9 The following frequency sets based on this setup were used. Frequency Set: 4 Setup file default. Used pcal sets: 1 LO sum= 86237.49 86237.49 86253.49 86253.49 BBC fr= 737.49 737.49 753.49 753.49 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 Setup file: /home/filehost/cwalker/sched/setups/pt7mm.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 3 Station: VLBA Total bit rate: 256 Format: NONE Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Passes/head pos: 0 Speedup factor: 0.00 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: 2 Setup file default. Used pcal sets: 2 LO sum= 43115.99 43115.99 43215.99 43215.99 BBC fr= 715.99 715.99 815.99 815.99 Bandwd= 16.000 16.000 16.000 16.000 Frequency Set: 3 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 3 LO sum= 43122.46 43122.46 43222.46 43222.46 BBC fr= 722.46 722.46 822.46 822.46 Bandwd= 2.000 2.000 2.000 2.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 2 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 10 10 13010 13010 0 0 0 0 PCALFR2= 10 10 13010 13010 0 0 0 0 Pulse cal detection set: 3 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: barrel=roll_off 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) J1733-1304 17 30 13.535192 * 17 33 02.705790 17 33 10.378108 1730-130 -13 02 45.83975 *-13 04 49.54823 -13 04 58.84019 J1733-13 /home/filehost/cwalker/sched/catalogs/sources.vlba * NRAO530 ICRF - Ext.1 Source - 1998 IERS Annual Report J1751+0939 17 49 10.387930 * 17 51 32.818573 17 51 39.059506 1749+096 09 39 42.82596 * 09 39 00.72851 09 38 54.15184 * J1751+09 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report J1924-2914 19 21 42.234131 * 19 24 51.055958 19 24 59.674288 1921-293 -29 20 26.35405 *-29 14 30.12115 -29 14 17.08755 * J1924-29 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report * P-VXSGR 18 05 02.981516 * 18 08 04.062000 18 08 12.267087 SIO-VXSGR -22 13 54.77916 *-22 13 26.10000 -22 13 27.64033 VXSGRSIO /home/filehost/cwalker/sched/catalogs/sources.pointing baudry pos, sest vel 2MHz BW 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) NRAO530 16.9 J1751+09 34.2 J1924-29 13.7 P-VXSGR 5.2 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