COVER INFORMATION Station: GBT_VLBA (Code Gb ) Experiment: BT064A - phase referenced observations of TXS2226 Exp. Code: BT064A Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Greg Taylor Address: NRAO Socorro, NM 87801 Phone: (505) 835 7237 (work); (505) 835 4022 (home) EMAIL: gtaylor@nrao.edu Fax: (505) 835 7027 Phone during observation: (505) 835 7237 Observing mode: VLBA 128-2-2 at 22cm (redshifted HI) Notes: Flux calibrator: J1826+1831; Fringe-finder: J2253+1608 This is VLBA+GBT Schedule for GBT_VLBA (Code Gb ) Page 2 BT064A - phase referenced observations of TXS2226 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 14 Dec 2002 Day 348 --- Next scan frequencies: 1377.74 1377.74 Next BBC frequencies: 672.26 672.26 Next scan bandwidths: 16.00 16.00 19 32 00 J1924+3329 19 45 50 83.4 223.0 0.4 39.8 0 1 1 0 19 32 00 19 38 00 =1922+333 19 51 51 82.6 230.5 0.5 46.4 360 F 1 4800 19 40 00 J1826+1831 19 53 51 62.5 229.8 1.5 39.2 36 1 1 4800 19 40 00 19 43 00 --- 19 56 52 62.0 231.0 1.5 40.0 180 F 1 7200 19 45 00 J2236-1706 19 58 52 23.3 138.7 -2.6 -32.8 -43 1 1 7200 19 45 00 19 48 00 --- 20 01 53 23.7 139.3 -2.6 -32.3 137 F 1 9600 19 48 00 TXS2226 20 01 53 23.7 141.5 -2.5 -30.9 -20 1 1 9600 19 48 00 19 58 00 --- 20 11 54 24.9 143.8 -2.3 -29.2 580 F 1 17600 19 58 00 TXS2226 20 11 54 24.9 143.8 -2.3 -29.2 -17 1 2 17600 19 58 00 20 20 00 --- 20 33 58 27.3 149.0 -1.9 -25.2 1303 R 1 0 20 20 00 J2236-1706 20 33 58 27.5 146.8 -2.0 -26.7 -20 1 1 0 20 20 00 20 22 00 --- 20 35 58 27.7 147.2 -2.0 -26.3 100 F 2 1600 20 22 00 TXS2226 20 35 58 27.5 149.4 -1.9 -24.8 -20 1 1 1600 20 22 00 20 24 00 --- 20 37 58 27.7 149.9 -1.9 -24.4 100 F 2 3200 20 24 00 J2236-1706 20 37 58 27.9 147.7 -2.0 -26.0 -20 1 1 3200 20 24 00 20 25 00 --- 20 38 59 28.0 148.0 -2.0 -25.8 40 F 2 4000 20 25 00 TXS2226 20 38 59 27.8 150.2 -1.8 -24.2 -20 1 1 4000 20 25 00 20 27 00 --- 20 40 59 28.0 150.7 -1.8 -23.8 100 F 2 5600 20 27 00 J2236-1706 20 40 59 28.2 148.5 -1.9 -25.4 -20 1 1 5600 20 27 00 20 28 00 --- 20 41 59 28.3 148.7 -1.9 -25.2 40 F 2 6400 20 28 00 TXS2226 20 41 59 28.1 150.9 -1.8 -23.6 -20 1 1 6400 20 28 00 20 30 00 --- 20 43 59 28.2 151.4 -1.8 -23.2 100 F 2 8000 20 30 00 J2236-1706 20 43 59 28.5 149.2 -1.9 -24.8 -20 1 1 8000 20 30 00 20 31 00 --- 20 45 00 28.6 149.4 -1.9 -24.6 40 F 2 8800 20 31 00 TXS2226 20 45 00 28.3 151.7 -1.7 -23.0 -21 1 1 8800 20 31 00 20 33 00 --- 20 47 00 28.5 152.2 -1.7 -22.6 99 F 2 10400 Schedule for GBT_VLBA (Code Gb ) Page 3 BT064A - phase referenced observations of TXS2226 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 14 Dec 2002 Day 348 --- 20 33 00 J2236-1706 20 47 00 28.8 149.9 -1.8 -24.2 -21 1 1 10400 20 33 00 20 34 00 --- 20 48 00 28.9 150.2 -1.8 -24.0 39 F 2 11200 20 34 00 TXS2226 20 48 00 28.6 152.4 -1.7 -22.4 -21 1 1 11200 20 34 00 20 36 00 --- 20 50 00 28.8 152.9 -1.7 -22.0 99 F 2 12800 20 36 00 J2236-1706 20 50 00 29.1 150.7 -1.8 -23.7 -21 1 1 12800 20 36 00 20 37 00 --- 20 51 01 29.2 150.9 -1.8 -23.5 39 F 2 13600 20 37 00 TXS2226 20 51 01 28.9 153.2 -1.6 -21.8 -21 1 1 13600 20 37 00 20 39 00 --- 20 53 01 29.1 153.7 -1.6 -21.4 99 F 2 15200 20 39 00 J2236-1706 20 53 01 29.4 151.4 -1.7 -23.1 -21 1 1 15200 20 39 00 20 40 00 --- 20 54 01 29.5 151.7 -1.7 -22.9 39 F 2 16000 20 40 00 J2236-1433 20 54 01 31.8 150.4 -1.7 -23.5 -25 1 1 16000 20 40 00 20 42 00 =2233-148 20 56 01 32.0 151.0 -1.7 -23.1 95 F 2 17600 20 42 00 J2236-1706 20 56 01 29.7 152.2 -1.7 -22.5 -25 1 2 17600 20 42 00 20 43 00 --- 20 57 02 29.8 152.5 -1.7 -22.3 35 R 2 16800 20 43 00 TXS2226 20 57 02 29.4 154.7 -1.5 -20.6 -21 1 2 16800 20 43 00 20 45 00 --- 20 59 02 29.6 155.2 -1.5 -20.2 99 R 2 15200 20 45 00 J2236-1706 20 59 02 30.0 153.0 -1.6 -21.9 -21 1 2 15200 20 45 00 20 46 00 --- 21 00 02 30.1 153.2 -1.6 -21.7 39 R 2 14400 20 46 00 TXS2226 21 00 02 29.6 155.5 -1.5 -20.0 -21 1 2 14400 20 46 00 20 48 00 --- 21 02 02 29.8 156.0 -1.5 -19.6 99 R 2 12800 20 48 00 J2236-1706 21 02 02 30.2 153.8 -1.6 -21.3 -21 1 2 12800 20 48 00 20 49 00 --- 21 03 03 30.3 154.0 -1.6 -21.0 39 R 2 12000 20 49 00 TXS2226 21 03 03 29.9 156.2 -1.4 -19.4 -21 1 2 12000 20 49 00 20 51 00 --- 21 05 03 30.0 156.8 -1.4 -19.0 99 R 2 10400 20 51 00 J2236-1706 21 05 03 30.5 154.5 -1.5 -20.6 -21 1 2 10400 20 51 00 20 52 00 --- 21 06 03 30.6 154.8 -1.5 -20.4 39 R 2 9600 20 52 00 TXS2226 21 06 03 30.1 157.0 -1.4 -18.8 -21 1 2 9600 20 52 00 20 54 00 --- 21 08 03 30.3 157.5 -1.4 -18.4 99 R 2 8000 Schedule for GBT_VLBA (Code Gb ) Page 4 BT064A - phase referenced observations of TXS2226 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 14 Dec 2002 Day 348 --- 20 54 00 J2236-1706 21 08 03 30.7 155.3 -1.5 -20.0 -21 1 2 8000 20 54 00 20 55 00 --- 21 09 04 30.8 155.6 -1.5 -19.8 39 R 2 7200 20 55 00 TXS2226 21 09 04 30.3 157.8 -1.3 -18.2 -21 1 2 7200 20 55 00 20 57 00 --- 21 11 04 30.5 158.3 -1.3 -17.7 99 R 2 5600 20 57 00 J2236-1706 21 11 04 31.0 156.1 -1.4 -19.4 -21 1 2 5600 20 57 00 20 58 00 --- 21 12 04 31.1 156.4 -1.4 -19.2 39 R 2 4800 20 58 00 TXS2226 21 12 04 30.6 158.6 -1.3 -17.5 -21 1 2 4800 20 58 00 21 00 00 --- 21 14 04 30.7 159.1 -1.3 -17.1 99 R 2 3200 21 00 00 J2236-1706 21 14 04 31.2 156.9 -1.4 -18.8 -21 1 2 3200 21 00 00 21 01 00 --- 21 15 05 31.3 157.2 -1.4 -18.5 39 R 2 2400 21 01 00 TXS2226 21 15 05 30.8 159.4 -1.2 -16.9 -21 1 2 2400 21 01 00 21 03 00 --- 21 17 05 30.9 159.9 -1.2 -16.4 99 R 2 800 21 03 00 J2236-1706 21 17 05 31.4 157.7 -1.3 -18.1 -21 1 2 800 21 03 00 21 04 00 --- 21 18 05 31.5 158.0 -1.3 -17.9 39 R 2 0 21 04 00 J2236-1706 21 18 05 31.5 158.0 -1.3 -17.9 -17 1 3 0 21 04 00 21 06 00 --- 21 20 05 31.7 158.5 -1.3 -17.5 103 F 1 1600 21 06 00 TXS2226 21 20 05 31.1 160.7 -1.2 -15.8 -21 1 3 1600 21 06 00 21 26 00 --- 21 40 09 32.2 166.2 -0.8 -11.4 1179 F 1 17600 21 26 00 TXS2226 21 40 09 32.2 166.2 -0.8 -11.4 -17 1 4 17600 21 26 00 21 48 00 --- 22 02 12 33.0 172.3 -0.5 -6.3 1303 R 1 0 21 48 00 J2236-1706 22 02 12 33.9 170.2 -0.6 -8.0 -20 1 3 0 21 48 00 21 50 00 --- 22 04 13 34.0 170.7 -0.5 -7.6 100 F 2 1600 21 50 00 TXS2226 22 04 13 33.1 172.9 -0.4 -5.9 -20 1 3 1600 21 50 00 21 52 00 --- 22 06 13 33.1 173.4 -0.4 -5.4 100 F 2 3200 21 52 00 J2236-1706 22 06 13 34.0 171.3 -0.5 -7.1 -20 1 3 3200 21 52 00 21 53 00 --- 22 07 13 34.1 171.6 -0.5 -6.9 40 F 2 4000 21 53 00 TXS2226 22 07 13 33.2 173.7 -0.4 -5.2 -20 1 3 4000 21 53 00 21 55 00 --- 22 09 13 33.2 174.3 -0.3 -4.7 100 F 2 5600 Schedule for GBT_VLBA (Code Gb ) Page 5 BT064A - phase referenced observations of TXS2226 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 14 Dec 2002 Day 348 --- 21 55 00 J2236-1706 22 09 13 34.1 172.2 -0.5 -6.4 -20 1 3 5600 21 55 00 21 56 00 --- 22 10 14 34.1 172.5 -0.4 -6.2 40 F 2 6400 21 56 00 TXS2226 22 10 14 33.2 174.6 -0.3 -4.5 -20 1 3 6400 21 56 00 21 58 00 --- 22 12 14 33.3 175.1 -0.3 -4.0 100 F 2 8000 21 58 00 J2236-1706 22 12 14 34.2 173.0 -0.4 -5.7 -20 1 3 8000 21 58 00 21 59 00 --- 22 13 14 34.2 173.3 -0.4 -5.5 40 F 2 8800 21 59 00 TXS2226 22 13 14 33.3 175.4 -0.3 -3.8 -20 1 3 8800 21 59 00 22 01 00 --- 22 15 14 33.3 176.0 -0.2 -3.3 100 F 2 10400 22 01 00 J2236-1706 22 15 14 34.3 173.9 -0.4 -5.0 -20 1 3 10400 22 01 00 22 02 00 --- 22 16 15 34.3 174.2 -0.3 -4.8 40 F 2 11200 22 02 00 TXS2226 22 16 15 33.3 176.3 -0.2 -3.1 -20 1 3 11200 22 02 00 22 04 00 --- 22 18 15 33.3 176.8 -0.2 -2.6 100 F 2 12800 22 04 00 J2236-1706 22 18 15 34.3 174.8 -0.3 -4.3 -20 1 3 12800 22 04 00 22 05 00 --- 22 19 15 34.3 175.1 -0.3 -4.0 40 F 2 13600 22 05 00 TXS2226 22 19 15 33.3 177.1 -0.2 -2.4 -20 1 3 13600 22 05 00 22 07 00 --- 22 21 15 33.4 177.7 -0.1 -1.9 100 F 2 15200 22 07 00 J2236-1706 22 21 15 34.4 175.6 -0.3 -3.6 -20 1 3 15200 22 07 00 22 08 00 --- 22 22 16 34.4 175.9 -0.2 -3.3 40 F 2 16000 22 08 00 J2236-1433 22 22 16 36.9 175.6 -0.2 -3.5 -25 1 3 16000 22 08 00 22 10 00 =2233-148 22 24 16 36.9 176.2 -0.2 -3.0 95 F 2 17600 22 10 00 J2236-1706 22 24 16 34.4 176.5 -0.2 -2.9 -25 1 4 17600 22 10 00 22 11 00 --- 22 25 16 34.4 176.8 -0.2 -2.6 35 R 2 16800 22 11 00 TXS2226 22 25 16 33.4 178.8 -0.1 -1.0 -20 1 4 16800 22 11 00 22 13 00 --- 22 27 16 33.4 179.4 0.0 -0.5 100 R 2 15200 22 13 00 J2236-1706 22 27 16 34.4 177.4 -0.2 -2.1 -20 1 4 15200 22 13 00 22 14 00 --- 22 28 17 34.4 177.7 -0.1 -1.9 40 R 2 14400 22 14 00 TXS2226 22 28 17 33.4 179.7 0.0 -0.3 -20 1 4 14400 22 14 00 22 16 00 --- 22 30 17 33.4 180.3 0.0 0.2 100 R 2 12800 Schedule for GBT_VLBA (Code Gb ) Page 6 BT064A - phase referenced observations of TXS2226 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 14 Dec 2002 Day 348 --- 22 16 00 J2236-1706 22 30 17 34.5 178.3 -0.1 -1.4 -21 1 4 12800 22 16 00 22 17 00 --- 22 31 17 34.5 178.5 -0.1 -1.2 39 R 2 12000 22 17 00 TXS2226 22 31 17 33.4 180.6 0.0 0.5 -21 1 4 12000 22 17 00 22 19 00 --- 22 33 17 33.4 181.1 0.1 0.9 99 R 2 10400 22 19 00 J2236-1706 22 33 17 34.5 179.1 -0.1 -0.7 -21 1 4 10400 22 19 00 22 20 00 --- 22 34 18 34.5 179.4 0.0 -0.5 39 R 2 9600 22 20 00 TXS2226 22 34 18 33.4 181.4 0.1 1.2 -21 1 4 9600 22 20 00 22 22 00 --- 22 36 18 33.4 182.0 0.1 1.6 99 R 2 8000 22 22 00 J2236-1706 22 36 18 34.5 180.0 0.0 0.0 -21 1 4 8000 22 22 00 22 23 00 --- 22 37 18 34.5 180.3 0.0 0.2 39 R 2 7200 22 23 00 TXS2226 22 37 18 33.4 182.3 0.1 1.9 -21 1 4 7200 22 23 00 22 25 00 --- 22 39 18 33.4 182.8 0.2 2.3 99 R 2 5600 22 25 00 J2236-1706 22 39 18 34.5 180.9 0.1 0.7 -21 1 4 5600 22 25 00 22 26 00 --- 22 40 19 34.5 181.2 0.1 1.0 39 R 2 4800 22 26 00 TXS2226 22 40 19 33.3 183.1 0.2 2.6 -21 1 4 4800 22 26 00 22 28 00 --- 22 42 19 33.3 183.7 0.2 3.0 99 R 2 3200 22 28 00 J2236-1706 22 42 19 34.5 181.7 0.1 1.4 -21 1 4 3200 22 28 00 22 29 00 --- 22 43 19 34.4 182.0 0.1 1.7 39 R 2 2400 22 29 00 TXS2226 22 43 19 33.3 184.0 0.2 3.3 -21 1 4 2400 22 29 00 22 31 00 --- 22 45 19 33.3 184.5 0.3 3.7 99 R 2 800 22 31 00 J2236-1706 22 45 19 34.4 182.6 0.2 2.1 -21 1 4 800 22 31 00 22 32 00 --- 22 46 19 34.4 182.9 0.2 2.4 39 R 2 0 22 32 00 J2236-1706 22 46 19 34.4 182.9 0.2 2.4 -17 1 5 0 22 32 00 22 34 00 --- 22 48 20 34.4 183.5 0.2 2.9 103 F 1 1600 22 34 00 TXS2226 22 48 20 33.2 185.4 0.3 4.4 -21 1 5 1600 22 34 00 22 54 00 --- 23 08 23 32.7 191.0 0.7 9.1 1179 F 1 17600 22 54 00 TXS2226 23 08 23 32.7 191.0 0.7 9.1 -17 1 6 17600 22 54 00 23 16 00 --- 23 30 27 31.6 197.1 1.0 14.0 1303 R 1 0 Schedule for GBT_VLBA (Code Gb ) Page 7 BT064A - phase referenced observations of TXS2226 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 14 Dec 2002 Day 348 --- 23 16 00 J2236-1706 23 30 27 33.0 195.5 0.9 12.6 -22 1 5 0 23 16 00 23 18 00 --- 23 32 27 32.9 196.0 0.9 13.1 98 F 2 1600 23 18 00 TXS2226 23 32 27 31.5 197.6 1.1 14.5 -22 1 5 1600 23 18 00 23 20 00 --- 23 34 27 31.4 198.2 1.1 14.9 98 F 2 3200 23 20 00 J2236-1706 23 34 27 32.8 196.6 1.0 13.5 -22 1 5 3200 23 20 00 23 21 00 --- 23 35 28 32.8 196.9 1.0 13.8 38 F 2 4000 23 21 00 TXS2226 23 35 28 31.3 198.4 1.1 15.1 -22 1 5 4000 23 21 00 23 23 00 --- 23 37 28 31.2 199.0 1.1 15.6 98 F 2 5600 23 23 00 J2236-1706 23 37 28 32.6 197.4 1.0 14.2 -22 1 5 5600 23 23 00 23 24 00 --- 23 38 28 32.6 197.7 1.0 14.4 38 F 2 6400 23 24 00 TXS2226 23 38 28 31.1 199.3 1.2 15.8 -22 1 5 6400 23 24 00 23 26 00 --- 23 40 28 31.0 199.8 1.2 16.2 98 F 2 8000 23 26 00 J2236-1706 23 40 28 32.5 198.2 1.1 14.9 -22 1 5 8000 23 26 00 23 27 00 --- 23 41 29 32.4 198.5 1.1 15.1 38 F 2 8800 23 27 00 TXS2226 23 41 29 30.9 200.1 1.2 16.4 -22 1 5 8800 23 27 00 23 29 00 --- 23 43 29 30.8 200.6 1.2 16.8 98 F 2 10400 23 29 00 J2236-1706 23 43 29 32.3 199.1 1.1 15.5 -22 1 5 10400 23 29 00 23 30 00 --- 23 44 29 32.2 199.3 1.1 15.7 38 F 2 11200 23 30 00 TXS2226 23 44 29 30.7 200.8 1.3 17.1 -22 1 5 11200 23 30 00 23 32 00 --- 23 46 29 30.6 201.4 1.3 17.5 98 F 2 12800 23 32 00 J2236-1706 23 46 29 32.1 199.9 1.2 16.2 -22 1 5 12800 23 32 00 23 33 00 --- 23 47 30 32.0 200.2 1.2 16.4 38 F 2 13600 23 33 00 TXS2226 23 47 30 30.5 201.6 1.3 17.7 -22 1 5 13600 23 33 00 23 35 00 --- 23 49 30 30.4 202.2 1.3 18.1 98 F 2 15200 23 35 00 J2236-1706 23 49 30 31.9 200.7 1.2 16.8 -22 1 5 15200 23 35 00 23 36 00 --- 23 50 30 31.8 201.0 1.2 17.1 38 F 2 16000 23 36 00 J2236-1433 23 50 30 34.3 201.8 1.2 17.5 -25 1 5 16000 23 36 00 23 38 00 =2233-148 23 52 30 34.1 202.3 1.3 17.9 95 F 2 17600 Schedule for GBT_VLBA (Code Gb ) Page 8 BT064A - phase referenced observations of TXS2226 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 14 Dec 2002 Day 348 --- 23 38 00 J2236-1706 23 52 30 31.7 201.5 1.3 17.5 -25 1 6 17600 23 38 00 23 39 00 --- 23 53 31 31.6 201.8 1.3 17.7 35 R 2 16800 23 39 00 TXS2226 23 53 31 30.1 203.2 1.4 19.0 -22 1 6 16800 23 39 00 23 41 00 --- 23 55 31 29.9 203.7 1.4 19.4 98 R 2 15200 23 41 00 J2236-1706 23 55 31 31.4 202.3 1.3 18.1 -22 1 6 15200 23 41 00 23 42 00 --- 23 56 31 31.4 202.6 1.3 18.3 38 R 2 14400 23 42 00 TXS2226 23 56 31 29.8 204.0 1.5 19.6 -22 1 6 14400 23 42 00 23 44 00 --- 23 58 31 29.7 204.5 1.5 20.0 98 R 2 12800 23 44 00 J2236-1706 23 58 31 31.2 203.1 1.4 18.8 -22 1 6 12800 23 44 00 23 45 00 --- 23 59 31 31.1 203.4 1.4 19.0 38 R 2 12000 23 45 00 TXS2226 23 59 31 29.6 204.8 1.5 20.2 -22 1 6 12000 23 45 00 23 47 00 --- 00 01 32 29.4 205.3 1.5 20.6 98 R 2 10400 23 47 00 J2236-1706 00 01 32 31.0 203.9 1.4 19.4 -22 1 6 10400 23 47 00 23 48 00 --- 00 02 32 30.9 204.2 1.4 19.6 38 R 2 9600 23 48 00 TXS2226 00 02 32 29.3 205.5 1.6 20.8 -22 1 6 9600 23 48 00 23 50 00 --- 00 04 32 29.2 206.0 1.6 21.2 98 R 2 8000 23 50 00 J2236-1706 00 04 32 30.7 204.7 1.5 20.0 -22 1 6 8000 23 50 00 23 51 00 --- 00 05 32 30.7 205.0 1.5 20.2 38 R 2 7200 23 51 00 TXS2226 00 05 32 29.1 206.3 1.6 21.4 -22 1 6 7200 23 51 00 23 53 00 --- 00 07 33 28.9 206.8 1.6 21.8 98 R 2 5600 23 53 00 J2236-1706 00 07 33 30.5 205.5 1.5 20.6 -22 1 6 5600 23 53 00 23 54 00 --- 00 08 33 30.4 205.7 1.5 20.8 38 R 2 4800 23 54 00 TXS2226 00 08 33 28.8 207.1 1.7 22.0 -22 1 6 4800 23 54 00 23 56 00 --- 00 10 33 28.6 207.6 1.7 22.4 98 R 2 3200 23 56 00 J2236-1706 00 10 33 30.2 206.3 1.6 21.3 -22 1 6 3200 23 56 00 23 57 00 --- 00 11 33 30.1 206.5 1.6 21.5 38 R 2 2400 23 57 00 TXS2226 00 11 33 28.5 207.8 1.7 22.6 -22 1 6 2400 23 57 00 23 59 00 --- 00 13 34 28.3 208.3 1.7 23.0 98 R 2 800 Schedule for GBT_VLBA (Code Gb ) Page 9 BT064A - phase referenced observations of TXS2226 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 14 Dec 2002 Day 348 --- 23 59 00 J2236-1706 00 13 34 30.0 207.0 1.6 21.9 -22 1 6 800 23 59 00 23 59 59 --- 00 14 34 29.9 207.3 1.6 22.1 37 R 2 0 --- Sun 15 Dec 2002 Day 349 --- 00 03 00 J2253+1608 00 17 34 61.2 225.2 1.4 35.4 59 1 7 0 00 03 00 00 08 00 =2251+158 00 22 35 60.5 227.2 1.5 36.8 300 F 1 4000 00 10 00 J2236-1706 00 24 36 28.9 209.8 1.8 24.0 -2 1 7 4000 00 10 00 00 12 00 --- 00 26 36 28.7 210.3 1.8 24.4 118 F 1 5600 00 12 00 TXS2226 00 26 36 27.1 211.5 2.0 25.5 -23 1 7 5600 00 12 00 00 27 00 --- 00 41 38 25.5 215.0 2.2 28.3 877 F 1 17600 00 27 00 TXS2226 00 41 38 25.5 215.0 2.2 28.3 -17 1 8 17600 00 27 00 00 49 00 --- 01 03 42 22.8 220.0 2.6 32.0 1303 R 1 0 00 49 00 J2236-1706 01 03 42 24.6 219.1 2.5 31.1 -23 1 7 0 00 49 00 00 51 00 --- 01 05 42 24.4 219.5 2.5 31.4 97 F 2 1600 00 51 00 TXS2226 01 05 42 22.6 220.5 2.6 32.3 -23 1 7 1600 00 51 00 00 53 00 --- 01 07 43 22.3 220.9 2.6 32.7 97 F 2 3200 00 53 00 J2236-1706 01 07 43 24.1 220.0 2.5 31.8 -23 1 7 3200 00 53 00 00 54 00 --- 01 08 43 24.0 220.2 2.5 31.9 37 F 2 4000 00 54 00 TXS2226 01 08 43 22.2 221.1 2.7 32.8 -23 1 7 4000 00 54 00 00 56 00 --- 01 10 43 21.9 221.5 2.7 33.1 97 F 2 5600 00 56 00 J2236-1706 01 10 43 23.7 220.7 2.6 32.3 -23 1 7 5600 00 56 00 00 57 00 --- 01 11 43 23.6 220.9 2.6 32.4 37 F 2 6400 00 57 00 TXS2226 01 11 43 21.8 221.7 2.7 33.3 -23 1 7 6400 00 57 00 00 59 00 --- 01 13 44 21.5 222.2 2.7 33.6 97 F 2 8000 00 59 00 J2236-1706 01 13 44 23.3 221.3 2.6 32.8 -23 1 7 8000 00 59 00 01 00 00 --- 01 14 44 23.2 221.5 2.6 32.9 37 F 2 8800 01 00 00 TXS2226 01 14 44 21.4 222.4 2.8 33.8 -23 1 7 8800 01 00 00 01 02 00 --- 01 16 44 21.1 222.8 2.8 34.1 97 F 2 10400 01 02 00 J2236-1706 01 16 44 22.9 222.0 2.7 33.2 -23 1 7 10400 01 02 00 01 03 00 --- 01 17 44 22.8 222.2 2.7 33.4 37 F 2 11200 Schedule for GBT_VLBA (Code Gb ) Page 10 BT064A - phase referenced observations of TXS2226 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) ---------------------------------------------------------------------------------------- --- Sun 15 Dec 2002 Day 349 --- 01 03 00 TXS2226 01 17 44 21.0 223.0 2.8 34.2 -23 1 7 11200 01 03 00 01 05 00 --- 01 19 45 20.7 223.4 2.8 34.5 97 F 2 12800 01 05 00 J2236-1706 01 19 45 22.6 222.6 2.7 33.7 -23 1 7 12800 01 05 00 01 06 00 --- 01 20 45 22.4 222.8 2.7 33.9 37 F 2 13600 01 06 00 TXS2226 01 20 45 20.6 223.7 2.9 34.7 -23 1 7 13600 01 06 00 01 08 00 --- 01 22 45 20.3 224.1 2.9 35.0 97 F 2 15200 01 08 00 J2236-1706 01 22 45 22.2 223.3 2.8 34.2 -23 1 7 15200 01 08 00 01 09 00 --- 01 23 45 22.0 223.5 2.8 34.3 37 F 2 16000 01 09 00 J2236-1433 01 23 45 24.2 225.0 2.8 34.9 -24 1 7 16000 01 09 00 01 11 00 =2233-148 01 25 46 23.9 225.4 2.8 35.2 96 F 2 17600 01 11 00 J2236-1706 01 25 46 21.7 223.9 2.8 34.6 -24 1 8 17600 01 11 00 01 12 00 --- 01 26 46 21.6 224.1 2.8 34.8 36 R 2 16800 01 12 00 TXS2226 01 26 46 19.8 224.9 3.0 35.6 -23 1 8 16800 01 12 00 01 14 00 --- 01 28 46 19.5 225.3 3.0 35.9 97 R 2 15200 01 14 00 J2236-1706 01 28 46 21.3 224.5 2.9 35.1 -23 1 8 15200 01 14 00 01 15 00 --- 01 29 46 21.2 224.7 2.9 35.2 37 R 2 14400 01 15 00 TXS2226 01 29 46 19.4 225.5 3.0 36.0 -23 1 8 14400 01 15 00 01 17 00 --- 01 31 47 19.1 225.9 3.0 36.3 97 R 2 12800 01 17 00 J2236-1706 01 31 47 20.9 225.2 2.9 35.5 -23 1 8 12800 01 17 00 01 18 00 --- 01 32 47 20.8 225.4 2.9 35.7 37 R 2 12000 01 18 00 TXS2226 01 32 47 18.9 226.1 3.1 36.5 -23 1 8 12000 01 18 00 01 20 00 --- 01 34 47 18.7 226.5 3.1 36.7 97 R 2 10400 01 20 00 J2236-1706 01 34 47 20.5 225.8 3.0 36.0 -23 1 8 10400 01 20 00 01 21 00 --- 01 35 47 20.4 226.0 3.0 36.1 37 R 2 9600 01 21 00 TXS2226 01 35 47 18.5 226.7 3.1 36.9 -23 1 8 9600 01 21 00 01 23 00 --- 01 37 48 18.2 227.1 3.1 37.2 97 R 2 8000 01 23 00 J2236-1706 01 37 48 20.1 226.4 3.0 36.4 -23 1 8 8000 01 23 00 01 24 00 --- 01 38 48 19.9 226.6 3.0 36.6 37 R 2 7200 Schedule for GBT_VLBA (Code Gb ) Page 11 BT064A - phase referenced observations of TXS2226 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) ---------------------------------------------------------------------------------------- --- Sun 15 Dec 2002 Day 349 --- 01 26 00 J2253+1608 01 40 48 47.3 250.4 2.8 50.2 12 1 8 7200 01 26 00 01 30 00 =2251+158 01 44 49 46.6 251.3 2.8 50.6 240 R 2 4000 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: myhi.set Matches group gbt21cm in /home/filehost/cwalker/sched/catalogs/freq.dat LO1=4.300, LO2=12.75, LO3=10.5 Setup group: 2 Station: GBT_VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 2 Passes/head pos: 2 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= 2050.00 2050.00 Net SB= U U Pol. = RCP LCP BBC = 1 2 BBC SB= L L IF = A C The following frequency sets based on this setup were used. Frequency Set: 2 Setup file default. Used pcal sets: 1 LO sum= 1377.74 1377.74 BBC fr= 672.26 672.26 Bandwd= 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 OFF OFF OFF OFF OFF OFF PCALXB2= M1 M2 OFF OFF 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, 18 track2= 3, 19 barrel=roll_auto SOURCE LIST -- BT064A - phase referenced observations of TXS2226 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) * TXS2226 22 26 30.067032 * 22 29 12.496000 22 29 20.674273 -18 26 09.57621 *-18 10 47.24200 -18 10 05.06519 From catalog imbedded in main SCHED input file. * J2236-1706 22 33 28.216811 * 22 36 09.522757 22 36 17.684308 -17 21 55.78532 *-17 06 21.97259 -17 05 38.80381 From catalog imbedded in main SCHED input file. * J2236-1433 22 33 53.979678 * 22 36 34.087139 22 36 42.184764 2233-148 -14 48 56.65460 *-14 33 22.18923 -14 32 38.11040 J2236-14 From catalog imbedded in main SCHED input file. USNO - Ref Frame 1998-6, Eubanks June 1998 * J1826+1831 18 24 06.161368 * 18 26 17.710884 18 26 23.189834 18 30 02.88916 * 18 31 52.88993 18 31 58.38351 From catalog imbedded in main SCHED input file. * J1924+3329 19 22 24.920015 * 19 24 17.475700 19 24 21.865947 1922+333 33 23 32.99942 * 33 29 29.48400 33 29 51.76011 J1924+33 /home/filehost/cwalker/sched/catalogs/sources.vlba VLA Calibrator Source List * J2253+1608 22 51 29.519733 * 22 53 57.747932 22 54 05.231409 2251+158 15 52 54.34806 * 16 08 53.56089 16 09 49.87940 3C454.3 /home/filehost/cwalker/sched/catalogs/sources.vlba J2253+16 ICRF - Ext.1 Source - 1998 IERS Annual Report 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) TXS2226 69.8 J2236-1706 71.7 J2236-1433 72.6 J1826+1831 44.1 J1924+3329 63.1 J2253+1608 88.7 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