COVER INFORMATION Station: GBT_VLBA (Code Gb ) Experiment: BK121A - ToO observations of SGR 1806-20 Exp. Code: BK121A Schedule Version: 1.00 Processed by SCHED version: Release of 18 Sept. 2003 PI: Mike Garrett Address: JIVE Postbus 2 7990AA Dwingeloo The Netherlands Phone: +31 521596511 EMAIL: garrett@jive.nl Fax: +31 521 596539 Phone during observation: +31 521596511 & +31 621201417 Observing mode: Continuum Notes: Schedule for GBT_VLBA (Code Gb ) Page 2 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- Next scan frequencies: 1400.49 1400.49 1408.49 1408.49 1416.49 1416.49 1424.49 1424.49 Next BBC frequencies: 649.51 649.51 641.51 641.51 633.51 633.51 625.51 625.51 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 14 45 00 3C345 16 26 49 86.6 65.4 -0.3 -112.0 0 1 1 0 14 45 00 14 50 00 --- 16 31 50 87.4 57.2 -0.2 -121.0 300 F 1 4000 15 10 00 J1825-1718 16 51 53 30.1 153.9 -1.6 -21.2 983 1 1 4000 15 10 00 15 11 30 --- 16 53 23 30.2 154.3 -1.5 -20.8 90 F 1 5200 15 11 30 SGR1806-20 16 53 23 28.5 159.8 -1.3 -16.8 -41 1 1 5200 15 11 30 15 14 30 --- 16 56 24 28.7 160.6 -1.2 -16.1 139 F 1 7600 15 14 30 J1811-2055 16 56 24 28.1 160.1 -1.2 -16.6 -27 1 1 7600 15 14 30 15 16 00 --- 16 57 54 28.2 160.5 -1.2 -16.3 63 F 1 8800 15 16 00 SGR1806-20 16 57 54 28.8 161.0 -1.2 -15.8 -27 1 1 8800 15 16 00 15 19 00 --- 17 00 55 29.0 161.7 -1.1 -15.2 153 F 1 11200 15 19 00 J1825-1718 17 00 55 30.8 156.3 -1.4 -19.3 -41 1 1 11200 15 19 00 15 20 30 --- 17 02 25 30.9 156.7 -1.4 -19.0 49 F 1 12400 15 20 30 SGR1806-20 17 02 25 29.1 162.1 -1.1 -14.9 -41 1 1 12400 15 20 30 15 23 30 --- 17 05 25 29.3 162.9 -1.1 -14.2 139 F 1 14800 15 23 30 J1811-2055 17 05 25 28.7 162.4 -1.1 -14.7 -27 1 1 14800 15 23 30 15 25 00 --- 17 06 56 28.8 162.8 -1.1 -14.4 63 F 1 16000 15 25 00 SGR1806-20 17 06 56 29.4 163.3 -1.0 -13.9 -27 1 2 16000 15 25 00 15 28 00 --- 17 09 56 29.5 164.1 -1.0 -13.3 153 R 1 16800 15 28 00 J1825-1718 17 09 56 31.5 158.6 -1.3 -17.4 -41 1 2 16800 15 28 00 15 29 30 --- 17 11 26 31.6 159.0 -1.2 -17.1 49 R 1 15600 15 29 30 SGR1806-20 17 11 26 29.6 164.5 -1.0 -12.9 -41 1 2 15600 15 29 30 15 32 00 --- 17 13 57 29.8 165.1 -0.9 -12.4 109 R 1 13600 15 42 00 3C345 17 23 58 82.0 283.0 0.7 96.5 372 1 2 13600 15 42 00 15 47 00 --- 17 28 59 81.0 282.3 0.8 95.1 300 R 1 9600 Schedule for GBT_VLBA (Code Gb ) Page 3 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- 15 52 00 J1825-1718 17 34 00 32.9 165.2 -0.9 -12.1 73 1 2 9600 15 52 00 15 53 30 --- 17 35 30 33.0 165.6 -0.8 -11.8 90 R 1 8400 15 53 30 SGR1806-20 17 35 30 30.6 170.9 -0.6 -7.6 -41 1 2 8400 15 53 30 15 56 30 --- 17 38 31 30.7 171.7 -0.5 -6.9 139 R 1 6000 15 56 30 J1811-2055 17 38 31 30.1 171.1 -0.5 -7.4 -27 1 2 6000 15 56 30 15 58 00 --- 17 40 01 30.2 171.5 -0.5 -7.1 63 R 1 4800 15 58 00 SGR1806-20 17 40 01 30.8 172.1 -0.5 -6.6 -27 1 2 4800 15 58 00 16 01 00 --- 17 43 01 30.8 172.9 -0.4 -5.9 153 R 1 2400 16 01 00 J1825-1718 17 43 01 33.4 167.7 -0.7 -10.0 -40 1 2 2400 16 01 00 16 02 30 --- 17 44 32 33.4 168.2 -0.7 -9.7 50 R 1 1200 16 02 30 SGR1806-20 17 44 32 30.9 173.3 -0.4 -5.6 -40 1 3 1200 16 02 30 16 05 30 --- 17 47 32 30.9 174.2 -0.4 -4.9 140 F 1 1200 16 05 30 J1811-2055 17 47 32 30.4 173.5 -0.4 -5.4 -27 1 3 1200 16 05 30 16 07 00 --- 17 49 02 30.4 173.9 -0.4 -5.1 63 F 1 2400 16 07 00 SGR1806-20 17 49 02 31.0 174.6 -0.3 -4.5 -27 1 3 2400 16 07 00 16 10 00 --- 17 52 03 31.0 175.4 -0.3 -3.9 153 F 1 4800 16 10 00 J1825-1718 17 52 03 33.7 170.3 -0.6 -8.0 -40 1 3 4800 16 10 00 16 11 30 --- 17 53 33 33.7 170.7 -0.5 -7.6 50 F 1 6000 16 11 30 SGR1806-20 17 53 33 31.0 175.8 -0.3 -3.5 -40 1 3 6000 16 11 30 16 14 00 --- 17 56 04 31.1 176.5 -0.2 -2.9 110 F 1 8000 16 19 00 J1825-1718 18 01 04 34.0 172.9 -0.4 -5.9 263 1 3 8000 16 19 00 16 20 30 --- 18 02 35 34.0 173.3 -0.4 -5.5 90 F 1 9200 16 20 30 SGR1806-20 18 02 35 31.1 178.3 -0.1 -1.5 -40 1 3 9200 16 20 30 16 23 30 --- 18 05 35 31.1 179.1 -0.1 -0.8 140 F 1 11600 16 23 30 J1811-2055 18 05 35 30.6 178.4 -0.1 -1.3 -27 1 3 11600 16 23 30 16 25 00 --- 18 07 05 30.6 178.8 -0.1 -1.0 63 F 1 12800 16 25 00 SGR1806-20 18 07 05 31.2 179.5 0.0 -0.4 -27 1 3 12800 16 25 00 16 28 00 --- 18 10 06 31.2 180.3 0.0 0.3 153 F 1 15200 Schedule for GBT_VLBA (Code Gb ) Page 4 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- 16 28 00 J1825-1718 18 10 06 34.1 175.5 -0.3 -3.7 -40 1 3 15200 16 28 00 16 29 30 --- 18 11 36 34.2 175.9 -0.2 -3.4 50 F 1 16400 16 29 30 SGR1806-20 18 11 36 31.2 180.7 0.0 0.6 -40 1 4 16400 16 29 30 16 32 30 --- 18 14 37 31.1 181.6 0.1 1.3 140 R 1 16400 16 32 30 J1811-2055 18 14 37 30.6 180.9 0.1 0.7 -27 1 4 16400 16 32 30 16 34 00 --- 18 16 07 30.6 181.3 0.1 1.1 63 R 1 15200 16 34 00 SGR1806-20 18 16 07 31.1 182.0 0.1 1.6 -27 1 4 15200 16 34 00 16 37 00 --- 18 19 07 31.1 182.8 0.2 2.3 153 R 1 12800 16 37 00 J1825-1718 18 19 07 34.2 178.1 -0.1 -1.6 -39 1 4 12800 16 37 00 16 38 30 --- 18 20 38 34.2 178.5 -0.1 -1.2 51 R 1 11600 16 38 30 SGR1806-20 18 20 38 31.1 183.2 0.2 2.7 -39 1 4 11600 16 38 30 16 41 00 --- 18 23 08 31.1 183.9 0.2 3.2 111 R 1 9600 16 46 00 J1825-1718 18 28 09 34.3 180.7 0.0 0.5 263 1 4 9600 16 46 00 16 47 30 --- 18 29 39 34.2 181.1 0.1 0.9 90 R 1 8400 16 47 30 SGR1806-20 18 29 39 31.0 185.7 0.3 4.7 -39 1 4 8400 16 47 30 16 50 30 --- 18 32 40 30.9 186.5 0.4 5.4 141 R 1 6000 16 50 30 J1811-2055 18 32 40 30.4 185.8 0.4 4.8 -28 1 4 6000 16 50 30 16 52 00 --- 18 34 10 30.4 186.2 0.4 5.2 62 R 1 4800 16 52 00 SGR1806-20 18 34 10 30.9 186.9 0.4 5.8 -28 1 4 4800 16 52 00 16 55 00 --- 18 37 10 30.8 187.7 0.5 6.4 152 R 1 2400 16 55 00 J1825-1718 18 37 10 34.2 183.3 0.2 2.7 -39 1 4 2400 16 55 00 16 56 30 --- 18 38 41 34.2 183.7 0.2 3.0 51 R 1 1200 16 56 30 SGR1806-20 18 38 41 30.7 188.1 0.5 6.8 -39 1 5 1200 16 56 30 16 59 30 --- 18 41 41 30.7 188.9 0.5 7.5 141 F 1 1200 16 59 30 J1811-2055 18 41 41 30.2 188.2 0.5 6.9 -28 1 5 1200 16 59 30 17 01 00 --- 18 43 11 30.2 188.6 0.5 7.2 62 F 1 2400 17 01 00 SGR1806-20 18 43 11 30.6 189.3 0.6 7.8 -28 1 5 2400 17 01 00 17 04 00 --- 18 46 12 30.5 190.1 0.6 8.5 152 F 1 4800 Schedule for GBT_VLBA (Code Gb ) Page 5 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- 17 04 00 J1825-1718 18 46 12 34.1 185.9 0.3 4.8 -39 1 5 4800 17 04 00 17 05 30 --- 18 47 42 34.0 186.3 0.4 5.2 51 F 1 6000 17 05 30 SGR1806-20 18 47 42 30.5 190.5 0.6 8.8 -38 1 5 6000 17 05 30 17 08 00 --- 18 50 12 30.4 191.2 0.7 9.4 112 F 1 8000 17 13 00 J1825-1718 18 55 13 33.8 188.4 0.5 6.9 262 1 5 8000 17 13 00 17 14 30 --- 18 56 44 33.8 188.9 0.5 7.3 90 F 1 9200 17 14 30 SGR1806-20 18 56 44 30.1 193.0 0.8 10.8 -38 1 5 9200 17 14 30 17 17 30 --- 18 59 44 30.0 193.8 0.8 11.5 142 F 1 11600 17 17 30 J1811-2055 18 59 44 29.6 193.0 0.8 10.9 -28 1 5 11600 17 17 30 17 19 00 --- 19 01 14 29.5 193.4 0.8 11.2 62 F 1 12800 17 19 00 SGR1806-20 19 01 14 29.9 194.2 0.9 11.8 -28 1 5 12800 17 19 00 17 22 00 --- 19 04 15 29.7 195.0 0.9 12.5 152 F 1 15200 17 22 00 J1825-1718 19 04 15 33.5 191.0 0.6 9.0 -39 1 5 15200 17 22 00 17 23 30 --- 19 05 45 33.5 191.4 0.7 9.4 51 F 1 16400 17 23 30 SGR1806-20 19 05 45 29.7 195.3 0.9 12.8 -39 1 6 16400 17 23 30 17 26 30 --- 19 08 46 29.5 196.1 1.0 13.4 141 R 1 16400 17 26 30 J1811-2055 19 08 46 29.1 195.4 1.0 12.8 -28 1 6 16400 17 26 30 17 28 00 --- 19 10 16 29.1 195.8 1.0 13.2 62 R 1 15200 17 28 00 SGR1806-20 19 10 16 29.4 196.5 1.0 13.8 -28 1 6 15200 17 28 00 17 31 00 --- 19 13 16 29.2 197.3 1.1 14.4 152 R 1 12800 17 31 00 J1825-1718 19 13 16 33.2 193.5 0.8 11.1 -39 1 6 12800 17 31 00 17 32 30 --- 19 14 46 33.1 194.0 0.8 11.4 51 R 1 11600 17 32 30 SGR1806-20 19 14 46 29.2 197.7 1.1 14.7 -39 1 6 11600 17 32 30 17 35 00 --- 19 17 17 29.0 198.4 1.1 15.3 111 R 1 9600 17 40 00 J1825-1718 19 22 18 32.7 196.1 0.9 13.1 262 1 6 9600 17 40 00 17 41 30 --- 19 23 48 32.6 196.5 1.0 13.5 90 R 1 8400 17 41 30 SGR1806-20 19 23 48 28.6 200.0 1.2 16.6 -39 1 6 8400 17 41 30 17 44 30 --- 19 26 48 28.4 200.8 1.3 17.3 141 R 1 6000 Schedule for GBT_VLBA (Code Gb ) Page 6 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- 17 44 30 J1811-2055 19 26 48 28.1 200.0 1.3 16.7 -28 1 6 6000 17 44 30 17 46 00 --- 19 28 19 28.0 200.4 1.3 17.0 62 R 1 4800 17 46 00 SGR1806-20 19 28 19 28.3 201.2 1.3 17.6 -28 1 6 4800 17 46 00 17 49 00 --- 19 31 19 28.1 201.9 1.4 18.2 152 R 1 2400 17 49 00 J1825-1718 19 31 19 32.2 198.5 1.1 15.1 -40 1 6 2400 17 49 00 17 50 30 --- 19 32 49 32.1 198.9 1.1 15.4 50 R 1 1200 17 50 30 SGR1806-20 19 32 49 27.9 202.3 1.4 18.5 -40 1 7 1200 17 50 30 17 53 30 --- 19 35 50 27.7 203.1 1.4 19.1 140 F 1 1200 17 53 30 J1811-2055 19 35 50 27.4 202.3 1.4 18.5 -28 1 7 1200 17 53 30 17 55 00 --- 19 37 20 27.3 202.7 1.4 18.8 62 F 1 2400 17 55 00 SGR1806-20 19 37 20 27.6 203.5 1.5 19.4 -28 1 7 2400 17 55 00 17 58 00 --- 19 40 21 27.4 204.2 1.5 20.0 152 F 1 4800 17 58 00 J1825-1718 19 40 21 31.6 201.0 1.2 17.1 -40 1 7 4800 17 58 00 17 59 30 --- 19 41 51 31.5 201.4 1.3 17.4 50 F 1 6000 17 59 30 SGR1806-20 19 41 51 27.2 204.6 1.5 20.3 -40 1 7 6000 17 59 30 18 02 00 --- 19 44 21 27.0 205.2 1.6 20.8 110 F 1 8000 18 07 00 J1825-1718 19 49 22 30.9 203.4 1.4 19.0 261 1 7 8000 18 07 00 18 08 30 --- 19 50 52 30.8 203.8 1.4 19.3 90 F 1 9200 18 08 30 SGR1806-20 19 50 52 26.5 206.8 1.7 22.1 -40 1 7 9200 18 08 30 18 11 30 --- 19 53 53 26.2 207.5 1.7 22.7 140 F 1 11600 18 11 30 J1811-2055 19 53 53 26.0 206.7 1.7 22.1 -28 1 7 11600 18 11 30 18 13 00 --- 19 55 23 25.8 207.1 1.7 22.4 62 F 1 12800 18 13 00 SGR1806-20 19 55 23 26.1 207.9 1.8 23.0 -28 1 7 12800 18 13 00 18 16 00 --- 19 58 24 25.8 208.6 1.8 23.6 152 F 1 15200 18 16 00 J1825-1718 19 58 24 30.2 205.7 1.5 20.9 -41 1 7 15200 18 16 00 18 17 30 --- 19 59 54 30.1 206.1 1.6 21.2 49 F 1 16400 18 17 30 SGR1806-20 19 59 54 25.7 208.9 1.8 23.9 -41 1 8 16400 18 17 30 18 20 30 --- 20 02 54 25.4 209.7 1.9 24.4 139 R 1 16400 Schedule for GBT_VLBA (Code Gb ) Page 7 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- 18 20 30 J1811-2055 20 02 54 25.1 208.9 1.9 23.9 -28 1 8 16400 18 20 30 18 22 00 --- 20 04 25 25.0 209.2 1.9 24.2 62 R 1 15200 18 22 00 SGR1806-20 20 04 25 25.2 210.0 1.9 24.7 -28 1 8 15200 18 22 00 18 25 00 --- 20 07 25 24.9 210.7 2.0 25.3 152 R 1 12800 18 25 00 J1825-1718 20 07 25 29.4 208.0 1.7 22.7 -41 1 8 12800 18 25 00 18 26 30 --- 20 08 55 29.2 208.4 1.7 23.0 49 R 1 11600 18 26 30 SGR1806-20 20 08 55 24.8 211.1 2.0 25.6 -41 1 8 11600 18 26 30 18 29 00 --- 20 11 26 24.5 211.7 2.0 26.0 109 R 1 9600 18 34 00 J1825-1718 20 16 27 28.5 210.3 1.8 24.4 261 1 8 9600 18 34 00 18 35 30 --- 20 17 57 28.4 210.6 1.9 24.7 90 R 1 8400 18 35 30 SGR1806-20 20 17 57 23.8 213.1 2.2 27.2 -41 1 8 8400 18 35 30 18 38 30 --- 20 20 57 23.5 213.8 2.2 27.7 139 R 1 6000 18 38 30 J1811-2055 20 20 57 23.3 213.0 2.2 27.2 -28 1 8 6000 18 38 30 18 40 00 --- 20 22 28 23.2 213.4 2.2 27.5 62 R 1 4800 18 40 00 SGR1806-20 20 22 28 23.3 214.2 2.2 28.0 -28 1 8 4800 18 40 00 18 43 00 --- 20 25 28 23.0 214.8 2.3 28.5 152 R 1 2400 18 43 00 J1825-1718 20 25 28 27.6 212.5 2.0 26.1 -41 1 8 2400 18 43 00 18 44 30 --- 20 26 58 27.4 212.8 2.0 26.4 49 R 1 1200 18 44 30 SGR1806-20 20 26 58 22.8 215.2 2.3 28.8 -41 1 9 1200 18 44 30 18 47 30 --- 20 29 59 22.5 215.9 2.4 29.3 139 F 1 1200 18 47 30 J1811-2055 20 29 59 22.3 215.0 2.3 28.8 -28 1 9 1200 18 47 30 18 49 00 --- 20 31 29 22.2 215.4 2.3 29.0 62 F 1 2400 18 49 00 SGR1806-20 20 31 29 22.3 216.2 2.4 29.6 -28 1 9 2400 18 49 00 18 52 00 --- 20 34 30 22.0 216.8 2.4 30.1 152 F 1 4800 18 52 00 J1825-1718 20 34 30 26.6 214.6 2.1 27.8 -42 1 9 4800 18 52 00 18 53 30 --- 20 36 00 26.5 215.0 2.2 28.1 48 F 1 6000 18 53 30 SGR1806-20 20 36 00 21.8 217.2 2.5 30.3 -42 1 9 6000 18 53 30 18 56 00 --- 20 38 30 21.5 217.7 2.5 30.8 108 F 1 8000 Schedule for GBT_VLBA (Code Gb ) Page 8 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- 19 01 00 J1825-1718 20 43 31 25.6 216.7 2.3 29.4 260 1 9 8000 19 01 00 19 02 30 --- 20 45 01 25.4 217.1 2.3 29.7 90 F 1 9200 19 02 30 SGR1806-20 20 45 01 20.7 219.1 2.6 31.8 -42 1 9 9200 19 02 30 19 05 30 --- 20 48 02 20.3 219.8 2.7 32.3 138 F 1 11600 19 05 30 J1811-2055 20 48 02 20.2 218.9 2.6 31.8 -28 1 9 11600 19 05 30 19 07 00 --- 20 49 32 20.0 219.3 2.6 32.1 62 F 1 12800 19 07 00 SGR1806-20 20 49 32 20.1 220.1 2.7 32.5 -28 1 9 12800 19 07 00 19 10 00 --- 20 52 33 19.8 220.7 2.7 33.0 152 F 1 15200 19 10 00 J1825-1718 20 52 33 24.5 218.8 2.4 30.9 -42 1 9 15200 19 10 00 19 11 30 --- 20 54 03 24.3 219.1 2.5 31.2 48 F 1 16400 19 11 30 SGR1806-20 20 54 03 19.6 221.0 2.8 33.3 -42 1 10 16400 19 11 30 19 14 30 --- 20 57 03 19.2 221.6 2.8 33.7 138 R 1 16400 19 14 30 J1811-2055 20 57 03 19.1 220.8 2.8 33.3 -28 1 10 16400 19 14 30 19 16 00 --- 20 58 33 18.9 221.1 2.8 33.5 62 R 1 15200 19 16 00 SGR1806-20 20 58 33 19.0 221.9 2.8 34.0 -28 1 10 15200 19 16 00 19 19 00 --- 21 01 34 18.6 222.6 2.9 34.4 152 R 1 12800 19 19 00 J1825-1718 21 01 34 23.4 220.8 2.6 32.4 -42 1 10 12800 19 19 00 19 20 30 --- 21 03 04 23.2 221.1 2.6 32.7 48 R 1 11600 19 20 30 SGR1806-20 21 03 04 18.4 222.9 2.9 34.7 -42 1 10 11600 19 20 30 19 23 00 --- 21 05 35 18.0 223.4 2.9 35.0 108 R 1 9600 19 28 00 J1825-1718 21 10 35 22.2 222.8 2.7 33.9 260 1 10 9600 19 28 00 19 29 30 --- 21 12 06 22.0 223.1 2.8 34.1 90 R 1 8400 19 29 30 SGR1806-20 21 12 06 17.2 224.7 3.1 36.0 -42 1 10 8400 19 29 30 19 32 30 --- 21 15 06 16.7 225.3 3.1 36.4 138 R 1 6000 19 32 30 J1811-2055 21 15 06 16.7 224.5 3.1 36.0 -28 1 10 6000 19 32 30 19 34 00 --- 21 16 36 16.5 224.8 3.1 36.2 62 R 1 4800 19 34 00 SGR1806-20 21 16 36 16.5 225.6 3.1 36.6 -28 1 10 4800 19 34 00 19 37 00 --- 21 19 37 16.1 226.2 3.2 37.1 152 R 1 2400 Schedule for GBT_VLBA (Code Gb ) Page 9 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- 19 37 00 J1825-1718 21 19 37 21.0 224.7 2.9 35.2 -42 1 10 2400 19 37 00 19 38 30 --- 21 21 07 20.8 225.0 2.9 35.5 48 R 1 1200 19 38 30 SGR1806-20 21 21 07 15.9 226.4 3.2 37.3 -42 1 11 1200 19 38 30 19 41 30 --- 21 24 08 15.5 227.0 3.3 37.7 138 F 1 1200 19 41 30 J1811-2055 21 24 08 15.4 226.2 3.2 37.3 -28 1 11 1200 19 41 30 19 43 00 --- 21 25 38 15.2 226.5 3.2 37.5 62 F 1 2400 19 43 00 SGR1806-20 21 25 38 15.3 227.3 3.3 37.9 -28 1 11 2400 19 43 00 19 46 00 --- 21 28 38 14.8 227.9 3.3 38.3 152 F 1 4800 19 46 00 J1825-1718 21 28 38 19.7 226.5 3.0 36.5 -42 1 11 4800 19 46 00 19 47 30 --- 21 30 09 19.5 226.8 3.1 36.8 48 F 1 6000 19 47 30 SGR1806-20 21 30 09 14.6 228.2 3.4 38.5 -42 1 11 6000 19 47 30 19 50 00 --- 21 32 39 14.2 228.7 3.4 38.9 108 F 1 8000 19 55 00 J1825-1718 21 37 40 18.4 228.3 3.2 37.8 260 1 11 8000 19 55 00 19 56 30 --- 21 39 10 18.2 228.6 3.2 38.0 90 F 1 9200 19 56 30 SGR1806-20 21 39 10 13.3 229.9 3.5 39.7 -42 1 11 9200 19 56 30 19 59 30 --- 21 42 11 12.8 230.4 3.6 40.1 138 F 1 11600 19 59 30 J1811-2055 21 42 11 12.8 229.6 3.5 39.7 -28 1 11 11600 19 59 30 20 01 00 --- 21 43 41 12.6 229.9 3.5 39.9 62 F 1 12800 20 01 00 SGR1806-20 21 43 41 12.6 230.7 3.6 40.3 -28 1 11 12800 20 01 00 20 04 00 --- 21 46 41 12.1 231.2 3.6 40.7 152 F 1 15200 20 04 00 J1825-1718 21 46 41 17.1 230.1 3.3 39.0 -42 1 11 15200 20 04 00 20 05 30 --- 21 48 12 16.9 230.4 3.4 39.2 48 F 1 16400 20 05 30 SGR1806-20 21 48 12 11.9 231.5 3.7 40.9 -43 1 12 16400 20 05 30 20 08 30 --- 21 51 12 11.4 232.1 3.7 41.2 137 R 1 16400 20 08 30 J1811-2055 21 51 12 11.4 231.3 3.7 40.9 -28 1 12 16400 20 08 30 20 10 00 --- 21 52 42 11.2 231.6 3.7 41.1 62 R 1 15200 20 10 00 SGR1806-20 21 52 42 11.2 232.3 3.7 41.4 -28 1 12 15200 20 10 00 20 13 00 --- 21 55 43 10.7 232.9 3.8 41.8 152 R 1 12800 Schedule for GBT_VLBA (Code Gb ) Page 10 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- 20 13 00 J1825-1718 21 55 43 15.7 231.8 3.5 40.2 -43 1 12 12800 20 13 00 20 14 30 --- 21 57 13 15.5 232.1 3.5 40.4 47 R 1 11600 20 14 30 SGR1806-20 21 57 13 10.5 233.1 3.8 42.0 -43 1 12 11600 20 14 30 20 17 00 --- 21 59 44 10.1 233.6 3.8 42.3 107 R 1 9600 20 22 00 J1825-1718 22 04 44 14.3 233.5 3.6 41.3 260 1 12 9600 20 22 00 20 23 30 --- 22 06 15 14.1 233.8 3.7 41.5 90 R 1 8400 20 23 30 SGR1806-20 22 06 15 9.1 234.7 4.0 43.0 -43 1 12 8400 20 23 30 20 26 30 --- 22 09 15 8.6 235.2 4.0 43.4 137 R 1 6000 20 26 30 J1811-2055 22 09 15 8.6 234.5 4.0 43.0 -28 1 12 6000 20 26 30 20 28 00 --- 22 10 45 8.4 234.7 4.0 43.2 62 R 1 4800 20 28 00 SGR1806-20 22 10 45 8.3 235.5 4.0 43.5 -28 1 12 4800 20 28 00 20 31 00 --- 22 13 46 7.9 236.0 4.1 43.9 152 R 1 2400 20 31 00 J1825-1718 22 13 46 12.9 235.2 3.8 42.4 -43 1 12 2400 20 31 00 20 32 30 --- 22 15 16 12.6 235.5 3.8 42.5 47 R 1 1200 20 32 30 SGR1806-20 22 15 16 7.6 236.3 4.1 44.0 -43 1 13 1200 20 32 30 20 35 30 --- 22 18 17 7.1 236.8 4.2 44.4 137 F 1 1200 20 35 30 J1811-2055 22 18 17 7.2 236.0 4.1 44.1 -28 1 13 1200 20 35 30 20 37 00 --- 22 19 47 6.9 236.3 4.1 44.2 62 F 1 2400 20 37 00 SGR1806-20 22 19 47 6.9 237.0 4.2 44.5 -28 1 13 2400 20 37 00 20 40 00 --- 22 22 47 6.4 237.5 4.2 44.8 152 F 1 4800 20 40 00 J1825-1718 22 22 47 11.4 236.8 3.9 43.4 -43 1 13 4800 20 40 00 20 41 30 --- 22 24 18 11.2 237.1 4.0 43.5 47 F 1 6000 20 41 30 SGR1806-20 22 24 18 6.1 237.8 4.3 45.0 -43 1 13 6000 20 41 30 20 44 00 --- 22 26 48 5.7 238.2 4.3 45.3 107 F 1 8000 20 49 00 J1825-1718 22 31 49 9.9 238.4 4.1 44.3 260 1 13 8000 20 49 00 20 50 30 --- 22 33 19 9.7 238.6 4.1 44.5 90 F 1 9200 20 58 00 J1825-1718 22 40 50 8.4 239.9 4.2 45.2 420 1 13 9200 20 58 00 20 59 30 --- 22 42 20 8.1 240.2 4.3 45.4 90 F 1 10400 Schedule for GBT_VLBA (Code Gb ) Page 11 BK121A - ToO observations of SGR 1806-20 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 5 Jan 2005 Day 5 --- 21 07 00 J1825-1718 22 49 52 6.8 241.5 4.4 46.1 420 1 13 10400 21 07 00 21 08 30 --- 22 51 22 6.6 241.7 4.4 46.3 90 F 1 11600 21 11 00 J1825-1718 22 53 52 6.2 242.1 4.5 46.5 124 1 13 11600 21 11 00 21 12 30 --- 22 55 23 5.9 242.4 4.5 46.6 90 F 1 12800 21 38 30 J2005+7752 23 21 27 45.7 346.9 3.3 122.1 1354 1 13 12800 21 38 30 21 42 30 =2007+777 23 25 28 45.5 346.7 3.3 121.0 240 F 1 16000 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: v21cm.set Matches group gbt21cm in /aps3/sched/catalogs/freq.dat LO1=4.300, LO2=12.75, LO3=10.5 Setup group: 3 Station: GBT_VLBA Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 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= 2050.00 2050.00 2050.00 2050.00 2050.00 2050.00 2050.00 2050.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= L L L L L L L L IF = A C A C A C A C The following frequency sets based on this setup were used. Frequency Set: 3 Setup file default. Used pcal sets: 1 LO sum= 1400.49 1400.49 1408.49 1408.49 1416.49 1416.49 1424.49 1424.49 BBC fr= 649.51 649.51 641.51 641.51 633.51 633.51 625.51 625.51 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- BK121A - ToO observations of SGR 1806-20 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) * SGR1806-20 18 05 40.698500 * 18 08 39.342000 18 08 55.271797 -20 25 11.10024 *-20 24 39.76000 -20 24 44.17882 From catalog imbedded in main SCHED input file. * J1811-2055 18 08 07.489967 * 18 11 06.800000 18 11 22.788320 -20 55 45.49976 *-20 55 03.44400 -20 55 06.85142 From catalog imbedded in main SCHED input file. * J1825-1718 18 22 42.013768 * 18 25 36.532220 18 25 52.077157 -17 20 35.28951 *-17 18 49.84840 -17 18 47.72923 From catalog imbedded in main SCHED input file. J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 07.285129 1641+399 39 54 10.81489 * 39 48 36.99395 39 47 48.74365 * 3C345 /aps3/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report * J2005+7752 20 07 20.430192 * 20 05 30.998520 20 05 12.580209 2007+777 77 43 58.12308 * 77 52 43.24761 77 53 33.00965 J2005+77 /aps3/sched/catalogs/sources.vlba 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) SGR1806-20 13.8 J1811-2055 13.1 J1825-1718 11.1 3C345 70.8 J2005+7752 100.8 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