COVER INFORMATION Station: VLBA_HN (Code Hn ) Experiment: SNR/OH(1720 MHz) Masers Toward W44 Exp. Code: BH102C Schedule Version: 2.00 Processed by SCHED version: Release of 02 July 2002 PI: Ian Hoffman Address: National Radio Astronomy Observatory P. O. Box O Socorro, New Mexico, 87801 U.S.A. Phone: 505 835 7093 EMAIL: ihoffman@aoc.nrao.edu Fax: 505 835 7027 Phone during observation: 505 835 7093 Observing mode: 18 cm VLBA non-standard correlator setup Notes: Main science run toward W44 OH 1720 masers 4 baseband channels The fringe finder is 3C345=J1642+3948 High output data rate allowed by TAC Schedule for VLBA_HN (Code Hn ) Page 2 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- Next scan frequencies: 1720.49 1720.49 1720.43 1720.43 1719.42 1719.42 1718.42 1718.42 Next BBC frequencies: 679.51 679.51 679.57 679.57 680.58 680.58 681.58 681.58 Next scan bandwidths: 0.06 0.06 1.00 1.00 1.00 1.00 1.00 1.00 08 30 00 3C286 17 06 33 45.9 272.1 3.6 58.1 0 1 1 0 08 30 00 08 35 00 --- 17 11 33 45.0 272.9 3.7 58.1 300 F 1 1000 08 39 04 J1751+0939 17 15 38 55.8 164.1 -0.6 -11.8 166 1 1 1000 08 39 04 08 43 44 --- 17 20 19 56.0 166.1 -0.5 -10.3 280 F 1 1933 08 45 32 3C345 17 22 07 82.0 250.1 0.7 63.6 46 1 1 1933 08 45 32 08 50 32 --- 17 27 08 81.2 252.9 0.7 65.6 300 F 1 2933 08 50 32 W44DF 17 27 08 43.9 148.1 -1.5 -22.8 -81 1 1 2933 08 50 32 08 53 32 --- 17 30 09 44.2 149.1 -1.4 -22.1 99 F 1 3533 08 53 32 J1838+0404 17 30 09 48.2 153.7 -1.1 -19.0 -14 1 1 3533 08 53 32 08 55 32 =J1838+04 17 32 09 48.4 154.4 -1.1 -18.5 106 F 1 3933 08 55 32 W44BC 17 32 09 44.2 150.0 -1.4 -21.5 -14 1 1 3933 08 55 32 08 58 32 --- 17 35 09 44.5 151.0 -1.4 -20.8 166 F 1 4533 08 58 32 J1838+0404 17 35 09 48.6 155.5 -1.1 -17.7 -14 1 1 4533 08 58 32 09 00 32 =J1838+04 17 37 10 48.8 156.2 -1.0 -17.2 106 F 1 4933 09 00 32 W44DF 17 37 10 44.8 151.3 -1.3 -20.6 -14 1 1 4933 09 00 32 09 03 32 --- 17 40 10 45.1 152.3 -1.3 -19.9 166 F 1 5533 09 03 32 J1838+0404 17 40 10 49.0 157.3 -1.0 -16.5 -14 1 1 5533 09 03 32 09 05 32 =J1838+04 17 42 11 49.1 158.0 -0.9 -15.9 106 F 1 5933 09 05 32 W44BC 17 42 11 45.1 153.3 -1.2 -19.2 -14 1 1 5933 09 05 32 09 08 32 --- 17 45 11 45.3 154.3 -1.2 -18.5 166 F 1 6533 09 08 32 J1838+0404 17 45 11 49.3 159.1 -0.9 -15.1 -14 1 1 6533 09 08 32 09 10 32 =J1838+04 17 47 11 49.5 159.9 -0.9 -14.6 106 F 1 6933 09 10 32 W44DF 17 47 11 45.7 154.7 -1.2 -18.2 -14 1 1 6933 09 10 32 09 13 32 --- 17 50 12 45.9 155.7 -1.1 -17.5 166 F 1 7533 Schedule for VLBA_HN (Code Hn ) Page 3 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 09 13 32 J1838+0404 17 50 12 49.7 161.0 -0.8 -13.8 -14 1 1 7533 09 13 32 09 15 32 =J1838+04 17 52 12 49.8 161.8 -0.8 -13.3 106 F 1 7933 09 15 32 W44BC 17 52 12 45.9 156.7 -1.1 -16.8 -14 1 1 7933 09 15 32 09 18 32 --- 17 55 13 46.1 157.7 -1.0 -16.1 166 F 1 8533 09 18 32 J1838+0404 17 55 13 49.9 162.9 -0.7 -12.5 -14 1 1 8533 09 18 32 09 20 32 =J1838+04 17 57 13 50.0 163.7 -0.7 -11.9 106 F 1 8933 09 20 32 W44DF 17 57 13 46.4 158.2 -1.0 -15.8 -13 1 1 8933 09 20 32 09 23 32 --- 18 00 13 46.6 159.2 -0.9 -15.1 167 F 1 9533 09 23 32 J1838+0404 18 00 13 50.2 164.8 -0.6 -11.1 -13 1 1 9533 09 23 32 09 25 32 =J1838+04 18 02 14 50.3 165.6 -0.6 -10.5 107 F 1 9933 09 25 32 W44BC 18 02 14 46.5 160.2 -0.9 -14.4 -14 1 1 9933 09 25 32 09 28 32 --- 18 05 14 46.7 161.2 -0.8 -13.6 166 F 1 10533 09 28 32 J1838+0404 18 05 14 50.4 166.7 -0.6 -9.7 -13 1 1 10533 09 28 32 09 30 32 =J1838+04 18 07 15 50.5 167.5 -0.5 -9.1 107 F 1 10933 09 34 41 3C286 18 11 24 34.1 281.9 4.7 56.2 166 1 1 10933 09 34 41 09 39 41 --- 18 16 25 33.2 282.6 4.8 56.0 300 F 1 11933 09 43 28 3C345 18 20 12 71.6 268.5 1.6 72.3 144 1 1 11933 09 43 28 09 48 28 --- 18 25 13 70.7 269.4 1.7 72.3 300 F 1 12933 09 55 45 J1751+0939 18 32 31 55.5 198.0 0.7 13.3 383 1 1 12933 09 55 45 10 00 25 --- 18 37 12 55.3 200.0 0.8 14.7 280 F 1 13867 10 00 25 W44DF 18 37 12 48.3 172.7 -0.3 -5.4 -24 1 1 13867 10 00 25 10 03 25 --- 18 40 13 48.3 173.8 -0.3 -4.5 156 F 1 14467 10 03 25 J1838+0404 18 40 13 51.1 180.5 0.0 0.4 -12 1 1 14467 10 03 25 10 05 25 =J1838+04 18 42 13 51.1 181.3 0.1 0.9 108 F 1 14867 10 05 25 W44BC 18 42 13 48.1 174.8 -0.2 -3.8 -12 1 1 14867 10 05 25 10 08 25 --- 18 45 13 48.2 175.9 -0.2 -3.0 168 F 1 15467 10 08 25 J1838+0404 18 45 13 51.1 182.5 0.1 1.8 -12 1 1 15467 10 08 25 10 10 25 =J1838+04 18 47 14 51.1 183.3 0.1 2.4 108 F 1 15867 Schedule for VLBA_HN (Code Hn ) Page 4 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 10 10 25 W44DF 18 47 14 48.4 176.4 -0.2 -2.6 -11 1 1 15867 10 10 25 10 13 25 --- 18 50 14 48.5 177.6 -0.1 -1.8 169 F 1 16467 10 13 25 J1838+0404 18 50 14 51.1 184.5 0.2 3.3 -11 1 1 16467 10 13 25 10 15 25 =J1838+04 18 52 15 51.0 185.3 0.2 3.9 109 F 1 16867 10 15 25 W44BC 18 52 15 48.2 178.5 -0.1 -1.1 -12 1 1 16867 10 15 25 10 18 25 --- 18 55 15 48.2 179.7 0.0 -0.3 168 F 1 17467 10 18 25 J1838+0404 18 55 15 51.0 186.5 0.3 4.7 -11 1 2 17467 10 18 25 10 20 25 =J1838+04 18 57 15 50.9 187.2 0.3 5.3 109 R 1 17067 10 20 25 W44DF 18 57 15 48.5 180.2 0.0 0.2 -11 1 2 17067 10 20 25 10 23 25 --- 19 00 16 48.5 181.3 0.1 1.0 169 R 1 16467 10 23 25 J1838+0404 19 00 16 50.9 188.4 0.4 6.2 -11 1 2 16467 10 23 25 10 25 25 =J1838+04 19 02 16 50.8 189.2 0.4 6.8 109 R 1 16067 10 25 25 W44BC 19 02 16 48.2 182.3 0.1 1.7 -11 1 2 16067 10 25 25 10 28 25 --- 19 05 17 48.2 183.4 0.2 2.5 169 R 1 15467 10 28 25 J1838+0404 19 05 17 50.7 190.4 0.4 7.6 -11 1 2 15467 10 28 25 10 30 25 =J1838+04 19 07 17 50.6 191.2 0.5 8.2 109 R 1 15067 10 30 25 W44DF 19 07 17 48.4 184.0 0.2 2.9 -11 1 2 15067 10 30 25 10 33 25 --- 19 10 17 48.4 185.1 0.2 3.7 169 R 1 14467 10 33 25 J1838+0404 19 10 17 50.5 192.3 0.5 9.0 -11 1 2 14467 10 33 25 10 35 25 =J1838+04 19 12 18 50.4 193.1 0.6 9.6 109 R 1 14067 10 35 25 W44BC 19 12 18 48.1 186.0 0.3 4.4 -11 1 2 14067 10 35 25 10 38 25 --- 19 15 18 48.0 187.2 0.3 5.2 169 R 1 13467 10 38 25 J1838+0404 19 15 18 50.3 194.3 0.6 10.4 -11 1 2 13467 10 38 25 10 40 25 =J1838+04 19 17 19 50.2 195.0 0.6 11.0 109 R 1 13067 10 40 25 W44DF 19 17 19 48.2 187.7 0.3 5.7 -11 1 2 13067 10 40 25 10 43 25 --- 19 20 19 48.1 188.9 0.4 6.5 169 R 1 12467 10 43 25 J1838+0404 19 20 19 50.1 196.2 0.7 11.8 -11 1 2 12467 10 43 25 10 45 25 =J1838+04 19 22 19 50.0 197.0 0.7 12.4 109 R 1 12067 Schedule for VLBA_HN (Code Hn ) Page 5 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 10 45 25 W44BC 19 22 19 47.8 189.8 0.4 7.1 -11 1 2 12067 10 45 25 10 48 25 --- 19 25 20 47.7 190.9 0.5 7.9 169 R 1 11467 10 48 25 J1838+0404 19 25 20 49.8 198.1 0.8 13.2 -11 1 2 11467 10 48 25 10 50 25 =J1838+04 19 27 20 49.7 198.8 0.8 13.7 109 R 1 11067 10 50 25 W44DF 19 27 20 47.9 191.5 0.5 8.4 -11 1 2 11067 10 50 25 10 53 25 --- 19 30 21 47.8 192.6 0.6 9.2 169 R 1 10467 10 53 25 J1838+0404 19 30 21 49.5 200.0 0.9 14.5 -11 1 2 10467 10 53 25 10 55 25 =J1838+04 19 32 21 49.4 200.7 0.9 15.0 109 R 1 10067 10 55 25 W44BC 19 32 21 47.5 193.4 0.6 9.8 -11 1 2 10067 10 55 25 10 58 25 --- 19 35 22 47.3 194.5 0.7 10.6 169 R 1 9467 10 58 25 J1838+0404 19 35 22 49.2 201.8 0.9 15.8 -11 1 2 9467 10 58 25 11 00 25 =J1838+04 19 37 22 49.0 202.6 1.0 16.3 109 R 1 9067 11 01 10 J1751+0939 19 38 07 49.4 222.7 1.8 30.3 26 1 2 9067 11 00 25 11 05 50 --- 19 42 48 48.8 224.3 1.9 31.2 280 R 1 7983 11 05 50 W44DF 19 42 48 47.2 197.1 0.8 12.4 -24 1 2 7983 11 05 50 11 08 51 --- 19 45 49 47.1 198.2 0.8 13.2 157 R 1 7380 11 08 51 J1838+0404 19 45 49 48.4 205.6 1.1 18.5 -11 1 2 7380 11 08 51 11 10 51 =J1838+04 19 47 50 48.2 206.3 1.1 19.0 109 R 1 6980 11 10 51 W44BC 19 47 50 46.7 199.0 0.9 13.8 -11 1 2 6980 11 10 51 11 13 52 --- 19 50 51 46.5 200.1 0.9 14.6 170 R 1 6377 11 13 52 J1838+0404 19 50 51 48.0 207.4 1.2 19.7 -11 1 2 6377 11 13 52 11 15 52 =J1838+04 19 52 51 47.8 208.1 1.2 20.2 109 R 1 5977 11 15 52 W44DF 19 52 51 46.6 200.7 0.9 15.0 -11 1 2 5977 11 15 52 11 18 53 --- 19 55 53 46.4 201.7 1.0 15.7 170 R 1 5373 11 18 53 J1838+0404 19 55 53 47.6 209.1 1.3 20.9 -11 1 2 5373 11 18 53 11 20 53 =J1838+04 19 57 53 47.4 209.8 1.3 21.4 109 R 1 4973 11 20 53 W44BC 19 57 53 46.0 202.5 1.0 16.3 -11 1 2 4973 11 20 53 11 23 54 --- 20 00 55 45.8 203.6 1.1 17.0 170 R 1 4370 Schedule for VLBA_HN (Code Hn ) Page 6 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 11 23 54 J1838+0404 20 00 55 47.1 210.9 1.4 22.1 -11 1 2 4370 11 23 54 11 25 54 =J1838+04 20 02 55 46.9 211.5 1.4 22.6 109 R 1 3970 11 25 54 W44DF 20 02 55 45.9 204.2 1.1 17.5 -11 1 2 3970 11 25 54 11 28 55 --- 20 05 57 45.7 205.2 1.2 18.2 170 R 1 3367 11 28 55 J1838+0404 20 05 57 46.6 212.5 1.4 23.3 -11 1 2 3367 11 28 55 11 30 55 =J1838+04 20 07 57 46.4 213.2 1.5 23.7 109 R 1 2967 11 30 55 W44BC 20 07 57 45.3 206.0 1.2 18.7 -11 1 2 2967 11 30 55 11 33 56 --- 20 10 58 45.0 207.0 1.2 19.4 170 R 1 2363 11 33 56 J1838+0404 20 10 58 46.1 214.2 1.5 24.4 -11 1 2 2363 11 33 56 11 35 56 =J1838+04 20 12 59 45.9 214.9 1.6 24.8 109 R 1 1963 11 35 56 W44DF 20 12 59 45.1 207.6 1.3 19.8 -11 1 2 1963 11 35 56 11 38 57 --- 20 16 00 44.9 208.6 1.3 20.5 170 R 1 1360 11 38 57 J1838+0404 20 16 00 45.6 215.8 1.6 25.5 -11 1 2 1360 11 38 57 11 40 57 =J1838+04 20 18 01 45.4 216.5 1.7 25.9 109 R 1 960 11 40 57 W44BC 20 18 01 44.4 209.3 1.4 21.0 -11 1 2 960 11 40 57 11 43 58 --- 20 21 02 44.1 210.3 1.4 21.7 170 R 1 357 11 43 58 J1838+0404 20 21 02 45.0 217.4 1.7 26.5 -11 1 1 357 11 43 58 11 45 58 =J1838+04 20 23 02 44.8 218.1 1.7 26.9 109 F 2 757 11 45 58 W44DF 20 23 02 44.2 210.9 1.4 22.1 -11 1 1 757 11 45 58 11 48 59 --- 20 26 04 43.9 211.9 1.5 22.7 170 F 2 1360 11 48 59 J1838+0404 20 26 04 44.5 219.0 1.8 27.5 -11 1 1 1360 11 48 59 11 50 59 =J1838+04 20 28 04 44.2 219.6 1.8 27.9 109 F 2 1760 11 50 59 W44BC 20 28 04 43.5 212.5 1.5 23.2 -11 1 1 1760 11 50 59 11 54 00 --- 20 31 06 43.2 213.5 1.6 23.8 170 F 2 2363 11 54 00 J1838+0404 20 31 06 43.9 220.6 1.9 28.5 -11 1 1 2363 11 54 00 11 56 00 =J1838+04 20 33 06 43.6 221.2 1.9 28.9 109 F 2 2763 11 56 00 W44DF 20 33 06 43.2 214.1 1.6 24.2 -11 1 1 2763 11 56 00 11 59 01 --- 20 36 08 42.9 215.0 1.7 24.9 170 F 2 3367 Schedule for VLBA_HN (Code Hn ) Page 7 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 11 59 01 J1838+0404 20 36 08 43.3 222.1 2.0 29.5 -11 1 1 3367 11 59 01 12 01 01 =J1838+04 20 38 08 43.0 222.7 2.0 29.8 109 F 2 3767 12 01 01 W44BC 20 38 08 42.4 215.7 1.7 25.3 -11 1 1 3767 12 01 01 12 04 02 --- 20 41 09 42.1 216.6 1.7 25.9 170 F 2 4370 12 04 02 J1838+0404 20 41 09 42.6 223.6 2.0 30.4 -11 1 1 4370 12 04 02 12 06 02 =J1838+04 20 43 10 42.4 224.1 2.1 30.7 109 F 2 4770 12 06 02 W44DF 20 43 10 42.2 217.2 1.8 26.3 -11 1 1 4770 12 06 02 12 09 03 --- 20 46 11 41.8 218.1 1.8 26.9 170 F 2 5373 12 09 03 J1838+0404 20 46 11 42.0 225.0 2.1 31.3 -11 1 1 5373 12 09 03 12 11 03 =J1838+04 20 48 12 41.7 225.6 2.2 31.6 109 F 2 5773 12 11 03 W44BC 20 48 12 41.3 218.7 1.9 27.2 -11 1 1 5773 12 11 03 12 14 04 --- 20 51 13 41.0 219.6 1.9 27.8 170 F 2 6377 12 14 04 J1838+0404 20 51 13 41.3 226.4 2.2 32.1 -11 1 1 6377 12 14 04 12 16 04 =J1838+04 20 53 13 41.1 227.0 2.2 32.5 109 F 2 6777 12 19 14 3C345 20 56 24 43.5 288.8 4.2 64.4 143 1 1 6777 12 19 14 12 24 14 --- 21 01 25 42.6 289.4 4.3 64.0 300 F 2 7777 12 26 36 J1751+0939 21 03 47 36.6 246.0 3.2 42.7 107 1 1 7777 12 26 36 12 31 16 --- 21 08 28 35.9 247.0 3.3 43.1 280 F 2 8710 12 31 16 W44DF 21 08 28 39.1 224.5 2.2 30.9 -21 1 1 8710 12 31 16 12 34 17 --- 21 11 29 38.7 225.3 2.2 31.4 160 F 2 9313 12 34 17 J1838+0404 21 11 29 38.5 231.9 2.5 35.3 -10 1 1 9313 12 34 17 12 36 17 =J1838+04 21 13 30 38.2 232.4 2.6 35.6 110 F 2 9713 12 36 17 W44BC 21 13 30 38.2 225.9 2.3 31.7 -10 1 1 9713 12 36 17 12 39 18 --- 21 16 31 37.8 226.7 2.3 32.2 171 F 2 10317 12 39 18 J1838+0404 21 16 31 37.8 233.2 2.6 36.0 -10 1 1 10317 12 39 18 12 41 18 =J1838+04 21 18 32 37.5 233.7 2.7 36.3 110 F 2 10717 12 41 18 W44DF 21 18 32 37.8 227.2 2.4 32.5 -10 1 1 10717 12 41 18 12 44 19 --- 21 21 33 37.4 228.0 2.4 33.0 171 F 2 11320 Schedule for VLBA_HN (Code Hn ) Page 8 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 12 44 19 J1838+0404 21 21 33 37.0 234.5 2.7 36.7 -10 1 1 11320 12 44 19 12 46 19 =J1838+04 21 23 33 36.7 235.0 2.7 37.0 110 F 2 11720 12 46 19 W44BC 21 23 33 36.9 228.5 2.5 33.3 -10 1 1 11720 12 46 19 12 49 20 --- 21 26 35 36.4 229.3 2.5 33.7 171 F 2 12323 12 49 20 J1838+0404 21 26 35 36.3 235.7 2.8 37.3 -10 1 1 12323 12 49 20 12 51 20 =J1838+04 21 28 35 36.0 236.2 2.8 37.6 110 F 2 12723 12 51 20 W44DF 21 28 35 36.4 229.9 2.5 34.0 -10 1 1 12723 12 51 20 12 54 21 --- 21 31 37 36.0 230.6 2.6 34.5 171 F 2 13327 12 54 21 J1838+0404 21 31 37 35.5 237.0 2.9 38.0 -10 1 1 13327 12 54 21 12 56 21 =J1838+04 21 33 37 35.2 237.5 2.9 38.2 110 F 2 13727 12 56 21 W44BC 21 33 37 35.4 231.1 2.6 34.7 -10 1 1 13727 12 56 21 12 59 22 --- 21 36 38 35.0 231.9 2.7 35.2 171 F 2 14330 12 59 22 J1838+0404 21 36 38 34.7 238.2 3.0 38.6 -10 1 1 14330 12 59 22 13 01 22 =J1838+04 21 38 39 34.4 238.6 3.0 38.8 110 F 2 14730 13 01 22 W44DF 21 38 39 35.0 232.4 2.7 35.5 -10 1 1 14730 13 01 22 13 04 23 --- 21 41 40 34.6 233.2 2.7 35.9 171 F 2 15333 13 04 23 J1838+0404 21 41 40 34.0 239.4 3.0 39.2 -10 1 1 15333 13 04 23 13 06 23 =J1838+04 21 43 41 33.6 239.8 3.1 39.4 110 F 2 15733 13 06 23 W44BC 21 43 41 34.0 233.6 2.8 36.1 -10 1 1 15733 13 06 23 13 09 24 --- 21 46 42 33.5 234.3 2.8 36.5 171 F 2 16337 13 09 24 J1838+0404 21 46 42 33.2 240.5 3.1 39.7 -10 1 1 16337 13 09 24 13 11 24 =J1838+04 21 48 42 32.8 241.0 3.2 39.9 110 F 2 16737 13 11 24 W44DF 21 48 42 33.5 234.9 2.9 36.8 -10 1 1 16737 13 11 24 13 14 25 --- 21 51 44 33.1 235.6 2.9 37.2 171 F 2 17340 13 14 25 J1838+0404 21 51 44 32.4 241.7 3.2 40.2 -10 1 2 17340 13 14 25 13 16 25 =J1838+04 21 53 44 32.0 242.1 3.2 40.4 110 R 2 16940 13 16 25 W44BC 21 53 44 32.5 236.0 3.0 37.4 -10 1 2 16940 13 16 25 13 19 26 --- 21 56 46 32.0 236.7 3.0 37.7 171 R 2 16337 Schedule for VLBA_HN (Code Hn ) Page 9 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 13 19 26 J1838+0404 21 56 46 31.5 242.8 3.3 40.7 -10 1 2 16337 13 19 26 13 21 26 =J1838+04 21 58 46 31.2 243.2 3.3 40.9 110 R 2 15937 13 21 26 W44DF 21 58 46 32.0 237.2 3.0 38.0 -10 1 2 15937 13 21 26 13 24 27 --- 22 01 48 31.5 237.9 3.1 38.4 171 R 2 15333 13 24 27 J1838+0404 22 01 48 30.7 243.9 3.4 41.2 -10 1 2 15333 13 24 27 13 26 27 =J1838+04 22 03 48 30.4 244.3 3.4 41.4 110 R 2 14933 13 26 27 W44BC 22 03 48 30.9 238.3 3.1 38.6 -10 1 2 14933 13 26 27 13 29 28 --- 22 06 49 30.5 239.0 3.2 38.9 171 R 2 14330 13 29 28 J1838+0404 22 06 49 29.9 245.0 3.5 41.7 -10 1 2 14330 13 29 28 13 31 28 =J1838+04 22 08 50 29.6 245.4 3.5 41.9 110 R 2 13930 13 31 28 W44DF 22 08 50 30.4 239.5 3.2 39.1 -10 1 2 13930 13 31 28 13 34 29 --- 22 11 51 29.9 240.2 3.3 39.5 171 R 2 13327 13 34 29 J1838+0404 22 11 51 29.1 246.1 3.5 42.1 -10 1 2 13327 13 34 29 13 36 29 =J1838+04 22 13 52 28.7 246.5 3.6 42.3 110 R 2 12927 13 36 29 W44BC 22 13 52 29.4 240.6 3.3 39.6 -10 1 2 12927 13 36 29 13 39 30 --- 22 16 53 28.9 241.3 3.3 39.9 171 R 2 12323 13 39 30 J1838+0404 22 16 53 28.2 247.1 3.6 42.5 -10 1 2 12323 13 39 30 13 41 30 =J1838+04 22 18 53 27.9 247.5 3.7 42.7 110 R 2 11923 13 42 17 J1751+0939 22 19 41 23.3 261.2 4.5 47.2 33 1 2 11923 13 41 30 13 46 57 --- 22 24 22 22.5 262.1 4.5 47.4 280 R 2 10831 13 46 57 W44DF 22 24 22 27.9 242.9 3.5 40.7 -19 1 2 10831 13 46 57 13 49 57 --- 22 27 23 27.4 243.6 3.5 41.0 161 R 2 10231 13 49 57 J1838+0404 22 27 23 26.4 249.3 3.8 43.4 -10 1 2 10231 13 49 57 13 51 57 =J1838+04 22 29 23 26.1 249.7 3.8 43.5 110 R 2 9831 13 51 57 W44BC 22 29 23 26.8 243.9 3.6 41.1 -10 1 2 9831 13 51 57 13 54 57 --- 22 32 23 26.3 244.6 3.6 41.4 170 R 2 9231 13 54 57 J1838+0404 22 32 23 25.6 250.3 3.9 43.7 -10 1 2 9231 13 54 57 13 56 57 =J1838+04 22 34 24 25.2 250.7 3.9 43.8 110 R 2 8831 Schedule for VLBA_HN (Code Hn ) Page 10 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 13 56 57 W44DF 22 34 24 26.3 245.1 3.6 41.6 -10 1 2 8831 13 56 57 13 59 57 --- 22 37 24 25.8 245.7 3.7 41.9 170 R 2 8231 13 59 57 J1838+0404 22 37 24 24.7 251.3 4.0 44.0 -10 1 2 8231 13 59 57 14 01 57 =J1838+04 22 39 25 24.3 251.7 4.0 44.2 110 R 2 7831 14 01 57 W44BC 22 39 25 25.2 246.0 3.7 42.0 -10 1 2 7831 14 01 57 14 04 57 --- 22 42 25 24.7 246.6 3.8 42.2 170 R 2 7231 14 04 57 J1838+0404 22 42 25 23.8 252.3 4.1 44.4 -10 1 2 7231 14 04 57 14 06 57 =J1838+04 22 44 25 23.5 252.6 4.1 44.5 110 R 2 6831 14 06 57 W44DF 22 44 25 24.6 247.1 3.8 42.4 -10 1 2 6831 14 06 57 14 09 57 --- 22 47 26 24.1 247.7 3.8 42.7 170 R 2 6231 14 09 57 J1838+0404 22 47 26 22.9 253.2 4.1 44.6 -10 1 2 6231 14 09 57 14 11 57 =J1838+04 22 49 26 22.6 253.6 4.2 44.8 110 R 2 5831 14 11 57 W44BC 22 49 26 23.5 248.1 3.9 42.8 -10 1 2 5831 14 11 57 14 14 57 --- 22 52 27 23.0 248.7 3.9 43.0 170 R 2 5231 14 14 57 J1838+0404 22 52 27 22.1 254.2 4.2 44.9 -10 1 2 5231 14 14 57 14 16 57 =J1838+04 22 54 27 21.7 254.6 4.3 45.0 110 R 2 4831 14 16 57 W44DF 22 54 27 22.9 249.1 4.0 43.2 -10 1 2 4831 14 16 57 14 19 57 --- 22 57 27 22.4 249.7 4.0 43.4 170 R 2 4231 14 19 57 J1838+0404 22 57 27 21.2 255.1 4.3 45.2 -10 1 2 4231 14 19 57 14 21 57 =J1838+04 22 59 28 20.8 255.5 4.3 45.3 110 R 2 3831 14 21 57 W44BC 22 59 28 21.8 250.0 4.1 43.5 -10 1 2 3831 14 21 57 14 24 57 --- 23 02 28 21.3 250.6 4.1 43.7 170 R 2 3231 14 24 57 J1838+0404 23 02 28 20.3 256.1 4.4 45.4 -10 1 2 3231 14 24 57 14 26 57 =J1838+04 23 04 29 19.9 256.4 4.4 45.5 110 R 2 2831 14 26 57 W44DF 23 04 29 21.2 251.1 4.1 43.9 -10 1 2 2831 14 26 57 14 29 57 --- 23 07 29 20.6 251.7 4.2 44.0 170 R 2 2231 14 29 57 J1838+0404 23 07 29 19.4 257.0 4.5 45.7 -10 1 2 2231 14 29 57 14 31 57 =J1838+04 23 09 29 19.0 257.4 4.5 45.7 110 R 2 1831 Schedule for VLBA_HN (Code Hn ) Page 11 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 14 31 57 W44BC 23 09 29 20.0 252.0 4.2 44.1 -10 1 2 1831 14 31 57 14 34 57 --- 23 12 30 19.5 252.6 4.3 44.3 170 R 2 1231 14 34 57 J1838+0404 23 12 30 18.5 257.9 4.6 45.9 -10 1 2 1231 14 34 57 14 36 57 =J1838+04 23 14 30 18.1 258.3 4.6 46.0 110 R 2 831 14 36 57 W44DF 23 14 30 19.4 253.0 4.3 44.5 -10 1 2 831 14 36 57 14 39 57 --- 23 17 31 18.9 253.6 4.3 44.6 170 R 2 231 14 39 57 J1838+0404 23 17 31 17.6 258.8 4.6 46.1 -10 1 3 231 14 39 57 14 41 57 =J1838+04 23 19 31 17.2 259.2 4.7 46.1 110 F 1 631 14 41 57 W44BC 23 19 31 18.3 253.9 4.4 44.7 -10 1 3 631 14 41 57 14 44 57 --- 23 22 32 17.8 254.4 4.4 44.9 170 F 1 1231 14 44 57 J1838+0404 23 22 32 16.7 259.7 4.7 46.2 -10 1 3 1231 14 44 57 14 46 57 =J1838+04 23 24 32 16.3 260.1 4.8 46.3 110 F 1 1631 14 46 57 W44DF 23 24 32 17.7 254.9 4.5 45.0 -9 1 3 1631 14 46 57 14 49 57 --- 23 27 32 17.1 255.4 4.5 45.1 171 F 1 2231 14 49 57 J1838+0404 23 27 32 15.8 260.6 4.8 46.4 -9 1 3 2231 14 49 57 14 51 57 =J1838+04 23 29 33 15.4 261.0 4.8 46.5 111 F 1 2631 14 51 57 W44BC 23 29 33 16.5 255.7 4.6 45.2 -10 1 3 2631 14 51 57 14 54 57 --- 23 32 33 16.0 256.3 4.6 45.4 170 F 1 3231 14 54 57 J1838+0404 23 32 33 14.9 261.5 4.9 46.6 -10 1 3 3231 14 54 57 14 56 57 =J1838+04 23 34 34 14.5 261.9 4.9 46.6 110 F 1 3631 14 57 36 J1751+0939 23 35 12 9.6 274.3 5.7 47.8 23 1 3 3631 14 56 57 15 02 16 --- 23 39 53 8.7 275.1 5.8 47.7 280 F 1 4693 15 02 16 W44DF 23 39 53 14.9 257.7 4.7 45.7 -18 1 3 4693 15 02 16 15 05 16 --- 23 42 54 14.4 258.2 4.8 45.8 162 F 1 5293 15 05 16 J1838+0404 23 42 54 13.0 263.4 5.1 46.8 -9 1 3 5293 15 05 16 15 07 16 =J1838+04 23 44 54 12.7 263.7 5.1 46.9 111 F 1 5693 15 07 16 W44BC 23 44 54 13.8 258.5 4.8 45.9 -9 1 3 5693 15 07 16 15 10 16 --- 23 47 54 13.2 259.1 4.9 46.0 171 F 1 6293 Schedule for VLBA_HN (Code Hn ) Page 12 SNR/OH(1720 MHz) Masers Toward W44 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 13 Apr 2003 Day 103 --- 15 10 16 J1838+0404 23 47 54 12.1 264.2 5.1 46.9 -9 1 3 6293 15 10 16 15 12 16 =J1838+04 23 49 55 11.7 264.6 5.2 46.9 111 F 1 6693 15 12 16 W44DF 23 49 55 13.1 259.5 4.9 46.1 -9 1 3 6693 15 12 16 15 15 16 --- 23 52 55 12.6 260.0 4.9 46.2 171 F 1 7293 15 15 16 J1838+0404 23 52 55 11.2 265.1 5.2 47.0 -9 1 3 7293 15 15 16 15 17 16 =J1838+04 23 54 56 10.8 265.5 5.3 47.0 111 F 1 7693 15 17 16 W44BC 23 54 56 12.0 260.3 5.0 46.2 -9 1 3 7693 15 17 16 15 20 16 --- 23 57 56 11.4 260.8 5.0 46.3 171 F 1 8293 15 20 16 J1838+0404 23 57 56 10.3 266.0 5.3 47.1 -9 1 3 8293 15 20 16 15 22 16 =J1838+04 23 59 56 9.9 266.3 5.3 47.1 111 F 1 8693 15 22 16 W44DF 23 59 56 11.3 261.3 5.1 46.4 -9 1 3 8693 15 22 16 15 25 16 --- 00 02 57 10.8 261.8 5.1 46.5 171 F 1 9293 15 25 16 J1838+0404 00 02 57 9.4 266.8 5.4 47.1 -9 1 3 9293 15 25 16 15 27 16 =J1838+04 00 04 57 9.0 267.2 5.4 47.1 111 F 1 9693 15 27 16 W44BC 00 04 57 10.2 262.1 5.1 46.5 -9 1 3 9693 15 27 16 15 30 16 --- 00 07 58 9.6 262.6 5.2 46.6 171 F 1 10293 15 30 16 J1838+0404 00 07 58 8.4 267.7 5.5 47.2 -9 1 3 10293 15 30 16 15 32 16 =J1838+04 00 09 58 8.1 268.0 5.5 47.2 111 F 1 10693 15 32 16 W44DF 00 09 58 9.5 263.0 5.2 46.6 -9 1 3 10693 15 32 16 15 35 16 --- 00 12 59 9.0 263.5 5.3 46.7 171 F 1 11293 15 35 16 J1838+0404 00 12 59 7.5 268.6 5.6 47.2 -9 1 3 11293 15 35 16 15 37 16 =J1838+04 00 14 59 7.2 268.9 5.6 47.2 111 F 1 11693 15 37 16 W44BC 00 14 59 8.3 263.8 5.3 46.7 -9 1 3 11693 15 37 16 15 40 16 --- 00 17 59 7.8 264.3 5.4 46.8 171 F 1 12293 15 40 16 J1838+0404 00 17 59 6.6 269.4 5.7 47.2 -9 1 3 12293 15 40 16 15 42 16 =J1838+04 00 20 00 6.2 269.8 5.7 47.2 111 F 1 12693 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: v18cm-ian.set Matches group v20cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 1 Station: VLBA Total bit rate: 32 Format: VLBA1:1 Bits per sample: 2 Sample rate: 2.000 Number of channels: 8 Passes/head pos: 2 Speedup factor: 4.00 Tape speeds: Low density - 66.665 ips, High density - 40.00 ips Time per pass for 17600 ft, High density tapes is: 01:28:00 1st LO= 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 Net SB= U U L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= L L U U U U U U IF = A C A C 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: 1 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 1720.49 1720.49 1720.43 1720.43 1719.42 1719.42 1718.42 1718.42 BBC fr= 679.51 679.51 679.57 679.57 680.58 680.58 681.58 681.58 Bandwd= 0.062 0.062 1.000 1.000 1.000 1.000 1.000 1.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 S5 S6 S7 S8 PCALXB2= M1 M2 M3 M4 M5 M6 M7 M8 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, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_auto SOURCE LIST -- SNR/OH(1720 MHz) Masers Toward W44 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) * W44DF * 18 54 00.000000 18 56 32.221496 18 56 41.466844 * 01 21 00.00000 01 24 59.36144 01 25 01.19922 From catalog imbedded in main SCHED input file. * W44BC * 18 53 29.000000 18 56 01.490177 18 56 10.754593 * 01 06 45.00000 01 10 42.17661 01 10 43.95998 From catalog imbedded in main SCHED input file. * 3C345 16 41 17.606214 * 16 42 58.809951 16 43 06.032312 J1642+3948 39 54 10.81489 * 39 48 36.99395 39 47 58.11712 From catalog imbedded in main SCHED input file. fringe finder J1838+04 18 36 19.708768 * 18 38 48.829033 18 38 57.985612 * J1838+0404 04 01 41.08993 * 04 04 24.66927 04 04 21.09830 From catalog imbedded in main SCHED input file. phase ref source, 250mJy, 5 degrees away * 3C286 13 28 49.657692 * 13 31 08.287984 13 31 18.156661 J1331+305 30 45 58.64021 * 30 30 32.95885 30 29 29.89162 From catalog imbedded in main SCHED input file. linear polarization calibrator, sets early * J1751+0939 17 49 10.387930 * 17 51 32.818573 17 51 41.837548 09 39 42.82596 * 09 39 00.72851 09 38 43.39773 From catalog imbedded in main SCHED input file. D-term cal, ICRF, 1.1 Jy point source in bh097 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) W44DF 96.9 W44BC 97.1 3C345 113.2 J1838+0404 100.9 3C286 140.5 J1751+0939 111.2 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