COVER INFORMATION Station: VLBA_NL (Code Nl ) 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_NL (Code Nl ) 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 15 48 12 60.4 258.8 2.3 58.1 0 1 1 0 08 30 00 08 35 00 --- 15 53 12 59.5 259.9 2.4 58.4 300 F 1 1000 08 39 04 J1751+0939 15 57 17 49.2 133.7 -1.9 -33.1 154 1 1 1000 08 39 04 08 43 44 --- 16 01 58 49.8 135.2 -1.8 -32.2 280 F 1 1933 08 45 32 3C345 16 03 46 82.3 101.6 -0.7 -72.0 37 1 1 1933 08 45 32 08 50 32 --- 16 08 47 83.2 104.1 -0.6 -70.3 300 F 1 2933 08 50 32 W44DF 16 08 47 34.8 125.5 -2.8 -37.4 -103 1 1 2933 08 50 32 08 53 32 --- 16 11 48 35.3 126.2 -2.7 -37.0 77 F 1 3533 08 53 32 J1838+0404 16 11 48 40.0 128.7 -2.5 -35.7 -16 1 1 3533 08 53 32 08 55 32 =J1838+04 16 13 48 40.3 129.3 -2.4 -35.4 104 F 1 3933 08 55 32 W44BC 16 13 48 35.4 127.0 -2.7 -36.6 -16 1 1 3933 08 55 32 08 58 32 --- 16 16 48 35.9 127.8 -2.7 -36.1 164 F 1 4533 08 58 32 J1838+0404 16 16 48 40.7 130.1 -2.4 -34.9 -16 1 1 4533 08 58 32 09 00 32 =J1838+04 16 18 49 41.0 130.6 -2.3 -34.6 104 F 1 4933 09 00 32 W44DF 16 18 49 36.3 128.0 -2.6 -36.0 -15 1 1 4933 09 00 32 09 03 32 --- 16 21 49 36.7 128.7 -2.6 -35.6 165 F 1 5533 09 03 32 J1838+0404 16 21 49 41.4 131.4 -2.3 -34.1 -15 1 1 5533 09 03 32 09 05 32 =J1838+04 16 23 50 41.7 132.0 -2.3 -33.8 105 F 1 5933 09 05 32 W44BC 16 23 50 36.9 129.5 -2.5 -35.1 -16 1 1 5933 09 05 32 09 08 32 --- 16 26 50 37.3 130.3 -2.5 -34.7 164 F 1 6533 09 08 32 J1838+0404 16 26 50 42.1 132.8 -2.2 -33.3 -16 1 1 6533 09 08 32 09 10 32 =J1838+04 16 28 50 42.4 133.4 -2.2 -32.9 104 F 1 6933 09 10 32 W44DF 16 28 50 37.7 130.5 -2.5 -34.6 -15 1 1 6933 09 10 32 09 13 32 --- 16 31 51 38.2 131.3 -2.4 -34.1 165 F 1 7533 Schedule for VLBA_NL (Code Nl ) 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 16 31 51 42.8 134.3 -2.1 -32.4 -15 1 1 7533 09 13 32 09 15 32 =J1838+04 16 33 51 43.1 134.8 -2.1 -32.0 105 F 1 7933 09 15 32 W44BC 16 33 51 38.3 132.1 -2.4 -33.6 -16 1 1 7933 09 15 32 09 18 32 --- 16 36 52 38.7 132.9 -2.3 -33.1 164 F 1 8533 09 18 32 J1838+0404 16 36 52 43.5 135.7 -2.0 -31.5 -15 1 1 8533 09 18 32 09 20 32 =J1838+04 16 38 52 43.7 136.3 -2.0 -31.1 105 F 1 8933 09 20 32 W44DF 16 38 52 39.1 133.2 -2.3 -33.0 -15 1 1 8933 09 20 32 09 23 32 --- 16 41 52 39.5 134.0 -2.2 -32.5 165 F 1 9533 09 23 32 J1838+0404 16 41 52 44.1 137.2 -2.0 -30.5 -15 1 1 9533 09 23 32 09 25 32 =J1838+04 16 43 53 44.4 137.8 -1.9 -30.1 105 F 1 9933 09 25 32 W44BC 16 43 53 39.7 134.8 -2.2 -31.9 -15 1 1 9933 09 25 32 09 28 32 --- 16 46 53 40.1 135.7 -2.2 -31.4 165 F 1 10533 09 28 32 J1838+0404 16 46 53 44.8 138.7 -1.9 -29.6 -15 1 1 10533 09 28 32 09 30 32 =J1838+04 16 48 54 45.0 139.3 -1.8 -29.2 105 F 1 10933 09 34 41 3C286 16 53 03 48.4 271.1 3.4 59.9 155 1 1 10933 09 34 41 09 39 41 --- 16 58 04 47.4 271.9 3.4 59.9 300 F 1 11933 09 43 28 3C345 17 01 51 85.9 242.5 0.3 59.4 144 1 1 11933 09 43 28 09 48 28 --- 17 06 52 85.1 248.3 0.4 64.4 300 F 1 12933 09 55 45 J1751+0939 17 14 10 56.8 162.9 -0.6 -12.8 374 1 1 12933 09 55 45 10 00 25 --- 17 18 51 57.1 165.0 -0.5 -11.3 280 F 1 13867 10 00 25 W44DF 17 18 51 44.0 144.8 -1.6 -25.4 -32 1 1 13867 10 00 25 10 03 25 --- 17 21 52 44.4 145.8 -1.6 -24.8 148 F 1 14467 10 03 25 J1838+0404 17 21 52 48.5 150.2 -1.3 -21.8 -14 1 1 14467 10 03 25 10 05 25 =J1838+04 17 23 52 48.7 150.9 -1.3 -21.3 106 F 1 14867 10 05 25 W44BC 17 23 52 44.4 146.7 -1.5 -24.2 -15 1 1 14867 10 05 25 10 08 25 --- 17 26 52 44.7 147.7 -1.5 -23.5 165 F 1 15467 10 08 25 J1838+0404 17 26 52 49.0 151.9 -1.2 -20.6 -15 1 1 15467 10 08 25 10 10 25 =J1838+04 17 28 53 49.2 152.7 -1.2 -20.1 105 F 1 15867 Schedule for VLBA_NL (Code Nl ) 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 17 28 53 45.1 148.0 -1.5 -23.3 -14 1 1 15867 10 10 25 10 13 25 --- 17 31 53 45.4 149.0 -1.4 -22.6 166 F 1 16467 10 13 25 J1838+0404 17 31 53 49.4 153.7 -1.1 -19.3 -14 1 1 16467 10 13 25 10 15 25 =J1838+04 17 33 54 49.6 154.5 -1.1 -18.8 106 F 1 16867 10 15 25 W44BC 17 33 54 45.4 150.0 -1.4 -21.9 -14 1 1 16867 10 15 25 10 18 25 --- 17 36 54 45.7 151.0 -1.3 -21.2 166 F 1 17467 10 18 25 J1838+0404 17 36 54 49.8 155.6 -1.0 -18.0 -14 1 2 17467 10 18 25 10 20 25 =J1838+04 17 38 54 50.0 156.3 -1.0 -17.5 106 R 1 17067 10 20 25 W44DF 17 38 54 46.0 151.4 -1.3 -20.9 -14 1 2 17067 10 20 25 10 23 25 --- 17 41 55 46.3 152.4 -1.2 -20.2 166 R 1 16467 10 23 25 J1838+0404 17 41 55 50.2 157.4 -1.0 -16.7 -14 1 2 16467 10 23 25 10 25 25 =J1838+04 17 43 55 50.3 158.2 -0.9 -16.1 106 R 1 16067 10 25 25 W44BC 17 43 55 46.3 153.4 -1.2 -19.5 -14 1 2 16067 10 25 25 10 28 25 --- 17 46 56 46.5 154.4 -1.2 -18.8 166 R 1 15467 10 28 25 J1838+0404 17 46 56 50.5 159.3 -0.9 -15.3 -14 1 2 15467 10 28 25 10 30 25 =J1838+04 17 48 56 50.7 160.1 -0.8 -14.8 106 R 1 15067 10 30 25 W44DF 17 48 56 46.9 154.8 -1.1 -18.5 -14 1 2 15067 10 30 25 10 33 25 --- 17 51 56 47.1 155.8 -1.1 -17.8 166 R 1 14467 10 33 25 J1838+0404 17 51 56 50.9 161.2 -0.8 -13.9 -14 1 2 14467 10 33 25 10 35 25 =J1838+04 17 53 57 51.0 162.0 -0.8 -13.4 106 R 1 14067 10 35 25 W44BC 17 53 57 47.1 156.8 -1.0 -17.1 -14 1 2 14067 10 35 25 10 38 25 --- 17 56 57 47.3 157.9 -1.0 -16.3 166 R 1 13467 10 38 25 J1838+0404 17 56 57 51.1 163.2 -0.7 -12.5 -14 1 2 13467 10 38 25 10 40 25 =J1838+04 17 58 58 51.3 163.9 -0.7 -11.9 106 R 1 13067 10 40 25 W44DF 17 58 58 47.6 158.3 -1.0 -16.0 -13 1 2 13067 10 40 25 10 43 25 --- 18 01 58 47.8 159.4 -0.9 -15.2 167 R 1 12467 10 43 25 J1838+0404 18 01 58 51.4 165.1 -0.6 -11.1 -13 1 2 12467 10 43 25 10 45 25 =J1838+04 18 03 58 51.5 165.9 -0.6 -10.5 107 R 1 12067 Schedule for VLBA_NL (Code Nl ) 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 18 03 58 47.7 160.4 -0.9 -14.5 -14 1 2 12067 10 45 25 10 48 25 --- 18 06 59 47.9 161.5 -0.8 -13.7 166 R 1 11467 10 48 25 J1838+0404 18 06 59 51.6 167.1 -0.5 -9.6 -13 1 2 11467 10 48 25 10 50 25 =J1838+04 18 08 59 51.7 167.9 -0.5 -9.0 107 R 1 11067 10 50 25 W44DF 18 08 59 48.2 161.9 -0.8 -13.4 -13 1 2 11067 10 50 25 10 53 25 --- 18 12 00 48.4 163.0 -0.7 -12.6 167 R 1 10467 10 53 25 J1838+0404 18 12 00 51.8 169.1 -0.4 -8.1 -13 1 2 10467 10 53 25 10 55 25 =J1838+04 18 14 00 51.9 169.9 -0.4 -7.5 107 R 1 10067 10 55 25 W44BC 18 14 00 48.3 164.0 -0.7 -11.8 -13 1 2 10067 10 55 25 10 58 25 --- 18 17 01 48.5 165.1 -0.7 -11.0 167 R 1 9467 10 58 25 J1838+0404 18 17 01 52.0 171.1 -0.4 -6.7 -13 1 2 9467 10 58 25 11 00 25 =J1838+04 18 19 01 52.0 171.9 -0.3 -6.1 107 R 1 9067 11 01 10 J1751+0939 18 19 46 57.3 192.9 0.5 9.7 25 1 2 9067 11 00 25 11 05 50 --- 18 24 27 57.1 195.0 0.5 11.3 280 R 1 7983 11 05 50 W44DF 18 24 27 49.0 167.7 -0.5 -9.2 -24 1 2 7983 11 05 50 11 08 51 --- 18 27 28 49.1 168.8 -0.5 -8.3 157 R 1 7380 11 08 51 J1838+0404 18 27 28 52.2 175.3 -0.2 -3.5 -12 1 2 7380 11 08 51 11 10 51 =J1838+04 18 29 29 52.2 176.1 -0.2 -2.9 108 R 1 6980 11 10 51 W44BC 18 29 29 49.0 169.8 -0.4 -7.6 -13 1 2 6980 11 10 51 11 13 52 --- 18 32 30 49.1 170.9 -0.4 -6.7 168 R 1 6377 11 13 52 J1838+0404 18 32 30 52.3 177.4 -0.1 -2.0 -12 1 2 6377 11 13 52 11 15 52 =J1838+04 18 34 30 52.3 178.2 -0.1 -1.4 108 R 1 5977 11 15 52 W44DF 18 34 30 49.3 171.5 -0.4 -6.4 -12 1 2 5977 11 15 52 11 18 53 --- 18 37 32 49.4 172.6 -0.3 -5.5 169 R 1 5373 11 18 53 J1838+0404 18 37 32 52.3 179.4 0.0 -0.4 -12 1 2 5373 11 18 53 11 20 53 =J1838+04 18 39 32 52.3 180.2 0.0 0.2 108 R 1 4973 11 20 53 W44BC 18 39 32 49.2 173.6 -0.3 -4.8 -12 1 2 4973 11 20 53 11 23 54 --- 18 42 34 49.3 174.8 -0.2 -3.9 169 R 1 4370 Schedule for VLBA_NL (Code Nl ) 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 18 42 34 52.3 181.5 0.1 1.1 -12 1 2 4370 11 23 54 11 25 54 =J1838+04 18 44 34 52.3 182.3 0.1 1.7 108 R 1 3970 11 25 54 W44DF 18 44 34 49.6 175.3 -0.2 -3.5 -11 1 2 3970 11 25 54 11 28 55 --- 18 47 36 49.6 176.5 -0.2 -2.6 170 R 1 3367 11 28 55 J1838+0404 18 47 36 52.3 183.5 0.1 2.6 -11 1 2 3367 11 28 55 11 30 55 =J1838+04 18 49 36 52.2 184.3 0.2 3.2 109 R 1 2967 11 30 55 W44BC 18 49 36 49.4 177.5 -0.1 -1.9 -12 1 2 2967 11 30 55 11 33 56 --- 18 52 37 49.4 178.6 -0.1 -1.0 169 R 1 2363 11 33 56 J1838+0404 18 52 37 52.2 185.6 0.2 4.2 -12 1 2 2363 11 33 56 11 35 56 =J1838+04 18 54 38 52.1 186.4 0.3 4.8 108 R 1 1963 11 35 56 W44DF 18 54 38 49.6 179.2 0.0 -0.6 -11 1 2 1963 11 35 56 11 38 57 --- 18 57 39 49.6 180.4 0.0 0.3 170 R 1 1360 11 38 57 J1838+0404 18 57 39 52.1 187.6 0.3 5.7 -11 1 2 1360 11 38 57 11 40 57 =J1838+04 18 59 40 52.0 188.4 0.3 6.3 109 R 1 960 11 40 57 W44BC 18 59 40 49.4 181.3 0.1 1.0 -11 1 2 960 11 40 57 11 43 58 --- 19 02 41 49.4 182.5 0.1 1.9 170 R 1 357 11 43 58 J1838+0404 19 02 41 51.9 189.6 0.4 7.2 -11 1 1 357 11 43 58 11 45 58 =J1838+04 19 04 41 51.9 190.4 0.4 7.8 109 F 2 757 11 45 58 W44DF 19 04 41 49.6 183.1 0.1 2.3 -11 1 1 757 11 45 58 11 48 59 --- 19 07 43 49.6 184.3 0.2 3.2 170 F 2 1360 11 48 59 J1838+0404 19 07 43 51.8 191.6 0.5 8.7 -11 1 1 1360 11 48 59 11 50 59 =J1838+04 19 09 43 51.7 192.4 0.5 9.3 109 F 2 1760 11 50 59 W44BC 19 09 43 49.3 185.2 0.2 3.9 -11 1 1 1760 11 50 59 11 54 00 --- 19 12 45 49.2 186.3 0.3 4.7 170 F 2 2363 11 54 00 J1838+0404 19 12 45 51.6 193.6 0.6 10.1 -11 1 1 2363 11 54 00 11 56 00 =J1838+04 19 14 45 51.5 194.4 0.6 10.7 109 F 2 2763 11 56 00 W44DF 19 14 45 49.4 187.0 0.3 5.2 -11 1 1 2763 11 56 00 11 59 01 --- 19 17 47 49.4 188.1 0.4 6.0 170 F 2 3367 Schedule for VLBA_NL (Code Nl ) 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 19 17 47 51.3 195.6 0.6 11.6 -11 1 1 3367 11 59 01 12 01 01 =J1838+04 19 19 47 51.2 196.4 0.7 12.2 109 F 2 3767 12 01 01 W44BC 19 19 47 49.1 189.0 0.4 6.7 -11 1 1 3767 12 01 01 12 04 02 --- 19 22 48 49.0 190.2 0.4 7.6 170 F 2 4370 12 04 02 J1838+0404 19 22 48 51.0 197.6 0.7 13.0 -11 1 1 4370 12 04 02 12 06 02 =J1838+04 19 24 49 50.9 198.3 0.8 13.6 109 F 2 4770 12 06 02 W44DF 19 24 49 49.2 190.8 0.5 8.0 -11 1 1 4770 12 06 02 12 09 03 --- 19 27 50 49.0 191.9 0.5 8.9 170 F 2 5373 12 09 03 J1838+0404 19 27 50 50.7 199.5 0.8 14.4 -11 1 1 5373 12 09 03 12 11 03 =J1838+04 19 29 51 50.6 200.3 0.8 15.0 109 F 2 5773 12 11 03 W44BC 19 29 51 48.7 192.8 0.6 9.5 -11 1 1 5773 12 11 03 12 14 04 --- 19 32 52 48.6 193.9 0.6 10.4 170 F 2 6377 12 14 04 J1838+0404 19 32 52 50.4 201.4 0.9 15.8 -11 1 1 6377 12 14 04 12 16 04 =J1838+04 19 34 52 50.3 202.1 0.9 16.4 109 F 2 6777 12 19 14 3C345 19 38 03 57.2 281.5 2.9 72.1 131 1 1 6777 12 19 14 12 24 14 --- 19 43 04 56.3 282.0 3.0 71.7 300 F 2 7777 12 26 36 J1751+0939 19 45 26 49.3 226.0 1.9 33.0 99 1 1 7777 12 26 36 12 31 16 --- 19 50 07 48.7 227.5 2.0 33.9 280 F 2 8710 12 31 16 W44DF 19 50 07 47.9 200.1 0.9 14.9 -24 1 1 8710 12 31 16 12 34 17 --- 19 53 08 47.7 201.2 0.9 15.7 157 F 2 9313 12 34 17 J1838+0404 19 53 08 48.8 208.8 1.2 21.1 -11 1 1 9313 12 34 17 12 36 17 =J1838+04 19 55 09 48.6 209.5 1.3 21.6 109 F 2 9713 12 36 17 W44BC 19 55 09 47.3 202.0 1.0 16.2 -11 1 1 9713 12 36 17 12 39 18 --- 19 58 10 47.1 203.1 1.0 17.0 170 F 2 10317 12 39 18 J1838+0404 19 58 10 48.4 210.6 1.3 22.3 -11 1 1 10317 12 39 18 12 41 18 =J1838+04 20 00 11 48.2 211.3 1.4 22.8 109 F 2 10717 12 41 18 W44DF 20 00 11 47.2 203.7 1.1 17.5 -11 1 1 10717 12 41 18 12 44 19 --- 20 03 12 47.0 204.8 1.1 18.2 170 F 2 11320 Schedule for VLBA_NL (Code Nl ) 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 20 03 12 47.9 212.3 1.4 23.5 -11 1 1 11320 12 44 19 12 46 19 =J1838+04 20 05 12 47.7 213.0 1.4 24.0 109 F 2 11720 12 46 19 W44BC 20 05 12 46.5 205.5 1.2 18.8 -11 1 1 11720 12 46 19 12 49 20 --- 20 08 14 46.3 206.6 1.2 19.5 170 F 2 12323 12 49 20 J1838+0404 20 08 14 47.4 214.0 1.5 24.7 -11 1 1 12323 12 49 20 12 51 20 =J1838+04 20 10 14 47.1 214.7 1.5 25.2 109 F 2 12723 12 51 20 W44DF 20 10 14 46.4 207.2 1.2 19.9 -11 1 1 12723 12 51 20 12 54 21 --- 20 13 16 46.1 208.2 1.3 20.7 170 F 2 13327 12 54 21 J1838+0404 20 13 16 46.8 215.7 1.6 25.8 -11 1 1 13327 12 54 21 12 56 21 =J1838+04 20 15 16 46.6 216.3 1.6 26.3 109 F 2 13727 12 56 21 W44BC 20 15 16 45.7 208.9 1.3 21.2 -11 1 1 13727 12 56 21 12 59 22 --- 20 18 17 45.4 210.0 1.4 21.9 170 F 2 14330 12 59 22 J1838+0404 20 18 17 46.3 217.3 1.7 26.9 -11 1 1 14330 12 59 22 13 01 22 =J1838+04 20 20 18 46.0 217.9 1.7 27.4 109 F 2 14730 13 01 22 W44DF 20 20 18 45.5 210.6 1.4 22.3 -11 1 1 14730 13 01 22 13 04 23 --- 20 23 19 45.2 211.6 1.4 23.0 170 F 2 15333 13 04 23 J1838+0404 20 23 19 45.7 218.9 1.7 28.0 -11 1 1 15333 13 04 23 13 06 23 =J1838+04 20 25 20 45.4 219.5 1.8 28.4 109 F 2 15733 13 06 23 W44BC 20 25 20 44.7 212.3 1.5 23.5 -11 1 1 15733 13 06 23 13 09 24 --- 20 28 21 44.4 213.2 1.5 24.1 170 F 2 16337 13 09 24 J1838+0404 20 28 21 45.1 220.5 1.8 29.0 -11 1 1 16337 13 09 24 13 11 24 =J1838+04 20 30 21 44.8 221.1 1.9 29.4 109 F 2 16737 13 11 24 W44DF 20 30 21 44.5 213.8 1.6 24.5 -11 1 1 16737 13 11 24 13 14 25 --- 20 33 23 44.2 214.8 1.6 25.2 170 F 2 17340 13 14 25 J1838+0404 20 33 23 44.5 222.0 1.9 30.0 -11 1 2 17340 13 14 25 13 16 25 =J1838+04 20 35 23 44.2 222.6 1.9 30.4 109 R 2 16940 13 16 25 W44BC 20 35 23 43.7 215.4 1.7 25.6 -11 1 2 16940 13 16 25 13 19 26 --- 20 38 25 43.3 216.4 1.7 26.3 170 R 2 16337 Schedule for VLBA_NL (Code Nl ) 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 20 38 25 43.8 223.5 2.0 31.0 -11 1 2 16337 13 19 26 13 21 26 =J1838+04 20 40 25 43.6 224.1 2.0 31.4 109 R 2 15937 13 21 26 W44DF 20 40 25 43.4 217.0 1.7 26.7 -11 1 2 15937 13 21 26 13 24 27 --- 20 43 27 43.0 217.9 1.8 27.3 170 R 2 15333 13 24 27 J1838+0404 20 43 27 43.2 225.0 2.1 31.9 -11 1 2 15333 13 24 27 13 26 27 =J1838+04 20 45 27 42.9 225.6 2.1 32.3 109 R 2 14933 13 26 27 W44BC 20 45 27 42.5 218.5 1.8 27.7 -11 1 2 14933 13 26 27 13 29 28 --- 20 48 28 42.2 219.4 1.9 28.3 170 R 2 14330 13 29 28 J1838+0404 20 48 28 42.5 226.4 2.2 32.8 -11 1 2 14330 13 29 28 13 31 28 =J1838+04 20 50 29 42.2 227.0 2.2 33.1 109 R 2 13930 13 31 28 W44DF 20 50 29 42.2 220.0 1.9 28.7 -11 1 2 13930 13 31 28 13 34 29 --- 20 53 30 41.9 220.9 1.9 29.2 170 R 2 13327 13 34 29 J1838+0404 20 53 30 41.8 227.8 2.2 33.7 -11 1 2 13327 13 34 29 13 36 29 =J1838+04 20 55 31 41.5 228.4 2.3 34.0 109 R 2 12927 13 36 29 W44BC 20 55 31 41.3 221.5 2.0 29.6 -11 1 2 12927 13 36 29 13 39 30 --- 20 58 32 41.0 222.4 2.0 30.2 170 R 2 12323 13 39 30 J1838+0404 20 58 32 41.1 229.2 2.3 34.5 -11 1 2 12323 13 39 30 13 41 30 =J1838+04 21 00 32 40.8 229.8 2.4 34.8 109 R 2 11923 13 42 17 J1751+0939 21 01 20 37.5 246.2 3.2 43.8 31 1 2 11923 13 41 30 13 46 57 --- 21 06 01 36.7 247.3 3.2 44.3 280 R 2 10831 13 46 57 W44DF 21 06 01 40.3 224.5 2.2 31.5 -21 1 2 10831 13 46 57 13 49 57 --- 21 09 02 39.9 225.3 2.2 32.0 159 R 2 10231 13 49 57 J1838+0404 21 09 02 39.6 232.0 2.5 36.1 -10 1 2 10231 13 49 57 13 51 57 =J1838+04 21 11 02 39.3 232.6 2.5 36.4 110 R 2 9831 13 51 57 W44BC 21 11 02 39.3 225.9 2.2 32.4 -10 1 2 9831 13 51 57 13 54 57 --- 21 14 02 38.9 226.7 2.3 32.9 170 R 2 9231 13 54 57 J1838+0404 21 14 02 38.9 233.3 2.6 36.8 -10 1 2 9231 13 54 57 13 56 57 =J1838+04 21 16 03 38.6 233.8 2.6 37.1 110 R 2 8831 Schedule for VLBA_NL (Code Nl ) 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 21 16 03 38.9 227.2 2.3 33.2 -10 1 2 8831 13 56 57 13 59 57 --- 21 19 03 38.5 228.0 2.4 33.7 170 R 2 8231 13 59 57 J1838+0404 21 19 03 38.1 234.6 2.7 37.5 -10 1 2 8231 13 59 57 14 01 57 =J1838+04 21 21 04 37.8 235.1 2.7 37.8 110 R 2 7831 14 01 57 W44BC 21 21 04 38.0 228.5 2.4 34.0 -10 1 2 7831 14 01 57 14 04 57 --- 21 24 04 37.5 229.3 2.5 34.5 170 R 2 7231 14 04 57 J1838+0404 21 24 04 37.3 235.8 2.8 38.2 -10 1 2 7231 14 04 57 14 06 57 =J1838+04 21 26 04 37.0 236.3 2.8 38.5 110 R 2 6831 14 06 57 W44DF 21 26 04 37.5 229.9 2.5 34.8 -10 1 2 6831 14 06 57 14 09 57 --- 21 29 05 37.1 230.7 2.5 35.2 170 R 2 6231 14 09 57 J1838+0404 21 29 05 36.6 237.1 2.8 38.9 -10 1 2 6231 14 09 57 14 11 57 =J1838+04 21 31 05 36.2 237.6 2.9 39.1 110 R 2 5831 14 11 57 W44BC 21 31 05 36.5 231.1 2.6 35.5 -10 1 2 5831 14 11 57 14 14 57 --- 21 34 06 36.1 231.9 2.6 35.9 170 R 2 5231 14 14 57 J1838+0404 21 34 06 35.8 238.3 2.9 39.5 -10 1 2 5231 14 14 57 14 16 57 =J1838+04 21 36 06 35.4 238.7 3.0 39.7 110 R 2 4831 14 16 57 W44DF 21 36 06 36.1 232.4 2.7 36.3 -10 1 2 4831 14 16 57 14 19 57 --- 21 39 06 35.6 233.2 2.7 36.7 170 R 2 4231 14 19 57 J1838+0404 21 39 06 35.0 239.4 3.0 40.1 -10 1 2 4231 14 19 57 14 21 57 =J1838+04 21 41 07 34.6 239.9 3.0 40.3 110 R 2 3831 14 21 57 W44BC 21 41 07 35.1 233.6 2.7 36.9 -10 1 2 3831 14 21 57 14 24 57 --- 21 44 07 34.6 234.3 2.8 37.3 170 R 2 3231 14 24 57 J1838+0404 21 44 07 34.2 240.6 3.1 40.6 -10 1 2 3231 14 24 57 14 26 57 =J1838+04 21 46 08 33.8 241.1 3.1 40.9 110 R 2 2831 14 26 57 W44DF 21 46 08 34.6 234.9 2.8 37.6 -10 1 2 2831 14 26 57 14 29 57 --- 21 49 08 34.1 235.6 2.9 38.0 170 R 2 2231 14 29 57 J1838+0404 21 49 08 33.3 241.7 3.2 41.2 -10 1 2 2231 14 29 57 14 31 57 =J1838+04 21 51 08 33.0 242.2 3.2 41.4 110 R 2 1831 Schedule for VLBA_NL (Code Nl ) 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 21 51 08 33.5 236.0 2.9 38.2 -10 1 2 1831 14 31 57 14 34 57 --- 21 54 09 33.1 236.7 3.0 38.6 170 R 2 1231 14 34 57 J1838+0404 21 54 09 32.5 242.9 3.3 41.7 -10 1 2 1231 14 34 57 14 36 57 =J1838+04 21 56 09 32.2 243.3 3.3 41.9 110 R 2 831 14 36 57 W44DF 21 56 09 33.0 237.3 3.0 38.9 -10 1 2 831 14 36 57 14 39 57 --- 21 59 10 32.5 237.9 3.0 39.2 170 R 2 231 14 39 57 J1838+0404 21 59 10 31.7 244.0 3.3 42.2 -10 1 3 231 14 39 57 14 41 57 =J1838+04 22 01 10 31.3 244.4 3.4 42.4 110 F 1 631 14 41 57 W44BC 22 01 10 32.0 238.3 3.1 39.4 -10 1 3 631 14 41 57 14 44 57 --- 22 04 11 31.5 239.0 3.1 39.8 170 F 1 1231 14 44 57 J1838+0404 22 04 11 30.8 245.0 3.4 42.7 -10 1 3 1231 14 44 57 14 46 57 =J1838+04 22 06 11 30.5 245.5 3.5 42.9 110 F 1 1631 14 46 57 W44DF 22 06 11 31.4 239.5 3.2 40.0 -10 1 3 1631 14 46 57 14 49 57 --- 22 09 11 30.9 240.2 3.2 40.4 170 F 1 2231 14 49 57 J1838+0404 22 09 11 30.0 246.1 3.5 43.1 -10 1 3 2231 14 49 57 14 51 57 =J1838+04 22 11 12 29.6 246.5 3.5 43.3 110 F 1 2631 14 51 57 W44BC 22 11 12 30.4 240.6 3.3 40.5 -10 1 3 2631 14 51 57 14 54 57 --- 22 14 12 29.9 241.2 3.3 40.8 170 F 1 3231 14 54 57 J1838+0404 22 14 12 29.1 247.1 3.6 43.5 -10 1 3 3231 14 54 57 14 56 57 =J1838+04 22 16 13 28.8 247.6 3.6 43.7 110 F 1 3631 14 57 36 J1751+0939 22 16 51 24.0 261.2 4.4 48.4 23 1 3 3631 14 56 57 15 02 16 --- 22 21 32 23.2 262.1 4.5 48.5 280 F 1 4693 15 02 16 W44DF 22 21 32 28.9 242.9 3.4 41.6 -19 1 3 4693 15 02 16 15 05 16 --- 22 24 33 28.4 243.5 3.5 41.9 161 F 1 5293 15 05 16 J1838+0404 22 24 33 27.3 249.2 3.8 44.4 -10 1 3 5293 15 05 16 15 07 16 =J1838+04 22 26 33 27.0 249.6 3.8 44.5 110 F 1 5693 15 07 16 W44BC 22 26 33 27.8 243.9 3.5 42.1 -10 1 3 5693 15 07 16 15 10 16 --- 22 29 33 27.3 244.5 3.6 42.3 170 F 1 6293 Schedule for VLBA_NL (Code Nl ) 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 22 29 33 26.4 250.2 3.8 44.7 -10 1 3 6293 15 10 16 15 12 16 =J1838+04 22 31 34 26.1 250.6 3.9 44.9 110 F 1 6693 15 12 16 W44DF 22 31 34 27.2 245.0 3.6 42.5 -10 1 3 6693 15 12 16 15 15 16 --- 22 34 34 26.7 245.6 3.6 42.8 170 F 1 7293 15 15 16 J1838+0404 22 34 34 25.6 251.2 3.9 45.1 -10 1 3 7293 15 15 16 15 17 16 =J1838+04 22 36 35 25.2 251.6 4.0 45.2 110 F 1 7693 15 17 16 W44BC 22 36 35 26.1 246.0 3.7 42.9 -10 1 3 7693 15 17 16 15 20 16 --- 22 39 35 25.6 246.6 3.7 43.2 170 F 1 8293 15 20 16 J1838+0404 22 39 35 24.7 252.2 4.0 45.4 -10 1 3 8293 15 20 16 15 22 16 =J1838+04 22 41 35 24.3 252.6 4.0 45.5 110 F 1 8693 15 22 16 W44DF 22 41 35 25.5 247.1 3.7 43.4 -10 1 3 8693 15 22 16 15 25 16 --- 22 44 36 25.0 247.7 3.8 43.6 170 F 1 9293 15 25 16 J1838+0404 22 44 36 23.8 253.2 4.1 45.7 -10 1 3 9293 15 25 16 15 27 16 =J1838+04 22 46 36 23.4 253.5 4.1 45.8 110 F 1 9693 15 27 16 W44BC 22 46 36 24.4 248.0 3.8 43.8 -10 1 3 9693 15 27 16 15 30 16 --- 22 49 37 23.9 248.6 3.9 44.0 170 F 1 10293 15 30 16 J1838+0404 22 49 37 22.9 254.1 4.2 46.0 -10 1 3 10293 15 30 16 15 32 16 =J1838+04 22 51 37 22.5 254.5 4.2 46.1 110 F 1 10693 15 32 16 W44DF 22 51 37 23.8 249.0 3.9 44.2 -10 1 3 10693 15 32 16 15 35 16 --- 22 54 38 23.3 249.6 4.0 44.4 170 F 1 11293 15 35 16 J1838+0404 22 54 38 22.0 255.1 4.3 46.3 -10 1 3 11293 15 35 16 15 37 16 =J1838+04 22 56 38 21.6 255.4 4.3 46.4 110 F 1 11693 15 37 16 W44BC 22 56 38 22.7 249.9 4.0 44.5 -10 1 3 11693 15 37 16 15 40 16 --- 22 59 38 22.1 250.5 4.1 44.7 170 F 1 12293 15 40 16 J1838+0404 22 59 38 21.1 256.0 4.3 46.5 -10 1 3 12293 15 40 16 15 42 16 =J1838+04 23 01 39 20.7 256.3 4.4 46.6 110 F 1 12693 15 42 54 J1751+0939 23 02 17 15.6 269.1 5.2 49.1 22 1 3 12693 15 42 16 15 47 34 --- 23 06 58 14.7 269.9 5.3 49.2 280 F 1 13753 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