COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: SNR/OH(1720 MHz) Masers Toward W44 Exp. Code: BH102D 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- Next scan frequencies: 1720.49 1720.49 1720.42 1720.42 1719.42 1719.42 1718.42 1718.42 Next BBC frequencies: 679.51 679.51 679.58 679.58 680.58 680.58 681.58 681.58 Next scan bandwidths: 0.06 0.06 1.00 1.00 1.00 1.00 1.00 1.00 08 00 00 3C286 15 37 49 62.3 256.3 2.1 57.2 0 1 1 0 08 00 00 08 05 00 --- 15 42 50 61.4 257.5 2.2 57.7 300 F 1 1000 08 09 04 J1751+0939 15 46 55 47.8 130.5 -2.1 -35.1 153 1 1 1000 08 09 04 08 13 44 --- 15 51 35 48.4 132.0 -2.0 -34.2 280 F 1 1933 08 15 45 3C345 15 53 37 80.4 97.8 -0.8 -74.1 52 1 1 1933 08 15 45 08 20 45 --- 15 58 38 81.4 99.5 -0.7 -73.2 300 F 1 2933 08 20 45 W44DF 15 58 38 33.2 123.1 -3.0 -38.7 -102 1 1 2933 08 20 45 08 23 45 --- 16 01 39 33.7 123.8 -2.9 -38.3 78 F 1 3533 08 23 45 J1838+0404 16 01 39 38.5 126.1 -2.6 -37.2 -16 1 1 3533 08 23 45 08 25 45 =J1838+04 16 03 39 38.8 126.6 -2.6 -36.9 104 F 1 3933 08 25 45 W44BC 16 03 39 33.9 124.6 -2.9 -37.9 -16 1 1 3933 08 25 45 08 28 45 --- 16 06 39 34.4 125.3 -2.8 -37.5 164 F 1 4533 08 28 45 J1838+0404 16 06 39 39.3 127.4 -2.5 -36.4 -16 1 1 4533 08 28 45 08 30 45 =J1838+04 16 08 40 39.6 127.9 -2.5 -36.2 104 F 1 4933 08 30 45 W44DF 16 08 40 34.8 125.5 -2.8 -37.4 -16 1 1 4933 08 30 45 08 33 45 --- 16 11 40 35.2 126.2 -2.8 -37.0 164 F 1 5533 08 33 45 J1838+0404 16 11 40 40.0 128.7 -2.5 -35.7 -16 1 1 5533 08 33 45 08 35 45 =J1838+04 16 13 41 40.3 129.2 -2.4 -35.4 104 F 1 5933 08 35 45 W44BC 16 13 41 35.4 127.0 -2.7 -36.6 -16 1 1 5933 08 35 45 08 38 45 --- 16 16 41 35.9 127.7 -2.7 -36.2 164 F 1 6533 08 38 45 J1838+0404 16 16 41 40.7 130.0 -2.4 -34.9 -16 1 1 6533 08 38 45 08 40 45 =J1838+04 16 18 41 41.0 130.6 -2.3 -34.6 104 F 1 6933 08 40 45 W44DF 16 18 41 36.3 127.9 -2.6 -36.1 -15 1 1 6933 08 40 45 08 43 45 --- 16 21 42 36.7 128.7 -2.6 -35.6 165 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 08 43 45 J1838+0404 16 21 42 41.4 131.4 -2.3 -34.1 -15 1 1 7533 08 43 45 08 45 45 =J1838+04 16 23 42 41.7 132.0 -2.3 -33.8 105 F 1 7933 08 45 45 W44BC 16 23 42 36.9 129.5 -2.5 -35.1 -16 1 1 7933 08 45 45 08 48 45 --- 16 26 43 37.3 130.3 -2.5 -34.7 164 F 1 8533 08 48 45 J1838+0404 16 26 43 42.1 132.8 -2.2 -33.3 -16 1 1 8533 08 48 45 08 50 45 =J1838+04 16 28 43 42.4 133.4 -2.2 -32.9 104 F 1 8933 08 50 45 W44DF 16 28 43 37.7 130.5 -2.5 -34.6 -15 1 1 8933 08 50 45 08 53 45 --- 16 31 44 38.2 131.3 -2.4 -34.1 165 F 1 9533 08 53 45 J1838+0404 16 31 44 42.8 134.2 -2.1 -32.4 -15 1 1 9533 08 53 45 08 55 45 =J1838+04 16 33 44 43.1 134.8 -2.1 -32.0 105 F 1 9933 08 55 45 W44BC 16 33 44 38.3 132.1 -2.4 -33.6 -16 1 1 9933 08 55 45 08 58 45 --- 16 36 44 38.7 132.9 -2.3 -33.1 164 F 1 10533 08 58 45 J1838+0404 16 36 44 43.5 135.7 -2.0 -31.5 -15 1 1 10533 08 58 45 09 00 45 =J1838+04 16 38 45 43.7 136.3 -2.0 -31.1 105 F 1 10933 09 04 55 3C286 16 42 55 50.2 269.4 3.2 59.9 155 1 1 10933 09 04 55 09 09 55 --- 16 47 56 49.3 270.3 3.3 59.9 300 F 1 11933 09 13 50 3C345 16 51 52 87.4 220.8 0.1 39.4 153 1 1 11933 09 13 50 09 18 50 --- 16 56 53 86.7 234.0 0.2 51.8 300 F 1 12933 09 26 20 J1751+0939 17 04 23 56.2 158.7 -0.8 -16.0 382 1 1 12933 09 26 20 09 31 00 --- 17 09 04 56.5 160.7 -0.7 -14.5 280 F 1 13867 09 31 00 W44DF 17 09 04 42.9 141.8 -1.8 -27.5 -33 1 1 13867 09 31 00 09 34 00 --- 17 12 04 43.3 142.7 -1.7 -26.9 147 F 1 14467 09 34 00 J1838+0404 17 12 04 47.6 146.8 -1.4 -24.2 -15 1 1 14467 09 34 00 09 36 00 =J1838+04 17 14 05 47.8 147.5 -1.4 -23.7 105 F 1 14867 09 36 00 W44BC 17 14 05 43.4 143.7 -1.7 -26.2 -15 1 1 14867 09 36 00 09 39 00 --- 17 17 05 43.7 144.6 -1.7 -25.6 165 F 1 15467 09 39 00 J1838+0404 17 17 05 48.1 148.5 -1.4 -23.0 -15 1 1 15467 09 39 00 09 41 00 =J1838+04 17 19 06 48.3 149.2 -1.3 -22.5 105 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 09 41 00 W44DF 17 19 06 44.1 144.9 -1.6 -25.4 -14 1 1 15867 09 41 00 09 44 00 --- 17 22 06 44.4 145.9 -1.6 -24.7 166 F 1 16467 09 44 00 J1838+0404 17 22 06 48.6 150.3 -1.3 -21.8 -14 1 1 16467 09 44 00 09 46 00 =J1838+04 17 24 06 48.8 151.0 -1.2 -21.3 106 F 1 16867 09 46 00 W44BC 17 24 06 44.4 146.8 -1.5 -24.1 -15 1 1 16867 09 46 00 09 49 00 --- 17 27 07 44.7 147.8 -1.5 -23.4 165 F 1 17467 09 49 00 J1838+0404 17 27 07 49.0 152.0 -1.2 -20.5 -15 1 2 17467 09 49 00 09 51 00 =J1838+04 17 29 07 49.2 152.7 -1.2 -20.0 105 R 1 17067 09 51 00 W44DF 17 29 07 45.1 148.1 -1.5 -23.2 -14 1 2 17067 09 51 00 09 54 00 --- 17 32 08 45.4 149.1 -1.4 -22.5 166 R 1 16467 09 54 00 J1838+0404 17 32 08 49.4 153.8 -1.1 -19.3 -14 1 2 16467 09 54 00 09 56 00 =J1838+04 17 34 08 49.6 154.6 -1.1 -18.7 106 R 1 16067 09 56 00 W44BC 17 34 08 45.4 150.1 -1.4 -21.9 -14 1 2 16067 09 56 00 09 59 00 --- 17 37 09 45.7 151.1 -1.3 -21.2 166 R 1 15467 09 59 00 J1838+0404 17 37 09 49.8 155.7 -1.0 -18.0 -14 1 2 15467 09 59 00 10 01 00 =J1838+04 17 39 09 50.0 156.4 -1.0 -17.4 106 R 1 15067 10 01 00 W44DF 17 39 09 46.0 151.4 -1.3 -20.9 -14 1 2 15067 10 01 00 10 04 00 --- 17 42 09 46.3 152.5 -1.2 -20.2 166 R 1 14467 10 04 00 J1838+0404 17 42 09 50.2 157.5 -0.9 -16.6 -14 1 2 14467 10 04 00 10 06 00 =J1838+04 17 44 10 50.4 158.3 -0.9 -16.1 106 R 1 14067 10 06 00 W44BC 17 44 10 46.3 153.4 -1.2 -19.5 -14 1 2 14067 10 06 00 10 09 00 --- 17 47 10 46.5 154.5 -1.2 -18.8 166 R 1 13467 10 09 00 J1838+0404 17 47 10 50.6 159.4 -0.9 -15.3 -14 1 2 13467 10 09 00 10 11 00 =J1838+04 17 49 11 50.7 160.2 -0.8 -14.7 106 R 1 13067 10 11 00 W44DF 17 49 11 46.9 154.9 -1.1 -18.5 -14 1 2 13067 10 11 00 10 14 00 --- 17 52 11 47.1 155.9 -1.1 -17.7 166 R 1 12467 10 14 00 J1838+0404 17 52 11 50.9 161.3 -0.8 -13.9 -14 1 2 12467 10 14 00 10 16 00 =J1838+04 17 54 11 51.0 162.1 -0.7 -13.3 106 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 10 16 00 W44BC 17 54 11 47.1 156.9 -1.0 -17.0 -14 1 2 12067 10 16 00 10 19 00 --- 17 57 12 47.3 158.0 -1.0 -16.3 166 R 1 11467 10 19 00 J1838+0404 17 57 12 51.2 163.2 -0.7 -12.4 -14 1 2 11467 10 19 00 10 21 00 =J1838+04 17 59 12 51.3 164.0 -0.7 -11.9 106 R 1 11067 10 21 00 W44DF 17 59 12 47.6 158.4 -1.0 -15.9 -13 1 2 11067 10 21 00 10 24 00 --- 18 02 13 47.8 159.5 -0.9 -15.2 167 R 1 10467 10 24 00 J1838+0404 18 02 13 51.4 165.2 -0.6 -11.0 -13 1 2 10467 10 24 00 10 26 00 =J1838+04 18 04 13 51.5 166.0 -0.6 -10.4 107 R 1 10067 10 26 00 W44BC 18 04 13 47.8 160.5 -0.9 -14.4 -14 1 2 10067 10 26 00 10 29 00 --- 18 07 13 47.9 161.6 -0.8 -13.7 166 R 1 9467 10 29 00 J1838+0404 18 07 13 51.6 167.2 -0.5 -9.6 -13 1 2 9467 10 29 00 10 31 00 =J1838+04 18 09 14 51.7 168.0 -0.5 -9.0 107 R 1 9067 10 31 46 J1751+0939 18 10 00 57.6 188.4 0.3 6.4 27 1 2 9067 10 31 00 10 36 26 --- 18 14 41 57.5 190.6 0.4 8.0 280 R 1 7978 10 36 26 W44DF 18 14 41 48.6 164.0 -0.7 -11.9 -24 1 2 7978 10 36 26 10 39 27 --- 18 17 43 48.7 165.1 -0.6 -11.0 157 R 1 7375 10 39 27 J1838+0404 18 17 43 52.0 171.4 -0.4 -6.4 -13 1 2 7375 10 39 27 10 41 27 =J1838+04 18 19 43 52.1 172.2 -0.3 -5.8 107 R 1 6975 10 41 27 W44BC 18 19 43 48.6 166.1 -0.6 -10.3 -13 1 2 6975 10 41 27 10 44 28 --- 18 22 45 48.7 167.3 -0.6 -9.5 168 R 1 6372 10 44 28 J1838+0404 18 22 45 52.1 173.4 -0.3 -4.9 -13 1 2 6372 10 44 28 10 46 28 =J1838+04 18 24 45 52.2 174.2 -0.2 -4.3 107 R 1 5972 10 46 28 W44DF 18 24 45 49.0 167.8 -0.5 -9.1 -12 1 2 5972 10 46 28 10 49 29 --- 18 27 46 49.1 168.9 -0.5 -8.2 169 R 1 5368 10 49 29 J1838+0404 18 27 46 52.2 175.4 -0.2 -3.4 -12 1 2 5368 10 49 29 10 51 29 =J1838+04 18 29 47 52.2 176.3 -0.2 -2.8 108 R 1 4968 10 51 29 W44BC 18 29 47 49.0 169.9 -0.4 -7.5 -13 1 2 4968 10 51 29 10 54 30 --- 18 32 48 49.1 171.1 -0.4 -6.7 168 R 1 4365 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 10 54 30 J1838+0404 18 32 48 52.3 177.5 -0.1 -1.9 -12 1 2 4365 10 54 30 10 56 30 =J1838+04 18 34 49 52.3 178.3 -0.1 -1.3 108 R 1 3965 10 56 30 W44DF 18 34 49 49.3 171.6 -0.4 -6.3 -12 1 2 3965 10 56 30 10 59 31 --- 18 37 50 49.4 172.7 -0.3 -5.4 169 R 1 3362 10 59 31 J1838+0404 18 37 50 52.3 179.5 0.0 -0.3 -12 1 2 3362 10 59 31 11 01 31 =J1838+04 18 39 50 52.3 180.4 0.0 0.3 108 R 1 2962 11 01 31 W44BC 18 39 50 49.2 173.7 -0.3 -4.7 -12 1 2 2962 11 01 31 11 04 32 --- 18 42 52 49.3 174.9 -0.2 -3.8 169 R 1 2358 11 04 32 J1838+0404 18 42 52 52.3 181.6 0.1 1.2 -12 1 2 2358 11 04 32 11 06 32 =J1838+04 18 44 52 52.3 182.4 0.1 1.8 108 R 1 1958 11 06 32 W44DF 18 44 52 49.6 175.4 -0.2 -3.4 -11 1 2 1958 11 06 32 11 09 33 --- 18 47 54 49.6 176.6 -0.1 -2.5 170 R 1 1355 11 09 33 J1838+0404 18 47 54 52.2 183.6 0.1 2.7 -11 1 2 1355 11 09 33 11 11 33 =J1838+04 18 49 54 52.2 184.5 0.2 3.3 109 R 1 955 11 11 33 W44BC 18 49 54 49.4 177.6 -0.1 -1.8 -12 1 2 955 11 11 33 11 14 34 --- 18 52 55 49.4 178.7 -0.1 -0.9 169 R 1 352 11 14 34 J1838+0404 18 52 55 52.2 185.7 0.2 4.2 -12 1 1 352 11 14 34 11 16 34 =J1838+04 18 54 56 52.1 186.5 0.3 4.9 108 F 2 752 11 16 34 W44DF 18 54 56 49.6 179.3 0.0 -0.5 -11 1 1 752 11 16 34 11 19 35 --- 18 57 57 49.6 180.5 0.0 0.4 170 F 2 1355 11 19 35 J1838+0404 18 57 57 52.1 187.7 0.3 5.8 -11 1 1 1355 11 19 35 11 21 35 =J1838+04 18 59 58 52.0 188.5 0.3 6.4 109 F 2 1755 11 21 35 W44BC 18 59 58 49.4 181.5 0.1 1.1 -11 1 1 1755 11 21 35 11 24 36 --- 19 02 59 49.4 182.6 0.1 1.9 170 F 2 2358 11 24 36 J1838+0404 19 02 59 51.9 189.7 0.4 7.3 -11 1 1 2358 11 24 36 11 26 36 =J1838+04 19 04 59 51.9 190.5 0.4 7.9 109 F 2 2758 11 26 36 W44DF 19 04 59 49.6 183.2 0.1 2.4 -11 1 1 2758 11 26 36 11 29 37 --- 19 08 01 49.6 184.4 0.2 3.3 170 F 2 3362 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 11 29 37 J1838+0404 19 08 01 51.7 191.7 0.5 8.8 -11 1 1 3362 11 29 37 11 31 37 =J1838+04 19 10 01 51.7 192.5 0.5 9.3 109 F 2 3762 11 31 37 W44BC 19 10 01 49.3 185.3 0.2 4.0 -11 1 1 3762 11 31 37 11 34 38 --- 19 13 03 49.2 186.5 0.3 4.8 170 F 2 4365 11 34 38 J1838+0404 19 13 03 51.5 193.7 0.6 10.2 -11 1 1 4365 11 34 38 11 36 38 =J1838+04 19 15 03 51.4 194.5 0.6 10.8 109 F 2 4765 11 36 38 W44DF 19 15 03 49.4 187.1 0.3 5.3 -11 1 1 4765 11 36 38 11 39 39 --- 19 18 05 49.4 188.2 0.4 6.1 170 F 2 5368 11 39 39 J1838+0404 19 18 05 51.3 195.7 0.7 11.7 -11 1 1 5368 11 39 39 11 41 39 =J1838+04 19 20 05 51.2 196.5 0.7 12.3 109 F 2 5768 11 41 39 W44BC 19 20 05 49.1 189.1 0.4 6.8 -11 1 1 5768 11 41 39 11 44 40 --- 19 23 06 49.0 190.3 0.4 7.7 170 F 2 6372 11 44 40 J1838+0404 19 23 06 51.0 197.7 0.7 13.1 -11 1 1 6372 11 44 40 11 46 40 =J1838+04 19 25 07 50.9 198.4 0.8 13.7 109 F 2 6772 11 49 58 3C345 19 28 26 58.9 280.4 2.8 72.7 138 1 1 6772 11 49 58 11 54 58 --- 19 33 26 58.0 280.9 2.8 72.4 300 F 2 7772 11 57 28 J1751+0939 19 35 57 50.5 223.0 1.7 31.0 105 1 1 7772 11 57 28 12 02 08 --- 19 40 37 49.9 224.5 1.8 32.0 280 F 2 8705 12 02 08 W44DF 19 40 37 48.5 196.7 0.7 12.4 -25 1 1 8705 12 02 08 12 05 09 --- 19 43 39 48.3 197.8 0.8 13.2 156 F 2 9308 12 05 09 J1838+0404 19 43 39 49.6 205.4 1.1 18.7 -11 1 1 9308 12 05 09 12 07 09 =J1838+04 19 45 39 49.5 206.1 1.1 19.2 109 F 2 9708 12 07 09 W44BC 19 45 39 47.9 198.6 0.8 13.8 -11 1 1 9708 12 07 09 12 10 10 --- 19 48 41 47.7 199.7 0.9 14.6 170 F 2 10312 12 10 10 J1838+0404 19 48 41 49.2 207.2 1.2 20.0 -11 1 1 10312 12 10 10 12 12 10 =J1838+04 19 50 41 49.0 207.9 1.2 20.5 109 F 2 10712 12 12 10 W44DF 19 50 41 47.9 200.3 0.9 15.0 -11 1 1 10712 12 12 10 12 15 11 --- 19 53 43 47.7 201.4 1.0 15.8 170 F 2 11315 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 12 15 11 J1838+0404 19 53 43 48.8 209.0 1.2 21.3 -11 1 1 11315 12 15 11 12 17 11 =J1838+04 19 55 43 48.6 209.7 1.3 21.7 109 F 2 11715 12 17 11 W44BC 19 55 43 47.3 202.2 1.0 16.4 -11 1 1 11715 12 17 11 12 20 12 --- 19 58 44 47.0 203.3 1.0 17.2 170 F 2 12318 12 20 12 J1838+0404 19 58 44 48.3 210.8 1.3 22.5 -11 1 1 12318 12 20 12 12 22 12 =J1838+04 20 00 45 48.1 211.5 1.4 23.0 109 F 2 12718 12 22 12 W44DF 20 00 45 47.1 203.9 1.1 17.6 -11 1 1 12718 12 22 12 12 25 13 --- 20 03 46 46.9 205.0 1.1 18.4 170 F 2 13322 12 25 13 J1838+0404 20 03 46 47.8 212.5 1.4 23.7 -11 1 1 13322 12 25 13 12 27 13 =J1838+04 20 05 47 47.6 213.2 1.4 24.1 109 F 2 13722 12 27 13 W44BC 20 05 47 46.5 205.7 1.2 18.9 -11 1 1 13722 12 27 13 12 30 14 --- 20 08 48 46.2 206.8 1.2 19.6 170 F 2 14325 12 30 14 J1838+0404 20 08 48 47.3 214.2 1.5 24.8 -11 1 1 14325 12 30 14 12 32 14 =J1838+04 20 10 48 47.1 214.8 1.5 25.3 109 F 2 14725 12 32 14 W44DF 20 10 48 46.3 207.4 1.2 20.1 -11 1 1 14725 12 32 14 12 35 15 --- 20 13 50 46.1 208.4 1.3 20.8 170 F 2 15328 12 35 15 J1838+0404 20 13 50 46.8 215.8 1.6 26.0 -11 1 1 15328 12 35 15 12 37 15 =J1838+04 20 15 50 46.5 216.5 1.6 26.4 109 F 2 15728 12 37 15 W44BC 20 15 50 45.6 209.1 1.3 21.3 -11 1 1 15728 12 37 15 12 40 16 --- 20 18 52 45.3 210.1 1.4 22.0 170 F 2 16332 12 40 16 J1838+0404 20 18 52 46.2 217.5 1.7 27.1 -11 1 1 16332 12 40 16 12 42 16 =J1838+04 20 20 52 46.0 218.1 1.7 27.5 109 F 2 16732 12 42 16 W44DF 20 20 52 45.4 210.8 1.4 22.4 -11 1 1 16732 12 42 16 12 45 17 --- 20 23 54 45.1 211.8 1.5 23.1 170 F 2 17335 12 45 17 J1838+0404 20 23 54 45.6 219.1 1.7 28.1 -11 1 2 17335 12 45 17 12 47 17 =J1838+04 20 25 54 45.4 219.7 1.8 28.5 109 R 2 16935 12 47 17 W44BC 20 25 54 44.7 212.4 1.5 23.6 -11 1 2 16935 12 47 17 12 50 18 --- 20 28 55 44.4 213.4 1.5 24.2 170 R 2 16332 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 12 50 18 J1838+0404 20 28 55 45.0 220.6 1.8 29.1 -11 1 2 16332 12 50 18 12 52 18 =J1838+04 20 30 56 44.8 221.3 1.9 29.5 109 R 2 15932 12 52 18 W44DF 20 30 56 44.4 214.0 1.6 24.7 -11 1 2 15932 12 52 18 12 55 19 --- 20 33 57 44.1 215.0 1.6 25.3 170 R 2 15328 12 55 19 J1838+0404 20 33 57 44.4 222.2 1.9 30.1 -11 1 2 15328 12 55 19 12 57 19 =J1838+04 20 35 58 44.1 222.8 1.9 30.5 109 R 2 14928 12 57 19 W44BC 20 35 58 43.6 215.6 1.7 25.7 -11 1 2 14928 12 57 19 13 00 20 --- 20 38 59 43.3 216.6 1.7 26.4 170 R 2 14325 13 00 20 J1838+0404 20 38 59 43.8 223.7 2.0 31.1 -11 1 2 14325 13 00 20 13 02 20 =J1838+04 20 40 59 43.5 224.3 2.0 31.5 109 R 2 13925 13 02 20 W44DF 20 40 59 43.3 217.2 1.7 26.8 -11 1 2 13925 13 02 20 13 05 21 --- 20 44 01 43.0 218.1 1.8 27.4 170 R 2 13322 13 05 21 J1838+0404 20 44 01 43.1 225.1 2.1 32.0 -11 1 2 13322 13 05 21 13 07 21 =J1838+04 20 46 01 42.8 225.7 2.1 32.4 109 R 2 12922 13 07 21 W44BC 20 46 01 42.5 218.7 1.8 27.8 -11 1 2 12922 13 07 21 13 10 22 --- 20 49 03 42.1 219.6 1.9 28.4 170 R 2 12318 13 10 22 J1838+0404 20 49 03 42.4 226.6 2.2 32.9 -11 1 2 12318 13 10 22 13 12 22 =J1838+04 20 51 03 42.2 227.2 2.2 33.2 109 R 2 11918 13 13 11 J1751+0939 20 51 52 39.1 244.1 3.0 42.9 32 1 2 11918 13 12 22 13 17 51 --- 20 56 33 38.3 245.2 3.1 43.4 280 R 2 10821 13 17 51 W44DF 20 56 33 41.5 221.8 2.0 29.8 -22 1 2 10821 13 17 51 13 20 51 --- 20 59 34 41.1 222.7 2.0 30.4 158 R 2 10221 13 20 51 J1838+0404 20 59 34 41.0 229.5 2.3 34.7 -11 1 2 10221 13 20 51 13 22 51 =J1838+04 21 01 34 40.7 230.0 2.4 35.0 109 R 2 9821 13 22 51 W44BC 21 01 34 40.6 223.2 2.1 30.7 -11 1 2 9821 13 22 51 13 25 51 --- 21 04 34 40.2 224.1 2.1 31.3 169 R 2 9221 13 25 51 J1838+0404 21 04 34 40.2 230.9 2.4 35.4 -11 1 2 9221 13 25 51 13 27 51 =J1838+04 21 06 35 40.0 231.4 2.5 35.7 109 R 2 8821 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 13 27 51 W44DF 21 06 35 40.2 224.6 2.2 31.6 -10 1 2 8821 13 27 51 13 30 51 --- 21 09 35 39.8 225.5 2.2 32.1 170 R 2 8221 13 30 51 J1838+0404 21 09 35 39.5 232.2 2.5 36.2 -10 1 2 8221 13 30 51 13 32 51 =J1838+04 21 11 35 39.2 232.7 2.5 36.5 110 R 2 7821 13 32 51 W44BC 21 11 35 39.3 226.0 2.3 32.5 -10 1 2 7821 13 32 51 13 35 51 --- 21 14 36 38.9 226.8 2.3 33.0 170 R 2 7221 13 35 51 J1838+0404 21 14 36 38.8 233.5 2.6 36.9 -10 1 2 7221 13 35 51 13 37 51 =J1838+04 21 16 36 38.5 234.0 2.6 37.2 110 R 2 6821 13 37 51 W44DF 21 16 36 38.9 227.4 2.3 33.3 -10 1 2 6821 13 37 51 13 40 51 --- 21 19 37 38.4 228.2 2.4 33.8 170 R 2 6221 13 40 51 J1838+0404 21 19 37 38.0 234.7 2.7 37.6 -10 1 2 6221 13 40 51 13 42 51 =J1838+04 21 21 37 37.7 235.2 2.7 37.9 110 R 2 5821 13 42 51 W44BC 21 21 37 37.9 228.7 2.4 34.1 -10 1 2 5821 13 42 51 13 45 51 --- 21 24 38 37.5 229.5 2.5 34.5 170 R 2 5221 13 45 51 J1838+0404 21 24 38 37.2 236.0 2.8 38.3 -10 1 2 5221 13 45 51 13 47 51 =J1838+04 21 26 38 36.9 236.5 2.8 38.6 110 R 2 4821 13 47 51 W44DF 21 26 38 37.5 230.0 2.5 34.9 -10 1 2 4821 13 47 51 13 50 51 --- 21 29 38 37.0 230.8 2.5 35.3 170 R 2 4221 13 50 51 J1838+0404 21 29 38 36.5 237.2 2.8 38.9 -10 1 2 4221 13 50 51 13 52 51 =J1838+04 21 31 39 36.1 237.7 2.9 39.2 110 R 2 3821 13 52 51 W44BC 21 31 39 36.5 231.3 2.6 35.6 -10 1 2 3821 13 52 51 13 55 51 --- 21 34 39 36.0 232.0 2.6 36.0 170 R 2 3221 13 55 51 J1838+0404 21 34 39 35.7 238.4 2.9 39.6 -10 1 2 3221 13 55 51 13 57 51 =J1838+04 21 36 40 35.4 238.9 3.0 39.8 110 R 2 2821 13 57 51 W44DF 21 36 40 36.0 232.6 2.7 36.3 -10 1 2 2821 13 57 51 14 00 51 --- 21 39 40 35.5 233.3 2.7 36.7 170 R 2 2221 14 00 51 J1838+0404 21 39 40 34.9 239.6 3.0 40.1 -10 1 2 2221 14 00 51 14 02 51 =J1838+04 21 41 40 34.5 240.0 3.0 40.4 110 R 2 1821 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 14 02 51 W44BC 21 41 40 35.0 233.8 2.8 37.0 -10 1 2 1821 14 02 51 14 05 51 --- 21 44 41 34.5 234.5 2.8 37.4 170 R 2 1221 14 05 51 J1838+0404 21 44 41 34.1 240.7 3.1 40.7 -10 1 2 1221 14 05 51 14 07 51 =J1838+04 21 46 41 33.7 241.2 3.1 40.9 110 R 2 821 14 07 51 W44DF 21 46 41 34.5 235.0 2.8 37.7 -10 1 2 821 14 07 51 14 10 51 --- 21 49 42 34.0 235.7 2.9 38.1 170 R 2 221 14 10 51 J1838+0404 21 49 42 33.2 241.9 3.2 41.3 -10 1 3 221 14 10 51 14 12 51 =J1838+04 21 51 42 32.9 242.3 3.2 41.5 110 F 1 621 14 12 51 W44BC 21 51 42 33.4 236.2 2.9 38.3 -10 1 3 621 14 12 51 14 15 51 --- 21 54 43 33.0 236.9 3.0 38.7 170 F 1 1221 14 15 51 J1838+0404 21 54 43 32.4 243.0 3.3 41.8 -10 1 3 1221 14 15 51 14 17 51 =J1838+04 21 56 43 32.1 243.4 3.3 42.0 110 F 1 1621 14 17 51 W44DF 21 56 43 32.9 237.4 3.0 38.9 -10 1 3 1621 14 17 51 14 20 51 --- 21 59 43 32.5 238.1 3.1 39.3 170 F 1 2221 14 20 51 J1838+0404 21 59 43 31.6 244.1 3.3 42.3 -10 1 3 2221 14 20 51 14 22 51 =J1838+04 22 01 44 31.2 244.5 3.4 42.4 110 F 1 2621 14 22 51 W44BC 22 01 44 31.9 238.5 3.1 39.5 -10 1 3 2621 14 22 51 14 25 51 --- 22 04 44 31.4 239.2 3.1 39.8 170 F 1 3221 14 25 51 J1838+0404 22 04 44 30.7 245.2 3.4 42.7 -10 1 3 3221 14 25 51 14 27 51 =J1838+04 22 06 45 30.4 245.6 3.5 42.9 110 F 1 3621 14 28 31 J1751+0939 22 07 24 25.8 259.5 4.3 48.1 24 1 3 3621 14 27 51 14 33 11 --- 22 12 05 24.9 260.4 4.3 48.2 280 F 1 4686 14 33 11 W44DF 22 12 05 30.5 240.9 3.3 40.7 -19 1 3 4686 14 33 11 14 36 11 --- 22 15 05 30.0 241.5 3.3 41.0 161 F 1 5286 14 36 11 J1838+0404 22 15 05 29.0 247.3 3.6 43.6 -10 1 3 5286 14 36 11 14 38 11 =J1838+04 22 17 06 28.6 247.7 3.6 43.8 110 F 1 5686 14 38 11 W44BC 22 17 06 29.4 241.9 3.3 41.1 -10 1 3 5686 14 38 11 14 41 11 --- 22 20 06 28.9 242.5 3.4 41.4 170 F 1 6286 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) ---------------------------------------------------------------------------------------- --- Fri 18 Apr 2003 Day 108 --- 14 41 11 J1838+0404 22 20 06 28.1 248.3 3.7 44.0 -10 1 3 6286 14 41 11 14 43 11 =J1838+04 22 22 07 27.8 248.8 3.7 44.2 110 F 1 6686 14 43 11 W44DF 22 22 07 28.8 243.0 3.4 41.7 -10 1 3 6686 14 43 11 14 46 11 --- 22 25 07 28.3 243.7 3.5 42.0 170 F 1 7286 14 46 11 J1838+0404 22 25 07 27.2 249.4 3.8 44.4 -10 1 3 7286 14 46 11 14 48 11 =J1838+04 22 27 07 26.9 249.8 3.8 44.6 110 F 1 7686 14 48 11 W44BC 22 27 07 27.7 244.0 3.5 42.1 -10 1 3 7686 14 48 11 14 51 11 --- 22 30 08 27.2 244.6 3.6 42.4 170 F 1 8286 14 51 11 J1838+0404 22 30 08 26.3 250.4 3.9 44.8 -10 1 3 8286 14 51 11 14 53 11 =J1838+04 22 32 08 26.0 250.8 3.9 44.9 110 F 1 8686 14 53 11 W44DF 22 32 08 27.1 245.1 3.6 42.6 -10 1 3 8686 14 53 11 14 56 11 --- 22 35 09 26.6 245.7 3.6 42.9 170 F 1 9286 14 56 11 J1838+0404 22 35 09 25.5 251.3 3.9 45.1 -10 1 3 9286 14 56 11 14 58 11 =J1838+04 22 37 09 25.1 251.7 4.0 45.2 110 F 1 9686 14 58 11 W44BC 22 37 09 26.0 246.1 3.7 43.0 -10 1 3 9686 14 58 11 15 01 11 --- 22 40 10 25.5 246.7 3.7 43.2 170 F 1 10286 15 01 11 J1838+0404 22 40 10 24.6 252.3 4.0 45.4 -10 1 3 10286 15 01 11 15 03 11 =J1838+04 22 42 10 24.2 252.7 4.1 45.6 110 F 1 10686 15 03 11 W44DF 22 42 10 25.4 247.2 3.8 43.4 -10 1 3 10686 15 03 11 15 06 11 --- 22 45 10 24.9 247.8 3.8 43.7 170 F 1 11286 15 06 11 J1838+0404 22 45 10 23.7 253.3 4.1 45.7 -10 1 3 11286 15 06 11 15 08 11 =J1838+04 22 47 11 23.3 253.7 4.1 45.8 110 F 1 11686 15 08 11 W44BC 22 47 11 24.3 248.1 3.8 43.8 -10 1 3 11686 15 08 11 15 11 11 --- 22 50 11 23.8 248.7 3.9 44.0 170 F 1 12286 15 11 11 J1838+0404 22 50 11 22.8 254.2 4.2 46.0 -10 1 3 12286 15 11 11 15 13 11 =J1838+04 22 52 12 22.4 254.6 4.2 46.1 110 F 1 12686 15 13 51 J1751+0939 22 52 52 17.4 267.5 5.0 49.1 24 1 3 12686 15 13 11 15 18 31 --- 22 57 32 16.5 268.3 5.1 49.1 280 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 1720.42 1720.42 1719.42 1719.42 1718.42 1718.42 BBC fr= 679.51 679.51 679.58 679.58 680.58 680.58 681.58 681.58 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 41.591000 * 01 21 00.00000 01 24 59.36144 01 25 01.61391 From catalog imbedded in main SCHED input file. * W44BC * 18 53 29.000000 18 56 01.490177 18 56 10.878710 * 01 06 45.00000 01 10 42.17661 01 10 44.37348 From catalog imbedded in main SCHED input file. * 3C345 16 41 17.606214 * 16 42 58.809951 16 43 06.146990 J1642+3948 39 54 10.81489 * 39 48 36.99395 39 47 59.15230 From catalog imbedded in main SCHED input file. fringe finder J1838+04 18 36 19.708768 * 18 38 48.829033 18 38 58.108024 * J1838+0404 04 01 41.08993 * 04 04 24.66927 04 04 21.53011 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 18.162094 J1331+305 30 45 58.64021 * 30 30 32.95885 30 29 30.97861 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 41.952567 09 39 42.82596 * 09 39 00.72851 09 38 43.90635 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 101.4 W44BC 101.6 3C345 114.6 J1838+0404 105.2 3C286 138.6 J1751+0939 115.2 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