COVER INFORMATION Station: JODRELL1 (Code Jb ) Experiment: OH gas in Megamaser Galaxies: imaging the diffuse and compact emission Exp. Code: EL074 Schedule Version: 1.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Dalei Li Address: Xinjiang Astronomical Observatory, Chinese Academy of Sciences 150, Science 1-Street Urumqi, Xinjiang China PR Phone: +8615199077491 EMAIL: lidalei@xao.ac.cn Fax: Phone during observation: +8615199077491 Observing mode: vlbi Notes: # Please, make sure PHASE CAL is OFF # Wb: total span=169MHz, LO set to begin 160MHz IF at 1554 and drop upper 9.72MHz Ef/Hh will miss most/all (repsectively) of the lowest sub-band Schedule for JODRELL1 (Code Jb ) Page 2 OH gas in Megamaser Galaxies: imaging the diffuse and compact emission UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2025 Day 60 --- Next scan frequencies: 1554.72 1554.72 1607.22 1607.22 1659.72 1659.72 1691.72 1691.72 Next BBC frequencies: 717.28 717.28 664.78 664.78 612.28 612.28 580.28 580.28 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 02 10 00 3C345 12 37 20 47.0 82.4 -4.1 -50.5 0 0 02 10 00 02 14 00 --- 12 41 21 47.6 83.1 -4.0 -50.6 240 31 02 10 01 02 17 00 3C286 12 44 21 65.5 154.4 -0.8 -17.5 -124 31 02 17 00 02 22 00 --- 12 49 22 65.8 156.9 -0.7 -15.8 176 70 02 17 01 02 28 00 J1642-0621 12 55 23 13.6 121.0 -3.8 -31.1 -43 70 02 28 00 02 30 00 --- 12 57 23 13.8 121.4 -3.8 -30.9 77 85 02 28 01 02 30 00 IRAS16399 12 57 23 10.8 123.0 -3.8 -30.6 -34 85 No stop 02 33 30 --- 13 00 54 11.3 123.8 -3.7 -30.3 176 112 02 30 01 02 34 00 J1642-0621 13 01 24 14.3 122.3 -3.7 -30.6 -5 112 02 34 00 02 35 30 --- 13 02 54 14.5 122.6 -3.7 -30.5 85 124 02 34 01 02 35 30 IRAS16399 13 02 54 11.5 124.2 -3.7 -30.1 -34 124 No stop 02 39 00 --- 13 06 25 12.0 125.0 -3.6 -29.8 176 151 02 35 31 02 41 00 IRAS16399 13 08 25 12.2 125.4 -3.6 -29.7 112 151 02 41 00 02 44 30 --- 13 11 56 12.6 126.2 -3.5 -29.3 210 178 02 41 01 02 45 00 J1642-0621 13 12 26 15.7 124.8 -3.5 -29.7 -5 178 02 45 00 02 46 30 --- 13 13 56 15.9 125.1 -3.5 -29.5 85 189 02 45 01 02 46 30 IRAS16399 13 13 56 12.9 126.6 -3.5 -29.2 -34 189 No stop 02 50 00 --- 13 17 27 13.3 127.4 -3.4 -28.8 176 216 02 46 31 02 52 00 IRAS16399 13 19 27 13.5 127.9 -3.4 -28.6 112 216 02 52 00 02 55 30 --- 13 22 57 13.9 128.7 -3.4 -28.3 210 243 02 52 01 02 56 00 J1642-0621 13 23 28 17.0 127.2 -3.3 -28.6 -5 243 02 56 00 02 57 30 --- 13 24 58 17.2 127.6 -3.3 -28.5 85 255 02 56 01 02 57 30 IRAS16399 13 24 58 14.2 129.1 -3.3 -28.1 -34 255 No stop 03 01 00 --- 13 28 28 14.6 129.9 -3.3 -27.8 176 282 02 57 31 03 03 00 IRAS16399 13 30 29 14.8 130.3 -3.2 -27.6 112 282 03 03 00 03 06 30 --- 13 33 59 15.2 131.1 -3.2 -27.2 210 309 03 03 01 03 07 00 J1642-0621 13 34 29 18.3 129.8 -3.1 -27.6 -5 309 03 07 00 03 08 30 --- 13 36 00 18.5 130.1 -3.1 -27.4 85 321 03 07 01 Schedule for JODRELL1 (Code Jb ) Page 3 OH gas in Megamaser Galaxies: imaging the diffuse and compact emission UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2025 Day 60 --- 03 08 30 IRAS16399 13 36 00 15.4 131.6 -3.1 -27.0 -34 321 No stop 03 12 00 --- 13 39 30 15.8 132.4 -3.1 -26.6 176 348 03 08 31 03 14 00 IRAS16399 13 41 30 16.1 132.9 -3.0 -26.4 112 348 03 14 00 03 17 30 --- 13 45 01 16.4 133.7 -3.0 -26.1 210 375 03 14 01 03 18 00 J1642-0621 13 45 31 19.6 132.4 -3.0 -26.4 -5 375 03 18 00 03 19 30 --- 13 47 01 19.7 132.7 -2.9 -26.3 85 386 03 18 01 03 19 30 IRAS16399 13 47 01 16.6 134.1 -3.0 -25.8 -35 386 No stop 03 23 00 --- 13 50 32 17.0 134.9 -2.9 -25.5 175 414 03 19 31 03 28 00 3C345 13 55 33 58.6 98.2 -2.8 -50.4 -24 414 03 28 00 03 32 00 --- 13 59 33 59.2 99.2 -2.7 -50.2 216 444 03 28 01 03 36 00 3C286 14 03 34 66.4 197.1 0.5 11.7 -173 444 03 36 00 03 41 00 --- 14 08 35 66.2 199.7 0.6 13.5 127 483 03 36 01 03 46 00 J1642-0621 14 13 36 22.5 139.2 -2.5 -23.2 -39 483 03 46 00 03 48 00 --- 14 15 36 22.7 139.6 -2.5 -23.0 81 499 03 46 01 03 48 00 IRAS16399 14 15 36 19.5 140.9 -2.5 -22.5 -35 499 No stop 03 51 30 --- 14 19 07 19.9 141.7 -2.4 -22.1 175 526 03 48 01 03 52 00 J1642-0621 14 19 37 23.1 140.6 -2.4 -22.5 -6 526 03 52 00 03 53 30 --- 14 21 07 23.2 141.0 -2.4 -22.3 84 537 03 52 01 03 53 30 IRAS16399 14 21 07 20.1 142.2 -2.4 -21.8 -35 537 No stop 03 57 00 --- 14 24 38 20.4 143.1 -2.3 -21.4 175 564 03 53 31 03 59 00 IRAS16399 14 26 38 20.5 143.6 -2.3 -21.1 112 564 03 59 00 04 02 30 --- 14 30 08 20.9 144.4 -2.2 -20.7 210 591 03 59 01 04 03 00 J1642-0621 14 30 39 24.1 143.4 -2.2 -21.0 -6 591 04 03 00 04 04 30 --- 14 32 09 24.2 143.8 -2.2 -20.8 84 603 04 03 01 04 04 30 IRAS16399 14 32 09 21.0 144.9 -2.2 -20.4 -36 603 No stop 04 08 00 --- 14 35 39 21.3 145.8 -2.1 -20.0 174 630 04 04 31 04 10 00 IRAS16399 14 37 40 21.5 146.3 -2.1 -19.7 112 630 04 10 00 04 13 30 --- 14 41 10 21.8 147.2 -2.0 -19.2 210 657 04 10 01 04 14 00 J1642-0621 14 41 40 25.1 146.3 -2.0 -19.5 -6 657 04 14 00 04 15 30 --- 14 43 11 25.2 146.6 -2.0 -19.3 84 669 04 14 01 Schedule for JODRELL1 (Code Jb ) Page 4 OH gas in Megamaser Galaxies: imaging the diffuse and compact emission UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2025 Day 60 --- 04 15 30 IRAS16399 14 43 11 21.9 147.7 -2.0 -19.0 -36 669 No stop 04 19 00 --- 14 46 41 22.2 148.6 -2.0 -18.5 174 696 04 15 31 04 21 00 IRAS16399 14 48 41 22.4 149.1 -1.9 -18.2 112 696 04 21 00 04 24 30 --- 14 52 12 22.6 150.0 -1.9 -17.7 210 723 04 21 01 04 25 00 J1642-0621 14 52 42 25.9 149.1 -1.8 -18.0 -6 723 04 25 00 04 26 30 --- 14 54 12 26.0 149.5 -1.8 -17.8 84 734 04 25 01 04 26 30 IRAS16399 14 54 12 22.8 150.5 -1.8 -17.4 -36 734 No stop 04 30 00 --- 14 57 43 23.0 151.4 -1.8 -16.9 174 761 04 26 31 04 32 00 IRAS16399 14 59 43 23.2 151.9 -1.7 -16.6 112 761 04 32 00 04 35 30 --- 15 03 14 23.4 152.8 -1.7 -16.1 210 788 04 32 01 04 36 00 J1642-0621 15 03 44 26.7 152.0 -1.7 -16.4 -7 788 04 36 00 04 37 30 --- 15 05 14 26.9 152.4 -1.6 -16.2 83 800 04 36 01 04 37 30 IRAS16399 15 05 14 23.6 153.3 -1.6 -15.8 -36 800 No stop 04 41 00 --- 15 08 45 23.8 154.2 -1.6 -15.3 174 827 04 37 31 04 43 00 IRAS16399 15 10 45 23.9 154.7 -1.6 -15.0 112 827 04 43 00 04 46 30 --- 15 14 16 24.2 155.6 -1.5 -14.5 210 854 04 43 01 04 47 00 J1642-0621 15 14 46 27.5 155.0 -1.5 -14.7 -7 854 04 47 00 04 48 30 --- 15 16 16 27.6 155.4 -1.5 -14.5 83 866 04 47 01 04 48 30 IRAS16399 15 16 16 24.3 156.2 -1.5 -14.2 -36 866 No stop 04 52 00 --- 15 19 47 24.5 157.1 -1.4 -13.7 174 893 04 48 31 04 54 00 IRAS16399 15 21 47 24.6 157.6 -1.4 -13.4 112 893 04 54 00 04 57 30 --- 15 25 17 24.8 158.5 -1.3 -12.8 210 920 04 54 01 04 58 00 J1642-0621 15 25 48 28.1 158.0 -1.3 -13.0 -7 920 04 58 00 04 59 30 --- 15 27 18 28.2 158.4 -1.3 -12.8 83 931 04 58 01 04 59 30 IRAS16399 15 27 18 24.9 159.1 -1.3 -12.5 -36 931 No stop 05 03 00 --- 15 30 48 25.1 160.0 -1.2 -12.0 174 958 04 59 31 05 05 00 IRAS16399 15 32 49 25.2 160.5 -1.2 -11.7 112 958 05 05 00 05 08 30 --- 15 36 19 25.4 161.5 -1.1 -11.1 210 985 05 05 01 05 09 00 J1642-0621 15 36 49 28.7 161.1 -1.1 -11.3 -7 985 05 09 00 05 10 30 --- 15 38 20 28.8 161.5 -1.1 -11.0 83 997 05 09 01 Schedule for JODRELL1 (Code Jb ) Page 5 OH gas in Megamaser Galaxies: imaging the diffuse and compact emission UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2025 Day 60 --- 05 10 30 IRAS16399 15 38 20 25.5 162.0 -1.1 -10.8 -37 997 No stop 05 14 00 --- 15 41 50 25.6 163.0 -1.0 -10.3 173 1024 05 10 31 05 16 00 IRAS16399 15 43 51 25.7 163.5 -1.0 -9.9 111 1024 05 16 00 05 19 30 --- 15 47 21 25.8 164.4 -0.9 -9.4 210 1051 05 16 01 05 20 00 J1642-0621 15 47 51 29.2 164.1 -0.9 -9.5 -7 1051 05 20 00 05 21 30 --- 15 49 21 29.3 164.6 -0.9 -9.2 83 1063 05 20 01 05 21 30 IRAS16399 15 49 21 25.9 165.0 -0.9 -9.1 -37 1063 No stop 05 25 00 --- 15 52 52 26.1 165.9 -0.9 -8.5 173 1090 05 21 31 05 27 00 IRAS16399 15 54 52 26.1 166.5 -0.8 -8.2 111 1090 05 27 00 05 30 30 --- 15 58 23 26.2 167.4 -0.8 -7.6 210 1117 05 27 01 05 31 00 J1642-0621 15 58 53 29.6 167.3 -0.7 -7.6 -7 1117 05 31 00 05 32 30 --- 16 00 23 29.7 167.7 -0.7 -7.4 83 1128 05 31 01 05 32 30 IRAS16399 16 00 23 26.3 168.0 -0.7 -7.3 -37 1128 No stop 05 36 00 --- 16 03 54 26.4 168.9 -0.7 -6.7 173 1156 05 32 31 05 38 00 IRAS16399 16 05 54 26.5 169.5 -0.6 -6.4 111 1156 05 38 00 05 41 30 --- 16 09 25 26.6 170.5 -0.6 -5.8 210 1183 05 38 01 05 42 00 J1642-0621 16 09 55 29.9 170.4 -0.6 -5.8 -7 1183 05 42 00 05 43 30 --- 16 11 25 30.0 170.8 -0.5 -5.5 83 1194 05 42 01 05 43 30 IRAS16399 16 11 25 26.6 171.0 -0.5 -5.5 -37 1194 No stop 05 47 00 --- 16 14 56 26.7 172.0 -0.5 -4.9 173 1221 05 43 31 05 49 00 IRAS16399 16 16 56 26.7 172.5 -0.5 -4.5 111 1221 05 49 00 05 52 30 --- 16 20 27 26.8 173.5 -0.4 -4.0 210 1248 05 49 01 05 53 00 J1642-0621 16 20 57 30.2 173.5 -0.4 -3.9 -7 1248 05 53 00 05 54 30 --- 16 22 27 30.2 174.0 -0.3 -3.6 83 1260 05 53 01 05 54 30 IRAS16399 16 22 27 26.8 174.0 -0.4 -3.6 -37 1260 No stop 05 58 00 --- 16 25 57 26.9 175.0 -0.3 -3.0 173 1287 05 54 31 06 00 00 IRAS16399 16 27 58 26.9 175.6 -0.3 -2.7 111 1287 06 00 00 06 03 30 --- 16 31 28 26.9 176.5 -0.2 -2.1 210 1314 06 00 01 06 04 00 J1642-0621 16 31 58 30.3 176.7 -0.2 -2.0 -7 1314 06 04 00 06 05 30 --- 16 33 29 30.3 177.1 -0.2 -1.7 83 1326 06 04 01 Schedule for JODRELL1 (Code Jb ) Page 6 OH gas in Megamaser Galaxies: imaging the diffuse and compact emission UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2025 Day 60 --- 06 05 30 IRAS16399 16 33 29 27.0 177.1 -0.2 -1.8 -37 1326 No stop 06 09 00 --- 16 36 59 27.0 178.0 -0.1 -1.2 173 1353 06 05 31 06 11 00 IRAS16399 16 39 00 27.0 178.6 -0.1 -0.8 111 1353 06 11 00 06 14 30 --- 16 42 30 27.0 179.6 -0.0 -0.3 210 1380 06 11 01 06 15 00 J1642-0621 16 43 00 30.4 179.9 -0.0 -0.1 -7 1380 06 15 00 06 16 30 --- 16 44 30 30.4 180.3 0.0 0.2 83 1391 06 15 01 06 16 30 IRAS16399 16 44 30 27.0 180.1 0.0 0.1 -37 1391 No stop 06 20 00 --- 16 48 01 27.0 181.1 0.1 0.7 173 1418 06 16 31 06 22 00 IRAS16399 16 50 01 27.0 181.7 0.1 1.0 111 1418 06 22 00 06 25 30 --- 16 53 32 27.0 182.6 0.2 1.6 210 1445 06 22 01 06 26 00 J1642-0621 16 54 02 30.3 183.1 0.2 1.8 -7 1445 06 26 00 06 27 30 --- 16 55 32 30.3 183.5 0.2 2.1 83 1457 06 26 01 06 27 30 IRAS16399 16 55 32 26.9 183.2 0.2 1.9 -37 1457 No stop 06 31 00 --- 16 59 03 26.9 184.1 0.2 2.5 173 1484 06 27 31 06 33 00 IRAS16399 17 01 03 26.9 184.7 0.3 2.9 111 1484 06 33 00 06 36 30 --- 17 04 34 26.8 185.7 0.3 3.4 210 1511 06 33 01 06 37 00 J1642-0621 17 05 04 30.2 186.2 0.4 3.7 -7 1511 06 37 00 06 38 30 --- 17 06 34 30.2 186.7 0.4 4.0 83 1523 06 37 01 06 38 30 IRAS16399 17 06 34 26.8 186.2 0.4 3.8 -37 1523 No stop 06 42 00 --- 17 10 05 26.7 187.2 0.4 4.4 173 1550 06 38 31 06 44 00 IRAS16399 17 12 05 26.7 187.7 0.5 4.7 111 1550 06 44 00 06 47 30 --- 17 15 36 26.6 188.7 0.5 5.3 210 1577 06 44 01 06 48 00 J1642-0621 17 16 06 30.0 189.4 0.5 5.6 -7 1577 06 48 00 06 49 30 --- 17 17 36 29.9 189.8 0.6 5.9 83 1588 06 48 01 06 49 30 IRAS16399 17 17 36 26.6 189.3 0.6 5.6 -37 1588 No stop 06 53 00 --- 17 21 06 26.5 190.2 0.6 6.2 173 1615 06 49 31 06 55 00 IRAS16399 17 23 07 26.4 190.8 0.7 6.5 111 1615 06 55 00 06 58 30 --- 17 26 37 26.3 191.7 0.7 7.1 210 1642 06 55 01 06 59 00 J1642-0621 17 27 07 29.6 192.5 0.7 7.5 -7 1642 06 59 00 07 00 30 --- 17 28 38 29.6 193.0 0.8 7.8 83 1654 06 59 01 Schedule for JODRELL1 (Code Jb ) Page 7 OH gas in Megamaser Galaxies: imaging the diffuse and compact emission UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2025 Day 60 --- 07 00 30 IRAS16399 17 28 38 26.3 192.3 0.7 7.4 -37 1654 No stop 07 04 00 --- 17 32 08 26.2 193.2 0.8 8.0 173 1681 07 00 31 07 06 00 IRAS16399 17 34 09 26.1 193.8 0.8 8.3 111 1681 07 06 00 07 09 30 --- 17 37 39 26.0 194.7 0.9 8.9 210 1708 07 06 01 07 10 00 J1642-0621 17 38 09 29.2 195.6 0.9 9.3 -6 1708 07 10 00 07 11 30 --- 17 39 39 29.2 196.1 0.9 9.6 84 1720 07 10 01 07 11 30 IRAS16399 17 39 39 25.9 195.3 0.9 9.2 -37 1720 No stop 07 15 00 --- 17 43 10 25.7 196.2 1.0 9.8 173 1747 07 11 31 07 17 00 IRAS16399 17 45 10 25.7 196.7 1.0 10.1 111 1747 07 17 00 07 20 30 --- 17 48 41 25.5 197.7 1.1 10.6 210 1774 07 17 01 07 21 00 J1642-0621 17 49 11 28.8 198.7 1.1 11.1 -6 1774 07 21 00 07 22 30 --- 17 50 41 28.7 199.1 1.1 11.4 84 1785 07 21 01 07 22 30 IRAS16399 17 50 41 25.4 198.2 1.1 11.0 -36 1785 No stop 07 26 00 --- 17 54 12 25.2 199.2 1.2 11.5 174 1812 07 22 31 07 28 00 IRAS16399 17 56 12 25.1 199.7 1.2 11.8 112 1812 07 28 00 07 31 30 --- 17 59 43 25.0 200.6 1.3 12.4 210 1840 07 28 01 07 32 00 J1642-0621 18 00 13 28.2 201.8 1.3 12.9 -6 1840 07 32 00 07 33 30 --- 18 01 43 28.1 202.2 1.3 13.1 84 1851 07 32 01 07 33 30 IRAS16399 18 01 43 24.9 201.2 1.3 12.7 -36 1851 No stop 07 37 00 --- 18 05 14 24.7 202.1 1.4 13.2 174 1878 07 33 31 07 39 00 IRAS16399 18 07 14 24.5 202.6 1.4 13.5 112 1878 07 39 00 07 42 30 --- 18 10 45 24.3 203.5 1.4 14.0 210 1905 07 39 01 07 43 00 J1642-0621 18 11 15 27.5 204.8 1.5 14.6 -6 1905 07 43 00 07 44 30 --- 18 12 45 27.4 205.2 1.5 14.9 84 1917 07 43 01 07 44 30 IRAS16399 18 12 45 24.2 204.1 1.5 14.3 -36 1917 No stop 07 48 00 --- 18 16 15 24.0 205.0 1.5 14.9 174 1944 07 44 31 07 50 00 IRAS16399 18 18 16 23.9 205.5 1.6 15.2 112 1944 07 50 00 07 53 30 --- 18 21 46 23.6 206.4 1.6 15.7 210 1971 07 50 01 07 54 00 J1642-0621 18 22 16 26.8 207.8 1.6 16.3 -5 1971 07 54 00 07 55 30 --- 18 23 47 26.7 208.2 1.7 16.5 85 1983 07 54 01 Schedule for JODRELL1 (Code Jb ) Page 8 OH gas in Megamaser Galaxies: imaging the diffuse and compact emission UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2025 Day 60 --- 07 55 30 IRAS16399 18 23 47 23.5 206.9 1.7 16.0 -36 1983 No stop 07 59 00 --- 18 27 17 23.3 207.8 1.7 16.5 174 2010 07 55 31 08 01 00 IRAS16399 18 29 18 23.1 208.4 1.8 16.8 112 2010 08 01 00 08 04 30 --- 18 32 48 22.9 209.3 1.8 17.3 210 2037 08 01 01 08 05 00 J1642-0621 18 33 18 26.0 210.7 1.8 17.9 -5 2037 08 05 00 08 06 30 --- 18 34 49 25.9 211.1 1.9 18.1 85 2048 08 05 01 08 06 30 IRAS16399 18 34 49 22.7 209.8 1.8 17.5 -36 2048 No stop 08 10 00 --- 18 38 19 22.5 210.7 1.9 18.0 174 2075 08 06 31 08 12 00 IRAS16399 18 40 19 22.3 211.2 1.9 18.3 112 2075 08 12 00 08 15 30 --- 18 43 50 22.0 212.1 2.0 18.8 210 2102 08 12 01 08 16 00 J1642-0621 18 44 20 25.1 213.6 2.0 19.4 -5 2102 08 16 00 08 17 30 --- 18 45 50 25.0 213.9 2.0 19.6 85 2114 08 16 01 08 17 30 IRAS16399 18 45 50 21.9 212.6 2.0 19.1 -35 2114 No stop 08 21 00 --- 18 49 21 21.6 213.4 2.1 19.6 175 2141 08 17 31 08 23 00 IRAS16399 18 51 21 21.4 213.9 2.1 19.8 112 2141 08 23 00 08 26 30 --- 18 54 52 21.1 214.8 2.2 20.3 210 2168 08 23 01 08 27 00 J1642-0621 18 55 22 24.2 216.4 2.2 20.9 -5 2168 08 27 00 08 28 30 --- 18 56 52 24.0 216.8 2.2 21.1 85 2180 08 27 01 08 28 30 IRAS16399 18 56 52 21.0 215.3 2.2 20.5 -35 2180 No stop 08 32 00 --- 19 00 23 20.6 216.2 2.3 21.0 175 2207 08 28 31 08 34 00 IRAS16399 19 02 23 20.5 216.7 2.3 21.3 112 2207 08 34 00 08 37 30 --- 19 05 54 20.1 217.5 2.4 21.7 210 2234 08 34 01 08 38 00 J1642-0621 19 06 24 23.2 219.2 2.4 22.4 -4 2234 08 38 00 08 39 30 --- 19 07 54 23.0 219.5 2.4 22.5 86 2245 08 38 01 08 39 30 IRAS16399 19 07 54 20.0 218.0 2.4 22.0 -35 2245 No stop 08 43 00 --- 19 11 25 19.6 218.9 2.5 22.4 175 2272 08 39 31 08 45 00 IRAS16399 19 13 25 19.5 219.3 2.5 22.6 112 2272 08 45 00 08 48 30 --- 19 16 55 19.1 220.2 2.5 23.1 210 2299 08 45 01 08 49 00 J1642-0621 19 17 26 22.1 221.9 2.6 23.7 -4 2299 08 49 00 08 50 30 --- 19 18 56 21.9 222.3 2.6 23.9 86 2311 08 49 01 Schedule for JODRELL1 (Code Jb ) Page 9 OH gas in Megamaser Galaxies: imaging the diffuse and compact emission UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2025 Day 60 --- 08 50 30 IRAS16399 19 18 56 18.9 220.7 2.6 23.3 -35 2311 No stop 08 54 00 --- 19 22 26 18.6 221.5 2.6 23.7 175 2338 08 50 31 08 56 00 IRAS16399 19 24 27 18.4 222.0 2.7 24.0 112 2338 08 56 00 08 59 30 --- 19 27 57 18.0 222.8 2.7 24.4 210 2365 08 56 01 09 00 00 J1642-0621 19 28 27 21.0 224.6 2.8 25.0 -4 2365 09 00 00 09 01 30 --- 19 29 58 20.8 224.9 2.8 25.2 86 2377 09 00 01 09 01 30 IRAS16399 19 29 58 17.8 223.3 2.8 24.6 -35 2377 No stop 09 05 00 --- 19 33 28 17.5 224.1 2.8 25.0 175 2404 09 01 31 09 07 00 IRAS16399 19 35 28 17.2 224.6 2.9 25.2 112 2404 09 07 00 09 10 30 --- 19 38 59 16.9 225.4 2.9 25.6 210 2431 09 07 01 09 11 00 J1642-0621 19 39 29 19.8 227.2 2.9 26.2 -4 2431 09 11 00 09 12 30 --- 19 40 59 19.6 227.6 3.0 26.4 86 2442 09 11 01 09 12 30 IRAS16399 19 40 59 16.7 225.9 2.9 25.8 -34 2442 No stop 09 16 00 --- 19 44 30 16.3 226.7 3.0 26.2 176 2469 09 12 31 09 18 00 IRAS16399 19 46 30 16.1 227.1 3.0 26.4 112 2469 09 18 00 09 21 30 --- 19 50 01 15.7 227.9 3.1 26.8 210 2497 09 18 01 09 22 00 J1642-0621 19 50 31 18.5 229.8 3.1 27.4 -3 2497 09 22 00 09 23 30 --- 19 52 01 18.4 230.2 3.1 27.5 87 2508 09 22 01 09 23 30 IRAS16399 19 52 01 15.4 228.4 3.1 27.0 -34 2508 No stop 09 27 00 --- 19 55 32 15.1 229.2 3.2 27.4 176 2535 09 23 31 09 29 00 IRAS16399 19 57 32 14.8 229.6 3.2 27.6 112 2535 09 29 00 09 32 30 --- 20 01 03 14.4 230.4 3.3 27.9 210 2562 09 29 01 09 33 00 J1642-0621 20 01 33 17.3 232.3 3.3 28.5 -3 2562 09 33 00 09 34 30 --- 20 03 03 17.1 232.7 3.3 28.6 87 2574 09 33 01 09 34 30 IRAS16399 20 03 03 14.2 230.9 3.3 28.1 -34 2574 No stop 09 38 00 --- 20 06 34 13.8 231.7 3.4 28.4 176 2601 09 34 31 09 40 00 IRAS16399 20 08 34 13.5 232.1 3.4 28.6 112 2601 09 40 00 09 43 30 --- 20 12 04 13.1 232.9 3.5 29.0 210 2628 09 40 01 09 44 00 J1642-0621 20 12 35 15.9 234.8 3.5 29.5 -3 2628 09 44 00 09 45 30 --- 20 14 05 15.7 235.2 3.5 29.6 87 2640 09 44 01 Schedule for JODRELL1 (Code Jb ) Page 10 OH gas in Megamaser Galaxies: imaging the diffuse and compact emission UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2025 Day 60 --- 09 45 30 IRAS16399 20 14 05 12.9 233.3 3.5 29.2 -34 2640 No stop 09 49 00 --- 20 17 35 12.5 234.1 3.6 29.5 176 2667 09 45 31 09 51 00 IRAS16399 20 19 36 12.2 234.5 3.6 29.7 112 2667 09 51 00 09 54 30 --- 20 23 06 11.8 235.3 3.7 30.0 210 2694 09 51 01 09 55 00 J1642-0621 20 23 36 14.6 237.3 3.7 30.5 -3 2694 09 55 00 09 56 30 --- 20 25 07 14.4 237.6 3.7 30.6 87 2705 09 55 01 09 56 30 IRAS16399 20 25 07 11.5 235.8 3.7 30.1 -33 2705 No stop 10 00 00 --- 20 28 37 11.1 236.5 3.7 30.4 177 2732 09 56 31 10 02 00 IRAS16399 20 30 37 10.9 236.9 3.8 30.6 112 2732 10 02 00 10 05 30 --- 20 34 08 10.4 237.7 3.8 30.9 210 2759 10 02 01 10 06 00 J1642-0621 20 34 38 13.1 239.7 3.9 31.3 -2 2759 10 06 00 10 07 30 --- 20 36 08 13.0 240.1 3.9 31.5 88 2771 10 06 01 10 07 30 IRAS16399 20 36 08 10.2 238.1 3.9 31.0 -33 2771 No stop 10 11 00 --- 20 39 39 9.7 238.9 3.9 31.3 177 2798 10 07 31 10 16 00 3C286 20 44 40 14.2 302.2 7.2 35.9 31 2798 10 16 00 10 21 00 --- 20 49 41 13.5 303.1 7.3 35.5 300 2837 10 16 01 10 24 00 3C345 20 52 41 46.6 278.0 4.1 50.4 -79 2837 10 24 00 10 29 00 --- 20 57 42 45.9 278.9 4.2 50.3 221 2875 10 24 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess125.L1024usb --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 3 Station: JODRELL1 Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 2272.00 Net SB= U U U U U U U U IF SB = L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 2 10 3 11 4 12 BBC SB= L L L L L L L L IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 13 Setup file default. Used with PCAL = off LO sum= 1554.72 1554.72 1607.22 1607.22 1659.72 1659.72 1691.72 1691.72 BBC fr= 717.28 717.28 664.78 664.78 612.28 612.28 580.28 580.28 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 13 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * IRAS16399 16 39 55.599269 * 16 42 40.107370 16 44 02.930024 0.00 -09 37 35.64506 *-09 43 13.05900 -09 46 12.26913 0.00 From catalog imbedded in main SCHED input file. * J1642-0621 16 39 21.443854 * 16 42 02.177700 16 43 23.109132 0.00 -06 15 43.81936 *-06 21 23.69500 -06 24 25.42123 0.00 From catalog imbedded in main SCHED input file. * 3C345 16 41 17.606234 * 16 42 58.809971 16 43 49.891629 0.00 39 54 10.81496 * 39 48 36.99402 39 45 24.04354 0.00 From catalog imbedded in main SCHED input file. * 3C286 13 28 49.657760 * 13 31 08.288052 13 32 19.443286 0.00 30 45 58.64032 * 30 30 32.95896 30 22 30.71274 0.00 From catalog imbedded in main SCHED input file. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline IRAS16399 sess125.L1024usb 1 2 3 4 5 6 7 8 13 14 4.900 305.712 J1642-0621 sess125.L1024usb 1 2 3 4 5 6 7 8 13 14 2.283 148.159 3C345 sess125.L1024usb 1 2 3 4 5 6 7 8 13 14 0.300 24.516 3C286 sess125.L1024usb 1 2 3 5 6 7 8 13 14 0.250 13.906 EFFECT OF SOLAR CORONA 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) IRAS16399 90.1 J1642-0621 90.7 3C345 95.9 3C286 135.6 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