COVER INFORMATION Station: ONSALA85 (Code O8 ) 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 ONSALA85 (Code O8 ) 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: 824.72 824.72 877.22 877.22 929.72 929.72 961.72 961.72 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 01 30 00 3C345 12 54 08 49.6 90.4 -3.8 0.0 0 0 01 30 00 01 35 00 --- 12 59 09 50.3 91.4 -3.7 0.0 300 39 01 30 01 01 38 00 J1642-0621 13 02 09 12.2 123.3 -3.7 0.0 -18 39 01 38 00 01 40 00 --- 13 04 09 12.4 123.7 -3.7 0.0 102 54 01 38 01 01 40 00 IRAS16399 13 04 09 9.3 125.1 -3.7 0.0 -23 54 No stop 01 43 30 --- 13 07 40 9.7 125.9 -3.6 0.0 187 81 01 40 01 01 44 00 J1642-0621 13 08 10 12.8 124.7 -3.6 0.0 7 81 01 44 00 01 45 30 --- 13 09 40 13.0 125.0 -3.6 0.0 90 93 01 44 01 01 45 30 IRAS16399 13 09 40 9.9 126.4 -3.6 0.0 -23 93 No stop 01 49 00 --- 13 13 11 10.3 127.2 -3.5 0.0 187 120 01 45 31 01 49 30 J1642-0621 13 13 41 13.4 125.9 -3.5 0.0 7 120 01 49 30 01 53 30 --- 13 17 42 13.9 126.8 -3.4 0.0 240 151 01 49 31 01 53 30 IRAS16399 13 17 42 10.8 128.2 -3.4 0.0 -23 151 No stop 01 57 00 --- 13 21 12 11.1 129.0 -3.4 0.0 187 178 01 53 31 01 57 30 J1642-0621 13 21 42 14.3 127.8 -3.4 0.0 7 178 01 57 30 01 59 00 --- 13 23 12 14.5 128.1 -3.3 0.0 90 189 01 57 31 01 59 00 IRAS16399 13 23 12 11.4 129.4 -3.3 0.0 -23 189 No stop 02 02 30 --- 13 26 43 11.7 130.2 -3.3 0.0 187 216 01 59 01 02 03 00 J1642-0621 13 27 13 14.9 129.1 -3.3 0.0 7 216 02 03 00 02 07 00 --- 13 31 14 15.3 130.0 -3.2 0.0 240 247 02 03 01 02 10 00 3C345 13 34 14 55.0 99.4 -3.2 0.0 -18 247 02 10 00 02 14 00 --- 13 38 15 55.5 100.4 -3.1 0.0 222 278 02 10 01 02 17 00 3C286 13 41 15 62.9 184.2 0.1 0.0 5 278 02 17 00 02 22 00 --- 13 46 16 62.9 186.6 0.2 0.0 300 317 02 17 01 02 28 00 J1642-0621 13 52 17 17.4 135.0 -2.9 0.0 190 317 02 28 00 02 30 00 --- 13 54 18 17.6 135.5 -2.8 0.0 120 332 02 28 01 02 30 00 IRAS16399 13 54 18 14.4 136.6 -2.8 0.0 -23 332 No stop 02 33 30 --- 13 57 48 14.7 137.5 -2.8 0.0 187 359 02 30 01 Schedule for ONSALA85 (Code O8 ) 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 --- 02 34 00 J1642-0621 13 58 18 18.0 136.4 -2.8 0.0 7 359 02 34 00 02 35 30 --- 13 59 48 18.1 136.8 -2.7 0.0 90 371 02 34 01 02 35 30 IRAS16399 13 59 48 14.9 137.9 -2.7 0.0 -23 371 No stop 02 39 00 --- 14 03 19 15.2 138.8 -2.7 0.0 187 398 02 35 31 02 39 30 J1642-0621 14 03 49 18.5 137.8 -2.7 0.0 7 398 02 39 30 02 41 00 --- 14 05 19 18.6 138.1 -2.6 0.0 90 410 02 39 31 02 41 00 IRAS16399 14 05 19 15.4 139.3 -2.6 0.0 -23 410 No stop 02 44 30 --- 14 08 50 15.7 140.1 -2.6 0.0 187 437 02 41 01 02 45 00 J1642-0621 14 09 20 19.0 139.1 -2.6 0.0 7 437 02 45 00 02 46 30 --- 14 10 50 19.1 139.5 -2.5 0.0 90 448 02 45 01 02 46 30 IRAS16399 14 10 50 15.9 140.6 -2.6 0.0 -23 448 No stop 02 50 00 --- 14 14 21 16.2 141.4 -2.5 0.0 187 475 02 46 31 02 50 30 J1642-0621 14 14 51 19.4 140.5 -2.5 0.0 7 475 02 50 30 02 52 00 --- 14 16 21 19.6 140.9 -2.5 0.0 90 487 02 50 31 02 52 00 IRAS16399 14 16 21 16.4 141.9 -2.5 0.0 -23 487 No stop 02 55 30 --- 14 19 52 16.6 142.8 -2.4 0.0 187 514 02 52 01 02 56 00 J1642-0621 14 20 22 19.9 141.9 -2.4 0.0 7 514 02 56 00 02 57 30 --- 14 21 52 20.0 142.2 -2.4 0.0 90 526 02 56 01 02 57 30 IRAS16399 14 21 52 16.8 143.2 -2.4 0.0 -23 526 No stop 03 01 00 --- 14 25 23 17.1 144.1 -2.3 0.0 187 553 02 57 31 03 01 30 J1642-0621 14 25 53 20.4 143.2 -2.3 0.0 7 553 03 01 30 03 03 00 --- 14 27 23 20.5 143.6 -2.3 0.0 90 564 03 01 31 03 03 00 IRAS16399 14 27 23 17.2 144.6 -2.3 0.0 -23 564 No stop 03 06 30 --- 14 30 54 17.5 145.4 -2.2 0.0 187 591 03 03 01 03 07 00 J1642-0621 14 31 24 20.8 144.6 -2.2 0.0 7 591 03 07 00 03 08 30 --- 14 32 54 20.9 145.0 -2.2 0.0 90 603 03 07 01 03 08 30 IRAS16399 14 32 54 17.7 145.9 -2.2 0.0 -23 603 No stop 03 12 00 --- 14 36 24 17.9 146.8 -2.1 0.0 187 630 03 08 31 03 12 30 J1642-0621 14 36 55 21.2 146.0 -2.1 0.0 7 630 03 12 30 03 14 00 --- 14 38 25 21.3 146.4 -2.1 0.0 90 642 03 12 31 Schedule for ONSALA85 (Code O8 ) 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 --- 03 14 00 IRAS16399 14 38 25 18.1 147.3 -2.1 0.0 -23 642 No stop 03 17 30 --- 14 41 55 18.3 148.2 -2.0 0.0 187 669 03 14 01 03 18 00 J1642-0621 14 42 25 21.6 147.4 -2.0 0.0 7 669 03 18 00 03 19 30 --- 14 43 56 21.7 147.8 -2.0 0.0 90 680 03 18 01 03 19 30 IRAS16399 14 43 56 18.5 148.7 -2.0 0.0 -23 680 No stop 03 23 00 --- 14 47 26 18.7 149.5 -1.9 0.0 187 707 03 19 31 03 23 30 J1642-0621 14 47 56 22.0 148.8 -1.9 0.0 7 707 03 23 30 03 25 00 --- 14 49 27 22.1 149.2 -1.9 0.0 90 719 03 23 31 03 28 00 3C345 14 52 27 64.8 122.4 -1.9 0.0 -18 719 03 28 00 03 32 00 --- 14 56 28 65.3 123.9 -1.8 0.0 222 750 03 28 01 03 36 00 3C286 15 00 28 59.0 218.9 1.5 0.0 65 750 03 36 00 03 41 00 --- 15 05 29 58.5 220.8 1.6 0.0 300 788 03 36 01 03 46 00 J1642-0621 15 10 30 23.5 154.7 -1.5 0.0 130 788 03 46 00 03 48 00 --- 15 12 30 23.6 155.2 -1.5 0.0 120 804 03 46 01 03 48 00 IRAS16399 15 12 30 20.3 155.9 -1.5 0.0 -23 804 No stop 03 51 30 --- 15 16 01 20.5 156.8 -1.5 0.0 187 831 03 48 01 03 52 00 J1642-0621 15 16 31 23.8 156.3 -1.4 0.0 7 831 03 52 00 03 53 30 --- 15 18 01 23.9 156.7 -1.4 0.0 90 842 03 52 01 03 53 30 IRAS16399 15 18 01 20.6 157.3 -1.4 0.0 -23 842 No stop 03 57 00 --- 15 21 32 20.7 158.2 -1.4 0.0 187 870 03 53 31 03 57 30 J1642-0621 15 22 02 24.1 157.8 -1.4 0.0 7 870 03 57 30 03 59 00 --- 15 23 32 24.2 158.2 -1.3 0.0 90 881 03 57 31 03 59 00 IRAS16399 15 23 32 20.8 158.7 -1.3 0.0 -23 881 No stop 04 02 30 --- 15 27 03 21.0 159.6 -1.3 0.0 187 908 03 59 01 04 03 00 J1642-0621 15 27 33 24.4 159.2 -1.3 0.0 7 908 04 03 00 04 04 30 --- 15 29 03 24.4 159.6 -1.2 0.0 90 920 04 03 01 04 04 30 IRAS16399 15 29 03 21.1 160.2 -1.2 0.0 -23 920 No stop 04 08 00 --- 15 32 34 21.3 161.1 -1.2 0.0 187 947 04 04 31 04 08 30 J1642-0621 15 33 04 24.6 160.7 -1.2 0.0 7 947 04 08 30 04 10 00 --- 15 34 34 24.7 161.1 -1.1 0.0 90 958 04 08 31 Schedule for ONSALA85 (Code O8 ) 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 --- 04 10 00 IRAS16399 15 34 34 21.3 161.6 -1.2 0.0 -23 958 No stop 04 13 30 --- 15 38 05 21.5 162.5 -1.1 0.0 187 985 04 10 01 04 14 00 J1642-0621 15 38 35 24.8 162.2 -1.1 0.0 7 985 04 14 00 04 15 30 --- 15 40 05 24.9 162.6 -1.1 0.0 90 997 04 14 01 04 15 30 IRAS16399 15 40 05 21.6 163.0 -1.1 0.0 -23 997 No stop 04 19 00 --- 15 43 35 21.7 163.9 -1.0 0.0 187 1024 04 15 31 04 19 30 J1642-0621 15 44 06 25.1 163.7 -1.0 0.0 7 1024 04 19 30 04 21 00 --- 15 45 36 25.1 164.1 -1.0 0.0 90 1036 04 19 31 04 21 00 IRAS16399 15 45 36 21.8 164.5 -1.0 0.0 -23 1036 No stop 04 24 30 --- 15 49 06 21.9 165.4 -0.9 0.0 187 1063 04 21 01 04 25 00 J1642-0621 15 49 36 25.3 165.2 -0.9 0.0 7 1063 04 25 00 04 26 30 --- 15 51 07 25.3 165.6 -0.9 0.0 90 1074 04 25 01 04 26 30 IRAS16399 15 51 07 22.0 165.9 -0.9 0.0 -23 1074 No stop 04 30 00 --- 15 54 37 22.1 166.8 -0.8 0.0 187 1101 04 26 31 04 30 30 J1642-0621 15 55 07 25.4 166.7 -0.8 0.0 7 1101 04 30 30 04 32 00 --- 15 56 38 25.5 167.1 -0.8 0.0 90 1113 04 30 31 04 32 00 IRAS16399 15 56 38 22.1 167.4 -0.8 0.0 -23 1113 No stop 04 35 30 --- 16 00 08 22.2 168.3 -0.7 0.0 187 1140 04 32 01 04 36 00 J1642-0621 16 00 38 25.6 168.2 -0.7 0.0 7 1140 04 36 00 04 37 30 --- 16 02 09 25.6 168.6 -0.7 0.0 90 1152 04 36 01 04 37 30 IRAS16399 16 02 09 22.3 168.8 -0.7 0.0 -23 1152 No stop 04 41 00 --- 16 05 39 22.4 169.8 -0.6 0.0 187 1179 04 37 31 04 41 30 J1642-0621 16 06 09 25.8 169.7 -0.6 0.0 7 1179 04 41 30 04 43 00 --- 16 07 39 25.8 170.1 -0.6 0.0 90 1190 04 41 31 04 43 00 IRAS16399 16 07 39 22.4 170.3 -0.6 0.0 -23 1190 No stop 04 46 30 --- 16 11 10 22.5 171.2 -0.5 0.0 187 1217 04 43 01 04 47 00 J1642-0621 16 11 40 25.9 171.2 -0.5 0.0 7 1217 04 47 00 04 48 30 --- 16 13 10 25.9 171.7 -0.5 0.0 90 1229 04 47 01 04 48 30 IRAS16399 16 13 10 22.5 171.8 -0.5 0.0 -23 1229 No stop 04 52 00 --- 16 16 41 22.6 172.7 -0.5 0.0 187 1256 04 48 31 Schedule for ONSALA85 (Code O8 ) 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 --- 04 52 30 J1642-0621 16 17 11 26.0 172.8 -0.4 0.0 7 1256 04 52 30 04 54 00 --- 16 18 41 26.0 173.2 -0.4 0.0 90 1268 04 52 31 04 54 00 IRAS16399 16 18 41 22.6 173.2 -0.4 0.0 -23 1268 No stop 04 57 30 --- 16 22 12 22.7 174.2 -0.4 0.0 187 1295 04 54 01 04 58 00 J1642-0621 16 22 42 26.1 174.3 -0.3 0.0 7 1295 04 58 00 04 59 30 --- 16 24 12 26.1 174.7 -0.3 0.0 90 1306 04 58 01 04 59 30 IRAS16399 16 24 12 22.7 174.7 -0.3 0.0 -23 1306 No stop 05 03 00 --- 16 27 43 22.8 175.6 -0.3 0.0 187 1333 04 59 31 05 03 30 J1642-0621 16 28 13 26.1 175.8 -0.3 0.0 7 1333 05 03 30 05 05 00 --- 16 29 43 26.1 176.2 -0.2 0.0 90 1345 05 03 31 05 05 00 IRAS16399 16 29 43 22.8 176.2 -0.2 0.0 -23 1345 No stop 05 08 30 --- 16 33 14 22.8 177.1 -0.2 0.0 187 1372 05 05 01 05 09 00 J1642-0621 16 33 44 26.2 177.3 -0.2 0.0 7 1372 05 09 00 05 10 30 --- 16 35 14 26.2 177.7 -0.1 0.0 90 1384 05 09 01 05 10 30 IRAS16399 16 35 14 22.8 177.6 -0.1 0.0 -23 1384 No stop 05 14 00 --- 16 38 45 22.8 178.6 -0.1 0.0 187 1411 05 10 31 05 14 30 J1642-0621 16 39 15 26.2 178.9 -0.1 0.0 7 1411 05 14 30 05 16 00 --- 16 40 45 26.2 179.3 -0.0 0.0 90 1422 05 14 31 05 16 00 IRAS16399 16 40 45 22.8 179.1 -0.1 0.0 -23 1422 No stop 05 19 30 --- 16 44 15 22.8 180.1 0.0 0.0 187 1449 05 16 01 05 20 00 J1642-0621 16 44 45 26.2 180.4 0.0 0.0 7 1449 05 20 00 05 21 30 --- 16 46 16 26.2 180.8 0.0 0.0 90 1461 05 20 01 05 21 30 IRAS16399 16 46 16 22.8 180.6 0.0 0.0 -23 1461 No stop 05 25 00 --- 16 49 46 22.8 181.5 0.1 0.0 187 1488 05 21 31 05 25 30 J1642-0621 16 50 16 26.2 181.9 0.1 0.0 7 1488 05 25 30 05 27 00 --- 16 51 47 26.2 182.3 0.1 0.0 90 1499 05 25 31 05 27 00 IRAS16399 16 51 47 22.8 182.1 0.1 0.0 -23 1499 No stop 05 30 30 --- 16 55 17 22.8 183.0 0.2 0.0 187 1527 05 27 01 05 31 00 J1642-0621 16 55 47 26.1 183.4 0.2 0.0 7 1527 05 31 00 05 32 30 --- 16 57 18 26.1 183.8 0.2 0.0 90 1538 05 31 01 Schedule for ONSALA85 (Code O8 ) 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 --- 05 32 30 IRAS16399 16 57 18 22.8 183.5 0.2 0.0 -23 1538 No stop 05 36 00 --- 17 00 48 22.7 184.5 0.3 0.0 187 1565 05 32 31 05 36 30 J1642-0621 17 01 18 26.1 185.0 0.3 0.0 7 1565 05 36 30 05 38 00 --- 17 02 48 26.1 185.4 0.3 0.0 90 1577 05 36 31 05 38 00 IRAS16399 17 02 48 22.7 185.0 0.3 0.0 -23 1577 No stop 05 41 30 --- 17 06 19 22.7 185.9 0.4 0.0 187 1604 05 38 01 05 42 00 J1642-0621 17 06 49 26.0 186.5 0.4 0.0 7 1604 05 42 00 05 43 30 --- 17 08 19 26.0 186.9 0.4 0.0 90 1615 05 42 01 05 43 30 IRAS16399 17 08 19 22.7 186.5 0.4 0.0 -23 1615 No stop 05 47 00 --- 17 11 50 22.6 187.4 0.5 0.0 187 1642 05 43 31 05 47 30 J1642-0621 17 12 20 25.9 188.0 0.5 0.0 7 1642 05 47 30 05 49 00 --- 17 13 50 25.9 188.4 0.5 0.0 90 1654 05 47 31 05 49 00 IRAS16399 17 13 50 22.6 188.0 0.5 0.0 -23 1654 No stop 05 52 30 --- 17 17 21 22.5 188.9 0.6 0.0 187 1681 05 49 01 05 53 00 J1642-0621 17 17 51 25.8 189.5 0.6 0.0 7 1681 05 53 00 05 54 30 --- 17 19 21 25.8 189.9 0.6 0.0 90 1693 05 53 01 05 54 30 IRAS16399 17 19 21 22.4 189.4 0.6 0.0 -23 1693 No stop 05 58 00 --- 17 22 52 22.4 190.3 0.6 0.0 187 1720 05 54 31 05 58 30 J1642-0621 17 23 22 25.7 191.0 0.7 0.0 7 1720 05 58 30 06 00 00 --- 17 24 52 25.6 191.4 0.7 0.0 90 1731 05 58 31 06 00 00 IRAS16399 17 24 52 22.3 190.9 0.7 0.0 -23 1731 No stop 06 03 30 --- 17 28 23 22.2 191.8 0.7 0.0 187 1758 06 00 01 06 04 00 J1642-0621 17 28 53 25.5 192.5 0.8 0.0 7 1758 06 04 00 06 05 30 --- 17 30 23 25.5 193.0 0.8 0.0 90 1770 06 04 01 06 05 30 IRAS16399 17 30 23 22.2 192.3 0.8 0.0 -23 1770 No stop 06 09 00 --- 17 33 54 22.1 193.3 0.8 0.0 187 1797 06 05 31 06 09 30 J1642-0621 17 34 24 25.4 194.0 0.9 0.0 7 1797 06 09 30 06 11 00 --- 17 35 54 25.3 194.5 0.9 0.0 90 1809 06 09 31 06 11 00 IRAS16399 17 35 54 22.0 193.8 0.9 0.0 -23 1809 No stop 06 14 30 --- 17 39 24 21.9 194.7 0.9 0.0 187 1836 06 11 01 Schedule for ONSALA85 (Code O8 ) 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 --- 06 15 00 J1642-0621 17 39 55 25.2 195.5 0.9 0.0 7 1836 06 15 00 06 16 30 --- 17 41 25 25.1 196.0 1.0 0.0 90 1847 06 15 01 06 16 30 IRAS16399 17 41 25 21.8 195.2 1.0 0.0 -23 1847 No stop 06 20 00 --- 17 44 55 21.7 196.2 1.0 0.0 187 1874 06 16 31 06 20 30 J1642-0621 17 45 25 25.0 197.0 1.0 0.0 7 1874 06 20 30 06 22 00 --- 17 46 56 24.9 197.5 1.1 0.0 90 1886 06 20 31 06 22 00 IRAS16399 17 46 56 21.6 196.7 1.0 0.0 -23 1886 No stop 06 25 30 --- 17 50 26 21.5 197.6 1.1 0.0 187 1913 06 22 01 06 26 00 J1642-0621 17 50 56 24.7 198.5 1.1 0.0 7 1913 06 26 00 06 27 30 --- 17 52 27 24.7 198.9 1.2 0.0 90 1925 06 26 01 06 27 30 IRAS16399 17 52 27 21.4 198.1 1.1 0.0 -23 1925 No stop 06 31 00 --- 17 55 57 21.2 199.0 1.2 0.0 187 1952 06 27 31 06 31 30 J1642-0621 17 56 27 24.5 200.0 1.2 0.0 7 1952 06 31 30 06 33 00 --- 17 57 57 24.4 200.4 1.2 0.0 90 1963 06 31 31 06 33 00 IRAS16399 17 57 57 21.1 199.6 1.2 0.0 -23 1963 No stop 06 36 30 --- 18 01 28 21.0 200.5 1.3 0.0 187 1990 06 33 01 06 37 00 J1642-0621 18 01 58 24.2 201.5 1.3 0.0 7 1990 06 37 00 06 38 30 --- 18 03 28 24.2 201.9 1.3 0.0 90 2002 06 37 01 06 38 30 IRAS16399 18 03 28 20.9 201.0 1.3 0.0 -23 2002 No stop 06 42 00 --- 18 06 59 20.7 201.9 1.4 0.0 187 2029 06 38 31 06 42 30 J1642-0621 18 07 29 23.9 203.0 1.4 0.0 7 2029 06 42 30 06 44 00 --- 18 08 59 23.9 203.4 1.4 0.0 90 2040 06 42 31 06 44 00 IRAS16399 18 08 59 20.6 202.4 1.4 0.0 -23 2040 No stop 06 47 30 --- 18 12 30 20.4 203.3 1.5 0.0 187 2068 06 44 01 06 48 00 J1642-0621 18 13 00 23.6 204.4 1.5 0.0 7 2068 06 48 00 06 49 30 --- 18 14 30 23.6 204.8 1.5 0.0 90 2079 06 48 01 06 49 30 IRAS16399 18 14 30 20.3 203.8 1.5 0.0 -23 2079 No stop 06 53 00 --- 18 18 01 20.1 204.7 1.6 0.0 187 2106 06 49 31 06 53 30 J1642-0621 18 18 31 23.3 205.9 1.6 0.0 7 2106 06 53 30 06 55 00 --- 18 20 01 23.2 206.3 1.6 0.0 90 2118 06 53 31 Schedule for ONSALA85 (Code O8 ) 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 --- 06 55 00 IRAS16399 18 20 01 20.0 205.2 1.6 0.0 -23 2118 No stop 06 58 30 --- 18 23 32 19.8 206.1 1.7 0.0 187 2145 06 55 01 06 59 00 J1642-0621 18 24 02 23.0 207.3 1.7 0.0 7 2145 06 59 00 07 00 30 --- 18 25 32 22.9 207.7 1.7 0.0 90 2156 06 59 01 07 00 30 IRAS16399 18 25 32 19.7 206.6 1.7 0.0 -23 2156 No stop 07 04 00 --- 18 29 03 19.5 207.5 1.7 0.0 187 2183 07 00 31 07 04 30 J1642-0621 18 29 33 22.6 208.8 1.8 0.0 7 2183 07 04 30 07 06 00 --- 18 31 03 22.6 209.1 1.8 0.0 90 2195 07 04 31 07 06 00 IRAS16399 18 31 03 19.3 208.0 1.8 0.0 -23 2195 No stop 07 09 30 --- 18 34 33 19.1 208.9 1.8 0.0 187 2222 07 06 01 07 10 00 J1642-0621 18 35 04 22.3 210.2 1.9 0.0 7 2222 07 10 00 07 11 30 --- 18 36 34 22.2 210.6 1.9 0.0 90 2234 07 10 01 07 11 30 IRAS16399 18 36 34 19.0 209.4 1.9 0.0 -23 2234 No stop 07 15 00 --- 18 40 04 18.8 210.3 1.9 0.0 187 2261 07 11 31 07 15 30 J1642-0621 18 40 34 21.9 211.6 2.0 0.0 7 2261 07 15 30 07 17 00 --- 18 42 05 21.8 212.0 2.0 0.0 90 2272 07 15 31 07 17 00 IRAS16399 18 42 05 18.6 210.8 2.0 0.0 -23 2272 No stop 07 20 30 --- 18 45 35 18.4 211.7 2.0 0.0 187 2299 07 17 01 07 21 00 J1642-0621 18 46 05 21.5 213.0 2.0 0.0 7 2299 07 21 00 07 22 30 --- 18 47 36 21.4 213.4 2.1 0.0 90 2311 07 21 01 07 22 30 IRAS16399 18 47 36 18.2 212.2 2.1 0.0 -23 2311 No stop 07 26 00 --- 18 51 06 18.0 213.1 2.1 0.0 187 2338 07 22 31 07 26 30 J1642-0621 18 51 36 21.1 214.4 2.1 0.0 7 2338 07 26 30 07 28 00 --- 18 53 07 21.0 214.8 2.2 0.0 90 2350 07 26 31 07 28 00 IRAS16399 18 53 07 17.8 213.5 2.2 0.0 -23 2350 No stop 07 31 30 --- 18 56 37 17.6 214.4 2.2 0.0 187 2377 07 28 01 07 32 00 J1642-0621 18 57 07 20.7 215.8 2.2 0.0 7 2377 07 32 00 07 33 30 --- 18 58 37 20.5 216.2 2.3 0.0 90 2388 07 32 01 07 33 30 IRAS16399 18 58 37 17.4 214.9 2.2 0.0 -23 2388 No stop 07 37 00 --- 19 02 08 17.1 215.8 2.3 0.0 187 2415 07 33 31 Schedule for ONSALA85 (Code O8 ) 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 --- 07 37 30 J1642-0621 19 02 38 20.2 217.2 2.3 0.0 7 2415 07 37 30 07 39 00 --- 19 04 08 20.1 217.6 2.3 0.0 90 2427 07 37 31 07 39 00 IRAS16399 19 04 08 17.0 216.3 2.3 0.0 -23 2427 No stop 07 42 30 --- 19 07 39 16.7 217.1 2.4 0.0 187 2454 07 39 01 07 43 00 J1642-0621 19 08 09 19.8 218.6 2.4 0.0 7 2454 07 43 00 07 44 30 --- 19 09 39 19.6 218.9 2.4 0.0 90 2466 07 43 01 07 44 30 IRAS16399 19 09 39 16.5 217.6 2.4 0.0 -23 2466 No stop 07 48 00 --- 19 13 10 16.2 218.4 2.5 0.0 187 2493 07 44 31 07 48 30 J1642-0621 19 13 40 19.3 219.9 2.5 0.0 7 2493 07 48 30 07 50 00 --- 19 15 10 19.2 220.3 2.5 0.0 90 2504 07 48 31 07 50 00 IRAS16399 19 15 10 16.1 218.9 2.5 0.0 -23 2504 No stop 07 53 30 --- 19 18 41 15.8 219.8 2.6 0.0 187 2531 07 50 01 07 54 00 J1642-0621 19 19 11 18.8 221.3 2.6 0.0 7 2531 07 54 00 07 55 30 --- 19 20 41 18.7 221.7 2.6 0.0 90 2543 07 54 01 07 55 30 IRAS16399 19 20 41 15.6 220.2 2.6 0.0 -23 2543 No stop 07 59 00 --- 19 24 12 15.3 221.1 2.7 0.0 187 2570 07 55 31 07 59 30 J1642-0621 19 24 42 18.3 222.6 2.7 0.0 7 2570 07 59 30 08 01 00 --- 19 26 12 18.2 223.0 2.7 0.0 90 2582 07 59 31 08 01 00 IRAS16399 19 26 12 15.1 221.6 2.7 0.0 -23 2582 No stop 08 04 30 --- 19 29 43 14.8 222.4 2.8 0.0 187 2609 08 01 01 08 05 00 J1642-0621 19 30 13 17.8 224.0 2.8 0.0 7 2609 08 05 00 08 06 30 --- 19 31 43 17.7 224.3 2.8 0.0 90 2620 08 05 01 08 06 30 IRAS16399 19 31 43 14.6 222.9 2.8 0.0 -23 2620 No stop 08 10 00 --- 19 35 13 14.3 223.7 2.9 0.0 187 2647 08 06 31 08 10 30 J1642-0621 19 35 44 17.3 225.3 2.9 0.0 7 2647 08 10 30 08 12 00 --- 19 37 14 17.1 225.7 2.9 0.0 90 2659 08 10 31 08 12 00 IRAS16399 19 37 14 14.1 224.2 2.9 0.0 -23 2659 No stop 08 15 30 --- 19 40 44 13.8 225.0 2.9 0.0 187 2686 08 12 01 08 16 00 J1642-0621 19 41 14 16.7 226.6 3.0 0.0 7 2686 08 16 00 08 17 30 --- 19 42 45 16.6 227.0 3.0 0.0 90 2697 08 16 01 Schedule for ONSALA85 (Code O8 ) Page 11 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 17 30 IRAS16399 19 42 45 13.6 225.5 3.0 0.0 -23 2697 No stop 08 21 00 --- 19 46 15 13.2 226.3 3.0 0.0 187 2725 08 17 31 08 21 30 J1642-0621 19 46 45 16.2 227.9 3.1 0.0 7 2725 08 21 30 08 23 00 --- 19 48 16 16.1 228.3 3.1 0.0 90 2736 08 21 31 08 23 00 IRAS16399 19 48 16 13.0 226.7 3.1 0.0 -23 2736 No stop 08 26 30 --- 19 51 46 12.7 227.6 3.1 0.0 187 2763 08 23 01 08 27 00 J1642-0621 19 52 16 15.6 229.2 3.1 0.0 7 2763 08 27 00 08 28 30 --- 19 53 46 15.5 229.6 3.2 0.0 90 2775 08 27 01 08 28 30 IRAS16399 19 53 46 12.5 228.0 3.2 0.0 -23 2775 No stop 08 32 00 --- 19 57 17 12.1 228.8 3.2 0.0 187 2802 08 28 31 08 32 30 J1642-0621 19 57 47 15.1 230.5 3.2 0.0 7 2802 08 32 30 08 34 00 --- 19 59 17 14.9 230.9 3.3 0.0 90 2813 08 32 31 08 34 00 IRAS16399 19 59 17 11.9 229.3 3.3 0.0 -23 2813 No stop 08 37 30 --- 20 02 48 11.6 230.1 3.3 0.0 187 2840 08 34 01 08 38 00 J1642-0621 20 03 18 14.5 231.8 3.3 0.0 7 2840 08 38 00 08 39 30 --- 20 04 48 14.3 232.2 3.4 0.0 90 2852 08 38 01 08 39 30 IRAS16399 20 04 48 11.4 230.5 3.3 0.0 -23 2852 No stop 08 43 00 --- 20 08 19 11.0 231.3 3.4 0.0 187 2879 08 39 31 08 43 30 J1642-0621 20 08 49 13.9 233.1 3.4 0.0 7 2879 08 43 30 08 45 00 --- 20 10 19 13.7 233.4 3.4 0.0 90 2891 08 43 31 08 45 00 IRAS16399 20 10 19 10.8 231.8 3.4 0.0 -23 2891 No stop 08 48 30 --- 20 13 50 10.4 232.6 3.5 0.0 187 2918 08 45 01 08 49 00 J1642-0621 20 14 20 13.3 234.4 3.5 0.0 7 2918 08 49 00 08 50 30 --- 20 15 50 13.1 234.7 3.5 0.0 90 2929 08 49 01 08 50 30 IRAS16399 20 15 50 10.2 233.0 3.5 0.0 -23 2929 No stop 08 54 00 --- 20 19 21 9.8 233.8 3.6 0.0 187 2956 08 50 31 08 54 30 J1642-0621 20 19 51 12.7 235.6 3.6 0.0 7 2956 08 54 30 08 56 00 --- 20 21 21 12.5 236.0 3.6 0.0 90 2968 08 54 31 08 56 00 IRAS16399 20 21 21 9.6 234.3 3.6 0.0 -23 2968 No stop 08 59 30 --- 20 24 52 9.2 235.1 3.7 0.0 187 2995 08 56 01 Schedule for ONSALA85 (Code O8 ) Page 12 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 00 00 J1642-0621 20 25 22 12.1 236.9 3.7 0.0 7 2995 09 00 00 09 01 30 --- 20 26 52 11.9 237.2 3.7 0.0 90 3007 09 00 01 09 05 30 J1642-0621 20 30 53 11.5 238.1 3.8 0.0 234 3007 09 05 30 09 07 00 --- 20 32 23 11.3 238.5 3.8 0.0 90 3018 09 05 31 10 16 00 3C286 21 41 34 10.2 312.2 8.2 0.0 3965 3018 10 16 00 10 21 00 --- 21 46 35 9.7 313.2 8.2 0.0 300 3057 10 16 01 10 24 00 3C345 21 49 35 39.5 284.5 5.1 0.0 10 3057 10 24 00 10 29 00 --- 21 54 36 38.8 285.4 5.2 0.0 300 3096 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: 4 Station: ONSALA85 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= 730.00 730.00 730.00 730.00 730.00 730.00 730.00 730.00 Net SB= U U U U U U U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 2 10 3 11 4 12 BBC SB= U U U U U U U U IF = A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 3 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= 824.72 824.72 877.22 877.22 929.72 929.72 961.72 961.72 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 3 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