COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: A definite answer to the nature of the water gigamaser in TXS2226-184 Exp. Code: ET045B Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: A. Tarchi Address: INAF - Osservatorio Astronomico di Cagliari Via della Scienza 5 I-09047 Selargius (Cagliari) Italy Phone: +39 07071180235 EMAIL: andrea.tarchi@inaf.it Fax: Phone during observation: +39 07071180235 Observing mode: Observations of TXS2226-184 at 5 GHz (2048 Mb/s) Notes: phase-cal OFF EVN+MERLIN Schedule for ZELENCHK (Code Zc ) Page 2 A definite answer to the nature of the water gigamaser in TXS2226-184 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 330.49 330.49 330.49 330.49 394.49 394.49 394.49 394.49 458.49 458.49 458.49 458.49 522.49 522.49 522.49 522.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 07 30 00 3C345 21 17 14 40.3 290.4 4.6 61.7 0 0 07 30 00 07 38 00 --- 21 25 15 39.0 291.4 4.7 61.0 480 123 07 30 01 07 44 00 J2232-1659 21 31 16 27.7 523.2 -1.0 -12.6 104 123 07 44 00 07 46 00 =2229-172 21 33 17 27.8 523.7 -1.0 -12.2 120 154 07 44 01 07 46 00 TXS 21 33 17 26.8 524.8 -1.0 -11.5 -15 154 No stop 07 49 00 --- 21 36 17 26.9 525.6 -0.9 -10.9 165 200 07 46 01 07 49 30 J2232-1659 21 36 47 28.0 524.6 -0.9 -11.5 16 200 07 49 30 07 51 30 =2229-172 21 38 48 28.1 525.2 -0.9 -11.1 120 231 07 49 31 07 51 30 TXS 21 38 48 27.0 526.2 -0.9 -10.4 -15 231 No stop 07 54 30 --- 21 41 48 27.1 527.0 -0.8 -9.8 165 277 07 51 31 07 54 30 J2232-1659 21 41 48 28.2 526.0 -0.9 -10.6 -14 277 No stop 07 56 30 =2229-172 21 43 49 28.3 526.5 -0.8 -10.2 106 308 07 54 31 07 56 30 TXS 21 43 49 27.2 527.6 -0.8 -9.4 -14 308 No stop 07 59 30 --- 21 46 49 27.3 528.4 -0.7 -8.8 166 354 07 56 31 08 00 00 J2232-1659 21 47 19 28.4 527.4 -0.8 -9.5 16 354 08 00 00 08 02 00 =2229-172 21 49 19 28.5 528.0 -0.7 -9.0 120 385 08 00 01 08 02 00 TXS 21 49 19 27.4 529.0 -0.7 -8.3 -14 385 No stop 08 05 00 --- 21 52 20 27.5 529.8 -0.6 -7.7 166 431 08 02 01 08 05 00 J2232-1659 21 52 20 28.6 528.8 -0.7 -8.4 -14 431 No stop 08 07 00 =2229-172 21 54 20 28.7 529.3 -0.7 -8.0 106 462 08 05 01 08 07 00 TXS 21 54 20 27.6 530.3 -0.6 -7.3 -14 462 No stop 08 10 00 --- 21 57 21 27.7 531.1 -0.5 -6.7 166 508 08 07 01 08 10 30 J2232-1659 21 57 51 28.8 530.3 -0.6 -7.3 16 508 08 10 30 08 12 30 =2229-172 21 59 51 28.8 530.8 -0.6 -6.9 120 538 08 10 31 08 12 30 TXS 21 59 51 27.7 531.8 -0.5 -6.2 -14 538 No stop 08 15 30 --- 22 02 52 27.8 532.6 -0.5 -5.6 166 585 08 12 31 Schedule for ZELENCHK (Code Zc ) Page 3 A definite answer to the nature of the water gigamaser in TXS2226-184 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 08 15 30 J2232-1659 22 02 52 28.9 531.6 -0.5 -6.3 -14 585 No stop 08 17 30 =2229-172 22 04 52 29.0 532.2 -0.5 -5.9 106 615 08 15 31 08 17 30 TXS 22 04 52 27.9 533.2 -0.4 -5.2 -14 615 No stop 08 20 30 --- 22 07 52 27.9 534.0 -0.4 -4.6 166 662 08 17 31 08 21 00 J2232-1659 22 08 23 29.1 533.1 -0.4 -5.2 15 662 08 21 00 08 23 00 =2229-172 22 10 23 29.1 533.7 -0.4 -4.8 120 692 08 21 01 08 23 00 TXS 22 10 23 28.0 534.6 -0.3 -4.1 -15 692 No stop 08 26 00 --- 22 13 23 28.0 535.4 -0.3 -3.5 165 738 08 23 01 08 26 00 J2232-1659 22 13 23 29.2 534.5 -0.3 -4.1 -15 738 No stop 08 28 00 =2229-172 22 15 24 29.2 535.0 -0.3 -3.7 105 769 08 26 01 08 28 00 TXS 22 15 24 28.0 536.0 -0.2 -3.1 -15 769 No stop 08 31 00 --- 22 18 24 28.1 536.8 -0.2 -2.4 165 815 08 28 01 08 31 30 J2232-1659 22 18 54 29.2 536.0 -0.2 -3.0 15 815 08 31 30 08 33 30 =2229-172 22 20 55 29.3 536.6 -0.2 -2.6 120 846 08 31 31 08 33 30 TXS 22 20 55 28.1 537.5 -0.2 -1.9 -15 846 No stop 08 36 30 --- 22 23 55 28.1 538.3 -0.1 -1.3 165 892 08 33 31 08 36 30 J2232-1659 22 23 55 29.3 537.4 -0.2 -2.0 -15 892 No stop 08 38 30 =2229-172 22 25 55 29.3 537.9 -0.1 -1.6 105 923 08 36 31 08 38 30 TXS 22 25 55 28.1 538.8 -0.1 -0.9 -15 923 No stop 08 41 30 --- 22 28 56 28.1 539.6 -0.0 -0.3 165 969 08 38 31 08 42 00 J2232-1659 22 29 26 29.3 538.9 -0.1 -0.8 15 969 08 42 00 08 44 00 =2229-172 22 31 26 29.3 539.4 -0.0 -0.4 120 1000 08 42 01 08 44 00 TXS 22 31 26 28.1 540.3 0.0 0.2 -15 1000 No stop 08 47 00 --- 22 34 27 28.1 541.1 0.1 0.8 165 1046 08 44 01 08 47 00 J2232-1659 22 34 27 29.3 540.3 0.0 0.2 -15 1046 No stop 08 49 00 =2229-172 22 36 27 29.3 540.8 0.0 0.6 105 1077 08 47 01 08 49 00 TXS 22 36 27 28.1 541.7 0.1 1.3 -15 1077 No stop 08 52 00 --- 22 39 28 28.1 542.5 0.2 1.9 165 1123 08 49 01 08 52 30 J2232-1659 22 39 58 29.3 541.8 0.1 1.3 15 1123 08 52 30 08 54 30 =2229-172 22 41 58 29.3 542.3 0.1 1.8 120 1154 08 52 31 Schedule for ZELENCHK (Code Zc ) Page 4 A definite answer to the nature of the water gigamaser in TXS2226-184 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 08 54 30 TXS 22 41 58 28.1 543.1 0.2 2.4 -15 1154 No stop 08 57 30 --- 22 44 59 28.0 543.9 0.2 3.0 165 1200 08 54 31 08 57 30 J2232-1659 22 44 59 29.3 543.2 0.2 2.4 -15 1200 No stop 08 59 30 =2229-172 22 46 59 29.3 543.7 0.2 2.8 105 1231 08 57 31 08 59 30 TXS 22 46 59 28.0 544.5 0.3 3.4 -15 1231 No stop 09 02 30 --- 22 49 59 28.0 545.3 0.3 4.0 165 1277 08 59 31 09 03 00 J2232-1659 22 50 29 29.2 544.7 0.3 3.5 15 1277 09 03 00 09 05 00 =2229-172 22 52 30 29.2 545.2 0.3 3.9 120 1308 09 03 01 09 05 00 TXS 22 52 30 27.9 546.0 0.4 4.5 -15 1308 No stop 09 08 00 --- 22 55 30 27.9 546.8 0.4 5.1 165 1354 09 05 01 09 08 00 J2232-1659 22 55 30 29.1 546.0 0.4 4.5 -15 1354 No stop 09 10 00 =2229-172 22 57 31 29.1 546.6 0.4 5.0 105 1385 09 08 01 09 10 00 TXS 22 57 31 27.8 547.3 0.5 5.5 -15 1385 No stop 09 13 00 --- 23 00 31 27.8 548.1 0.5 6.2 165 1431 09 10 01 09 13 30 J2232-1659 23 01 01 29.0 547.5 0.5 5.7 15 1431 09 13 30 09 15 30 =2229-172 23 03 01 29.0 548.1 0.5 6.1 120 1462 09 13 31 09 15 30 TXS 23 03 01 27.7 548.8 0.5 6.7 -15 1462 No stop 09 18 30 --- 23 06 02 27.6 549.6 0.6 7.3 165 1508 09 15 31 09 18 30 J2232-1659 23 06 02 28.9 548.9 0.5 6.7 -15 1508 No stop 09 20 30 =2229-172 23 08 02 28.8 549.4 0.6 7.1 105 1538 09 18 31 09 20 30 TXS 23 08 02 27.5 550.1 0.6 7.7 -15 1538 No stop 09 23 30 --- 23 11 03 27.4 550.9 0.7 8.3 165 1585 09 20 31 09 24 00 J2232-1659 23 11 33 28.7 550.4 0.6 7.8 15 1585 09 24 00 09 26 00 =2229-172 23 13 33 28.6 550.9 0.7 8.2 120 1615 09 24 01 09 26 00 TXS 23 13 33 27.3 551.6 0.7 8.8 -15 1615 No stop 09 29 00 --- 23 16 34 27.2 552.4 0.8 9.4 165 1662 09 26 01 09 29 00 J2232-1659 23 16 34 28.5 551.7 0.7 8.8 -15 1662 No stop 09 31 00 =2229-172 23 18 34 28.5 552.3 0.8 9.2 105 1692 09 29 01 09 31 00 TXS 23 18 34 27.2 552.9 0.8 9.8 -15 1692 No stop 09 34 00 --- 23 21 35 27.0 553.7 0.9 10.4 165 1738 09 31 01 Schedule for ZELENCHK (Code Zc ) Page 5 A definite answer to the nature of the water gigamaser in TXS2226-184 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 09 34 30 J2232-1659 23 22 05 28.3 553.2 0.8 9.9 15 1738 09 34 30 09 36 30 =2229-172 23 24 05 28.2 553.8 0.8 10.3 120 1769 09 34 31 09 36 30 TXS 23 24 05 26.9 554.4 0.9 10.8 -15 1769 No stop 09 39 30 --- 23 27 05 26.8 555.1 0.9 11.4 165 1815 09 36 31 09 39 30 J2232-1659 23 27 05 28.1 554.6 0.9 10.9 -15 1815 No stop 09 41 30 =2229-172 23 29 06 28.0 555.1 0.9 11.3 105 1846 09 39 31 09 41 30 TXS 23 29 06 26.7 555.7 1.0 11.8 -15 1846 No stop 09 44 30 --- 23 32 06 26.5 556.4 1.0 12.4 165 1892 09 41 31 09 45 00 J2232-1659 23 32 36 27.8 556.0 1.0 12.0 15 1892 09 45 00 09 47 00 =2229-172 23 34 37 27.7 556.6 1.0 12.4 120 1923 09 45 01 09 47 00 TXS 23 34 37 26.4 557.1 1.1 12.9 -15 1923 No stop 09 50 00 --- 23 37 37 26.2 557.9 1.1 13.5 165 1969 09 47 01 09 50 00 J2232-1659 23 37 37 27.6 557.4 1.1 13.0 -15 1969 No stop 09 52 00 =2229-172 23 39 37 27.5 557.9 1.1 13.4 105 2000 09 50 01 09 52 00 TXS 23 39 37 26.1 558.4 1.2 13.9 -15 2000 No stop 09 55 00 --- 23 42 38 26.0 559.2 1.2 14.4 165 2046 09 52 01 09 55 30 J2232-1659 23 43 08 27.3 558.8 1.2 14.1 15 2046 09 55 30 09 57 30 =2229-172 23 45 08 27.2 559.3 1.2 14.5 120 2077 09 55 31 09 57 30 TXS 23 45 08 25.8 559.8 1.2 14.9 -15 2077 No stop 10 00 30 --- 23 48 09 25.6 560.6 1.3 15.5 165 2123 09 57 31 10 00 30 J2232-1659 23 48 09 27.0 560.1 1.2 15.0 -15 2123 No stop 10 02 30 =2229-172 23 50 09 26.8 560.6 1.3 15.4 105 2154 10 00 31 10 02 30 TXS 23 50 09 25.5 561.1 1.3 15.8 -15 2154 No stop 10 05 30 --- 23 53 10 25.3 561.8 1.4 16.4 165 2200 10 02 31 10 06 00 J2232-1659 23 53 40 26.6 561.5 1.3 16.1 15 2200 10 06 00 10 08 00 =2229-172 23 55 40 26.5 562.0 1.4 16.4 120 2231 10 06 01 10 08 00 TXS 23 55 40 25.1 562.5 1.4 16.9 -15 2231 No stop 10 11 00 --- 23 58 41 24.9 563.2 1.5 17.4 165 2277 10 08 01 10 11 00 J2232-1659 23 58 41 26.3 562.8 1.4 17.0 -15 2277 No stop 10 13 00 =2229-172 00 00 41 26.1 563.3 1.5 17.4 105 2308 10 11 01 Schedule for ZELENCHK (Code Zc ) Page 6 A definite answer to the nature of the water gigamaser in TXS2226-184 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 10 13 00 TXS 00 00 41 24.8 563.7 1.5 17.8 -16 2308 No stop 10 16 00 --- 00 03 41 24.5 564.5 1.6 18.3 164 2354 10 13 01 10 16 30 J2232-1659 00 04 12 25.9 564.2 1.5 18.0 15 2354 10 16 30 10 18 30 =2229-172 00 06 12 25.7 564.7 1.5 18.4 120 2385 10 16 31 10 18 30 TXS 00 06 12 24.4 565.1 1.6 18.8 -16 2385 No stop 10 21 30 --- 00 09 12 24.1 565.8 1.6 19.3 164 2431 10 18 31 10 21 30 J2232-1659 00 09 12 25.5 565.5 1.6 18.9 -15 2431 No stop 10 23 30 =2229-172 00 11 13 25.3 566.0 1.6 19.3 105 2462 10 21 31 10 23 30 TXS 00 11 13 24.0 566.3 1.7 19.7 -16 2462 No stop 10 26 30 --- 00 14 13 23.7 567.1 1.7 20.2 164 2508 10 23 31 10 27 00 J2232-1659 00 14 43 25.1 566.8 1.7 19.9 15 2508 10 27 00 10 29 00 =2229-172 00 16 44 24.9 567.3 1.7 20.3 120 2538 10 27 01 10 29 00 TXS 00 16 44 23.5 567.7 1.8 20.6 -16 2538 No stop 10 32 00 --- 00 19 44 23.3 568.4 1.8 21.2 164 2585 10 29 01 10 32 00 J2232-1659 00 19 44 24.6 568.1 1.8 20.8 -15 2585 No stop 10 34 00 =2229-172 00 21 44 24.5 568.6 1.8 21.2 105 2615 10 32 01 10 34 00 TXS 00 21 44 23.1 568.9 1.9 21.5 -16 2615 No stop 10 37 00 --- 00 24 45 22.8 569.6 1.9 22.0 164 2662 10 34 01 10 37 30 J2232-1659 00 25 15 24.2 569.4 1.9 21.8 15 2662 10 37 30 10 39 30 =2229-172 00 27 15 24.0 569.9 1.9 22.1 120 2692 10 37 31 10 39 30 TXS 00 27 15 22.6 570.2 1.9 22.5 -16 2692 No stop 10 42 30 --- 00 30 16 22.3 570.9 2.0 23.0 164 2738 10 39 31 10 42 30 J2232-1659 00 30 16 23.7 570.7 1.9 22.6 -16 2738 No stop 10 44 30 =2229-172 00 32 16 23.5 571.1 2.0 23.0 104 2769 10 42 31 10 44 30 TXS 00 32 16 22.1 571.4 2.0 23.3 -16 2769 No stop 10 47 30 --- 00 35 17 21.8 572.1 2.1 23.8 164 2815 10 44 31 10 48 00 J2232-1659 00 35 47 23.2 572.0 2.0 23.5 14 2815 10 48 00 10 50 00 =2229-172 00 37 47 23.0 572.5 2.1 23.9 120 2846 10 48 01 10 50 00 TXS 00 37 47 21.6 572.7 2.1 24.2 -16 2846 No stop 10 53 00 --- 00 40 48 21.3 573.4 2.2 24.7 164 2892 10 50 01 Schedule for ZELENCHK (Code Zc ) Page 7 A definite answer to the nature of the water gigamaser in TXS2226-184 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 10 53 00 J2232-1659 00 40 48 22.7 573.2 2.1 24.4 -16 2892 No stop 10 55 00 =2229-172 00 42 48 22.5 573.6 2.2 24.7 104 2923 10 53 01 10 55 00 TXS 00 42 48 21.1 573.8 2.2 25.0 -16 2923 No stop 10 58 00 --- 00 45 48 20.8 574.5 2.3 25.5 164 2969 10 55 01 10 58 30 J2232-1659 00 46 18 22.2 574.5 2.2 25.3 14 2969 10 58 30 11 00 30 =2229-172 00 48 19 21.9 574.9 2.2 25.6 120 3000 10 58 31 11 00 30 TXS 00 48 19 20.5 575.1 2.3 25.9 -16 3000 No stop 11 03 30 --- 00 51 19 20.2 575.8 2.4 26.4 164 3046 11 00 31 11 03 30 J2232-1659 00 51 19 21.6 575.6 2.3 26.1 -16 3046 No stop 11 05 30 =2229-172 00 53 20 21.4 576.1 2.3 26.4 104 3077 11 03 31 11 05 30 TXS 00 53 20 20.0 576.2 2.4 26.7 -16 3077 No stop 11 08 30 --- 00 56 20 19.7 576.9 2.4 27.1 164 3123 11 05 31 11 09 00 J2232-1659 00 56 50 21.0 576.9 2.4 26.9 14 3123 11 09 00 11 11 00 =2229-172 00 58 50 20.8 577.4 2.4 27.2 120 3154 11 09 01 11 11 00 TXS 00 58 50 19.4 577.5 2.5 27.5 -16 3154 No stop 11 14 00 --- 01 01 51 19.1 578.1 2.5 28.0 164 3200 11 11 01 11 14 00 J2232-1659 01 01 51 20.5 578.0 2.5 27.7 -16 3200 No stop 11 16 00 =2229-172 01 03 51 20.3 578.5 2.5 28.0 104 3231 11 14 01 11 16 00 TXS 01 03 51 18.9 578.6 2.6 28.3 -16 3231 No stop 11 19 00 --- 01 06 52 18.5 579.3 2.6 28.7 164 3277 11 16 01 11 23 15 3C48 01 11 07 78.2 510.5 -0.5 -25.2 121 3277 11 23 15 11 30 15 --- 01 18 09 78.7 517.3 -0.3 -19.5 420 3385 11 23 16 11 34 15 J2232-1659 01 22 09 18.1 582.5 2.8 30.7 104 3385 11 34 15 11 36 15 =2229-172 01 24 10 17.9 583.0 2.8 30.9 120 3415 11 34 16 11 36 15 TXS 01 24 10 16.5 583.0 2.9 31.2 -16 3415 No stop 11 39 15 --- 01 27 10 16.1 583.6 2.9 31.6 164 3462 11 36 16 11 39 45 J2232-1659 01 27 40 17.4 583.7 2.9 31.4 14 3462 11 39 45 11 41 45 =2229-172 01 29 41 17.2 584.1 2.9 31.7 120 3492 11 39 46 11 41 45 TXS 01 29 41 15.8 584.2 3.0 31.9 -16 3492 No stop 11 44 45 --- 01 32 41 15.4 584.8 3.0 32.3 164 3538 11 41 46 Schedule for ZELENCHK (Code Zc ) Page 8 A definite answer to the nature of the water gigamaser in TXS2226-184 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 11 44 45 J2232-1659 01 32 41 16.8 584.8 3.0 32.1 -16 3538 No stop 11 46 45 =2229-172 01 34 41 16.6 585.2 3.0 32.4 104 3569 11 44 46 11 46 45 TXS 01 34 41 15.1 585.2 3.1 32.6 -16 3569 No stop 11 49 45 --- 01 37 42 14.8 585.8 3.1 33.0 164 3615 11 46 46 11 50 15 J2232-1659 01 38 12 16.1 585.9 3.1 32.8 14 3615 11 50 15 11 52 15 =2229-172 01 40 12 15.8 586.4 3.1 33.1 120 3646 11 50 16 11 52 15 TXS 01 40 12 14.4 586.3 3.2 33.3 -16 3646 No stop 11 55 15 --- 01 43 13 14.0 587.0 3.2 33.7 164 3692 11 52 16 11 55 15 J2232-1659 01 43 13 15.4 587.0 3.2 33.5 -16 3692 No stop 11 57 15 =2229-172 01 45 13 15.2 587.4 3.2 33.7 104 3723 11 55 16 11 57 15 TXS 01 45 13 13.8 587.4 3.2 34.0 -16 3723 No stop 12 00 15 --- 01 48 14 13.4 588.0 3.3 34.3 164 3769 11 57 16 12 00 45 J2232-1659 01 48 44 14.7 588.1 3.3 34.2 14 3769 12 00 45 12 02 45 =2229-172 01 50 44 14.4 588.5 3.3 34.4 120 3800 12 00 46 12 02 45 TXS 01 50 44 13.0 588.5 3.3 34.6 -16 3800 No stop 12 05 45 --- 01 53 44 12.6 589.1 3.4 35.0 164 3846 12 02 46 12 05 45 J2232-1659 01 53 44 14.0 589.1 3.3 34.8 -16 3846 No stop 12 07 45 =2229-172 01 55 45 13.8 589.5 3.4 35.0 104 3877 12 05 46 12 07 45 TXS 01 55 45 12.3 589.5 3.4 35.3 -16 3877 No stop 12 10 45 --- 01 58 45 11.9 590.1 3.5 35.6 164 3923 12 07 46 12 11 15 J2232-1659 01 59 15 13.3 590.3 3.4 35.5 14 3923 12 11 15 12 13 15 =2229-172 02 01 16 13.0 590.7 3.5 35.7 120 3954 12 11 16 12 13 15 TXS 02 01 16 11.6 590.6 3.5 35.9 -16 3954 No stop 12 16 15 --- 02 04 16 11.2 591.2 3.6 36.3 164 4000 12 13 16 12 16 15 J2232-1659 02 04 16 12.6 591.3 3.5 36.0 -16 4000 No stop 12 18 15 =2229-172 02 06 17 12.3 591.6 3.5 36.3 104 4031 12 16 16 12 18 15 TXS 02 06 17 10.9 591.5 3.6 36.5 -16 4031 No stop 12 21 15 --- 02 09 17 10.5 592.1 3.6 36.8 164 4077 12 18 16 12 21 45 J2232-1659 02 09 47 11.8 592.3 3.6 36.7 14 4077 12 21 45 12 23 45 =2229-172 02 11 47 11.5 592.7 3.6 36.9 120 4108 12 21 46 Schedule for ZELENCHK (Code Zc ) Page 9 A definite answer to the nature of the water gigamaser in TXS2226-184 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 12 23 45 TXS 02 11 47 10.1 592.6 3.7 37.1 -16 4108 No stop 12 26 45 --- 02 14 48 9.7 593.2 3.7 D 37.4 0 4154 12 23 46 12 26 45 J2232-1659 02 14 48 11.1 593.3 3.7 37.2 -14 4154 No stop 12 28 45 =2229-172 02 16 48 10.8 593.7 3.7 37.4 106 4185 12 26 46 12 34 35 3C454.3 02 22 39 38.4 614.6 3.5 46.5 278 4185 12 34 35 12 39 35 --- 02 27 40 37.5 615.7 3.5 46.8 300 4262 12 34 36 14 24 25 3C454.3 04 12 47 18.7 634.9 5.3 48.5 6281 4262 14 24 25 14 30 00 --- 04 18 23 17.7 635.8 5.4 48.4 335 4347 14 24 26 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess121.C2048 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: kvzr_c Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 9 Setup file default. Used with PCAL = off LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 330.49 330.49 330.49 330.49 394.49 394.49 394.49 394.49 458.49 458.49 458.49 458.49 522.49 522.49 522.49 522.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 9 10 11 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * TXS 22 26 30.065630 * 22 29 12.494600 22 30 18.881967 0.00 -18 26 09.57617 *-18 10 47.24200 -18 04 28.99753 0.00 From catalog imbedded in main SCHED input file. J0137+3309 01 34 49.826374 * 01 37 41.299440 01 38 51.768519 0.52 0134+329 32 54 20.25881 * 33 09 35.13299 33 15 56.63291 0.50 * 3C48 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.vlba.2012jul J0137+33 rfc_2012b Petrov, 2012, unpublished 140 observations J1642+3948 16 41 17.606228 * 16 42 58.809965 16 43 41.199694 0.77 * 3C345 39 54 10.81496 * 39 48 36.99402 39 45 58.75868 0.52 1641+399 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.vlba.2012jul J1642+39 GSFC 2011B astro solution 52621 Observations * J2232-1659 22 29 40.999940 * 22 32 22.564554 22 33 28.600541 0.26 2229-172 -17 14 29.56607 *-16 59 01.89249 -16 52 41.60980 0.43 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 86 observations J2253+1608 22 51 29.519738 * 22 53 57.747937 22 54 58.244678 0.68 * 3C454.3 15 52 54.34810 * 16 08 53.56093 16 15 26.22048 0.72 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.vlba.2012jul J2253+16 GSFC 2011B astro solution 39747 Observations 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 TXS sess121.C2048 1 2 3 4 5 6 7 8 9 13 18 19 + 3.500 337.788 3C48 sess121.C2048 1 2 3 4 5 6 7 8 9 13 18 19 + 0.117 22.154 3C345 sess121.C2048 1 2 3 4 5 6 7 8 9 13 0.133 18.133 J2232-1659 sess121.C2048 1 2 3 4 5 6 7 8 9 13 18 19 + 2.417 251.118 3C454.3 sess121.C2048 1 2 3 4 5 7 8 9 13 19 0.176 21.167 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) TXS 16.6 3C48 51.7 3C345 98.8 J2232-1659 15.2 3C454.3 21.8 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