COVER INFORMATION Station: IRBENE (Code Ir ) 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 IRBENE (Code Ir ) 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: 730.49 730.49 730.49 730.49 794.49 794.49 794.49 794.49 858.49 858.49 858.49 858.49 922.49 922.49 922.49 922.49 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 19 58 24 54.3 -98.4 3.2 43.7 0 0 07 30 00 07 38 00 --- 20 06 25 53.2 -96.5 3.4 43.9 480 124 07 30 01 07 44 00 J2232-1659 20 12 26 10.0-214.1 -2.4 -18.3 298 124 07 44 00 07 46 00 =2229-172 20 14 26 10.2-213.7 -2.3 -18.1 120 155 07 44 01 07 46 00 TXS 20 14 26 9.3-212.6 -2.3 -17.7 -4 155 No stop 07 49 00 --- 20 17 27 9.5-211.9 -2.2 -17.3 176 201 07 46 01 07 49 30 J2232-1659 20 17 57 10.4-212.9 -2.3 -17.7 26 201 07 49 30 07 51 30 =2229-172 20 19 57 10.6-212.4 -2.2 -17.5 120 232 07 49 31 07 51 30 TXS 20 19 57 9.7-211.3 -2.2 -17.0 -4 232 No stop 07 54 30 --- 20 22 58 9.9-210.6 -2.1 -16.7 176 278 07 51 31 07 54 30 J2232-1659 20 22 58 10.8-211.7 -2.2 -17.1 -4 278 No stop 07 56 30 =2229-172 20 24 58 10.9-211.2 -2.1 -16.9 116 309 07 54 31 07 56 30 TXS 20 24 58 10.0-210.1 -2.1 -16.5 -4 309 No stop 07 59 30 --- 20 27 59 10.2-209.4 -2.0 -16.1 176 356 07 56 31 08 00 00 J2232-1659 20 28 29 11.2-210.4 -2.1 -16.5 26 356 08 00 00 08 02 00 =2229-172 20 30 29 11.3-209.9 -2.0 -16.2 120 386 08 00 01 08 02 00 TXS 20 30 29 10.4-208.9 -2.0 -15.8 -4 386 No stop 08 05 00 --- 20 33 29 10.6-208.2 -1.9 -15.4 176 433 08 02 01 08 05 00 J2232-1659 20 33 29 11.5-209.2 -2.0 -15.9 -4 433 No stop 08 07 00 =2229-172 20 35 30 11.6-208.8 -2.0 -15.6 116 464 08 05 01 08 07 00 TXS 20 35 30 10.7-207.7 -1.9 -15.2 -4 464 No stop 08 10 00 --- 20 38 30 10.9-207.0 -1.9 -14.8 176 510 08 07 01 08 10 30 J2232-1659 20 39 00 11.9-207.9 -1.9 -15.2 26 510 08 10 30 08 12 30 =2229-172 20 41 01 12.0-207.5 -1.9 -15.0 120 541 08 10 31 08 12 30 TXS 20 41 01 11.0-206.4 -1.8 -14.5 -4 541 No stop 08 15 30 --- 20 44 01 11.2-205.7 -1.8 -14.2 176 587 08 12 31 Schedule for IRBENE (Code Ir ) 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 20 44 01 12.2-206.7 -1.8 -14.6 -4 587 No stop 08 17 30 =2229-172 20 46 01 12.3-206.3 -1.8 -14.4 116 618 08 15 31 08 17 30 TXS 20 46 01 11.3-205.2 -1.7 -13.9 -4 618 No stop 08 20 30 --- 20 49 02 11.5-204.5 -1.7 -13.5 176 665 08 17 31 08 21 00 J2232-1659 20 49 32 12.5-205.4 -1.7 -13.9 26 665 08 21 00 08 23 00 =2229-172 20 51 32 12.6-205.0 -1.7 -13.7 120 696 08 21 01 08 23 00 TXS 20 51 32 11.6-203.9 -1.6 -13.2 -4 696 No stop 08 26 00 --- 20 54 33 11.8-203.2 -1.6 -12.9 176 742 08 23 01 08 26 00 J2232-1659 20 54 33 12.8-204.2 -1.6 -13.3 -4 742 No stop 08 28 00 =2229-172 20 56 33 12.9-203.8 -1.6 -13.1 116 773 08 26 01 08 28 00 TXS 20 56 33 11.9-202.7 -1.6 -12.6 -4 773 No stop 08 31 00 --- 20 59 34 12.0-202.0 -1.5 -12.2 176 819 08 28 01 08 31 30 J2232-1659 21 00 04 13.1-202.9 -1.6 -12.6 26 819 08 31 30 08 33 30 =2229-172 21 02 04 13.2-202.4 -1.5 -12.4 120 850 08 31 31 08 33 30 TXS 21 02 04 12.2-201.4 -1.5 -11.9 -4 850 No stop 08 36 30 --- 21 05 05 12.3-200.7 -1.4 -11.5 176 897 08 33 31 08 36 30 J2232-1659 21 05 05 13.3-201.7 -1.5 -12.0 -4 897 No stop 08 38 30 =2229-172 21 07 05 13.4-201.2 -1.4 -11.7 116 927 08 36 31 08 38 30 TXS 21 07 05 12.4-200.2 -1.4 -11.3 -4 927 No stop 08 41 30 --- 21 10 05 12.5-199.5 -1.3 -10.9 176 974 08 38 31 08 42 00 J2232-1659 21 10 36 13.6-200.4 -1.4 -11.3 26 974 08 42 00 08 44 00 =2229-172 21 12 36 13.7-199.9 -1.3 -11.0 120 1005 08 42 01 08 44 00 TXS 21 12 36 12.7-198.9 -1.3 -10.5 -4 1005 No stop 08 47 00 --- 21 15 36 12.8-198.2 -1.2 -10.1 176 1051 08 44 01 08 47 00 J2232-1659 21 15 36 13.8-199.2 -1.3 -10.6 -4 1051 No stop 08 49 00 =2229-172 21 17 37 13.9-198.7 -1.3 -10.3 116 1082 08 47 01 08 49 00 TXS 21 17 37 12.9-197.7 -1.2 -9.9 -4 1082 No stop 08 52 00 --- 21 20 37 13.0-197.0 -1.2 -9.5 176 1128 08 49 01 08 52 30 J2232-1659 21 21 07 14.1-197.8 -1.2 -9.9 26 1128 08 52 30 08 54 30 =2229-172 21 23 08 14.1-197.3 -1.2 -9.6 120 1159 08 52 31 Schedule for IRBENE (Code Ir ) 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 21 23 08 13.1-196.4 -1.1 -9.2 -4 1159 No stop 08 57 30 --- 21 26 08 13.2-195.7 -1.1 -8.8 176 1206 08 54 31 08 57 30 J2232-1659 21 26 08 14.3-196.6 -1.1 -9.2 -4 1206 No stop 08 59 30 =2229-172 21 28 08 14.3-196.1 -1.1 -9.0 116 1237 08 57 31 08 59 30 TXS 21 28 08 13.3-195.2 -1.0 -8.5 -4 1237 No stop 09 02 30 --- 21 31 09 13.4-194.4 -1.0 -8.1 176 1283 08 59 31 09 03 00 J2232-1659 21 31 39 14.5-195.3 -1.0 -8.5 26 1283 09 03 00 09 05 00 =2229-172 21 33 39 14.5-194.8 -1.0 -8.2 120 1314 09 03 01 09 05 00 TXS 21 33 39 13.5-193.8 -0.9 -7.8 -4 1314 No stop 09 08 00 --- 21 36 40 13.6-193.1 -0.9 -7.4 176 1360 09 05 01 09 08 00 J2232-1659 21 36 40 14.6-194.0 -0.9 -7.8 -4 1360 No stop 09 10 00 =2229-172 21 38 40 14.7-193.6 -0.9 -7.5 116 1391 09 08 01 09 10 00 TXS 21 38 40 13.6-192.6 -0.9 -7.1 -4 1391 No stop 09 13 00 --- 21 41 41 13.7-191.9 -0.8 -6.7 176 1438 09 10 01 09 13 30 J2232-1659 21 42 11 14.8-192.7 -0.9 -7.1 26 1438 09 13 30 09 15 30 =2229-172 21 44 11 14.9-192.2 -0.8 -6.8 120 1469 09 13 31 09 15 30 TXS 21 44 11 13.8-191.3 -0.8 -6.3 -4 1469 No stop 09 18 30 --- 21 47 12 13.8-190.6 -0.7 -5.9 176 1515 09 15 31 09 18 30 J2232-1659 21 47 12 14.9-191.5 -0.8 -6.4 -4 1515 No stop 09 20 30 =2229-172 21 49 12 15.0-191.0 -0.7 -6.1 116 1546 09 18 31 09 20 30 TXS 21 49 12 13.9-190.1 -0.7 -5.7 -4 1546 No stop 09 23 30 --- 21 52 12 14.0-189.3 -0.6 -5.3 176 1592 09 20 31 09 24 00 J2232-1659 21 52 42 15.1-190.1 -0.7 -5.6 26 1592 09 24 00 09 26 00 =2229-172 21 54 43 15.1-189.6 -0.6 -5.4 120 1623 09 24 01 09 26 00 TXS 21 54 43 14.0-188.7 -0.6 -4.9 -4 1623 No stop 09 29 00 --- 21 57 43 14.1-188.0 -0.5 -4.5 176 1669 09 26 01 09 29 00 J2232-1659 21 57 43 15.2-188.9 -0.6 -5.0 -4 1669 No stop 09 31 00 =2229-172 21 59 44 15.2-188.4 -0.6 -4.7 116 1700 09 29 01 09 31 00 TXS 21 59 44 14.1-187.5 -0.5 -4.2 -4 1700 No stop 09 34 00 --- 22 02 44 14.2-186.8 -0.5 -3.8 176 1747 09 31 01 Schedule for IRBENE (Code Ir ) 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 22 03 14 15.3-187.5 -0.5 -4.2 26 1747 09 34 30 09 36 30 =2229-172 22 05 14 15.3-187.0 -0.5 -3.9 120 1778 09 34 31 09 36 30 TXS 22 05 14 14.2-186.1 -0.4 -3.5 -4 1778 No stop 09 39 30 --- 22 08 15 14.2-185.4 -0.4 -3.1 176 1824 09 36 31 09 39 30 J2232-1659 22 08 15 15.4-186.3 -0.4 -3.5 -4 1824 No stop 09 41 30 =2229-172 22 10 15 15.4-185.8 -0.4 -3.2 116 1855 09 39 31 09 41 30 TXS 22 10 15 14.3-184.9 -0.3 -2.8 -4 1855 No stop 09 44 30 --- 22 13 16 14.3-184.2 -0.3 -2.4 176 1901 09 41 31 09 45 00 J2232-1659 22 13 46 15.5-184.9 -0.3 -2.7 26 1901 09 45 00 09 47 00 =2229-172 22 15 46 15.5-184.4 -0.3 -2.5 120 1932 09 45 01 09 47 00 TXS 22 15 46 14.3-183.6 -0.2 -2.0 -4 1932 No stop 09 50 00 --- 22 18 47 14.3-182.8 -0.2 -1.6 176 1979 09 47 01 09 50 00 J2232-1659 22 18 47 15.5-183.6 -0.2 -2.0 -4 1979 No stop 09 52 00 =2229-172 22 20 47 15.5-183.2 -0.2 -1.8 116 2010 09 50 01 09 52 00 TXS 22 20 47 14.3-182.3 -0.2 -1.3 -4 2010 No stop 09 55 00 --- 22 23 47 14.4-181.6 -0.1 -0.9 176 2056 09 52 01 09 55 30 J2232-1659 22 24 18 15.5-182.3 -0.2 -1.3 26 2056 09 55 30 09 57 30 =2229-172 22 26 18 15.6-181.8 -0.1 -1.0 120 2087 09 55 31 09 57 30 TXS 22 26 18 14.4-181.0 -0.1 -0.6 -4 2087 No stop 10 00 30 --- 22 29 18 14.4-180.2 -0.0 -0.1 176 2133 09 57 31 10 00 30 J2232-1659 22 29 18 15.6-181.0 -0.1 -0.6 -4 2133 No stop 10 02 30 =2229-172 22 31 19 15.6-180.5 -0.0 -0.3 116 2164 10 00 31 10 02 30 TXS 22 31 19 14.4-179.8 0.0 0.1 -4 2164 No stop 10 05 30 --- 22 34 19 14.4-179.0 0.1 0.6 176 2211 10 02 31 10 06 00 J2232-1659 22 34 49 15.6-179.7 0.0 0.2 26 2211 10 06 00 10 08 00 =2229-172 22 36 50 15.6-179.2 0.1 0.5 120 2241 10 06 01 10 08 00 TXS 22 36 50 14.4-178.4 0.1 0.9 -4 2241 No stop 10 11 00 --- 22 39 50 14.3-177.7 0.2 1.3 176 2288 10 08 01 10 11 00 J2232-1659 22 39 50 15.6-178.4 0.1 0.9 -4 2288 No stop 10 13 00 =2229-172 22 41 50 15.5-177.9 0.1 1.2 116 2319 10 11 01 Schedule for IRBENE (Code Ir ) 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 22 41 50 14.3-177.2 0.2 1.6 -4 2319 No stop 10 16 00 --- 22 44 51 14.3-176.4 0.2 2.0 176 2365 10 13 01 10 16 30 J2232-1659 22 45 21 15.5-177.1 0.2 1.7 26 2365 10 16 30 10 18 30 =2229-172 22 47 21 15.5-176.6 0.2 1.9 120 2396 10 16 31 10 18 30 TXS 22 47 21 14.3-175.8 0.3 2.4 -4 2396 No stop 10 21 30 --- 22 50 22 14.3-175.1 0.3 2.8 176 2442 10 18 31 10 21 30 J2232-1659 22 50 22 15.5-175.8 0.3 2.3 -4 2442 No stop 10 23 30 =2229-172 22 52 22 15.5-175.3 0.3 2.6 116 2473 10 21 31 10 23 30 TXS 22 52 22 14.2-174.6 0.4 3.0 -4 2473 No stop 10 26 30 --- 22 55 23 14.2-173.9 0.4 3.5 176 2520 10 23 31 10 27 00 J2232-1659 22 55 53 15.4-174.4 0.4 3.1 26 2520 10 27 00 10 29 00 =2229-172 22 57 53 15.4-173.9 0.4 3.4 120 2551 10 27 01 10 29 00 TXS 22 57 53 14.2-173.2 0.5 3.8 -4 2551 No stop 10 32 00 --- 23 00 54 14.1-172.5 0.5 4.2 176 2597 10 29 01 10 32 00 J2232-1659 23 00 54 15.4-173.2 0.5 3.8 -4 2597 No stop 10 34 00 =2229-172 23 02 54 15.3-172.7 0.5 4.1 116 2628 10 32 01 10 34 00 TXS 23 02 54 14.1-172.0 0.5 4.5 -4 2628 No stop 10 37 00 --- 23 05 54 14.0-171.3 0.6 4.9 176 2674 10 34 01 10 37 30 J2232-1659 23 06 24 15.3-171.8 0.5 4.6 26 2674 10 37 30 10 39 30 =2229-172 23 08 25 15.2-171.3 0.6 4.8 120 2705 10 37 31 10 39 30 TXS 23 08 25 14.0-170.7 0.6 5.2 -4 2705 No stop 10 42 30 --- 23 11 25 13.9-169.9 0.7 5.7 176 2752 10 39 31 10 42 30 J2232-1659 23 11 25 15.2-170.6 0.6 5.3 -4 2752 No stop 10 44 30 =2229-172 23 13 26 15.1-170.1 0.7 5.5 116 2782 10 42 31 10 44 30 TXS 23 13 26 13.8-169.4 0.7 5.9 -4 2782 No stop 10 47 30 --- 23 16 26 13.8-168.7 0.8 6.3 176 2829 10 44 31 10 48 00 J2232-1659 23 16 56 15.0-169.2 0.7 6.0 26 2829 10 48 00 10 50 00 =2229-172 23 18 57 15.0-168.7 0.8 6.3 120 2860 10 48 01 10 50 00 TXS 23 18 57 13.7-168.1 0.8 6.7 -4 2860 No stop 10 53 00 --- 23 21 57 13.6-167.4 0.9 7.1 176 2906 10 50 01 Schedule for IRBENE (Code Ir ) 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 23 21 57 14.9-168.0 0.8 6.7 -4 2906 No stop 10 55 00 =2229-172 23 23 57 14.8-167.5 0.8 7.0 116 2937 10 53 01 10 55 00 TXS 23 23 57 13.6-166.9 0.9 7.4 -4 2937 No stop 10 58 00 --- 23 26 58 13.5-166.2 0.9 7.8 176 2983 10 55 01 10 58 30 J2232-1659 23 27 28 14.7-166.6 0.9 7.4 26 2983 10 58 30 11 00 30 =2229-172 23 29 28 14.7-166.2 0.9 7.7 120 3014 10 58 31 11 00 30 TXS 23 29 28 13.4-165.6 1.0 8.1 -4 3014 No stop 11 03 30 --- 23 32 29 13.3-164.8 1.0 8.5 176 3061 11 00 31 11 03 30 J2232-1659 23 32 29 14.6-165.4 1.0 8.1 -4 3061 No stop 11 05 30 =2229-172 23 34 29 14.5-164.9 1.0 8.4 116 3092 11 03 31 11 05 30 TXS 23 34 29 13.2-164.3 1.1 8.8 -4 3092 No stop 11 08 30 --- 23 37 30 13.1-163.6 1.1 9.2 176 3138 11 05 31 11 09 00 J2232-1659 23 38 00 14.4-164.1 1.1 8.9 26 3138 11 09 00 11 11 00 =2229-172 23 40 00 14.3-163.6 1.1 9.1 120 3169 11 09 01 11 11 00 TXS 23 40 00 13.0-163.0 1.2 9.5 -4 3169 No stop 11 14 00 --- 23 43 00 12.9-162.3 1.2 9.9 176 3215 11 11 01 11 14 00 J2232-1659 23 43 00 14.2-162.9 1.2 9.5 -4 3215 No stop 11 16 00 =2229-172 23 45 01 14.1-162.4 1.2 9.8 116 3246 11 14 01 11 16 00 TXS 23 45 01 12.8-161.8 1.2 10.1 -4 3246 No stop 11 19 00 --- 23 48 01 12.7-161.1 1.3 10.5 176 3293 11 16 01 11 23 15 3C48 23 52 17 59.8-228.1 -1.8 -28.5 218 3293 11 23 15 11 30 15 --- 23 59 18 60.4-225.5 -1.7 -27.2 420 3401 11 23 16 11 34 15 J2232-1659 00 03 19 13.3-157.9 1.5 12.2 204 3401 11 34 15 11 36 15 =2229-172 00 05 19 13.2-157.5 1.5 12.4 120 3432 11 34 16 11 36 15 TXS 00 05 19 11.8-157.0 1.6 12.8 -4 3432 No stop 11 39 15 --- 00 08 20 11.7-156.3 1.6 13.1 176 3478 11 36 16 11 39 45 J2232-1659 00 08 50 13.0-156.6 1.6 12.9 26 3478 11 39 45 11 41 45 =2229-172 00 10 50 12.9-156.1 1.6 13.1 120 3509 11 39 46 11 41 45 TXS 00 10 50 11.5-155.7 1.7 13.4 -4 3509 No stop 11 44 45 --- 00 13 51 11.4-155.0 1.7 13.8 176 3555 11 41 46 Schedule for IRBENE (Code Ir ) 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 00 13 51 12.7-155.4 1.7 13.5 -4 3555 No stop 11 46 45 =2229-172 00 15 51 12.6-154.9 1.7 13.7 116 3586 11 44 46 11 46 45 TXS 00 15 51 11.2-154.5 1.8 14.1 -4 3586 No stop 11 49 45 --- 00 18 51 11.1-153.8 1.8 14.4 176 3633 11 46 46 11 50 15 J2232-1659 00 19 21 12.4-154.1 1.8 14.2 26 3633 11 50 15 11 52 15 =2229-172 00 21 22 12.3-153.6 1.8 14.4 120 3664 11 50 16 11 52 15 TXS 00 21 22 10.9-153.2 1.9 14.7 -4 3664 No stop 11 55 15 --- 00 24 22 10.7-152.5 1.9 15.1 176 3710 11 52 16 11 55 15 J2232-1659 00 24 22 12.1-152.9 1.8 14.8 -4 3710 No stop 11 57 15 =2229-172 00 26 23 12.0-152.4 1.9 15.0 116 3741 11 55 16 11 57 15 TXS 00 26 23 10.6-152.0 1.9 15.4 -4 3741 No stop 12 00 15 --- 00 29 23 10.4-151.3 2.0 15.7 176 3787 11 57 16 12 00 45 J2232-1659 00 29 53 11.7-151.6 1.9 15.5 26 3787 12 00 45 12 02 45 =2229-172 00 31 53 11.6-151.1 2.0 15.7 120 3818 12 00 46 12 02 45 TXS 00 31 53 10.3-150.7 2.0 16.0 -4 3818 No stop 12 05 45 --- 00 34 54 10.1-150.0 2.1 16.4 176 3865 12 02 46 12 05 45 J2232-1659 00 34 54 11.4-150.4 2.0 16.1 -4 3865 No stop 12 07 45 =2229-172 00 36 54 11.3-150.0 2.1 16.3 116 3895 12 05 46 12 07 45 TXS 00 36 54 9.9-149.6 2.1 16.6 -4 3895 No stop 12 10 45 --- 00 39 55 9.7-148.9 2.2 17.0 176 3942 12 07 46 12 11 15 J2232-1659 00 40 25 11.0-149.1 2.1 16.7 26 3942 12 11 15 12 13 15 =2229-172 00 42 25 10.9-148.7 2.1 16.9 120 3973 12 11 16 12 13 15 TXS 00 42 25 9.5-148.3 2.2 17.2 -4 3973 No stop 12 16 15 --- 00 45 26 9.3-147.6 2.3 17.6 176 4019 12 13 16 12 16 15 J2232-1659 00 45 26 10.7-148.0 2.2 17.3 -4 4019 No stop 12 18 15 =2229-172 00 47 26 10.6-147.5 2.2 17.5 116 4050 12 16 16 12 18 15 TXS 00 47 26 9.2-147.2 2.3 17.8 -4 4050 No stop 12 21 15 --- 00 50 27 9.0-146.5 2.3 18.2 176 4096 12 18 16 12 21 45 J2232-1659 00 50 57 10.3-146.7 2.3 17.9 26 4096 12 21 45 12 23 45 =2229-172 00 52 57 10.1-146.2 2.3 18.2 120 4127 12 21 46 Schedule for IRBENE (Code Ir ) 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 00 52 57 8.8-145.9 2.4 18.4 -4 4127 No stop 12 26 45 --- 00 55 57 8.5-145.2 2.4 18.8 176 4174 12 23 46 12 26 45 J2232-1659 00 55 57 9.9-145.5 2.4 18.5 -4 4174 No stop 12 28 45 =2229-172 00 57 58 9.8-145.1 2.4 18.7 116 4205 12 26 46 12 28 45 TXS 00 57 58 8.4-144.8 2.5 19.0 -4 4205 No stop 12 31 45 --- 01 00 58 8.2-144.1 2.5 19.3 176 4251 12 28 46 12 34 35 3C454.3 01 03 49 42.2-136.3 2.1 22.7 150 4251 12 34 35 12 39 35 --- 01 08 50 41.8-134.8 2.2 23.4 300 4328 12 34 36 12 42 20 J2232-1659 01 11 35 8.7-142.0 2.6 20.2 146 4328 12 42 20 12 44 20 =2229-172 01 13 35 8.5-141.5 2.7 20.4 120 4359 12 42 21 12 44 20 TXS 01 13 35 7.1-141.2 2.7 20.7 -4 4359 No stop 12 47 20 --- 01 16 36 6.9-140.6 2.8 21.0 176 4406 12 44 21 12 47 50 J2232-1659 01 17 06 8.2-140.7 2.7 20.8 26 4406 12 47 50 12 49 50 =2229-172 01 19 06 8.1-140.3 2.8 21.0 120 4437 12 47 51 12 49 50 TXS 01 19 06 6.7-140.0 2.8 21.3 -4 4437 No stop 12 52 50 --- 01 22 07 6.4-139.3 2.9 21.6 176 4483 12 49 51 12 52 50 J2232-1659 01 22 07 7.8-139.6 2.8 21.3 -4 4483 No stop 12 54 50 =2229-172 01 24 07 7.6-139.1 2.8 21.5 116 4514 12 52 51 12 54 50 TXS 01 24 07 6.2-138.9 2.9 21.8 -4 4514 No stop 12 57 50 --- 01 27 08 6.0-138.2 2.9 22.1 176 4560 12 54 51 12 58 20 J2232-1659 01 27 38 7.3-138.4 2.9 21.9 26 4560 12 58 20 13 00 20 =2229-172 01 29 38 7.1-137.9 2.9 22.1 120 4591 12 58 21 13 00 20 TXS 01 29 38 5.7-137.7 3.0 22.3 -4 4591 No stop 13 03 20 --- 01 32 38 5.5-137.0 3.0 22.6 176 4637 13 00 21 13 03 20 J2232-1659 01 32 38 6.9-137.2 3.0 22.4 -4 4637 No stop 13 05 20 =2229-172 01 34 39 6.7-136.8 3.0 22.6 116 4668 13 03 21 13 05 20 TXS 01 34 39 5.3-136.6 3.1 22.8 -4 4668 No stop 13 08 20 --- 01 37 39 5.0-135.9 3.1 D 23.1 0 4715 13 05 21 13 08 50 J2232-1659 01 38 09 6.3-136.0 3.1 22.9 26 4715 13 08 50 13 10 50 =2229-172 01 40 10 6.2-135.6 3.1 23.1 120 4746 13 08 51 Schedule for IRBENE (Code Ir ) Page 10 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 --- 13 13 50 J2232-1659 01 43 10 5.9-134.9 3.2 23.4 177 4746 13 13 50 13 15 50 =2229-172 01 45 10 5.7-134.5 3.2 23.6 120 4777 13 13 51 13 19 20 J2232-1659 01 48 41 5.3-133.7 3.3 23.9 207 4777 13 19 20 13 21 20 =2229-172 01 50 41 5.1-133.2 3.3 24.1 120 4808 13 19 21 14 24 25 3C454.3 02 53 57 29.7-107.3 4.0 32.3 3766 4808 14 24 25 14 30 00 --- 02 59 33 29.0-106.0 4.1 32.5 335 4894 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 --- 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: 11 Station: IRBENE Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 5 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= 730.49 730.49 730.49 730.49 794.49 794.49 794.49 794.49 858.49 858.49 858.49 858.49 922.49 922.49 922.49 922.49 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: 5 12 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 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