COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: Resolving a gravitationally lensed dual back-hole system at z = 2.37 Exp. Code: em153a Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: John McKean Address: ASTRON Postbus 2 7990 AA, Dwingeloo the Netherlands Phone: +31 521 595 780 EMAIL: mckean@astron.nl Fax: +31 521 595 101 Phone during observation: +31 624 328 991 Observing mode: 18cm 1024-8-2 Notes: Schedule for WSTRBORK (Code Wb ) Page 2 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 379.49 379.49 379.49 379.49 443.49 443.49 443.49 443.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 19 30 00 J1639+8631 12 22 37 54.4 5.4 -4.2 0.0 0 0 19 30 00 19 31 30 =1654+866 12 24 07 54.4 5.4 -4.2 0.0 90 12 19 30 01 19 31 30 PSJ1721+8842 12 24 07 53.4 2.1 -4.7 0.0 -38 12 No stop 19 34 55 --- 12 27 33 53.4 2.1 -4.6 0.0 167 38 19 31 31 19 35 40 J1639+8631 12 28 18 54.5 5.3 -4.1 0.0 7 38 19 35 40 19 37 05 =1654+866 12 29 43 54.5 5.3 -4.1 0.0 85 49 19 35 41 19 37 05 PSJ1721+8842 12 29 43 53.4 2.1 -4.6 0.0 -38 49 No stop 19 40 30 --- 12 33 09 53.4 2.0 -4.5 0.0 167 75 19 37 06 19 40 30 J1639+8631 12 33 09 54.6 5.3 -4.0 0.0 -38 75 No stop 19 42 00 =1654+866 12 34 39 54.6 5.2 -4.0 0.0 52 87 19 40 31 19 42 00 PSJ1721+8842 12 34 39 53.4 2.0 -4.5 0.0 -38 87 No stop 19 45 25 --- 12 38 04 53.4 2.0 -4.4 0.0 167 113 19 42 01 19 46 10 J1639+8631 12 38 50 54.6 5.2 -3.9 0.0 7 113 19 46 10 19 47 35 =1654+866 12 40 15 54.6 5.2 -3.9 0.0 85 124 19 46 11 19 47 35 PSJ1721+8842 12 40 15 53.4 2.0 -4.4 0.0 -38 124 No stop 19 51 00 --- 12 43 40 53.5 2.0 -4.3 0.0 167 151 19 47 36 19 51 00 J1639+8631 12 43 40 54.7 5.1 -3.8 0.0 -38 151 No stop 19 52 30 =1654+866 12 45 11 54.7 5.1 -3.8 0.0 52 162 19 51 01 19 52 30 PSJ1721+8842 12 45 11 53.5 2.0 -4.3 0.0 -38 162 No stop 19 55 55 --- 12 48 36 53.5 2.0 -4.3 0.0 167 189 19 52 31 19 56 40 J1639+8631 12 49 21 54.8 5.1 -3.7 0.0 7 189 19 56 40 19 58 05 =1654+866 12 50 46 54.8 5.0 -3.7 0.0 85 200 19 56 41 19 58 05 PSJ1721+8842 12 50 46 53.5 2.0 -4.2 0.0 -38 200 No stop 20 01 30 --- 12 54 12 53.5 2.0 -4.2 0.0 167 226 19 58 06 20 01 30 J1639+8631 12 54 12 54.8 5.0 -3.7 0.0 -38 226 No stop 20 03 00 =1654+866 12 55 42 54.9 5.0 -3.6 0.0 52 238 20 01 31 20 03 00 PSJ1721+8842 12 55 42 53.5 2.0 -4.1 0.0 -38 238 No stop 20 06 25 --- 12 59 08 53.5 1.9 -4.1 0.0 167 264 20 03 01 Schedule for WSTRBORK (Code Wb ) Page 3 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 20 07 10 J1639+8631 12 59 53 54.9 4.9 -3.6 0.0 7 264 20 07 10 20 08 35 =1654+866 13 01 18 54.9 4.9 -3.5 0.0 85 275 20 07 11 20 08 35 PSJ1721+8842 13 01 18 53.5 1.9 -4.0 0.0 -38 275 No stop 20 12 00 --- 13 04 44 53.6 1.9 -4.0 0.0 167 301 20 08 36 20 12 00 J1639+8631 13 04 44 55.0 4.8 -3.5 0.0 -38 301 No stop 20 13 30 =1654+866 13 06 14 55.0 4.8 -3.5 0.0 52 313 20 12 01 20 13 30 PSJ1721+8842 13 06 14 53.6 1.9 -4.0 0.0 -38 313 No stop 20 16 55 --- 13 09 40 53.6 1.9 -3.9 0.0 167 339 20 13 31 20 17 40 J1639+8631 13 10 25 55.0 4.8 -3.4 0.0 7 339 20 17 40 20 19 05 =1654+866 13 11 50 55.1 4.7 -3.4 0.0 85 350 20 17 41 20 19 05 PSJ1721+8842 13 11 50 53.6 1.9 -3.9 0.0 -38 350 No stop 20 22 30 --- 13 15 16 53.6 1.9 -3.8 0.0 167 377 20 19 06 20 22 30 J1639+8631 13 15 16 55.1 4.7 -3.3 0.0 -38 377 No stop 20 24 00 =1654+866 13 16 46 55.1 4.7 -3.3 0.0 52 388 20 22 31 20 24 00 PSJ1721+8842 13 16 46 53.6 1.9 -3.8 0.0 -38 388 No stop 20 27 25 --- 13 20 11 53.6 1.8 -3.7 0.0 167 415 20 24 01 20 28 10 J1639+8631 13 20 56 55.2 4.6 -3.2 0.0 7 415 20 28 10 20 29 35 =1654+866 13 22 22 55.2 4.6 -3.2 0.0 85 426 20 28 11 20 29 35 PSJ1721+8842 13 22 22 53.7 1.8 -3.7 0.0 -38 426 No stop 20 33 00 --- 13 25 47 53.7 1.8 -3.6 0.0 167 452 20 29 36 20 33 00 J1639+8631 13 25 47 55.2 4.5 -3.1 0.0 -38 452 No stop 20 34 30 =1654+866 13 27 17 55.2 4.5 -3.1 0.0 52 464 20 33 01 20 34 30 PSJ1721+8842 13 27 17 53.7 1.8 -3.6 0.0 -38 464 No stop 20 37 55 --- 13 30 43 53.7 1.8 -3.5 0.0 167 490 20 34 31 20 38 40 J1639+8631 13 31 28 55.3 4.4 -3.0 0.0 7 490 20 38 40 20 40 05 =1654+866 13 32 53 55.3 4.4 -3.0 0.0 85 501 20 38 41 20 40 05 PSJ1721+8842 13 32 53 53.7 1.8 -3.5 0.0 -38 501 No stop 20 43 30 --- 13 36 19 53.7 1.8 -3.5 0.0 167 528 20 40 06 20 43 30 J1639+8631 13 36 19 55.4 4.3 -3.0 0.0 -38 528 No stop 20 45 00 =1654+866 13 37 49 55.4 4.3 -2.9 0.0 52 539 20 43 31 Schedule for WSTRBORK (Code Wb ) Page 4 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 20 45 00 PSJ1721+8842 13 37 49 53.7 1.7 -3.4 0.0 -38 539 No stop 20 48 25 --- 13 41 15 53.7 1.7 -3.4 0.0 167 566 20 45 01 20 49 10 J1639+8631 13 42 00 55.4 4.2 -2.9 0.0 7 566 20 49 10 20 50 35 =1654+866 13 43 25 55.4 4.2 -2.8 0.0 85 576 20 49 11 20 50 35 PSJ1721+8842 13 43 25 53.8 1.7 -3.3 0.0 -38 576 No stop 20 54 00 --- 13 46 51 53.8 1.7 -3.3 0.0 167 603 20 50 36 20 54 00 J1639+8631 13 46 51 55.5 4.1 -2.8 0.0 -38 603 No stop 20 55 30 =1654+866 13 48 21 55.5 4.1 -2.8 0.0 52 614 20 54 01 21 00 30 3C345 13 53 22 58.4 97.2 -2.8 0.0 131 614 21 00 30 21 05 30 --- 13 58 23 59.1 98.4 -2.8 0.0 300 653 21 00 31 21 10 30 J1639+8631 14 03 23 55.6 3.8 -2.5 0.0 131 653 21 10 30 21 15 30 =1654+866 14 08 24 55.7 3.7 -2.4 0.0 300 692 21 10 31 21 15 30 PSJ1721+8842 14 08 24 53.9 1.5 -2.9 0.0 -38 692 No stop 21 18 55 --- 14 11 50 53.9 1.5 -2.9 0.0 167 718 21 15 31 21 19 40 J1639+8631 14 12 35 55.7 3.6 -2.4 0.0 7 718 21 19 40 21 21 05 =1654+866 14 14 00 55.7 3.6 -2.3 0.0 85 729 21 19 41 21 21 05 PSJ1721+8842 14 14 00 53.9 1.5 -2.8 0.0 -38 729 No stop 21 24 30 --- 14 17 26 53.9 1.5 -2.8 0.0 167 756 21 21 06 21 24 30 J1639+8631 14 17 26 55.8 3.5 -2.3 0.0 -38 756 No stop 21 26 00 =1654+866 14 18 56 55.8 3.5 -2.2 0.0 52 767 21 24 31 21 26 00 PSJ1721+8842 14 18 56 53.9 1.5 -2.7 0.0 -38 767 No stop 21 29 25 --- 14 22 21 53.9 1.4 -2.7 0.0 167 794 21 26 01 21 30 10 J1639+8631 14 23 07 55.8 3.4 -2.2 0.0 7 794 21 30 10 21 31 35 =1654+866 14 24 32 55.8 3.3 -2.2 0.0 85 804 21 30 11 21 31 35 PSJ1721+8842 14 24 32 53.9 1.4 -2.7 0.0 -38 804 No stop 21 35 00 --- 14 27 57 53.9 1.4 -2.6 0.0 167 831 21 31 36 21 35 00 J1639+8631 14 27 57 55.9 3.3 -2.1 0.0 -38 831 No stop 21 36 30 =1654+866 14 29 28 55.9 3.2 -2.1 0.0 52 842 21 35 01 21 36 30 PSJ1721+8842 14 29 28 53.9 1.4 -2.6 0.0 -38 842 No stop 21 39 55 --- 14 32 53 54.0 1.4 -2.5 0.0 167 869 21 36 31 Schedule for WSTRBORK (Code Wb ) Page 5 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 21 40 40 J1639+8631 14 33 38 55.9 3.1 -2.0 0.0 7 869 21 40 40 21 42 05 =1654+866 14 35 04 55.9 3.1 -2.0 0.0 85 880 21 40 41 21 42 05 PSJ1721+8842 14 35 04 54.0 1.4 -2.5 0.0 -38 880 No stop 21 45 30 --- 14 38 29 54.0 1.3 -2.4 0.0 167 906 21 42 06 21 45 30 J1639+8631 14 38 29 56.0 3.0 -1.9 0.0 -38 906 No stop 21 47 00 =1654+866 14 39 59 56.0 3.0 -1.9 0.0 52 918 21 45 31 21 47 00 PSJ1721+8842 14 39 59 54.0 1.3 -2.4 0.0 -38 918 No stop 21 50 25 --- 14 43 25 54.0 1.3 -2.3 0.0 167 944 21 47 01 21 51 10 J1639+8631 14 44 10 56.0 2.9 -1.8 0.0 7 944 21 51 10 21 52 35 =1654+866 14 45 35 56.0 2.9 -1.8 0.0 85 955 21 51 11 21 52 35 PSJ1721+8842 14 45 35 54.0 1.3 -2.3 0.0 -38 955 No stop 21 56 00 --- 14 49 01 54.0 1.2 -2.2 0.0 167 982 21 52 36 21 56 00 J1639+8631 14 49 01 56.0 2.8 -1.7 0.0 -38 982 No stop 21 57 30 =1654+866 14 50 31 56.0 2.7 -1.7 0.0 52 993 21 56 01 21 57 30 PSJ1721+8842 14 50 31 54.0 1.2 -2.2 0.0 -38 993 No stop 22 00 55 --- 14 53 57 54.0 1.2 -2.2 0.0 167 1020 21 57 31 22 01 40 J1639+8631 14 54 42 56.1 2.6 -1.6 0.0 7 1020 22 01 40 22 03 05 =1654+866 14 56 07 56.1 2.6 -1.6 0.0 85 1031 22 01 41 22 03 05 PSJ1721+8842 14 56 07 54.0 1.2 -2.1 0.0 -38 1031 No stop 22 06 30 --- 14 59 33 54.0 1.2 -2.1 0.0 167 1057 22 03 06 22 06 30 J1639+8631 14 59 33 56.1 2.5 -1.6 0.0 -38 1057 No stop 22 08 00 =1654+866 15 01 03 56.1 2.5 -1.5 0.0 52 1069 22 06 31 22 08 00 PSJ1721+8842 15 01 03 54.0 1.1 -2.0 0.0 -38 1069 No stop 22 11 25 --- 15 04 28 54.1 1.1 -2.0 0.0 167 1095 22 08 01 22 12 10 J1639+8631 15 05 14 56.1 2.4 -1.5 0.0 7 1095 22 12 10 22 13 35 =1654+866 15 06 39 56.2 2.3 -1.5 0.0 85 1106 22 12 11 22 13 35 PSJ1721+8842 15 06 39 54.1 1.1 -2.0 0.0 -38 1106 No stop 22 17 00 --- 15 10 04 54.1 1.1 -1.9 0.0 167 1132 22 13 36 22 17 00 J1639+8631 15 10 04 56.2 2.2 -1.4 0.0 -38 1132 No stop 22 18 30 =1654+866 15 11 35 56.2 2.2 -1.4 0.0 52 1144 22 17 01 Schedule for WSTRBORK (Code Wb ) Page 6 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 22 18 30 PSJ1721+8842 15 11 35 54.1 1.1 -1.9 0.0 -38 1144 No stop 22 21 55 --- 15 15 00 54.1 1.0 -1.8 0.0 167 1170 22 18 31 22 22 40 J1639+8631 15 15 45 56.2 2.1 -1.3 0.0 7 1170 22 22 40 22 24 05 =1654+866 15 17 10 56.2 2.1 -1.3 0.0 85 1181 22 22 41 22 24 05 PSJ1721+8842 15 17 10 54.1 1.0 -1.8 0.0 -38 1181 No stop 22 27 30 --- 15 20 36 54.1 1.0 -1.7 0.0 167 1208 22 24 06 22 27 30 J1639+8631 15 20 36 56.2 2.0 -1.2 0.0 -38 1208 No stop 22 29 00 =1654+866 15 22 06 56.2 1.9 -1.2 0.0 52 1219 22 27 31 22 29 00 PSJ1721+8842 15 22 06 54.1 1.0 -1.7 0.0 -38 1219 No stop 22 32 25 --- 15 25 32 54.1 0.9 -1.6 0.0 167 1246 22 29 01 22 33 10 J1639+8631 15 26 17 56.3 1.8 -1.1 0.0 7 1246 22 33 10 22 34 35 =1654+866 15 27 42 56.3 1.8 -1.1 0.0 85 1257 22 33 11 22 34 35 PSJ1721+8842 15 27 42 54.1 0.9 -1.6 0.0 -38 1257 No stop 22 38 00 --- 15 31 08 54.1 0.9 -1.5 0.0 167 1283 22 34 36 22 38 00 J1639+8631 15 31 08 56.3 1.7 -1.0 0.0 -38 1283 No stop 22 39 30 =1654+866 15 32 38 56.3 1.7 -1.0 0.0 52 1295 22 38 01 22 39 30 PSJ1721+8842 15 32 38 54.1 0.9 -1.5 0.0 -38 1295 No stop 22 42 55 --- 15 36 04 54.1 0.8 -1.5 0.0 167 1321 22 39 31 22 43 40 J1639+8631 15 36 49 56.3 1.6 -0.9 0.0 7 1321 22 43 40 22 45 05 =1654+866 15 38 14 56.3 1.5 -0.9 0.0 85 1332 22 43 41 22 45 05 PSJ1721+8842 15 38 14 54.1 0.8 -1.4 0.0 -38 1332 No stop 22 48 30 --- 15 41 39 54.1 0.8 -1.4 0.0 167 1358 22 45 06 22 48 30 J1639+8631 15 41 39 56.3 1.4 -0.9 0.0 -38 1358 No stop 22 50 00 =1654+866 15 43 10 56.3 1.4 -0.8 0.0 52 1370 22 48 31 22 50 00 PSJ1721+8842 15 43 10 54.2 0.8 -1.3 0.0 -38 1370 No stop 22 53 25 --- 15 46 35 54.2 0.7 -1.3 0.0 167 1396 22 50 01 22 54 10 J1639+8631 15 47 20 56.3 1.3 -0.8 0.0 7 1396 22 54 10 22 55 35 =1654+866 15 48 46 56.4 1.2 -0.7 0.0 85 1407 22 54 11 22 55 35 PSJ1721+8842 15 48 46 54.2 0.7 -1.2 0.0 -38 1407 No stop 22 59 00 --- 15 52 11 54.2 0.7 -1.2 0.0 167 1434 22 55 36 Schedule for WSTRBORK (Code Wb ) Page 7 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 22 59 00 J1639+8631 15 52 11 56.4 1.1 -0.7 0.0 -38 1434 No stop 23 00 30 =1654+866 15 53 41 56.4 1.1 -0.7 0.0 52 1445 22 59 01 23 00 30 PSJ1721+8842 15 53 41 54.2 0.7 -1.2 0.0 -38 1445 No stop 23 03 55 --- 15 57 07 54.2 0.6 -1.1 0.0 167 1472 23 00 31 23 04 40 J1639+8631 15 57 52 56.4 1.0 -0.6 0.0 7 1472 23 04 40 23 06 05 =1654+866 15 59 17 56.4 0.9 -0.6 0.0 85 1483 23 04 41 23 06 05 PSJ1721+8842 15 59 17 54.2 0.6 -1.1 0.0 -38 1483 No stop 23 09 30 --- 16 02 43 54.2 0.6 -1.0 0.0 167 1509 23 06 06 23 09 30 J1639+8631 16 02 43 56.4 0.9 -0.5 0.0 -38 1509 No stop 23 11 00 =1654+866 16 04 13 56.4 0.8 -0.5 0.0 52 1521 23 09 31 23 11 00 PSJ1721+8842 16 04 13 54.2 0.6 -1.0 0.0 -38 1521 No stop 23 14 25 --- 16 07 39 54.2 0.5 -0.9 0.0 167 1547 23 11 01 23 15 10 J1639+8631 16 08 24 56.4 0.7 -0.4 0.0 7 1547 23 15 10 23 16 35 =1654+866 16 09 49 56.4 0.7 -0.4 0.0 85 1558 23 15 11 23 16 35 PSJ1721+8842 16 09 49 54.2 0.5 -0.9 0.0 -38 1558 No stop 23 20 00 --- 16 13 15 54.2 0.5 -0.8 0.0 167 1584 23 16 36 23 20 00 J1639+8631 16 13 15 56.4 0.6 -0.3 0.0 -38 1584 No stop 23 21 30 =1654+866 16 14 45 56.4 0.5 -0.3 0.0 52 1596 23 20 01 23 21 30 PSJ1721+8842 16 14 45 54.2 0.5 -0.8 0.0 -38 1596 No stop 23 24 55 --- 16 18 10 54.2 0.4 -0.8 0.0 167 1622 23 21 31 23 25 40 J1639+8631 16 18 56 56.4 0.4 -0.2 0.0 7 1622 23 25 40 23 27 05 =1654+866 16 20 21 56.4 0.4 -0.2 0.0 85 1633 23 25 41 23 27 05 PSJ1721+8842 16 20 21 54.2 0.4 -0.7 0.0 -38 1633 No stop 23 30 30 --- 16 23 46 54.2 0.4 -0.7 0.0 167 1660 23 27 06 23 30 30 J1639+8631 16 23 46 56.4 0.3 -0.2 0.0 -38 1660 No stop 23 32 00 =1654+866 16 25 17 56.4 0.2 -0.1 0.0 52 1671 23 30 31 23 32 00 PSJ1721+8842 16 25 17 54.2 0.4 -0.6 0.0 -38 1671 No stop 23 35 25 --- 16 28 42 54.2 0.3 -0.6 0.0 167 1698 23 32 01 23 36 10 J1639+8631 16 29 27 56.4 0.1 -0.1 0.0 7 1698 23 36 10 23 37 35 =1654+866 16 30 53 56.4 0.1 -0.0 0.0 85 1709 23 36 11 Schedule for WSTRBORK (Code Wb ) Page 8 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 23 37 35 PSJ1721+8842 16 30 53 54.2 0.3 -0.5 0.0 -38 1709 No stop 23 41 00 --- 16 34 18 54.2 0.3 -0.5 0.0 167 1735 23 37 36 23 41 00 J1639+8631 16 34 18 56.4 360.0 0.0 0.0 -38 1735 No stop 23 42 30 =1654+866 16 35 48 56.4 359.9 0.0 0.0 52 1747 23 41 01 23 42 30 PSJ1721+8842 16 35 48 54.2 0.3 -0.5 0.0 -38 1747 No stop 23 45 55 --- 16 39 14 54.2 0.2 -0.4 0.0 167 1773 23 42 31 23 46 40 J1639+8631 16 39 59 56.4 359.8 0.1 0.0 7 1773 23 46 40 23 48 05 =1654+866 16 41 24 56.4 359.8 0.1 0.0 85 1784 23 46 41 23 48 05 PSJ1721+8842 16 41 24 54.2 0.2 -0.4 0.0 -38 1784 No stop 23 51 30 --- 16 44 50 54.2 0.2 -0.3 0.0 167 1811 23 48 06 23 51 30 J1639+8631 16 44 50 56.4 359.7 0.2 0.0 -38 1811 No stop 23 53 00 =1654+866 16 46 20 56.4 359.7 0.2 0.0 52 1822 23 51 31 23 53 00 PSJ1721+8842 16 46 20 54.2 0.2 -0.3 0.0 -38 1822 No stop 23 56 25 --- 16 49 46 54.2 0.1 -0.2 0.0 167 1849 23 53 01 23 57 10 J1639+8631 16 50 31 56.4 359.5 0.3 0.0 7 1849 23 57 10 23 58 35 =1654+866 16 51 56 56.4 359.5 0.3 0.0 85 1860 23 57 11 --- Start: Fri 28 May 2021 Day 148 -- Stop: Sat 29 May 2021 Day 149 --- 23 58 35 PSJ1721+8842 16 51 56 54.2 0.1 -0.2 0.0 -38 1860 No stop 00 02 00 --- 16 55 22 54.2 0.1 -0.1 0.0 167 1886 23 58 36 00 02 00 J1639+8631 16 55 22 56.4 359.4 0.4 0.0 -38 1886 No stop 00 03 30 =1654+866 16 56 52 56.4 359.4 0.4 0.0 52 1898 00 02 01 00 03 30 PSJ1721+8842 16 56 52 54.2 0.1 -0.1 0.0 -38 1898 No stop 00 06 55 --- 17 00 17 54.2 0.0 -0.1 0.0 167 1924 00 03 31 00 07 40 J1639+8631 17 01 02 56.4 359.2 0.5 0.0 7 1924 00 07 40 00 09 05 =1654+866 17 02 28 56.4 359.2 0.5 0.0 85 1935 00 07 41 00 09 05 PSJ1721+8842 17 02 28 54.2 0.0 -0.0 0.0 -38 1935 No stop 00 12 30 --- 17 05 53 54.2 360.0 0.0 0.0 167 1961 00 09 06 00 12 30 J1639+8631 17 05 53 56.4 359.1 0.5 0.0 -38 1961 No stop 00 14 00 =1654+866 17 07 24 56.4 359.1 0.6 0.0 52 1973 00 12 31 Schedule for WSTRBORK (Code Wb ) Page 9 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 29 May 2021 Day 149 --- 00 14 00 PSJ1721+8842 17 07 24 54.2 360.0 0.1 0.0 -38 1973 No stop 00 17 25 --- 17 10 49 54.2 359.9 0.1 0.0 167 1999 00 14 01 00 18 10 J1639+8631 17 11 34 56.4 359.0 0.6 0.0 7 1999 00 18 10 00 19 35 =1654+866 17 12 59 56.4 358.9 0.7 0.0 85 2010 00 18 11 00 19 35 PSJ1721+8842 17 12 59 54.2 359.9 0.2 0.0 -38 2010 No stop 00 23 00 --- 17 16 25 54.2 359.9 0.2 0.0 167 2037 00 19 36 00 23 00 J1639+8631 17 16 25 56.4 358.8 0.7 0.0 -38 2037 No stop 00 24 30 =1654+866 17 17 55 56.4 358.8 0.7 0.0 52 2048 00 23 01 00 24 30 PSJ1721+8842 17 17 55 54.2 359.9 0.2 0.0 -38 2048 No stop 00 27 55 --- 17 21 21 54.2 359.8 0.3 0.0 167 2075 00 24 31 00 28 40 J1639+8631 17 22 06 56.3 358.7 0.8 0.0 7 2075 00 28 40 00 30 05 =1654+866 17 23 31 56.3 358.6 0.8 0.0 85 2086 00 28 41 00 30 05 PSJ1721+8842 17 23 31 54.2 359.8 0.3 0.0 -38 2086 No stop 00 33 30 --- 17 26 57 54.2 359.8 0.4 0.0 167 2112 00 30 06 00 33 30 J1639+8631 17 26 57 56.3 358.5 0.9 0.0 -38 2112 No stop 00 35 00 =1654+866 17 28 27 56.3 358.5 0.9 0.0 52 2124 00 33 31 00 35 00 PSJ1721+8842 17 28 27 54.2 359.8 0.4 0.0 -38 2124 No stop 00 38 25 --- 17 31 53 54.2 359.7 0.5 0.0 167 2150 00 35 01 00 39 10 J1639+8631 17 32 38 56.3 358.4 1.0 0.0 7 2150 00 39 10 00 40 35 =1654+866 17 34 03 56.3 358.4 1.0 0.0 85 2161 00 39 11 00 40 35 PSJ1721+8842 17 34 03 54.2 359.7 0.5 0.0 -38 2161 No stop 00 44 00 --- 17 37 28 54.2 359.7 0.6 0.0 167 2187 00 40 36 00 44 00 J1639+8631 17 37 28 56.3 358.3 1.1 0.0 -38 2187 No stop 00 45 30 =1654+866 17 38 59 56.3 358.2 1.1 0.0 52 2199 00 44 01 00 45 30 PSJ1721+8842 17 38 59 54.2 359.7 0.6 0.0 -38 2199 No stop 00 48 55 --- 17 42 24 54.2 359.6 0.6 0.0 167 2225 00 45 31 00 49 40 J1639+8631 17 43 09 56.3 358.1 1.2 0.0 7 2225 00 49 40 00 51 05 =1654+866 17 44 35 56.2 358.1 1.2 0.0 85 2236 00 49 41 00 51 05 PSJ1721+8842 17 44 35 54.2 359.6 0.7 0.0 -38 2236 No stop 00 54 30 --- 17 48 00 54.2 359.6 0.7 0.0 167 2263 00 51 06 Schedule for WSTRBORK (Code Wb ) Page 10 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 29 May 2021 Day 149 --- 00 54 30 J1639+8631 17 48 00 56.2 358.0 1.2 0.0 -38 2263 No stop 00 56 00 =1654+866 17 49 30 56.2 357.9 1.3 0.0 52 2274 00 54 31 00 56 00 PSJ1721+8842 17 49 30 54.2 359.6 0.8 0.0 -38 2274 No stop 00 59 25 --- 17 52 56 54.2 359.5 0.8 0.0 167 2301 00 56 01 01 00 10 J1639+8631 17 53 41 56.2 357.8 1.3 0.0 7 2301 01 00 10 01 01 35 =1654+866 17 55 06 56.2 357.8 1.4 0.0 85 2312 01 00 11 01 01 35 PSJ1721+8842 17 55 06 54.2 359.5 0.9 0.0 -38 2312 No stop 01 05 00 --- 17 58 32 54.2 359.5 0.9 0.0 167 2338 01 01 36 01 05 00 J1639+8631 17 58 32 56.2 357.7 1.4 0.0 -38 2338 No stop 01 06 30 =1654+866 18 00 02 56.2 357.7 1.4 0.0 52 2350 01 05 01 01 06 30 PSJ1721+8842 18 00 02 54.2 359.5 0.9 0.0 -38 2350 No stop 01 09 55 --- 18 03 28 54.2 359.4 1.0 0.0 167 2376 01 06 31 01 10 40 J1639+8631 18 04 13 56.1 357.6 1.5 0.0 7 2376 01 10 40 01 12 05 =1654+866 18 05 38 56.1 357.5 1.5 0.0 85 2387 01 10 41 01 12 05 PSJ1721+8842 18 05 38 54.2 359.4 1.0 0.0 -38 2387 No stop 01 15 30 --- 18 09 04 54.2 359.4 1.1 0.0 167 2413 01 12 06 01 15 30 J1639+8631 18 09 04 56.1 357.5 1.6 0.0 -38 2413 No stop 01 17 00 =1654+866 18 10 34 56.1 357.4 1.6 0.0 52 2425 01 15 31 01 17 00 PSJ1721+8842 18 10 34 54.2 359.4 1.1 0.0 -38 2425 No stop 01 20 25 --- 18 13 59 54.2 359.3 1.2 0.0 167 2451 01 17 01 01 21 10 J1639+8631 18 14 45 56.1 357.3 1.7 0.0 7 2451 01 21 10 01 22 35 =1654+866 18 16 10 56.1 357.3 1.7 0.0 85 2462 01 21 11 01 22 35 PSJ1721+8842 18 16 10 54.2 359.3 1.2 0.0 -38 2462 No stop 01 26 00 --- 18 19 35 54.2 359.3 1.3 0.0 167 2489 01 22 36 01 26 00 J1639+8631 18 19 35 56.0 357.2 1.8 0.0 -38 2489 No stop 01 27 30 =1654+866 18 21 06 56.0 357.2 1.8 0.0 52 2500 01 26 01 01 32 30 3C454.3 18 26 06 26.6 98.2 -4.5 0.0 -26 2500 01 32 30 01 37 30 --- 18 31 07 27.3 99.3 -4.4 0.0 274 2539 01 32 31 01 42 30 J1639+8631 18 36 08 55.9 356.8 2.0 0.0 -35 2539 01 42 30 01 47 30 =1654+866 18 41 09 55.9 356.7 2.1 0.0 265 2578 01 42 31 Schedule for WSTRBORK (Code Wb ) Page 11 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 29 May 2021 Day 149 --- 01 47 30 PSJ1721+8842 18 41 09 54.1 359.1 1.6 0.0 -38 2578 No stop 01 50 55 --- 18 44 34 54.1 359.0 1.7 0.0 167 2604 01 47 31 01 51 40 J1639+8631 18 45 20 55.8 356.6 2.2 0.0 7 2604 01 51 40 01 53 05 =1654+866 18 46 45 55.8 356.6 2.2 0.0 85 2615 01 51 41 01 53 05 PSJ1721+8842 18 46 45 54.1 359.0 1.7 0.0 -38 2615 No stop 01 56 30 --- 18 50 10 54.1 359.0 1.8 0.0 167 2641 01 53 06 01 56 30 J1639+8631 18 50 10 55.8 356.5 2.3 0.0 -38 2641 No stop 01 58 00 =1654+866 18 51 41 55.8 356.5 2.3 0.0 52 2653 01 56 31 01 58 00 PSJ1721+8842 18 51 41 54.1 359.0 1.8 0.0 -38 2653 No stop 02 01 25 --- 18 55 06 54.1 358.9 1.9 0.0 167 2679 01 58 01 02 02 10 J1639+8631 18 55 51 55.7 356.4 2.4 0.0 7 2679 02 02 10 02 03 35 =1654+866 18 57 17 55.7 356.3 2.4 0.0 85 2690 02 02 11 02 03 35 PSJ1721+8842 18 57 17 54.1 358.9 1.9 0.0 -38 2690 No stop 02 07 00 --- 19 00 42 54.1 358.9 2.0 0.0 167 2717 02 03 36 02 07 00 J1639+8631 19 00 42 55.7 356.3 2.5 0.0 -38 2717 No stop 02 08 30 =1654+866 19 02 12 55.7 356.2 2.5 0.0 52 2728 02 07 01 02 08 30 PSJ1721+8842 19 02 12 54.1 358.9 2.0 0.0 -38 2728 No stop 02 11 55 --- 19 05 38 54.0 358.9 2.0 0.0 167 2755 02 08 31 02 12 40 J1639+8631 19 06 23 55.6 356.2 2.5 0.0 7 2755 02 12 40 02 14 05 =1654+866 19 07 48 55.6 356.1 2.6 0.0 85 2766 02 12 41 02 14 05 PSJ1721+8842 19 07 48 54.0 358.8 2.1 0.0 -38 2766 No stop 02 17 30 --- 19 11 14 54.0 358.8 2.1 0.0 167 2792 02 14 06 02 17 30 J1639+8631 19 11 14 55.6 356.1 2.6 0.0 -38 2792 No stop 02 19 00 =1654+866 19 12 44 55.6 356.0 2.7 0.0 52 2804 02 17 31 02 19 00 PSJ1721+8842 19 12 44 54.0 358.8 2.2 0.0 -38 2804 No stop 02 22 25 --- 19 16 10 54.0 358.8 2.2 0.0 167 2830 02 19 01 02 23 10 J1639+8631 19 16 55 55.5 355.9 2.7 0.0 7 2830 02 23 10 02 24 35 =1654+866 19 18 20 55.5 355.9 2.7 0.0 85 2841 02 23 11 02 24 35 PSJ1721+8842 19 18 20 54.0 358.8 2.2 0.0 -38 2841 No stop 02 28 00 --- 19 21 46 54.0 358.7 2.3 0.0 167 2868 02 24 36 Schedule for WSTRBORK (Code Wb ) Page 12 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 29 May 2021 Day 149 --- 02 28 00 J1639+8631 19 21 46 55.5 355.9 2.8 0.0 -38 2868 No stop 02 29 30 =1654+866 19 23 16 55.4 355.8 2.8 0.0 52 2879 02 28 01 02 29 30 PSJ1721+8842 19 23 16 54.0 358.7 2.3 0.0 -38 2879 No stop 02 32 55 --- 19 26 41 54.0 358.7 2.4 0.0 167 2906 02 29 31 02 33 40 J1639+8631 19 27 26 55.4 355.7 2.9 0.0 7 2906 02 33 40 02 35 05 =1654+866 19 28 52 55.4 355.7 2.9 0.0 85 2916 02 33 41 02 35 05 PSJ1721+8842 19 28 52 54.0 358.7 2.4 0.0 -38 2916 No stop 02 38 30 --- 19 32 17 54.0 358.6 2.5 0.0 167 2943 02 35 06 02 38 30 J1639+8631 19 32 17 55.3 355.7 3.0 0.0 -38 2943 No stop 02 40 00 =1654+866 19 33 48 55.3 355.6 3.0 0.0 52 2954 02 38 31 02 40 00 PSJ1721+8842 19 33 48 54.0 358.6 2.5 0.0 -38 2954 No stop 02 43 25 --- 19 37 13 53.9 358.6 2.6 0.0 167 2981 02 40 01 02 44 10 J1639+8631 19 37 58 55.3 355.6 3.1 0.0 7 2981 02 44 10 02 45 35 =1654+866 19 39 23 55.3 355.5 3.1 0.0 85 2992 02 44 11 02 45 35 PSJ1721+8842 19 39 23 53.9 358.6 2.6 0.0 -38 2992 No stop 02 49 00 --- 19 42 49 53.9 358.6 2.7 0.0 167 3018 02 45 36 02 49 00 J1639+8631 19 42 49 55.2 355.5 3.2 0.0 -38 3018 No stop 02 50 30 =1654+866 19 44 19 55.2 355.5 3.2 0.0 52 3030 02 49 01 02 50 30 PSJ1721+8842 19 44 19 53.9 358.6 2.7 0.0 -38 3030 No stop 02 53 55 --- 19 47 45 53.9 358.5 2.7 0.0 167 3056 02 50 31 02 54 40 J1639+8631 19 48 30 55.1 355.4 3.2 0.0 7 3056 02 54 40 02 56 05 =1654+866 19 49 55 55.1 355.4 3.3 0.0 85 3067 02 54 41 02 56 05 PSJ1721+8842 19 49 55 53.9 358.5 2.8 0.0 -38 3067 No stop 02 59 30 --- 19 53 21 53.9 358.5 2.8 0.0 167 3094 02 56 06 02 59 30 J1639+8631 19 53 21 55.1 355.3 3.3 0.0 -38 3094 No stop 03 01 00 =1654+866 19 54 51 55.1 355.3 3.4 0.0 52 3105 02 59 31 03 01 00 PSJ1721+8842 19 54 51 53.9 358.5 2.9 0.0 -38 3105 No stop 03 04 25 --- 19 58 17 53.9 358.5 2.9 0.0 167 3132 03 01 01 03 05 10 J1639+8631 19 59 02 55.0 355.2 3.4 0.0 7 3132 03 05 10 03 06 35 =1654+866 20 00 27 55.0 355.2 3.4 0.0 85 3143 03 05 11 Schedule for WSTRBORK (Code Wb ) Page 13 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 29 May 2021 Day 149 --- 03 06 35 PSJ1721+8842 20 00 27 53.9 358.4 2.9 0.0 -38 3143 No stop 03 10 00 --- 20 03 52 53.8 358.4 3.0 0.0 167 3169 03 06 36 03 10 00 J1639+8631 20 03 52 55.0 355.1 3.5 0.0 -38 3169 No stop 03 11 30 =1654+866 20 05 23 54.9 355.1 3.5 0.0 52 3181 03 10 01 03 11 30 PSJ1721+8842 20 05 23 53.8 358.4 3.0 0.0 -38 3181 No stop 03 14 55 --- 20 08 48 53.8 358.4 3.1 0.0 167 3207 03 11 31 03 15 40 J1639+8631 20 09 33 54.9 355.1 3.6 0.0 7 3207 03 15 40 03 17 05 =1654+866 20 10 59 54.9 355.0 3.6 0.0 85 3218 03 15 41 03 17 05 PSJ1721+8842 20 10 59 53.8 358.4 3.1 0.0 -38 3218 No stop 03 20 30 --- 20 14 24 53.8 358.3 3.2 0.0 167 3244 03 17 06 03 20 30 J1639+8631 20 14 24 54.8 355.0 3.7 0.0 -38 3244 No stop 03 22 00 =1654+866 20 15 54 54.8 355.0 3.7 0.0 52 3256 03 20 31 03 22 00 PSJ1721+8842 20 15 54 53.8 358.3 3.2 0.0 -38 3256 No stop 03 25 25 --- 20 19 20 53.8 358.3 3.3 0.0 167 3282 03 22 01 03 26 10 J1639+8631 20 20 05 54.7 354.9 3.8 0.0 7 3282 03 26 10 03 27 35 =1654+866 20 21 30 54.7 354.9 3.8 0.0 85 3293 03 26 11 03 27 35 PSJ1721+8842 20 21 30 53.8 358.3 3.3 0.0 -38 3293 No stop 03 31 00 --- 20 24 56 53.7 358.3 3.4 0.0 167 3320 03 27 36 03 31 00 J1639+8631 20 24 56 54.7 354.9 3.9 0.0 -38 3320 No stop 03 32 30 =1654+866 20 26 26 54.7 354.8 3.9 0.0 52 3331 03 31 01 03 32 30 PSJ1721+8842 20 26 26 53.7 358.3 3.4 0.0 -38 3331 No stop 03 35 55 --- 20 29 52 53.7 358.3 3.4 0.0 167 3358 03 32 31 03 36 40 J1639+8631 20 30 37 54.6 354.8 3.9 0.0 7 3358 03 36 40 03 38 05 =1654+866 20 32 02 54.6 354.8 4.0 0.0 85 3369 03 36 41 03 38 05 PSJ1721+8842 20 32 02 53.7 358.2 3.5 0.0 -38 3369 No stop 03 41 30 --- 20 35 28 53.7 358.2 3.5 0.0 167 3395 03 38 06 03 41 30 J1639+8631 20 35 28 54.5 354.7 4.0 0.0 -38 3395 No stop 03 43 00 =1654+866 20 36 58 54.5 354.7 4.1 0.0 52 3407 03 41 31 03 43 00 PSJ1721+8842 20 36 58 53.7 358.2 3.6 0.0 -38 3407 No stop 03 46 25 --- 20 40 23 53.7 358.2 3.6 0.0 167 3433 03 43 01 Schedule for WSTRBORK (Code Wb ) Page 14 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 29 May 2021 Day 149 --- 03 47 10 J1639+8631 20 41 09 54.5 354.7 4.1 0.0 7 3433 03 47 10 03 48 35 =1654+866 20 42 34 54.4 354.7 4.1 0.0 85 3444 03 47 11 03 48 35 PSJ1721+8842 20 42 34 53.7 358.2 3.6 0.0 -38 3444 No stop 03 52 00 --- 20 45 59 53.6 358.2 3.7 0.0 167 3470 03 48 36 03 52 00 J1639+8631 20 45 59 54.4 354.6 4.2 0.0 -38 3470 No stop 03 53 30 =1654+866 20 47 30 54.4 354.6 4.2 0.0 52 3482 03 52 01 03 53 30 PSJ1721+8842 20 47 30 53.6 358.2 3.7 0.0 -38 3482 No stop 03 56 55 --- 20 50 55 53.6 358.1 3.8 0.0 167 3508 03 53 31 03 57 40 J1639+8631 20 51 40 54.3 354.6 4.3 0.0 7 3508 03 57 40 03 59 05 =1654+866 20 53 06 54.3 354.6 4.3 0.0 85 3519 03 57 41 03 59 05 PSJ1721+8842 20 53 06 53.6 358.1 3.8 0.0 -38 3519 No stop 04 02 30 --- 20 56 31 53.6 358.1 3.9 0.0 167 3546 03 59 06 04 02 30 J1639+8631 20 56 31 54.2 354.5 4.4 0.0 -38 3546 No stop 04 04 00 =1654+866 20 58 01 54.2 354.5 4.4 0.0 52 3557 04 02 31 04 04 00 PSJ1721+8842 20 58 01 53.6 358.1 3.9 0.0 -38 3557 No stop 04 07 25 --- 21 01 27 53.6 358.1 4.0 0.0 167 3584 04 04 01 04 08 10 J1639+8631 21 02 12 54.2 354.5 4.5 0.0 7 3584 04 08 10 04 09 35 =1654+866 21 03 37 54.1 354.5 4.5 0.0 85 3595 04 08 11 04 09 35 PSJ1721+8842 21 03 37 53.6 358.1 4.0 0.0 -38 3595 No stop 04 13 00 --- 21 07 03 53.5 358.1 4.1 0.0 167 3621 04 09 36 04 13 00 J1639+8631 21 07 03 54.1 354.4 4.6 0.0 -38 3621 No stop 04 14 30 =1654+866 21 08 33 54.1 354.4 4.6 0.0 52 3633 04 13 01 04 14 30 PSJ1721+8842 21 08 33 53.5 358.1 4.1 0.0 -38 3633 No stop 04 17 55 --- 21 11 59 53.5 358.0 4.1 0.0 167 3659 04 14 31 04 18 40 J1639+8631 21 12 44 54.0 354.4 4.7 0.0 7 3659 04 18 40 04 20 05 =1654+866 21 14 09 54.0 354.4 4.7 0.0 85 3670 04 18 41 04 20 05 PSJ1721+8842 21 14 09 53.5 358.0 4.2 0.0 -38 3670 No stop 04 23 30 --- 21 17 35 53.5 358.0 4.2 0.0 167 3696 04 20 06 04 23 30 J1639+8631 21 17 35 53.9 354.4 4.7 0.0 -38 3696 No stop 04 25 00 =1654+866 21 19 05 53.9 354.3 4.8 0.0 52 3708 04 23 31 Schedule for WSTRBORK (Code Wb ) Page 15 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 29 May 2021 Day 149 --- 04 25 00 PSJ1721+8842 21 19 05 53.5 358.0 4.3 0.0 -38 3708 No stop 04 28 25 --- 21 22 30 53.5 358.0 4.3 0.0 167 3734 04 25 01 04 29 10 J1639+8631 21 23 15 53.8 354.3 4.8 0.0 7 3734 04 29 10 04 30 35 =1654+866 21 24 41 53.8 354.3 4.8 0.0 85 3745 04 29 11 04 30 35 PSJ1721+8842 21 24 41 53.5 358.0 4.4 0.0 -38 3745 No stop 04 34 00 --- 21 28 06 53.4 358.0 4.4 0.0 167 3772 04 30 36 04 34 00 J1639+8631 21 28 06 53.8 354.3 4.9 0.0 -38 3772 No stop 04 35 30 =1654+866 21 29 36 53.7 354.3 4.9 0.0 52 3783 04 34 01 04 35 30 PSJ1721+8842 21 29 36 53.4 358.0 4.4 0.0 -38 3783 No stop 04 38 55 --- 21 33 02 53.4 358.0 4.5 0.0 167 3810 04 35 31 04 39 40 J1639+8631 21 33 47 53.7 354.3 5.0 0.0 7 3810 04 39 40 04 41 05 =1654+866 21 35 12 53.7 354.3 5.0 0.0 85 3821 04 39 41 04 41 05 PSJ1721+8842 21 35 12 53.4 357.9 4.5 0.0 -38 3821 No stop 04 44 30 --- 21 38 38 53.4 357.9 4.6 0.0 167 3847 04 41 06 04 44 30 J1639+8631 21 38 38 53.6 354.2 5.1 0.0 -38 3847 No stop 04 46 00 =1654+866 21 40 08 53.6 354.2 5.1 0.0 52 3859 04 44 31 04 46 00 PSJ1721+8842 21 40 08 53.4 357.9 4.6 0.0 -38 3859 No stop 04 49 25 --- 21 43 34 53.3 357.9 4.7 0.0 167 3885 04 46 01 04 50 10 J1639+8631 21 44 19 53.5 354.2 5.2 0.0 7 3885 04 50 10 04 51 35 =1654+866 21 45 44 53.5 354.2 5.2 0.0 85 3896 04 50 11 04 51 35 PSJ1721+8842 21 45 44 53.3 357.9 4.7 0.0 -38 3896 No stop 04 55 00 --- 21 49 10 53.3 357.9 4.8 0.0 167 3923 04 51 36 04 55 00 J1639+8631 21 49 10 53.5 354.2 5.3 0.0 -38 3923 No stop 04 56 30 =1654+866 21 50 40 53.4 354.2 5.3 0.0 52 3934 04 55 01 04 56 30 PSJ1721+8842 21 50 40 53.3 357.9 4.8 0.0 -38 3934 No stop 04 59 55 --- 21 54 06 53.3 357.9 4.8 0.0 167 3961 04 56 31 05 00 40 J1639+8631 21 54 51 53.4 354.2 5.4 0.0 7 3961 05 00 40 05 02 05 =1654+866 21 56 16 53.3 354.2 5.4 0.0 85 3972 05 00 41 05 02 05 PSJ1721+8842 21 56 16 53.3 357.9 4.9 0.0 -38 3972 No stop 05 05 30 --- 21 59 41 53.3 357.9 4.9 0.0 167 3998 05 02 06 Schedule for WSTRBORK (Code Wb ) Page 16 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 29 May 2021 Day 149 --- 05 05 30 J1639+8631 21 59 41 53.3 354.2 5.4 0.0 -38 3998 No stop 05 07 00 =1654+866 22 01 12 53.3 354.2 5.5 0.0 52 4010 05 05 31 05 07 00 PSJ1721+8842 22 01 12 53.3 357.9 5.0 0.0 -38 4010 No stop 05 10 25 --- 22 04 37 53.2 357.9 5.0 0.0 167 4036 05 07 01 05 11 10 J1639+8631 22 05 22 53.2 354.2 5.5 0.0 7 4036 05 11 10 05 12 35 =1654+866 22 06 48 53.2 354.2 5.6 0.0 85 4047 05 11 11 05 12 35 PSJ1721+8842 22 06 48 53.2 357.9 5.1 0.0 -38 4047 No stop 05 16 00 --- 22 10 13 53.2 357.9 5.1 0.0 167 4073 05 12 36 05 16 00 J1639+8631 22 10 13 53.1 354.2 5.6 0.0 -38 4073 No stop 05 17 30 =1654+866 22 11 43 53.1 354.2 5.6 0.0 52 4085 05 16 01 05 17 30 PSJ1721+8842 22 11 43 53.2 357.9 5.1 0.0 -38 4085 No stop 05 20 55 --- 22 15 09 53.2 357.8 5.2 0.0 167 4111 05 17 31 05 21 40 J1639+8631 22 15 54 53.0 354.2 5.7 0.0 7 4111 05 21 40 05 23 05 =1654+866 22 17 19 53.0 354.2 5.7 0.0 85 4122 05 21 41 05 23 05 PSJ1721+8842 22 17 19 53.2 357.8 5.2 0.0 -38 4122 No stop 05 26 30 --- 22 20 45 53.1 357.8 5.3 0.0 167 4149 05 23 06 05 26 30 J1639+8631 22 20 45 53.0 354.2 5.8 0.0 -38 4149 No stop 05 28 00 =1654+866 22 22 15 52.9 354.2 5.8 0.0 52 4160 05 26 31 05 28 00 PSJ1721+8842 22 22 15 53.1 357.8 5.3 0.0 -38 4160 No stop 05 31 25 --- 22 25 41 53.1 357.8 5.4 0.0 167 4187 05 28 01 05 32 10 J1639+8631 22 26 26 52.9 354.2 5.9 0.0 7 4187 05 32 10 05 33 35 =1654+866 22 27 51 52.9 354.2 5.9 0.0 85 4198 05 32 11 05 33 35 PSJ1721+8842 22 27 51 53.1 357.8 5.4 0.0 -38 4198 No stop 05 37 00 --- 22 31 17 53.1 357.8 5.5 0.0 167 4224 05 33 36 05 37 00 J1639+8631 22 31 17 52.8 354.2 6.0 0.0 -38 4224 No stop 05 38 30 =1654+866 22 32 47 52.8 354.2 6.0 0.0 52 4236 05 37 01 05 43 30 3C84 22 37 48 42.6 73.9 -4.7 0.0 -245 4236 05 43 30 05 48 30 --- 22 42 48 43.4 74.7 -4.6 0.0 55 4274 05 43 31 05 58 30 PSJ1721+8842 22 52 50 53.0 357.8 5.8 0.0 65 4274 05 58 30 06 01 55 --- 22 56 16 52.9 357.8 5.9 0.0 205 4301 05 58 31 Schedule for WSTRBORK (Code Wb ) Page 17 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 29 May 2021 Day 149 --- 06 04 05 PSJ1721+8842 22 58 26 52.9 357.8 5.9 0.0 119 4301 06 04 05 06 07 30 --- 23 01 52 52.9 357.8 6.0 0.0 205 4327 06 04 06 06 09 00 PSJ1721+8842 23 03 22 52.9 357.8 6.0 0.0 79 4327 06 09 00 06 12 25 --- 23 06 47 52.9 357.8 6.1 D 0.0 0 4353 06 09 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.L1024 --- 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: 5 Station: WSTRBORK 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= 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 2 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 BBC fr= 379.49 379.49 379.49 379.49 443.49 443.49 443.49 443.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 2 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) * PSJ1721+8842 18 08 47.084813 * 17 21 43.936000 17 03 39.644560 0.00 88 43 26.13207 * 88 42 21.42800 88 40 48.95086 0.00 From catalog imbedded in main SCHED input file. * 3C84 03 16 29.567265 * 03 19 48.160096 03 21 10.311462 1.50 J0319+4130 41 19 51.91692 * 41 30 42.10404 41 35 08.24304 2.86 0316+413 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0319+41 GSFC 2016a X/S astro solution, 10291 observations. 1654+866 16 54 31.289232 * 16 39 25.014806 16 33 41.277383 10.77 * J1639+8631 86 37 07.15444 * 86 31 53.13177 86 29 20.00418 0.62 J1639+86 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 43 observations. * 3C345 16 41 17.606229 * 16 42 58.809967 16 43 43.226759 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 13.08296 0.59 1641+399 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1642+39 GSFC 2016a X/S astro solution, 53724 observations. * 3C454.3 22 51 29.519739 * 22 53 57.747939 22 55 00.061697 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 29.40943 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 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 PSJ1721+884sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 7.158 942.437 3C84 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.083 11.593 J1639+8631 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 3.313 410.527 3C345 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.083 11.321 3C454.3 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.083 11.521 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) PSJ1721+8842 69.7 3C84 24.0 J1639+8631 71.9 3C345 118.4 3C454.3 77.2 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg