COVER INFORMATION Station: IRBENE (Code Ir ) 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 IRBENE (Code Ir ) 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: 276.49 276.49 276.49 276.49 340.49 340.49 340.49 340.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 19 30 00 J1639+8631 13 23 39 59.8 5.2 -3.2 -128.1 0 0 19 30 00 19 31 30 =1654+866 13 25 10 59.8 5.1 -3.1 -128.5 90 12 19 30 01 19 31 30 PSJ1721+8842 13 25 10 58.3 2.0 -3.6 -123.6 -5 12 No stop 19 34 55 --- 13 28 35 58.3 2.0 -3.6 -124.5 200 38 19 31 31 19 35 40 J1639+8631 13 29 20 59.9 5.0 -3.1 -129.6 40 38 19 35 40 19 37 05 =1654+866 13 30 46 59.9 5.0 -3.0 -130.0 85 49 19 35 41 19 37 05 PSJ1721+8842 13 30 46 58.3 2.0 -3.5 -125.1 -5 49 No stop 19 40 30 --- 13 34 11 58.3 2.0 -3.5 -125.9 200 75 19 37 06 19 40 30 J1639+8631 13 34 11 60.0 5.0 -3.0 -130.9 -4 75 No stop 19 42 00 =1654+866 13 35 41 60.0 4.9 -3.0 -131.3 86 87 19 40 31 19 42 00 PSJ1721+8842 13 35 41 58.4 2.0 -3.5 -126.3 -4 87 No stop 19 45 25 --- 13 39 07 58.4 2.0 -3.4 -127.2 201 113 19 42 01 19 46 10 J1639+8631 13 39 52 60.0 4.8 -2.9 -132.4 41 113 19 46 10 19 47 35 =1654+866 13 41 17 60.0 4.8 -2.9 -132.8 85 124 19 46 11 19 47 35 PSJ1721+8842 13 41 17 58.4 1.9 -3.4 -127.8 -4 124 No stop 19 51 00 --- 13 44 43 58.4 1.9 -3.3 -128.6 201 151 19 47 36 19 51 00 J1639+8631 13 44 43 60.1 4.7 -2.8 -133.7 -4 151 No stop 19 52 30 =1654+866 13 46 13 60.1 4.7 -2.8 -134.1 86 162 19 51 01 19 52 30 PSJ1721+8842 13 46 13 58.4 1.9 -3.3 -129.0 -4 162 No stop 19 55 55 --- 13 49 39 58.4 1.9 -3.2 -129.9 201 189 19 52 31 19 56 40 J1639+8631 13 50 24 60.1 4.6 -2.7 -135.2 41 189 19 56 40 19 58 05 =1654+866 13 51 49 60.1 4.6 -2.7 -135.6 85 200 19 56 41 19 58 05 PSJ1721+8842 13 51 49 58.4 1.9 -3.2 -130.5 -4 200 No stop 20 01 30 --- 13 55 15 58.4 1.8 -3.1 -131.3 201 226 19 58 06 20 01 30 J1639+8631 13 55 15 60.2 4.5 -2.6 -136.5 -4 226 No stop 20 03 00 =1654+866 13 56 45 60.2 4.5 -2.6 -136.9 86 238 20 01 31 20 03 00 PSJ1721+8842 13 56 45 58.4 1.8 -3.1 -131.7 -4 238 No stop 20 06 25 --- 14 00 10 58.5 1.8 -3.1 -132.6 201 264 20 03 01 Schedule for IRBENE (Code Ir ) 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 14 00 56 60.2 4.4 -2.5 -138.1 41 264 20 07 10 20 08 35 =1654+866 14 02 21 60.3 4.3 -2.5 -138.4 85 275 20 07 11 20 08 35 PSJ1721+8842 14 02 21 58.5 1.8 -3.0 -133.1 -4 275 No stop 20 12 00 --- 14 05 46 58.5 1.8 -3.0 -134.0 201 301 20 08 36 20 12 00 J1639+8631 14 05 46 60.3 4.3 -2.5 -139.4 -4 301 No stop 20 13 30 =1654+866 14 07 17 60.3 4.2 -2.4 -139.8 86 313 20 12 01 20 13 30 PSJ1721+8842 14 07 17 58.5 1.8 -2.9 -134.4 -4 313 No stop 20 16 55 --- 14 10 42 58.5 1.7 -2.9 -135.3 201 339 20 13 31 20 17 40 J1639+8631 14 11 27 60.3 4.1 -2.4 -140.9 41 339 20 17 40 20 19 05 =1654+866 14 12 53 60.4 4.1 -2.3 -141.3 85 350 20 17 41 20 19 05 PSJ1721+8842 14 12 53 58.5 1.7 -2.8 -135.9 -4 350 No stop 20 22 30 --- 14 16 18 58.5 1.7 -2.8 -136.7 201 377 20 19 06 20 22 30 J1639+8631 14 16 18 60.4 4.0 -2.3 -142.2 -4 377 No stop 20 24 00 =1654+866 14 17 48 60.4 4.0 -2.3 -142.6 86 388 20 22 31 20 24 00 PSJ1721+8842 14 17 48 58.5 1.7 -2.8 -137.1 -4 388 No stop 20 27 25 --- 14 21 14 58.5 1.6 -2.7 -138.0 201 415 20 24 01 20 28 10 J1639+8631 14 21 59 60.4 3.9 -2.2 -143.8 41 415 20 28 10 20 29 35 =1654+866 14 23 24 60.5 3.8 -2.2 -144.1 85 426 20 28 11 20 29 35 PSJ1721+8842 14 23 24 58.6 1.6 -2.7 -138.6 -4 426 No stop 20 33 00 --- 14 26 50 58.6 1.6 -2.6 -139.4 201 452 20 29 36 20 33 00 J1639+8631 14 26 50 60.5 3.7 -2.1 -145.1 -4 452 No stop 20 34 30 =1654+866 14 28 20 60.5 3.7 -2.1 -145.5 86 464 20 33 01 20 34 30 PSJ1721+8842 14 28 20 58.6 1.6 -2.6 -139.8 -4 464 No stop 20 37 55 --- 14 31 46 58.6 1.6 -2.5 -140.7 201 490 20 34 31 20 38 40 J1639+8631 14 32 31 60.5 3.6 -2.0 -146.6 41 490 20 38 40 20 40 05 =1654+866 14 33 56 60.5 3.6 -2.0 -147.0 85 501 20 38 41 20 40 05 PSJ1721+8842 14 33 56 58.6 1.5 -2.5 -141.3 -4 501 No stop 20 43 30 --- 14 37 22 58.6 1.5 -2.4 -142.1 201 528 20 40 06 20 43 30 J1639+8631 14 37 22 60.6 3.5 -1.9 -147.9 -4 528 No stop 20 45 00 =1654+866 14 38 52 60.6 3.4 -1.9 -148.3 86 539 20 43 31 Schedule for IRBENE (Code Ir ) 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 14 38 52 58.6 1.5 -2.4 -142.5 -4 539 No stop 20 48 25 --- 14 42 17 58.6 1.5 -2.4 -143.4 201 566 20 45 01 20 49 10 J1639+8631 14 43 03 60.6 3.3 -1.8 -149.5 41 566 20 49 10 20 50 35 =1654+866 14 44 28 60.6 3.3 -1.8 -149.9 85 576 20 49 11 20 50 35 PSJ1721+8842 14 44 28 58.6 1.4 -2.3 -144.0 -4 576 No stop 20 54 00 --- 14 47 53 58.6 1.4 -2.3 -144.9 201 603 20 50 36 20 54 00 J1639+8631 14 47 53 60.7 3.2 -1.8 -150.8 -4 603 No stop 20 55 30 =1654+866 14 49 24 60.7 3.2 -1.7 -151.2 86 614 20 54 01 21 00 30 3C345 14 54 24 65.0 123.4 -1.8 -35.6 238 614 21 00 30 21 05 30 --- 14 59 25 65.5 125.3 -1.7 -34.7 300 653 21 00 31 21 10 30 J1639+8631 15 04 26 60.8 2.7 -1.5 -155.3 236 653 21 10 30 21 15 30 =1654+866 15 09 27 60.8 2.6 -1.4 -156.7 300 692 21 10 31 21 15 30 PSJ1721+8842 15 09 27 58.7 1.2 -1.9 -150.4 -4 692 No stop 21 18 55 --- 15 12 52 58.7 1.2 -1.8 -151.3 201 718 21 15 31 21 19 40 J1639+8631 15 13 38 60.8 2.5 -1.3 -157.9 41 718 21 19 40 21 21 05 =1654+866 15 15 03 60.8 2.4 -1.3 -158.3 85 729 21 19 41 21 21 05 PSJ1721+8842 15 15 03 58.7 1.2 -1.8 -151.9 -4 729 No stop 21 24 30 --- 15 18 28 58.7 1.1 -1.8 -152.7 201 756 21 21 06 21 24 30 J1639+8631 15 18 28 60.9 2.3 -1.3 -159.2 -4 756 No stop 21 26 00 =1654+866 15 19 59 60.9 2.3 -1.2 -159.6 86 767 21 24 31 21 26 00 PSJ1721+8842 15 19 59 58.7 1.1 -1.7 -153.1 -4 767 No stop 21 29 25 --- 15 23 24 58.7 1.1 -1.7 -154.0 201 794 21 26 01 21 30 10 J1639+8631 15 24 09 60.9 2.2 -1.2 -160.8 41 794 21 30 10 21 31 35 =1654+866 15 25 34 60.9 2.1 -1.1 -161.2 85 804 21 30 11 21 31 35 PSJ1721+8842 15 25 34 58.7 1.1 -1.6 -154.6 -4 804 No stop 21 35 00 --- 15 29 00 58.8 1.0 -1.6 -155.5 201 831 21 31 36 21 35 00 J1639+8631 15 29 00 60.9 2.0 -1.1 -162.1 -4 831 No stop 21 36 30 =1654+866 15 30 30 60.9 2.0 -1.1 -162.5 86 842 21 35 01 21 36 30 PSJ1721+8842 15 30 30 58.8 1.0 -1.6 -155.9 -4 842 No stop 21 39 55 --- 15 33 56 58.8 1.0 -1.5 -156.7 201 869 21 36 31 Schedule for IRBENE (Code Ir ) 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 15 34 41 60.9 1.8 -1.0 -163.7 41 869 21 40 40 21 42 05 =1654+866 15 36 06 60.9 1.8 -1.0 -164.1 85 880 21 40 41 21 42 05 PSJ1721+8842 15 36 06 58.8 0.9 -1.5 -157.3 -4 880 No stop 21 45 30 --- 15 39 32 58.8 0.9 -1.4 -158.2 201 906 21 42 06 21 45 30 J1639+8631 15 39 32 61.0 1.7 -0.9 -165.0 -4 906 No stop 21 47 00 =1654+866 15 41 02 61.0 1.6 -0.9 -165.4 86 918 21 45 31 21 47 00 PSJ1721+8842 15 41 02 58.8 0.9 -1.4 -158.6 -4 918 No stop 21 50 25 --- 15 44 28 58.8 0.9 -1.3 -159.5 201 944 21 47 01 21 51 10 J1639+8631 15 45 13 61.0 1.5 -0.8 -166.6 41 944 21 51 10 21 52 35 =1654+866 15 46 38 61.0 1.5 -0.8 -167.0 85 955 21 51 11 21 52 35 PSJ1721+8842 15 46 38 58.8 0.8 -1.3 -160.0 -4 955 No stop 21 56 00 --- 15 50 03 58.8 0.8 -1.2 -160.9 201 982 21 52 36 21 56 00 J1639+8631 15 50 03 61.0 1.4 -0.7 -167.9 -4 982 No stop 21 57 30 =1654+866 15 51 34 61.0 1.3 -0.7 -168.3 86 993 21 56 01 21 57 30 PSJ1721+8842 15 51 34 58.8 0.8 -1.2 -161.3 -4 993 No stop 22 00 55 --- 15 54 59 58.8 0.8 -1.1 -162.2 201 1020 21 57 31 22 01 40 J1639+8631 15 55 44 61.0 1.2 -0.6 -169.5 41 1020 22 01 40 22 03 05 =1654+866 15 57 10 61.0 1.1 -0.6 -169.9 85 1031 22 01 41 22 03 05 PSJ1721+8842 15 57 10 58.8 0.7 -1.1 -162.8 -4 1031 No stop 22 06 30 --- 16 00 35 58.8 0.7 -1.1 -163.6 201 1057 22 03 06 22 06 30 J1639+8631 16 00 35 61.0 1.0 -0.6 -170.8 -4 1057 No stop 22 08 00 =1654+866 16 02 05 61.0 1.0 -0.5 -171.2 86 1069 22 06 31 22 08 00 PSJ1721+8842 16 02 05 58.8 0.7 -1.0 -164.0 -4 1069 No stop 22 11 25 --- 16 05 31 58.8 0.6 -1.0 -164.9 201 1095 22 08 01 22 12 10 J1639+8631 16 06 16 61.0 0.9 -0.5 -172.4 41 1095 22 12 10 22 13 35 =1654+866 16 07 41 61.0 0.8 -0.4 -172.8 85 1106 22 12 11 22 13 35 PSJ1721+8842 16 07 41 58.8 0.6 -0.9 -165.5 -4 1106 No stop 22 17 00 --- 16 11 07 58.8 0.6 -0.9 -166.4 201 1132 22 13 36 22 17 00 J1639+8631 16 11 07 61.0 0.7 -0.4 -173.7 -4 1132 No stop 22 18 30 =1654+866 16 12 37 61.0 0.7 -0.4 -174.2 86 1144 22 17 01 Schedule for IRBENE (Code Ir ) 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 16 12 37 58.8 0.6 -0.9 -166.8 -4 1144 No stop 22 21 55 --- 16 16 03 58.8 0.5 -0.8 -167.6 201 1170 22 18 31 22 22 40 J1639+8631 16 16 48 61.1 0.5 -0.3 -175.3 41 1170 22 22 40 22 24 05 =1654+866 16 18 13 61.1 0.5 -0.3 -175.7 85 1181 22 22 41 22 24 05 PSJ1721+8842 16 18 13 58.8 0.5 -0.8 -168.2 -4 1181 No stop 22 27 30 --- 16 21 39 58.9 0.5 -0.7 -169.1 201 1208 22 24 06 22 27 30 J1639+8631 16 21 39 61.1 0.4 -0.2 -176.7 -4 1208 No stop 22 29 00 =1654+866 16 23 09 61.1 0.3 -0.2 -177.1 86 1219 22 27 31 22 29 00 PSJ1721+8842 16 23 09 58.9 0.4 -0.7 -169.5 -4 1219 No stop 22 32 25 --- 16 26 34 58.9 0.4 -0.6 -170.4 201 1246 22 29 01 22 33 10 J1639+8631 16 27 20 61.1 0.2 -0.1 -178.2 41 1246 22 33 10 22 34 35 =1654+866 16 28 45 61.1 0.2 -0.1 -178.6 85 1257 22 33 11 22 34 35 PSJ1721+8842 16 28 45 58.9 0.4 -0.6 -170.9 -4 1257 No stop 22 38 00 --- 16 32 10 58.9 0.3 -0.5 -171.8 201 1283 22 34 36 22 38 00 J1639+8631 16 32 10 61.1 0.0 -0.0 -179.6 -4 1283 No stop 22 39 30 =1654+866 16 33 41 61.1 0.0 -0.0 -180.0 86 1295 22 38 01 22 39 30 PSJ1721+8842 16 33 41 58.9 0.3 -0.5 -172.2 -4 1295 No stop 22 42 55 --- 16 37 06 58.9 0.3 -0.4 -173.1 201 1321 22 39 31 22 43 40 J1639+8631 16 37 51 61.1 -0.1 0.1 178.8 41 1321 22 43 40 22 45 05 =1654+866 16 39 17 61.1 -0.2 0.1 178.5 85 1332 22 43 41 22 45 05 PSJ1721+8842 16 39 17 58.9 0.3 -0.4 -173.7 -4 1332 No stop 22 48 30 --- 16 42 42 58.9 0.2 -0.3 -174.6 201 1358 22 45 06 22 48 30 J1639+8631 16 42 42 61.1 -0.3 0.2 177.5 -4 1358 No stop 22 50 00 =1654+866 16 44 12 61.1 -0.3 0.2 177.1 86 1370 22 48 31 22 50 00 PSJ1721+8842 16 44 12 58.9 0.2 -0.3 -175.0 -4 1370 No stop 22 53 25 --- 16 47 38 58.9 0.2 -0.3 -175.8 201 1396 22 50 01 22 54 10 J1639+8631 16 48 23 61.1 -0.5 0.2 175.9 41 1396 22 54 10 22 55 35 =1654+866 16 49 48 61.1 -0.5 0.3 175.5 85 1407 22 54 11 22 55 35 PSJ1721+8842 16 49 48 58.9 0.2 -0.2 -176.4 -4 1407 No stop 22 59 00 --- 16 53 14 58.9 0.1 -0.2 -177.3 201 1434 22 55 36 Schedule for IRBENE (Code Ir ) 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 16 53 14 61.1 -0.6 0.3 174.6 -4 1434 No stop 23 00 30 =1654+866 16 54 44 61.0 -0.7 0.4 174.2 86 1445 22 59 01 23 00 30 PSJ1721+8842 16 54 44 58.9 0.1 -0.1 -177.7 -4 1445 No stop 23 03 55 --- 16 58 10 58.9 0.1 -0.1 -178.6 201 1472 23 00 31 23 04 40 J1639+8631 16 58 55 61.0 -0.8 0.4 173.0 41 1472 23 04 40 23 06 05 =1654+866 17 00 20 61.0 -0.8 0.4 172.6 85 1483 23 04 41 23 06 05 PSJ1721+8842 17 00 20 58.9 0.0 -0.1 -179.1 -4 1483 No stop 23 09 30 --- 17 03 46 58.9 -0.0 0.0 180.0 201 1509 23 06 06 23 09 30 J1639+8631 17 03 46 61.0 -0.9 0.5 171.7 -4 1509 No stop 23 11 00 =1654+866 17 05 16 61.0 -1.0 0.5 171.3 86 1521 23 09 31 23 11 00 PSJ1721+8842 17 05 16 58.9 -0.0 0.0 179.6 -4 1521 No stop 23 14 25 --- 17 08 41 58.9 -0.1 0.1 178.7 201 1547 23 11 01 23 15 10 J1639+8631 17 09 26 61.0 -1.1 0.6 170.1 41 1547 23 15 10 23 16 35 =1654+866 17 10 52 61.0 -1.2 0.6 169.7 85 1558 23 15 11 23 16 35 PSJ1721+8842 17 10 52 58.9 -0.1 0.1 178.1 -4 1558 No stop 23 20 00 --- 17 14 17 58.9 -0.1 0.2 177.2 201 1584 23 16 36 23 20 00 J1639+8631 17 14 17 61.0 -1.3 0.7 168.8 -4 1584 No stop 23 21 30 =1654+866 17 15 48 61.0 -1.3 0.7 168.3 86 1596 23 20 01 23 21 30 PSJ1721+8842 17 15 48 58.9 -0.1 0.2 176.9 -4 1596 No stop 23 24 55 --- 17 19 13 58.9 -0.2 0.3 176.0 201 1622 23 21 31 23 25 40 J1639+8631 17 19 58 61.0 -1.5 0.8 167.2 41 1622 23 25 40 23 27 05 =1654+866 17 21 23 61.0 -1.5 0.8 166.8 85 1633 23 25 41 23 27 05 PSJ1721+8842 17 21 23 58.9 -0.2 0.3 175.4 -4 1633 No stop 23 30 30 --- 17 24 49 58.9 -0.2 0.4 174.5 201 1660 23 27 06 23 30 30 J1639+8631 17 24 49 61.0 -1.6 0.9 165.8 -4 1660 No stop 23 32 00 =1654+866 17 26 19 61.0 -1.6 0.9 165.4 86 1671 23 30 31 23 32 00 PSJ1721+8842 17 26 19 58.9 -0.3 0.4 174.1 -4 1671 No stop 23 35 25 --- 17 29 45 58.9 -0.3 0.4 173.2 201 1698 23 32 01 23 36 10 J1639+8631 17 30 30 60.9 -1.8 0.9 164.3 41 1698 23 36 10 23 37 35 =1654+866 17 31 55 60.9 -1.8 1.0 163.9 85 1709 23 36 11 Schedule for IRBENE (Code Ir ) 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 17 31 55 58.9 -0.3 0.5 172.7 -4 1709 No stop 23 41 00 --- 17 35 21 58.9 -0.4 0.5 171.8 201 1735 23 37 36 23 41 00 J1639+8631 17 35 21 60.9 -1.9 1.0 162.9 -4 1735 No stop 23 42 30 =1654+866 17 36 51 60.9 -2.0 1.1 162.5 86 1747 23 41 01 23 42 30 PSJ1721+8842 17 36 51 58.9 -0.4 0.6 171.4 -4 1747 No stop 23 45 55 --- 17 40 17 58.9 -0.4 0.6 170.5 201 1773 23 42 31 23 46 40 J1639+8631 17 41 02 60.9 -2.1 1.1 161.4 41 1773 23 46 40 23 48 05 =1654+866 17 42 27 60.9 -2.1 1.1 161.0 85 1784 23 46 41 23 48 05 PSJ1721+8842 17 42 27 58.9 -0.4 0.6 169.9 -4 1784 No stop 23 51 30 --- 17 45 52 58.8 -0.5 0.7 169.0 201 1811 23 48 06 23 51 30 J1639+8631 17 45 52 60.9 -2.2 1.2 160.0 -4 1811 No stop 23 53 00 =1654+866 17 47 23 60.9 -2.3 1.2 159.6 86 1822 23 51 31 23 53 00 PSJ1721+8842 17 47 23 58.8 -0.5 0.7 168.7 -4 1822 No stop 23 56 25 --- 17 50 48 58.8 -0.5 0.8 167.8 201 1849 23 53 01 23 57 10 J1639+8631 17 51 33 60.8 -2.4 1.3 158.5 41 1849 23 57 10 23 58 35 =1654+866 17 52 59 60.8 -2.4 1.3 158.1 85 1860 23 57 11 --- Start: Fri 28 May 2021 Day 148 -- Stop: Sat 29 May 2021 Day 149 --- 23 58 35 PSJ1721+8842 17 52 59 58.8 -0.5 0.8 167.2 -4 1860 No stop 00 02 00 --- 17 56 24 58.8 -0.6 0.9 166.3 201 1886 23 58 36 00 02 00 J1639+8631 17 56 24 60.8 -2.5 1.4 157.1 -4 1886 No stop 00 03 30 =1654+866 17 57 54 60.8 -2.6 1.4 156.7 86 1898 00 02 01 00 03 30 PSJ1721+8842 17 57 54 58.8 -0.6 0.9 165.9 -4 1898 No stop 00 06 55 --- 18 01 20 58.8 -0.6 1.0 165.0 201 1924 00 03 31 00 07 40 J1639+8631 18 02 05 60.8 -2.7 1.5 155.6 41 1924 00 07 40 00 09 05 =1654+866 18 03 30 60.8 -2.7 1.5 155.2 85 1935 00 07 41 00 09 05 PSJ1721+8842 18 03 30 58.8 -0.7 1.0 164.5 -4 1935 No stop 00 12 30 --- 18 06 56 58.8 -0.7 1.1 163.6 201 1961 00 09 06 00 12 30 J1639+8631 18 06 56 60.7 -2.8 1.6 154.2 -4 1961 No stop 00 14 00 =1654+866 18 08 26 60.7 -2.9 1.6 153.8 86 1973 00 12 31 Schedule for IRBENE (Code Ir ) 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 18 08 26 58.8 -0.7 1.1 163.2 -4 1973 No stop 00 17 25 --- 18 11 52 58.8 -0.7 1.1 162.3 201 1999 00 14 01 00 18 10 J1639+8631 18 12 37 60.7 -3.0 1.6 152.7 41 1999 00 18 10 00 19 35 =1654+866 18 14 02 60.7 -3.0 1.7 152.3 85 2010 00 18 11 00 19 35 PSJ1721+8842 18 14 02 58.8 -0.8 1.2 161.8 -4 2010 No stop 00 23 00 --- 18 17 28 58.8 -0.8 1.2 160.9 201 2037 00 19 36 00 23 00 J1639+8631 18 17 28 60.7 -3.1 1.7 151.4 -4 2037 No stop 00 24 30 =1654+866 18 18 58 60.7 -3.2 1.8 151.0 86 2048 00 23 01 00 24 30 PSJ1721+8842 18 18 58 58.8 -0.8 1.3 160.5 -4 2048 No stop 00 27 55 --- 18 22 23 58.8 -0.9 1.3 159.6 201 2075 00 24 31 00 28 40 J1639+8631 18 23 09 60.6 -3.3 1.8 149.8 41 2075 00 28 40 00 30 05 =1654+866 18 24 34 60.6 -3.3 1.8 149.4 85 2086 00 28 41 00 30 05 PSJ1721+8842 18 24 34 58.8 -0.9 1.3 159.0 -4 2086 No stop 00 33 30 --- 18 27 59 58.8 -0.9 1.4 158.1 201 2112 00 30 06 00 33 30 J1639+8631 18 27 59 60.6 -3.4 1.9 148.5 -4 2112 No stop 00 35 00 =1654+866 18 29 30 60.6 -3.5 1.9 148.1 86 2124 00 33 31 00 35 00 PSJ1721+8842 18 29 30 58.8 -0.9 1.4 157.8 -4 2124 No stop 00 38 25 --- 18 32 55 58.8 -1.0 1.5 156.9 201 2150 00 35 01 00 39 10 J1639+8631 18 33 40 60.5 -3.6 2.0 146.9 41 2150 00 39 10 00 40 35 =1654+866 18 35 06 60.5 -3.6 2.0 146.6 85 2161 00 39 11 00 40 35 PSJ1721+8842 18 35 06 58.8 -1.0 1.5 156.3 -4 2161 No stop 00 44 00 --- 18 38 31 58.8 -1.0 1.6 155.4 201 2187 00 40 36 00 44 00 J1639+8631 18 38 31 60.5 -3.7 2.1 145.6 -4 2187 No stop 00 45 30 =1654+866 18 40 01 60.5 -3.7 2.1 145.2 86 2199 00 44 01 00 45 30 PSJ1721+8842 18 40 01 58.8 -1.0 1.6 155.0 -4 2199 No stop 00 48 55 --- 18 43 27 58.7 -1.1 1.7 154.1 201 2225 00 45 31 00 49 40 J1639+8631 18 44 12 60.5 -3.8 2.2 144.1 41 2225 00 49 40 00 51 05 =1654+866 18 45 37 60.4 -3.9 2.2 143.7 85 2236 00 49 41 00 51 05 PSJ1721+8842 18 45 37 58.7 -1.1 1.7 153.6 -4 2236 No stop 00 54 30 --- 18 49 03 58.7 -1.1 1.8 152.7 201 2263 00 51 06 Schedule for IRBENE (Code Ir ) 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 18 49 03 60.4 -4.0 2.3 142.8 -4 2263 No stop 00 56 00 =1654+866 18 50 33 60.4 -4.0 2.3 142.4 86 2274 00 54 31 00 56 00 PSJ1721+8842 18 50 33 58.7 -1.1 1.8 152.3 -4 2274 No stop 00 59 25 --- 18 53 59 58.7 -1.2 1.8 151.4 201 2301 00 56 01 01 00 10 J1639+8631 18 54 44 60.4 -4.1 2.4 141.2 41 2301 01 00 10 01 01 35 =1654+866 18 56 09 60.3 -4.1 2.4 140.8 85 2312 01 00 11 01 01 35 PSJ1721+8842 18 56 09 58.7 -1.2 1.9 150.9 -4 2312 No stop 01 05 00 --- 18 59 35 58.7 -1.2 1.9 150.0 201 2338 01 01 36 01 05 00 J1639+8631 18 59 35 60.3 -4.2 2.4 139.9 -4 2338 No stop 01 06 30 =1654+866 19 01 05 60.3 -4.3 2.5 139.5 86 2350 01 05 01 01 06 30 PSJ1721+8842 19 01 05 58.7 -1.2 2.0 149.6 -5 2350 No stop 01 09 55 --- 19 04 30 58.7 -1.3 2.0 148.7 200 2376 01 06 31 01 10 40 J1639+8631 19 05 15 60.3 -4.3 2.5 138.4 40 2376 01 10 40 01 12 05 =1654+866 19 06 41 60.2 -4.4 2.5 138.0 85 2387 01 10 41 01 12 05 PSJ1721+8842 19 06 41 58.7 -1.3 2.1 148.1 -5 2387 No stop 01 15 30 --- 19 10 06 58.7 -1.3 2.1 147.3 200 2413 01 12 06 01 15 30 J1639+8631 19 10 06 60.2 -4.5 2.6 137.1 -5 2413 No stop 01 17 00 =1654+866 19 11 37 60.2 -4.5 2.6 136.7 85 2425 01 15 31 01 17 00 PSJ1721+8842 19 11 37 58.7 -1.3 2.1 146.9 -5 2425 No stop 01 20 25 --- 19 15 02 58.7 -1.4 2.2 146.0 200 2451 01 17 01 01 21 10 J1639+8631 19 15 47 60.1 -4.6 2.7 135.6 40 2451 01 21 10 01 22 35 =1654+866 19 17 12 60.1 -4.6 2.7 135.2 85 2462 01 21 11 01 22 35 PSJ1721+8842 19 17 12 58.6 -1.4 2.2 145.4 -5 2462 No stop 01 26 00 --- 19 20 38 58.6 -1.4 2.3 144.5 200 2489 01 22 36 01 26 00 J1639+8631 19 20 38 60.1 -4.7 2.8 134.2 -5 2489 No stop 01 27 30 =1654+866 19 22 08 60.1 -4.7 2.8 133.8 85 2500 01 26 01 01 32 30 3C454.3 19 27 09 33.6 114.8 -3.5 -30.5 238 2500 01 32 30 01 37 30 --- 19 32 10 34.2 116.0 -3.4 -30.1 300 2539 01 32 31 01 42 30 J1639+8631 19 37 11 59.9 -5.0 3.1 129.8 237 2539 01 42 30 01 47 30 =1654+866 19 42 12 59.8 -5.1 3.1 128.5 300 2578 01 42 31 Schedule for IRBENE (Code Ir ) 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 19 42 12 58.6 -1.6 2.6 139.0 -5 2578 No stop 01 50 55 --- 19 45 37 58.5 -1.6 2.7 138.1 200 2604 01 47 31 01 51 40 J1639+8631 19 46 22 59.8 -5.2 3.2 127.4 40 2604 01 51 40 01 53 05 =1654+866 19 47 47 59.8 -5.2 3.2 127.0 85 2615 01 51 41 01 53 05 PSJ1721+8842 19 47 47 58.5 -1.7 2.7 137.6 -5 2615 No stop 01 56 30 --- 19 51 13 58.5 -1.7 2.8 136.7 200 2641 01 53 06 01 56 30 J1639+8631 19 51 13 59.7 -5.3 3.3 126.1 -5 2641 No stop 01 58 00 =1654+866 19 52 43 59.7 -5.3 3.3 125.7 85 2653 01 56 31 01 58 00 PSJ1721+8842 19 52 43 58.5 -1.7 2.8 136.3 -5 2653 No stop 02 01 25 --- 19 56 09 58.5 -1.7 2.9 135.4 200 2679 01 58 01 02 02 10 J1639+8631 19 56 54 59.7 -5.4 3.4 124.6 40 2679 02 02 10 02 03 35 =1654+866 19 58 19 59.6 -5.4 3.4 124.2 85 2690 02 02 11 02 03 35 PSJ1721+8842 19 58 19 58.5 -1.7 2.9 134.9 -5 2690 No stop 02 07 00 --- 20 01 45 58.5 -1.8 3.0 134.0 200 2717 02 03 36 02 07 00 J1639+8631 20 01 45 59.6 -5.5 3.5 123.3 -5 2717 No stop 02 08 30 =1654+866 20 03 15 59.6 -5.5 3.5 122.9 85 2728 02 07 01 02 08 30 PSJ1721+8842 20 03 15 58.5 -1.8 3.0 133.6 -5 2728 No stop 02 11 55 --- 20 06 41 58.5 -1.8 3.1 132.7 200 2755 02 08 31 02 12 40 J1639+8631 20 07 26 59.5 -5.6 3.6 121.8 40 2755 02 12 40 02 14 05 =1654+866 20 08 51 59.5 -5.6 3.6 121.4 85 2766 02 12 41 02 14 05 PSJ1721+8842 20 08 51 58.5 -1.8 3.1 132.2 -5 2766 No stop 02 17 30 --- 20 12 16 58.4 -1.8 3.1 131.3 200 2792 02 14 06 02 17 30 J1639+8631 20 12 16 59.5 -5.6 3.6 120.5 -5 2792 No stop 02 19 00 =1654+866 20 13 47 59.4 -5.7 3.7 120.1 85 2804 02 17 31 02 19 00 PSJ1721+8842 20 13 47 58.4 -1.9 3.2 130.9 -5 2804 No stop 02 22 25 --- 20 17 12 58.4 -1.9 3.2 130.0 200 2830 02 19 01 02 23 10 J1639+8631 20 17 57 59.4 -5.7 3.7 119.0 40 2830 02 23 10 02 24 35 =1654+866 20 19 23 59.4 -5.7 3.8 118.7 85 2841 02 23 11 02 24 35 PSJ1721+8842 20 19 23 58.4 -1.9 3.3 129.5 -5 2841 No stop 02 28 00 --- 20 22 48 58.4 -1.9 3.3 128.6 200 2868 02 24 36 Schedule for IRBENE (Code Ir ) 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 20 22 48 59.3 -5.8 3.8 117.8 -5 2868 No stop 02 29 30 =1654+866 20 24 18 59.3 -5.8 3.8 117.4 85 2879 02 28 01 02 29 30 PSJ1721+8842 20 24 18 58.4 -1.9 3.3 128.2 -5 2879 No stop 02 32 55 --- 20 27 44 58.4 -2.0 3.4 127.3 200 2906 02 29 31 02 33 40 J1639+8631 20 28 29 59.2 -5.9 3.9 116.3 40 2906 02 33 40 02 35 05 =1654+866 20 29 54 59.2 -5.9 3.9 115.9 85 2916 02 33 41 02 35 05 PSJ1721+8842 20 29 54 58.4 -2.0 3.4 126.8 -5 2916 No stop 02 38 30 --- 20 33 20 58.3 -2.0 3.5 125.9 200 2943 02 35 06 02 38 30 J1639+8631 20 33 20 59.2 -5.9 4.0 115.0 -5 2943 No stop 02 40 00 =1654+866 20 34 50 59.2 -6.0 4.0 114.6 85 2954 02 38 31 02 40 00 PSJ1721+8842 20 34 50 58.3 -2.0 3.5 125.5 -5 2954 No stop 02 43 25 --- 20 38 16 58.3 -2.0 3.6 124.6 200 2981 02 40 01 02 44 10 J1639+8631 20 39 01 59.1 -6.0 4.1 113.6 40 2981 02 44 10 02 45 35 =1654+866 20 40 26 59.1 -6.0 4.1 113.2 85 2992 02 44 11 02 45 35 PSJ1721+8842 20 40 26 58.3 -2.0 3.6 124.1 -5 2992 No stop 02 49 00 --- 20 43 52 58.3 -2.1 3.7 123.2 200 3018 02 45 36 02 49 00 J1639+8631 20 43 52 59.0 -6.1 4.2 112.3 -5 3018 No stop 02 50 30 =1654+866 20 45 22 59.0 -6.1 4.2 111.9 85 3030 02 49 01 02 50 30 PSJ1721+8842 20 45 22 58.3 -2.1 3.7 122.8 -5 3030 No stop 02 53 55 --- 20 48 47 58.3 -2.1 3.8 121.9 200 3056 02 50 31 02 54 40 J1639+8631 20 49 33 59.0 -6.1 4.3 110.8 40 3056 02 54 40 02 56 05 =1654+866 20 50 58 58.9 -6.1 4.3 110.5 85 3067 02 54 41 02 56 05 PSJ1721+8842 20 50 58 58.3 -2.1 3.8 121.4 -5 3067 No stop 02 59 30 --- 20 54 23 58.2 -2.1 3.8 120.5 200 3094 02 56 06 02 59 30 J1639+8631 20 54 23 58.9 -6.2 4.3 109.6 -5 3094 No stop 03 01 00 =1654+866 20 55 54 58.9 -6.2 4.4 109.2 85 3105 02 59 31 03 01 00 PSJ1721+8842 20 55 54 58.2 -2.1 3.9 120.1 -5 3105 No stop 03 04 25 --- 20 59 19 58.2 -2.1 3.9 119.3 200 3132 03 01 01 03 05 10 J1639+8631 21 00 04 58.8 -6.2 4.4 108.1 40 3132 03 05 10 03 06 35 =1654+866 21 01 30 58.8 -6.2 4.5 107.7 85 3143 03 05 11 Schedule for IRBENE (Code Ir ) 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 21 01 30 58.2 -2.2 4.0 118.7 -5 3143 No stop 03 10 00 --- 21 04 55 58.2 -2.2 4.0 117.8 200 3169 03 06 36 03 10 00 J1639+8631 21 04 55 58.7 -6.3 4.5 106.9 -5 3169 No stop 03 11 30 =1654+866 21 06 25 58.7 -6.3 4.5 106.5 85 3181 03 10 01 03 11 30 PSJ1721+8842 21 06 25 58.2 -2.2 4.0 117.5 -5 3181 No stop 03 14 55 --- 21 09 51 58.2 -2.2 4.1 116.6 200 3207 03 11 31 03 15 40 J1639+8631 21 10 36 58.6 -6.3 4.6 105.4 40 3207 03 15 40 03 17 05 =1654+866 21 12 01 58.6 -6.3 4.6 105.0 85 3218 03 15 41 03 17 05 PSJ1721+8842 21 12 01 58.2 -2.2 4.1 116.0 -5 3218 No stop 03 20 30 --- 21 15 27 58.1 -2.2 4.2 115.2 200 3244 03 17 06 03 20 30 J1639+8631 21 15 27 58.6 -6.4 4.7 104.2 -5 3244 No stop 03 22 00 =1654+866 21 16 57 58.6 -6.4 4.7 103.8 85 3256 03 20 31 03 22 00 PSJ1721+8842 21 16 57 58.1 -2.2 4.2 114.8 -5 3256 No stop 03 25 25 --- 21 20 23 58.1 -2.2 4.3 113.9 200 3282 03 22 01 03 26 10 J1639+8631 21 21 08 58.5 -6.4 4.8 102.7 40 3282 03 26 10 03 27 35 =1654+866 21 22 33 58.5 -6.4 4.8 102.4 85 3293 03 26 11 03 27 35 PSJ1721+8842 21 22 33 58.1 -2.3 4.3 113.4 -5 3293 No stop 03 31 00 --- 21 25 59 58.1 -2.3 4.4 112.5 200 3320 03 27 36 03 31 00 J1639+8631 21 25 59 58.4 -6.4 4.9 101.5 -5 3320 No stop 03 32 30 =1654+866 21 27 29 58.4 -6.4 4.9 101.1 85 3331 03 31 01 03 32 30 PSJ1721+8842 21 27 29 58.1 -2.3 4.4 112.1 -5 3331 No stop 03 35 55 --- 21 30 54 58.1 -2.3 4.5 111.2 200 3358 03 32 31 03 36 40 J1639+8631 21 31 39 58.3 -6.5 5.0 100.0 40 3358 03 36 40 03 38 05 =1654+866 21 33 05 58.3 -6.5 5.0 99.7 85 3369 03 36 41 03 38 05 PSJ1721+8842 21 33 05 58.0 -2.3 4.5 110.7 -5 3369 No stop 03 41 30 --- 21 36 30 58.0 -2.3 4.5 109.8 200 3395 03 38 06 03 41 30 J1639+8631 21 36 30 58.3 -6.5 5.0 98.8 -5 3395 No stop 03 43 00 =1654+866 21 38 00 58.2 -6.5 5.1 98.4 85 3407 03 41 31 03 43 00 PSJ1721+8842 21 38 00 58.0 -2.3 4.6 109.5 -5 3407 No stop 03 46 25 --- 21 41 26 58.0 -2.3 4.6 108.6 200 3433 03 43 01 Schedule for IRBENE (Code Ir ) 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 21 42 11 58.2 -6.5 5.1 97.4 40 3433 03 47 10 03 48 35 =1654+866 21 43 36 58.1 -6.5 5.2 97.0 85 3444 03 47 11 03 48 35 PSJ1721+8842 21 43 36 58.0 -2.3 4.7 108.0 -5 3444 No stop 03 52 00 --- 21 47 02 58.0 -2.4 4.7 107.2 200 3470 03 48 36 03 52 00 J1639+8631 21 47 02 58.1 -6.5 5.2 96.1 -5 3470 No stop 03 53 30 =1654+866 21 48 32 58.1 -6.5 5.2 95.8 85 3482 03 52 01 03 53 30 PSJ1721+8842 21 48 32 58.0 -2.4 4.7 106.8 -5 3482 No stop 03 56 55 --- 21 51 58 57.9 -2.4 4.8 105.9 200 3508 03 53 31 03 57 40 J1639+8631 21 52 43 58.0 -6.5 5.3 94.7 40 3508 03 57 40 03 59 05 =1654+866 21 54 08 58.0 -6.5 5.3 94.4 85 3519 03 57 41 03 59 05 PSJ1721+8842 21 54 08 57.9 -2.4 4.8 105.4 -5 3519 No stop 04 02 30 --- 21 57 34 57.9 -2.4 4.9 104.5 200 3546 03 59 06 04 02 30 J1639+8631 21 57 34 57.9 -6.5 5.4 93.5 -5 3546 No stop 04 04 00 =1654+866 21 59 04 57.9 -6.5 5.4 93.1 85 3557 04 02 31 04 04 00 PSJ1721+8842 21 59 04 57.9 -2.4 4.9 104.1 -5 3557 No stop 04 07 25 --- 22 02 29 57.9 -2.4 5.0 103.3 200 3584 04 04 01 04 08 10 J1639+8631 22 03 15 57.9 -6.6 5.5 92.1 40 3584 04 08 10 04 09 35 =1654+866 22 04 40 57.8 -6.6 5.5 91.7 85 3595 04 08 11 04 09 35 PSJ1721+8842 22 04 40 57.9 -2.4 5.0 102.7 -5 3595 No stop 04 13 00 --- 22 08 05 57.8 -2.4 5.1 101.9 200 3621 04 09 36 04 13 00 J1639+8631 22 08 05 57.8 -6.6 5.6 90.9 -5 3621 No stop 04 14 30 =1654+866 22 09 36 57.8 -6.6 5.6 90.5 85 3633 04 13 01 04 14 30 PSJ1721+8842 22 09 36 57.8 -2.4 5.1 101.5 -5 3633 No stop 04 17 55 --- 22 13 01 57.8 -2.4 5.2 100.6 200 3659 04 14 31 04 18 40 J1639+8631 22 13 46 57.7 -6.6 5.7 89.4 40 3659 04 18 40 04 20 05 =1654+866 22 15 12 57.7 -6.6 5.7 89.1 85 3670 04 18 41 04 20 05 PSJ1721+8842 22 15 12 57.8 -2.4 5.2 100.1 -5 3670 No stop 04 23 30 --- 22 18 37 57.8 -2.4 5.2 99.2 200 3696 04 20 06 04 23 30 J1639+8631 22 18 37 57.6 -6.6 5.7 88.2 -5 3696 No stop 04 25 00 =1654+866 22 20 07 57.6 -6.5 5.8 87.9 85 3708 04 23 31 Schedule for IRBENE (Code Ir ) 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 22 20 07 57.8 -2.4 5.3 98.8 -5 3708 No stop 04 28 25 --- 22 23 33 57.8 -2.4 5.3 98.0 200 3734 04 25 01 04 29 10 J1639+8631 22 24 18 57.5 -6.5 5.8 86.8 40 3734 04 29 10 04 30 35 =1654+866 22 25 43 57.5 -6.5 5.9 86.5 85 3745 04 29 11 04 30 35 PSJ1721+8842 22 25 43 57.7 -2.4 5.4 97.4 -5 3745 No stop 04 34 00 --- 22 29 09 57.7 -2.4 5.4 96.6 200 3772 04 30 36 04 34 00 J1639+8631 22 29 09 57.5 -6.5 5.9 85.6 -5 3772 No stop 04 35 30 =1654+866 22 30 39 57.4 -6.5 5.9 85.2 85 3783 04 34 01 04 35 30 PSJ1721+8842 22 30 39 57.7 -2.4 5.4 96.2 -5 3783 No stop 04 38 55 --- 22 34 05 57.7 -2.4 5.5 95.3 200 3810 04 35 31 04 39 40 J1639+8631 22 34 50 57.4 -6.5 6.0 84.2 40 3810 04 39 40 04 41 05 =1654+866 22 36 15 57.3 -6.5 6.0 83.9 85 3821 04 39 41 04 41 05 PSJ1721+8842 22 36 15 57.7 -2.5 5.5 94.8 -5 3821 No stop 04 44 30 --- 22 39 41 57.7 -2.5 5.6 93.9 200 3847 04 41 06 04 44 30 J1639+8631 22 39 41 57.3 -6.5 6.1 83.0 -5 3847 No stop 04 46 00 =1654+866 22 41 11 57.3 -6.5 6.1 82.6 85 3859 04 44 31 04 46 00 PSJ1721+8842 22 41 11 57.7 -2.5 5.6 93.5 -5 3859 No stop 04 49 25 --- 22 44 36 57.6 -2.5 5.7 92.7 200 3885 04 46 01 04 50 10 J1639+8631 22 45 22 57.2 -6.5 6.2 81.6 40 3885 04 50 10 04 51 35 =1654+866 22 46 47 57.2 -6.5 6.2 81.3 85 3896 04 50 11 04 51 35 PSJ1721+8842 22 46 47 57.6 -2.5 5.7 92.1 -5 3896 No stop 04 55 00 --- 22 50 12 57.6 -2.5 5.8 91.3 200 3923 04 51 36 04 55 00 J1639+8631 22 50 12 57.1 -6.5 6.3 80.4 -5 3923 No stop 04 56 30 =1654+866 22 51 43 57.1 -6.5 6.3 80.1 85 3934 04 55 01 04 56 30 PSJ1721+8842 22 51 43 57.6 -2.5 5.8 90.9 -5 3934 No stop 04 59 55 --- 22 55 08 57.6 -2.5 5.9 90.1 200 3961 04 56 31 05 00 40 J1639+8631 22 55 53 57.0 -6.4 6.4 79.0 40 3961 05 00 40 05 02 05 =1654+866 22 57 18 57.0 -6.4 6.4 78.7 85 3972 05 00 41 05 02 05 PSJ1721+8842 22 57 18 57.6 -2.5 5.9 89.5 -5 3972 No stop 05 05 30 --- 23 00 44 57.5 -2.5 6.0 88.7 200 3998 05 02 06 Schedule for IRBENE (Code Ir ) 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 23 00 44 57.0 -6.4 6.5 77.8 -5 3998 No stop 05 07 00 =1654+866 23 02 14 57.0 -6.4 6.5 77.5 85 4010 05 05 31 05 07 00 PSJ1721+8842 23 02 14 57.5 -2.5 6.0 88.3 -5 4010 No stop 05 10 25 --- 23 05 40 57.5 -2.5 6.0 87.4 200 4036 05 07 01 05 11 10 J1639+8631 23 06 25 56.9 -6.4 6.5 76.5 40 4036 05 11 10 05 12 35 =1654+866 23 07 50 56.9 -6.4 6.6 76.1 85 4047 05 11 11 05 12 35 PSJ1721+8842 23 07 50 57.5 -2.5 6.1 86.9 -5 4047 No stop 05 16 00 --- 23 11 16 57.5 -2.5 6.1 86.0 200 4073 05 12 36 05 16 00 J1639+8631 23 11 16 56.8 -6.3 6.6 75.3 -5 4073 No stop 05 17 30 =1654+866 23 12 46 56.8 -6.3 6.7 74.9 85 4085 05 16 01 05 17 30 PSJ1721+8842 23 12 46 57.5 -2.5 6.2 85.7 -5 4085 No stop 05 20 55 --- 23 16 12 57.5 -2.5 6.2 84.8 200 4111 05 17 31 05 21 40 J1639+8631 23 16 57 56.7 -6.3 6.7 73.9 40 4111 05 21 40 05 23 05 =1654+866 23 18 22 56.7 -6.3 6.7 73.5 85 4122 05 21 41 05 23 05 PSJ1721+8842 23 18 22 57.4 -2.4 6.2 84.3 -5 4122 No stop 05 26 30 --- 23 21 47 57.4 -2.4 6.3 83.4 200 4149 05 23 06 05 26 30 J1639+8631 23 21 47 56.7 -6.3 6.8 72.7 -5 4149 No stop 05 28 00 =1654+866 23 23 18 56.6 -6.2 6.8 72.4 85 4160 05 26 31 05 28 00 PSJ1721+8842 23 23 18 57.4 -2.4 6.3 83.0 -5 4160 No stop 05 31 25 --- 23 26 43 57.4 -2.4 6.4 82.2 200 4187 05 28 01 05 32 10 J1639+8631 23 27 28 56.6 -6.2 6.9 71.3 40 4187 05 32 10 05 33 35 =1654+866 23 28 54 56.6 -6.2 6.9 71.0 85 4198 05 32 11 05 33 35 PSJ1721+8842 23 28 54 57.4 -2.4 6.4 81.6 -5 4198 No stop 05 37 00 --- 23 32 19 57.4 -2.4 6.5 80.8 200 4224 05 33 36 05 37 00 J1639+8631 23 32 19 56.5 -6.2 7.0 70.2 -5 4224 No stop 05 38 30 =1654+866 23 33 49 56.5 -6.1 7.0 69.8 85 4236 05 37 01 05 43 30 3C84 23 38 50 51.9 90.1 -3.7 -45.8 249 4236 05 43 30 05 48 30 --- 23 43 51 52.6 91.1 -3.6 -45.8 300 4274 05 43 31 05 53 30 J1639+8631 23 48 52 56.3 -6.0 7.3 66.2 248 4274 05 53 30 05 58 30 =1654+866 23 53 53 56.2 -5.9 7.3 65.0 300 4313 05 53 31 Schedule for IRBENE (Code Ir ) 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 --- 05 58 30 PSJ1721+8842 23 53 53 57.2 -2.4 6.8 75.4 -5 4313 No stop 06 01 55 --- 23 57 18 57.2 -2.4 6.9 74.6 200 4339 05 58 31 06 02 40 J1639+8631 23 58 03 56.1 -5.9 7.4 64.0 40 4339 06 02 40 06 04 05 =1654+866 23 59 29 56.1 -5.9 7.4 63.6 85 4350 06 02 41 06 04 05 PSJ1721+8842 23 59 29 57.2 -2.4 6.9 74.1 -5 4350 No stop 06 07 30 --- 00 02 54 57.2 -2.4 7.0 73.2 200 4377 06 04 06 06 07 30 J1639+8631 00 02 54 56.1 -5.8 7.5 62.8 -5 4377 No stop 06 09 00 =1654+866 00 04 24 56.1 -5.8 7.5 62.5 85 4388 06 07 31 06 09 00 PSJ1721+8842 00 04 24 57.2 -2.4 7.0 72.8 -5 4388 No stop 06 12 25 --- 00 07 50 57.2 -2.3 7.1 72.0 200 4415 06 09 01 06 13 10 J1639+8631 00 08 35 56.0 -5.8 7.6 61.5 40 4415 06 13 10 06 14 35 =1654+866 00 10 00 56.0 -5.7 7.6 61.1 85 4426 06 13 11 06 14 35 PSJ1721+8842 00 10 00 57.2 -2.3 7.1 71.4 -5 4426 No stop 06 18 00 --- 00 13 26 57.1 -2.3 7.2 70.6 200 4452 06 14 36 06 18 00 J1639+8631 00 13 26 55.9 -5.7 7.7 60.3 -5 4452 No stop 06 19 30 =1654+866 00 14 56 55.9 -5.7 7.7 59.9 85 4464 06 18 01 06 19 30 PSJ1721+8842 00 14 56 57.1 -2.3 7.2 70.2 -5 4464 No stop 06 22 55 --- 00 18 22 57.1 -2.3 7.2 69.4 200 4490 06 19 31 06 23 40 J1639+8631 00 19 07 55.9 -5.6 7.8 59.0 40 4490 06 23 40 06 25 05 =1654+866 00 20 32 55.8 -5.6 7.8 58.6 85 4501 06 23 41 06 25 05 PSJ1721+8842 00 20 32 57.1 -2.3 7.3 68.8 -5 4501 No stop 06 28 30 --- 00 23 58 57.1 -2.3 7.3 68.0 200 4527 06 25 06 06 28 30 J1639+8631 00 23 58 55.8 -5.5 7.8 57.8 -5 4527 No stop 06 30 00 =1654+866 00 25 28 55.8 -5.5 7.9 57.4 85 4539 06 28 31 06 30 00 PSJ1721+8842 00 25 28 57.1 -2.3 7.4 67.6 -5 4539 No stop 06 33 25 --- 00 28 53 57.1 -2.3 7.4 66.8 200 4565 06 30 01 06 34 10 J1639+8631 00 29 39 55.7 -5.5 7.9 56.5 40 4565 06 34 10 06 35 35 =1654+866 00 31 04 55.7 -5.4 8.0 56.1 85 4576 06 34 11 06 35 35 PSJ1721+8842 00 31 04 57.0 -2.3 7.5 66.3 -5 4576 No stop 06 39 00 --- 00 34 29 57.0 -2.2 7.5 65.4 200 4603 06 35 36 Schedule for IRBENE (Code Ir ) Page 18 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 39 00 J1639+8631 00 34 29 55.7 -5.4 8.0 55.3 -5 4603 No stop 06 40 30 =1654+866 00 36 00 55.6 -5.4 8.0 54.9 85 4614 06 39 01 06 40 30 PSJ1721+8842 00 36 00 57.0 -2.2 7.5 65.0 -5 4614 No stop 06 43 55 --- 00 39 25 57.0 -2.2 7.6 64.2 200 4641 06 40 31 06 44 40 J1639+8631 00 40 10 55.6 -5.3 8.1 54.0 40 4641 06 44 40 06 46 05 =1654+866 00 41 36 55.6 -5.3 8.1 53.6 85 4652 06 44 41 06 46 05 PSJ1721+8842 00 41 36 57.0 -2.2 7.6 63.7 -5 4652 No stop 06 49 30 --- 00 45 01 57.0 -2.2 7.7 62.8 200 4678 06 46 06 06 49 30 J1639+8631 00 45 01 55.5 -5.2 8.2 52.8 -5 4678 No stop 06 51 00 =1654+866 00 46 31 55.5 -5.2 8.2 52.5 85 4690 06 49 31 06 51 00 PSJ1721+8842 00 46 31 57.0 -2.2 7.7 62.4 -5 4690 No stop 06 54 25 --- 00 49 57 56.9 -2.2 7.8 61.6 200 4716 06 51 01 06 55 10 J1639+8631 00 50 42 55.5 -5.1 8.3 51.5 41 4716 06 55 10 06 56 35 =1654+866 00 52 07 55.5 -5.1 8.3 51.1 85 4727 06 55 11 06 56 35 PSJ1721+8842 00 52 07 56.9 -2.2 7.8 61.1 -4 4727 No stop 07 00 00 --- 00 55 33 56.9 -2.1 7.9 60.2 201 4753 06 56 36 07 00 00 J1639+8631 00 55 33 55.4 -5.0 8.4 50.3 -4 4753 No stop 07 01 30 =1654+866 00 57 03 55.4 -5.0 8.4 50.0 86 4765 07 00 01 07 01 30 PSJ1721+8842 00 57 03 56.9 -2.1 7.9 59.9 -4 4765 No stop 07 04 55 --- 01 00 29 56.9 -2.1 7.9 59.0 201 4791 07 01 31 07 05 40 J1639+8631 01 01 14 55.3 -4.9 8.5 49.0 41 4791 07 05 40 07 07 05 =1654+866 01 02 39 55.3 -4.9 8.5 48.7 85 4802 07 05 41 07 07 05 PSJ1721+8842 01 02 39 56.9 -2.1 8.0 58.5 -4 4802 No stop 07 10 30 --- 01 06 05 56.9 -2.1 8.0 57.6 201 4829 07 07 06 07 10 30 J1639+8631 01 06 05 55.3 -4.9 8.5 47.9 -4 4829 No stop 07 12 00 =1654+866 01 07 35 55.3 -4.8 8.6 47.5 86 4840 07 10 31 07 12 00 PSJ1721+8842 01 07 35 56.9 -2.1 8.1 57.3 -4 4840 No stop 07 15 25 --- 01 11 00 56.8 -2.1 8.1 56.4 201 4867 07 12 01 07 16 10 J1639+8631 01 11 46 55.2 -4.8 8.6 46.5 41 4867 07 16 10 07 17 35 =1654+866 01 13 11 55.2 -4.7 8.7 46.2 85 4878 07 16 11 Schedule for IRBENE (Code Ir ) Page 19 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 --- 07 17 35 PSJ1721+8842 01 13 11 56.8 -2.0 8.2 55.9 -4 4878 No stop 07 21 00 --- 01 16 36 56.8 -2.0 8.2 55.1 201 4904 07 17 36 07 21 00 J1639+8631 01 16 36 55.2 -4.7 8.7 45.4 -4 4904 No stop 07 22 30 =1654+866 01 18 07 55.2 -4.6 8.7 45.0 86 4916 07 21 01 07 22 30 PSJ1721+8842 01 18 07 56.8 -2.0 8.2 54.7 -4 4916 No stop 07 25 55 --- 01 21 32 56.8 -2.0 8.3 53.9 201 4942 07 22 31 07 26 40 J1639+8631 01 22 17 55.1 -4.6 8.8 44.1 41 4942 07 26 40 07 28 05 =1654+866 01 23 42 55.1 -4.5 8.8 43.7 85 4953 07 26 41 07 28 05 PSJ1721+8842 01 23 42 56.8 -2.0 8.3 53.3 -4 4953 No stop 07 30 30 --- 01 26 08 56.8 -2.0 8.4 52.7 141 4972 07 28 06 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: 10 Station: IRBENE 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= 1350.00 1350.00 1350.00 1350.00 1350.00 1350.00 1350.00 1350.00 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 = A2 C2 A2 C2 A2 C2 A2 C2 The following frequency sets based on these setups were used. Frequency Set: 12 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= 276.49 276.49 276.49 276.49 340.49 340.49 340.49 340.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 12 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