COVER INFORMATION Station: IRBENE (Code Ir ) Experiment: Resolving a gravitationally lensed dual back-hole system at z = 2.37 Exp. Code: em153b 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 4 Jun 2021 Day 155 --- 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 18 00 00 J1639+8631 12 21 01 59.0 6.1 -4.2 -111.7 0 0 18 00 00 18 01 30 =1654+866 12 22 31 59.0 6.1 -4.2 -112.0 90 12 18 00 01 18 01 30 PSJ1721+8842 12 22 31 58.0 2.3 -4.7 -107.7 -5 12 No stop 18 04 55 --- 12 25 56 58.0 2.3 -4.6 -108.6 200 38 18 01 31 18 05 40 J1639+8631 12 26 42 59.1 6.0 -4.1 -113.1 40 38 18 05 40 18 07 05 =1654+866 12 28 07 59.1 6.0 -4.1 -113.5 85 49 18 05 41 18 07 05 PSJ1721+8842 12 28 07 58.0 2.3 -4.6 -109.1 -5 49 No stop 18 10 30 --- 12 31 32 58.0 2.3 -4.5 -110.0 200 75 18 07 06 18 10 30 J1639+8631 12 31 32 59.1 6.0 -4.0 -114.4 -5 75 No stop 18 12 00 =1654+866 12 33 03 59.2 5.9 -4.0 -114.8 85 87 18 10 31 18 12 00 PSJ1721+8842 12 33 03 58.0 2.3 -4.5 -110.4 -5 87 No stop 18 15 25 --- 12 36 28 58.1 2.3 -4.5 -111.3 200 113 18 12 01 18 16 10 J1639+8631 12 37 13 59.2 5.9 -3.9 -115.9 40 113 18 16 10 18 17 35 =1654+866 12 38 38 59.2 5.9 -3.9 -116.2 85 124 18 16 11 18 17 35 PSJ1721+8842 12 38 38 58.1 2.3 -4.4 -111.8 -5 124 No stop 18 21 00 --- 12 42 04 58.1 2.3 -4.4 -112.7 200 151 18 17 36 18 21 00 J1639+8631 12 42 04 59.3 5.8 -3.9 -117.1 -5 151 No stop 18 22 30 =1654+866 12 43 34 59.3 5.8 -3.8 -117.5 85 162 18 21 01 18 22 30 PSJ1721+8842 12 43 34 58.1 2.3 -4.3 -113.1 -5 162 No stop 18 25 55 --- 12 47 00 58.1 2.2 -4.3 -113.9 200 189 18 22 31 18 26 40 J1639+8631 12 47 45 59.4 5.8 -3.8 -118.6 40 189 18 26 40 18 28 05 =1654+866 12 49 10 59.4 5.7 -3.7 -119.0 85 200 18 26 41 18 28 05 PSJ1721+8842 12 49 10 58.1 2.2 -4.2 -114.5 -5 200 No stop 18 31 30 --- 12 52 36 58.1 2.2 -4.2 -115.4 200 226 18 28 06 18 31 30 J1639+8631 12 52 36 59.4 5.7 -3.7 -119.9 -5 226 No stop 18 33 00 =1654+866 12 54 06 59.5 5.7 -3.7 -120.3 85 238 18 31 31 18 33 00 PSJ1721+8842 12 54 06 58.1 2.2 -4.2 -115.7 -5 238 No stop 18 36 25 --- 12 57 32 58.2 2.2 -4.1 -116.6 200 264 18 33 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 4 Jun 2021 Day 155 --- 18 37 10 J1639+8631 12 58 17 59.5 5.6 -3.6 -121.4 40 264 18 37 10 18 38 35 =1654+866 12 59 42 59.5 5.6 -3.6 -121.8 85 275 18 37 11 18 38 35 PSJ1721+8842 12 59 42 58.2 2.2 -4.1 -117.2 -5 275 No stop 18 42 00 --- 13 03 07 58.2 2.2 -4.0 -118.0 200 301 18 38 36 18 42 00 J1639+8631 13 03 07 59.6 5.5 -3.5 -122.7 -5 301 No stop 18 43 30 =1654+866 13 04 38 59.6 5.5 -3.5 -123.1 85 313 18 42 01 18 43 30 PSJ1721+8842 13 04 38 58.2 2.2 -4.0 -118.4 -5 313 No stop 18 46 55 --- 13 08 03 58.2 2.1 -3.9 -119.3 200 339 18 43 31 18 47 40 J1639+8631 13 08 48 59.6 5.4 -3.4 -124.2 40 339 18 47 40 18 49 05 =1654+866 13 10 14 59.7 5.4 -3.4 -124.5 85 350 18 47 41 18 49 05 PSJ1721+8842 13 10 14 58.2 2.1 -3.9 -119.8 -5 350 No stop 18 52 30 --- 13 13 39 58.2 2.1 -3.8 -120.7 200 377 18 49 06 18 52 30 J1639+8631 13 13 39 59.7 5.3 -3.3 -125.4 -5 377 No stop 18 54 00 =1654+866 13 15 09 59.7 5.3 -3.3 -125.8 85 388 18 52 31 18 54 00 PSJ1721+8842 13 15 09 58.3 2.1 -3.8 -121.1 -5 388 No stop 18 57 25 --- 13 18 35 58.3 2.1 -3.8 -122.0 200 415 18 54 01 18 58 10 J1639+8631 13 19 20 59.8 5.2 -3.2 -126.9 40 415 18 58 10 18 59 35 =1654+866 13 20 45 59.8 5.2 -3.2 -127.3 85 426 18 58 11 18 59 35 PSJ1721+8842 13 20 45 58.3 2.1 -3.7 -122.5 -5 426 No stop 19 03 00 --- 13 24 11 58.3 2.1 -3.7 -123.4 200 452 18 59 36 19 03 00 J1639+8631 13 24 11 59.8 5.1 -3.2 -128.2 -5 452 No stop 19 04 30 =1654+866 13 25 41 59.9 5.1 -3.1 -128.6 85 464 19 03 01 19 04 30 PSJ1721+8842 13 25 41 58.3 2.0 -3.6 -123.8 -5 464 No stop 19 07 55 --- 13 29 07 58.3 2.0 -3.6 -124.6 200 490 19 04 31 19 08 40 J1639+8631 13 29 52 59.9 5.0 -3.1 -129.7 40 490 19 08 40 19 10 05 =1654+866 13 31 17 59.9 5.0 -3.0 -130.1 85 501 19 08 41 19 10 05 PSJ1721+8842 13 31 17 58.3 2.0 -3.5 -125.2 -5 501 No stop 19 13 30 --- 13 34 43 58.3 2.0 -3.5 -126.1 200 528 19 10 06 19 13 30 J1639+8631 13 34 43 60.0 4.9 -3.0 -131.0 -4 528 No stop 19 15 00 =1654+866 13 36 13 60.0 4.9 -3.0 -131.4 86 539 19 13 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 4 Jun 2021 Day 155 --- 19 15 00 PSJ1721+8842 13 36 13 58.4 2.0 -3.5 -126.5 -4 539 No stop 19 18 25 --- 13 39 38 58.4 2.0 -3.4 -127.3 201 566 19 15 01 19 19 10 J1639+8631 13 40 24 60.0 4.8 -2.9 -132.6 41 566 19 19 10 19 20 35 =1654+866 13 41 49 60.0 4.8 -2.9 -132.9 85 576 19 19 11 19 20 35 PSJ1721+8842 13 41 49 58.4 1.9 -3.4 -127.9 -4 576 No stop 19 24 00 --- 13 45 14 58.4 1.9 -3.3 -128.8 201 603 19 20 36 19 24 00 J1639+8631 13 45 14 60.1 4.7 -2.8 -133.8 -4 603 No stop 19 25 30 =1654+866 13 46 45 60.1 4.7 -2.8 -134.3 86 614 19 24 01 19 30 30 3C345 13 51 45 57.3 104.1 -2.9 -42.6 248 614 19 30 30 19 35 30 --- 13 56 46 57.9 105.4 -2.8 -42.3 300 653 19 30 31 19 40 30 J1639+8631 14 01 47 60.3 4.4 -2.5 -138.3 247 653 19 40 30 19 45 30 =1654+866 14 06 48 60.3 4.2 -2.4 -139.6 300 692 19 40 31 19 45 30 PSJ1721+8842 14 06 48 58.5 1.8 -2.9 -134.3 -4 692 No stop 19 48 55 --- 14 10 13 58.5 1.7 -2.9 -135.2 201 718 19 45 31 19 49 40 J1639+8631 14 10 59 60.3 4.1 -2.4 -140.8 41 718 19 49 40 19 51 05 =1654+866 14 12 24 60.4 4.1 -2.4 -141.2 85 729 19 49 41 19 51 05 PSJ1721+8842 14 12 24 58.5 1.7 -2.9 -135.7 -4 729 No stop 19 54 30 --- 14 15 49 58.5 1.7 -2.8 -136.6 201 756 19 51 06 19 54 30 J1639+8631 14 15 49 60.4 4.0 -2.3 -142.1 -4 756 No stop 19 56 00 =1654+866 14 17 20 60.4 4.0 -2.3 -142.5 86 767 19 54 31 19 56 00 PSJ1721+8842 14 17 20 58.5 1.7 -2.8 -137.0 -4 767 No stop 19 59 25 --- 14 20 45 58.5 1.6 -2.7 -137.9 201 794 19 56 01 20 00 10 J1639+8631 14 21 30 60.4 3.9 -2.2 -143.6 41 794 20 00 10 20 01 35 =1654+866 14 22 56 60.5 3.8 -2.2 -144.0 85 804 20 00 11 20 01 35 PSJ1721+8842 14 22 56 58.6 1.6 -2.7 -138.4 -4 804 No stop 20 05 00 --- 14 26 21 58.6 1.6 -2.6 -139.3 201 831 20 01 36 20 05 00 J1639+8631 14 26 21 60.5 3.8 -2.1 -144.9 -4 831 No stop 20 06 30 =1654+866 14 27 51 60.5 3.7 -2.1 -145.4 86 842 20 05 01 20 06 30 PSJ1721+8842 14 27 51 58.6 1.6 -2.6 -139.7 -4 842 No stop 20 09 55 --- 14 31 17 58.6 1.6 -2.5 -140.6 201 869 20 06 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 4 Jun 2021 Day 155 --- 20 10 40 J1639+8631 14 32 02 60.5 3.6 -2.0 -146.5 41 869 20 10 40 20 12 05 =1654+866 14 33 27 60.5 3.6 -2.0 -146.9 85 880 20 10 41 20 12 05 PSJ1721+8842 14 33 27 58.6 1.5 -2.5 -141.1 -4 880 No stop 20 15 30 --- 14 36 53 58.6 1.5 -2.4 -142.0 201 906 20 12 06 20 15 30 J1639+8631 14 36 53 60.6 3.5 -1.9 -147.8 -4 906 No stop 20 17 00 =1654+866 14 38 23 60.6 3.4 -1.9 -148.2 86 918 20 15 31 20 17 00 PSJ1721+8842 14 38 23 58.6 1.5 -2.4 -142.4 -4 918 No stop 20 20 25 --- 14 41 49 58.6 1.5 -2.4 -143.3 201 944 20 17 01 20 21 10 J1639+8631 14 42 34 60.6 3.3 -1.9 -149.4 41 944 20 21 10 20 22 35 =1654+866 14 43 59 60.6 3.3 -1.8 -149.7 85 955 20 21 11 20 22 35 PSJ1721+8842 14 43 59 58.6 1.5 -2.3 -143.9 -4 955 No stop 20 26 00 --- 14 47 25 58.6 1.4 -2.3 -144.7 201 982 20 22 36 20 26 00 J1639+8631 14 47 25 60.7 3.2 -1.8 -150.7 -4 982 No stop 20 27 30 =1654+866 14 48 55 60.7 3.2 -1.7 -151.1 86 993 20 26 01 20 27 30 PSJ1721+8842 14 48 55 58.6 1.4 -2.2 -145.1 -4 993 No stop 20 30 55 --- 14 52 20 58.7 1.4 -2.2 -146.0 201 1020 20 27 31 20 31 40 J1639+8631 14 53 06 60.7 3.0 -1.7 -152.2 41 1020 20 31 40 20 33 05 =1654+866 14 54 31 60.7 3.0 -1.7 -152.6 85 1031 20 31 41 20 33 05 PSJ1721+8842 14 54 31 58.7 1.4 -2.2 -146.6 -4 1031 No stop 20 36 30 --- 14 57 56 58.7 1.3 -2.1 -147.4 201 1057 20 33 06 20 36 30 J1639+8631 14 57 56 60.7 2.9 -1.6 -153.6 -4 1057 No stop 20 38 00 =1654+866 14 59 27 60.7 2.9 -1.6 -154.0 86 1069 20 36 31 20 38 00 PSJ1721+8842 14 59 27 58.7 1.3 -2.1 -147.8 -4 1069 No stop 20 41 25 --- 15 02 52 58.7 1.3 -2.0 -148.7 201 1095 20 38 01 20 42 10 J1639+8631 15 03 37 60.8 2.8 -1.5 -155.1 41 1095 20 42 10 20 43 35 =1654+866 15 05 02 60.8 2.7 -1.5 -155.5 85 1106 20 42 11 20 43 35 PSJ1721+8842 15 05 02 58.7 1.3 -2.0 -149.3 -4 1106 No stop 20 47 00 --- 15 08 28 58.7 1.2 -1.9 -150.2 201 1132 20 43 36 20 47 00 J1639+8631 15 08 28 60.8 2.6 -1.4 -156.5 -4 1132 No stop 20 48 30 =1654+866 15 09 58 60.8 2.6 -1.4 -156.9 86 1144 20 47 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 4 Jun 2021 Day 155 --- 20 48 30 PSJ1721+8842 15 09 58 58.7 1.2 -1.9 -150.6 -4 1144 No stop 20 51 55 --- 15 13 24 58.7 1.2 -1.8 -151.4 201 1170 20 48 31 20 52 40 J1639+8631 15 14 09 60.8 2.4 -1.3 -158.0 41 1170 20 52 40 20 54 05 =1654+866 15 15 34 60.8 2.4 -1.3 -158.4 85 1181 20 52 41 20 54 05 PSJ1721+8842 15 15 34 58.7 1.2 -1.8 -152.0 -4 1181 No stop 20 57 30 --- 15 19 00 58.7 1.1 -1.7 -152.9 201 1208 20 54 06 20 57 30 J1639+8631 15 19 00 60.9 2.3 -1.2 -159.3 -4 1208 No stop 20 59 00 =1654+866 15 20 30 60.9 2.3 -1.2 -159.8 86 1219 20 57 31 20 59 00 PSJ1721+8842 15 20 30 58.7 1.1 -1.7 -153.3 -4 1219 No stop 21 02 25 --- 15 23 56 58.7 1.1 -1.7 -154.2 201 1246 20 59 01 21 03 10 J1639+8631 15 24 41 60.9 2.1 -1.2 -160.9 41 1246 21 03 10 21 04 35 =1654+866 15 26 06 60.9 2.1 -1.1 -161.3 85 1257 21 03 11 21 04 35 PSJ1721+8842 15 26 06 58.8 1.1 -1.6 -154.7 -4 1257 No stop 21 08 00 --- 15 29 31 58.8 1.0 -1.6 -155.6 201 1283 21 04 36 21 08 00 J1639+8631 15 29 31 60.9 2.0 -1.1 -162.2 -4 1283 No stop 21 09 30 =1654+866 15 31 02 60.9 1.9 -1.0 -162.7 86 1295 21 08 01 21 09 30 PSJ1721+8842 15 31 02 58.8 1.0 -1.5 -156.0 -4 1295 No stop 21 12 55 --- 15 34 27 58.8 1.0 -1.5 -156.9 201 1321 21 09 31 21 13 40 J1639+8631 15 35 12 60.9 1.8 -1.0 -163.8 41 1321 21 13 40 21 15 05 =1654+866 15 36 38 60.9 1.8 -1.0 -164.2 85 1332 21 13 41 21 15 05 PSJ1721+8842 15 36 38 58.8 0.9 -1.5 -157.4 -4 1332 No stop 21 18 30 --- 15 40 03 58.8 0.9 -1.4 -158.3 201 1358 21 15 06 21 18 30 J1639+8631 15 40 03 61.0 1.7 -0.9 -165.2 -4 1358 No stop 21 20 00 =1654+866 15 41 33 61.0 1.6 -0.9 -165.6 86 1370 21 18 31 21 20 00 PSJ1721+8842 15 41 33 58.8 0.9 -1.4 -158.7 -4 1370 No stop 21 23 25 --- 15 44 59 58.8 0.9 -1.3 -159.6 201 1396 21 20 01 21 24 10 J1639+8631 15 45 44 61.0 1.5 -0.8 -166.7 41 1396 21 24 10 21 25 35 =1654+866 15 47 09 61.0 1.5 -0.8 -167.1 85 1407 21 24 11 21 25 35 PSJ1721+8842 15 47 09 58.8 0.8 -1.3 -160.2 -4 1407 No stop 21 29 00 --- 15 50 35 58.8 0.8 -1.2 -161.1 201 1434 21 25 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 4 Jun 2021 Day 155 --- 21 29 00 J1639+8631 15 50 35 61.0 1.4 -0.7 -168.1 -4 1434 No stop 21 30 30 =1654+866 15 52 05 61.0 1.3 -0.7 -168.5 86 1445 21 29 01 21 30 30 PSJ1721+8842 15 52 05 58.8 0.8 -1.2 -161.4 -4 1445 No stop 21 33 55 --- 15 55 31 58.8 0.7 -1.1 -162.3 201 1472 21 30 31 21 34 40 J1639+8631 15 56 16 61.0 1.2 -0.6 -169.6 41 1472 21 34 40 21 36 05 =1654+866 15 57 41 61.0 1.1 -0.6 -170.0 85 1483 21 34 41 21 36 05 PSJ1721+8842 15 57 41 58.8 0.7 -1.1 -162.9 -4 1483 No stop 21 39 30 --- 16 01 07 58.8 0.7 -1.0 -163.8 201 1509 21 36 06 21 39 30 J1639+8631 16 01 07 61.0 1.0 -0.5 -171.0 -4 1509 No stop 21 41 00 =1654+866 16 02 37 61.0 1.0 -0.5 -171.4 86 1521 21 39 31 21 41 00 PSJ1721+8842 16 02 37 58.8 0.7 -1.0 -164.2 -4 1521 No stop 21 44 25 --- 16 06 02 58.8 0.6 -1.0 -165.1 201 1547 21 41 01 21 45 10 J1639+8631 16 06 48 61.0 0.8 -0.4 -172.5 41 1547 21 45 10 21 46 35 =1654+866 16 08 13 61.0 0.8 -0.4 -172.9 85 1558 21 45 11 21 46 35 PSJ1721+8842 16 08 13 58.8 0.6 -0.9 -165.6 -4 1558 No stop 21 50 00 --- 16 11 38 58.8 0.6 -0.9 -166.5 201 1584 21 46 36 21 50 00 J1639+8631 16 11 38 61.0 0.7 -0.4 -173.9 -4 1584 No stop 21 51 30 =1654+866 16 13 09 61.0 0.6 -0.3 -174.3 86 1596 21 50 01 21 51 30 PSJ1721+8842 16 13 09 58.8 0.6 -0.8 -166.9 -4 1596 No stop 21 54 55 --- 16 16 34 58.8 0.5 -0.8 -167.8 201 1622 21 51 31 21 55 40 J1639+8631 16 17 19 61.1 0.5 -0.3 -175.5 41 1622 21 55 40 21 57 05 =1654+866 16 18 45 61.1 0.5 -0.2 -175.9 85 1633 21 55 41 21 57 05 PSJ1721+8842 16 18 45 58.8 0.5 -0.7 -168.3 -4 1633 No stop 22 00 30 --- 16 22 10 58.9 0.5 -0.7 -169.2 201 1660 21 57 06 22 00 30 J1639+8631 16 22 10 61.1 0.4 -0.2 -176.8 -4 1660 No stop 22 02 00 =1654+866 16 23 40 61.1 0.3 -0.2 -177.2 86 1671 22 00 31 22 02 00 PSJ1721+8842 16 23 40 58.9 0.4 -0.7 -169.6 -4 1671 No stop 22 05 25 --- 16 27 06 58.9 0.4 -0.6 -170.5 201 1698 22 02 01 22 06 10 J1639+8631 16 27 51 61.1 0.2 -0.1 -178.4 41 1698 22 06 10 22 07 35 =1654+866 16 29 16 61.1 0.1 -0.1 -178.8 85 1709 22 06 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 4 Jun 2021 Day 155 --- 22 07 35 PSJ1721+8842 16 29 16 58.9 0.4 -0.6 -171.1 -4 1709 No stop 22 11 00 --- 16 32 42 58.9 0.3 -0.5 -172.0 201 1735 22 07 36 22 11 00 J1639+8631 16 32 42 61.1 0.0 -0.0 -179.7 -4 1735 No stop 22 12 30 =1654+866 16 34 12 61.1 -0.0 0.0 179.9 86 1747 22 11 01 22 12 30 PSJ1721+8842 16 34 12 58.9 0.3 -0.5 -172.4 -4 1747 No stop 22 15 55 --- 16 37 38 58.9 0.3 -0.4 -173.2 201 1773 22 12 31 22 16 40 J1639+8631 16 38 23 61.1 -0.1 0.1 178.7 41 1773 22 16 40 22 18 05 =1654+866 16 39 48 61.1 -0.2 0.1 178.3 85 1784 22 16 41 22 18 05 PSJ1721+8842 16 39 48 58.9 0.3 -0.4 -173.8 -4 1784 No stop 22 21 30 --- 16 43 14 58.9 0.2 -0.3 -174.7 201 1811 22 18 06 22 21 30 J1639+8631 16 43 14 61.1 -0.3 0.2 177.4 -4 1811 No stop 22 23 00 =1654+866 16 44 44 61.1 -0.3 0.2 176.9 86 1822 22 21 31 22 23 00 PSJ1721+8842 16 44 44 58.9 0.2 -0.3 -175.1 -4 1822 No stop 22 26 25 --- 16 48 09 58.9 0.2 -0.3 -176.0 201 1849 22 23 01 22 27 10 J1639+8631 16 48 54 61.1 -0.5 0.3 175.8 41 1849 22 27 10 22 28 35 =1654+866 16 50 20 61.1 -0.5 0.3 175.4 85 1860 22 27 11 22 28 35 PSJ1721+8842 16 50 20 58.9 0.1 -0.2 -176.5 -4 1860 No stop 22 32 00 --- 16 53 45 58.9 0.1 -0.2 -177.4 201 1886 22 28 36 22 32 00 J1639+8631 16 53 45 61.0 -0.6 0.3 174.4 -4 1886 No stop 22 33 30 =1654+866 16 55 16 61.0 -0.7 0.4 174.0 86 1898 22 32 01 22 33 30 PSJ1721+8842 16 55 16 58.9 0.1 -0.1 -177.8 -4 1898 No stop 22 36 55 --- 16 58 41 58.9 0.1 -0.1 -178.7 201 1924 22 33 31 22 37 40 J1639+8631 16 59 26 61.0 -0.8 0.4 172.9 41 1924 22 37 40 22 39 05 =1654+866 17 00 51 61.0 -0.9 0.5 172.5 85 1935 22 37 41 22 39 05 PSJ1721+8842 17 00 51 58.9 0.0 -0.0 -179.3 -4 1935 No stop 22 42 30 --- 17 04 17 58.9 -0.0 0.0 179.8 201 1961 22 39 06 22 42 30 J1639+8631 17 04 17 61.0 -1.0 0.5 171.5 -4 1961 No stop 22 44 00 =1654+866 17 05 47 61.0 -1.0 0.5 171.1 86 1973 22 42 31 22 44 00 PSJ1721+8842 17 05 47 58.9 -0.0 0.0 179.4 -4 1973 No stop 22 47 25 --- 17 09 13 58.9 -0.1 0.1 178.6 201 1999 22 44 01 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 ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 22 48 10 J1639+8631 17 09 58 61.0 -1.1 0.6 169.9 41 1999 22 48 10 22 49 35 =1654+866 17 11 23 61.0 -1.2 0.6 169.6 85 2010 22 48 11 22 49 35 PSJ1721+8842 17 11 23 58.9 -0.1 0.1 178.0 -4 2010 No stop 22 53 00 --- 17 14 49 58.9 -0.1 0.2 177.1 201 2037 22 49 36 22 53 00 J1639+8631 17 14 49 61.0 -1.3 0.7 168.6 -4 2037 No stop 22 54 30 =1654+866 17 16 19 61.0 -1.3 0.7 168.2 86 2048 22 53 01 22 54 30 PSJ1721+8842 17 16 19 58.9 -0.1 0.2 176.7 -4 2048 No stop 22 57 55 --- 17 19 45 58.9 -0.2 0.3 175.8 201 2075 22 54 31 22 58 40 J1639+8631 17 20 30 61.0 -1.5 0.8 167.0 41 2075 22 58 40 23 00 05 =1654+866 17 21 55 61.0 -1.5 0.8 166.6 85 2086 22 58 41 23 00 05 PSJ1721+8842 17 21 55 58.9 -0.2 0.3 175.3 -4 2086 No stop 23 03 30 --- 17 25 20 58.9 -0.2 0.4 174.4 201 2112 23 00 06 23 03 30 J1639+8631 17 25 20 61.0 -1.6 0.9 165.7 -4 2112 No stop 23 05 00 =1654+866 17 26 51 61.0 -1.7 0.9 165.3 86 2124 23 03 31 23 05 00 PSJ1721+8842 17 26 51 58.9 -0.3 0.4 174.0 -4 2124 No stop 23 08 25 --- 17 30 16 58.9 -0.3 0.4 173.1 201 2150 23 05 01 23 09 10 J1639+8631 17 31 01 60.9 -1.8 1.0 164.1 41 2150 23 09 10 23 10 35 =1654+866 17 32 27 60.9 -1.8 1.0 163.7 85 2161 23 09 11 23 10 35 PSJ1721+8842 17 32 27 58.9 -0.3 0.5 172.5 -4 2161 No stop 23 14 00 --- 17 35 52 58.9 -0.4 0.5 171.6 201 2187 23 10 36 23 14 00 J1639+8631 17 35 52 60.9 -1.9 1.0 162.8 -4 2187 No stop 23 15 30 =1654+866 17 37 22 60.9 -2.0 1.1 162.4 86 2199 23 14 01 23 15 30 PSJ1721+8842 17 37 22 58.9 -0.4 0.6 171.3 -4 2199 No stop 23 18 55 --- 17 40 48 58.9 -0.4 0.6 170.4 201 2225 23 15 31 23 19 40 J1639+8631 17 41 33 60.9 -2.1 1.1 161.2 41 2225 23 19 40 23 21 05 =1654+866 17 42 58 60.9 -2.1 1.2 160.8 85 2236 23 19 41 23 21 05 PSJ1721+8842 17 42 58 58.9 -0.4 0.7 169.8 -4 2236 No stop 23 24 30 --- 17 46 24 58.8 -0.5 0.7 168.9 201 2263 23 21 06 23 24 30 J1639+8631 17 46 24 60.9 -2.2 1.2 159.9 -4 2263 No stop 23 26 00 =1654+866 17 47 54 60.9 -2.3 1.2 159.5 86 2274 23 24 31 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 ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 23 26 00 PSJ1721+8842 17 47 54 58.8 -0.5 0.7 168.5 -4 2274 No stop 23 29 25 --- 17 51 20 58.8 -0.5 0.8 167.6 201 2301 23 26 01 23 30 10 J1639+8631 17 52 05 60.8 -2.4 1.3 158.3 41 2301 23 30 10 23 31 35 =1654+866 17 53 30 60.8 -2.5 1.3 157.9 85 2312 23 30 11 23 31 35 PSJ1721+8842 17 53 30 58.8 -0.6 0.8 167.1 -4 2312 No stop 23 35 00 --- 17 56 56 58.8 -0.6 0.9 166.2 201 2338 23 31 36 23 35 00 J1639+8631 17 56 56 60.8 -2.6 1.4 157.0 -4 2338 No stop 23 36 30 =1654+866 17 58 26 60.8 -2.6 1.4 156.6 86 2350 23 35 01 23 36 30 PSJ1721+8842 17 58 26 58.8 -0.6 0.9 165.8 -4 2350 No stop 23 39 55 --- 18 01 51 58.8 -0.6 1.0 164.9 201 2376 23 36 31 23 40 40 J1639+8631 18 02 37 60.8 -2.7 1.5 155.4 41 2376 23 40 40 23 42 05 =1654+866 18 04 02 60.8 -2.8 1.5 155.0 85 2387 23 40 41 23 42 05 PSJ1721+8842 18 04 02 58.8 -0.7 1.0 164.3 -4 2387 No stop 23 45 30 --- 18 07 27 58.8 -0.7 1.1 163.5 201 2413 23 42 06 23 45 30 J1639+8631 18 07 27 60.7 -2.9 1.6 154.1 -4 2413 No stop 23 47 00 =1654+866 18 08 58 60.7 -2.9 1.6 153.7 86 2425 23 45 31 23 47 00 PSJ1721+8842 18 08 58 58.8 -0.7 1.1 163.1 -4 2425 No stop 23 50 25 --- 18 12 23 58.8 -0.8 1.1 162.2 201 2451 23 47 01 23 51 10 J1639+8631 18 13 08 60.7 -3.0 1.7 152.5 41 2451 23 51 10 23 52 35 =1654+866 18 14 34 60.7 -3.1 1.7 152.2 85 2462 23 51 11 23 52 35 PSJ1721+8842 18 14 34 58.8 -0.8 1.2 161.6 -4 2462 No stop 23 56 00 --- 18 17 59 58.8 -0.8 1.2 160.7 201 2489 23 52 36 23 56 00 J1639+8631 18 17 59 60.7 -3.1 1.7 151.2 -4 2489 No stop 23 57 30 =1654+866 18 19 29 60.7 -3.2 1.8 150.8 86 2500 23 56 01 --- Sat 5 Jun 2021 Day 156 --- 00 02 30 3C454.3 18 24 30 25.6 100.1 -4.5 -33.4 246 2500 00 02 30 00 07 30 --- 18 29 31 26.3 101.2 -4.4 -33.2 300 2539 00 02 31 00 12 30 J1639+8631 18 34 32 60.5 -3.6 2.0 146.7 245 2539 00 12 30 00 17 30 =1654+866 18 39 33 60.5 -3.7 2.1 145.3 300 2578 00 12 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 5 Jun 2021 Day 156 --- 00 17 30 PSJ1721+8842 18 39 33 58.8 -1.0 1.6 155.2 -4 2578 No stop 00 20 55 --- 18 42 58 58.7 -1.1 1.7 154.3 201 2604 00 17 31 00 21 40 J1639+8631 18 43 43 60.5 -3.8 2.2 144.2 41 2604 00 21 40 00 23 05 =1654+866 18 45 09 60.4 -3.9 2.2 143.8 85 2615 00 21 41 00 23 05 PSJ1721+8842 18 45 09 58.7 -1.1 1.7 153.7 -4 2615 No stop 00 26 30 --- 18 48 34 58.7 -1.1 1.7 152.8 201 2641 00 23 06 00 26 30 J1639+8631 18 48 34 60.4 -3.9 2.2 142.9 -4 2641 No stop 00 28 00 =1654+866 18 50 04 60.4 -4.0 2.3 142.5 86 2653 00 26 31 00 28 00 PSJ1721+8842 18 50 04 58.7 -1.1 1.8 152.4 -4 2653 No stop 00 31 25 --- 18 53 30 58.7 -1.2 1.8 151.5 201 2679 00 28 01 00 32 10 J1639+8631 18 54 15 60.4 -4.1 2.3 141.4 41 2679 00 32 10 00 33 35 =1654+866 18 55 40 60.3 -4.1 2.4 141.0 85 2690 00 32 11 00 33 35 PSJ1721+8842 18 55 40 58.7 -1.2 1.9 151.0 -4 2690 No stop 00 37 00 --- 18 59 06 58.7 -1.2 1.9 150.1 201 2717 00 33 36 00 37 00 J1639+8631 18 59 06 60.3 -4.2 2.4 140.0 -4 2717 No stop 00 38 30 =1654+866 19 00 36 60.3 -4.2 2.4 139.6 86 2728 00 37 01 00 38 30 PSJ1721+8842 19 00 36 58.7 -1.2 1.9 149.7 -5 2728 No stop 00 41 55 --- 19 04 02 58.7 -1.3 2.0 148.8 200 2755 00 38 31 00 42 40 J1639+8631 19 04 47 60.3 -4.3 2.5 138.5 40 2755 00 42 40 00 44 05 =1654+866 19 06 12 60.2 -4.4 2.5 138.1 85 2766 00 42 41 00 44 05 PSJ1721+8842 19 06 12 58.7 -1.3 2.0 148.3 -5 2766 No stop 00 47 30 --- 19 09 38 58.7 -1.3 2.1 147.4 200 2792 00 44 06 00 47 30 J1639+8631 19 09 38 60.2 -4.4 2.6 137.2 -5 2792 No stop 00 49 00 =1654+866 19 11 08 60.2 -4.5 2.6 136.8 85 2804 00 47 31 00 49 00 PSJ1721+8842 19 11 08 58.7 -1.3 2.1 147.0 -5 2804 No stop 00 52 25 --- 19 14 33 58.7 -1.4 2.2 146.1 200 2830 00 49 01 00 53 10 J1639+8631 19 15 18 60.1 -4.6 2.7 135.7 40 2830 00 53 10 00 54 35 =1654+866 19 16 44 60.1 -4.6 2.7 135.3 85 2841 00 53 11 00 54 35 PSJ1721+8842 19 16 44 58.6 -1.4 2.2 145.6 -5 2841 No stop 00 58 00 --- 19 20 09 58.6 -1.4 2.3 144.7 200 2868 00 54 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 5 Jun 2021 Day 156 --- 00 58 00 J1639+8631 19 20 09 60.1 -4.7 2.8 134.4 -5 2868 No stop 00 59 30 =1654+866 19 21 40 60.1 -4.7 2.8 134.0 85 2879 00 58 01 00 59 30 PSJ1721+8842 19 21 40 58.6 -1.4 2.3 144.3 -5 2879 No stop 01 02 55 --- 19 25 05 58.6 -1.5 2.4 143.4 200 2906 00 59 31 01 03 40 J1639+8631 19 25 50 60.0 -4.8 2.9 132.9 40 2906 01 03 40 01 05 05 =1654+866 19 27 15 60.0 -4.8 2.9 132.5 85 2916 01 03 41 01 05 05 PSJ1721+8842 19 27 15 58.6 -1.5 2.4 142.8 -5 2916 No stop 01 08 30 --- 19 30 41 58.6 -1.5 2.5 142.0 200 2943 01 05 06 01 08 30 J1639+8631 19 30 41 60.0 -4.9 3.0 131.6 -5 2943 No stop 01 10 00 =1654+866 19 32 11 60.0 -4.9 3.0 131.2 85 2954 01 08 31 01 10 00 PSJ1721+8842 19 32 11 58.6 -1.5 2.5 141.6 -5 2954 No stop 01 13 25 --- 19 35 37 58.6 -1.6 2.5 140.7 200 2981 01 10 01 01 14 10 J1639+8631 19 36 22 59.9 -5.0 3.0 130.0 40 2981 01 14 10 01 15 35 =1654+866 19 37 47 59.9 -5.0 3.1 129.7 85 2992 01 14 11 01 15 35 PSJ1721+8842 19 37 47 58.6 -1.6 2.6 140.1 -5 2992 No stop 01 19 00 --- 19 41 13 58.6 -1.6 2.6 139.2 200 3018 01 15 36 01 19 00 J1639+8631 19 41 13 59.9 -5.1 3.1 128.8 -5 3018 No stop 01 20 30 =1654+866 19 42 43 59.8 -5.1 3.2 128.4 85 3030 01 19 01 01 20 30 PSJ1721+8842 19 42 43 58.6 -1.6 2.7 138.9 -5 3030 No stop 01 23 55 --- 19 46 09 58.5 -1.6 2.7 138.0 200 3056 01 20 31 01 24 40 J1639+8631 19 46 54 59.8 -5.2 3.2 127.2 40 3056 01 24 40 01 26 05 =1654+866 19 48 19 59.8 -5.2 3.2 126.9 85 3067 01 24 41 01 26 05 PSJ1721+8842 19 48 19 58.5 -1.7 2.7 137.4 -5 3067 No stop 01 29 30 --- 19 51 44 58.5 -1.7 2.8 136.5 200 3094 01 26 06 01 29 30 J1639+8631 19 51 44 59.7 -5.3 3.3 126.0 -5 3094 No stop 01 31 00 =1654+866 19 53 15 59.7 -5.3 3.3 125.6 85 3105 01 29 31 01 31 00 PSJ1721+8842 19 53 15 58.5 -1.7 2.8 136.2 -5 3105 No stop 01 34 25 --- 19 56 40 58.5 -1.7 2.9 135.3 200 3132 01 31 01 01 35 10 J1639+8631 19 57 25 59.7 -5.4 3.4 124.5 40 3132 01 35 10 01 36 35 =1654+866 19 58 51 59.6 -5.4 3.4 124.1 85 3143 01 35 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 5 Jun 2021 Day 156 --- 01 36 35 PSJ1721+8842 19 58 51 58.5 -1.7 2.9 134.7 -5 3143 No stop 01 40 00 --- 20 02 16 58.5 -1.8 3.0 133.8 200 3169 01 36 36 01 40 00 J1639+8631 20 02 16 59.6 -5.5 3.5 123.2 -5 3169 No stop 01 41 30 =1654+866 20 03 46 59.6 -5.5 3.5 122.8 85 3181 01 40 01 01 41 30 PSJ1721+8842 20 03 46 58.5 -1.8 3.0 133.5 -5 3181 No stop 01 44 55 --- 20 07 12 58.5 -1.8 3.1 132.6 200 3207 01 41 31 01 45 40 J1639+8631 20 07 57 59.5 -5.6 3.6 121.7 40 3207 01 45 40 01 47 05 =1654+866 20 09 22 59.5 -5.6 3.6 121.3 85 3218 01 45 41 01 47 05 PSJ1721+8842 20 09 22 58.4 -1.8 3.1 132.0 -5 3218 No stop 01 50 30 --- 20 12 48 58.4 -1.9 3.2 131.1 200 3244 01 47 06 01 50 30 J1639+8631 20 12 48 59.5 -5.6 3.7 120.4 -5 3244 No stop 01 52 00 =1654+866 20 14 18 59.4 -5.7 3.7 120.0 85 3256 01 50 31 01 52 00 PSJ1721+8842 20 14 18 58.4 -1.9 3.2 130.8 -5 3256 No stop 01 55 25 --- 20 17 44 58.4 -1.9 3.2 129.9 200 3282 01 52 01 01 56 10 J1639+8631 20 18 29 59.4 -5.7 3.7 118.9 40 3282 01 56 10 01 57 35 =1654+866 20 19 54 59.4 -5.8 3.8 118.5 85 3293 01 56 11 01 57 35 PSJ1721+8842 20 19 54 58.4 -1.9 3.3 129.3 -5 3293 No stop 02 01 00 --- 20 23 20 58.4 -1.9 3.3 128.4 200 3320 01 57 36 02 01 00 J1639+8631 20 23 20 59.3 -5.8 3.8 117.6 -5 3320 No stop 02 02 30 =1654+866 20 24 50 59.3 -5.8 3.9 117.2 85 3331 02 01 01 02 02 30 PSJ1721+8842 20 24 50 58.4 -1.9 3.4 128.1 -5 3331 No stop 02 05 55 --- 20 28 15 58.4 -2.0 3.4 127.2 200 3358 02 02 31 02 06 40 J1639+8631 20 29 01 59.2 -5.9 3.9 116.2 40 3358 02 06 40 02 08 05 =1654+866 20 30 26 59.2 -5.9 3.9 115.8 85 3369 02 06 41 02 08 05 PSJ1721+8842 20 30 26 58.4 -2.0 3.4 126.6 -5 3369 No stop 02 11 30 --- 20 33 51 58.3 -2.0 3.5 125.8 200 3395 02 08 06 02 11 30 J1639+8631 20 33 51 59.2 -5.9 4.0 114.9 -5 3395 No stop 02 13 00 =1654+866 20 35 22 59.2 -6.0 4.0 114.5 85 3407 02 11 31 02 13 00 PSJ1721+8842 20 35 22 58.3 -2.0 3.5 125.4 -5 3407 No stop 02 16 25 --- 20 38 47 58.3 -2.0 3.6 124.5 200 3433 02 13 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 5 Jun 2021 Day 156 --- 02 17 10 J1639+8631 20 39 32 59.1 -6.0 4.1 113.4 40 3433 02 17 10 02 18 35 =1654+866 20 40 58 59.1 -6.0 4.1 113.0 85 3444 02 17 11 02 18 35 PSJ1721+8842 20 40 58 58.3 -2.0 3.6 123.9 -5 3444 No stop 02 22 00 --- 20 44 23 58.3 -2.1 3.7 123.1 200 3470 02 18 36 02 22 00 J1639+8631 20 44 23 59.0 -6.1 4.2 112.2 -5 3470 No stop 02 23 30 =1654+866 20 45 53 59.0 -6.1 4.2 111.8 85 3482 02 22 01 02 23 30 PSJ1721+8842 20 45 53 58.3 -2.1 3.7 122.7 -5 3482 No stop 02 26 55 --- 20 49 19 58.3 -2.1 3.8 121.8 200 3508 02 23 31 02 27 40 J1639+8631 20 50 04 58.9 -6.1 4.3 110.7 40 3508 02 27 40 02 29 05 =1654+866 20 51 29 58.9 -6.1 4.3 110.3 85 3519 02 27 41 02 29 05 PSJ1721+8842 20 51 29 58.3 -2.1 3.8 121.3 -5 3519 No stop 02 32 30 --- 20 54 55 58.2 -2.1 3.9 120.4 200 3546 02 29 06 02 32 30 J1639+8631 20 54 55 58.9 -6.2 4.4 109.4 -5 3546 No stop 02 34 00 =1654+866 20 56 25 58.9 -6.2 4.4 109.1 85 3557 02 32 31 02 34 00 PSJ1721+8842 20 56 25 58.2 -2.1 3.9 120.0 -5 3557 No stop 02 37 25 --- 20 59 51 58.2 -2.1 3.9 119.1 200 3584 02 34 01 02 38 10 J1639+8631 21 00 36 58.8 -6.2 4.4 108.0 40 3584 02 38 10 02 39 35 =1654+866 21 02 01 58.8 -6.2 4.5 107.6 85 3595 02 38 11 02 39 35 PSJ1721+8842 21 02 01 58.2 -2.2 4.0 118.6 -5 3595 No stop 02 43 00 --- 21 05 27 58.2 -2.2 4.0 117.7 200 3621 02 39 36 02 43 00 J1639+8631 21 05 27 58.7 -6.3 4.5 106.7 -5 3621 No stop 02 44 30 =1654+866 21 06 57 58.7 -6.3 4.6 106.3 85 3633 02 43 01 02 44 30 PSJ1721+8842 21 06 57 58.2 -2.2 4.1 117.3 -5 3633 No stop 02 47 55 --- 21 10 22 58.2 -2.2 4.1 116.5 200 3659 02 44 31 02 48 40 J1639+8631 21 11 07 58.6 -6.3 4.6 105.3 40 3659 02 48 40 02 50 05 =1654+866 21 12 33 58.6 -6.3 4.6 104.9 85 3670 02 48 41 02 50 05 PSJ1721+8842 21 12 33 58.1 -2.2 4.1 115.9 -5 3670 No stop 02 53 30 --- 21 15 58 58.1 -2.2 4.2 115.0 200 3696 02 50 06 02 53 30 J1639+8631 21 15 58 58.6 -6.4 4.7 104.0 -5 3696 No stop 02 55 00 =1654+866 21 17 28 58.5 -6.4 4.7 103.6 85 3708 02 53 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 5 Jun 2021 Day 156 --- 02 55 00 PSJ1721+8842 21 17 28 58.1 -2.2 4.2 114.7 -5 3708 No stop 02 58 25 --- 21 20 54 58.1 -2.3 4.3 113.8 200 3734 02 55 01 02 59 10 J1639+8631 21 21 39 58.5 -6.4 4.8 102.6 40 3734 02 59 10 03 00 35 =1654+866 21 23 04 58.5 -6.4 4.8 102.2 85 3745 02 59 11 03 00 35 PSJ1721+8842 21 23 04 58.1 -2.3 4.3 113.2 -5 3745 No stop 03 04 00 --- 21 26 30 58.1 -2.3 4.4 112.4 200 3772 03 00 36 03 04 00 J1639+8631 21 26 30 58.4 -6.4 4.9 101.3 -5 3772 No stop 03 05 30 =1654+866 21 28 00 58.4 -6.4 4.9 101.0 85 3783 03 04 01 03 05 30 PSJ1721+8842 21 28 00 58.1 -2.3 4.4 112.0 -5 3783 No stop 03 08 55 --- 21 31 26 58.0 -2.3 4.5 111.1 200 3810 03 05 31 03 09 40 J1639+8631 21 32 11 58.3 -6.5 5.0 99.9 40 3810 03 09 40 03 11 05 =1654+866 21 33 36 58.3 -6.5 5.0 99.5 85 3821 03 09 41 03 11 05 PSJ1721+8842 21 33 36 58.0 -2.3 4.5 110.6 -5 3821 No stop 03 14 30 --- 21 37 02 58.0 -2.3 4.6 109.7 200 3847 03 11 06 03 14 30 J1639+8631 21 37 02 58.2 -6.5 5.1 98.7 -5 3847 No stop 03 16 00 =1654+866 21 38 32 58.2 -6.5 5.1 98.3 85 3859 03 14 31 03 16 00 PSJ1721+8842 21 38 32 58.0 -2.3 4.6 109.3 -5 3859 No stop 03 19 25 --- 21 41 57 58.0 -2.3 4.6 108.5 200 3885 03 16 01 03 20 10 J1639+8631 21 42 43 58.2 -6.5 5.2 97.2 40 3885 03 20 10 03 21 35 =1654+866 21 44 08 58.1 -6.5 5.2 96.9 85 3896 03 20 11 03 21 35 PSJ1721+8842 21 44 08 58.0 -2.3 4.7 107.9 -5 3896 No stop 03 25 00 --- 21 47 33 58.0 -2.4 4.7 107.0 200 3923 03 21 36 03 25 00 J1639+8631 21 47 33 58.1 -6.5 5.2 96.0 -5 3923 No stop 03 26 30 =1654+866 21 49 04 58.1 -6.5 5.3 95.6 85 3934 03 25 01 03 26 30 PSJ1721+8842 21 49 04 58.0 -2.4 4.8 106.7 -5 3934 No stop 03 29 55 --- 21 52 29 57.9 -2.4 4.8 105.8 200 3961 03 26 31 03 30 40 J1639+8631 21 53 14 58.0 -6.5 5.3 94.6 40 3961 03 30 40 03 32 05 =1654+866 21 54 40 58.0 -6.5 5.3 94.2 85 3972 03 30 41 03 32 05 PSJ1721+8842 21 54 40 57.9 -2.4 4.9 105.2 -5 3972 No stop 03 35 30 --- 21 58 05 57.9 -2.4 4.9 104.4 200 3998 03 32 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 5 Jun 2021 Day 156 --- 03 35 30 J1639+8631 21 58 05 57.9 -6.5 5.4 93.4 -5 3998 No stop 03 37 00 =1654+866 21 59 35 57.9 -6.5 5.4 93.0 85 4010 03 35 31 03 37 00 PSJ1721+8842 21 59 35 57.9 -2.4 4.9 104.0 -5 4010 No stop 03 40 25 --- 22 03 01 57.9 -2.4 5.0 103.1 200 4036 03 37 01 03 41 10 J1639+8631 22 03 46 57.8 -6.5 5.5 91.9 40 4036 03 41 10 03 42 35 =1654+866 22 05 11 57.8 -6.6 5.5 91.6 85 4047 03 41 11 03 42 35 PSJ1721+8842 22 05 11 57.9 -2.4 5.0 102.6 -5 4047 No stop 03 46 00 --- 22 08 37 57.8 -2.4 5.1 101.7 200 4073 03 42 36 03 46 00 J1639+8631 22 08 37 57.8 -6.6 5.6 90.7 -5 4073 No stop 03 47 30 =1654+866 22 10 07 57.7 -6.6 5.6 90.4 85 4085 03 46 01 03 47 30 PSJ1721+8842 22 10 07 57.8 -2.4 5.1 101.3 -5 4085 No stop 03 50 55 --- 22 13 33 57.8 -2.4 5.2 100.5 200 4111 03 47 31 03 51 40 J1639+8631 22 14 18 57.7 -6.6 5.7 89.3 40 4111 03 51 40 03 53 05 =1654+866 22 15 43 57.7 -6.6 5.7 89.0 85 4122 03 51 41 03 53 05 PSJ1721+8842 22 15 43 57.8 -2.4 5.2 99.9 -5 4122 No stop 03 56 30 --- 22 19 09 57.8 -2.4 5.3 99.1 200 4149 03 53 06 03 56 30 J1639+8631 22 19 09 57.6 -6.5 5.8 88.1 -5 4149 No stop 03 58 00 =1654+866 22 20 39 57.6 -6.5 5.8 87.7 85 4160 03 56 31 03 58 00 PSJ1721+8842 22 20 39 57.8 -2.4 5.3 98.7 -5 4160 No stop 04 01 25 --- 22 24 04 57.8 -2.4 5.3 97.8 200 4187 03 58 01 04 02 10 J1639+8631 22 24 50 57.5 -6.5 5.9 86.7 40 4187 04 02 10 04 03 35 =1654+866 22 26 15 57.5 -6.5 5.9 86.3 85 4198 04 02 11 04 03 35 PSJ1721+8842 22 26 15 57.7 -2.4 5.4 97.3 -5 4198 No stop 04 07 00 --- 22 29 40 57.7 -2.4 5.4 96.4 200 4224 04 03 36 04 07 00 J1639+8631 22 29 40 57.4 -6.5 5.9 85.5 -5 4224 No stop 04 08 30 =1654+866 22 31 11 57.4 -6.5 6.0 85.1 85 4236 04 07 01 04 13 30 3C84 22 36 11 43.6 77.8 -4.7 -44.5 255 4236 04 13 30 04 18 30 --- 22 41 12 44.2 78.7 -4.7 -44.7 300 4274 04 13 31 04 23 30 J1639+8631 22 46 13 57.2 -6.5 6.2 81.4 254 4274 04 23 30 04 28 30 =1654+866 22 51 14 57.1 -6.5 6.3 80.2 300 4313 04 23 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 5 Jun 2021 Day 156 --- 04 28 30 PSJ1721+8842 22 51 14 57.6 -2.5 5.8 91.0 -5 4313 No stop 04 31 55 --- 22 54 39 57.6 -2.5 5.9 90.2 200 4339 04 28 31 04 32 40 J1639+8631 22 55 25 57.1 -6.4 6.4 79.2 40 4339 04 32 40 04 34 05 =1654+866 22 56 50 57.0 -6.4 6.4 78.8 85 4350 04 32 41 04 34 05 PSJ1721+8842 22 56 50 57.6 -2.5 5.9 89.6 -5 4350 No stop 04 37 30 --- 23 00 15 57.5 -2.5 5.9 88.8 200 4377 04 34 06 04 37 30 J1639+8631 23 00 15 57.0 -6.4 6.4 78.0 -5 4377 No stop 04 39 00 =1654+866 23 01 46 57.0 -6.4 6.5 77.6 85 4388 04 37 31 04 39 00 PSJ1721+8842 23 01 46 57.5 -2.5 6.0 88.4 -5 4388 No stop 04 42 25 --- 23 05 11 57.5 -2.5 6.0 87.5 200 4415 04 39 01 04 43 10 J1639+8631 23 05 56 56.9 -6.4 6.5 76.6 40 4415 04 43 10 04 44 35 =1654+866 23 07 21 56.9 -6.4 6.6 76.2 85 4426 04 43 11 04 44 35 PSJ1721+8842 23 07 21 57.5 -2.5 6.1 87.0 -5 4426 No stop 04 48 00 --- 23 10 47 57.5 -2.5 6.1 86.1 200 4452 04 44 36 04 48 00 J1639+8631 23 10 47 56.8 -6.3 6.6 75.4 -5 4452 No stop 04 49 30 =1654+866 23 12 17 56.8 -6.3 6.6 75.0 85 4464 04 48 01 04 49 30 PSJ1721+8842 23 12 17 57.5 -2.5 6.1 85.8 -5 4464 No stop 04 52 55 --- 23 15 43 57.5 -2.4 6.2 84.9 200 4490 04 49 31 04 53 40 J1639+8631 23 16 28 56.7 -6.3 6.7 74.0 40 4490 04 53 40 04 55 05 =1654+866 23 17 53 56.7 -6.3 6.7 73.7 85 4501 04 53 41 04 55 05 PSJ1721+8842 23 17 53 57.4 -2.4 6.2 84.4 -5 4501 No stop 04 58 30 --- 23 21 19 57.4 -2.4 6.3 83.5 200 4527 04 55 06 04 58 30 J1639+8631 23 21 19 56.7 -6.3 6.8 72.8 -5 4527 No stop 05 00 00 =1654+866 23 22 49 56.6 -6.2 6.8 72.5 85 4539 04 58 31 05 00 00 PSJ1721+8842 23 22 49 57.4 -2.4 6.3 83.2 -5 4539 No stop 05 03 25 --- 23 26 15 57.4 -2.4 6.4 82.3 200 4565 05 00 01 05 04 10 J1639+8631 23 27 00 56.6 -6.2 6.9 71.5 40 4565 05 04 10 05 05 35 =1654+866 23 28 25 56.6 -6.2 6.9 71.1 85 4576 05 04 11 05 05 35 PSJ1721+8842 23 28 25 57.4 -2.4 6.4 81.8 -5 4576 No stop 05 09 00 --- 23 31 50 57.4 -2.4 6.5 80.9 200 4603 05 05 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 5 Jun 2021 Day 156 --- 05 09 00 J1639+8631 23 31 50 56.5 -6.2 7.0 70.3 -5 4603 No stop 05 10 30 =1654+866 23 33 21 56.5 -6.2 7.0 69.9 85 4614 05 09 01 05 10 30 PSJ1721+8842 23 33 21 57.4 -2.4 6.5 80.5 -5 4614 No stop 05 13 55 --- 23 36 46 57.3 -2.4 6.6 79.7 200 4641 05 10 31 05 14 40 J1639+8631 23 37 31 56.4 -6.1 7.1 68.9 40 4641 05 14 40 05 16 05 =1654+866 23 38 57 56.4 -6.1 7.1 68.6 85 4652 05 14 41 05 16 05 PSJ1721+8842 23 38 57 57.3 -2.4 6.6 79.1 -5 4652 No stop 05 19 30 --- 23 42 22 57.3 -2.4 6.6 78.3 200 4678 05 16 06 05 19 30 J1639+8631 23 42 22 56.4 -6.1 7.1 67.7 -5 4678 No stop 05 21 00 =1654+866 23 43 52 56.3 -6.0 7.2 67.4 85 4690 05 19 31 05 21 00 PSJ1721+8842 23 43 52 57.3 -2.4 6.7 77.9 -5 4690 No stop 05 24 25 --- 23 47 18 57.3 -2.4 6.7 77.1 200 4716 05 21 01 05 25 10 J1639+8631 23 48 03 56.3 -6.0 7.2 66.4 40 4716 05 25 10 05 26 35 =1654+866 23 49 28 56.3 -6.0 7.3 66.0 85 4727 05 25 11 05 26 35 PSJ1721+8842 23 49 28 57.3 -2.4 6.8 76.5 -5 4727 No stop 05 30 00 --- 23 52 54 57.2 -2.4 6.8 75.7 200 4753 05 26 36 05 30 00 J1639+8631 23 52 54 56.2 -5.9 7.3 65.2 -5 4753 No stop 05 31 30 =1654+866 23 54 24 56.2 -5.9 7.3 64.9 85 4765 05 30 01 05 31 30 PSJ1721+8842 23 54 24 57.2 -2.4 6.8 75.3 -5 4765 No stop 05 34 55 --- 23 57 50 57.2 -2.4 6.9 74.5 200 4791 05 31 31 05 35 40 J1639+8631 23 58 35 56.1 -5.9 7.4 63.9 40 4791 05 35 40 05 37 05 =1654+866 00 00 00 56.1 -5.9 7.4 63.5 85 4802 05 35 41 05 37 05 PSJ1721+8842 00 00 00 57.2 -2.4 6.9 73.9 -5 4802 No stop 05 40 30 --- 00 03 26 57.2 -2.4 7.0 73.1 200 4829 05 37 06 05 40 30 J1639+8631 00 03 26 56.1 -5.8 7.5 62.7 -5 4829 No stop 05 42 00 =1654+866 00 04 56 56.1 -5.8 7.5 62.3 85 4840 05 40 31 05 42 00 PSJ1721+8842 00 04 56 57.2 -2.3 7.0 72.7 -5 4840 No stop 05 45 25 --- 00 08 21 57.2 -2.3 7.1 71.9 200 4867 05 42 01 05 46 10 J1639+8631 00 09 07 56.0 -5.7 7.6 61.3 40 4867 05 46 10 05 47 35 =1654+866 00 10 32 56.0 -5.7 7.6 61.0 85 4878 05 46 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 5 Jun 2021 Day 156 --- 05 47 35 PSJ1721+8842 00 10 32 57.2 -2.3 7.1 71.3 -5 4878 No stop 05 51 00 --- 00 13 57 57.1 -2.3 7.2 70.5 200 4904 05 47 36 05 51 00 J1639+8631 00 13 57 55.9 -5.7 7.7 60.2 -5 4904 No stop 05 52 30 =1654+866 00 15 28 55.9 -5.7 7.7 59.8 85 4916 05 51 01 05 52 30 PSJ1721+8842 00 15 28 57.1 -2.3 7.2 70.1 -5 4916 No stop 05 55 55 --- 00 18 53 57.1 -2.3 7.3 69.3 200 4942 05 52 31 05 56 35 J1639+8631 00 19 33 55.9 -5.6 7.8 58.8 35 4942 05 56 35 05 58 00 =1654+866 00 20 59 55.8 -5.6 7.8 58.5 85 4953 05 56 36 05 58 00 PSJ1721+8842 00 20 59 57.1 -2.3 7.3 68.7 -5 4953 No stop 06 00 00 --- 00 22 59 57.1 -2.3 7.3 68.2 115 4969 05 58 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: 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 39.358204 0.00 88 43 26.13207 * 88 42 21.42800 88 40 50.86305 0.00 From catalog imbedded in main SCHED input file. * 3C84 03 16 29.567265 * 03 19 48.160096 03 21 10.455581 1.50 J0319+4130 41 19 51.91692 * 41 30 42.10404 41 35 07.95163 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 40.945152 10.77 * J1639+8631 86 37 07.15444 * 86 31 53.13177 86 29 21.91471 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 43.280984 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 14.84933 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 00.276064 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 30.58628 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 7.151 951.186 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 3.313 413.872 3C345 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.083 12.750 3C454.3 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.083 11.639 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 68.8 3C84 27.1 J1639+8631 71.0 3C345 117.6 3C454.3 83.4 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