COVER INFORMATION Station: EFLSBERG (Code Ef ) 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 EFLSBERG (Code Ef ) 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: 116.49 116.49 116.49 116.49 180.49 180.49 180.49 180.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 19 30 00 J1639+8631 12 23 46 52.0 365.1 -4.2 -113.6 0 0 19 30 00 19 31 30 =1654+866 12 25 17 52.1 365.1 -4.1 -114.0 90 12 19 30 01 19 31 30 PSJ1721+8842 12 25 17 51.0 362.0 -4.6 -108.9 -42 12 No stop 19 34 55 --- 12 28 42 51.0 362.0 -4.6 -109.7 163 38 19 31 31 19 35 40 J1639+8631 12 29 27 52.1 365.0 -4.1 -115.0 3 38 19 35 40 19 37 05 =1654+866 12 30 53 52.1 365.0 -4.0 -115.4 85 49 19 35 41 19 37 05 PSJ1721+8842 12 30 53 51.0 361.9 -4.5 -110.3 -42 49 No stop 19 40 30 --- 12 34 18 51.0 361.9 -4.5 -111.2 163 75 19 37 06 19 40 30 J1639+8631 12 34 18 52.2 365.0 -4.0 -116.3 -42 75 No stop 19 42 00 =1654+866 12 35 48 52.2 364.9 -4.0 -116.7 48 87 19 40 31 19 42 00 PSJ1721+8842 12 35 48 51.0 361.9 -4.5 -111.5 -42 87 No stop 19 45 25 --- 12 39 14 51.0 361.9 -4.4 -112.4 163 113 19 42 01 19 46 10 J1639+8631 12 39 59 52.3 364.9 -3.9 -117.8 3 113 19 46 10 19 47 35 =1654+866 12 41 24 52.3 364.9 -3.9 -118.1 85 124 19 46 11 19 47 35 PSJ1721+8842 12 41 24 51.1 361.9 -4.4 -113.0 -42 124 No stop 19 51 00 --- 12 44 50 51.1 361.9 -4.3 -113.8 163 151 19 47 36 19 51 00 J1639+8631 12 44 50 52.3 364.8 -3.8 -119.0 -42 151 No stop 19 52 30 =1654+866 12 46 20 52.3 364.8 -3.8 -119.4 48 162 19 51 01 19 52 30 PSJ1721+8842 12 46 20 51.1 361.9 -4.3 -114.2 -41 162 No stop 19 55 55 --- 12 49 46 51.1 361.9 -4.2 -115.1 164 189 19 52 31 19 56 40 J1639+8631 12 50 31 52.4 364.8 -3.7 -120.5 4 189 19 56 40 19 58 05 =1654+866 12 51 56 52.4 364.7 -3.7 -120.8 85 200 19 56 41 19 58 05 PSJ1721+8842 12 51 56 51.1 361.9 -4.2 -115.6 -41 200 No stop 20 01 30 --- 12 55 22 51.1 361.9 -4.1 -116.5 164 226 19 58 06 20 01 30 J1639+8631 12 55 22 52.5 364.7 -3.6 -121.7 -41 226 No stop 20 03 00 =1654+866 12 56 52 52.5 364.7 -3.6 -122.1 49 238 20 01 31 20 03 00 PSJ1721+8842 12 56 52 51.1 361.9 -4.1 -116.9 -41 238 No stop 20 06 25 --- 13 00 17 51.2 361.8 -4.1 -117.7 164 264 20 03 01 Schedule for EFLSBERG (Code Ef ) 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 13 01 03 52.5 364.6 -3.5 -123.2 4 264 20 07 10 20 08 35 =1654+866 13 02 28 52.6 364.6 -3.5 -123.6 85 275 20 07 11 20 08 35 PSJ1721+8842 13 02 28 51.2 361.8 -4.0 -118.3 -41 275 No stop 20 12 00 --- 13 05 53 51.2 361.8 -4.0 -119.2 164 301 20 08 36 20 12 00 J1639+8631 13 05 53 52.6 364.6 -3.5 -124.5 -41 301 No stop 20 13 30 =1654+866 13 07 24 52.6 364.5 -3.4 -124.9 49 313 20 12 01 20 13 30 PSJ1721+8842 13 07 24 51.2 361.8 -3.9 -119.5 -41 313 No stop 20 16 55 --- 13 10 49 51.2 361.8 -3.9 -120.4 164 339 20 13 31 20 17 40 J1639+8631 13 11 34 52.7 364.5 -3.4 -126.0 5 339 20 17 40 20 19 05 =1654+866 13 12 59 52.7 364.5 -3.3 -126.3 85 350 20 17 41 20 19 05 PSJ1721+8842 13 12 59 51.2 361.8 -3.8 -121.0 -40 350 No stop 20 22 30 --- 13 16 25 51.2 361.8 -3.8 -121.8 165 377 20 19 06 20 22 30 J1639+8631 13 16 25 52.7 364.4 -3.3 -127.2 -40 377 No stop 20 24 00 =1654+866 13 17 55 52.8 364.4 -3.3 -127.6 50 388 20 22 31 20 24 00 PSJ1721+8842 13 17 55 51.2 361.8 -3.8 -122.2 -40 388 No stop 20 27 25 --- 13 21 21 51.3 361.7 -3.7 -123.1 165 415 20 24 01 20 28 10 J1639+8631 13 22 06 52.8 364.3 -3.2 -128.7 5 415 20 28 10 20 29 35 =1654+866 13 23 31 52.8 364.3 -3.2 -129.1 85 426 20 28 11 20 29 35 PSJ1721+8842 13 23 31 51.3 361.7 -3.7 -123.6 -40 426 No stop 20 33 00 --- 13 26 57 51.3 361.7 -3.6 -124.5 165 452 20 29 36 20 33 00 J1639+8631 13 26 57 52.9 364.2 -3.1 -130.0 -40 452 No stop 20 34 30 =1654+866 13 28 27 52.9 364.2 -3.1 -130.4 50 464 20 33 01 20 34 30 PSJ1721+8842 13 28 27 51.3 361.7 -3.6 -124.9 -40 464 No stop 20 37 55 --- 13 31 53 51.3 361.7 -3.5 -125.7 165 490 20 34 31 20 38 40 J1639+8631 13 32 38 52.9 364.1 -3.0 -131.5 6 490 20 38 40 20 40 05 =1654+866 13 34 03 52.9 364.1 -3.0 -131.9 85 501 20 38 41 20 40 05 PSJ1721+8842 13 34 03 51.3 361.7 -3.5 -126.3 -39 501 No stop 20 43 30 --- 13 37 28 51.3 361.7 -3.4 -127.2 166 528 20 40 06 20 43 30 J1639+8631 13 37 28 53.0 364.1 -2.9 -132.8 -39 528 No stop 20 45 00 =1654+866 13 38 59 53.0 364.0 -2.9 -133.2 51 539 20 43 31 Schedule for EFLSBERG (Code Ef ) Page 4 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 20 45 00 PSJ1721+8842 13 38 59 51.3 361.6 -3.4 -127.6 -39 539 No stop 20 48 25 --- 13 42 24 51.4 361.6 -3.4 -128.4 166 566 20 45 01 20 49 10 J1639+8631 13 43 09 53.0 364.0 -2.8 -134.3 6 566 20 49 10 20 50 35 =1654+866 13 44 35 53.1 363.9 -2.8 -134.6 85 576 20 49 11 20 50 35 PSJ1721+8842 13 44 35 51.4 361.6 -3.3 -129.0 -39 576 No stop 20 54 00 --- 13 48 00 51.4 361.6 -3.3 -129.8 166 603 20 50 36 20 54 00 J1639+8631 13 48 00 53.1 363.9 -2.8 -135.5 -38 603 No stop 20 55 30 =1654+866 13 49 30 53.1 363.8 -2.7 -135.9 52 614 20 54 01 21 00 30 3C345 13 54 31 58.8 453.6 -2.8 -55.6 46 614 21 00 30 21 05 30 --- 13 59 32 59.6 454.6 -2.7 -55.5 300 653 21 00 31 21 10 30 J1639+8631 14 04 33 53.3 363.6 -2.5 -139.9 42 653 21 10 30 21 15 30 =1654+866 14 09 34 53.3 363.5 -2.4 -141.2 300 692 21 10 31 21 15 30 PSJ1721+8842 14 09 34 51.5 361.5 -2.9 -135.3 -37 692 No stop 21 18 55 --- 14 12 59 51.5 361.4 -2.8 -136.2 168 718 21 15 31 21 19 40 J1639+8631 14 13 44 53.4 363.4 -2.3 -142.4 8 718 21 19 40 21 21 05 =1654+866 14 15 10 53.4 363.3 -2.3 -142.7 85 729 21 19 41 21 21 05 PSJ1721+8842 14 15 10 51.5 361.4 -2.8 -136.8 -37 729 No stop 21 24 30 --- 14 18 35 51.5 361.4 -2.8 -137.6 168 756 21 21 06 21 24 30 J1639+8631 14 18 35 53.4 363.3 -2.3 -143.6 -37 756 No stop 21 26 00 =1654+866 14 20 05 53.4 363.2 -2.2 -144.0 53 767 21 24 31 21 26 00 PSJ1721+8842 14 20 05 51.5 361.4 -2.7 -138.0 -37 767 No stop 21 29 25 --- 14 23 31 51.5 361.4 -2.7 -138.9 168 794 21 26 01 21 30 10 J1639+8631 14 24 16 53.5 363.2 -2.2 -145.2 8 794 21 30 10 21 31 35 =1654+866 14 25 41 53.5 363.1 -2.1 -145.5 85 804 21 30 11 21 31 35 PSJ1721+8842 14 25 41 51.5 361.3 -2.6 -139.5 -37 804 No stop 21 35 00 --- 14 29 07 51.5 361.3 -2.6 -140.3 168 831 21 31 36 21 35 00 J1639+8631 14 29 07 53.5 363.1 -2.1 -146.5 -37 831 No stop 21 36 30 =1654+866 14 30 37 53.5 363.0 -2.1 -146.9 53 842 21 35 01 21 36 30 PSJ1721+8842 14 30 37 51.6 361.3 -2.6 -140.7 -37 842 No stop 21 39 55 --- 14 34 03 51.6 361.3 -2.5 -141.6 168 869 21 36 31 Schedule for EFLSBERG (Code Ef ) Page 5 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 21 40 40 J1639+8631 14 34 48 53.5 362.9 -2.0 -148.0 8 869 21 40 40 21 42 05 =1654+866 14 36 13 53.6 362.9 -2.0 -148.3 85 880 21 40 41 21 42 05 PSJ1721+8842 14 36 13 51.6 361.3 -2.5 -142.1 -37 880 No stop 21 45 30 --- 14 39 39 51.6 361.2 -2.4 -143.0 168 906 21 42 06 21 45 30 J1639+8631 14 39 39 53.6 362.8 -1.9 -149.3 -37 906 No stop 21 47 00 =1654+866 14 41 09 53.6 362.8 -1.9 -149.7 53 918 21 45 31 21 47 00 PSJ1721+8842 14 41 09 51.6 361.2 -2.4 -143.4 -37 918 No stop 21 50 25 --- 14 44 34 51.6 361.2 -2.3 -144.3 168 944 21 47 01 21 51 10 J1639+8631 14 45 20 53.6 362.7 -1.8 -150.8 8 944 21 51 10 21 52 35 =1654+866 14 46 45 53.6 362.7 -1.8 -151.2 85 955 21 51 11 21 52 35 PSJ1721+8842 14 46 45 51.6 361.2 -2.3 -144.8 -37 955 No stop 21 56 00 --- 14 50 10 51.6 361.2 -2.2 -145.7 168 982 21 52 36 21 56 00 J1639+8631 14 50 10 53.7 362.6 -1.7 -152.1 -37 982 No stop 21 57 30 =1654+866 14 51 41 53.7 362.6 -1.7 -152.5 53 993 21 56 01 21 57 30 PSJ1721+8842 14 51 41 51.6 361.2 -2.2 -146.1 -37 993 No stop 22 00 55 --- 14 55 06 51.6 361.1 -2.1 -147.0 168 1020 21 57 31 22 01 40 J1639+8631 14 55 51 53.7 362.5 -1.6 -153.6 8 1020 22 01 40 22 03 05 =1654+866 14 57 17 53.7 362.4 -1.6 -154.0 85 1031 22 01 41 22 03 05 PSJ1721+8842 14 57 17 51.6 361.1 -2.1 -147.5 -37 1031 No stop 22 06 30 --- 15 00 42 51.7 361.1 -2.0 -148.4 168 1057 22 03 06 22 06 30 J1639+8631 15 00 42 53.7 362.3 -1.5 -154.9 -37 1057 No stop 22 08 00 =1654+866 15 02 12 53.7 362.3 -1.5 -155.3 53 1069 22 06 31 22 08 00 PSJ1721+8842 15 02 12 51.7 361.1 -2.0 -148.8 -37 1069 No stop 22 11 25 --- 15 05 38 51.7 361.0 -2.0 -149.7 168 1095 22 08 01 22 12 10 J1639+8631 15 06 23 53.8 362.2 -1.5 -156.4 7 1095 22 12 10 22 13 35 =1654+866 15 07 48 53.8 362.2 -1.4 -156.8 85 1106 22 12 11 22 13 35 PSJ1721+8842 15 07 48 51.7 361.0 -1.9 -150.2 -38 1106 No stop 22 17 00 --- 15 11 14 51.7 361.0 -1.9 -151.1 167 1132 22 13 36 22 17 00 J1639+8631 15 11 14 53.8 362.1 -1.4 -157.7 -38 1132 No stop 22 18 30 =1654+866 15 12 44 53.8 362.1 -1.3 -158.1 52 1144 22 17 01 Schedule for EFLSBERG (Code Ef ) Page 6 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 22 18 30 PSJ1721+8842 15 12 44 51.7 361.0 -1.8 -151.5 -38 1144 No stop 22 21 55 --- 15 16 10 51.7 361.0 -1.8 -152.4 167 1170 22 18 31 22 22 40 J1639+8631 15 16 55 53.8 362.0 -1.3 -159.3 7 1170 22 22 40 22 24 05 =1654+866 15 18 20 53.8 361.9 -1.3 -159.6 85 1181 22 22 41 22 24 05 PSJ1721+8842 15 18 20 51.7 360.9 -1.8 -152.9 -38 1181 No stop 22 27 30 --- 15 21 46 51.7 360.9 -1.7 -153.8 167 1208 22 24 06 22 27 30 J1639+8631 15 21 46 53.9 361.8 -1.2 -160.6 -38 1208 No stop 22 29 00 =1654+866 15 23 16 53.9 361.8 -1.2 -161.0 52 1219 22 27 31 22 29 00 PSJ1721+8842 15 23 16 51.7 360.9 -1.7 -154.2 -38 1219 No stop 22 32 25 --- 15 26 41 51.7 360.9 -1.6 -155.1 167 1246 22 29 01 22 33 10 J1639+8631 15 27 27 53.9 361.7 -1.1 -162.1 7 1246 22 33 10 22 34 35 =1654+866 15 28 52 53.9 361.7 -1.1 -162.5 85 1257 22 33 11 22 34 35 PSJ1721+8842 15 28 52 51.7 360.9 -1.6 -155.6 -38 1257 No stop 22 38 00 --- 15 32 17 51.7 360.8 -1.5 -156.5 167 1283 22 34 36 22 38 00 J1639+8631 15 32 17 53.9 361.6 -1.0 -163.4 -38 1283 No stop 22 39 30 =1654+866 15 33 48 53.9 361.5 -1.0 -163.8 52 1295 22 38 01 22 39 30 PSJ1721+8842 15 33 48 51.7 360.8 -1.5 -156.9 -38 1295 No stop 22 42 55 --- 15 37 13 51.7 360.8 -1.4 -157.8 167 1321 22 39 31 22 43 40 J1639+8631 15 37 58 53.9 361.4 -0.9 -164.9 7 1321 22 43 40 22 45 05 =1654+866 15 39 23 53.9 361.4 -0.9 -165.3 85 1332 22 43 41 22 45 05 PSJ1721+8842 15 39 23 51.8 360.8 -1.4 -158.3 -38 1332 No stop 22 48 30 --- 15 42 49 51.8 360.7 -1.3 -159.2 167 1358 22 45 06 22 48 30 J1639+8631 15 42 49 53.9 361.3 -0.8 -166.2 -38 1358 No stop 22 50 00 =1654+866 15 44 19 53.9 361.3 -0.8 -166.7 52 1370 22 48 31 22 50 00 PSJ1721+8842 15 44 19 51.8 360.7 -1.3 -159.6 -38 1370 No stop 22 53 25 --- 15 47 45 51.8 360.7 -1.3 -160.5 167 1396 22 50 01 22 54 10 J1639+8631 15 48 30 54.0 361.2 -0.8 -167.8 7 1396 22 54 10 22 55 35 =1654+866 15 49 55 54.0 361.1 -0.7 -168.2 85 1407 22 54 11 22 55 35 PSJ1721+8842 15 49 55 51.8 360.7 -1.2 -161.0 -38 1407 No stop 22 59 00 --- 15 53 21 51.8 360.6 -1.2 -161.9 167 1434 22 55 36 Schedule for EFLSBERG (Code Ef ) Page 7 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 22 59 00 J1639+8631 15 53 21 54.0 361.0 -0.7 -169.1 -38 1434 No stop 23 00 30 =1654+866 15 54 51 54.0 361.0 -0.6 -169.5 52 1445 22 59 01 23 00 30 PSJ1721+8842 15 54 51 51.8 360.6 -1.1 -162.3 -38 1445 No stop 23 03 55 --- 15 58 17 51.8 360.6 -1.1 -163.2 167 1472 23 00 31 23 04 40 J1639+8631 15 59 02 54.0 360.9 -0.6 -170.6 7 1472 23 04 40 23 06 05 =1654+866 16 00 27 54.0 360.9 -0.6 -171.0 85 1483 23 04 41 23 06 05 PSJ1721+8842 16 00 27 51.8 360.6 -1.1 -163.7 -38 1483 No stop 23 09 30 --- 16 03 52 51.8 360.6 -1.0 -164.6 167 1509 23 06 06 23 09 30 J1639+8631 16 03 52 54.0 360.8 -0.5 -171.9 -38 1509 No stop 23 11 00 =1654+866 16 05 23 54.0 360.7 -0.5 -172.3 52 1521 23 09 31 23 11 00 PSJ1721+8842 16 05 23 51.8 360.5 -1.0 -165.0 -38 1521 No stop 23 14 25 --- 16 08 48 51.8 360.5 -0.9 -165.9 167 1547 23 11 01 23 15 10 J1639+8631 16 09 33 54.0 360.6 -0.4 -173.5 7 1547 23 15 10 23 16 35 =1654+866 16 10 59 54.0 360.6 -0.4 -173.9 85 1558 23 15 11 23 16 35 PSJ1721+8842 16 10 59 51.8 360.5 -0.9 -166.5 -38 1558 No stop 23 20 00 --- 16 14 24 51.8 360.5 -0.8 -167.3 167 1584 23 16 36 23 20 00 J1639+8631 16 14 24 54.0 360.5 -0.3 -174.8 -38 1584 No stop 23 21 30 =1654+866 16 15 54 54.0 360.5 -0.3 -175.2 52 1596 23 20 01 23 21 30 PSJ1721+8842 16 15 54 51.8 360.4 -0.8 -167.7 -38 1596 No stop 23 24 55 --- 16 19 20 51.8 360.4 -0.7 -168.6 167 1622 23 21 31 23 25 40 J1639+8631 16 20 05 54.0 360.4 -0.2 -176.3 7 1622 23 25 40 23 27 05 =1654+866 16 21 30 54.0 360.3 -0.2 -176.7 85 1633 23 25 41 23 27 05 PSJ1721+8842 16 21 30 51.8 360.4 -0.7 -169.2 -38 1633 No stop 23 30 30 --- 16 24 56 51.8 360.4 -0.6 -170.0 167 1660 23 27 06 23 30 30 J1639+8631 16 24 56 54.0 360.2 -0.1 -177.6 -38 1660 No stop 23 32 00 =1654+866 16 26 26 54.0 360.2 -0.1 -178.0 52 1671 23 30 31 23 32 00 PSJ1721+8842 16 26 26 51.8 360.3 -0.6 -170.4 -38 1671 No stop 23 35 25 --- 16 29 52 51.8 360.3 -0.6 -171.3 167 1698 23 32 01 23 36 10 J1639+8631 16 30 37 54.0 360.1 -0.1 -179.2 7 1698 23 36 10 23 37 35 =1654+866 16 32 02 54.0 360.0 -0.0 -179.6 85 1709 23 36 11 Schedule for EFLSBERG (Code Ef ) Page 8 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 23 37 35 PSJ1721+8842 16 32 02 51.8 360.3 -0.5 -171.9 -38 1709 No stop 23 41 00 --- 16 35 28 51.8 360.3 -0.5 -172.7 167 1735 23 37 36 23 41 00 J1639+8631 16 35 28 54.0 360.0 0.0 179.5 -38 1735 No stop 23 42 30 =1654+866 16 36 58 54.0 359.9 0.1 179.1 52 1747 23 41 01 23 42 30 PSJ1721+8842 16 36 58 51.8 360.2 -0.4 -173.1 -38 1747 No stop 23 45 55 --- 16 40 23 51.8 360.2 -0.4 -174.0 167 1773 23 42 31 23 46 40 J1639+8631 16 41 09 54.0 359.8 0.1 178.0 7 1773 23 46 40 23 48 05 =1654+866 16 42 34 54.0 359.8 0.1 177.6 85 1784 23 46 41 23 48 05 PSJ1721+8842 16 42 34 51.8 360.2 -0.4 -174.6 -38 1784 No stop 23 51 30 --- 16 45 59 51.8 360.2 -0.3 -175.5 167 1811 23 48 06 23 51 30 J1639+8631 16 45 59 54.0 359.7 0.2 176.7 -38 1811 No stop 23 53 00 =1654+866 16 47 30 54.0 359.6 0.2 176.3 52 1822 23 51 31 23 53 00 PSJ1721+8842 16 47 30 51.8 360.2 -0.3 -175.8 -38 1822 No stop 23 56 25 --- 16 50 55 51.8 360.1 -0.2 -176.7 167 1849 23 53 01 23 57 10 J1639+8631 16 51 40 54.0 359.5 0.3 175.1 7 1849 23 57 10 23 58 35 =1654+866 16 53 06 54.0 359.5 0.3 174.7 85 1860 23 57 11 --- Start: Fri 28 May 2021 Day 148 -- Stop: Sat 29 May 2021 Day 149 --- 23 58 35 PSJ1721+8842 16 53 06 51.8 360.1 -0.2 -177.3 -38 1860 No stop 00 02 00 --- 16 56 31 51.8 360.1 -0.1 -178.2 167 1886 23 58 36 00 02 00 J1639+8631 16 56 31 54.0 359.4 0.4 173.8 -38 1886 No stop 00 03 30 =1654+866 16 58 01 54.0 359.4 0.4 173.4 52 1898 00 02 01 00 03 30 PSJ1721+8842 16 58 01 51.8 360.1 -0.1 -178.5 -38 1898 No stop 00 06 55 --- 17 01 27 51.8 360.0 -0.0 -179.4 167 1924 00 03 31 00 07 40 J1639+8631 17 02 12 54.0 359.3 0.5 172.3 7 1924 00 07 40 00 09 05 =1654+866 17 03 37 54.0 359.2 0.5 171.9 85 1935 00 07 41 00 09 05 PSJ1721+8842 17 03 37 51.8 360.0 -0.0 -180.0 -38 1935 No stop 00 12 30 --- 17 07 03 51.8 360.0 0.1 179.1 167 1961 00 09 06 00 12 30 J1639+8631 17 07 03 54.0 359.1 0.6 171.0 -38 1961 No stop 00 14 00 =1654+866 17 08 33 54.0 359.1 0.6 170.6 52 1973 00 12 31 Schedule for EFLSBERG (Code Ef ) Page 9 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 00 14 00 PSJ1721+8842 17 08 33 51.8 360.0 0.1 178.7 -38 1973 No stop 00 17 25 --- 17 11 59 51.8 359.9 0.1 177.9 167 1999 00 14 01 00 18 10 J1639+8631 17 12 44 54.0 359.0 0.7 169.4 7 1999 00 18 10 00 19 35 =1654+866 17 14 09 54.0 359.0 0.7 169.1 85 2010 00 18 11 00 19 35 PSJ1721+8842 17 14 09 51.8 359.9 0.2 177.3 -38 2010 No stop 00 23 00 --- 17 17 35 51.8 359.9 0.2 176.4 167 2037 00 19 36 00 23 00 J1639+8631 17 17 35 54.0 358.9 0.7 168.1 -38 2037 No stop 00 24 30 =1654+866 17 19 05 54.0 358.8 0.8 167.7 52 2048 00 23 01 00 24 30 PSJ1721+8842 17 19 05 51.8 359.9 0.3 176.0 -38 2048 No stop 00 27 55 --- 17 22 30 51.8 359.8 0.3 175.2 167 2075 00 24 31 00 28 40 J1639+8631 17 23 15 53.9 358.7 0.8 166.6 7 2075 00 28 40 00 30 05 =1654+866 17 24 41 53.9 358.7 0.8 166.2 85 2086 00 28 41 00 30 05 PSJ1721+8842 17 24 41 51.8 359.8 0.4 174.6 -38 2086 No stop 00 33 30 --- 17 28 06 51.8 359.8 0.4 173.7 167 2112 00 30 06 00 33 30 J1639+8631 17 28 06 53.9 358.6 0.9 165.3 -38 2112 No stop 00 35 00 =1654+866 17 29 37 53.9 358.6 0.9 164.9 52 2124 00 33 31 00 35 00 PSJ1721+8842 17 29 37 51.8 359.8 0.4 173.3 -38 2124 No stop 00 38 25 --- 17 33 02 51.8 359.7 0.5 172.4 167 2150 00 35 01 00 39 10 J1639+8631 17 33 47 53.9 358.5 1.0 163.8 8 2150 00 39 10 00 40 35 =1654+866 17 35 12 53.9 358.4 1.0 163.4 85 2161 00 39 11 00 40 35 PSJ1721+8842 17 35 12 51.8 359.7 0.5 171.9 -37 2161 No stop 00 44 00 --- 17 38 38 51.8 359.7 0.6 171.0 168 2187 00 40 36 00 44 00 J1639+8631 17 38 38 53.9 358.3 1.1 162.4 -37 2187 No stop 00 45 30 =1654+866 17 40 08 53.9 358.3 1.1 162.0 53 2199 00 44 01 00 45 30 PSJ1721+8842 17 40 08 51.8 359.7 0.6 170.6 -37 2199 No stop 00 48 55 --- 17 43 34 51.8 359.6 0.7 169.7 168 2225 00 45 31 00 49 40 J1639+8631 17 44 19 53.9 358.2 1.2 160.9 8 2225 00 49 40 00 51 05 =1654+866 17 45 44 53.9 358.2 1.2 160.5 85 2236 00 49 41 00 51 05 PSJ1721+8842 17 45 44 51.8 359.6 0.7 169.2 -37 2236 No stop 00 54 30 --- 17 49 10 51.8 359.6 0.8 168.3 168 2263 00 51 06 Schedule for EFLSBERG (Code Ef ) Page 10 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 00 54 30 J1639+8631 17 49 10 53.8 358.1 1.3 159.6 -37 2263 No stop 00 56 00 =1654+866 17 50 40 53.8 358.0 1.3 159.2 53 2274 00 54 31 00 56 00 PSJ1721+8842 17 50 40 51.8 359.6 0.8 167.9 -37 2274 No stop 00 59 25 --- 17 54 06 51.8 359.5 0.8 167.0 168 2301 00 56 01 01 00 10 J1639+8631 17 54 51 53.8 357.9 1.4 158.1 8 2301 01 00 10 01 01 35 =1654+866 17 56 16 53.8 357.9 1.4 157.7 85 2312 01 00 11 01 01 35 PSJ1721+8842 17 56 16 51.8 359.5 0.9 166.5 -37 2312 No stop 01 05 00 --- 17 59 41 51.8 359.5 0.9 165.6 168 2338 01 01 36 01 05 00 J1639+8631 17 59 41 53.8 357.8 1.4 156.8 -37 2338 No stop 01 06 30 =1654+866 18 01 12 53.8 357.8 1.5 156.4 53 2350 01 05 01 01 06 30 PSJ1721+8842 18 01 12 51.8 359.5 1.0 165.2 -37 2350 No stop 01 09 55 --- 18 04 37 51.8 359.4 1.0 164.3 168 2376 01 06 31 01 10 40 J1639+8631 18 05 22 53.7 357.7 1.5 155.3 8 2376 01 10 40 01 12 05 =1654+866 18 06 48 53.7 357.7 1.6 154.9 85 2387 01 10 41 01 12 05 PSJ1721+8842 18 06 48 51.8 359.4 1.1 163.8 -37 2387 No stop 01 15 30 --- 18 10 13 51.8 359.4 1.1 162.9 168 2413 01 12 06 01 15 30 J1639+8631 18 10 13 53.7 357.6 1.6 154.0 -37 2413 No stop 01 17 00 =1654+866 18 11 43 53.7 357.5 1.6 153.5 53 2425 01 15 31 01 17 00 PSJ1721+8842 18 11 43 51.8 359.4 1.1 162.5 -37 2425 No stop 01 20 25 --- 18 15 09 51.8 359.3 1.2 161.6 168 2451 01 17 01 01 21 10 J1639+8631 18 15 54 53.7 357.4 1.7 152.4 8 2451 01 21 10 01 22 35 =1654+866 18 17 19 53.7 357.4 1.7 152.0 85 2462 01 21 11 01 22 35 PSJ1721+8842 18 17 19 51.8 359.3 1.2 161.1 -37 2462 No stop 01 26 00 --- 18 20 45 51.8 359.3 1.3 160.2 168 2489 01 22 36 01 26 00 J1639+8631 18 20 45 53.6 357.3 1.8 151.1 -37 2489 No stop 01 27 30 =1654+866 18 22 15 53.6 357.3 1.8 150.7 53 2500 01 26 01 01 32 30 3C454.3 18 27 16 27.1 457.2 -4.5 -41.1 21 2500 01 32 30 01 37 30 --- 18 32 17 27.9 458.3 -4.4 -40.9 300 2539 01 32 31 01 42 30 J1639+8631 18 37 18 53.5 357.0 2.1 146.7 18 2539 01 42 30 01 47 30 =1654+866 18 42 18 53.5 356.9 2.1 145.4 300 2578 01 42 31 Schedule for EFLSBERG (Code Ef ) Page 11 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 01 47 30 PSJ1721+8842 18 42 18 51.7 359.1 1.6 154.6 -38 2578 No stop 01 50 55 --- 18 45 44 51.7 359.1 1.7 153.8 167 2604 01 47 31 01 51 40 J1639+8631 18 46 29 53.4 356.8 2.2 144.3 6 2604 01 51 40 01 53 05 =1654+866 18 47 54 53.4 356.7 2.2 143.9 85 2615 01 51 41 01 53 05 PSJ1721+8842 18 47 54 51.7 359.1 1.7 153.2 -39 2615 No stop 01 56 30 --- 18 51 20 51.7 359.0 1.8 152.3 166 2641 01 53 06 01 56 30 J1639+8631 18 51 20 53.4 356.7 2.3 143.0 -39 2641 No stop 01 58 00 =1654+866 18 52 50 53.4 356.6 2.3 142.6 51 2653 01 56 31 01 58 00 PSJ1721+8842 18 52 50 51.7 359.0 1.8 151.9 -39 2653 No stop 02 01 25 --- 18 56 16 51.7 359.0 1.9 151.1 166 2679 01 58 01 02 02 10 J1639+8631 18 57 01 53.3 356.6 2.4 141.5 6 2679 02 02 10 02 03 35 =1654+866 18 58 26 53.3 356.5 2.4 141.1 85 2690 02 02 11 02 03 35 PSJ1721+8842 18 58 26 51.7 359.0 1.9 150.5 -39 2690 No stop 02 07 00 --- 19 01 52 51.7 359.0 2.0 149.6 166 2717 02 03 36 02 07 00 J1639+8631 19 01 52 53.3 356.5 2.5 140.2 -40 2717 No stop 02 08 30 =1654+866 19 03 22 53.3 356.4 2.5 139.8 50 2728 02 07 01 02 08 30 PSJ1721+8842 19 03 22 51.7 358.9 2.0 149.2 -40 2728 No stop 02 11 55 --- 19 06 47 51.7 358.9 2.1 148.4 165 2755 02 08 31 02 12 40 J1639+8631 19 07 33 53.2 356.4 2.6 138.7 5 2755 02 12 40 02 14 05 =1654+866 19 08 58 53.2 356.3 2.6 138.3 85 2766 02 12 41 02 14 05 PSJ1721+8842 19 08 58 51.6 358.9 2.1 147.8 -40 2766 No stop 02 17 30 --- 19 12 23 51.6 358.9 2.1 146.9 165 2792 02 14 06 02 17 30 J1639+8631 19 12 23 53.2 356.3 2.6 137.4 -40 2792 No stop 02 19 00 =1654+866 19 13 54 53.2 356.2 2.7 137.0 50 2804 02 17 31 02 19 00 PSJ1721+8842 19 13 54 51.6 358.9 2.2 146.6 -40 2804 No stop 02 22 25 --- 19 17 19 51.6 358.8 2.2 145.7 165 2830 02 19 01 02 23 10 J1639+8631 19 18 04 53.1 356.2 2.7 135.9 5 2830 02 23 10 02 24 35 =1654+866 19 19 30 53.1 356.1 2.8 135.5 85 2841 02 23 11 02 24 35 PSJ1721+8842 19 19 30 51.6 358.8 2.3 145.1 -40 2841 No stop 02 28 00 --- 19 22 55 51.6 358.8 2.3 144.2 165 2868 02 24 36 Schedule for EFLSBERG (Code Ef ) Page 12 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 02 28 00 J1639+8631 19 22 55 53.1 356.1 2.8 134.6 -41 2868 No stop 02 29 30 =1654+866 19 24 25 53.0 356.0 2.8 134.2 49 2879 02 28 01 02 29 30 PSJ1721+8842 19 24 25 51.6 358.8 2.3 143.9 -41 2879 No stop 02 32 55 --- 19 27 51 51.6 358.8 2.4 143.0 164 2906 02 29 31 02 33 40 J1639+8631 19 28 36 53.0 356.0 2.9 133.1 4 2906 02 33 40 02 35 05 =1654+866 19 30 01 53.0 355.9 2.9 132.7 85 2916 02 33 41 02 35 05 PSJ1721+8842 19 30 01 51.6 358.7 2.4 142.4 -41 2916 No stop 02 38 30 --- 19 33 27 51.6 358.7 2.5 141.5 164 2943 02 35 06 02 38 30 J1639+8631 19 33 27 52.9 355.9 3.0 131.8 -41 2943 No stop 02 40 00 =1654+866 19 34 57 52.9 355.9 3.0 131.4 49 2954 02 38 31 02 40 00 PSJ1721+8842 19 34 57 51.6 358.7 2.5 141.2 -41 2954 No stop 02 43 25 --- 19 38 23 51.5 358.7 2.6 140.3 164 2981 02 40 01 02 44 10 J1639+8631 19 39 08 52.9 355.8 3.1 130.3 4 2981 02 44 10 02 45 35 =1654+866 19 40 33 52.9 355.8 3.1 130.0 85 2992 02 44 11 02 45 35 PSJ1721+8842 19 40 33 51.5 358.7 2.6 139.7 -41 2992 No stop 02 49 00 --- 19 43 59 51.5 358.6 2.7 138.9 164 3018 02 45 36 02 49 00 J1639+8631 19 43 59 52.8 355.7 3.2 129.1 -42 3018 No stop 02 50 30 =1654+866 19 45 29 52.8 355.7 3.2 128.7 48 3030 02 49 01 02 50 30 PSJ1721+8842 19 45 29 51.5 358.6 2.7 138.5 -42 3030 No stop 02 53 55 --- 19 48 54 51.5 358.6 2.8 137.6 163 3056 02 50 31 02 54 40 J1639+8631 19 49 39 52.7 355.6 3.3 127.6 3 3056 02 54 40 02 56 05 =1654+866 19 51 05 52.7 355.6 3.3 127.2 85 3067 02 54 41 02 56 05 PSJ1721+8842 19 51 05 51.5 358.6 2.8 137.0 -42 3067 No stop 02 59 30 --- 19 54 30 51.5 358.6 2.8 136.2 163 3094 02 56 06 02 59 30 J1639+8631 19 54 30 52.7 355.5 3.3 126.3 -42 3094 No stop 03 01 00 =1654+866 19 56 00 52.7 355.5 3.4 125.9 48 3105 02 59 31 03 01 00 PSJ1721+8842 19 56 00 51.5 358.6 2.9 135.8 -42 3105 No stop 03 04 25 --- 19 59 26 51.5 358.5 2.9 134.9 163 3132 03 01 01 03 05 10 J1639+8631 20 00 11 52.6 355.5 3.4 124.8 3 3132 03 05 10 03 06 35 =1654+866 20 01 36 52.6 355.4 3.5 124.5 85 3143 03 05 11 Schedule for EFLSBERG (Code Ef ) Page 13 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 03 06 35 PSJ1721+8842 20 01 36 51.5 358.5 3.0 134.4 -42 3143 No stop 03 10 00 --- 20 05 02 51.4 358.5 3.0 133.5 163 3169 03 06 36 03 10 00 J1639+8631 20 05 02 52.6 355.4 3.5 123.6 -42 3169 No stop 03 11 30 =1654+866 20 06 32 52.5 355.4 3.5 123.2 48 3181 03 10 01 03 11 30 PSJ1721+8842 20 06 32 51.4 358.5 3.0 133.1 -42 3181 No stop 03 14 55 --- 20 09 58 51.4 358.5 3.1 132.2 163 3207 03 11 31 03 15 40 J1639+8631 20 10 43 52.5 355.3 3.6 122.1 3 3207 03 15 40 03 17 05 =1654+866 20 12 08 52.5 355.3 3.6 121.7 85 3218 03 15 41 03 17 05 PSJ1721+8842 20 12 08 51.4 358.4 3.1 131.7 -42 3218 No stop 03 20 30 --- 20 15 34 51.4 358.4 3.2 130.8 163 3244 03 17 06 03 20 30 J1639+8631 20 15 34 52.4 355.3 3.7 120.8 -43 3244 No stop 03 22 00 =1654+866 20 17 04 52.4 355.2 3.7 120.4 47 3256 03 20 31 03 22 00 PSJ1721+8842 20 17 04 51.4 358.4 3.2 130.4 -43 3256 No stop 03 25 25 --- 20 20 30 51.4 358.4 3.3 129.5 162 3282 03 22 01 03 26 10 J1639+8631 20 21 15 52.3 355.2 3.8 119.3 2 3282 03 26 10 03 27 35 =1654+866 20 22 40 52.3 355.2 3.8 119.0 85 3293 03 26 11 03 27 35 PSJ1721+8842 20 22 40 51.4 358.4 3.3 129.0 -43 3293 No stop 03 31 00 --- 20 26 05 51.4 358.4 3.4 128.1 162 3320 03 27 36 03 31 00 J1639+8631 20 26 05 52.3 355.1 3.9 118.1 -43 3320 No stop 03 32 30 =1654+866 20 27 36 52.3 355.1 3.9 117.7 47 3331 03 31 01 03 32 30 PSJ1721+8842 20 27 36 51.3 358.4 3.4 127.7 -43 3331 No stop 03 35 55 --- 20 31 01 51.3 358.3 3.5 126.9 162 3358 03 32 31 03 36 40 J1639+8631 20 31 46 52.2 355.1 4.0 116.6 2 3358 03 36 40 03 38 05 =1654+866 20 33 12 52.2 355.0 4.0 116.3 85 3369 03 36 41 03 38 05 PSJ1721+8842 20 33 12 51.3 358.3 3.5 126.3 -43 3369 No stop 03 41 30 --- 20 36 37 51.3 358.3 3.5 125.4 162 3395 03 38 06 03 41 30 J1639+8631 20 36 37 52.1 355.0 4.0 115.4 -43 3395 No stop 03 43 00 =1654+866 20 38 07 52.1 355.0 4.1 115.0 47 3407 03 41 31 03 43 00 PSJ1721+8842 20 38 07 51.3 358.3 3.6 125.1 -43 3407 No stop 03 46 25 --- 20 41 33 51.3 358.3 3.6 124.2 162 3433 03 43 01 Schedule for EFLSBERG (Code Ef ) Page 14 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 03 47 10 J1639+8631 20 42 18 52.1 354.9 4.1 113.9 2 3433 03 47 10 03 48 35 =1654+866 20 43 43 52.0 354.9 4.2 113.5 85 3444 03 47 11 03 48 35 PSJ1721+8842 20 43 43 51.3 358.3 3.7 123.6 -43 3444 No stop 03 52 00 --- 20 47 09 51.3 358.3 3.7 122.8 162 3470 03 48 36 03 52 00 J1639+8631 20 47 09 52.0 354.9 4.2 112.7 -43 3470 No stop 03 53 30 =1654+866 20 48 39 52.0 354.9 4.2 112.3 47 3482 03 52 01 03 53 30 PSJ1721+8842 20 48 39 51.2 358.2 3.7 122.4 -43 3482 No stop 03 56 55 --- 20 52 05 51.2 358.2 3.8 121.5 162 3508 03 53 31 03 57 40 J1639+8631 20 52 50 51.9 354.8 4.3 111.2 2 3508 03 57 40 03 59 05 =1654+866 20 54 15 51.9 354.8 4.3 110.8 85 3519 03 57 41 03 59 05 PSJ1721+8842 20 54 15 51.2 358.2 3.8 121.0 -43 3519 No stop 04 02 30 --- 20 57 41 51.2 358.2 3.9 120.1 162 3546 03 59 06 04 02 30 J1639+8631 20 57 41 51.8 354.8 4.4 110.0 -43 3546 No stop 04 04 00 =1654+866 20 59 11 51.8 354.8 4.4 109.6 47 3557 04 02 31 04 04 00 PSJ1721+8842 20 59 11 51.2 358.2 3.9 119.7 -43 3557 No stop 04 07 25 --- 21 02 36 51.2 358.2 4.0 118.9 162 3584 04 04 01 04 08 10 J1639+8631 21 03 22 51.8 354.8 4.5 108.5 1 3584 04 08 10 04 09 35 =1654+866 21 04 47 51.7 354.7 4.5 108.1 85 3595 04 08 11 04 09 35 PSJ1721+8842 21 04 47 51.2 358.2 4.0 118.3 -44 3595 No stop 04 13 00 --- 21 08 12 51.1 358.2 4.1 117.4 161 3621 04 09 36 04 13 00 J1639+8631 21 08 12 51.7 354.7 4.6 107.3 -44 3621 No stop 04 14 30 =1654+866 21 09 43 51.7 354.7 4.6 106.9 46 3633 04 13 01 04 14 30 PSJ1721+8842 21 09 43 51.1 358.2 4.1 117.1 -44 3633 No stop 04 17 55 --- 21 13 08 51.1 358.1 4.2 116.2 161 3659 04 14 31 04 18 40 J1639+8631 21 13 53 51.6 354.7 4.7 105.8 1 3659 04 18 40 04 20 05 =1654+866 21 15 18 51.6 354.7 4.7 105.5 85 3670 04 18 41 04 20 05 PSJ1721+8842 21 15 18 51.1 358.1 4.2 115.6 -44 3670 No stop 04 23 30 --- 21 18 44 51.1 358.1 4.3 114.8 161 3696 04 20 06 04 23 30 J1639+8631 21 18 44 51.5 354.7 4.8 104.6 -44 3696 No stop 04 25 00 =1654+866 21 20 14 51.5 354.6 4.8 104.2 46 3708 04 23 31 Schedule for EFLSBERG (Code Ef ) Page 15 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 04 25 00 PSJ1721+8842 21 20 14 51.1 358.1 4.3 114.4 -44 3708 No stop 04 28 25 --- 21 23 40 51.1 358.1 4.3 113.5 161 3734 04 25 01 04 29 10 J1639+8631 21 24 25 51.4 354.6 4.8 103.1 1 3734 04 29 10 04 30 35 =1654+866 21 25 50 51.4 354.6 4.9 102.8 85 3745 04 29 11 04 30 35 PSJ1721+8842 21 25 50 51.1 358.1 4.4 113.0 -44 3745 No stop 04 34 00 --- 21 29 16 51.0 358.1 4.4 112.1 161 3772 04 30 36 04 34 00 J1639+8631 21 29 16 51.4 354.6 4.9 101.9 -44 3772 No stop 04 35 30 =1654+866 21 30 46 51.4 354.6 5.0 101.5 46 3783 04 34 01 04 35 30 PSJ1721+8842 21 30 46 51.0 358.1 4.5 111.7 -44 3783 No stop 04 38 55 --- 21 34 12 51.0 358.1 4.5 110.9 161 3810 04 35 31 04 39 40 J1639+8631 21 34 57 51.3 354.6 5.0 100.5 1 3810 04 39 40 04 41 05 =1654+866 21 36 22 51.3 354.6 5.0 100.1 85 3821 04 39 41 04 41 05 PSJ1721+8842 21 36 22 51.0 358.1 4.5 110.3 -44 3821 No stop 04 44 30 --- 21 39 48 51.0 358.0 4.6 109.5 161 3847 04 41 06 04 44 30 J1639+8631 21 39 48 51.2 354.5 5.1 99.2 -44 3847 No stop 04 46 00 =1654+866 21 41 18 51.2 354.5 5.1 98.9 46 3859 04 44 31 04 46 00 PSJ1721+8842 21 41 18 51.0 358.0 4.6 109.1 -44 3859 No stop 04 49 25 --- 21 44 43 51.0 358.0 4.7 108.2 161 3885 04 46 01 04 50 10 J1639+8631 21 45 28 51.1 354.5 5.2 97.8 1 3885 04 50 10 04 51 35 =1654+866 21 46 54 51.1 354.5 5.2 97.4 85 3896 04 50 11 04 51 35 PSJ1721+8842 21 46 54 50.9 358.0 4.7 107.7 -44 3896 No stop 04 55 00 --- 21 50 19 50.9 358.0 4.8 106.8 161 3923 04 51 36 04 55 00 J1639+8631 21 50 19 51.1 354.5 5.3 96.6 -44 3923 No stop 04 56 30 =1654+866 21 51 49 51.0 354.5 5.3 96.2 46 3934 04 55 01 04 56 30 PSJ1721+8842 21 51 49 50.9 358.0 4.8 106.4 -44 3934 No stop 04 59 55 --- 21 55 15 50.9 358.0 4.9 105.6 161 3961 04 56 31 05 00 40 J1639+8631 21 56 00 51.0 354.5 5.4 95.2 1 3961 05 00 40 05 02 05 =1654+866 21 57 25 50.9 354.5 5.4 94.8 85 3972 05 00 41 05 02 05 PSJ1721+8842 21 57 25 50.9 358.0 4.9 105.0 -44 3972 No stop 05 05 30 --- 22 00 51 50.9 358.0 5.0 104.1 161 3998 05 02 06 Schedule for EFLSBERG (Code Ef ) 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 22 00 51 50.9 354.5 5.5 93.9 -44 3998 No stop 05 07 00 =1654+866 22 02 21 50.9 354.5 5.5 93.6 46 4010 05 05 31 05 07 00 PSJ1721+8842 22 02 21 50.9 358.0 5.0 103.8 -44 4010 No stop 05 10 25 --- 22 05 47 50.8 358.0 5.0 102.9 161 4036 05 07 01 05 11 10 J1639+8631 22 06 32 50.8 354.5 5.5 92.5 1 4036 05 11 10 05 12 35 =1654+866 22 07 57 50.8 354.5 5.6 92.2 85 4047 05 11 11 05 12 35 PSJ1721+8842 22 07 57 50.8 358.0 5.1 102.4 -44 4047 No stop 05 16 00 --- 22 11 23 50.8 358.0 5.1 101.5 161 4073 05 12 36 05 16 00 J1639+8631 22 11 23 50.7 354.5 5.6 91.3 -44 4073 No stop 05 17 30 =1654+866 22 12 53 50.7 354.5 5.7 90.9 46 4085 05 16 01 05 17 30 PSJ1721+8842 22 12 53 50.8 358.0 5.2 101.1 -44 4085 No stop 05 20 55 --- 22 16 18 50.8 358.0 5.2 100.3 161 4111 05 17 31 05 21 40 J1639+8631 22 17 04 50.6 354.5 5.7 89.9 1 4111 05 21 40 05 23 05 =1654+866 22 18 29 50.6 354.5 5.7 89.5 85 4122 05 21 41 05 23 05 PSJ1721+8842 22 18 29 50.8 358.0 5.2 99.7 -44 4122 No stop 05 26 30 --- 22 21 54 50.7 357.9 5.3 98.9 161 4149 05 23 06 05 26 30 J1639+8631 22 21 54 50.6 354.5 5.8 88.7 -44 4149 No stop 05 28 00 =1654+866 22 23 25 50.6 354.5 5.8 88.3 46 4160 05 26 31 05 28 00 PSJ1721+8842 22 23 25 50.7 357.9 5.3 98.5 -44 4160 No stop 05 31 25 --- 22 26 50 50.7 357.9 5.4 97.6 161 4187 05 28 01 05 32 10 J1639+8631 22 27 35 50.5 354.5 5.9 87.3 1 4187 05 32 10 05 33 35 =1654+866 22 29 01 50.5 354.5 5.9 86.9 85 4198 05 32 11 05 33 35 PSJ1721+8842 22 29 01 50.7 357.9 5.4 97.1 -44 4198 No stop 05 37 00 --- 22 32 26 50.7 357.9 5.5 96.2 161 4224 05 33 36 05 37 00 J1639+8631 22 32 26 50.4 354.5 6.0 86.1 -44 4224 No stop 05 38 30 =1654+866 22 33 56 50.4 354.5 6.0 85.7 46 4236 05 37 01 05 43 30 3C84 22 38 57 42.1 432.0 -4.7 -53.9 75 4236 05 43 30 05 48 30 --- 22 43 58 42.9 432.7 -4.6 -54.2 300 4274 05 43 31 05 53 30 J1639+8631 22 48 59 50.2 354.5 6.3 82.0 73 4274 05 53 30 05 58 30 =1654+866 22 54 00 50.1 354.5 6.3 80.7 300 4313 05 53 31 Schedule for EFLSBERG (Code Ef ) 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 22 54 00 50.6 357.9 5.8 90.8 -43 4313 No stop 06 01 55 --- 22 57 25 50.5 357.9 5.9 90.0 162 4339 05 58 31 06 02 40 J1639+8631 22 58 10 50.0 354.6 6.4 79.7 2 4339 06 02 40 06 04 05 =1654+866 22 59 36 50.0 354.6 6.4 79.3 85 4350 06 02 41 06 04 05 PSJ1721+8842 22 59 36 50.5 357.9 5.9 89.4 -43 4350 No stop 06 07 30 --- 23 03 01 50.5 357.9 6.0 88.6 162 4377 06 04 06 06 07 30 J1639+8631 23 03 01 49.9 354.6 6.5 78.5 -43 4377 No stop 06 09 00 =1654+866 23 04 31 49.9 354.6 6.5 78.1 47 4388 06 07 31 06 09 00 PSJ1721+8842 23 04 31 50.5 357.9 6.0 88.2 -43 4388 No stop 06 12 25 --- 23 07 57 50.5 357.9 6.1 87.3 162 4415 06 09 01 06 13 10 J1639+8631 23 08 42 49.9 354.6 6.6 77.1 2 4415 06 13 10 06 14 35 =1654+866 23 10 07 49.8 354.6 6.6 76.8 85 4426 06 13 11 06 14 35 PSJ1721+8842 23 10 07 50.5 357.9 6.1 86.8 -43 4426 No stop 06 18 00 --- 23 13 33 50.4 357.9 6.2 85.9 162 4452 06 14 36 06 18 00 J1639+8631 23 13 33 49.8 354.6 6.7 75.9 -43 4452 No stop 06 19 30 =1654+866 23 15 03 49.8 354.6 6.7 75.5 47 4464 06 18 01 06 19 30 PSJ1721+8842 23 15 03 50.4 357.9 6.2 85.6 -43 4464 No stop 06 22 55 --- 23 18 29 50.4 357.9 6.2 84.7 162 4490 06 19 31 06 23 40 J1639+8631 23 19 14 49.7 354.7 6.8 74.5 2 4490 06 23 40 06 25 05 =1654+866 23 20 39 49.7 354.7 6.8 74.2 85 4501 06 23 41 06 25 05 PSJ1721+8842 23 20 39 50.4 357.9 6.3 84.2 -43 4501 No stop 06 28 30 --- 23 24 05 50.4 357.9 6.3 83.3 162 4527 06 25 06 06 28 30 J1639+8631 23 24 05 49.6 354.7 6.8 73.3 -43 4527 No stop 06 30 00 =1654+866 23 25 35 49.6 354.7 6.9 73.0 47 4539 06 28 31 06 30 00 PSJ1721+8842 23 25 35 50.4 357.9 6.4 82.9 -43 4539 No stop 06 33 25 --- 23 29 00 50.4 357.9 6.4 82.1 162 4565 06 30 01 06 34 10 J1639+8631 23 29 46 49.6 354.7 6.9 72.0 2 4565 06 34 10 06 35 35 =1654+866 23 31 11 49.5 354.8 7.0 71.6 85 4576 06 34 11 06 35 35 PSJ1721+8842 23 31 11 50.3 357.9 6.5 81.5 -43 4576 No stop 06 39 00 --- 23 34 36 50.3 358.0 6.5 80.7 162 4603 06 35 36 Schedule for EFLSBERG (Code Ef ) 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 23 34 36 49.5 354.8 7.0 70.8 -43 4603 No stop 06 40 30 =1654+866 23 36 07 49.5 354.8 7.0 70.4 47 4614 06 39 01 06 40 30 PSJ1721+8842 23 36 07 50.3 358.0 6.5 80.3 -43 4614 No stop 06 43 55 --- 23 39 32 50.3 358.0 6.6 79.5 162 4641 06 40 31 06 44 40 J1639+8631 23 40 17 49.4 354.8 7.1 69.4 3 4641 06 44 40 06 46 05 =1654+866 23 41 42 49.4 354.8 7.1 69.0 85 4652 06 44 41 06 46 05 PSJ1721+8842 23 41 42 50.3 358.0 6.6 78.9 -42 4652 No stop 06 49 30 --- 23 45 08 50.3 358.0 6.7 78.1 163 4678 06 46 06 06 49 30 J1639+8631 23 45 08 49.3 354.9 7.2 68.2 -42 4678 No stop 06 51 00 =1654+866 23 46 38 49.3 354.9 7.2 67.8 48 4690 06 49 31 06 51 00 PSJ1721+8842 23 46 38 50.3 358.0 6.7 77.7 -42 4690 No stop 06 54 25 --- 23 50 04 50.2 358.0 6.8 76.8 163 4716 06 51 01 06 55 10 J1639+8631 23 50 49 49.3 354.9 7.3 66.8 3 4716 06 55 10 06 56 35 =1654+866 23 52 14 49.2 354.9 7.3 66.5 85 4727 06 55 11 06 56 35 PSJ1721+8842 23 52 14 50.2 358.0 6.8 76.3 -42 4727 No stop 07 00 00 --- 23 55 40 50.2 358.0 6.9 75.5 163 4753 06 56 36 07 00 00 J1639+8631 23 55 40 49.2 355.0 7.4 65.7 -42 4753 No stop 07 01 30 =1654+866 23 57 10 49.2 355.0 7.4 65.3 48 4765 07 00 01 07 01 30 PSJ1721+8842 23 57 10 50.2 358.0 6.9 75.1 -42 4765 No stop 07 04 55 --- 00 00 36 50.2 358.0 6.9 74.2 163 4791 07 01 31 07 05 40 J1639+8631 00 01 21 49.1 355.0 7.5 64.3 3 4791 07 05 40 07 07 05 =1654+866 00 02 46 49.1 355.0 7.5 63.9 85 4802 07 05 41 07 07 05 PSJ1721+8842 00 02 46 50.2 358.0 7.0 73.7 -42 4802 No stop 07 10 30 --- 00 06 11 50.2 358.0 7.0 72.8 163 4829 07 07 06 07 10 30 J1639+8631 00 06 11 49.0 355.1 7.5 63.1 -42 4829 No stop 07 12 00 =1654+866 00 07 42 49.0 355.1 7.6 62.7 48 4840 07 10 31 07 12 00 PSJ1721+8842 00 07 42 50.1 358.0 7.1 72.5 -42 4840 No stop 07 15 25 --- 00 11 07 50.1 358.0 7.1 71.6 163 4867 07 12 01 07 16 10 J1639+8631 00 11 52 49.0 355.1 7.6 61.7 4 4867 07 16 10 07 17 35 =1654+866 00 13 18 48.9 355.1 7.7 61.4 85 4878 07 16 11 Schedule for EFLSBERG (Code Ef ) 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 00 13 18 50.1 358.0 7.2 71.1 -41 4878 No stop 07 21 00 --- 00 16 43 50.1 358.0 7.2 70.2 164 4904 07 17 36 07 21 00 J1639+8631 00 16 43 48.9 355.2 7.7 60.6 -41 4904 No stop 07 22 30 =1654+866 00 18 13 48.9 355.2 7.7 60.2 49 4916 07 21 01 07 22 30 PSJ1721+8842 00 18 13 50.1 358.1 7.2 69.9 -41 4916 No stop 07 25 55 --- 00 21 39 50.1 358.1 7.3 69.0 164 4942 07 22 31 07 26 40 J1639+8631 00 22 24 48.8 355.3 7.8 59.2 4 4942 07 26 40 07 28 05 =1654+866 00 23 49 48.8 355.3 7.8 58.9 85 4953 07 26 41 07 28 05 PSJ1721+8842 00 23 49 50.1 358.1 7.3 68.5 -41 4953 No stop 07 30 30 --- 00 26 15 50.0 358.1 7.4 67.9 104 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 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: ef18cm 18cm Prime focus receiver, standard LO ****** Only 128.00 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 4 Station: EFLSBERG 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= 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 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 C4 A2 C4 A2 C4 A2 C4 The following frequency sets based on these setups were used. Frequency Set: 3 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= 116.49 116.49 116.49 116.49 180.49 180.49 180.49 180.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 3 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