COVER INFORMATION Station: EFLSBERG (Code Ef ) 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 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 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: 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 18 00 00 J1639+8631 11 21 08 51.1 365.5 -5.2 -97.6 0 0 18 00 00 18 01 30 =1654+866 11 22 38 51.1 365.5 -5.2 -98.0 90 12 18 00 01 18 01 30 PSJ1721+8842 11 22 38 50.6 362.1 -5.7 -93.1 -43 12 No stop 18 04 55 --- 11 26 03 50.6 362.1 -5.6 -94.0 162 38 18 01 31 18 05 40 J1639+8631 11 26 48 51.2 365.5 -5.1 -99.0 2 38 18 05 40 18 07 05 =1654+866 11 28 14 51.2 365.5 -5.1 -99.4 85 49 18 05 41 18 07 05 PSJ1721+8842 11 28 14 50.6 362.1 -5.6 -94.5 -43 49 No stop 18 10 30 --- 11 31 39 50.7 362.1 -5.5 -95.4 162 75 18 07 06 18 10 30 J1639+8631 11 31 39 51.3 365.4 -5.0 -100.3 -43 75 No stop 18 12 00 =1654+866 11 33 09 51.3 365.4 -5.0 -100.7 47 87 18 10 31 18 12 00 PSJ1721+8842 11 33 09 50.7 362.1 -5.5 -95.8 -43 87 No stop 18 15 25 --- 11 36 35 50.7 362.1 -5.5 -96.6 162 113 18 12 01 18 16 10 J1639+8631 11 37 20 51.4 365.4 -4.9 -101.7 2 113 18 16 10 18 17 35 =1654+866 11 38 45 51.4 365.4 -4.9 -102.1 85 124 18 16 11 18 17 35 PSJ1721+8842 11 38 45 50.7 362.1 -5.4 -97.2 -43 124 No stop 18 21 00 --- 11 42 11 50.7 362.1 -5.4 -98.0 162 151 18 17 36 18 21 00 J1639+8631 11 42 11 51.4 365.4 -4.9 -102.9 -43 151 No stop 18 22 30 =1654+866 11 43 41 51.5 365.4 -4.8 -103.3 47 162 18 21 01 18 22 30 PSJ1721+8842 11 43 41 50.7 362.1 -5.3 -98.4 -43 162 No stop 18 25 55 --- 11 47 07 50.8 362.0 -5.3 -99.3 162 189 18 22 31 18 26 40 J1639+8631 11 47 52 51.5 365.4 -4.8 -104.4 2 189 18 26 40 18 28 05 =1654+866 11 49 17 51.5 365.3 -4.7 -104.7 85 200 18 26 41 18 28 05 PSJ1721+8842 11 49 17 50.8 362.0 -5.2 -99.8 -43 200 No stop 18 31 30 --- 11 52 43 50.8 362.0 -5.2 -100.7 162 226 18 28 06 18 31 30 J1639+8631 11 52 43 51.6 365.3 -4.7 -105.6 -43 226 No stop 18 33 00 =1654+866 11 54 13 51.6 365.3 -4.7 -106.0 47 238 18 31 31 18 33 00 PSJ1721+8842 11 54 13 50.8 362.0 -5.2 -101.1 -43 238 No stop 18 36 25 --- 11 57 38 50.8 362.0 -5.1 -101.9 162 264 18 33 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 4 Jun 2021 Day 155 --- 18 37 10 J1639+8631 11 58 24 51.7 365.3 -4.6 -107.1 2 264 18 37 10 18 38 35 =1654+866 11 59 49 51.7 365.3 -4.6 -107.4 85 275 18 37 11 18 38 35 PSJ1721+8842 11 59 49 50.8 362.0 -5.1 -102.5 -43 275 No stop 18 42 00 --- 12 03 14 50.8 362.0 -5.0 -103.3 162 301 18 38 36 18 42 00 J1639+8631 12 03 14 51.7 365.2 -4.5 -108.3 -43 301 No stop 18 43 30 =1654+866 12 04 45 51.8 365.2 -4.5 -108.7 47 313 18 42 01 18 43 30 PSJ1721+8842 12 04 45 50.9 362.0 -5.0 -103.7 -43 313 No stop 18 46 55 --- 12 08 10 50.9 362.0 -4.9 -104.6 162 339 18 43 31 18 47 40 J1639+8631 12 08 55 51.8 365.2 -4.4 -109.8 2 339 18 47 40 18 49 05 =1654+866 12 10 21 51.8 365.2 -4.4 -110.1 85 350 18 47 41 18 49 05 PSJ1721+8842 12 10 21 50.9 362.0 -4.9 -105.1 -43 350 No stop 18 52 30 --- 12 13 46 50.9 362.0 -4.8 -106.0 162 377 18 49 06 18 52 30 J1639+8631 12 13 46 51.9 365.2 -4.3 -111.0 -42 377 No stop 18 54 00 =1654+866 12 15 16 51.9 365.1 -4.3 -111.4 48 388 18 52 31 18 54 00 PSJ1721+8842 12 15 16 50.9 362.0 -4.8 -106.4 -42 388 No stop 18 57 25 --- 12 18 42 50.9 362.0 -4.7 -107.2 163 415 18 54 01 18 58 10 J1639+8631 12 19 27 52.0 365.1 -4.2 -112.5 3 415 18 58 10 18 59 35 =1654+866 12 20 52 52.0 365.1 -4.2 -112.8 85 426 18 58 11 18 59 35 PSJ1721+8842 12 20 52 50.9 362.0 -4.7 -107.8 -42 426 No stop 19 03 00 --- 12 24 18 51.0 362.0 -4.7 -108.6 163 452 18 59 36 19 03 00 J1639+8631 12 24 18 52.0 365.1 -4.2 -113.7 -42 452 No stop 19 04 30 =1654+866 12 25 48 52.1 365.0 -4.1 -114.1 48 464 19 03 01 19 04 30 PSJ1721+8842 12 25 48 51.0 362.0 -4.6 -109.0 -42 464 No stop 19 07 55 --- 12 29 14 51.0 362.0 -4.6 -109.9 163 490 19 04 31 19 08 40 J1639+8631 12 29 59 52.1 365.0 -4.1 -115.2 3 490 19 08 40 19 10 05 =1654+866 12 31 24 52.1 365.0 -4.0 -115.5 85 501 19 08 41 19 10 05 PSJ1721+8842 12 31 24 51.0 361.9 -4.5 -110.4 -42 501 No stop 19 13 30 --- 12 34 50 51.0 361.9 -4.5 -111.3 163 528 19 10 06 19 13 30 J1639+8631 12 34 50 52.2 364.9 -4.0 -116.4 -42 528 No stop 19 15 00 =1654+866 12 36 20 52.2 364.9 -4.0 -116.8 48 539 19 13 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 4 Jun 2021 Day 155 --- 19 15 00 PSJ1721+8842 12 36 20 51.0 361.9 -4.5 -111.7 -42 539 No stop 19 18 25 --- 12 39 45 51.0 361.9 -4.4 -112.5 163 566 19 15 01 19 19 10 J1639+8631 12 40 31 52.3 364.9 -3.9 -117.9 3 566 19 19 10 19 20 35 =1654+866 12 41 56 52.3 364.9 -3.9 -118.3 85 576 19 19 11 19 20 35 PSJ1721+8842 12 41 56 51.1 361.9 -4.4 -113.1 -42 576 No stop 19 24 00 --- 12 45 21 51.1 361.9 -4.3 -114.0 163 603 19 20 36 19 24 00 J1639+8631 12 45 21 52.3 364.8 -3.8 -119.1 -41 603 No stop 19 25 30 =1654+866 12 46 52 52.4 364.8 -3.8 -119.5 49 614 19 24 01 19 30 30 3C345 12 51 52 48.9 442.0 -3.9 -55.0 76 614 19 30 30 19 35 30 --- 12 56 53 49.6 442.8 -3.8 -55.1 300 653 19 30 31 19 40 30 J1639+8631 13 01 54 52.6 364.6 -3.5 -123.4 73 653 19 40 30 19 45 30 =1654+866 13 06 55 52.6 364.5 -3.4 -124.8 300 692 19 40 31 19 45 30 PSJ1721+8842 13 06 55 51.2 361.8 -3.9 -119.4 -41 692 No stop 19 48 55 --- 13 10 20 51.2 361.8 -3.9 -120.3 164 718 19 45 31 19 49 40 J1639+8631 13 11 06 52.7 364.5 -3.4 -125.8 5 718 19 49 40 19 51 05 =1654+866 13 12 31 52.7 364.5 -3.4 -126.2 85 729 19 49 41 19 51 05 PSJ1721+8842 13 12 31 51.2 361.8 -3.9 -120.8 -40 729 No stop 19 54 30 --- 13 15 56 51.2 361.8 -3.8 -121.7 165 756 19 51 06 19 54 30 J1639+8631 13 15 56 52.7 364.4 -3.3 -127.1 -40 756 No stop 19 56 00 =1654+866 13 17 27 52.7 364.4 -3.3 -127.5 50 767 19 54 31 19 56 00 PSJ1721+8842 13 17 27 51.2 361.8 -3.8 -122.1 -40 767 No stop 19 59 25 --- 13 20 52 51.3 361.7 -3.7 -123.0 165 794 19 56 01 20 00 10 J1639+8631 13 21 37 52.8 364.3 -3.2 -128.6 5 794 20 00 10 20 01 35 =1654+866 13 23 02 52.8 364.3 -3.2 -129.0 85 804 20 00 11 20 01 35 PSJ1721+8842 13 23 02 51.3 361.7 -3.7 -123.5 -40 804 No stop 20 05 00 --- 13 26 28 51.3 361.7 -3.6 -124.4 165 831 20 01 36 20 05 00 J1639+8631 13 26 28 52.9 364.2 -3.1 -129.9 -40 831 No stop 20 06 30 =1654+866 13 27 58 52.9 364.2 -3.1 -130.3 50 842 20 05 01 20 06 30 PSJ1721+8842 13 27 58 51.3 361.7 -3.6 -124.8 -40 842 No stop 20 09 55 --- 13 31 24 51.3 361.7 -3.5 -125.6 165 869 20 06 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 4 Jun 2021 Day 155 --- 20 10 40 J1639+8631 13 32 09 52.9 364.1 -3.0 -131.4 6 869 20 10 40 20 12 05 =1654+866 13 33 34 52.9 364.1 -3.0 -131.7 85 880 20 10 41 20 12 05 PSJ1721+8842 13 33 34 51.3 361.7 -3.5 -126.2 -39 880 No stop 20 15 30 --- 13 37 00 51.3 361.7 -3.4 -127.0 166 906 20 12 06 20 15 30 J1639+8631 13 37 00 53.0 364.1 -2.9 -132.6 -39 906 No stop 20 17 00 =1654+866 13 38 30 53.0 364.0 -2.9 -133.0 51 918 20 15 31 20 17 00 PSJ1721+8842 13 38 30 51.3 361.6 -3.4 -127.4 -39 918 No stop 20 20 25 --- 13 41 56 51.4 361.6 -3.4 -128.3 166 944 20 17 01 20 21 10 J1639+8631 13 42 41 53.0 364.0 -2.9 -134.1 6 944 20 21 10 20 22 35 =1654+866 13 44 06 53.1 363.9 -2.8 -134.5 85 955 20 21 11 20 22 35 PSJ1721+8842 13 44 06 51.4 361.6 -3.3 -128.9 -39 955 No stop 20 26 00 --- 13 47 31 51.4 361.6 -3.3 -129.7 166 982 20 22 36 20 26 00 J1639+8631 13 47 31 53.1 363.9 -2.8 -135.4 -38 982 No stop 20 27 30 =1654+866 13 49 02 53.1 363.8 -2.7 -135.8 52 993 20 26 01 20 27 30 PSJ1721+8842 13 49 02 51.4 361.6 -3.2 -130.1 -38 993 No stop 20 30 55 --- 13 52 27 51.4 361.6 -3.2 -131.0 167 1020 20 27 31 20 31 40 J1639+8631 13 53 12 53.2 363.8 -2.7 -136.9 7 1020 20 31 40 20 33 05 =1654+866 13 54 38 53.2 363.7 -2.7 -137.3 85 1031 20 31 41 20 33 05 PSJ1721+8842 13 54 38 51.4 361.6 -3.2 -131.5 -38 1031 No stop 20 36 30 --- 13 58 03 51.4 361.5 -3.1 -132.4 167 1057 20 33 06 20 36 30 J1639+8631 13 58 03 53.2 363.7 -2.6 -138.2 -38 1057 No stop 20 38 00 =1654+866 13 59 33 53.2 363.7 -2.6 -138.6 52 1069 20 36 31 20 38 00 PSJ1721+8842 13 59 33 51.4 361.5 -3.1 -132.8 -38 1069 No stop 20 41 25 --- 14 02 59 51.4 361.5 -3.0 -133.7 167 1095 20 38 01 20 42 10 J1639+8631 14 03 44 53.3 363.6 -2.5 -139.7 8 1095 20 42 10 20 43 35 =1654+866 14 05 09 53.3 363.5 -2.5 -140.1 85 1106 20 42 11 20 43 35 PSJ1721+8842 14 05 09 51.5 361.5 -3.0 -134.2 -37 1106 No stop 20 47 00 --- 14 08 35 51.5 361.5 -2.9 -135.1 168 1132 20 43 36 20 47 00 J1639+8631 14 08 35 53.3 363.5 -2.4 -141.0 -37 1132 No stop 20 48 30 =1654+866 14 10 05 53.3 363.4 -2.4 -141.4 53 1144 20 47 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 4 Jun 2021 Day 155 --- 20 48 30 PSJ1721+8842 14 10 05 51.5 361.5 -2.9 -135.5 -37 1144 No stop 20 51 55 --- 14 13 31 51.5 361.4 -2.8 -136.4 168 1170 20 48 31 20 52 40 J1639+8631 14 14 16 53.4 363.4 -2.3 -142.5 8 1170 20 52 40 20 54 05 =1654+866 14 15 41 53.4 363.3 -2.3 -142.9 85 1181 20 52 41 20 54 05 PSJ1721+8842 14 15 41 51.5 361.4 -2.8 -136.9 -37 1181 No stop 20 57 30 --- 14 19 07 51.5 361.4 -2.7 -137.8 168 1208 20 54 06 20 57 30 J1639+8631 14 19 07 53.4 363.3 -2.2 -143.8 -37 1208 No stop 20 59 00 =1654+866 14 20 37 53.4 363.2 -2.2 -144.2 53 1219 20 57 31 20 59 00 PSJ1721+8842 14 20 37 51.5 361.4 -2.7 -138.2 -37 1219 No stop 21 02 25 --- 14 24 02 51.5 361.4 -2.7 -139.0 168 1246 20 59 01 21 03 10 J1639+8631 14 24 48 53.5 363.1 -2.1 -145.3 8 1246 21 03 10 21 04 35 =1654+866 14 26 13 53.5 363.1 -2.1 -145.7 85 1257 21 03 11 21 04 35 PSJ1721+8842 14 26 13 51.5 361.3 -2.6 -139.6 -37 1257 No stop 21 08 00 --- 14 29 38 51.5 361.3 -2.6 -140.5 168 1283 21 04 36 21 08 00 J1639+8631 14 29 38 53.5 363.0 -2.1 -146.6 -37 1283 No stop 21 09 30 =1654+866 14 31 09 53.5 363.0 -2.0 -147.0 53 1295 21 08 01 21 09 30 PSJ1721+8842 14 31 09 51.6 361.3 -2.5 -140.9 -37 1295 No stop 21 12 55 --- 14 34 34 51.6 361.3 -2.5 -141.7 168 1321 21 09 31 21 13 40 J1639+8631 14 35 19 53.5 362.9 -2.0 -148.1 8 1321 21 13 40 21 15 05 =1654+866 14 36 45 53.6 362.9 -1.9 -148.5 85 1332 21 13 41 21 15 05 PSJ1721+8842 14 36 45 51.6 361.3 -2.4 -142.3 -37 1332 No stop 21 18 30 --- 14 40 10 51.6 361.2 -2.4 -143.2 168 1358 21 15 06 21 18 30 J1639+8631 14 40 10 53.6 362.8 -1.9 -149.4 -37 1358 No stop 21 20 00 =1654+866 14 41 40 53.6 362.8 -1.9 -149.8 53 1370 21 18 31 21 20 00 PSJ1721+8842 14 41 40 51.6 361.2 -2.4 -143.5 -37 1370 No stop 21 23 25 --- 14 45 06 51.6 361.2 -2.3 -144.4 168 1396 21 20 01 21 24 10 J1639+8631 14 45 51 53.6 362.7 -1.8 -150.9 8 1396 21 24 10 21 25 35 =1654+866 14 47 16 53.6 362.7 -1.8 -151.3 85 1407 21 24 11 21 25 35 PSJ1721+8842 14 47 16 51.6 361.2 -2.3 -145.0 -37 1407 No stop 21 29 00 --- 14 50 42 51.6 361.2 -2.2 -145.9 168 1434 21 25 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 4 Jun 2021 Day 155 --- 21 29 00 J1639+8631 14 50 42 53.7 362.6 -1.7 -152.2 -37 1434 No stop 21 30 30 =1654+866 14 52 12 53.7 362.5 -1.7 -152.6 53 1445 21 29 01 21 30 30 PSJ1721+8842 14 52 12 51.6 361.2 -2.2 -146.2 -37 1445 No stop 21 33 55 --- 14 55 38 51.6 361.1 -2.1 -147.1 168 1472 21 30 31 21 34 40 J1639+8631 14 56 23 53.7 362.4 -1.6 -153.7 8 1472 21 34 40 21 36 05 =1654+866 14 57 48 53.7 362.4 -1.6 -154.1 85 1483 21 34 41 21 36 05 PSJ1721+8842 14 57 48 51.6 361.1 -2.1 -147.7 -37 1483 No stop 21 39 30 --- 15 01 14 51.7 361.1 -2.0 -148.6 168 1509 21 36 06 21 39 30 J1639+8631 15 01 14 53.7 362.3 -1.5 -155.0 -37 1509 No stop 21 41 00 =1654+866 15 02 44 53.7 362.3 -1.5 -155.5 53 1521 21 39 31 21 41 00 PSJ1721+8842 15 02 44 51.7 361.1 -2.0 -148.9 -38 1521 No stop 21 44 25 --- 15 06 09 51.7 361.0 -2.0 -149.8 167 1547 21 41 01 21 45 10 J1639+8631 15 06 55 53.8 362.2 -1.4 -156.6 7 1547 21 45 10 21 46 35 =1654+866 15 08 20 53.8 362.2 -1.4 -157.0 85 1558 21 45 11 21 46 35 PSJ1721+8842 15 08 20 51.7 361.0 -1.9 -150.4 -38 1558 No stop 21 50 00 --- 15 11 45 51.7 361.0 -1.9 -151.2 167 1584 21 46 36 21 50 00 J1639+8631 15 11 45 53.8 362.1 -1.4 -157.9 -38 1584 No stop 21 51 30 =1654+866 15 13 16 53.8 362.0 -1.3 -158.3 52 1596 21 50 01 21 51 30 PSJ1721+8842 15 13 16 51.7 361.0 -1.8 -151.6 -38 1596 No stop 21 54 55 --- 15 16 41 51.7 361.0 -1.8 -152.5 167 1622 21 51 31 21 55 40 J1639+8631 15 17 26 53.8 361.9 -1.3 -159.4 7 1622 21 55 40 21 57 05 =1654+866 15 18 51 53.8 361.9 -1.2 -159.8 85 1633 21 55 41 21 57 05 PSJ1721+8842 15 18 51 51.7 360.9 -1.7 -153.1 -38 1633 No stop 22 00 30 --- 15 22 17 51.7 360.9 -1.7 -153.9 167 1660 21 57 06 22 00 30 J1639+8631 15 22 17 53.9 361.8 -1.2 -160.7 -38 1660 No stop 22 02 00 =1654+866 15 23 47 53.9 361.8 -1.2 -161.1 52 1671 22 00 31 22 02 00 PSJ1721+8842 15 23 47 51.7 360.9 -1.7 -154.3 -38 1671 No stop 22 05 25 --- 15 27 13 51.7 360.9 -1.6 -155.2 167 1698 22 02 01 22 06 10 J1639+8631 15 27 58 53.9 361.7 -1.1 -162.2 7 1698 22 06 10 22 07 35 =1654+866 15 29 23 53.9 361.6 -1.1 -162.6 85 1709 22 06 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 4 Jun 2021 Day 155 --- 22 07 35 PSJ1721+8842 15 29 23 51.7 360.9 -1.6 -155.8 -38 1709 No stop 22 11 00 --- 15 32 49 51.7 360.8 -1.5 -156.6 167 1735 22 07 36 22 11 00 J1639+8631 15 32 49 53.9 361.6 -1.0 -163.5 -38 1735 No stop 22 12 30 =1654+866 15 34 19 53.9 361.5 -1.0 -164.0 52 1747 22 11 01 22 12 30 PSJ1721+8842 15 34 19 51.7 360.8 -1.5 -157.0 -38 1747 No stop 22 15 55 --- 15 37 45 51.7 360.8 -1.4 -157.9 167 1773 22 12 31 22 16 40 J1639+8631 15 38 30 53.9 361.4 -0.9 -165.1 7 1773 22 16 40 22 18 05 =1654+866 15 39 55 53.9 361.4 -0.9 -165.5 85 1784 22 16 41 22 18 05 PSJ1721+8842 15 39 55 51.8 360.8 -1.4 -158.5 -38 1784 No stop 22 21 30 --- 15 43 20 51.8 360.7 -1.3 -159.4 167 1811 22 18 06 22 21 30 J1639+8631 15 43 20 53.9 361.3 -0.8 -166.4 -38 1811 No stop 22 23 00 =1654+866 15 44 51 53.9 361.3 -0.8 -166.8 52 1822 22 21 31 22 23 00 PSJ1721+8842 15 44 51 51.8 360.7 -1.3 -159.7 -38 1822 No stop 22 26 25 --- 15 48 16 51.8 360.7 -1.3 -160.6 167 1849 22 23 01 22 27 10 J1639+8631 15 49 01 54.0 361.2 -0.7 -167.9 7 1849 22 27 10 22 28 35 =1654+866 15 50 27 54.0 361.1 -0.7 -168.3 85 1860 22 27 11 22 28 35 PSJ1721+8842 15 50 27 51.8 360.7 -1.2 -161.2 -38 1860 No stop 22 32 00 --- 15 53 52 51.8 360.6 -1.2 -162.1 167 1886 22 28 36 22 32 00 J1639+8631 15 53 52 54.0 361.0 -0.7 -169.2 -38 1886 No stop 22 33 30 =1654+866 15 55 22 54.0 361.0 -0.6 -169.6 52 1898 22 32 01 22 33 30 PSJ1721+8842 15 55 22 51.8 360.6 -1.1 -162.4 -38 1898 No stop 22 36 55 --- 15 58 48 51.8 360.6 -1.1 -163.3 167 1924 22 33 31 22 37 40 J1639+8631 15 59 33 54.0 360.9 -0.6 -170.8 7 1924 22 37 40 22 39 05 =1654+866 16 00 58 54.0 360.8 -0.5 -171.2 85 1935 22 37 41 22 39 05 PSJ1721+8842 16 00 58 51.8 360.6 -1.0 -163.9 -38 1935 No stop 22 42 30 --- 16 04 24 51.8 360.5 -1.0 -164.8 167 1961 22 39 06 22 42 30 J1639+8631 16 04 24 54.0 360.8 -0.5 -172.1 -38 1961 No stop 22 44 00 =1654+866 16 05 54 54.0 360.7 -0.5 -172.5 52 1973 22 42 31 22 44 00 PSJ1721+8842 16 05 54 51.8 360.5 -1.0 -165.1 -38 1973 No stop 22 47 25 --- 16 09 20 51.8 360.5 -0.9 -166.0 167 1999 22 44 01 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 ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 22 48 10 J1639+8631 16 10 05 54.0 360.6 -0.4 -173.6 7 1999 22 48 10 22 49 35 =1654+866 16 11 30 54.0 360.6 -0.4 -174.0 85 2010 22 48 11 22 49 35 PSJ1721+8842 16 11 30 51.8 360.5 -0.9 -166.6 -38 2010 No stop 22 53 00 --- 16 14 56 51.8 360.5 -0.8 -167.5 167 2037 22 49 36 22 53 00 J1639+8631 16 14 56 54.0 360.5 -0.3 -174.9 -38 2037 No stop 22 54 30 =1654+866 16 16 26 54.0 360.4 -0.3 -175.3 52 2048 22 53 01 22 54 30 PSJ1721+8842 16 16 26 51.8 360.4 -0.8 -167.9 -38 2048 No stop 22 57 55 --- 16 19 51 51.8 360.4 -0.7 -168.7 167 2075 22 54 31 22 58 40 J1639+8631 16 20 37 54.0 360.3 -0.2 -176.5 7 2075 22 58 40 23 00 05 =1654+866 16 22 02 54.0 360.3 -0.2 -176.8 85 2086 22 58 41 23 00 05 PSJ1721+8842 16 22 02 51.8 360.4 -0.7 -169.3 -38 2086 No stop 23 03 30 --- 16 25 27 51.8 360.4 -0.6 -170.2 167 2112 23 00 06 23 03 30 J1639+8631 16 25 27 54.0 360.2 -0.1 -177.8 -38 2112 No stop 23 05 00 =1654+866 16 26 58 54.0 360.2 -0.1 -178.2 52 2124 23 03 31 23 05 00 PSJ1721+8842 16 26 58 51.8 360.3 -0.6 -170.6 -38 2124 No stop 23 08 25 --- 16 30 23 51.8 360.3 -0.6 -171.4 167 2150 23 05 01 23 09 10 J1639+8631 16 31 08 54.0 360.1 -0.0 -179.3 7 2150 23 09 10 23 10 35 =1654+866 16 32 34 54.0 360.0 -0.0 -179.7 85 2161 23 09 11 23 10 35 PSJ1721+8842 16 32 34 51.8 360.3 -0.5 -172.0 -38 2161 No stop 23 14 00 --- 16 35 59 51.8 360.3 -0.5 -172.9 167 2187 23 10 36 23 14 00 J1639+8631 16 35 59 54.0 359.9 0.0 179.4 -38 2187 No stop 23 15 30 =1654+866 16 37 29 54.0 359.9 0.1 179.0 52 2199 23 14 01 23 15 30 PSJ1721+8842 16 37 29 51.8 360.2 -0.4 -173.3 -38 2199 No stop 23 18 55 --- 16 40 55 51.8 360.2 -0.4 -174.1 167 2225 23 15 31 23 19 40 J1639+8631 16 41 40 54.0 359.8 0.1 177.8 7 2225 23 19 40 23 21 05 =1654+866 16 43 05 54.0 359.8 0.2 177.5 85 2236 23 19 41 23 21 05 PSJ1721+8842 16 43 05 51.8 360.2 -0.3 -174.7 -38 2236 No stop 23 24 30 --- 16 46 31 51.8 360.2 -0.3 -175.6 167 2263 23 21 06 23 24 30 J1639+8631 16 46 31 54.0 359.7 0.2 176.5 -38 2263 No stop 23 26 00 =1654+866 16 48 01 54.0 359.6 0.2 176.1 52 2274 23 24 31 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 ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 23 26 00 PSJ1721+8842 16 48 01 51.8 360.1 -0.3 -176.0 -38 2274 No stop 23 29 25 --- 16 51 27 51.8 360.1 -0.2 -176.9 167 2301 23 26 01 23 30 10 J1639+8631 16 52 12 54.0 359.5 0.3 175.0 7 2301 23 30 10 23 31 35 =1654+866 16 53 37 54.0 359.5 0.3 174.6 85 2312 23 30 11 23 31 35 PSJ1721+8842 16 53 37 51.8 360.1 -0.2 -177.4 -38 2312 No stop 23 35 00 --- 16 57 03 51.8 360.1 -0.1 -178.3 167 2338 23 31 36 23 35 00 J1639+8631 16 57 03 54.0 359.4 0.4 173.7 -38 2338 No stop 23 36 30 =1654+866 16 58 33 54.0 359.4 0.4 173.3 52 2350 23 35 01 23 36 30 PSJ1721+8842 16 58 33 51.8 360.0 -0.1 -178.7 -38 2350 No stop 23 39 55 --- 17 01 58 51.8 360.0 -0.0 -179.6 167 2376 23 36 31 23 40 40 J1639+8631 17 02 43 54.0 359.2 0.5 172.1 7 2376 23 40 40 23 42 05 =1654+866 17 04 09 54.0 359.2 0.5 171.8 85 2387 23 40 41 23 42 05 PSJ1721+8842 17 04 09 51.8 360.0 0.0 179.9 -38 2387 No stop 23 45 30 --- 17 07 34 51.8 360.0 0.1 179.0 167 2413 23 42 06 23 45 30 J1639+8631 17 07 34 54.0 359.1 0.6 170.8 -38 2413 No stop 23 47 00 =1654+866 17 09 05 54.0 359.1 0.6 170.4 52 2425 23 45 31 23 47 00 PSJ1721+8842 17 09 05 51.8 359.9 0.1 178.6 -38 2425 No stop 23 50 25 --- 17 12 30 51.8 359.9 0.1 177.7 167 2451 23 47 01 23 51 10 J1639+8631 17 13 15 54.0 359.0 0.7 169.3 7 2451 23 51 10 23 52 35 =1654+866 17 14 40 54.0 358.9 0.7 168.9 85 2462 23 51 11 23 52 35 PSJ1721+8842 17 14 40 51.8 359.9 0.2 177.2 -38 2462 No stop 23 56 00 --- 17 18 06 51.8 359.9 0.2 176.3 167 2489 23 52 36 23 56 00 J1639+8631 17 18 06 54.0 358.9 0.7 168.0 -38 2489 No stop 23 57 30 =1654+866 17 19 36 54.0 358.8 0.8 167.6 52 2500 23 56 01 --- Sat 5 Jun 2021 Day 156 --- 00 02 30 3C454.3 17 24 37 17.1 445.0 -5.5 -41.3 54 2500 00 02 30 00 07 30 --- 17 29 38 17.9 446.0 -5.4 -41.3 300 2539 00 02 31 00 12 30 J1639+8631 17 34 39 53.9 358.4 1.0 163.5 51 2539 00 12 30 00 17 30 =1654+866 17 39 40 53.9 358.3 1.1 162.2 300 2578 00 12 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 5 Jun 2021 Day 156 --- 00 17 30 PSJ1721+8842 17 39 40 51.8 359.7 0.6 170.7 -37 2578 No stop 00 20 55 --- 17 43 05 51.8 359.6 0.7 169.9 168 2604 00 17 31 00 21 40 J1639+8631 17 43 50 53.9 358.2 1.2 161.0 8 2604 00 21 40 00 23 05 =1654+866 17 45 15 53.9 358.2 1.2 160.7 85 2615 00 21 41 00 23 05 PSJ1721+8842 17 45 15 51.8 359.6 0.7 169.3 -37 2615 No stop 00 26 30 --- 17 48 41 51.8 359.6 0.8 168.4 168 2641 00 23 06 00 26 30 J1639+8631 17 48 41 53.8 358.1 1.3 159.7 -37 2641 No stop 00 28 00 =1654+866 17 50 11 53.8 358.1 1.3 159.3 53 2653 00 26 31 00 28 00 PSJ1721+8842 17 50 11 51.8 359.6 0.8 168.0 -37 2653 No stop 00 31 25 --- 17 53 37 51.8 359.5 0.8 167.2 168 2679 00 28 01 00 32 10 J1639+8631 17 54 22 53.8 358.0 1.3 158.2 8 2679 00 32 10 00 33 35 =1654+866 17 55 47 53.8 357.9 1.4 157.8 85 2690 00 32 11 00 33 35 PSJ1721+8842 17 55 47 51.8 359.5 0.9 166.6 -37 2690 No stop 00 37 00 --- 17 59 13 51.8 359.5 0.9 165.7 168 2717 00 33 36 00 37 00 J1639+8631 17 59 13 53.8 357.8 1.4 156.9 -37 2717 No stop 00 38 30 =1654+866 18 00 43 53.8 357.8 1.5 156.5 53 2728 00 37 01 00 38 30 PSJ1721+8842 18 00 43 51.8 359.5 1.0 165.3 -37 2728 No stop 00 41 55 --- 18 04 09 51.8 359.4 1.0 164.4 168 2755 00 38 31 00 42 40 J1639+8631 18 04 54 53.7 357.7 1.5 155.4 8 2755 00 42 40 00 44 05 =1654+866 18 06 19 53.7 357.7 1.5 155.0 85 2766 00 42 41 00 44 05 PSJ1721+8842 18 06 19 51.8 359.4 1.0 163.9 -37 2766 No stop 00 47 30 --- 18 09 44 51.8 359.4 1.1 163.0 168 2792 00 44 06 00 47 30 J1639+8631 18 09 44 53.7 357.6 1.6 154.1 -37 2792 No stop 00 49 00 =1654+866 18 11 15 53.7 357.6 1.6 153.7 53 2804 00 47 31 00 49 00 PSJ1721+8842 18 11 15 51.8 359.4 1.1 162.6 -37 2804 No stop 00 52 25 --- 18 14 40 51.8 359.3 1.2 161.7 168 2830 00 49 01 00 53 10 J1639+8631 18 15 25 53.7 357.5 1.7 152.6 8 2830 00 53 10 00 54 35 =1654+866 18 16 51 53.7 357.4 1.7 152.2 85 2841 00 53 11 00 54 35 PSJ1721+8842 18 16 51 51.8 359.3 1.2 161.2 -37 2841 No stop 00 58 00 --- 18 20 16 51.8 359.3 1.3 160.3 168 2868 00 54 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 5 Jun 2021 Day 156 --- 00 58 00 J1639+8631 18 20 16 53.6 357.3 1.8 151.3 -37 2868 No stop 00 59 30 =1654+866 18 21 46 53.6 357.3 1.8 150.9 53 2879 00 58 01 00 59 30 PSJ1721+8842 18 21 46 51.8 359.3 1.3 159.9 -37 2879 No stop 01 02 55 --- 18 25 12 51.8 359.3 1.4 159.0 168 2906 00 59 31 01 03 40 J1639+8631 18 25 57 53.6 357.2 1.9 149.7 8 2906 01 03 40 01 05 05 =1654+866 18 27 22 53.6 357.2 1.9 149.4 85 2916 01 03 41 01 05 05 PSJ1721+8842 18 27 22 51.8 359.2 1.4 158.5 -37 2916 No stop 01 08 30 --- 18 30 48 51.7 359.2 1.5 157.6 168 2943 01 05 06 01 08 30 J1639+8631 18 30 48 53.6 357.1 2.0 148.4 -38 2943 No stop 01 10 00 =1654+866 18 32 18 53.5 357.1 2.0 148.0 52 2954 01 08 31 01 10 00 PSJ1721+8842 18 32 18 51.7 359.2 1.5 157.2 -38 2954 No stop 01 13 25 --- 18 35 44 51.7 359.2 1.5 156.3 167 2981 01 10 01 01 14 10 J1639+8631 18 36 29 53.5 357.0 2.0 146.9 7 2981 01 14 10 01 15 35 =1654+866 18 37 54 53.5 357.0 2.1 146.5 85 2992 01 14 11 01 15 35 PSJ1721+8842 18 37 54 51.7 359.1 1.6 155.8 -38 2992 No stop 01 19 00 --- 18 41 20 51.7 359.1 1.6 154.9 167 3018 01 15 36 01 19 00 J1639+8631 18 41 20 53.5 356.9 2.1 145.6 -38 3018 No stop 01 20 30 =1654+866 18 42 50 53.5 356.9 2.2 145.2 52 3030 01 19 01 01 20 30 PSJ1721+8842 18 42 50 51.7 359.1 1.7 154.5 -38 3030 No stop 01 23 55 --- 18 46 15 51.7 359.1 1.7 153.6 167 3056 01 20 31 01 24 40 J1639+8631 18 47 01 53.4 356.8 2.2 144.1 6 3056 01 24 40 01 26 05 =1654+866 18 48 26 53.4 356.7 2.2 143.7 85 3067 01 24 41 01 26 05 PSJ1721+8842 18 48 26 51.7 359.1 1.7 153.1 -39 3067 No stop 01 29 30 --- 18 51 51 51.7 359.0 1.8 152.2 166 3094 01 26 06 01 29 30 J1639+8631 18 51 51 53.4 356.7 2.3 142.8 -39 3094 No stop 01 31 00 =1654+866 18 53 22 53.4 356.6 2.3 142.4 51 3105 01 29 31 01 31 00 PSJ1721+8842 18 53 22 51.7 359.0 1.8 151.8 -39 3105 No stop 01 34 25 --- 18 56 47 51.7 359.0 1.9 150.9 166 3132 01 31 01 01 35 10 J1639+8631 18 57 32 53.3 356.5 2.4 141.3 6 3132 01 35 10 01 36 35 =1654+866 18 58 58 53.3 356.5 2.4 140.9 85 3143 01 35 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 5 Jun 2021 Day 156 --- 01 36 35 PSJ1721+8842 18 58 58 51.7 359.0 1.9 150.4 -39 3143 No stop 01 40 00 --- 19 02 23 51.7 358.9 2.0 149.5 166 3169 01 36 36 01 40 00 J1639+8631 19 02 23 53.3 356.5 2.5 140.0 -40 3169 No stop 01 41 30 =1654+866 19 03 53 53.3 356.4 2.5 139.6 50 3181 01 40 01 01 41 30 PSJ1721+8842 19 03 53 51.7 358.9 2.0 149.1 -40 3181 No stop 01 44 55 --- 19 07 19 51.7 358.9 2.1 148.2 165 3207 01 41 31 01 45 40 J1639+8631 19 08 04 53.2 356.3 2.6 138.5 5 3207 01 45 40 01 47 05 =1654+866 19 09 29 53.2 356.3 2.6 138.1 85 3218 01 45 41 01 47 05 PSJ1721+8842 19 09 29 51.6 358.9 2.1 147.7 -40 3218 No stop 01 50 30 --- 19 12 55 51.6 358.9 2.2 146.8 165 3244 01 47 06 01 50 30 J1639+8631 19 12 55 53.2 356.3 2.7 137.2 -40 3244 No stop 01 52 00 =1654+866 19 14 25 53.1 356.2 2.7 136.8 50 3256 01 50 31 01 52 00 PSJ1721+8842 19 14 25 51.6 358.9 2.2 146.4 -40 3256 No stop 01 55 25 --- 19 17 51 51.6 358.8 2.2 145.5 165 3282 01 52 01 01 56 10 J1639+8631 19 18 36 53.1 356.1 2.7 135.7 5 3282 01 56 10 01 57 35 =1654+866 19 20 01 53.1 356.1 2.8 135.4 85 3293 01 56 11 01 57 35 PSJ1721+8842 19 20 01 51.6 358.8 2.3 145.0 -40 3293 No stop 02 01 00 --- 19 23 27 51.6 358.8 2.3 144.1 165 3320 01 57 36 02 01 00 J1639+8631 19 23 27 53.1 356.1 2.8 134.5 -41 3320 No stop 02 02 30 =1654+866 19 24 57 53.0 356.0 2.9 134.1 49 3331 02 01 01 02 02 30 PSJ1721+8842 19 24 57 51.6 358.8 2.4 143.7 -41 3331 No stop 02 05 55 --- 19 28 22 51.6 358.7 2.4 142.8 164 3358 02 02 31 02 06 40 J1639+8631 19 29 07 53.0 356.0 2.9 133.0 4 3358 02 06 40 02 08 05 =1654+866 19 30 33 53.0 355.9 2.9 132.6 85 3369 02 06 41 02 08 05 PSJ1721+8842 19 30 33 51.6 358.7 2.4 142.3 -41 3369 No stop 02 11 30 --- 19 33 58 51.6 358.7 2.5 141.4 164 3395 02 08 06 02 11 30 J1639+8631 19 33 58 52.9 355.9 3.0 131.7 -41 3395 No stop 02 13 00 =1654+866 19 35 29 52.9 355.9 3.0 131.3 49 3407 02 11 31 02 13 00 PSJ1721+8842 19 35 29 51.6 358.7 2.5 141.0 -41 3407 No stop 02 16 25 --- 19 38 54 51.5 358.7 2.6 140.2 164 3433 02 13 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 5 Jun 2021 Day 156 --- 02 17 10 J1639+8631 19 39 39 52.9 355.8 3.1 130.2 4 3433 02 17 10 02 18 35 =1654+866 19 41 04 52.9 355.8 3.1 129.8 85 3444 02 17 11 02 18 35 PSJ1721+8842 19 41 04 51.5 358.7 2.6 139.6 -41 3444 No stop 02 22 00 --- 19 44 30 51.5 358.6 2.7 138.7 164 3470 02 18 36 02 22 00 J1639+8631 19 44 30 52.8 355.7 3.2 128.9 -42 3470 No stop 02 23 30 =1654+866 19 46 00 52.8 355.7 3.2 128.5 48 3482 02 22 01 02 23 30 PSJ1721+8842 19 46 00 51.5 358.6 2.7 138.3 -42 3482 No stop 02 26 55 --- 19 49 26 51.5 358.6 2.8 137.5 163 3508 02 23 31 02 27 40 J1639+8631 19 50 11 52.7 355.6 3.3 127.4 3 3508 02 27 40 02 29 05 =1654+866 19 51 36 52.7 355.6 3.3 127.1 85 3519 02 27 41 02 29 05 PSJ1721+8842 19 51 36 51.5 358.6 2.8 136.9 -42 3519 No stop 02 32 30 --- 19 55 02 51.5 358.6 2.9 136.0 163 3546 02 29 06 02 32 30 J1639+8631 19 55 02 52.7 355.5 3.4 126.2 -42 3546 No stop 02 34 00 =1654+866 19 56 32 52.7 355.5 3.4 125.8 48 3557 02 32 31 02 34 00 PSJ1721+8842 19 56 32 51.5 358.5 2.9 135.7 -42 3557 No stop 02 37 25 --- 19 59 58 51.5 358.5 2.9 134.8 163 3584 02 34 01 02 38 10 J1639+8631 20 00 43 52.6 355.5 3.5 124.7 3 3584 02 38 10 02 39 35 =1654+866 20 02 08 52.6 355.4 3.5 124.3 85 3595 02 38 11 02 39 35 PSJ1721+8842 20 02 08 51.5 358.5 3.0 134.2 -42 3595 No stop 02 43 00 --- 20 05 33 51.4 358.5 3.0 133.4 163 3621 02 39 36 02 43 00 J1639+8631 20 05 33 52.6 355.4 3.5 123.4 -42 3621 No stop 02 44 30 =1654+866 20 07 04 52.5 355.4 3.6 123.0 48 3633 02 43 01 02 44 30 PSJ1721+8842 20 07 04 51.4 358.5 3.1 133.0 -42 3633 No stop 02 47 55 --- 20 10 29 51.4 358.5 3.1 132.1 163 3659 02 44 31 02 48 40 J1639+8631 20 11 14 52.5 355.3 3.6 121.9 3 3659 02 48 40 02 50 05 =1654+866 20 12 40 52.5 355.3 3.6 121.6 85 3670 02 48 41 02 50 05 PSJ1721+8842 20 12 40 51.4 358.4 3.2 131.5 -42 3670 No stop 02 53 30 --- 20 16 05 51.4 358.4 3.2 130.7 163 3696 02 50 06 02 53 30 J1639+8631 20 16 05 52.4 355.2 3.7 120.7 -43 3696 No stop 02 55 00 =1654+866 20 17 35 52.4 355.2 3.7 120.3 47 3708 02 53 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 5 Jun 2021 Day 156 --- 02 55 00 PSJ1721+8842 20 17 35 51.4 358.4 3.2 130.3 -43 3708 No stop 02 58 25 --- 20 21 01 51.4 358.4 3.3 129.4 162 3734 02 55 01 02 59 10 J1639+8631 20 21 46 52.3 355.2 3.8 119.2 2 3734 02 59 10 03 00 35 =1654+866 20 23 11 52.3 355.2 3.8 118.8 85 3745 02 59 11 03 00 35 PSJ1721+8842 20 23 11 51.4 358.4 3.3 128.9 -43 3745 No stop 03 04 00 --- 20 26 37 51.3 358.4 3.4 128.0 162 3772 03 00 36 03 04 00 J1639+8631 20 26 37 52.3 355.1 3.9 118.0 -43 3772 No stop 03 05 30 =1654+866 20 28 07 52.3 355.1 3.9 117.6 47 3783 03 04 01 03 05 30 PSJ1721+8842 20 28 07 51.3 358.4 3.4 127.6 -43 3783 No stop 03 08 55 --- 20 31 33 51.3 358.3 3.5 126.7 162 3810 03 05 31 03 09 40 J1639+8631 20 32 18 52.2 355.1 4.0 116.5 2 3810 03 09 40 03 11 05 =1654+866 20 33 43 52.2 355.0 4.0 116.1 85 3821 03 09 41 03 11 05 PSJ1721+8842 20 33 43 51.3 358.3 3.5 126.2 -43 3821 No stop 03 14 30 --- 20 37 09 51.3 358.3 3.6 125.3 162 3847 03 11 06 03 14 30 J1639+8631 20 37 09 52.1 355.0 4.1 115.2 -43 3847 No stop 03 16 00 =1654+866 20 38 39 52.1 355.0 4.1 114.8 47 3859 03 14 31 03 16 00 PSJ1721+8842 20 38 39 51.3 358.3 3.6 124.9 -43 3859 No stop 03 19 25 --- 20 42 04 51.3 358.3 3.6 124.1 162 3885 03 16 01 03 20 10 J1639+8631 20 42 50 52.1 354.9 4.2 113.8 2 3885 03 20 10 03 21 35 =1654+866 20 44 15 52.0 354.9 4.2 113.4 85 3896 03 20 11 03 21 35 PSJ1721+8842 20 44 15 51.3 358.3 3.7 123.5 -43 3896 No stop 03 25 00 --- 20 47 40 51.2 358.3 3.7 122.6 162 3923 03 21 36 03 25 00 J1639+8631 20 47 40 52.0 354.9 4.2 112.5 -43 3923 No stop 03 26 30 =1654+866 20 49 11 52.0 354.9 4.3 112.1 47 3934 03 25 01 03 26 30 PSJ1721+8842 20 49 11 51.2 358.2 3.8 122.3 -43 3934 No stop 03 29 55 --- 20 52 36 51.2 358.2 3.8 121.4 162 3961 03 26 31 03 30 40 J1639+8631 20 53 21 51.9 354.8 4.3 111.1 2 3961 03 30 40 03 32 05 =1654+866 20 54 46 51.9 354.8 4.4 110.7 85 3972 03 30 41 03 32 05 PSJ1721+8842 20 54 46 51.2 358.2 3.9 120.8 -43 3972 No stop 03 35 30 --- 20 58 12 51.2 358.2 3.9 120.0 162 3998 03 32 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 5 Jun 2021 Day 156 --- 03 35 30 J1639+8631 20 58 12 51.8 354.8 4.4 109.8 -44 3998 No stop 03 37 00 =1654+866 20 59 42 51.8 354.8 4.4 109.4 46 4010 03 35 31 03 37 00 PSJ1721+8842 20 59 42 51.2 358.2 3.9 119.6 -44 4010 No stop 03 40 25 --- 21 03 08 51.2 358.2 4.0 118.7 161 4036 03 37 01 03 41 10 J1639+8631 21 03 53 51.8 354.8 4.5 108.4 1 4036 03 41 10 03 42 35 =1654+866 21 05 18 51.7 354.7 4.5 108.0 85 4047 03 41 11 03 42 35 PSJ1721+8842 21 05 18 51.2 358.2 4.0 118.2 -44 4047 No stop 03 46 00 --- 21 08 44 51.1 358.2 4.1 117.3 161 4073 03 42 36 03 46 00 J1639+8631 21 08 44 51.7 354.7 4.6 107.1 -44 4073 No stop 03 47 30 =1654+866 21 10 14 51.7 354.7 4.6 106.7 46 4085 03 46 01 03 47 30 PSJ1721+8842 21 10 14 51.1 358.1 4.1 116.9 -44 4085 No stop 03 50 55 --- 21 13 40 51.1 358.1 4.2 116.1 161 4111 03 47 31 03 51 40 J1639+8631 21 14 25 51.6 354.7 4.7 105.7 1 4111 03 51 40 03 53 05 =1654+866 21 15 50 51.6 354.7 4.7 105.3 85 4122 03 51 41 03 53 05 PSJ1721+8842 21 15 50 51.1 358.1 4.2 115.5 -44 4122 No stop 03 56 30 --- 21 19 16 51.1 358.1 4.3 114.6 161 4149 03 53 06 03 56 30 J1639+8631 21 19 16 51.5 354.6 4.8 104.4 -44 4149 No stop 03 58 00 =1654+866 21 20 46 51.5 354.6 4.8 104.1 46 4160 03 56 31 03 58 00 PSJ1721+8842 21 20 46 51.1 358.1 4.3 114.3 -44 4160 No stop 04 01 25 --- 21 24 11 51.1 358.1 4.3 113.4 161 4187 03 58 01 04 02 10 J1639+8631 21 24 56 51.4 354.6 4.9 103.0 1 4187 04 02 10 04 03 35 =1654+866 21 26 22 51.4 354.6 4.9 102.6 85 4198 04 02 11 04 03 35 PSJ1721+8842 21 26 22 51.1 358.1 4.4 112.8 -44 4198 No stop 04 07 00 --- 21 29 47 51.0 358.1 4.4 112.0 161 4224 04 03 36 04 07 00 J1639+8631 21 29 47 51.4 354.6 4.9 101.8 -44 4224 No stop 04 08 30 =1654+866 21 31 17 51.3 354.6 5.0 101.4 46 4236 04 07 01 04 13 30 3C84 21 36 18 32.9 422.8 -5.7 -49.1 98 4236 04 13 30 04 18 30 --- 21 41 19 33.6 423.5 -5.7 -49.5 300 4274 04 13 31 04 23 30 J1639+8631 21 46 20 51.1 354.5 5.2 97.6 95 4274 04 23 30 04 28 30 =1654+866 21 51 21 51.0 354.5 5.3 96.3 300 4313 04 23 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 5 Jun 2021 Day 156 --- 04 28 30 PSJ1721+8842 21 51 21 50.9 358.0 4.8 106.5 -44 4313 No stop 04 31 55 --- 21 54 46 50.9 358.0 4.9 105.7 161 4339 04 28 31 04 32 40 J1639+8631 21 55 31 51.0 354.5 5.4 95.3 1 4339 04 32 40 04 34 05 =1654+866 21 56 57 51.0 354.5 5.4 94.9 85 4350 04 32 41 04 34 05 PSJ1721+8842 21 56 57 50.9 358.0 4.9 105.1 -44 4350 No stop 04 37 30 --- 22 00 22 50.9 358.0 4.9 104.3 161 4377 04 34 06 04 37 30 J1639+8631 22 00 22 50.9 354.5 5.4 94.1 -44 4377 No stop 04 39 00 =1654+866 22 01 52 50.9 354.5 5.5 93.7 46 4388 04 37 31 04 39 00 PSJ1721+8842 22 01 52 50.9 358.0 5.0 103.9 -44 4388 No stop 04 42 25 --- 22 05 18 50.8 358.0 5.0 103.0 161 4415 04 39 01 04 43 10 J1639+8631 22 06 03 50.8 354.5 5.5 92.6 1 4415 04 43 10 04 44 35 =1654+866 22 07 28 50.8 354.5 5.6 92.3 85 4426 04 43 11 04 44 35 PSJ1721+8842 22 07 28 50.8 358.0 5.1 102.5 -44 4426 No stop 04 48 00 --- 22 10 54 50.8 358.0 5.1 101.6 161 4452 04 44 36 04 48 00 J1639+8631 22 10 54 50.7 354.5 5.6 91.4 -44 4452 No stop 04 49 30 =1654+866 22 12 24 50.7 354.5 5.6 91.0 46 4464 04 48 01 04 49 30 PSJ1721+8842 22 12 24 50.8 358.0 5.1 101.2 -44 4464 No stop 04 52 55 --- 22 15 50 50.8 358.0 5.2 100.4 161 4490 04 49 31 04 53 40 J1639+8631 22 16 35 50.7 354.5 5.7 90.0 1 4490 04 53 40 04 55 05 =1654+866 22 18 00 50.6 354.5 5.7 89.6 85 4501 04 53 41 04 55 05 PSJ1721+8842 22 18 00 50.8 358.0 5.2 99.8 -44 4501 No stop 04 58 30 --- 22 21 26 50.7 358.0 5.3 99.0 161 4527 04 55 06 04 58 30 J1639+8631 22 21 26 50.6 354.5 5.8 88.8 -44 4527 No stop 05 00 00 =1654+866 22 22 56 50.6 354.5 5.8 88.4 46 4539 04 58 31 05 00 00 PSJ1721+8842 22 22 56 50.7 357.9 5.3 98.6 -44 4539 No stop 05 03 25 --- 22 26 21 50.7 357.9 5.4 97.7 161 4565 05 00 01 05 04 10 J1639+8631 22 27 07 50.5 354.5 5.9 87.4 1 4565 05 04 10 05 05 35 =1654+866 22 28 32 50.5 354.5 5.9 87.0 85 4576 05 04 11 05 05 35 PSJ1721+8842 22 28 32 50.7 357.9 5.4 97.2 -44 4576 No stop 05 09 00 --- 22 31 57 50.7 357.9 5.5 96.3 161 4603 05 05 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 5 Jun 2021 Day 156 --- 05 09 00 J1639+8631 22 31 57 50.4 354.5 6.0 86.2 -44 4603 No stop 05 10 30 =1654+866 22 33 28 50.4 354.5 6.0 85.8 46 4614 05 09 01 05 10 30 PSJ1721+8842 22 33 28 50.7 357.9 5.5 96.0 -44 4614 No stop 05 13 55 --- 22 36 53 50.7 357.9 5.6 95.1 161 4641 05 10 31 05 14 40 J1639+8631 22 37 38 50.3 354.5 6.1 84.8 1 4641 05 14 40 05 16 05 =1654+866 22 39 04 50.3 354.5 6.1 84.4 85 4652 05 14 41 05 16 05 PSJ1721+8842 22 39 04 50.6 357.9 5.6 94.6 -44 4652 No stop 05 19 30 --- 22 42 29 50.6 357.9 5.6 93.7 161 4678 05 16 06 05 19 30 J1639+8631 22 42 29 50.3 354.5 6.1 83.6 -44 4678 No stop 05 21 00 =1654+866 22 43 59 50.2 354.5 6.2 83.2 46 4690 05 19 31 05 21 00 PSJ1721+8842 22 43 59 50.6 357.9 5.7 93.3 -44 4690 No stop 05 24 25 --- 22 47 25 50.6 357.9 5.7 92.5 161 4716 05 21 01 05 25 10 J1639+8631 22 48 10 50.2 354.5 6.2 82.2 2 4716 05 25 10 05 26 35 =1654+866 22 49 35 50.2 354.5 6.3 81.8 85 4727 05 25 11 05 26 35 PSJ1721+8842 22 49 35 50.6 357.9 5.8 91.9 -43 4727 No stop 05 30 00 --- 22 53 01 50.6 357.9 5.8 91.1 162 4753 05 26 36 05 30 00 J1639+8631 22 53 01 50.1 354.5 6.3 81.0 -43 4753 No stop 05 31 30 =1654+866 22 54 31 50.1 354.5 6.3 80.6 47 4765 05 30 01 05 31 30 PSJ1721+8842 22 54 31 50.6 357.9 5.8 90.7 -43 4765 No stop 05 34 55 --- 22 57 57 50.5 357.9 5.9 89.8 162 4791 05 31 31 05 35 40 J1639+8631 22 58 42 50.0 354.6 6.4 79.6 2 4791 05 35 40 05 37 05 =1654+866 23 00 07 50.0 354.6 6.4 79.2 85 4802 05 35 41 05 37 05 PSJ1721+8842 23 00 07 50.5 357.9 5.9 89.3 -43 4802 No stop 05 40 30 --- 23 03 33 50.5 357.9 6.0 88.4 162 4829 05 37 06 05 40 30 J1639+8631 23 03 33 49.9 354.6 6.5 78.4 -43 4829 No stop 05 42 00 =1654+866 23 05 03 49.9 354.6 6.5 78.0 47 4840 05 40 31 05 42 00 PSJ1721+8842 23 05 03 50.5 357.9 6.0 88.1 -43 4840 No stop 05 45 25 --- 23 08 28 50.5 357.9 6.1 87.2 162 4867 05 42 01 05 46 10 J1639+8631 23 09 14 49.9 354.6 6.6 77.0 2 4867 05 46 10 05 47 35 =1654+866 23 10 39 49.8 354.6 6.6 76.6 85 4878 05 46 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 5 Jun 2021 Day 156 --- 05 47 35 PSJ1721+8842 23 10 39 50.5 357.9 6.1 86.7 -43 4878 No stop 05 51 00 --- 23 14 04 50.4 357.9 6.2 85.8 162 4904 05 47 36 05 51 00 J1639+8631 23 14 04 49.8 354.6 6.7 75.8 -43 4904 No stop 05 52 30 =1654+866 23 15 35 49.8 354.7 6.7 75.4 47 4916 05 51 01 05 52 30 PSJ1721+8842 23 15 35 50.4 357.9 6.2 85.4 -43 4916 No stop 05 55 55 --- 23 19 00 50.4 357.9 6.3 84.6 162 4942 05 52 31 05 56 35 J1639+8631 23 19 40 49.7 354.7 6.8 74.4 -3 4942 05 56 35 05 58 00 =1654+866 23 21 05 49.7 354.7 6.8 74.1 82 4953 05 56 36 05 58 00 PSJ1721+8842 23 21 05 50.4 357.9 6.3 84.0 -43 4953 No stop 06 00 00 --- 23 23 06 50.4 357.9 6.3 83.5 77 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 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 39.358204 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