COVER INFORMATION Station: MEDICINA (Code Mc ) 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 MEDICINA (Code Mc ) 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: 331.49 331.49 331.49 331.49 395.49 395.49 395.49 395.49 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 40 11 45.4 364.8 -4.9 -103.2 0 0 18 00 00 18 01 30 =1654+866 11 41 41 45.4 364.8 -4.9 -103.6 90 12 18 00 01 18 01 30 PSJ1721+8842 11 41 41 44.7 361.8 -5.4 -98.2 -8 12 No stop 18 04 55 --- 11 45 07 44.7 361.8 -5.3 -99.1 197 38 18 01 31 18 05 40 J1639+8631 11 45 52 45.5 364.8 -4.8 -104.7 37 38 18 05 40 18 07 05 =1654+866 11 47 17 45.5 364.8 -4.8 -105.0 85 49 18 05 41 18 07 05 PSJ1721+8842 11 47 17 44.8 361.8 -5.3 -99.6 -8 49 No stop 18 10 30 --- 11 50 42 44.8 361.8 -5.2 -100.5 197 75 18 07 06 18 10 30 J1639+8631 11 50 42 45.6 364.7 -4.7 -105.9 -8 75 No stop 18 12 00 =1654+866 11 52 13 45.6 364.7 -4.7 -106.3 82 87 18 10 31 18 12 00 PSJ1721+8842 11 52 13 44.8 361.8 -5.2 -100.9 -8 87 No stop 18 15 25 --- 11 55 38 44.8 361.8 -5.1 -101.7 197 113 18 12 01 18 16 10 J1639+8631 11 56 23 45.7 364.7 -4.6 -107.3 37 113 18 16 10 18 17 35 =1654+866 11 57 49 45.7 364.7 -4.6 -107.7 85 124 18 16 11 18 17 35 PSJ1721+8842 11 57 49 44.8 361.8 -5.1 -102.3 -8 124 No stop 18 21 00 --- 12 01 14 44.8 361.8 -5.0 -103.1 197 151 18 17 36 18 21 00 J1639+8631 12 01 14 45.7 364.7 -4.5 -108.6 -8 151 No stop 18 22 30 =1654+866 12 02 44 45.8 364.7 -4.5 -109.0 82 162 18 21 01 18 22 30 PSJ1721+8842 12 02 44 44.8 361.8 -5.0 -103.5 -8 162 No stop 18 25 55 --- 12 06 10 44.9 361.8 -5.0 -104.4 197 189 18 22 31 18 26 40 J1639+8631 12 06 55 45.8 364.6 -4.4 -110.0 37 189 18 26 40 18 28 05 =1654+866 12 08 20 45.8 364.6 -4.4 -110.4 85 200 18 26 41 18 28 05 PSJ1721+8842 12 08 20 44.9 361.8 -4.9 -104.9 -8 200 No stop 18 31 30 --- 12 11 46 44.9 361.8 -4.9 -105.8 197 226 18 28 06 18 31 30 J1639+8631 12 11 46 45.9 364.6 -4.4 -111.3 -8 226 No stop 18 33 00 =1654+866 12 13 16 45.9 364.6 -4.3 -111.6 82 238 18 31 31 18 33 00 PSJ1721+8842 12 13 16 44.9 361.8 -4.8 -106.2 -8 238 No stop 18 36 25 --- 12 16 42 44.9 361.8 -4.8 -107.0 197 264 18 33 01 Schedule for MEDICINA (Code Mc ) Page 3 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 18 37 10 J1639+8631 12 17 27 46.0 364.5 -4.3 -112.7 37 264 18 37 10 18 38 35 =1654+866 12 18 52 46.0 364.5 -4.2 -113.1 85 275 18 37 11 18 38 35 PSJ1721+8842 12 18 52 44.9 361.8 -4.7 -107.6 -8 275 No stop 18 42 00 --- 12 22 18 45.0 361.8 -4.7 -108.4 197 301 18 38 36 18 42 00 J1639+8631 12 22 18 46.0 364.5 -4.2 -114.0 -8 301 No stop 18 43 30 =1654+866 12 23 48 46.1 364.5 -4.2 -114.3 82 313 18 42 01 18 43 30 PSJ1721+8842 12 23 48 45.0 361.8 -4.7 -108.8 -8 313 No stop 18 46 55 --- 12 27 13 45.0 361.7 -4.6 -109.7 197 339 18 43 31 18 47 40 J1639+8631 12 27 59 46.1 364.4 -4.1 -115.4 37 339 18 47 40 18 49 05 =1654+866 12 29 24 46.1 364.4 -4.1 -115.8 85 350 18 47 41 18 49 05 PSJ1721+8842 12 29 24 45.0 361.7 -4.6 -110.2 -8 350 No stop 18 52 30 --- 12 32 49 45.0 361.7 -4.5 -111.1 197 377 18 49 06 18 52 30 J1639+8631 12 32 49 46.2 364.4 -4.0 -116.7 -7 377 No stop 18 54 00 =1654+866 12 34 20 46.2 364.4 -4.0 -117.0 83 388 18 52 31 18 54 00 PSJ1721+8842 12 34 20 45.0 361.7 -4.5 -111.5 -7 388 No stop 18 57 25 --- 12 37 45 45.0 361.7 -4.4 -112.3 198 415 18 54 01 18 58 10 J1639+8631 12 38 30 46.3 364.3 -3.9 -118.1 38 415 18 58 10 18 59 35 =1654+866 12 39 55 46.3 364.3 -3.9 -118.5 85 426 18 58 11 18 59 35 PSJ1721+8842 12 39 55 45.0 361.7 -4.4 -112.9 -7 426 No stop 19 03 00 --- 12 43 21 45.1 361.7 -4.3 -113.7 198 452 18 59 36 19 03 00 J1639+8631 12 43 21 46.3 364.3 -3.8 -119.4 -7 452 No stop 19 04 30 =1654+866 12 44 51 46.3 364.3 -3.8 -119.7 83 464 19 03 01 19 04 30 PSJ1721+8842 12 44 51 45.1 361.7 -4.3 -114.1 -7 464 No stop 19 07 55 --- 12 48 17 45.1 361.7 -4.3 -115.0 198 490 19 04 31 19 08 40 J1639+8631 12 49 02 46.4 364.2 -3.7 -120.8 38 490 19 08 40 19 10 05 =1654+866 12 50 27 46.4 364.2 -3.7 -121.2 85 501 19 08 41 19 10 05 PSJ1721+8842 12 50 27 45.1 361.7 -4.2 -115.5 -7 501 No stop 19 13 30 --- 12 53 53 45.1 361.7 -4.2 -116.4 198 528 19 10 06 19 13 30 J1639+8631 12 53 53 46.5 364.2 -3.7 -122.1 -7 528 No stop 19 15 00 =1654+866 12 55 23 46.5 364.2 -3.6 -122.5 83 539 19 13 31 Schedule for MEDICINA (Code Mc ) 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 55 23 45.1 361.7 -4.1 -116.8 -7 539 No stop 19 18 25 --- 12 58 49 45.1 361.6 -4.1 -117.6 198 566 19 15 01 19 19 10 J1639+8631 12 59 34 46.5 364.1 -3.6 -123.5 38 566 19 19 10 19 20 35 =1654+866 13 00 59 46.6 364.1 -3.5 -123.9 85 576 19 19 11 19 20 35 PSJ1721+8842 13 00 59 45.2 361.6 -4.0 -118.2 -7 576 No stop 19 24 00 --- 13 04 25 45.2 361.6 -4.0 -119.0 198 603 19 20 36 19 24 00 J1639+8631 13 04 25 46.6 364.0 -3.5 -124.8 -7 603 No stop 19 25 30 =1654+866 13 05 55 46.6 364.0 -3.5 -125.2 83 614 19 24 01 19 30 30 3C345 13 10 56 51.0 437.8 -3.5 -65.0 198 614 19 30 30 19 35 30 --- 13 15 56 51.8 438.4 -3.5 -65.3 300 653 19 30 31 19 40 30 J1639+8631 13 20 57 46.8 363.8 -3.2 -129.1 197 653 19 40 30 19 45 30 =1654+866 13 25 58 46.9 363.8 -3.1 -130.4 300 692 19 40 31 19 45 30 PSJ1721+8842 13 25 58 45.3 361.5 -3.6 -124.5 -8 692 No stop 19 48 55 --- 13 29 24 45.3 361.5 -3.6 -125.4 197 718 19 45 31 19 49 40 J1639+8631 13 30 09 46.9 363.7 -3.1 -131.5 37 718 19 49 40 19 51 05 =1654+866 13 31 34 46.9 363.7 -3.0 -131.8 85 729 19 49 41 19 51 05 PSJ1721+8842 13 31 34 45.3 361.5 -3.5 -125.9 -8 729 No stop 19 54 30 --- 13 35 00 45.3 361.5 -3.5 -126.8 197 756 19 51 06 19 54 30 J1639+8631 13 35 00 47.0 363.6 -3.0 -132.7 -8 756 No stop 19 56 00 =1654+866 13 36 30 47.0 363.6 -3.0 -133.1 82 767 19 54 31 19 56 00 PSJ1721+8842 13 36 30 45.3 361.5 -3.5 -127.2 -8 767 No stop 19 59 25 --- 13 39 55 45.3 361.5 -3.4 -128.0 197 794 19 56 01 20 00 10 J1639+8631 13 40 40 47.0 363.5 -2.9 -134.2 37 794 20 00 10 20 01 35 =1654+866 13 42 06 47.0 363.5 -2.9 -134.6 85 804 20 00 11 20 01 35 PSJ1721+8842 13 42 06 45.4 361.4 -3.4 -128.6 -8 804 No stop 20 05 00 --- 13 45 31 45.4 361.4 -3.3 -129.5 197 831 20 01 36 20 05 00 J1639+8631 13 45 31 47.1 363.5 -2.8 -135.5 -8 831 No stop 20 06 30 =1654+866 13 47 01 47.1 363.4 -2.8 -135.9 82 842 20 05 01 20 06 30 PSJ1721+8842 13 47 01 45.4 361.4 -3.3 -129.8 -8 842 No stop 20 09 55 --- 13 50 27 45.4 361.4 -3.2 -130.7 197 869 20 06 31 Schedule for MEDICINA (Code Mc ) 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 51 12 47.1 363.4 -2.7 -137.0 37 869 20 10 40 20 12 05 =1654+866 13 52 37 47.2 363.3 -2.7 -137.3 85 880 20 10 41 20 12 05 PSJ1721+8842 13 52 37 45.4 361.4 -3.2 -131.3 -8 880 No stop 20 15 30 --- 13 56 03 45.4 361.4 -3.1 -132.1 197 906 20 12 06 20 15 30 J1639+8631 13 56 03 47.2 363.3 -2.6 -138.2 -8 906 No stop 20 17 00 =1654+866 13 57 33 47.2 363.3 -2.6 -138.6 82 918 20 15 31 20 17 00 PSJ1721+8842 13 57 33 45.4 361.4 -3.1 -132.5 -8 918 No stop 20 20 25 --- 14 00 59 45.4 361.3 -3.0 -133.4 197 944 20 17 01 20 21 10 J1639+8631 14 01 44 47.2 363.2 -2.5 -139.7 37 944 20 21 10 20 22 35 =1654+866 14 03 09 47.3 363.2 -2.5 -140.1 85 955 20 21 11 20 22 35 PSJ1721+8842 14 03 09 45.4 361.3 -3.0 -133.9 -8 955 No stop 20 26 00 --- 14 06 35 45.5 361.3 -3.0 -134.8 197 982 20 22 36 20 26 00 J1639+8631 14 06 35 47.3 363.1 -2.5 -141.0 -8 982 No stop 20 27 30 =1654+866 14 08 05 47.3 363.1 -2.4 -141.4 82 993 20 26 01 20 27 30 PSJ1721+8842 14 08 05 45.5 361.3 -2.9 -135.2 -8 993 No stop 20 30 55 --- 14 11 31 45.5 361.3 -2.9 -136.1 197 1020 20 27 31 20 31 40 J1639+8631 14 12 16 47.3 363.0 -2.4 -142.5 37 1020 20 31 40 20 33 05 =1654+866 14 13 41 47.4 363.0 -2.3 -142.9 85 1031 20 31 41 20 33 05 PSJ1721+8842 14 13 41 45.5 361.3 -2.8 -136.6 -8 1031 No stop 20 36 30 --- 14 17 06 45.5 361.3 -2.8 -137.5 197 1057 20 33 06 20 36 30 J1639+8631 14 17 06 47.4 362.9 -2.3 -143.8 -8 1057 No stop 20 38 00 =1654+866 14 18 37 47.4 362.9 -2.3 -144.2 82 1069 20 36 31 20 38 00 PSJ1721+8842 14 18 37 45.5 361.2 -2.8 -137.9 -8 1069 No stop 20 41 25 --- 14 22 02 45.5 361.2 -2.7 -138.7 197 1095 20 38 01 20 42 10 J1639+8631 14 22 47 47.4 362.8 -2.2 -145.3 37 1095 20 42 10 20 43 35 =1654+866 14 24 13 47.5 362.8 -2.2 -145.6 85 1106 20 42 11 20 43 35 PSJ1721+8842 14 24 13 45.5 361.2 -2.7 -139.3 -8 1106 No stop 20 47 00 --- 14 27 38 45.5 361.2 -2.6 -140.2 197 1132 20 43 36 20 47 00 J1639+8631 14 27 38 47.5 362.7 -2.1 -146.5 -9 1132 No stop 20 48 30 =1654+866 14 29 08 47.5 362.7 -2.1 -146.9 81 1144 20 47 01 Schedule for MEDICINA (Code Mc ) 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 29 08 45.5 361.2 -2.6 -140.5 -9 1144 No stop 20 51 55 --- 14 32 34 45.6 361.2 -2.5 -141.4 196 1170 20 48 31 20 52 40 J1639+8631 14 33 19 47.5 362.6 -2.0 -148.0 36 1170 20 52 40 20 54 05 =1654+866 14 34 44 47.5 362.6 -2.0 -148.4 85 1181 20 52 41 20 54 05 PSJ1721+8842 14 34 44 45.6 361.1 -2.5 -142.0 -9 1181 No stop 20 57 30 --- 14 38 10 45.6 361.1 -2.4 -142.8 196 1208 20 54 06 20 57 30 J1639+8631 14 38 10 47.6 362.5 -1.9 -149.3 -9 1208 No stop 20 59 00 =1654+866 14 39 40 47.6 362.5 -1.9 -149.7 81 1219 20 57 31 20 59 00 PSJ1721+8842 14 39 40 45.6 361.1 -2.4 -143.2 -9 1219 No stop 21 02 25 --- 14 43 06 45.6 361.1 -2.3 -144.1 196 1246 20 59 01 21 03 10 J1639+8631 14 43 51 47.6 362.4 -1.8 -150.8 36 1246 21 03 10 21 04 35 =1654+866 14 45 16 47.6 362.4 -1.8 -151.2 85 1257 21 03 11 21 04 35 PSJ1721+8842 14 45 16 45.6 361.1 -2.3 -144.6 -9 1257 No stop 21 08 00 --- 14 48 42 45.6 361.0 -2.2 -145.5 196 1283 21 04 36 21 08 00 J1639+8631 14 48 42 47.6 362.3 -1.7 -152.1 -9 1283 No stop 21 09 30 =1654+866 14 50 12 47.7 362.3 -1.7 -152.5 81 1295 21 08 01 21 09 30 PSJ1721+8842 14 50 12 45.6 361.0 -2.2 -145.9 -9 1295 No stop 21 12 55 --- 14 53 37 45.6 361.0 -2.2 -146.8 196 1321 21 09 31 21 13 40 J1639+8631 14 54 23 47.7 362.2 -1.7 -153.6 36 1321 21 13 40 21 15 05 =1654+866 14 55 48 47.7 362.2 -1.6 -154.0 85 1332 21 13 41 21 15 05 PSJ1721+8842 14 55 48 45.6 361.0 -2.1 -147.3 -9 1332 No stop 21 18 30 --- 14 59 13 45.6 361.0 -2.1 -148.2 196 1358 21 15 06 21 18 30 J1639+8631 14 59 13 47.7 362.1 -1.6 -154.9 -9 1358 No stop 21 20 00 =1654+866 15 00 44 47.7 362.1 -1.5 -155.3 81 1370 21 18 31 21 20 00 PSJ1721+8842 15 00 44 45.7 361.0 -2.0 -148.6 -9 1370 No stop 21 23 25 --- 15 04 09 45.7 360.9 -2.0 -149.5 196 1396 21 20 01 21 24 10 J1639+8631 15 04 54 47.8 362.0 -1.5 -156.4 36 1396 21 24 10 21 25 35 =1654+866 15 06 19 47.8 361.9 -1.5 -156.8 85 1407 21 24 11 21 25 35 PSJ1721+8842 15 06 19 45.7 360.9 -2.0 -150.0 -9 1407 No stop 21 29 00 --- 15 09 45 45.7 360.9 -1.9 -150.9 196 1434 21 25 36 Schedule for MEDICINA (Code Mc ) Page 7 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 21 29 00 J1639+8631 15 09 45 47.8 361.9 -1.4 -157.7 -9 1434 No stop 21 30 30 =1654+866 15 11 15 47.8 361.8 -1.4 -158.1 81 1445 21 29 01 21 30 30 PSJ1721+8842 15 11 15 45.7 360.9 -1.9 -151.3 -9 1445 No stop 21 33 55 --- 15 14 41 45.7 360.9 -1.8 -152.1 196 1472 21 30 31 21 34 40 J1639+8631 15 15 26 47.8 361.7 -1.3 -159.2 36 1472 21 34 40 21 36 05 =1654+866 15 16 51 47.8 361.7 -1.3 -159.6 85 1483 21 34 41 21 36 05 PSJ1721+8842 15 16 51 45.7 360.8 -1.8 -152.7 -9 1483 No stop 21 39 30 --- 15 20 17 45.7 360.8 -1.7 -153.6 196 1509 21 36 06 21 39 30 J1639+8631 15 20 17 47.8 361.6 -1.2 -160.5 -9 1509 No stop 21 41 00 =1654+866 15 21 47 47.8 361.6 -1.2 -160.9 81 1521 21 39 31 21 41 00 PSJ1721+8842 15 21 47 45.7 360.8 -1.7 -154.0 -9 1521 No stop 21 44 25 --- 15 25 13 45.7 360.8 -1.6 -154.8 196 1547 21 41 01 21 45 10 J1639+8631 15 25 58 47.9 361.5 -1.1 -162.0 36 1547 21 45 10 21 46 35 =1654+866 15 27 23 47.9 361.5 -1.1 -162.3 85 1558 21 45 11 21 46 35 PSJ1721+8842 15 27 23 45.7 360.8 -1.6 -155.4 -9 1558 No stop 21 50 00 --- 15 30 48 45.7 360.7 -1.5 -156.3 196 1584 21 46 36 21 50 00 J1639+8631 15 30 48 47.9 361.4 -1.0 -163.3 -9 1584 No stop 21 51 30 =1654+866 15 32 19 47.9 361.4 -1.0 -163.7 81 1596 21 50 01 21 51 30 PSJ1721+8842 15 32 19 45.7 360.7 -1.5 -156.6 -9 1596 No stop 21 54 55 --- 15 35 44 45.7 360.7 -1.5 -157.5 196 1622 21 51 31 21 55 40 J1639+8631 15 36 29 47.9 361.3 -1.0 -164.8 36 1622 21 55 40 21 57 05 =1654+866 15 37 55 47.9 361.3 -0.9 -165.1 85 1633 21 55 41 21 57 05 PSJ1721+8842 15 37 55 45.7 360.7 -1.4 -158.1 -9 1633 No stop 22 00 30 --- 15 41 20 45.8 360.7 -1.4 -158.9 196 1660 21 57 06 22 00 30 J1639+8631 15 41 20 47.9 361.2 -0.9 -166.1 -9 1660 No stop 22 02 00 =1654+866 15 42 50 47.9 361.2 -0.8 -166.5 81 1671 22 00 31 22 02 00 PSJ1721+8842 15 42 50 45.8 360.7 -1.3 -159.3 -9 1671 No stop 22 05 25 --- 15 46 16 45.8 360.6 -1.3 -160.2 196 1698 22 02 01 22 06 10 J1639+8631 15 47 01 48.0 361.1 -0.8 -167.6 36 1698 22 06 10 22 07 35 =1654+866 15 48 26 48.0 361.0 -0.8 -167.9 85 1709 22 06 11 Schedule for MEDICINA (Code Mc ) 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 48 26 45.8 360.6 -1.3 -160.8 -9 1709 No stop 22 11 00 --- 15 51 52 45.8 360.6 -1.2 -161.6 196 1735 22 07 36 22 11 00 J1639+8631 15 51 52 48.0 361.0 -0.7 -168.9 -9 1735 No stop 22 12 30 =1654+866 15 53 22 48.0 360.9 -0.7 -169.3 81 1747 22 11 01 22 12 30 PSJ1721+8842 15 53 22 45.8 360.6 -1.2 -162.0 -9 1747 No stop 22 15 55 --- 15 56 48 45.8 360.5 -1.1 -162.9 196 1773 22 12 31 22 16 40 J1639+8631 15 57 33 48.0 360.8 -0.6 -170.4 36 1773 22 16 40 22 18 05 =1654+866 15 58 58 48.0 360.8 -0.6 -170.7 85 1784 22 16 41 22 18 05 PSJ1721+8842 15 58 58 45.8 360.5 -1.1 -163.5 -9 1784 No stop 22 21 30 --- 16 02 24 45.8 360.5 -1.0 -164.3 196 1811 22 18 06 22 21 30 J1639+8631 16 02 24 48.0 360.7 -0.5 -171.7 -9 1811 No stop 22 23 00 =1654+866 16 03 54 48.0 360.7 -0.5 -172.1 81 1822 22 21 31 22 23 00 PSJ1721+8842 16 03 54 45.8 360.5 -1.0 -164.7 -9 1822 No stop 22 26 25 --- 16 07 19 45.8 360.5 -0.9 -165.6 196 1849 22 23 01 22 27 10 J1639+8631 16 08 05 48.0 360.6 -0.4 -173.2 36 1849 22 27 10 22 28 35 =1654+866 16 09 30 48.0 360.6 -0.4 -173.6 85 1860 22 27 11 22 28 35 PSJ1721+8842 16 09 30 45.8 360.4 -0.9 -166.1 -9 1860 No stop 22 32 00 --- 16 12 55 45.8 360.4 -0.8 -167.0 196 1886 22 28 36 22 32 00 J1639+8631 16 12 55 48.0 360.5 -0.3 -174.5 -9 1886 No stop 22 33 30 =1654+866 16 14 26 48.0 360.4 -0.3 -174.9 81 1898 22 32 01 22 33 30 PSJ1721+8842 16 14 26 45.8 360.4 -0.8 -167.4 -9 1898 No stop 22 36 55 --- 16 17 51 45.8 360.4 -0.8 -168.3 196 1924 22 33 31 22 37 40 J1639+8631 16 18 36 48.0 360.3 -0.3 -176.0 36 1924 22 37 40 22 39 05 =1654+866 16 20 02 48.0 360.3 -0.2 -176.4 85 1935 22 37 41 22 39 05 PSJ1721+8842 16 20 02 45.8 360.4 -0.7 -168.8 -9 1935 No stop 22 42 30 --- 16 23 27 45.8 360.3 -0.7 -169.7 196 1961 22 39 06 22 42 30 J1639+8631 16 23 27 48.0 360.2 -0.2 -177.3 -9 1961 No stop 22 44 00 =1654+866 16 24 57 48.0 360.2 -0.1 -177.7 81 1973 22 42 31 22 44 00 PSJ1721+8842 16 24 57 45.8 360.3 -0.6 -170.1 -9 1973 No stop 22 47 25 --- 16 28 23 45.8 360.3 -0.6 -171.0 196 1999 22 44 01 Schedule for MEDICINA (Code Mc ) 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 29 08 48.0 360.1 -0.1 -178.8 36 1999 22 48 10 22 49 35 =1654+866 16 30 33 48.0 360.1 -0.1 -179.2 85 2010 22 48 11 22 49 35 PSJ1721+8842 16 30 33 45.8 360.3 -0.6 -171.5 -9 2010 No stop 22 53 00 --- 16 33 59 45.8 360.2 -0.5 -172.4 196 2037 22 49 36 22 53 00 J1639+8631 16 33 59 48.0 360.0 0.0 179.9 -9 2037 No stop 22 54 30 =1654+866 16 35 29 48.0 360.0 0.0 179.5 81 2048 22 53 01 22 54 30 PSJ1721+8842 16 35 29 45.8 360.2 -0.5 -172.8 -9 2048 No stop 22 57 55 --- 16 38 55 45.8 360.2 -0.4 -173.7 196 2075 22 54 31 22 58 40 J1639+8631 16 39 40 48.0 359.9 0.1 178.4 36 2075 22 58 40 23 00 05 =1654+866 16 41 05 48.0 359.8 0.1 178.0 85 2086 22 58 41 23 00 05 PSJ1721+8842 16 41 05 45.8 360.2 -0.4 -174.2 -9 2086 No stop 23 03 30 --- 16 44 31 45.8 360.2 -0.3 -175.1 196 2112 23 00 06 23 03 30 J1639+8631 16 44 31 48.0 359.8 0.2 177.1 -9 2112 No stop 23 05 00 =1654+866 16 46 01 48.0 359.7 0.2 176.7 81 2124 23 03 31 23 05 00 PSJ1721+8842 16 46 01 45.8 360.1 -0.3 -175.5 -9 2124 No stop 23 08 25 --- 16 49 26 45.8 360.1 -0.2 -176.4 196 2150 23 05 01 23 09 10 J1639+8631 16 50 11 48.0 359.6 0.3 175.6 36 2150 23 09 10 23 10 35 =1654+866 16 51 37 48.0 359.6 0.3 175.2 85 2161 23 09 11 23 10 35 PSJ1721+8842 16 51 37 45.8 360.1 -0.2 -176.9 -9 2161 No stop 23 14 00 --- 16 55 02 45.8 360.1 -0.1 -177.8 196 2187 23 10 36 23 14 00 J1639+8631 16 55 02 48.0 359.5 0.4 174.3 -9 2187 No stop 23 15 30 =1654+866 16 56 33 48.0 359.5 0.4 173.9 81 2199 23 14 01 23 15 30 PSJ1721+8842 16 56 33 45.8 360.1 -0.1 -178.2 -9 2199 No stop 23 18 55 --- 16 59 58 45.8 360.0 -0.1 -179.1 196 2225 23 15 31 23 19 40 J1639+8631 17 00 43 48.0 359.4 0.5 172.8 36 2225 23 19 40 23 21 05 =1654+866 17 02 08 48.0 359.4 0.5 172.4 85 2236 23 19 41 23 21 05 PSJ1721+8842 17 02 08 45.8 360.0 -0.0 -179.6 -9 2236 No stop 23 24 30 --- 17 05 34 45.8 360.0 0.0 179.5 196 2263 23 21 06 23 24 30 J1639+8631 17 05 34 48.0 359.3 0.5 171.5 -9 2263 No stop 23 26 00 =1654+866 17 07 04 48.0 359.2 0.6 171.1 81 2274 23 24 31 Schedule for MEDICINA (Code Mc ) Page 10 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 23 26 00 PSJ1721+8842 17 07 04 45.8 360.0 0.1 179.1 -9 2274 No stop 23 29 25 --- 17 10 30 45.8 359.9 0.1 178.2 196 2301 23 26 01 23 30 10 J1639+8631 17 11 15 48.0 359.1 0.6 170.0 36 2301 23 30 10 23 31 35 =1654+866 17 12 40 48.0 359.1 0.6 169.6 85 2312 23 30 11 23 31 35 PSJ1721+8842 17 12 40 45.8 359.9 0.2 177.7 -9 2312 No stop 23 35 00 --- 17 16 06 45.8 359.9 0.2 176.8 196 2338 23 31 36 23 35 00 J1639+8631 17 16 06 48.0 359.0 0.7 168.7 -9 2338 No stop 23 36 30 =1654+866 17 17 36 48.0 359.0 0.7 168.3 81 2350 23 35 01 23 36 30 PSJ1721+8842 17 17 36 45.8 359.9 0.2 176.4 -9 2350 No stop 23 39 55 --- 17 21 02 45.8 359.9 0.3 175.6 196 2376 23 36 31 23 40 40 J1639+8631 17 21 47 47.9 358.9 0.8 167.2 36 2376 23 40 40 23 42 05 =1654+866 17 23 12 47.9 358.9 0.8 166.8 85 2387 23 40 41 23 42 05 PSJ1721+8842 17 23 12 45.8 359.8 0.3 175.0 -9 2387 No stop 23 45 30 --- 17 26 37 45.8 359.8 0.4 174.1 196 2413 23 42 06 23 45 30 J1639+8631 17 26 37 47.9 358.8 0.9 165.9 -9 2413 No stop 23 47 00 =1654+866 17 28 08 47.9 358.8 0.9 165.5 81 2425 23 45 31 23 47 00 PSJ1721+8842 17 28 08 45.8 359.8 0.4 173.7 -9 2425 No stop 23 50 25 --- 17 31 33 45.8 359.8 0.5 172.9 196 2451 23 47 01 23 51 10 J1639+8631 17 32 18 47.9 358.7 1.0 164.4 36 2451 23 51 10 23 52 35 =1654+866 17 33 44 47.9 358.6 1.0 164.0 85 2462 23 51 11 23 52 35 PSJ1721+8842 17 33 44 45.8 359.8 0.5 172.3 -9 2462 No stop 23 56 00 --- 17 37 09 45.8 359.7 0.6 171.4 196 2489 23 52 36 23 56 00 J1639+8631 17 37 09 47.9 358.6 1.1 163.1 -9 2489 No stop 23 57 30 =1654+866 17 38 39 47.9 358.5 1.1 162.7 81 2500 23 56 01 --- Sat 5 Jun 2021 Day 156 --- 00 02 30 3C454.3 17 43 40 19.9 446.5 -5.2 -47.8 180 2500 00 02 30 00 07 30 --- 17 48 41 20.8 447.3 -5.1 -47.9 300 2539 00 02 31 00 12 30 J1639+8631 17 53 42 47.8 358.2 1.3 158.7 177 2539 00 12 30 00 17 30 =1654+866 17 58 43 47.8 358.1 1.4 157.4 300 2578 00 12 31 Schedule for MEDICINA (Code Mc ) 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 58 43 45.8 359.5 0.9 165.9 -9 2578 No stop 00 20 55 --- 18 02 08 45.8 359.5 1.0 165.0 196 2604 00 17 31 00 21 40 J1639+8631 18 02 53 47.8 358.0 1.5 156.3 36 2604 00 21 40 00 23 05 =1654+866 18 04 19 47.7 358.0 1.5 155.9 85 2615 00 21 41 00 23 05 PSJ1721+8842 18 04 19 45.8 359.5 1.0 164.5 -9 2615 No stop 00 26 30 --- 18 07 44 45.8 359.5 1.1 163.6 196 2641 00 23 06 00 26 30 J1639+8631 18 07 44 47.7 357.9 1.6 155.0 -8 2641 No stop 00 28 00 =1654+866 18 09 14 47.7 357.9 1.6 154.6 82 2653 00 26 31 00 28 00 PSJ1721+8842 18 09 14 45.8 359.5 1.1 163.2 -8 2653 No stop 00 31 25 --- 18 12 40 45.8 359.4 1.2 162.3 197 2679 00 28 01 00 32 10 J1639+8631 18 13 25 47.7 357.8 1.7 153.5 37 2679 00 32 10 00 33 35 =1654+866 18 14 50 47.7 357.8 1.7 153.1 85 2690 00 32 11 00 33 35 PSJ1721+8842 18 14 50 45.8 359.4 1.2 161.8 -8 2690 No stop 00 37 00 --- 18 18 16 45.8 359.4 1.2 160.9 197 2717 00 33 36 00 37 00 J1639+8631 18 18 16 47.6 357.7 1.7 152.2 -8 2717 No stop 00 38 30 =1654+866 18 19 46 47.6 357.7 1.8 151.8 82 2728 00 37 01 00 38 30 PSJ1721+8842 18 19 46 45.8 359.4 1.3 160.5 -8 2728 No stop 00 41 55 --- 18 23 12 45.8 359.4 1.3 159.7 197 2755 00 38 31 00 42 40 J1639+8631 18 23 57 47.6 357.6 1.8 150.7 37 2755 00 42 40 00 44 05 =1654+866 18 25 22 47.6 357.6 1.9 150.3 85 2766 00 42 41 00 44 05 PSJ1721+8842 18 25 22 45.8 359.3 1.4 159.1 -8 2766 No stop 00 47 30 --- 18 28 48 45.7 359.3 1.4 158.2 197 2792 00 44 06 00 47 30 J1639+8631 18 28 48 47.6 357.5 1.9 149.4 -8 2792 No stop 00 49 00 =1654+866 18 30 18 47.6 357.5 1.9 149.0 82 2804 00 47 31 00 49 00 PSJ1721+8842 18 30 18 45.7 359.3 1.4 157.8 -8 2804 No stop 00 52 25 --- 18 33 43 45.7 359.3 1.5 157.0 197 2830 00 49 01 00 53 10 J1639+8631 18 34 29 47.5 357.4 2.0 147.9 37 2830 00 53 10 00 54 35 =1654+866 18 35 54 47.5 357.4 2.0 147.5 85 2841 00 53 11 00 54 35 PSJ1721+8842 18 35 54 45.7 359.3 1.5 156.4 -8 2841 No stop 00 58 00 --- 18 39 19 45.7 359.2 1.6 155.5 197 2868 00 54 36 Schedule for MEDICINA (Code Mc ) 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 39 19 47.5 357.3 2.1 146.6 -8 2868 No stop 00 59 30 =1654+866 18 40 50 47.5 357.3 2.1 146.2 82 2879 00 58 01 00 59 30 PSJ1721+8842 18 40 50 45.7 359.2 1.6 155.2 -8 2879 No stop 01 02 55 --- 18 44 15 45.7 359.2 1.7 154.3 197 2906 00 59 31 01 03 40 J1639+8631 18 45 00 47.4 357.2 2.2 145.1 37 2906 01 03 40 01 05 05 =1654+866 18 46 26 47.4 357.2 2.2 144.8 85 2916 01 03 41 01 05 05 PSJ1721+8842 18 46 26 45.7 359.2 1.7 153.7 -8 2916 No stop 01 08 30 --- 18 49 51 45.7 359.2 1.8 152.9 197 2943 01 05 06 01 08 30 J1639+8631 18 49 51 47.4 357.1 2.3 143.9 -8 2943 No stop 01 10 00 =1654+866 18 51 21 47.4 357.1 2.3 143.5 82 2954 01 08 31 01 10 00 PSJ1721+8842 18 51 21 45.7 359.1 1.8 152.5 -8 2954 No stop 01 13 25 --- 18 54 47 45.7 359.1 1.9 151.6 197 2981 01 10 01 01 14 10 J1639+8631 18 55 32 47.3 357.0 2.4 142.4 37 2981 01 14 10 01 15 35 =1654+866 18 56 57 47.3 357.0 2.4 142.0 85 2992 01 14 11 01 15 35 PSJ1721+8842 18 56 57 45.7 359.1 1.9 151.0 -8 2992 No stop 01 19 00 --- 19 00 23 45.7 359.1 1.9 150.2 197 3018 01 15 36 01 19 00 J1639+8631 19 00 23 47.3 356.9 2.4 141.1 -8 3018 No stop 01 20 30 =1654+866 19 01 53 47.3 356.9 2.5 140.7 82 3030 01 19 01 01 20 30 PSJ1721+8842 19 01 53 45.7 359.1 2.0 149.8 -8 3030 No stop 01 23 55 --- 19 05 19 45.7 359.0 2.0 148.9 197 3056 01 20 31 01 24 40 J1639+8631 19 06 04 47.2 356.8 2.5 139.6 37 3056 01 24 40 01 26 05 =1654+866 19 07 29 47.2 356.8 2.6 139.2 85 3067 01 24 41 01 26 05 PSJ1721+8842 19 07 29 45.6 359.0 2.1 148.4 -8 3067 No stop 01 29 30 --- 19 10 55 45.6 359.0 2.1 147.5 197 3094 01 26 06 01 29 30 J1639+8631 19 10 55 47.2 356.7 2.6 138.3 -8 3094 No stop 01 31 00 =1654+866 19 12 25 47.2 356.7 2.6 138.0 82 3105 01 29 31 01 31 00 PSJ1721+8842 19 12 25 45.6 359.0 2.1 147.1 -8 3105 No stop 01 34 25 --- 19 15 50 45.6 359.0 2.2 146.2 197 3132 01 31 01 01 35 10 J1639+8631 19 16 35 47.1 356.6 2.7 136.9 37 3132 01 35 10 01 36 35 =1654+866 19 18 01 47.1 356.6 2.7 136.5 85 3143 01 35 11 Schedule for MEDICINA (Code Mc ) Page 13 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 5 Jun 2021 Day 156 --- 01 36 35 PSJ1721+8842 19 18 01 45.6 359.0 2.2 145.7 -8 3143 No stop 01 40 00 --- 19 21 26 45.6 358.9 2.3 144.8 197 3169 01 36 36 01 40 00 J1639+8631 19 21 26 47.1 356.6 2.8 135.6 -8 3169 No stop 01 41 30 =1654+866 19 22 57 47.1 356.5 2.8 135.2 82 3181 01 40 01 01 41 30 PSJ1721+8842 19 22 57 45.6 358.9 2.3 144.4 -8 3181 No stop 01 44 55 --- 19 26 22 45.6 358.9 2.4 143.5 197 3207 01 41 31 01 45 40 J1639+8631 19 27 07 47.0 356.5 2.9 134.1 38 3207 01 45 40 01 47 05 =1654+866 19 28 32 47.0 356.4 2.9 133.7 85 3218 01 45 41 01 47 05 PSJ1721+8842 19 28 32 45.6 358.9 2.4 143.0 -7 3218 No stop 01 50 30 --- 19 31 58 45.6 358.9 2.5 142.1 198 3244 01 47 06 01 50 30 J1639+8631 19 31 58 47.0 356.4 3.0 132.8 -7 3244 No stop 01 52 00 =1654+866 19 33 28 46.9 356.4 3.0 132.5 83 3256 01 50 31 01 52 00 PSJ1721+8842 19 33 28 45.6 358.9 2.5 141.7 -7 3256 No stop 01 55 25 --- 19 36 54 45.5 358.8 2.6 140.9 198 3282 01 52 01 01 56 10 J1639+8631 19 37 39 46.9 356.3 3.1 131.4 38 3282 01 56 10 01 57 35 =1654+866 19 39 04 46.9 356.3 3.1 131.0 85 3293 01 56 11 01 57 35 PSJ1721+8842 19 39 04 45.5 358.8 2.6 140.3 -7 3293 No stop 02 01 00 --- 19 42 30 45.5 358.8 2.6 139.4 198 3320 01 57 36 02 01 00 J1639+8631 19 42 30 46.8 356.2 3.1 130.1 -7 3320 No stop 02 02 30 =1654+866 19 44 00 46.8 356.2 3.2 129.7 83 3331 02 01 01 02 02 30 PSJ1721+8842 19 44 00 45.5 358.8 2.7 139.1 -7 3331 No stop 02 05 55 --- 19 47 26 45.5 358.8 2.7 138.2 198 3358 02 02 31 02 06 40 J1639+8631 19 48 11 46.8 356.2 3.2 128.6 38 3358 02 06 40 02 08 05 =1654+866 19 49 36 46.8 356.1 3.3 128.3 85 3369 02 06 41 02 08 05 PSJ1721+8842 19 49 36 45.5 358.8 2.8 137.6 -7 3369 No stop 02 11 30 --- 19 53 01 45.5 358.7 2.8 136.8 198 3395 02 08 06 02 11 30 J1639+8631 19 53 01 46.7 356.1 3.3 127.4 -7 3395 No stop 02 13 00 =1654+866 19 54 32 46.7 356.1 3.3 127.0 83 3407 02 11 31 02 13 00 PSJ1721+8842 19 54 32 45.5 358.7 2.8 136.4 -7 3407 No stop 02 16 25 --- 19 57 57 45.5 358.7 2.9 135.5 198 3433 02 13 01 Schedule for MEDICINA (Code Mc ) 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 58 42 46.6 356.0 3.4 125.9 38 3433 02 17 10 02 18 35 =1654+866 20 00 08 46.6 356.0 3.4 125.5 85 3444 02 17 11 02 18 35 PSJ1721+8842 20 00 08 45.5 358.7 2.9 135.0 -8 3444 No stop 02 22 00 --- 20 03 33 45.4 358.7 3.0 134.1 197 3470 02 18 36 02 22 00 J1639+8631 20 03 33 46.6 355.9 3.5 124.6 -8 3470 No stop 02 23 30 =1654+866 20 05 03 46.6 355.9 3.5 124.2 82 3482 02 22 01 02 23 30 PSJ1721+8842 20 05 03 45.4 358.7 3.0 133.7 -8 3482 No stop 02 26 55 --- 20 08 29 45.4 358.6 3.1 132.8 197 3508 02 23 31 02 27 40 J1639+8631 20 09 14 46.5 355.9 3.6 123.2 37 3508 02 27 40 02 29 05 =1654+866 20 10 39 46.5 355.9 3.6 122.8 85 3519 02 27 41 02 29 05 PSJ1721+8842 20 10 39 45.4 358.6 3.1 132.3 -8 3519 No stop 02 32 30 --- 20 14 05 45.4 358.6 3.2 131.4 197 3546 02 29 06 02 32 30 J1639+8631 20 14 05 46.5 355.8 3.7 121.9 -8 3546 No stop 02 34 00 =1654+866 20 15 35 46.4 355.8 3.7 121.5 82 3557 02 32 31 02 34 00 PSJ1721+8842 20 15 35 45.4 358.6 3.2 131.0 -8 3557 No stop 02 37 25 --- 20 19 01 45.4 358.6 3.3 130.2 197 3584 02 34 01 02 38 10 J1639+8631 20 19 46 46.4 355.8 3.8 120.5 37 3584 02 38 10 02 39 35 =1654+866 20 21 11 46.4 355.7 3.8 120.1 85 3595 02 38 11 02 39 35 PSJ1721+8842 20 21 11 45.4 358.6 3.3 129.6 -8 3595 No stop 02 43 00 --- 20 24 37 45.4 358.6 3.3 128.7 197 3621 02 39 36 02 43 00 J1639+8631 20 24 37 46.3 355.7 3.8 119.2 -8 3621 No stop 02 44 30 =1654+866 20 26 07 46.3 355.7 3.9 118.8 82 3633 02 43 01 02 44 30 PSJ1721+8842 20 26 07 45.3 358.5 3.4 128.4 -8 3633 No stop 02 47 55 --- 20 29 32 45.3 358.5 3.4 127.5 197 3659 02 44 31 02 48 40 J1639+8631 20 30 18 46.2 355.6 3.9 117.7 37 3659 02 48 40 02 50 05 =1654+866 20 31 43 46.2 355.6 4.0 117.4 85 3670 02 48 41 02 50 05 PSJ1721+8842 20 31 43 45.3 358.5 3.5 126.9 -8 3670 No stop 02 53 30 --- 20 35 08 45.3 358.5 3.5 126.1 197 3696 02 50 06 02 53 30 J1639+8631 20 35 08 46.2 355.6 4.0 116.5 -8 3696 No stop 02 55 00 =1654+866 20 36 39 46.2 355.6 4.0 116.1 82 3708 02 53 31 Schedule for MEDICINA (Code Mc ) 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 36 39 45.3 358.5 3.5 125.7 -8 3708 No stop 02 58 25 --- 20 40 04 45.3 358.5 3.6 124.8 197 3734 02 55 01 02 59 10 J1639+8631 20 40 49 46.1 355.5 4.1 115.0 37 3734 02 59 10 03 00 35 =1654+866 20 42 15 46.1 355.5 4.1 114.7 85 3745 02 59 11 03 00 35 PSJ1721+8842 20 42 15 45.3 358.5 3.6 124.3 -8 3745 No stop 03 04 00 --- 20 45 40 45.3 358.5 3.7 123.4 197 3772 03 00 36 03 04 00 J1639+8631 20 45 40 46.0 355.5 4.2 113.8 -8 3772 No stop 03 05 30 =1654+866 20 47 10 46.0 355.5 4.2 113.4 82 3783 03 04 01 03 05 30 PSJ1721+8842 20 47 10 45.3 358.4 3.7 123.0 -8 3783 No stop 03 08 55 --- 20 50 36 45.2 358.4 3.8 122.2 197 3810 03 05 31 03 09 40 J1639+8631 20 51 21 45.9 355.4 4.3 112.3 37 3810 03 09 40 03 11 05 =1654+866 20 52 46 45.9 355.4 4.3 112.0 85 3821 03 09 41 03 11 05 PSJ1721+8842 20 52 46 45.2 358.4 3.8 121.6 -8 3821 No stop 03 14 30 --- 20 56 12 45.2 358.4 3.9 120.7 197 3847 03 11 06 03 14 30 J1639+8631 20 56 12 45.9 355.4 4.4 111.1 -8 3847 No stop 03 16 00 =1654+866 20 57 42 45.9 355.4 4.4 110.7 82 3859 03 14 31 03 16 00 PSJ1721+8842 20 57 42 45.2 358.4 3.9 120.4 -8 3859 No stop 03 19 25 --- 21 01 08 45.2 358.4 4.0 119.5 197 3885 03 16 01 03 20 10 J1639+8631 21 01 53 45.8 355.4 4.5 109.7 37 3885 03 20 10 03 21 35 =1654+866 21 03 18 45.8 355.4 4.5 109.3 85 3896 03 20 11 03 21 35 PSJ1721+8842 21 03 18 45.2 358.4 4.0 118.9 -8 3896 No stop 03 25 00 --- 21 06 44 45.2 358.4 4.1 118.1 197 3923 03 21 36 03 25 00 J1639+8631 21 06 44 45.7 355.3 4.6 108.4 -8 3923 No stop 03 26 30 =1654+866 21 08 14 45.7 355.3 4.6 108.0 82 3934 03 25 01 03 26 30 PSJ1721+8842 21 08 14 45.1 358.4 4.1 117.7 -8 3934 No stop 03 29 55 --- 21 11 39 45.1 358.3 4.1 116.8 197 3961 03 26 31 03 30 40 J1639+8631 21 12 24 45.6 355.3 4.6 107.0 37 3961 03 30 40 03 32 05 =1654+866 21 13 50 45.6 355.3 4.7 106.6 85 3972 03 30 41 03 32 05 PSJ1721+8842 21 13 50 45.1 358.3 4.2 116.3 -8 3972 No stop 03 35 30 --- 21 17 15 45.1 358.3 4.2 115.4 197 3998 03 32 06 Schedule for MEDICINA (Code Mc ) Page 16 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 5 Jun 2021 Day 156 --- 03 35 30 J1639+8631 21 17 15 45.6 355.3 4.7 105.8 -8 3998 No stop 03 37 00 =1654+866 21 18 45 45.6 355.2 4.8 105.4 82 4010 03 35 31 03 37 00 PSJ1721+8842 21 18 45 45.1 358.3 4.3 115.0 -8 4010 No stop 03 40 25 --- 21 22 11 45.1 358.3 4.3 114.2 197 4036 03 37 01 03 41 10 J1639+8631 21 22 56 45.5 355.2 4.8 104.3 37 4036 03 41 10 03 42 35 =1654+866 21 24 21 45.5 355.2 4.8 103.9 85 4047 03 41 11 03 42 35 PSJ1721+8842 21 24 21 45.1 358.3 4.3 113.6 -8 4047 No stop 03 46 00 --- 21 27 47 45.0 358.3 4.4 112.8 197 4073 03 42 36 03 46 00 J1639+8631 21 27 47 45.4 355.2 4.9 103.1 -8 4073 No stop 03 47 30 =1654+866 21 29 17 45.4 355.2 4.9 102.7 82 4085 03 46 01 03 47 30 PSJ1721+8842 21 29 17 45.0 358.3 4.4 112.4 -8 4085 No stop 03 50 55 --- 21 32 43 45.0 358.3 4.5 111.5 197 4111 03 47 31 03 51 40 J1639+8631 21 33 28 45.3 355.2 5.0 101.6 37 4111 03 51 40 03 53 05 =1654+866 21 34 53 45.3 355.2 5.0 101.3 85 4122 03 51 41 03 53 05 PSJ1721+8842 21 34 53 45.0 358.3 4.5 111.0 -8 4122 No stop 03 56 30 --- 21 38 19 45.0 358.3 4.6 110.1 197 4149 03 53 06 03 56 30 J1639+8631 21 38 19 45.3 355.2 5.1 100.4 -8 4149 No stop 03 58 00 =1654+866 21 39 49 45.2 355.1 5.1 100.0 82 4160 03 56 31 03 58 00 PSJ1721+8842 21 39 49 45.0 358.3 4.6 109.7 -8 4160 No stop 04 01 25 --- 21 43 15 45.0 358.2 4.7 108.9 197 4187 03 58 01 04 02 10 J1639+8631 21 44 00 45.2 355.1 5.2 99.0 37 4187 04 02 10 04 03 35 =1654+866 21 45 25 45.2 355.1 5.2 98.6 85 4198 04 02 11 04 03 35 PSJ1721+8842 21 45 25 44.9 358.2 4.7 108.3 -8 4198 No stop 04 07 00 --- 21 48 50 44.9 358.2 4.8 107.5 197 4224 04 03 36 04 07 00 J1639+8631 21 48 50 45.1 355.1 5.3 97.8 -8 4224 No stop 04 08 30 =1654+866 21 50 21 45.1 355.1 5.3 97.4 82 4236 04 07 01 04 13 30 3C84 21 55 21 33.0 421.9 -5.4 -57.2 208 4236 04 13 30 04 18 30 --- 22 00 22 33.8 422.5 -5.3 -57.7 300 4274 04 13 31 04 23 30 J1639+8631 22 05 23 44.8 355.1 5.5 93.6 206 4274 04 23 30 04 28 30 =1654+866 22 10 24 44.8 355.1 5.6 92.4 300 4313 04 23 31 Schedule for MEDICINA (Code Mc ) Page 17 Resolving a gravitationally lensed dual back-hole system at z = 2.37 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 5 Jun 2021 Day 156 --- 04 28 30 PSJ1721+8842 22 10 24 44.8 358.2 5.1 102.0 -8 4313 No stop 04 31 55 --- 22 13 50 44.8 358.2 5.2 101.2 197 4339 04 28 31 04 32 40 J1639+8631 22 14 35 44.7 355.1 5.7 91.3 37 4339 04 32 40 04 34 05 =1654+866 22 16 00 44.7 355.1 5.7 91.0 85 4350 04 32 41 04 34 05 PSJ1721+8842 22 16 00 44.8 358.2 5.2 100.6 -8 4350 No stop 04 37 30 --- 22 19 25 44.8 358.2 5.3 99.8 197 4377 04 34 06 04 37 30 J1639+8631 22 19 25 44.6 355.1 5.8 90.1 -8 4377 No stop 04 39 00 =1654+866 22 20 56 44.6 355.1 5.8 89.7 82 4388 04 37 31 04 39 00 PSJ1721+8842 22 20 56 44.8 358.2 5.3 99.4 -8 4388 No stop 04 42 25 --- 22 24 21 44.7 358.2 5.3 98.5 197 4415 04 39 01 04 43 10 J1639+8631 22 25 06 44.5 355.1 5.9 88.7 37 4415 04 43 10 04 44 35 =1654+866 22 26 32 44.5 355.1 5.9 88.3 85 4426 04 43 11 04 44 35 PSJ1721+8842 22 26 32 44.7 358.2 5.4 98.0 -8 4426 No stop 04 48 00 --- 22 29 57 44.7 358.2 5.4 97.1 197 4452 04 44 36 04 48 00 J1639+8631 22 29 57 44.5 355.1 5.9 87.5 -8 4452 No stop 04 49 30 =1654+866 22 31 27 44.4 355.1 6.0 87.1 82 4464 04 48 01 04 49 30 PSJ1721+8842 22 31 27 44.7 358.2 5.5 96.8 -8 4464 No stop 04 52 55 --- 22 34 53 44.7 358.2 5.5 95.9 197 4490 04 49 31 04 53 40 J1639+8631 22 35 38 44.4 355.1 6.0 86.1 37 4490 04 53 40 04 55 05 =1654+866 22 37 03 44.4 355.1 6.1 85.7 85 4501 04 53 41 04 55 05 PSJ1721+8842 22 37 03 44.7 358.2 5.6 95.4 -8 4501 No stop 04 58 30 --- 22 40 29 44.6 358.2 5.6 94.5 197 4527 04 55 06 04 58 30 J1639+8631 22 40 29 44.3 355.1 6.1 84.9 -8 4527 No stop 05 00 00 =1654+866 22 41 59 44.3 355.1 6.1 84.5 82 4539 04 58 31 05 00 00 PSJ1721+8842 22 41 59 44.6 358.2 5.6 94.1 -8 4539 No stop 05 03 25 --- 22 45 25 44.6 358.2 5.7 93.3 197 4565 05 00 01 05 04 10 J1639+8631 22 46 10 44.2 355.1 6.2 83.5 37 4565 05 04 10 05 05 35 =1654+866 22 47 35 44.2 355.1 6.2 83.1 85 4576 05 04 11 05 05 35 PSJ1721+8842 22 47 35 44.6 358.2 5.7 92.7 -8 4576 No stop 05 09 00 --- 22 51 01 44.6 358.2 5.8 91.9 197 4603 05 05 36 Schedule for MEDICINA (Code Mc ) 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 51 01 44.2 355.1 6.3 82.3 -8 4603 No stop 05 10 30 =1654+866 22 52 31 44.1 355.1 6.3 81.9 82 4614 05 09 01 05 10 30 PSJ1721+8842 22 52 31 44.6 358.2 5.8 91.5 -8 4614 No stop 05 13 55 --- 22 55 56 44.5 358.1 5.9 90.6 197 4641 05 10 31 05 14 40 J1639+8631 22 56 42 44.1 355.1 6.4 80.8 37 4641 05 14 40 05 16 05 =1654+866 22 58 07 44.0 355.1 6.4 80.5 85 4652 05 14 41 05 16 05 PSJ1721+8842 22 58 07 44.5 358.1 5.9 90.1 -8 4652 No stop 05 19 30 --- 23 01 32 44.5 358.1 6.0 89.2 197 4678 05 16 06 05 19 30 J1639+8631 23 01 32 44.0 355.2 6.5 79.7 -8 4678 No stop 05 21 00 =1654+866 23 03 03 44.0 355.2 6.5 79.3 82 4690 05 19 31 05 21 00 PSJ1721+8842 23 03 03 44.5 358.1 6.0 88.9 -8 4690 No stop 05 24 25 --- 23 06 28 44.5 358.2 6.0 88.0 197 4716 05 21 01 05 25 10 J1639+8631 23 07 13 43.9 355.2 6.6 78.3 37 4716 05 25 10 05 26 35 =1654+866 23 08 38 43.9 355.2 6.6 77.9 85 4727 05 25 11 05 26 35 PSJ1721+8842 23 08 38 44.5 358.2 6.1 87.5 -8 4727 No stop 05 30 00 --- 23 12 04 44.5 358.2 6.1 86.6 197 4753 05 26 36 05 30 00 J1639+8631 23 12 04 43.8 355.2 6.6 77.1 -8 4753 No stop 05 31 30 =1654+866 23 13 34 43.8 355.2 6.7 76.7 82 4765 05 30 01 05 31 30 PSJ1721+8842 23 13 34 44.4 358.2 6.2 86.2 -8 4765 No stop 05 34 55 --- 23 17 00 44.4 358.2 6.2 85.4 197 4791 05 31 31 05 35 40 J1639+8631 23 17 45 43.7 355.2 6.7 75.7 37 4791 05 35 40 05 37 05 =1654+866 23 19 10 43.7 355.2 6.8 75.3 85 4802 05 35 41 05 37 05 PSJ1721+8842 23 19 10 44.4 358.2 6.3 84.8 -8 4802 No stop 05 40 30 --- 23 22 36 44.4 358.2 6.3 84.0 197 4829 05 37 06 05 40 30 J1639+8631 23 22 36 43.7 355.3 6.8 74.5 -8 4829 No stop 05 42 00 =1654+866 23 24 06 43.7 355.3 6.8 74.1 82 4840 05 40 31 05 42 00 PSJ1721+8842 23 24 06 44.4 358.2 6.3 83.6 -8 4840 No stop 05 45 25 --- 23 27 32 44.4 358.2 6.4 82.7 197 4867 05 42 01 05 46 10 J1639+8631 23 28 17 43.6 355.3 6.9 73.1 37 4867 05 46 10 05 47 35 =1654+866 23 29 42 43.6 355.3 6.9 72.7 85 4878 05 46 11 Schedule for MEDICINA (Code Mc ) 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 29 42 44.4 358.2 6.4 82.2 -8 4878 No stop 05 51 00 --- 23 33 08 44.3 358.2 6.5 81.4 197 4904 05 47 36 05 51 00 J1639+8631 23 33 08 43.5 355.3 7.0 71.9 -8 4904 No stop 05 52 30 =1654+866 23 34 38 43.5 355.3 7.0 71.5 82 4916 05 51 01 05 52 30 PSJ1721+8842 23 34 38 44.3 358.2 6.5 81.0 -8 4916 No stop 05 55 55 --- 23 38 03 44.3 358.2 6.6 80.1 197 4942 05 52 31 05 56 35 J1639+8631 23 38 43 43.4 355.4 7.1 70.5 32 4942 05 56 35 05 58 00 =1654+866 23 40 09 43.4 355.4 7.1 70.2 85 4953 05 56 36 05 58 00 PSJ1721+8842 23 40 09 44.3 358.2 6.6 79.6 -8 4953 No stop 06 00 00 --- 23 42 09 44.3 358.2 6.6 79.1 112 4969 05 58 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.L1024 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 8 Station: MEDICINA 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= 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 4 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= 331.49 331.49 331.49 331.49 395.49 395.49 395.49 395.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 4 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