COVER INFORMATION Station: KNOCKIN (Code Kn ) Experiment: Observations of radio-quiet quasars: SDSSJ1258+1657 Exp. Code: EJ027C Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Neal Jackson Address: University of Manchester Turing Building Manchester M13 9PL U.K. Phone: +44 161 275 4080 EMAIL: neal.jackson@manchester.ac.uk Fax: +44 275 4297 Phone during observation: +44 161 275 4080 Observing mode: MKIV Notes: Schedule for KNOCKIN (Code Kn ) Page 2 Observations of radio-quiet quasars: SDSSJ1258+1657 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 ---------------------------------------------------------------------------------------- --- Thu 9 Mar 2023 Day 68 --- ---------- Fringe Finder ---------- Next scan frequencies: 1626.49 1626.49 Next BBC frequencies: 645.51 645.51 Next scan bandwidths: 64.00 64.00 20 30 00 4C39.25 07 27 06 65.0 111.5 -2.0 -46.4 0 0 20 30 00 20 35 00 --- 07 32 07 65.7 113.1 -1.9 -45.7 300 19 20 30 01 20 38 00 J1255+1817 07 35 07 20.1 86.2 -5.4 -39.4 20 19 20 38 00 20 43 00 --- 07 40 08 20.9 87.2 -5.3 -39.5 300 39 20 38 01 20 43 00 SDSSJ1258+16 07 40 08 19.4 87.5 -5.3 -39.1 -21 39 No stop 20 48 00 --- 07 45 09 20.2 88.5 -5.2 -39.2 279 58 20 43 01 20 48 40 J1255+1817 07 45 49 21.8 88.3 -5.2 -39.5 19 58 20 48 40 20 50 10 --- 07 47 19 22.0 88.6 -5.2 -39.5 90 64 20 48 41 20 50 10 SDSSJ1258+16 07 47 19 20.5 89.0 -5.2 -39.2 -21 64 No stop 20 55 10 --- 07 52 20 21.3 89.9 -5.1 -39.2 279 83 20 50 11 20 55 10 J1255+1817 07 52 20 22.7 89.6 -5.1 -39.5 -21 83 No stop 20 56 40 --- 07 53 50 23.0 89.9 -5.0 -39.5 69 89 20 55 11 20 56 40 SDSSJ1258+16 07 53 50 21.5 90.2 -5.1 -39.2 -21 89 No stop 21 01 40 --- 07 58 51 22.3 91.3 -5.0 -39.2 279 108 20 56 41 21 02 20 J1255+1817 07 59 31 23.8 91.0 -5.0 -39.5 19 108 21 02 20 21 03 50 --- 08 01 01 24.1 91.3 -4.9 -39.5 90 114 21 02 21 21 03 50 SDSSJ1258+16 08 01 01 22.6 91.7 -5.0 -39.2 -21 114 No stop 21 08 50 --- 08 06 02 23.3 92.7 -4.9 -39.1 279 133 21 03 51 21 08 50 J1255+1817 08 06 02 24.8 92.3 -4.8 -39.5 -21 133 No stop 21 10 20 --- 08 07 33 25.0 92.6 -4.8 -39.5 69 139 21 08 51 21 10 20 SDSSJ1258+16 08 07 33 23.6 93.0 -4.9 -39.1 -21 139 No stop 21 15 20 --- 08 12 33 24.3 94.0 -4.8 -39.1 279 158 21 10 21 21 16 00 J1255+1817 08 13 13 25.9 93.8 -4.7 -39.4 19 158 21 16 00 21 17 30 --- 08 14 44 26.1 94.1 -4.7 -39.4 90 164 21 16 01 21 17 30 SDSSJ1258+16 08 14 44 24.7 94.5 -4.7 -39.0 -21 164 No stop 21 22 30 --- 08 19 45 25.4 95.5 -4.7 -39.0 279 184 21 17 31 Schedule for KNOCKIN (Code Kn ) Page 3 Observations of radio-quiet quasars: SDSSJ1258+1657 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 ---------------------------------------------------------------------------------------- --- Thu 9 Mar 2023 Day 68 --- 21 22 30 J1255+1817 08 19 45 26.9 95.1 -4.6 -39.3 -21 184 No stop 21 24 00 --- 08 21 15 27.1 95.4 -4.6 -39.3 69 189 21 22 31 21 24 00 SDSSJ1258+16 08 21 15 25.6 95.8 -4.6 -38.9 -21 189 No stop 21 29 00 --- 08 26 16 26.4 96.8 -4.6 -38.9 279 209 21 24 01 21 29 40 J1255+1817 08 26 56 28.0 96.6 -4.5 -39.2 19 209 21 29 40 21 31 10 --- 08 28 26 28.2 96.9 -4.5 -39.2 90 214 21 29 41 21 31 10 SDSSJ1258+16 08 28 26 26.7 97.3 -4.5 -38.8 -21 214 No stop 21 36 10 --- 08 33 27 27.5 98.3 -4.4 -38.7 279 234 21 31 11 21 36 10 J1255+1817 08 33 27 28.9 98.0 -4.4 -39.1 -21 234 No stop 21 37 40 --- 08 34 57 29.2 98.3 -4.4 -39.0 69 240 21 36 11 21 37 40 SDSSJ1258+16 08 34 57 27.7 98.7 -4.4 -38.7 -21 240 No stop 21 42 40 --- 08 39 58 28.4 99.7 -4.3 -38.5 279 259 21 37 41 21 43 20 J1255+1817 08 40 38 30.0 99.5 -4.3 -38.9 19 259 21 43 20 21 44 50 --- 08 42 08 30.2 99.8 -4.2 -38.8 90 265 21 43 21 21 44 50 SDSSJ1258+16 08 42 08 28.8 100.2 -4.3 -38.4 -21 265 No stop 21 49 50 --- 08 47 09 29.5 101.3 -4.2 -38.3 279 284 21 44 51 21 49 50 J1255+1817 08 47 09 31.0 100.9 -4.2 -38.7 -21 284 No stop 21 51 20 --- 08 48 39 31.2 101.2 -4.1 -38.6 69 290 21 49 51 21 51 20 SDSSJ1258+16 08 48 39 29.7 101.6 -4.2 -38.2 -21 290 No stop 21 56 20 --- 08 53 40 30.5 102.7 -4.1 -38.1 279 309 21 51 21 21 57 00 J1255+1817 08 54 20 32.0 102.5 -4.0 -38.4 19 309 21 57 00 21 58 30 --- 08 55 50 32.3 102.8 -4.0 -38.4 90 315 21 57 01 21 58 30 SDSSJ1258+16 08 55 50 30.8 103.2 -4.1 -38.0 -21 315 No stop 22 03 30 --- 09 00 51 31.5 104.3 -4.0 -37.8 279 334 21 58 31 22 03 30 J1255+1817 09 00 51 33.0 103.9 -3.9 -38.2 -21 334 No stop 22 05 00 --- 09 02 21 33.2 104.2 -3.9 -38.1 69 340 22 03 31 22 05 00 SDSSJ1258+16 09 02 21 31.8 104.6 -4.0 -37.7 -21 340 No stop 22 10 00 --- 09 07 22 32.5 105.7 -3.9 -37.5 279 359 22 05 01 22 10 40 J1255+1817 09 08 02 34.1 105.5 -3.8 -37.8 19 359 22 10 40 22 12 10 --- 09 09 33 34.3 105.9 -3.8 -37.8 90 365 22 10 41 Schedule for KNOCKIN (Code Kn ) Page 4 Observations of radio-quiet quasars: SDSSJ1258+1657 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 ---------------------------------------------------------------------------------------- --- Thu 9 Mar 2023 Day 68 --- 22 12 10 SDSSJ1258+16 09 09 33 32.8 106.2 -3.8 -37.3 -21 365 No stop 22 17 10 --- 09 14 33 33.5 107.4 -3.7 -37.1 279 385 22 12 11 22 17 10 J1255+1817 09 14 33 35.0 107.0 -3.7 -37.5 -21 385 No stop 22 18 40 --- 09 16 04 35.2 107.4 -3.7 -37.4 69 390 22 17 11 22 18 40 SDSSJ1258+16 09 16 04 33.7 107.7 -3.7 -37.0 -21 390 No stop 22 23 40 --- 09 21 05 34.5 108.9 -3.6 -36.7 279 410 22 18 41 22 24 20 J1255+1817 09 21 45 36.0 108.7 -3.6 -37.1 19 410 22 24 20 22 25 50 --- 09 23 15 36.2 109.0 -3.6 -37.0 90 415 22 24 21 22 25 50 SDSSJ1258+16 09 23 15 34.8 109.4 -3.6 -36.6 -21 415 No stop 22 30 50 --- 09 28 16 35.5 110.5 -3.5 -36.3 279 435 22 25 51 22 30 50 J1255+1817 09 28 16 37.0 110.2 -3.5 -36.7 -21 435 No stop 22 32 20 --- 09 29 46 37.2 110.6 -3.4 -36.6 69 441 22 30 51 22 32 20 SDSSJ1258+16 09 29 46 35.7 110.9 -3.5 -36.2 -21 441 No stop 22 37 20 --- 09 34 47 36.4 112.1 -3.4 -35.8 279 460 22 32 21 22 38 00 J1255+1817 09 35 27 38.0 112.0 -3.4 -36.2 18 460 22 38 00 22 39 30 --- 09 36 57 38.2 112.3 -3.3 -36.1 90 466 22 38 01 22 39 30 SDSSJ1258+16 09 36 57 36.7 112.6 -3.4 -35.7 -21 466 No stop 22 44 30 --- 09 41 58 37.4 113.9 -3.3 -35.3 279 485 22 39 31 22 44 30 J1255+1817 09 41 58 38.9 113.6 -3.2 -35.7 -22 485 No stop 22 46 00 --- 09 43 28 39.1 113.9 -3.2 -35.6 68 491 22 44 31 ---------- Fringe Finder ---------- 22 50 00 3C345 09 47 29 23.4 54.3 -6.9 -39.7 38 491 22 50 00 22 55 00 --- 09 52 30 24.0 55.1 -6.9 -40.2 300 510 22 50 01 22 59 00 SDSSJ1258+16 09 56 30 39.4 117.5 -3.0 -34.1 30 510 22 59 00 23 04 00 --- 10 01 31 40.1 118.8 -3.0 -33.6 300 529 22 59 01 23 04 40 J1255+1817 10 02 11 41.6 118.7 -2.9 -33.9 18 529 23 04 40 23 06 10 --- 10 03 42 41.8 119.1 -2.9 -33.8 90 535 23 04 41 23 06 10 SDSSJ1258+16 10 03 42 40.3 119.4 -2.9 -33.4 -21 535 No stop 23 11 10 --- 10 08 42 41.0 120.7 -2.8 -32.9 279 555 23 06 11 Schedule for KNOCKIN (Code Kn ) Page 5 Observations of radio-quiet quasars: SDSSJ1258+1657 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 ---------------------------------------------------------------------------------------- --- Thu 9 Mar 2023 Day 68 --- 23 11 10 J1255+1817 10 08 42 42.5 120.5 -2.8 -33.3 -22 555 No stop 23 12 40 --- 10 10 13 42.7 120.9 -2.8 -33.1 68 560 23 11 11 23 12 40 SDSSJ1258+16 10 10 13 41.2 121.1 -2.8 -32.8 -21 560 No stop 23 17 40 --- 10 15 13 41.8 122.4 -2.7 -32.2 279 580 23 12 41 23 18 20 J1255+1817 10 15 54 43.4 122.4 -2.7 -32.5 18 580 23 18 20 23 19 50 --- 10 17 24 43.6 122.8 -2.7 -32.3 90 585 23 18 21 23 19 50 SDSSJ1258+16 10 17 24 42.1 123.0 -2.7 -32.0 -21 585 No stop 23 24 50 --- 10 22 25 42.7 124.4 -2.6 -31.4 279 605 23 19 51 23 24 50 J1255+1817 10 22 25 44.2 124.2 -2.6 -31.8 -22 605 No stop 23 26 20 --- 10 23 55 44.4 124.7 -2.5 -31.6 68 611 23 24 51 23 26 20 SDSSJ1258+16 10 23 55 42.9 124.8 -2.6 -31.2 -21 611 No stop 23 31 20 --- 10 28 56 43.5 126.3 -2.5 -30.6 279 630 23 26 21 23 32 00 J1255+1817 10 29 36 45.1 126.3 -2.5 -30.9 18 630 23 32 00 23 33 30 --- 10 31 06 45.3 126.7 -2.4 -30.7 90 636 23 32 01 23 33 30 SDSSJ1258+16 10 31 06 43.8 126.9 -2.5 -30.4 -21 636 No stop 23 38 30 --- 10 36 07 44.4 128.3 -2.4 -29.7 279 655 23 33 31 23 38 30 J1255+1817 10 36 07 45.9 128.2 -2.3 -30.0 -22 655 No stop 23 40 00 --- 10 37 37 46.1 128.6 -2.3 -29.8 68 661 23 38 31 23 40 00 SDSSJ1258+16 10 37 37 44.6 128.8 -2.4 -29.5 -21 661 No stop 23 45 00 --- 10 42 38 45.2 130.2 -2.3 -28.8 279 680 23 40 01 23 45 40 J1255+1817 10 43 18 46.7 130.3 -2.2 -29.0 18 680 23 45 40 23 47 10 --- 10 44 48 46.9 130.8 -2.2 -28.8 90 686 23 45 41 23 47 10 SDSSJ1258+16 10 44 48 45.4 130.9 -2.2 -28.5 -21 686 No stop 23 52 10 --- 10 49 49 46.0 132.4 -2.2 -27.8 279 705 23 47 11 23 52 10 J1255+1817 10 49 49 47.5 132.3 -2.1 -28.1 -22 705 No stop 23 53 40 --- 10 51 19 47.7 132.8 -2.1 -27.8 68 711 23 52 11 23 53 40 SDSSJ1258+16 10 51 19 46.2 132.9 -2.1 -27.6 -21 711 No stop 23 58 40 --- 10 56 20 46.7 134.4 -2.1 -26.8 279 730 23 53 41 Schedule for KNOCKIN (Code Kn ) Page 6 Observations of radio-quiet quasars: SDSSJ1258+1657 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 ---------------------------------------------------------------------------------------- --- Start: Thu 9 Mar 2023 Day 68 -- Stop: Fri 10 Mar 2023 Day 69 --- 23 59 20 J1255+1817 10 57 00 48.3 134.6 -2.0 -27.0 18 730 23 59 20 00 00 50 --- 10 58 31 48.4 135.1 -2.0 -26.7 90 736 23 59 21 00 00 50 SDSSJ1258+16 10 58 31 46.9 135.1 -2.0 -26.5 -21 736 No stop 00 05 50 --- 11 03 31 47.5 136.7 -1.9 -25.7 279 756 00 00 51 00 05 50 J1255+1817 11 03 31 49.0 136.7 -1.9 -25.9 -22 756 No stop 00 07 20 --- 11 05 02 49.1 137.2 -1.9 -25.6 68 761 00 05 51 00 07 20 SDSSJ1258+16 11 05 02 47.6 137.1 -1.9 -25.4 -21 761 No stop 00 12 20 --- 11 10 02 48.1 138.8 -1.8 -24.6 279 781 00 07 21 00 13 00 J1255+1817 11 10 43 49.7 139.1 -1.8 -24.6 18 781 00 13 00 00 14 30 --- 11 12 13 49.8 139.6 -1.7 -24.4 90 786 00 13 01 00 14 30 SDSSJ1258+16 11 12 13 48.3 139.5 -1.8 -24.2 -21 786 No stop 00 19 30 --- 11 17 14 48.8 141.1 -1.7 -23.4 279 806 00 14 31 00 19 30 J1255+1817 11 17 14 50.3 141.3 -1.7 -23.5 -22 806 No stop 00 21 00 --- 11 18 44 50.5 141.8 -1.6 -23.2 68 812 00 19 31 00 21 00 SDSSJ1258+16 11 18 44 49.0 141.6 -1.7 -23.1 -21 812 No stop 00 26 00 --- 11 23 45 49.4 143.3 -1.6 -22.2 279 831 00 21 01 00 26 40 J1255+1817 11 24 25 51.0 143.7 -1.5 -22.1 18 831 00 26 40 00 28 10 --- 11 25 55 51.1 144.3 -1.5 -21.8 90 837 00 26 41 00 28 10 SDSSJ1258+16 11 25 55 49.6 144.1 -1.6 -21.8 -21 837 No stop 00 33 10 --- 11 30 56 50.1 145.8 -1.5 -20.8 279 856 00 28 11 00 33 10 J1255+1817 11 30 56 51.6 146.0 -1.4 -20.8 -21 856 No stop 00 34 40 --- 11 32 26 51.7 146.6 -1.4 -20.5 69 862 00 33 11 00 34 40 SDSSJ1258+16 11 32 26 50.2 146.3 -1.5 -20.5 -21 862 No stop 00 39 40 --- 11 37 27 50.6 148.1 -1.4 -19.5 279 881 00 34 41 00 40 20 J1255+1817 11 38 07 52.1 148.6 -1.3 -19.3 19 881 00 40 20 00 41 50 --- 11 39 37 52.3 149.2 -1.3 -19.0 90 887 00 40 21 00 41 50 SDSSJ1258+16 11 39 37 50.8 148.9 -1.3 -19.1 -21 887 No stop 00 46 50 --- 11 44 38 51.2 150.7 -1.2 -18.0 279 906 00 41 51 00 46 50 J1255+1817 11 44 38 52.6 151.0 -1.2 -17.9 -21 906 No stop 00 48 20 --- 11 46 08 52.7 151.6 -1.2 -17.6 69 912 00 46 51 Schedule for KNOCKIN (Code Kn ) Page 7 Observations of radio-quiet quasars: SDSSJ1258+1657 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 10 Mar 2023 Day 69 --- 00 48 20 SDSSJ1258+16 11 46 08 51.3 151.2 -1.2 -17.7 -21 912 No stop 00 53 20 --- 11 51 09 51.6 153.1 -1.1 -16.6 279 931 00 48 21 00 54 00 J1255+1817 11 51 49 53.1 153.7 -1.1 -16.4 19 931 00 54 00 00 55 30 --- 11 53 19 53.2 154.3 -1.1 -16.0 90 937 00 54 01 00 55 30 SDSSJ1258+16 11 53 19 51.8 153.9 -1.1 -16.1 -21 937 No stop 01 00 30 --- 11 58 20 52.1 155.8 -1.0 -15.0 279 956 00 55 31 01 00 30 J1255+1817 11 58 20 53.6 156.2 -1.0 -14.9 -21 956 No stop 01 02 00 --- 11 59 51 53.6 156.8 -0.9 -14.5 69 962 01 00 31 01 02 00 SDSSJ1258+16 11 59 51 52.2 156.3 -1.0 -14.7 -21 962 No stop 01 07 00 --- 12 04 51 52.5 158.2 -0.9 -13.6 279 982 01 02 01 01 07 40 J1255+1817 12 05 31 54.0 159.0 -0.9 -13.2 19 982 01 07 40 01 09 10 --- 12 07 02 54.0 159.6 -0.8 -12.8 90 987 01 07 41 01 09 10 SDSSJ1258+16 12 07 02 52.6 159.1 -0.9 -13.1 -21 987 No stop 01 14 10 --- 12 12 03 52.8 161.0 -0.8 -11.9 279 1007 01 09 11 01 14 10 J1255+1817 12 12 03 54.3 161.6 -0.7 -11.6 -21 1007 No stop 01 15 40 --- 12 13 33 54.4 162.2 -0.7 -11.2 69 1013 01 14 11 ---------- Fringe Finder ---------- 01 20 40 3C345 12 18 34 44.1 78.7 -4.4 -50.5 26 1013 01 20 40 01 25 40 --- 12 23 34 44.9 79.6 -4.3 -50.7 300 1032 01 20 41 01 30 40 SDSSJ1258+16 12 28 35 53.5 167.5 -0.5 -7.9 14 1032 01 30 40 01 35 40 --- 12 33 36 53.7 169.5 -0.4 -6.6 300 1051 01 30 41 01 36 20 J1255+1817 12 34 16 55.1 170.7 -0.4 -5.9 19 1051 01 36 20 01 37 50 --- 12 35 46 55.1 171.3 -0.3 -5.5 90 1057 01 36 21 01 37 50 SDSSJ1258+16 12 35 46 53.7 170.4 -0.4 -6.1 -21 1057 No stop 01 42 50 --- 12 40 47 53.9 172.4 -0.3 -4.8 279 1076 01 37 51 01 42 50 J1255+1817 12 40 47 55.2 173.4 -0.3 -4.2 -21 1076 No stop 01 44 20 --- 12 42 18 55.3 174.0 -0.2 -3.8 69 1082 01 42 51 01 44 20 SDSSJ1258+16 12 42 18 53.9 173.0 -0.3 -4.4 -21 1082 No stop 01 49 20 --- 12 47 18 54.0 175.0 -0.2 -3.1 279 1101 01 44 21 Schedule for KNOCKIN (Code Kn ) Page 8 Observations of radio-quiet quasars: SDSSJ1258+1657 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 10 Mar 2023 Day 69 --- 01 50 00 J1255+1817 12 47 58 55.3 176.4 -0.1 -2.3 19 1101 01 50 00 01 51 30 --- 12 49 29 55.4 177.0 -0.1 -1.9 90 1107 01 50 01 01 51 30 SDSSJ1258+16 12 49 29 54.0 175.9 -0.2 -2.6 -20 1107 No stop 01 56 30 --- 12 54 30 54.0 178.0 -0.1 -1.3 280 1127 01 51 31 01 56 30 J1255+1817 12 54 30 55.4 179.1 -0.0 -0.6 -20 1127 No stop 01 58 00 --- 12 56 00 55.4 179.7 -0.0 -0.2 70 1132 01 56 31 01 58 00 SDSSJ1258+16 12 56 00 54.0 178.6 -0.1 -0.9 -20 1132 No stop 02 03 00 --- 13 01 01 54.0 180.6 0.0 0.4 280 1152 01 58 01 02 03 40 J1255+1817 13 01 41 55.4 182.1 0.1 1.3 20 1152 02 03 40 02 05 10 --- 13 03 11 55.4 182.7 0.1 1.7 90 1157 02 03 41 02 05 10 SDSSJ1258+16 13 03 11 54.0 181.5 0.1 1.0 -20 1157 No stop 02 10 10 --- 13 08 12 54.0 183.5 0.1 2.2 280 1177 02 05 11 02 10 10 J1255+1817 13 08 12 55.3 184.8 0.2 3.1 -21 1177 No stop 02 11 40 --- 13 09 42 55.3 185.4 0.2 3.5 69 1183 02 10 11 02 11 40 SDSSJ1258+16 13 09 42 54.0 184.2 0.2 2.6 -20 1183 No stop 02 16 40 --- 13 14 43 53.9 186.2 0.3 3.9 280 1202 02 11 41 02 17 20 J1255+1817 13 15 23 55.2 187.8 0.3 5.0 19 1202 02 17 20 02 18 50 --- 13 16 53 55.2 188.4 0.3 5.3 90 1208 02 17 21 02 18 50 SDSSJ1258+16 13 16 53 53.9 187.1 0.3 4.5 -20 1208 No stop 02 23 50 --- 13 21 54 53.8 189.1 0.4 5.7 280 1227 02 18 51 02 23 50 J1255+1817 13 21 54 55.0 190.5 0.4 6.7 -21 1227 No stop 02 25 20 --- 13 23 24 55.0 191.1 0.4 7.0 69 1233 02 23 51 02 25 20 SDSSJ1258+16 13 23 24 53.7 189.7 0.4 6.1 -20 1233 No stop 02 30 20 --- 13 28 25 53.6 191.7 0.5 7.4 280 1252 02 25 21 02 31 00 J1255+1817 13 29 05 54.8 193.4 0.5 8.5 18 1252 02 31 00 02 32 30 --- 13 30 35 54.8 194.0 0.6 8.9 90 1258 02 31 01 02 32 30 SDSSJ1258+16 13 30 35 53.5 192.6 0.5 7.9 -20 1258 No stop 02 37 30 --- 13 35 36 53.3 194.6 0.6 9.1 280 1277 02 32 31 02 37 30 J1255+1817 13 35 36 54.6 196.1 0.6 10.1 -22 1277 No stop 02 39 00 --- 13 37 06 54.5 196.7 0.7 10.5 68 1283 02 37 31 Schedule for KNOCKIN (Code Kn ) Page 9 Observations of radio-quiet quasars: SDSSJ1258+1657 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 10 Mar 2023 Day 69 --- 02 39 00 SDSSJ1258+16 13 37 06 53.3 195.2 0.6 9.5 -21 1283 No stop 02 44 00 --- 13 42 07 53.1 197.1 0.7 10.7 279 1302 02 39 01 02 44 40 J1255+1817 13 42 47 54.2 199.0 0.8 11.9 17 1302 02 44 40 02 46 10 --- 13 44 18 54.2 199.5 0.8 12.3 90 1308 02 44 41 02 46 10 SDSSJ1258+16 13 44 18 53.0 198.0 0.7 11.3 -21 1308 No stop 02 51 10 --- 13 49 18 52.7 199.9 0.8 12.4 279 1327 02 46 11 02 51 10 J1255+1817 13 49 18 53.9 201.5 0.9 13.5 -23 1327 No stop 02 52 40 --- 13 50 49 53.8 202.1 0.9 13.9 67 1333 02 51 11 02 52 40 SDSSJ1258+16 13 50 49 52.6 200.5 0.9 12.8 -21 1333 No stop 02 57 40 --- 13 55 50 52.4 202.4 0.9 13.9 279 1353 02 52 41 02 58 20 J1255+1817 13 56 30 53.5 204.3 1.0 15.2 17 1353 02 58 20 02 59 50 --- 13 58 00 53.4 204.9 1.0 15.5 90 1358 02 58 21 02 59 50 SDSSJ1258+16 13 58 00 52.2 203.3 1.0 14.4 -21 1358 No stop 03 04 50 --- 14 03 01 51.9 205.1 1.1 15.6 279 1378 02 59 51 03 04 50 J1255+1817 14 03 01 53.0 206.8 1.1 16.7 -23 1378 No stop 03 06 20 --- 14 04 31 52.9 207.4 1.1 17.0 67 1384 03 04 51 03 06 20 SDSSJ1258+16 14 04 31 51.8 205.7 1.1 15.9 -22 1384 No stop 03 11 20 --- 14 09 32 51.5 207.6 1.2 17.0 278 1403 03 06 21 03 12 00 J1255+1817 14 10 12 52.5 209.5 1.2 18.3 17 1403 03 12 00 03 13 30 --- 14 11 42 52.4 210.1 1.3 18.6 90 1409 03 12 01 03 13 30 SDSSJ1258+16 14 11 42 51.3 208.4 1.2 17.5 -22 1409 No stop 03 18 30 --- 14 16 43 51.0 210.2 1.3 18.5 278 1428 03 13 31 03 18 30 J1255+1817 14 16 43 52.0 211.9 1.3 19.6 -23 1428 No stop 03 20 00 --- 14 18 13 51.9 212.4 1.4 20.0 67 1434 03 18 31 03 20 00 SDSSJ1258+16 14 18 13 50.9 210.7 1.3 18.8 -22 1434 No stop 03 25 00 --- 14 23 14 50.5 212.5 1.4 19.8 278 1453 03 20 01 03 25 40 J1255+1817 14 23 54 51.4 214.5 1.5 21.1 16 1453 03 25 40 03 27 10 --- 14 25 24 51.3 215.0 1.5 21.4 90 1459 03 25 41 03 27 10 SDSSJ1258+16 14 25 24 50.3 213.3 1.4 20.3 -22 1459 No stop 03 32 10 --- 14 30 25 49.9 215.0 1.5 21.3 278 1478 03 27 11 Schedule for KNOCKIN (Code Kn ) Page 10 Observations of radio-quiet quasars: SDSSJ1258+1657 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 10 Mar 2023 Day 69 --- 03 32 10 J1255+1817 14 30 25 50.9 216.8 1.6 22.4 -24 1478 No stop 03 33 40 --- 14 31 55 50.7 217.3 1.6 22.7 66 1484 03 32 11 03 33 40 SDSSJ1258+16 14 31 55 49.7 215.5 1.5 21.5 -22 1484 No stop 03 38 40 --- 14 36 56 49.3 217.2 1.6 22.5 278 1503 03 33 41 03 39 20 J1255+1817 14 37 36 50.2 219.2 1.7 23.7 16 1503 03 39 20 03 40 50 --- 14 39 07 50.0 219.7 1.7 24.0 90 1509 03 39 21 03 40 50 SDSSJ1258+16 14 39 07 49.1 218.0 1.7 22.9 -22 1509 No stop 03 45 50 --- 14 44 07 48.6 219.7 1.7 23.8 278 1528 03 40 51 03 45 50 J1255+1817 14 44 07 49.5 221.4 1.8 24.9 -24 1528 No stop 03 47 20 --- 14 45 38 49.4 221.9 1.8 25.2 66 1534 03 45 51 ---------- Fringe Finder ---------- 03 53 30 3C345 14 51 49 66.9 113.1 -1.9 -46.4 20 1534 03 53 30 03 58 30 --- 14 56 50 67.6 114.8 -1.8 -45.6 300 1554 03 53 31 04 04 40 SDSSJ1258+16 15 03 01 46.7 225.7 2.1 26.9 15 1554 04 04 40 04 09 40 --- 15 08 01 46.1 227.3 2.1 27.6 300 1573 04 04 41 04 10 20 J1255+1817 15 08 41 46.9 229.2 2.2 28.8 16 1573 04 10 20 04 11 50 --- 15 10 12 46.7 229.7 2.2 29.0 90 1579 04 10 21 04 11 50 SDSSJ1258+16 15 10 12 45.9 227.9 2.2 28.0 -22 1579 No stop 04 16 50 --- 15 15 13 45.3 229.4 2.3 28.7 278 1598 04 11 51 04 16 50 J1255+1817 15 15 13 46.1 231.2 2.3 29.7 -24 1598 No stop 04 18 20 --- 15 16 43 46.0 231.6 2.3 29.9 66 1604 04 16 51 04 18 20 SDSSJ1258+16 15 16 43 45.1 229.9 2.3 28.9 -22 1604 No stop 04 23 20 --- 15 21 44 44.5 231.4 2.4 29.6 278 1623 04 18 21 04 24 00 J1255+1817 15 22 24 45.3 233.3 2.4 30.7 16 1623 04 24 00 04 25 30 --- 15 23 54 45.1 233.8 2.5 30.9 90 1629 04 24 01 04 25 30 SDSSJ1258+16 15 23 54 44.3 232.0 2.4 29.9 -22 1629 No stop 04 30 30 --- 15 28 55 43.7 233.4 2.5 30.5 278 1648 04 25 31 04 30 30 J1255+1817 15 28 55 44.5 235.2 2.5 31.5 -24 1648 No stop 04 32 00 --- 15 30 25 44.3 235.6 2.6 31.7 66 1654 04 30 31 Schedule for KNOCKIN (Code Kn ) Page 11 Observations of radio-quiet quasars: SDSSJ1258+1657 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 10 Mar 2023 Day 69 --- 04 32 00 SDSSJ1258+16 15 30 25 43.5 233.9 2.5 30.7 -22 1654 No stop 04 37 00 --- 15 35 26 42.9 235.3 2.6 31.3 278 1673 04 32 01 04 37 40 J1255+1817 15 36 06 43.6 237.2 2.7 32.3 16 1673 04 37 40 04 39 10 --- 15 37 36 43.4 237.6 2.7 32.5 90 1679 04 37 41 04 39 10 SDSSJ1258+16 15 37 36 42.6 235.9 2.6 31.5 -22 1679 No stop 04 44 10 --- 15 42 37 42.0 237.3 2.7 32.1 278 1698 04 39 11 04 44 10 J1255+1817 15 42 37 42.8 239.0 2.8 33.1 -23 1698 No stop 04 45 40 --- 15 44 07 42.6 239.4 2.8 33.2 67 1704 04 44 11 04 45 40 SDSSJ1258+16 15 44 07 41.8 237.7 2.7 32.3 -22 1704 No stop 04 50 40 --- 15 49 08 41.1 239.0 2.8 32.8 278 1724 04 45 41 04 51 20 J1255+1817 15 49 48 41.8 240.9 2.9 33.8 17 1724 04 51 20 04 52 50 --- 15 51 18 41.6 241.3 2.9 33.9 90 1729 04 51 21 04 52 50 SDSSJ1258+16 15 51 18 40.9 239.6 2.9 33.0 -22 1729 No stop 04 57 50 --- 15 56 19 40.2 240.9 2.9 33.5 278 1749 04 52 51 04 57 50 J1255+1817 15 56 19 40.9 242.6 3.0 34.4 -23 1749 No stop 04 59 20 --- 15 57 50 40.7 243.0 3.0 34.6 67 1755 04 57 51 04 59 20 SDSSJ1258+16 15 57 50 40.0 241.3 3.0 33.7 -22 1755 No stop 05 04 20 --- 16 02 50 39.3 242.6 3.1 34.1 278 1774 04 59 21 05 05 00 J1255+1817 16 03 30 40.0 244.5 3.1 35.1 17 1774 05 05 00 05 06 30 --- 16 05 01 39.8 244.8 3.1 35.2 90 1780 05 05 01 05 06 30 SDSSJ1258+16 16 05 01 39.0 243.1 3.1 34.3 -22 1780 No stop 05 11 30 --- 16 10 02 38.4 244.4 3.2 34.7 278 1799 05 06 31 05 11 30 J1255+1817 16 10 02 39.1 246.1 3.2 35.6 -23 1799 No stop 05 13 00 --- 16 11 32 38.9 246.5 3.2 35.7 67 1805 05 11 31 05 13 00 SDSSJ1258+16 16 11 32 38.2 244.8 3.2 34.9 -22 1805 No stop 05 18 00 --- 16 16 33 37.5 246.0 3.3 35.3 278 1824 05 13 01 05 18 40 J1255+1817 16 17 13 38.1 247.9 3.3 36.1 17 1824 05 18 40 05 20 10 --- 16 18 43 37.9 248.2 3.4 36.2 90 1830 05 18 41 05 20 10 SDSSJ1258+16 16 18 43 37.2 246.6 3.3 35.4 -22 1830 No stop 05 25 10 --- 16 23 44 36.5 247.8 3.4 35.8 278 1849 05 20 11 Schedule for KNOCKIN (Code Kn ) Page 12 Observations of radio-quiet quasars: SDSSJ1258+1657 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 10 Mar 2023 Day 69 --- 05 25 10 J1255+1817 16 23 44 37.2 249.4 3.5 36.6 -23 1849 No stop 05 26 40 --- 16 25 14 36.9 249.8 3.5 36.7 67 1855 05 25 11 05 26 40 SDSSJ1258+16 16 25 14 36.3 248.1 3.4 35.9 -22 1855 No stop 05 31 40 --- 16 30 15 35.5 249.3 3.5 36.2 278 1874 05 26 41 05 32 20 J1255+1817 16 30 55 36.1 251.2 3.6 37.0 17 1874 05 32 20 05 33 50 --- 16 32 25 35.9 251.5 3.6 37.1 90 1880 05 32 21 05 33 50 SDSSJ1258+16 16 32 25 35.2 249.9 3.5 36.4 -22 1880 No stop 05 38 50 --- 16 37 26 34.5 251.0 3.6 36.7 278 1899 05 33 51 05 38 50 J1255+1817 16 37 26 35.2 252.7 3.7 37.4 -23 1899 No stop 05 40 20 --- 16 38 56 35.0 253.0 3.7 37.5 67 1905 05 38 51 05 40 20 SDSSJ1258+16 16 38 56 34.3 251.4 3.7 36.8 -22 1905 No stop 05 45 20 --- 16 43 57 33.6 252.5 3.7 37.1 278 1925 05 40 21 05 46 00 J1255+1817 16 44 37 34.2 254.3 3.8 37.8 17 1925 05 46 00 05 47 30 --- 16 46 07 33.9 254.7 3.8 37.9 90 1930 05 46 01 05 47 30 SDSSJ1258+16 16 46 07 33.3 253.0 3.8 37.2 -22 1930 No stop 05 52 30 --- 16 51 08 32.5 254.2 3.9 37.4 278 1950 05 47 31 05 52 30 J1255+1817 16 51 08 33.2 255.8 3.9 38.1 -22 1950 No stop 05 54 00 --- 16 52 39 33.0 256.1 3.9 38.2 68 1955 05 52 31 05 54 00 SDSSJ1258+16 16 52 39 32.3 254.5 3.9 37.5 -22 1955 No stop 05 59 00 --- 16 57 39 31.6 255.6 4.0 37.7 278 1975 05 54 01 05 59 40 J1255+1817 16 58 19 32.1 257.4 4.0 38.4 18 1975 05 59 40 06 01 10 --- 16 59 50 31.9 257.7 4.1 38.5 90 1981 05 59 41 06 01 10 SDSSJ1258+16 16 59 50 31.3 256.1 4.0 37.8 -21 1981 No stop 06 06 10 --- 17 04 51 30.5 257.2 4.1 38.0 279 2000 06 01 11 06 06 10 J1255+1817 17 04 51 31.2 258.8 4.1 38.6 -22 2000 No stop 06 07 40 --- 17 06 21 31.0 259.1 4.2 38.7 68 2006 06 06 11 06 07 40 SDSSJ1258+16 17 06 21 30.3 257.5 4.1 38.1 -21 2006 No stop 06 12 40 --- 17 11 22 29.6 258.6 4.2 38.3 279 2025 06 07 41 06 13 20 J1255+1817 17 12 02 30.1 260.3 4.3 38.9 18 2025 06 13 20 06 14 50 --- 17 13 32 29.9 260.7 4.3 38.9 90 2031 06 13 21 Schedule for KNOCKIN (Code Kn ) Page 13 Observations of radio-quiet quasars: SDSSJ1258+1657 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 10 Mar 2023 Day 69 --- 06 14 50 SDSSJ1258+16 17 13 32 29.3 259.1 4.2 38.3 -21 2031 No stop 06 19 50 --- 17 18 33 28.5 260.2 4.3 38.5 279 2050 06 14 51 06 19 50 J1255+1817 17 18 33 29.1 261.7 4.4 39.0 -22 2050 No stop 06 21 20 --- 17 20 03 28.9 262.0 4.4 39.1 68 2056 06 19 51 ---------- Fringe Finder ---------- 06 24 50 3C345 17 23 34 75.3 211.6 0.7 24.3 34 2056 06 24 50 06 29 50 --- 17 28 34 74.9 214.9 0.7 26.8 300 2075 06 24 51 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess123.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: 13 Station: KNOCKIN Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 2272.00 2272.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 9 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 BBC fr= 645.51 645.51 Bandwd= 64.00 64.00 Matching frequency sets: 9 10 11 12 13 Track assignments are: track1= 1, 2 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * SDSSJ1258+16 12 55 50.556638 * 12 58 19.260000 12 59 28.920060 0.00 17 13 28.57998 * 16 57 17.50000 16 49 39.51460 0.00 From catalog imbedded in main SCHED input file. * J1255+1817 12 53 03.219339 * 12 55 31.759900 12 56 41.368121 0.00 18 34 04.91798 * 18 17 50.91000 18 10 11.54795 0.00 From catalog imbedded in main SCHED input file. * 4C39.25 09 23 55.319219 * 09 27 03.013940 09 28 30.864013 0.00 39 15 23.56640 * 39 02 20.85180 38 56 21.71789 0.00 From catalog imbedded in main SCHED input file. * 3C345 16 41 17.606263 * 16 42 58.810000 16 43 45.666402 0.00 39 54 10.81494 * 39 48 36.99400 39 45 39.94964 0.00 From catalog imbedded in main SCHED input file. 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 SDSSJ1258+1sess123.L1024 1 2 3 4 5 6 7 8 9 14 15 6.500 526.334 J1255+1817 sess123.L1024 1 2 3 4 5 6 7 8 9 14 15 2.033 145.475 4C39.25 sess123.L1024 1 2 3 4 5 6 7 8 9 14 15 0.083 8.750 3C345 sess123.L1024 1 2 3 4 5 6 7 8 9 14 15 0.333 31.302 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) SDSSJ1258+16 152.6 J1255+1817 152.7 4C39.25 137.0 3C345 99.8 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