COVER INFORMATION Station: KNOCKIN (Code Kn ) Experiment: Observations of radio-quiet quasars: SDSSJ1128+2402 Exp. Code: EJ027D 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: SDSSJ1128+2402 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 --- ---------- Fringe Finder ---------- Next scan frequencies: 1626.49 1626.49 Next BBC frequencies: 645.51 645.51 Next scan bandwidths: 64.00 64.00 19 00 00 4C39.25 06 00 48 52.2 90.2 -3.5 -51.0 0 0 19 00 00 19 05 00 --- 06 05 48 53.0 91.2 -3.4 -51.0 300 19 19 00 01 19 07 00 J1124+2336 06 07 49 24.8 83.3 -5.3 -40.9 13 19 19 07 00 19 12 00 --- 06 12 50 25.6 84.2 -5.2 -41.0 300 39 19 07 01 19 12 00 SDSSJ1128+24 06 12 50 25.3 83.1 -5.3 -41.1 -18 39 No stop 19 17 00 --- 06 17 50 26.0 84.1 -5.2 -41.1 282 58 19 12 01 19 17 40 J1124+2336 06 18 31 26.4 85.3 -5.1 -41.1 21 58 19 17 40 19 19 10 --- 06 20 01 26.7 85.6 -5.1 -41.1 90 64 19 17 41 19 19 10 SDSSJ1128+24 06 20 01 26.3 84.5 -5.2 -41.2 -18 64 No stop 19 24 10 --- 06 25 02 27.1 85.5 -5.1 -41.3 282 83 19 19 11 19 24 10 J1124+2336 06 25 02 27.4 86.6 -5.0 -41.2 -19 83 No stop 19 25 40 --- 06 26 32 27.6 86.9 -5.0 -41.2 71 89 19 24 11 19 25 40 SDSSJ1128+24 06 26 32 27.3 85.7 -5.1 -41.3 -18 89 No stop 19 30 40 --- 06 31 33 28.1 86.7 -5.0 -41.3 282 108 19 25 41 19 31 20 J1124+2336 06 32 13 28.5 88.0 -4.9 -41.2 21 108 19 31 20 19 32 50 --- 06 33 43 28.7 88.3 -4.9 -41.2 90 114 19 31 21 19 32 50 SDSSJ1128+24 06 33 43 28.4 87.1 -4.9 -41.4 -19 114 No stop 19 37 50 --- 06 38 44 29.2 88.1 -4.8 -41.4 281 133 19 32 51 19 37 50 J1124+2336 06 38 44 29.5 89.3 -4.8 -41.2 -19 133 No stop 19 39 20 --- 06 40 14 29.7 89.6 -4.8 -41.2 71 139 19 37 51 19 39 20 SDSSJ1128+24 06 40 14 29.4 88.4 -4.8 -41.4 -19 139 No stop 19 44 20 --- 06 45 15 30.1 89.4 -4.7 -41.4 281 158 19 39 21 19 45 00 J1124+2336 06 45 55 30.6 90.7 -4.7 -41.2 20 158 19 45 00 19 46 30 --- 06 47 25 30.8 91.0 -4.6 -41.2 90 164 19 45 01 19 46 30 SDSSJ1128+24 06 47 25 30.5 89.8 -4.7 -41.4 -19 164 No stop 19 51 30 --- 06 52 26 31.2 90.8 -4.6 -41.4 281 184 19 46 31 Schedule for KNOCKIN (Code Kn ) Page 3 Observations of radio-quiet quasars: SDSSJ1128+2402 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 --- 19 51 30 J1124+2336 06 52 26 31.5 92.0 -4.5 -41.2 -20 184 No stop 19 53 00 --- 06 53 56 31.8 92.3 -4.5 -41.2 70 189 19 51 31 19 53 00 SDSSJ1128+24 06 53 56 31.5 91.1 -4.6 -41.4 -19 189 No stop 19 58 00 --- 06 58 57 32.2 92.2 -4.5 -41.4 281 209 19 53 01 19 58 40 J1124+2336 06 59 37 32.6 93.5 -4.4 -41.2 20 209 19 58 40 20 00 10 --- 07 01 08 32.9 93.8 -4.4 -41.1 90 214 19 58 41 20 00 10 SDSSJ1128+24 07 01 08 32.5 92.6 -4.5 -41.4 -19 214 No stop 20 05 10 --- 07 06 08 33.3 93.6 -4.4 -41.3 281 234 20 00 11 20 05 10 J1124+2336 07 06 08 33.6 94.8 -4.3 -41.1 -20 234 No stop 20 06 40 --- 07 07 39 33.8 95.1 -4.3 -41.0 70 240 20 05 11 20 06 40 SDSSJ1128+24 07 07 39 33.5 93.9 -4.4 -41.3 -19 240 No stop 20 11 40 --- 07 12 39 34.3 95.0 -4.3 -41.2 281 259 20 06 41 20 12 20 J1124+2336 07 13 20 34.7 96.3 -4.2 -40.9 20 259 20 12 20 20 13 50 --- 07 14 50 34.9 96.7 -4.2 -40.9 90 265 20 12 21 20 13 50 SDSSJ1128+24 07 14 50 34.6 95.4 -4.2 -41.2 -19 265 No stop 20 18 50 --- 07 19 51 35.4 96.5 -4.2 -41.1 281 284 20 13 51 20 18 50 J1124+2336 07 19 51 35.7 97.7 -4.1 -40.8 -20 284 No stop 20 20 20 --- 07 21 21 35.9 98.0 -4.1 -40.8 70 290 20 18 51 20 20 20 SDSSJ1128+24 07 21 21 35.6 96.8 -4.1 -41.1 -19 290 No stop 20 25 20 --- 07 26 22 36.3 97.9 -4.1 -40.9 281 309 20 20 21 20 26 00 J1124+2336 07 27 02 36.8 99.3 -4.0 -40.6 20 309 20 26 00 20 27 30 --- 07 28 32 37.0 99.6 -3.9 -40.6 90 315 20 26 01 20 27 30 SDSSJ1128+24 07 28 32 36.7 98.3 -4.0 -40.9 -19 315 No stop 20 32 30 --- 07 33 33 37.4 99.4 -3.9 -40.7 281 334 20 27 31 20 32 30 J1124+2336 07 33 33 37.7 100.7 -3.9 -40.4 -20 334 No stop 20 34 00 --- 07 35 03 37.9 101.0 -3.8 -40.3 70 340 20 32 31 20 34 00 SDSSJ1128+24 07 35 03 37.6 99.7 -3.9 -40.7 -19 340 No stop 20 39 00 --- 07 40 04 38.4 100.8 -3.8 -40.5 281 359 20 34 01 20 39 40 J1124+2336 07 40 44 38.8 102.3 -3.7 -40.1 19 359 20 39 40 20 41 10 --- 07 42 14 39.0 102.6 -3.7 -40.0 90 365 20 39 41 Schedule for KNOCKIN (Code Kn ) Page 4 Observations of radio-quiet quasars: SDSSJ1128+2402 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 --- 20 41 10 SDSSJ1128+24 07 42 14 38.7 101.3 -3.8 -40.4 -20 365 No stop 20 46 10 --- 07 47 15 39.4 102.5 -3.7 -40.2 280 385 20 41 11 20 46 10 J1124+2336 07 47 15 39.7 103.8 -3.6 -39.8 -21 385 No stop 20 47 40 --- 07 48 45 40.0 104.1 -3.6 -39.7 69 390 20 46 11 20 47 40 SDSSJ1128+24 07 48 45 39.7 102.8 -3.7 -40.2 -20 390 No stop 20 52 40 --- 07 53 46 40.4 103.9 -3.6 -39.9 280 410 20 47 41 20 53 20 J1124+2336 07 54 26 40.8 105.4 -3.5 -39.5 19 410 20 53 20 20 54 50 --- 07 55 57 41.0 105.8 -3.5 -39.4 90 415 20 53 21 20 54 50 SDSSJ1128+24 07 55 57 40.7 104.4 -3.6 -39.8 -20 415 No stop 20 59 50 --- 08 00 57 41.5 105.6 -3.5 -39.6 280 435 20 54 51 20 59 50 J1124+2336 08 00 57 41.7 107.0 -3.4 -39.1 -21 435 No stop 21 01 20 --- 08 02 28 42.0 107.3 -3.4 -39.0 69 441 20 59 51 21 01 20 SDSSJ1128+24 08 02 28 41.7 106.0 -3.5 -39.5 -20 441 No stop 21 06 20 --- 08 07 28 42.4 107.2 -3.4 -39.2 280 460 21 01 21 21 07 00 J1124+2336 08 08 09 42.8 108.7 -3.3 -38.6 19 460 21 07 00 21 08 30 --- 08 09 39 43.0 109.1 -3.3 -38.5 90 466 21 07 01 21 08 30 SDSSJ1128+24 08 09 39 42.7 107.7 -3.3 -39.1 -20 466 No stop 21 13 30 --- 08 14 40 43.4 108.9 -3.2 -38.7 280 485 21 08 31 21 13 30 J1124+2336 08 14 40 43.7 110.3 -3.2 -38.2 -21 485 No stop 21 15 00 --- 08 16 10 43.9 110.7 -3.2 -38.1 69 491 21 13 31 21 15 00 SDSSJ1128+24 08 16 10 43.6 109.3 -3.2 -38.6 -20 491 No stop 21 20 00 --- 08 21 11 44.4 110.5 -3.1 -38.3 280 510 21 15 01 21 20 40 J1124+2336 08 21 51 44.7 112.1 -3.1 -37.6 18 510 21 20 40 21 22 10 --- 08 23 21 44.9 112.5 -3.0 -37.5 90 516 21 20 41 21 22 10 SDSSJ1128+24 08 23 21 44.7 111.1 -3.1 -38.1 -21 516 No stop 21 27 10 --- 08 28 22 45.4 112.3 -3.0 -37.7 279 535 21 22 11 21 27 10 J1124+2336 08 28 22 45.6 113.8 -2.9 -37.1 -22 535 No stop 21 28 40 --- 08 29 52 45.8 114.2 -2.9 -37.0 68 541 21 27 11 Schedule for KNOCKIN (Code Kn ) Page 5 Observations of radio-quiet quasars: SDSSJ1128+2402 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 --- ---------- Fringe Finder ---------- 21 30 40 3C273B 08 31 52 19.4 113.9 -4.0 -33.6 18 541 21 30 40 21 35 40 --- 08 36 53 20.1 115.0 -3.9 -33.2 300 560 21 30 41 21 37 40 SDSSJ1128+24 08 38 54 46.8 115.1 -2.8 -36.8 17 560 21 37 40 21 42 40 --- 08 43 54 47.5 116.5 -2.8 -36.3 300 580 21 37 41 21 43 20 J1124+2336 08 44 34 47.8 118.2 -2.7 -35.5 18 580 21 43 20 21 44 50 --- 08 46 05 48.0 118.6 -2.7 -35.4 90 585 21 43 21 21 44 50 SDSSJ1128+24 08 46 05 47.8 117.1 -2.7 -36.1 -21 585 No stop 21 49 50 --- 08 51 06 48.5 118.4 -2.6 -35.6 279 605 21 44 51 21 49 50 J1124+2336 08 51 06 48.7 120.0 -2.6 -34.8 -22 605 No stop 21 51 20 --- 08 52 36 48.9 120.5 -2.5 -34.6 68 611 21 49 51 21 51 20 SDSSJ1128+24 08 52 36 48.7 118.9 -2.6 -35.4 -21 611 No stop 21 56 20 --- 08 57 37 49.3 120.3 -2.5 -34.8 279 630 21 51 21 21 57 00 J1124+2336 08 58 17 49.6 122.1 -2.5 -34.0 17 630 21 57 00 21 58 30 --- 08 59 47 49.8 122.5 -2.4 -33.8 90 636 21 57 01 21 58 30 SDSSJ1128+24 08 59 47 49.6 120.9 -2.5 -34.6 -21 636 No stop 22 03 30 --- 09 04 48 50.3 122.4 -2.4 -34.0 279 655 21 58 31 22 03 30 J1124+2336 09 04 48 50.4 124.0 -2.3 -33.1 -23 655 No stop 22 05 00 --- 09 06 18 50.6 124.5 -2.3 -32.9 67 661 22 03 31 22 05 00 SDSSJ1128+24 09 06 18 50.5 122.8 -2.4 -33.8 -22 661 No stop 22 10 00 --- 09 11 19 51.1 124.4 -2.3 -33.1 278 680 22 05 01 22 10 40 J1124+2336 09 11 59 51.3 126.2 -2.2 -32.1 17 680 22 10 40 22 12 10 --- 09 13 29 51.5 126.7 -2.2 -31.9 90 686 22 10 41 22 12 10 SDSSJ1128+24 09 13 29 51.4 125.0 -2.3 -32.8 -22 686 No stop 22 17 10 --- 09 18 30 52.0 126.6 -2.2 -32.1 278 705 22 12 11 22 17 10 J1124+2336 09 18 30 52.1 128.3 -2.1 -31.2 -23 705 No stop 22 18 40 --- 09 20 00 52.3 128.8 -2.1 -30.9 67 711 22 17 11 22 18 40 SDSSJ1128+24 09 20 00 52.2 127.1 -2.2 -31.9 -22 711 No stop 22 23 40 --- 09 25 01 52.8 128.7 -2.1 -31.1 278 730 22 18 41 Schedule for KNOCKIN (Code Kn ) Page 6 Observations of radio-quiet quasars: SDSSJ1128+2402 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 --- 22 24 20 J1124+2336 09 25 41 53.0 130.6 -2.0 -30.0 16 730 22 24 20 22 25 50 --- 09 27 11 53.1 131.1 -2.0 -29.8 90 736 22 24 21 22 25 50 SDSSJ1128+24 09 27 11 53.0 129.4 -2.0 -30.8 -22 736 No stop 22 30 50 --- 09 32 12 53.6 131.0 -2.0 -29.9 278 756 22 25 51 22 30 50 J1124+2336 09 32 12 53.7 132.8 -1.9 -28.9 -24 756 No stop 22 32 20 --- 09 33 43 53.9 133.3 -1.9 -28.7 66 761 22 30 51 22 32 20 SDSSJ1128+24 09 33 43 53.8 131.5 -1.9 -29.7 -22 761 No stop 22 37 20 --- 09 38 43 54.3 133.2 -1.8 -28.8 278 781 22 32 21 22 38 00 J1124+2336 09 39 23 54.5 135.3 -1.8 -27.6 16 781 22 38 00 22 39 30 --- 09 40 54 54.6 135.8 -1.7 -27.4 90 786 22 38 01 22 39 30 SDSSJ1128+24 09 40 54 54.6 134.0 -1.8 -28.4 -23 786 No stop 22 44 30 --- 09 45 55 55.1 135.7 -1.7 -27.5 277 806 22 39 31 22 44 30 J1124+2336 09 45 55 55.2 137.6 -1.7 -26.4 -24 806 No stop 22 46 00 --- 09 47 25 55.3 138.1 -1.6 -26.1 66 812 22 44 31 22 46 00 SDSSJ1128+24 09 47 25 55.2 136.3 -1.7 -27.2 -23 812 No stop 22 51 00 --- 09 52 26 55.8 138.1 -1.6 -26.2 277 831 22 46 01 22 51 40 J1124+2336 09 53 06 55.9 140.2 -1.5 -25.0 15 831 22 51 40 22 53 10 --- 09 54 36 56.0 140.8 -1.5 -24.6 90 837 22 51 41 22 53 10 SDSSJ1128+24 09 54 36 56.0 138.9 -1.6 -25.8 -23 837 No stop 22 58 10 --- 09 59 37 56.5 140.7 -1.5 -24.8 277 856 22 53 11 22 58 10 J1124+2336 09 59 37 56.5 142.7 -1.4 -23.6 -25 856 No stop 22 59 40 --- 10 01 07 56.6 143.2 -1.4 -23.2 65 862 22 58 11 22 59 40 SDSSJ1128+24 10 01 07 56.6 141.3 -1.5 -24.4 -23 862 No stop 23 04 40 --- 10 06 08 57.1 143.2 -1.4 -23.3 277 881 22 59 41 23 05 20 J1124+2336 10 06 48 57.1 145.4 -1.3 -22.0 15 881 23 05 20 23 06 50 --- 10 08 18 57.2 146.0 -1.3 -21.6 90 887 23 05 21 23 06 50 SDSSJ1128+24 10 08 18 57.3 144.1 -1.4 -22.8 -23 887 No stop 23 11 50 --- 10 13 19 57.7 146.0 -1.3 -21.7 277 906 23 06 51 23 11 50 J1124+2336 10 13 19 57.7 148.0 -1.2 -20.4 -25 906 No stop 23 13 20 --- 10 14 49 57.8 148.6 -1.2 -20.1 65 912 23 11 51 Schedule for KNOCKIN (Code Kn ) Page 7 Observations of radio-quiet quasars: SDSSJ1128+2402 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 --- 23 13 20 SDSSJ1128+24 10 14 49 57.8 146.6 -1.2 -21.3 -23 912 No stop 23 18 20 --- 10 19 50 58.2 148.7 -1.2 -20.1 277 931 23 13 21 23 19 00 J1124+2336 10 20 30 58.2 150.9 -1.1 -18.7 15 931 23 19 00 23 20 30 --- 10 22 00 58.3 151.6 -1.1 -18.3 90 937 23 19 01 23 20 30 SDSSJ1128+24 10 22 00 58.4 149.5 -1.1 -19.6 -24 937 No stop 23 25 30 --- 10 27 01 58.8 151.6 -1.0 -18.3 276 956 23 20 31 23 25 30 J1124+2336 10 27 01 58.7 153.7 -1.0 -17.0 -25 956 No stop 23 27 00 --- 10 28 32 58.8 154.3 -0.9 -16.6 65 962 23 25 31 23 27 00 SDSSJ1128+24 10 28 32 58.9 152.3 -1.0 -17.9 -24 962 No stop 23 32 00 --- 10 33 32 59.2 154.4 -0.9 -16.6 276 982 23 27 01 23 32 40 J1124+2336 10 34 12 59.1 156.7 -0.9 -15.1 14 982 23 32 40 23 34 10 --- 10 35 43 59.2 157.4 -0.8 -14.7 90 987 23 32 41 23 34 10 SDSSJ1128+24 10 35 43 59.4 155.3 -0.9 -16.0 -24 987 No stop 23 39 10 --- 10 40 44 59.7 157.5 -0.8 -14.7 276 1007 23 34 11 23 39 10 J1124+2336 10 40 44 59.5 159.6 -0.7 -13.3 -26 1007 No stop 23 40 40 --- 10 42 14 59.6 160.2 -0.7 -12.9 64 1013 23 39 11 23 40 40 SDSSJ1128+24 10 42 14 59.8 158.2 -0.8 -14.2 -24 1013 No stop 23 45 40 --- 10 47 15 60.0 160.4 -0.7 -12.8 276 1032 23 40 41 23 46 20 J1124+2336 10 47 55 59.8 162.8 -0.6 -11.3 14 1032 23 46 20 23 47 50 --- 10 49 25 59.9 163.4 -0.6 -10.8 90 1038 23 46 21 23 47 50 SDSSJ1128+24 10 49 25 60.1 161.4 -0.7 -12.2 -24 1038 No stop 23 52 50 --- 10 54 26 60.4 163.6 -0.6 -10.8 276 1057 23 47 51 23 52 50 J1124+2336 10 54 26 60.1 165.7 -0.5 -9.4 -26 1057 No stop 23 54 20 --- 10 55 56 60.2 166.4 -0.5 -8.9 64 1063 23 52 51 --- Start: Fri 10 Mar 2023 Day 69 -- Stop: Sat 11 Mar 2023 Day 70 --- ---------- Fringe Finder ---------- 23 56 20 3C273B 10 57 56 35.6 151.2 -1.5 -17.0 23 1063 23 56 20 00 01 20 --- 11 02 57 36.0 152.6 -1.5 -16.1 300 1082 23 56 21 00 03 20 SDSSJ1128+24 11 04 57 60.7 168.4 -0.4 -7.6 23 1082 00 03 20 00 08 20 --- 11 09 58 60.9 170.8 -0.3 -6.1 300 1101 00 03 21 Schedule for KNOCKIN (Code Kn ) Page 8 Observations of radio-quiet quasars: SDSSJ1128+2402 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 11 Mar 2023 Day 70 --- 00 09 00 J1124+2336 11 10 38 60.6 173.2 -0.2 -4.5 14 1101 00 09 00 00 10 30 --- 11 12 09 60.6 173.9 -0.2 -4.0 90 1107 00 09 01 00 10 30 SDSSJ1128+24 11 12 09 60.9 171.8 -0.3 -5.4 -24 1107 No stop 00 15 30 --- 11 17 09 61.0 174.1 -0.2 -3.9 276 1127 00 10 31 00 15 30 J1124+2336 11 17 09 60.7 176.2 -0.1 -2.5 -26 1127 No stop 00 17 00 --- 11 18 40 60.7 176.9 -0.1 -2.0 64 1132 00 15 31 00 17 00 SDSSJ1128+24 11 18 40 61.0 174.9 -0.2 -3.4 -24 1132 No stop 00 22 00 --- 11 23 41 61.1 177.2 -0.1 -1.8 276 1152 00 17 01 00 22 40 J1124+2336 11 24 21 60.7 179.6 -0.0 -0.3 14 1152 00 22 40 00 24 10 --- 11 25 51 60.7 180.3 0.0 0.2 90 1157 00 22 41 00 24 10 SDSSJ1128+24 11 25 51 61.1 178.3 -0.1 -1.2 -23 1157 No stop 00 29 10 --- 11 30 52 61.1 180.6 0.0 0.4 277 1177 00 24 11 00 29 10 J1124+2336 11 30 52 60.7 182.6 0.1 1.7 -25 1177 No stop 00 30 40 --- 11 32 22 60.7 183.3 0.1 2.2 65 1183 00 29 11 00 30 40 SDSSJ1128+24 11 32 22 61.1 181.3 0.0 0.9 -23 1183 No stop 00 35 40 --- 11 37 23 61.1 183.7 0.1 2.4 277 1202 00 30 41 00 36 20 J1124+2336 11 38 03 60.6 186.0 0.2 3.9 15 1202 00 36 20 00 37 50 --- 11 39 33 60.6 186.7 0.2 4.4 90 1208 00 36 21 00 37 50 SDSSJ1128+24 11 39 33 61.1 184.7 0.2 3.1 -23 1208 No stop 00 42 50 --- 11 44 34 61.0 187.1 0.3 4.7 277 1227 00 37 51 00 42 50 J1124+2336 11 44 34 60.5 189.0 0.3 5.9 -25 1227 No stop 00 44 20 --- 11 46 04 60.4 189.7 0.3 6.4 65 1233 00 42 51 00 44 20 SDSSJ1128+24 11 46 04 60.9 187.8 0.3 5.1 -23 1233 No stop 00 49 20 --- 11 51 05 60.8 190.1 0.4 6.7 277 1252 00 44 21 00 50 00 J1124+2336 11 51 45 60.3 192.3 0.4 8.1 15 1252 00 50 00 00 51 30 --- 11 53 15 60.2 193.0 0.5 8.5 90 1258 00 50 01 00 51 30 SDSSJ1128+24 11 53 15 60.8 191.1 0.4 7.3 -22 1258 No stop 00 56 30 --- 11 58 16 60.6 193.5 0.5 8.9 278 1277 00 51 31 00 56 30 J1124+2336 11 58 16 60.0 195.3 0.5 10.0 -24 1277 No stop 00 58 00 --- 11 59 46 60.0 195.9 0.6 10.4 66 1283 00 56 31 Schedule for KNOCKIN (Code Kn ) Page 9 Observations of radio-quiet quasars: SDSSJ1128+2402 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 11 Mar 2023 Day 70 --- 00 58 00 SDSSJ1128+24 11 59 46 60.6 194.2 0.5 9.3 -22 1283 No stop 01 03 00 --- 12 04 47 60.4 196.4 0.6 10.8 278 1302 00 58 01 01 03 40 J1124+2336 12 05 27 59.7 198.5 0.7 12.1 16 1302 01 03 40 01 05 10 --- 12 06 58 59.6 199.2 0.7 12.5 90 1308 01 03 41 01 05 10 SDSSJ1128+24 12 06 58 60.3 197.4 0.6 11.4 -22 1308 No stop 01 10 10 --- 12 11 58 60.0 199.7 0.7 12.9 278 1327 01 05 11 01 10 10 J1124+2336 12 11 58 59.4 201.4 0.8 13.9 -23 1327 No stop 01 11 40 --- 12 13 29 59.3 202.0 0.8 14.3 67 1333 01 10 11 01 11 40 SDSSJ1128+24 12 13 29 59.9 200.3 0.7 13.3 -21 1333 No stop 01 16 40 --- 12 18 30 59.7 202.6 0.8 14.7 279 1353 01 11 41 01 17 20 J1124+2336 12 19 10 59.0 204.5 0.9 15.9 17 1353 01 17 20 01 18 50 --- 12 20 40 58.9 205.1 0.9 16.3 90 1358 01 17 21 01 18 50 SDSSJ1128+24 12 20 40 59.5 203.5 0.9 15.3 -21 1358 No stop 01 23 50 --- 12 25 41 59.2 205.7 0.9 16.7 279 1378 01 18 51 01 23 50 J1124+2336 12 25 41 58.5 207.2 1.0 17.6 -23 1378 No stop 01 25 20 --- 12 27 11 58.4 207.9 1.0 17.9 67 1384 01 23 51 01 25 20 SDSSJ1128+24 12 27 11 59.1 206.3 1.0 17.0 -21 1384 No stop 01 30 20 --- 12 32 12 58.8 208.4 1.0 18.4 279 1403 01 25 21 01 31 00 J1124+2336 12 32 52 58.0 210.2 1.1 19.4 18 1403 01 31 00 01 32 30 --- 12 34 22 57.9 210.8 1.2 19.7 90 1409 01 31 01 01 32 30 SDSSJ1128+24 12 34 22 58.6 209.3 1.1 18.9 -20 1409 No stop 01 37 30 --- 12 39 23 58.2 211.4 1.2 20.2 280 1428 01 32 31 01 37 30 J1124+2336 12 39 23 57.5 212.8 1.2 20.9 -22 1428 No stop 01 39 00 --- 12 40 53 57.4 213.4 1.3 21.3 68 1434 01 37 31 01 39 00 SDSSJ1128+24 12 40 53 58.1 212.0 1.2 20.5 -20 1434 No stop 01 44 00 --- 12 45 54 57.7 214.0 1.3 21.7 280 1453 01 39 01 01 44 40 J1124+2336 12 46 34 56.9 215.7 1.4 22.6 19 1453 01 44 40 01 46 10 --- 12 48 04 56.7 216.2 1.4 22.9 90 1459 01 44 41 01 46 10 SDSSJ1128+24 12 48 04 57.5 214.9 1.3 22.2 -20 1459 No stop 01 51 10 --- 12 53 05 57.1 216.8 1.4 23.4 280 1478 01 46 11 Schedule for KNOCKIN (Code Kn ) Page 10 Observations of radio-quiet quasars: SDSSJ1128+2402 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 11 Mar 2023 Day 70 --- 01 51 10 J1124+2336 12 53 05 56.3 218.1 1.5 24.0 -21 1478 No stop 01 52 40 --- 12 54 35 56.1 218.7 1.5 24.4 69 1484 01 51 11 01 52 40 SDSSJ1128+24 12 54 35 56.9 217.4 1.4 23.7 -19 1484 No stop 01 57 40 --- 12 59 36 56.5 219.3 1.5 24.8 281 1503 01 52 41 01 58 20 J1124+2336 13 00 16 55.6 220.8 1.6 25.5 19 1503 01 58 20 01 59 50 --- 13 01 47 55.4 221.4 1.6 25.8 90 1509 01 58 21 01 59 50 SDSSJ1128+24 13 01 47 56.2 220.1 1.5 25.2 -19 1509 No stop 02 04 50 --- 13 06 47 55.8 222.0 1.6 26.3 281 1528 01 59 51 02 04 50 J1124+2336 13 06 47 54.9 223.2 1.7 26.8 -20 1528 No stop 02 06 20 --- 13 08 18 54.8 223.7 1.7 27.1 70 1534 02 04 51 02 06 20 SDSSJ1128+24 13 08 18 55.6 222.5 1.6 26.6 -18 1534 No stop 02 11 20 --- 13 13 19 55.1 224.3 1.7 27.5 282 1554 02 06 21 02 12 00 J1124+2336 13 13 59 54.2 225.7 1.8 28.2 20 1554 02 12 00 02 13 30 --- 13 15 29 54.0 226.2 1.8 28.4 90 1559 02 12 01 02 13 30 SDSSJ1128+24 13 15 29 54.8 225.1 1.8 27.9 -18 1559 No stop 02 18 30 --- 13 20 30 54.3 226.8 1.8 28.8 282 1579 02 13 31 02 18 30 J1124+2336 13 20 30 53.5 227.9 1.9 29.3 -19 1579 No stop 02 20 00 --- 13 22 00 53.3 228.4 1.9 29.5 71 1584 02 18 31 ---------- Fringe Finder ---------- 02 22 10 3C273B 13 24 10 37.9 197.2 0.9 10.3 13 1584 02 22 10 02 27 10 --- 13 29 11 37.7 198.7 1.0 11.2 300 1604 02 22 11 02 29 20 SDSSJ1128+24 13 31 21 53.1 230.5 2.0 30.7 12 1604 02 29 20 02 34 20 --- 13 36 22 52.5 232.1 2.1 31.5 300 1623 02 29 21 02 35 00 J1124+2336 13 37 02 51.5 233.3 2.2 31.9 22 1623 02 35 00 02 36 30 --- 13 38 33 51.3 233.7 2.2 32.1 90 1629 02 35 01 02 36 30 SDSSJ1128+24 13 38 33 52.2 232.8 2.1 31.8 -17 1629 No stop 02 41 30 --- 13 43 33 51.6 234.3 2.2 32.5 283 1648 02 36 31 02 41 30 J1124+2336 13 43 33 50.7 235.3 2.3 32.8 -18 1648 No stop 02 43 00 --- 13 45 04 50.5 235.7 2.3 33.0 72 1654 02 41 31 Schedule for KNOCKIN (Code Kn ) Page 11 Observations of radio-quiet quasars: SDSSJ1128+2402 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 11 Mar 2023 Day 70 --- 02 43 00 SDSSJ1128+24 13 45 04 51.4 234.8 2.3 32.7 -17 1654 No stop 02 48 00 --- 13 50 05 50.8 236.3 2.3 33.4 283 1673 02 43 01 02 48 40 J1124+2336 13 50 45 49.8 237.4 2.4 33.8 22 1673 02 48 40 02 50 10 --- 13 52 15 49.6 237.9 2.4 33.9 90 1679 02 48 41 02 50 10 SDSSJ1128+24 13 52 15 50.5 237.0 2.4 33.7 -17 1679 No stop 02 55 10 --- 13 57 16 49.9 238.5 2.5 34.3 283 1698 02 50 11 02 55 10 J1124+2336 13 57 16 49.0 239.3 2.5 34.6 -17 1698 No stop 02 56 40 --- 13 58 46 48.8 239.8 2.6 34.7 73 1704 02 55 11 02 56 40 SDSSJ1128+24 13 58 46 49.7 238.9 2.5 34.5 -17 1704 No stop 03 01 40 --- 14 03 47 49.0 240.4 2.6 35.1 283 1724 02 56 41 03 02 20 J1124+2336 14 04 27 48.0 241.4 2.7 35.4 23 1724 03 02 20 03 03 50 --- 14 05 57 47.8 241.8 2.7 35.5 90 1729 03 02 21 03 03 50 SDSSJ1128+24 14 05 57 48.7 241.0 2.6 35.3 -17 1729 No stop 03 08 50 --- 14 10 58 48.1 242.4 2.7 35.9 283 1749 03 03 51 03 08 50 J1124+2336 14 10 58 47.2 243.2 2.8 36.0 -17 1749 No stop 03 10 20 --- 14 12 28 47.0 243.6 2.8 36.2 73 1755 03 08 51 03 10 20 SDSSJ1128+24 14 12 28 47.9 242.8 2.7 36.0 -17 1755 No stop 03 15 20 --- 14 17 29 47.2 244.2 2.8 36.5 283 1774 03 10 21 03 16 00 J1124+2336 14 18 09 46.2 245.1 2.9 36.7 23 1774 03 16 00 03 17 30 --- 14 19 39 46.0 245.5 2.9 36.9 90 1780 03 16 01 03 17 30 SDSSJ1128+24 14 19 39 46.9 244.7 2.8 36.7 -17 1780 No stop 03 22 30 --- 14 24 40 46.2 246.1 2.9 37.2 283 1799 03 17 31 03 22 30 J1124+2336 14 24 40 45.3 246.8 3.0 37.3 -18 1799 No stop 03 24 00 --- 14 26 10 45.1 247.2 3.0 37.4 72 1805 03 22 31 03 24 00 SDSSJ1128+24 14 26 10 46.0 246.5 2.9 37.3 -17 1805 No stop 03 29 00 --- 14 31 11 45.3 247.8 3.0 37.8 283 1824 03 24 01 03 29 40 J1124+2336 14 31 51 44.3 248.7 3.1 37.9 22 1824 03 29 40 03 31 10 --- 14 33 22 44.1 249.0 3.1 38.0 90 1830 03 29 41 03 31 10 SDSSJ1128+24 14 33 22 45.0 248.3 3.1 37.9 -17 1830 No stop 03 36 10 --- 14 38 22 44.3 249.6 3.1 38.3 283 1849 03 31 11 Schedule for KNOCKIN (Code Kn ) Page 12 Observations of radio-quiet quasars: SDSSJ1128+2402 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 11 Mar 2023 Day 70 --- 03 36 10 J1124+2336 14 38 22 43.4 250.3 3.2 38.4 -18 1849 No stop 03 37 40 --- 14 39 53 43.1 250.7 3.2 38.5 72 1855 03 36 11 03 37 40 SDSSJ1128+24 14 39 53 44.1 250.0 3.2 38.4 -17 1855 No stop 03 42 40 --- 14 44 54 43.4 251.2 3.3 38.8 283 1874 03 37 41 03 43 20 J1124+2336 14 45 34 42.3 252.0 3.3 38.8 22 1874 03 43 20 03 44 50 --- 14 47 04 42.1 252.4 3.4 38.9 90 1880 03 43 21 03 44 50 SDSSJ1128+24 14 47 04 43.1 251.7 3.3 38.9 -17 1880 No stop 03 49 50 --- 14 52 05 42.3 253.0 3.4 39.2 283 1899 03 44 51 03 49 50 J1124+2336 14 52 05 41.4 253.6 3.4 39.2 -18 1899 No stop 03 51 20 --- 14 53 35 41.2 254.0 3.5 39.3 72 1905 03 49 51 03 51 20 SDSSJ1128+24 14 53 35 42.1 253.3 3.4 39.3 -17 1905 No stop 03 56 20 --- 14 58 36 41.4 254.5 3.5 39.6 283 1925 03 51 21 03 57 00 J1124+2336 14 59 16 40.3 255.3 3.6 39.6 22 1925 03 57 00 03 58 30 --- 15 00 46 40.1 255.6 3.6 39.7 90 1930 03 57 01 03 58 30 SDSSJ1128+24 15 00 46 41.1 255.0 3.5 39.7 -17 1930 No stop 04 03 30 --- 15 05 47 40.3 256.2 3.6 40.0 283 1950 03 58 31 04 03 30 J1124+2336 15 05 47 39.4 256.8 3.7 39.9 -18 1950 No stop 04 05 00 --- 15 07 17 39.2 257.1 3.7 40.0 72 1955 04 03 31 04 05 00 SDSSJ1128+24 15 07 17 40.1 256.5 3.6 40.0 -17 1955 No stop 04 10 00 --- 15 12 18 39.4 257.7 3.7 40.3 283 1975 04 05 01 04 10 40 J1124+2336 15 12 58 38.3 258.4 3.8 40.2 22 1975 04 10 40 04 12 10 --- 15 14 28 38.1 258.7 3.8 40.3 90 1981 04 10 41 04 12 10 SDSSJ1128+24 15 14 28 39.1 258.1 3.7 40.3 -17 1981 No stop 04 17 10 --- 15 19 29 38.3 259.3 3.8 40.5 283 2000 04 12 11 04 17 10 J1124+2336 15 19 29 37.4 259.8 3.9 40.5 -18 2000 No stop 04 18 40 --- 15 20 59 37.1 260.2 3.9 40.5 72 2006 04 17 11 04 18 40 SDSSJ1128+24 15 20 59 38.1 259.6 3.9 40.6 -17 2006 No stop 04 23 40 --- 15 26 00 37.3 260.7 3.9 40.8 283 2025 04 18 41 04 24 20 J1124+2336 15 26 40 36.3 261.4 4.0 40.7 22 2025 04 24 20 04 25 50 --- 15 28 11 36.1 261.7 4.0 40.7 90 2031 04 24 21 Schedule for KNOCKIN (Code Kn ) Page 13 Observations of radio-quiet quasars: SDSSJ1128+2402 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 11 Mar 2023 Day 70 --- 04 25 50 SDSSJ1128+24 15 28 11 37.0 261.2 4.0 40.8 -17 2031 No stop 04 30 50 --- 15 33 11 36.3 262.2 4.1 41.0 283 2050 04 25 51 04 30 50 J1124+2336 15 33 11 35.3 262.8 4.1 40.9 -18 2050 No stop 04 32 20 --- 15 34 42 35.1 263.1 4.2 40.9 72 2056 04 30 51 04 32 20 SDSSJ1128+24 15 34 42 36.0 262.6 4.1 41.0 -17 2056 No stop 04 37 20 --- 15 39 42 35.3 263.6 4.2 41.1 283 2075 04 32 21 04 38 00 J1124+2336 15 40 23 34.2 264.3 4.3 41.0 22 2075 04 38 00 04 39 30 --- 15 41 53 34.0 264.6 4.3 41.0 90 2081 04 38 01 04 39 30 SDSSJ1128+24 15 41 53 35.0 264.1 4.2 41.1 -17 2081 No stop 04 44 30 --- 15 46 54 34.2 265.1 4.3 41.2 283 2100 04 39 31 04 44 30 J1124+2336 15 46 54 33.2 265.7 4.4 41.1 -18 2100 No stop 04 46 00 --- 15 48 24 33.0 266.0 4.4 41.1 72 2106 04 44 31 04 46 00 SDSSJ1128+24 15 48 24 34.0 265.4 4.3 41.3 -17 2106 No stop 04 51 00 --- 15 53 25 33.2 266.5 4.4 41.3 283 2126 04 46 01 04 51 00 J1124+2336 15 53 25 32.3 267.0 4.5 41.2 -18 2126 No stop 04 52 30 --- 15 54 55 32.0 267.3 4.5 41.2 72 2131 04 51 01 ---------- Fringe Finder ---------- 04 55 00 3C273B 15 57 25 23.6 239.0 3.5 31.2 42 2131 04 55 00 05 00 00 --- 16 02 26 23.0 240.1 3.5 31.7 300 2151 04 55 01 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) * SDSSJ1128+24 11 25 40.448459 * 11 28 18.510000 11 29 32.676867 0.00 24 18 49.09613 * 24 02 17.50000 23 54 34.03214 0.00 From catalog imbedded in main SCHED input file. * J1124+2336 11 21 24.189204 * 11 24 02.705900 11 25 17.074232 0.00 23 53 14.61926 * 23 36 45.87000 23 29 03.91244 0.00 From catalog imbedded in main SCHED input file. * 4C39.25 09 23 55.319219 * 09 27 03.013940 09 28 30.850788 0.00 39 15 23.56640 * 39 02 20.85180 38 56 21.86878 0.00 From catalog imbedded in main SCHED input file. * 3C273B 12 26 33.245835 * 12 29 06.699731 12 30 18.478700 1.03 J1229+0203 02 19 43.30570 * 02 03 08.59820 01 55 22.32873 1.38 3C273 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc 1226+023 GSFC 2016a X/S astro solution, 32136 observations. J1229+02 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 SDSSJ1128+2sess123.L1024 1 2 3 4 5 6 7 8 9 14 15 6.750 551.254 J1124+2336 sess123.L1024 1 2 3 4 5 6 7 8 9 14 15 2.108 152.203 4C39.25 sess123.L1024 1 2 3 4 5 6 7 8 9 14 15 0.083 8.750 3C273B sess123.L1024 1 2 3 4 5 6 7 8 9 14 15 0.333 28.269 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) SDSSJ1128+24 159.9 J1124+2336 160.4 4C39.25 136.3 3C273B 163.3 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