COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: LSR J1835 global observations Exp. Code: GC039 Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Juan B. Climent Address: Dpto. Astronomia, Univ. Valencia Dr. Moliner 50 E-46100 Burjassot Valencia, Spain Phone: +34 963543078 EMAIL: cliojuan@uv.es Fax: Phone during observation: +34 963543078, +34629509130 Observing mode: Phase-referencing at 6cm (4 Gbps) Notes: Please, make sure PHASE CAL is OFF Version 2: Removed Nt and added Ys to stations; changed the scan order a little bit. Schedule for VLBA_BR (Code Br ) Page 2 LSR J1835 global observations 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 2 Nov 2023 Day 306 --- Next scan frequencies: 4612.00 4612.00 4740.00 4740.00 4868.00 4868.00 4996.00 4996.00 Next BBC frequencies: 512.00 512.00 640.00 640.00 768.00 768.00 896.00 896.00 Next scan bandwidths: 128.00 128.00 128.00 128.00 128.00 128.00 128.00 128.00 16 00 00 OQ208 10 47 57 47.0 98.8 -3.3 -48.5 0 0 16 00 00 16 06 20 --- 10 54 18 48.0 100.2 -3.2 -48.3 380 196 16 00 01 16 06 50 3C286 10 54 48 55.3 106.2 -2.6 -48.0 7 196 16 06 50 16 09 50 --- 10 57 49 55.8 107.0 -2.6 -47.7 180 289 16 06 51 16 12 50 1830+285 11 00 49 7.2 54.4 -7.5 -38.2 71 289 16 12 50 16 22 50 --- 11 10 51 8.6 56.2 -7.4 -39.1 600 598 16 12 51 16 23 20 J1848+3219 11 11 21 9.5 51.2 -7.6 -38.0 19 598 16 23 20 16 25 20 =1846+322 11 13 21 9.7 51.6 -7.6 -38.2 120 660 16 23 21 16 25 20 LSRJ1835+325 11 13 21 12.0 53.3 -7.4 -39.6 -13 660 16 25 33 16 29 20 --- 11 17 22 12.5 53.9 -7.3 -40.0 227 777 16 25 21 16 29 20 J1848+3219 11 17 22 10.3 52.2 -7.5 -38.6 -12 777 16 29 32 16 31 20 =1846+322 11 19 22 10.5 52.6 -7.5 -38.9 108 832 16 29 21 16 31 20 LSRJ1835+325 11 19 22 12.8 54.2 -7.3 -40.2 -13 832 16 31 33 16 35 20 --- 11 23 23 13.3 54.9 -7.2 -40.6 227 949 16 31 21 16 35 40 J1848+3219 11 23 43 11.1 53.3 -7.4 -39.3 7 949 16 35 40 16 37 40 =1846+322 11 25 43 11.4 53.6 -7.4 -39.5 120 1011 16 35 41 16 37 40 LSRJ1835+325 11 25 43 13.6 55.3 -7.2 -40.9 -13 1011 16 37 53 16 41 40 --- 11 29 44 14.2 55.9 -7.1 -41.3 227 1128 16 37 41 16 41 40 J1848+3219 11 29 44 11.9 54.3 -7.3 -39.9 -13 1128 16 41 53 16 43 40 =1846+322 11 31 44 12.2 54.6 -7.3 -40.1 107 1183 16 41 41 16 43 40 LSRJ1835+325 11 31 44 14.5 56.3 -7.1 -41.4 -13 1183 16 43 53 16 47 40 --- 11 35 45 15.0 56.9 -7.0 -41.8 227 1300 16 43 41 16 48 00 J1848+3219 11 36 05 12.8 55.3 -7.2 -40.5 7 1300 16 48 00 16 50 00 =1846+322 11 38 05 13.1 55.7 -7.2 -40.7 120 1362 16 48 01 16 50 00 LSRJ1835+325 11 38 05 15.4 57.3 -7.0 -42.0 -13 1362 16 50 13 16 54 00 --- 11 42 06 15.9 57.9 -6.9 -42.4 227 1479 16 50 01 16 54 00 J1848+3219 11 42 06 13.6 56.3 -7.1 -41.1 -13 1479 16 54 13 16 56 00 =1846+322 11 44 06 13.9 56.7 -7.1 -41.3 107 1534 16 54 01 Schedule for VLBA_BR (Code Br ) Page 3 LSR J1835 global observations 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 2 Nov 2023 Day 306 --- 16 56 00 LSRJ1835+325 11 44 06 16.2 58.3 -6.9 -42.6 -13 1534 16 56 13 17 00 00 --- 11 48 07 16.8 58.9 -6.8 -43.0 227 1651 16 56 01 17 00 20 J1848+3219 11 48 27 14.5 57.4 -7.0 -41.7 7 1651 17 00 20 17 02 20 =1846+322 11 50 27 14.8 57.7 -7.0 -41.9 120 1713 17 00 21 17 02 20 LSRJ1835+325 11 50 27 17.1 59.3 -6.8 -43.2 -13 1713 17 02 33 17 04 20 --- 11 52 28 17.4 59.6 -6.7 -43.4 107 1768 17 02 21 17 04 20 J1848+3219 11 52 28 15.1 58.0 -6.9 -42.1 -13 1768 17 04 33 17 06 20 =1846+322 11 54 28 15.4 58.3 -6.9 -42.3 107 1823 17 04 21 17 07 50 3C286 11 55 58 64.5 125.3 -1.6 -39.2 -20 1823 17 08 10 17 11 50 --- 11 59 59 65.0 126.9 -1.5 -38.2 220 1936 17 07 51 17 13 50 LSRJ1835+325 12 01 59 18.8 61.1 -6.6 -44.2 16 1936 17 13 50 17 18 50 --- 12 07 00 19.5 61.9 -6.5 -44.6 300 2091 17 13 51 17 18 50 J1848+3219 12 07 00 17.2 60.4 -6.7 -43.4 -13 2091 17 19 03 17 19 50 =1846+322 12 08 00 17.3 60.5 -6.7 -43.5 47 2115 17 18 51 17 19 50 LSRJ1835+325 12 08 00 19.7 62.1 -6.5 -44.7 -13 2115 17 20 03 17 22 50 --- 12 11 01 20.1 62.5 -6.4 -44.9 167 2201 17 19 51 17 23 10 J1848+3219 12 11 21 17.8 61.1 -6.6 -43.7 7 2201 17 23 10 17 24 10 =1846+322 12 12 21 17.9 61.2 -6.6 -43.8 60 2232 17 23 11 17 24 10 LSRJ1835+325 12 12 21 20.3 62.8 -6.4 -45.0 -13 2232 17 24 23 17 28 10 --- 12 16 22 20.9 63.4 -6.3 -45.4 227 2349 17 24 11 17 28 10 J1848+3219 12 16 22 18.5 61.9 -6.5 -44.2 -13 2349 17 28 23 17 30 10 =1846+322 12 18 22 18.8 62.2 -6.5 -44.3 107 2404 17 28 11 17 30 10 LSRJ1835+325 12 18 22 21.2 63.7 -6.3 -45.5 -13 2404 17 30 23 17 34 10 --- 12 22 22 21.8 64.3 -6.2 -45.8 227 2521 17 30 11 17 34 30 J1848+3219 12 22 43 19.5 62.9 -6.4 -44.7 7 2521 17 34 30 17 36 30 =1846+322 12 24 43 19.8 63.2 -6.4 -44.8 120 2583 17 34 31 17 36 30 LSRJ1835+325 12 24 43 22.2 64.7 -6.2 -46.0 -13 2583 17 36 43 17 40 30 --- 12 28 44 22.8 65.3 -6.1 -46.3 227 2700 17 36 31 17 40 30 J1848+3219 12 28 44 20.4 63.8 -6.3 -45.2 -13 2700 17 40 43 17 42 30 =1846+322 12 30 44 20.7 64.2 -6.3 -45.3 107 2755 17 40 31 Schedule for VLBA_BR (Code Br ) Page 4 LSR J1835 global observations 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 2 Nov 2023 Day 306 --- 17 42 30 LSRJ1835+325 12 30 44 23.1 65.6 -6.1 -46.5 -13 2755 17 42 43 17 46 30 --- 12 34 45 23.7 66.3 -6.0 -46.8 227 2872 17 42 31 17 46 50 J1848+3219 12 35 05 21.3 64.8 -6.2 -45.7 7 2872 17 46 50 17 48 50 =1846+322 12 37 05 21.6 65.2 -6.2 -45.8 120 2934 17 46 51 17 48 50 LSRJ1835+325 12 37 05 24.0 66.6 -6.0 -47.0 -13 2934 17 49 03 17 52 50 --- 12 41 06 24.6 67.3 -5.9 -47.2 227 3051 17 48 51 17 52 50 J1848+3219 12 41 06 22.2 65.8 -6.1 -46.1 -13 3051 17 53 03 17 54 50 =1846+322 12 43 06 22.5 66.1 -6.1 -46.3 107 3106 17 52 51 17 54 50 LSRJ1835+325 12 43 06 25.0 67.6 -5.9 -47.4 -13 3106 17 55 03 17 58 50 --- 12 47 07 25.6 68.2 -5.8 -47.7 227 3223 17 54 51 17 59 10 J1848+3219 12 47 27 23.2 66.8 -6.0 -46.6 7 3223 17 59 10 18 01 10 =1846+322 12 49 27 23.5 67.1 -6.0 -46.7 120 3285 17 59 11 18 01 10 LSRJ1835+325 12 49 27 25.9 68.6 -5.8 -47.8 -13 3285 18 01 23 18 05 10 --- 12 53 28 26.6 69.2 -5.7 -48.1 227 3402 18 01 11 18 05 10 J1848+3219 12 53 28 24.1 67.8 -5.9 -47.0 -13 3402 18 05 23 18 07 10 =1846+322 12 55 28 24.4 68.1 -5.9 -47.1 107 3457 18 05 11 18 07 10 LSRJ1835+325 12 55 28 26.9 69.5 -5.7 -48.2 -13 3457 18 07 23 18 11 10 --- 12 59 29 27.5 70.1 -5.6 -48.5 227 3574 18 07 11 18 11 30 J1848+3219 12 59 49 25.1 68.8 -5.8 -47.4 7 3574 18 11 30 18 13 30 =1846+322 13 01 49 25.4 69.1 -5.8 -47.6 120 3636 18 11 31 18 13 30 LSRJ1835+325 13 01 49 27.9 70.5 -5.6 -48.6 -13 3636 18 13 43 18 17 30 --- 13 05 50 28.5 71.1 -5.5 -48.9 227 3753 18 13 31 18 17 30 J1848+3219 13 05 50 26.1 69.7 -5.7 -47.8 -13 3753 18 17 43 18 19 30 =1846+322 13 07 50 26.4 70.0 -5.7 -47.9 107 3808 18 17 31 18 19 30 LSRJ1835+325 13 07 50 28.8 71.5 -5.5 -49.0 -13 3808 18 19 43 18 23 30 --- 13 11 51 29.5 72.1 -5.4 -49.2 227 3925 18 19 31 18 23 50 J1848+3219 13 12 11 27.1 70.7 -5.6 -48.2 7 3925 18 23 50 18 25 50 =1846+322 13 14 11 27.4 71.0 -5.6 -48.3 120 3987 18 23 51 18 25 50 LSRJ1835+325 13 14 11 29.8 72.5 -5.4 -49.4 -13 3987 18 26 03 18 29 50 --- 13 18 12 30.5 73.1 -5.3 -49.6 227 4104 18 25 51 Schedule for VLBA_BR (Code Br ) Page 5 LSR J1835 global observations 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 2 Nov 2023 Day 306 --- 18 29 50 J1848+3219 13 18 12 28.0 71.7 -5.5 -48.6 -13 4104 18 30 03 18 31 50 =1846+322 13 20 12 28.3 72.0 -5.5 -48.7 107 4159 18 29 51 18 31 50 LSRJ1835+325 13 20 12 30.8 73.4 -5.3 -49.7 -13 4159 18 32 03 18 35 50 --- 13 24 13 31.4 74.0 -5.2 -49.9 227 4276 18 31 51 18 36 10 J1848+3219 13 24 33 29.0 72.7 -5.4 -48.9 7 4276 18 36 10 18 38 10 =1846+322 13 26 33 29.3 73.0 -5.4 -49.1 120 4338 18 36 11 18 38 10 LSRJ1835+325 13 26 33 31.8 74.4 -5.2 -50.1 -13 4338 18 38 23 18 42 10 --- 13 30 34 32.5 75.0 -5.1 -50.3 227 4455 18 38 11 18 42 10 J1848+3219 13 30 34 30.0 73.6 -5.3 -49.3 -13 4455 18 42 23 18 44 10 =1846+322 13 32 34 30.3 73.9 -5.3 -49.4 107 4510 18 42 11 18 44 10 LSRJ1835+325 13 32 34 32.8 75.4 -5.1 -50.4 -13 4510 18 44 23 18 48 10 --- 13 36 35 33.4 76.0 -5.0 -50.6 227 4627 18 44 11 18 48 30 J1848+3219 13 36 55 31.0 74.6 -5.2 -49.6 7 4627 18 48 30 18 50 30 =1846+322 13 38 55 31.3 75.0 -5.2 -49.7 120 4689 18 48 31 18 50 30 LSRJ1835+325 13 38 55 33.8 76.4 -5.0 -50.7 -13 4689 18 50 43 18 53 30 --- 13 41 56 34.3 76.9 -4.9 -50.8 167 4775 18 50 31 18 53 30 J1848+3219 13 41 56 31.8 75.4 -5.1 -49.9 -13 4775 18 53 43 18 55 30 =1846+322 13 43 56 32.1 75.8 -5.1 -50.0 107 4830 18 53 31 18 55 30 LSRJ1835+325 13 43 56 34.6 77.2 -4.9 -50.9 -13 4830 18 55 43 18 57 30 --- 13 45 56 34.9 77.5 -4.8 -51.0 107 4885 18 55 31 18 57 50 J1848+3219 13 46 16 32.5 76.1 -5.0 -50.1 7 4885 18 57 50 18 59 50 =1846+322 13 48 17 32.8 76.5 -5.0 -50.2 120 4947 18 57 51 18 59 50 LSRJ1835+325 13 48 17 35.3 77.9 -4.8 -51.1 -13 4947 19 00 03 19 03 50 --- 13 52 17 36.0 78.5 -4.7 -51.3 227 5064 18 59 51 19 03 50 J1848+3219 13 52 17 33.5 77.1 -4.9 -50.4 -13 5064 19 04 03 19 05 50 =1846+322 13 54 18 33.8 77.4 -4.9 -50.4 107 5119 19 03 51 19 05 50 LSRJ1835+325 13 54 18 36.3 78.9 -4.7 -51.4 -13 5119 19 06 03 19 09 50 --- 13 58 18 37.0 79.5 -4.6 -51.5 227 5236 19 05 51 19 10 10 J1848+3219 13 58 38 34.5 78.1 -4.8 -50.6 7 5236 19 10 10 19 12 10 =1846+322 14 00 39 34.8 78.5 -4.8 -50.7 120 5298 19 10 11 Schedule for VLBA_BR (Code Br ) Page 6 LSR J1835 global observations 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 2 Nov 2023 Day 306 --- 19 12 10 LSRJ1835+325 14 00 39 37.4 79.9 -4.6 -51.6 -13 5298 19 12 23 19 16 10 --- 14 04 39 38.0 80.5 -4.5 -51.7 227 5415 19 12 11 19 16 10 J1848+3219 14 04 39 35.5 79.1 -4.7 -50.9 -13 5415 19 16 23 19 18 10 =1846+322 14 06 40 35.8 79.4 -4.7 -51.0 107 5470 19 16 11 19 18 10 LSRJ1835+325 14 06 40 38.3 80.9 -4.5 -51.8 -13 5470 19 18 23 19 22 10 --- 14 10 40 39.0 81.5 -4.4 -51.9 227 5587 19 18 11 19 22 30 J1848+3219 14 11 00 36.5 80.2 -4.6 -51.1 7 5587 19 22 30 19 24 30 =1846+322 14 13 01 36.9 80.5 -4.6 -51.2 120 5648 19 22 31 19 24 30 LSRJ1835+325 14 13 01 39.4 81.9 -4.4 -52.0 -13 5648 19 24 43 19 28 30 --- 14 17 01 40.1 82.6 -4.3 -52.1 227 5765 19 24 31 19 28 30 J1848+3219 14 17 01 37.5 81.2 -4.5 -51.3 -13 5765 19 28 43 19 30 30 =1846+322 14 19 02 37.9 81.5 -4.5 -51.4 107 5821 19 28 31 19 30 30 LSRJ1835+325 14 19 02 40.4 82.9 -4.3 -52.2 -13 5821 19 30 43 19 34 30 --- 14 23 02 41.0 83.6 -4.2 -52.3 227 5938 19 30 31 19 34 50 J1848+3219 14 23 22 38.6 82.2 -4.4 -51.5 7 5938 19 34 50 19 36 50 =1846+322 14 25 23 38.9 82.6 -4.4 -51.6 120 5999 19 34 51 19 36 50 LSRJ1835+325 14 25 23 41.4 84.0 -4.2 -52.3 -13 5999 19 37 03 19 40 50 --- 14 29 23 42.1 84.7 -4.1 -52.4 227 6116 19 36 51 19 40 50 J1848+3219 14 29 23 39.6 83.2 -4.3 -51.7 -13 6116 19 41 03 19 42 50 =1846+322 14 31 24 39.9 83.6 -4.3 -51.7 107 6171 19 40 51 19 42 50 LSRJ1835+325 14 31 24 42.4 85.1 -4.1 -52.5 -13 6171 19 43 03 19 46 50 --- 14 35 24 43.1 85.8 -4.0 -52.5 227 6288 19 42 51 19 47 10 J1848+3219 14 35 44 40.6 84.3 -4.2 -51.8 7 6288 19 47 10 19 49 10 =1846+322 14 37 45 41.0 84.7 -4.2 -51.9 120 6350 19 47 11 19 49 10 LSRJ1835+325 14 37 45 43.5 86.2 -4.0 -52.6 -13 6350 19 49 23 19 53 10 --- 14 41 45 44.2 86.9 -3.9 -52.6 227 6467 19 49 11 19 53 10 J1848+3219 14 41 45 41.6 85.4 -4.1 -51.9 -13 6467 19 53 23 19 55 10 =1846+322 14 43 46 42.0 85.7 -4.1 -52.0 107 6522 19 53 11 19 55 10 LSRJ1835+325 14 43 46 44.5 87.2 -3.9 -52.7 -13 6522 19 55 23 19 59 10 --- 14 47 46 45.2 87.9 -3.8 -52.7 227 6639 19 55 11 Schedule for VLBA_BR (Code Br ) Page 7 LSR J1835 global observations 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 2 Nov 2023 Day 306 --- 19 59 30 J1848+3219 14 48 06 42.7 86.5 -4.0 -52.0 7 6639 19 59 30 20 01 30 =1846+322 14 50 07 43.0 86.8 -4.0 -52.1 120 6701 19 59 31 20 01 30 LSRJ1835+325 14 50 07 45.6 88.4 -3.8 -52.7 -13 6701 20 01 43 20 05 30 --- 14 54 07 46.2 89.1 -3.7 -52.7 227 6818 20 01 31 20 05 30 J1848+3219 14 54 07 43.7 87.5 -3.9 -52.1 -13 6818 20 05 43 20 07 30 =1846+322 14 56 08 44.0 87.9 -3.9 -52.1 107 6873 20 05 31 20 07 30 LSRJ1835+325 14 56 08 46.6 89.5 -3.7 -52.7 -13 6873 20 07 43 20 11 30 --- 15 00 08 47.2 90.2 -3.6 -52.7 227 6990 20 07 31 20 11 50 J1848+3219 15 00 28 44.7 88.7 -3.8 -52.2 7 6990 20 11 50 20 13 50 =1846+322 15 02 29 45.1 89.1 -3.8 -52.2 120 7052 20 11 51 20 13 50 LSRJ1835+325 15 02 29 47.6 90.7 -3.6 -52.7 -13 7052 20 14 03 20 17 50 --- 15 06 29 48.3 91.4 -3.5 -52.7 227 7169 20 13 51 20 17 50 J1848+3219 15 06 29 45.7 89.8 -3.7 -52.2 -13 7169 20 18 03 20 19 50 =1846+322 15 08 30 46.1 90.2 -3.7 -52.2 107 7224 20 17 51 20 19 50 LSRJ1835+325 15 08 30 48.6 91.8 -3.5 -52.7 -13 7224 20 20 03 20 23 50 --- 15 12 30 49.3 92.6 -3.4 -52.7 227 7341 20 19 51 20 24 10 J1848+3219 15 12 50 46.8 91.0 -3.6 -52.2 7 7341 20 24 10 20 26 10 =1846+322 15 14 51 47.1 91.4 -3.6 -52.2 120 7403 20 24 11 20 26 10 LSRJ1835+325 15 14 51 49.7 93.0 -3.4 -52.6 -13 7403 20 26 23 20 30 10 --- 15 18 51 50.3 93.8 -3.3 -52.6 227 7520 20 26 11 20 30 10 J1848+3219 15 18 51 47.8 92.1 -3.5 -52.1 -13 7520 20 30 23 20 32 10 =1846+322 15 20 52 48.1 92.5 -3.5 -52.1 107 7575 20 30 11 20 32 10 LSRJ1835+325 15 20 52 50.7 94.2 -3.3 -52.5 -13 7575 20 32 23 20 36 10 --- 15 24 52 51.3 95.0 -3.2 -52.5 227 7692 20 32 11 20 36 30 J1848+3219 15 25 12 48.9 93.4 -3.4 -52.1 7 7692 20 36 30 20 38 30 =1846+322 15 27 13 49.2 93.8 -3.4 -52.0 120 7754 20 36 31 20 38 30 LSRJ1835+325 15 27 13 51.7 95.5 -3.2 -52.4 -13 7754 20 38 43 20 42 30 --- 15 31 13 52.4 96.4 -3.1 -52.3 227 7871 20 38 31 20 42 30 J1848+3219 15 31 13 49.9 94.6 -3.3 -52.0 -13 7871 20 42 43 20 44 30 =1846+322 15 33 14 50.2 95.0 -3.3 -51.9 107 7926 20 42 31 Schedule for VLBA_BR (Code Br ) Page 8 LSR J1835 global observations 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 2 Nov 2023 Day 306 --- 20 44 30 LSRJ1835+325 15 33 14 52.7 96.8 -3.1 -52.2 -13 7926 20 44 43 20 48 30 --- 15 37 14 53.4 97.6 -3.0 -52.1 227 8043 20 44 31 20 48 50 J1848+3219 15 37 34 50.9 95.9 -3.2 -51.8 7 8043 20 48 50 20 50 50 =1846+322 15 39 35 51.3 96.3 -3.2 -51.7 120 8105 20 48 51 20 50 50 LSRJ1835+325 15 39 35 53.8 98.1 -2.9 -52.0 -13 8105 20 51 03 20 54 50 --- 15 43 35 54.4 99.0 -2.9 -51.8 227 8222 20 50 51 20 54 50 J1848+3219 15 43 35 51.9 97.1 -3.1 -51.6 -13 8222 20 55 03 20 56 50 =1846+322 15 45 36 52.3 97.6 -3.1 -51.5 107 8277 20 54 51 20 56 50 LSRJ1835+325 15 45 36 54.8 99.5 -2.8 -51.7 -13 8277 20 57 03 21 00 50 --- 15 49 36 55.4 100.4 -2.8 -51.5 227 8394 20 56 51 21 01 10 J1848+3219 15 49 56 53.0 98.5 -3.0 -51.4 7 8394 21 01 10 21 03 10 =1846+322 15 51 57 53.3 99.0 -3.0 -51.3 120 8456 21 01 11 21 03 10 LSRJ1835+325 15 51 57 55.8 100.9 -2.7 -51.4 -13 8456 21 03 23 21 07 10 --- 15 55 57 56.5 101.9 -2.7 -51.2 227 8573 21 03 11 21 07 10 J1848+3219 15 55 57 54.0 99.8 -2.9 -51.1 -13 8573 21 07 23 21 09 10 =1846+322 15 57 58 54.3 100.3 -2.9 -51.0 107 8628 21 07 11 21 09 10 LSRJ1835+325 15 57 58 56.8 102.4 -2.6 -51.0 -13 8628 21 09 23 21 13 10 --- 16 01 58 57.5 103.3 -2.6 -50.8 227 8745 21 09 11 21 13 30 J1848+3219 16 02 19 55.0 101.3 -2.8 -50.8 7 8745 21 13 30 21 15 30 =1846+322 16 04 19 55.3 101.8 -2.7 -50.7 120 8807 21 13 31 21 15 30 LSRJ1835+325 16 04 19 57.8 103.9 -2.5 -50.6 -13 8807 21 15 43 21 19 30 --- 16 08 20 58.5 104.9 -2.5 -50.3 227 8924 21 15 31 21 19 30 J1848+3219 16 08 20 56.0 102.7 -2.7 -50.4 -13 8924 21 19 43 21 21 30 =1846+322 16 10 20 56.3 103.2 -2.6 -50.3 107 8979 21 19 31 21 21 30 LSRJ1835+325 16 10 20 58.8 105.4 -2.4 -50.1 -13 8979 21 21 43 21 25 30 --- 16 14 20 59.5 106.5 -2.4 -49.7 227 9096 21 21 31 21 25 50 J1848+3219 16 14 41 57.0 104.3 -2.6 -50.0 7 9096 21 25 50 21 27 50 =1846+322 16 16 41 57.3 104.8 -2.5 -49.8 120 9157 21 25 51 21 27 50 LSRJ1835+325 16 16 41 59.8 107.1 -2.3 -49.5 -13 9157 21 28 03 21 31 50 --- 16 20 42 60.5 108.2 -2.3 -49.1 227 9274 21 27 51 Schedule for VLBA_BR (Code Br ) Page 9 LSR J1835 global observations 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 2 Nov 2023 Day 306 --- 21 31 50 J1848+3219 16 20 42 58.0 105.8 -2.5 -49.5 -13 9274 21 32 03 21 33 50 =1846+322 16 22 42 58.3 106.3 -2.4 -49.3 107 9330 21 31 51 21 33 50 LSRJ1835+325 16 22 42 60.8 108.8 -2.2 -48.9 -13 9330 21 34 03 21 37 50 --- 16 26 43 61.4 109.9 -2.2 -48.4 227 9447 21 33 51 21 38 10 J1848+3219 16 27 03 59.0 107.5 -2.4 -48.9 7 9447 21 38 10 21 40 10 =1846+322 16 29 03 59.3 108.0 -2.3 -48.7 120 9508 21 38 11 21 40 10 LSRJ1835+325 16 29 03 61.8 110.6 -2.1 -48.2 -13 9508 21 40 23 21 43 10 --- 16 32 03 62.2 111.5 -2.1 -47.8 167 9594 21 40 11 21 43 10 J1848+3219 16 32 03 59.8 108.9 -2.3 -48.4 -13 9594 21 43 23 21 45 10 =1846+322 16 34 04 60.1 109.4 -2.3 -48.2 107 9650 21 43 11 21 45 10 LSRJ1835+325 16 34 04 62.6 112.1 -2.0 -47.5 -13 9650 21 45 23 21 48 10 --- 16 37 04 63.0 113.1 -2.0 -47.1 167 9736 21 45 11 21 48 30 J1848+3219 16 37 24 60.6 110.4 -2.2 -47.8 7 9736 21 48 30 21 50 30 =1846+322 16 39 25 61.0 111.0 -2.2 -47.5 120 9797 21 48 31 21 52 00 3C286 16 40 55 50.2 261.1 3.1 49.9 -26 9797 21 52 26 21 55 00 --- 16 43 55 49.7 261.8 3.2 50.0 154 9877 21 52 01 21 56 00 1830+285 16 44 56 61.3 123.2 -1.8 -39.5 -47 9877 21 56 47 22 00 00 --- 16 48 56 61.9 124.6 -1.7 -38.7 193 9976 21 56 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess323.C4096glob Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: vc_d Setup group: 1 Station: VLBA_BR Total bit rate: 4096 Format: VDIF Bits per sample: 2 Sample rate:256.000 Number of channels: 8 DBE type: RDBE_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 Net SB= U U U U U U U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = A C A C A C A C VLBA FE= 6cm omit 6cm omit VLBA Synth= 13.6 4.1 13.6 The following frequency sets based on these setups were used. See the crd files for VLBA legacy system setups and pcal detection details. Frequency Set: 9 Setup file default. Used with PCAL = off LO sum= 4612.00 4612.00 4740.00 4740.00 4868.00 4868.00 4996.00 4996.00 BBC fr= 512.00 512.00 640.00 640.00 768.00 768.00 896.00 896.00 Bandwd= 128.00 128.00 128.00 128.00 128.00 128.00 128.00 128.00 VLBA legacy crd files using 4 channels based on RDBE channels: 3 4 5 6 CRD fr= 696.00 696.00 824.00 824.00 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 9 10 11 12 13 14 15 16 17 18 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) * LSRJ1835+325 18 33 46.939944 * 18 35 37.880123 18 36 29.447318 0.00 32 57 22.10206 * 32 59 53.31610 33 01 13.54290 0.00 From catalog imbedded in main SCHED input file. * 3C286 13 28 49.657769 * 13 31 08.288061 13 32 12.714019 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 23 14.64827 0.16 1328+307 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1331+30 GSFC 2016a X/S astro solution, 269 observations. * OQ208 14 04 45.615156 * 14 07 00.394415 14 08 02.948680 0.24 J1407+2827 28 41 29.23515 * 28 27 14.69019 28 20 31.07746 0.35 1404+286 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1407+28 GSFC 2016a X/S astro solution, 68278 observations. * 1830+285 18 30 52.379792 * 18 32 50.185623 18 33 45.042077 0.03 J1832+2833 28 31 17.07914 * 28 33 35.95525 28 34 49.60151 0.04 J1832+28 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 1329 observations. 1846+322 18 46 29.612030 * 18 48 22.088573 18 49 14.443362 0.00 * J1848+3219 32 15 36.66044 * 32 19 02.60384 32 20 49.03497 0.00 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 38727 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 LSRJ1835+32sess323.C4096glob 1 2 3 4 5 7 9 19 20 3.417 449.163 3C286 sess323.C4096glob 1 2 3 4 5 7 9 19 0.167 15.084 OQ208 sess323.C4096glob 1 2 3 4 5 7 9 0.106 16.150 1830+285 sess323.C4096glob 1 2 3 4 5 7 9 19 20 0.233 25.354 J1848+3219 sess323.C4096glob 1 2 3 4 5 7 9 19 20 1.767 216.171 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) LSRJ1835+325 75.6 3C286 47.4 OQ208 43.5 1830+285 73.0 J1848+3219 77.7 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