COVER INFORMATION Station: VLBA_NL (Code Nl ) 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_NL (Code Nl ) 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 12 40 23 67.7 120.0 -1.5 -47.2 0 0 16 00 00 16 06 20 --- 12 46 44 68.7 122.6 -1.4 -45.5 380 196 16 00 01 16 06 50 3C286 12 47 14 75.5 137.9 -0.7 -35.4 8 196 16 06 50 16 09 50 --- 12 50 15 75.8 140.1 -0.7 -33.7 180 289 16 06 51 16 12 50 1830+285 12 53 15 22.0 70.7 -5.7 -53.3 59 289 16 12 50 16 22 50 --- 13 03 17 23.8 72.1 -5.5 -53.9 600 598 16 12 51 16 23 20 J1848+3219 13 03 47 23.4 66.7 -5.8 -54.2 18 598 16 23 20 16 25 20 =1846+322 13 05 47 23.7 67.0 -5.7 -54.3 120 660 16 23 21 16 25 20 LSRJ1835+325 13 05 47 26.3 68.0 -5.5 -55.6 -13 660 16 25 33 16 29 20 --- 13 09 48 27.0 68.6 -5.4 -55.9 227 777 16 25 21 16 29 20 J1848+3219 13 09 48 24.4 67.5 -5.7 -54.6 -13 777 16 29 33 16 31 20 =1846+322 13 11 48 24.7 67.8 -5.6 -54.8 107 832 16 29 21 16 31 20 LSRJ1835+325 13 11 48 27.3 68.8 -5.4 -56.0 -13 832 16 31 33 16 35 20 --- 13 15 49 28.0 69.4 -5.3 -56.3 227 949 16 31 21 16 35 40 J1848+3219 13 16 09 25.5 68.3 -5.6 -55.1 7 949 16 35 40 16 37 40 =1846+322 13 18 09 25.8 68.6 -5.5 -55.3 120 1010 16 35 41 16 37 40 LSRJ1835+325 13 18 09 28.4 69.7 -5.3 -56.5 -13 1010 16 37 53 16 41 40 --- 13 22 10 29.1 70.2 -5.2 -56.8 227 1127 16 37 41 16 41 40 J1848+3219 13 22 10 26.5 69.1 -5.5 -55.6 -13 1127 16 41 53 16 43 40 =1846+322 13 24 10 26.9 69.4 -5.4 -55.7 107 1183 16 41 41 16 43 40 LSRJ1835+325 13 24 10 29.5 70.5 -5.2 -57.0 -13 1183 16 43 53 16 47 40 --- 13 28 11 30.2 71.0 -5.1 -57.2 227 1300 16 43 41 16 48 00 J1848+3219 13 28 31 27.6 70.0 -5.3 -56.1 7 1300 16 48 00 16 50 00 =1846+322 13 30 31 28.0 70.3 -5.3 -56.2 120 1361 16 48 01 16 50 00 LSRJ1835+325 13 30 31 30.6 71.3 -5.1 -57.4 -13 1361 16 50 13 16 54 00 --- 13 34 32 31.3 71.8 -5.0 -57.7 227 1478 16 50 01 16 54 00 J1848+3219 13 34 32 28.7 70.8 -5.2 -56.5 -13 1478 16 54 13 16 56 00 =1846+322 13 36 32 29.0 71.1 -5.2 -56.6 107 1533 16 54 01 Schedule for VLBA_NL (Code Nl ) 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 13 36 32 31.7 72.1 -5.0 -57.8 -13 1533 16 56 13 17 00 00 --- 13 40 33 32.4 72.6 -4.9 -58.1 227 1650 16 56 01 17 00 20 J1848+3219 13 40 53 29.8 71.6 -5.1 -56.9 7 1650 17 00 20 17 02 20 =1846+322 13 42 53 30.2 71.9 -5.1 -57.0 120 1712 17 00 21 17 02 20 LSRJ1835+325 13 42 53 32.8 72.9 -4.9 -58.2 -13 1712 17 02 33 17 04 20 --- 13 44 54 33.2 73.2 -4.9 -58.4 107 1767 17 02 21 17 04 20 J1848+3219 13 44 54 30.5 72.2 -5.1 -57.2 -13 1767 17 04 33 17 06 20 =1846+322 13 46 54 30.9 72.4 -5.0 -57.3 107 1823 17 04 21 17 07 50 3C286 13 48 24 78.2 197.3 0.3 14.9 -17 1823 17 08 07 17 11 50 --- 13 52 25 77.9 201.3 0.3 18.3 223 1937 17 07 51 17 13 50 LSRJ1835+325 13 54 25 34.9 74.4 -4.7 -59.0 20 1937 17 13 50 17 18 50 --- 13 59 26 35.8 75.1 -4.6 -59.3 300 2092 17 13 51 17 18 50 J1848+3219 13 59 26 33.1 74.1 -4.8 -58.1 -13 2092 17 19 03 17 19 50 =1846+322 14 00 26 33.3 74.2 -4.8 -58.2 47 2116 17 18 51 17 19 50 LSRJ1835+325 14 00 26 35.9 75.2 -4.6 -59.3 -13 2116 17 20 03 17 22 50 --- 14 03 27 36.5 75.6 -4.6 -59.5 167 2202 17 19 51 17 23 10 J1848+3219 14 03 47 33.9 74.7 -4.8 -58.4 7 2202 17 23 10 17 24 10 =1846+322 14 04 47 34.1 74.8 -4.7 -58.4 60 2233 17 23 11 17 24 10 LSRJ1835+325 14 04 47 36.7 75.8 -4.5 -59.6 -13 2233 17 24 23 17 28 10 --- 14 08 48 37.5 76.3 -4.5 -59.8 227 2350 17 24 11 17 28 10 J1848+3219 14 08 48 34.8 75.4 -4.7 -58.7 -13 2350 17 28 23 17 30 10 =1846+322 14 10 48 35.2 75.6 -4.6 -58.8 107 2405 17 28 11 17 30 10 LSRJ1835+325 14 10 48 37.8 76.6 -4.4 -59.9 -14 2405 17 30 24 17 34 10 --- 14 14 49 38.5 77.1 -4.4 -60.1 226 2522 17 30 11 17 34 30 J1848+3219 14 15 09 36.0 76.2 -4.6 -59.0 7 2522 17 34 30 17 36 30 =1846+322 14 17 09 36.3 76.5 -4.5 -59.1 120 2584 17 34 31 17 36 30 LSRJ1835+325 14 17 09 39.0 77.5 -4.3 -60.3 -14 2584 17 36 44 17 40 30 --- 14 21 10 39.7 78.0 -4.3 -60.5 226 2700 17 36 31 17 40 30 J1848+3219 14 21 10 37.0 77.0 -4.5 -59.3 -13 2700 17 40 43 17 42 30 =1846+322 14 23 10 37.4 77.3 -4.4 -59.4 107 2755 17 40 31 Schedule for VLBA_NL (Code Nl ) 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 14 23 10 40.1 78.3 -4.2 -60.6 -14 2755 17 42 44 17 46 30 --- 14 27 11 40.8 78.8 -4.2 -60.8 226 2872 17 42 31 17 46 50 J1848+3219 14 27 31 38.2 77.9 -4.4 -59.7 7 2872 17 46 50 17 48 50 =1846+322 14 29 31 38.6 78.1 -4.3 -59.8 120 2933 17 46 51 17 48 50 LSRJ1835+325 14 29 31 41.2 79.1 -4.1 -60.9 -14 2933 17 49 04 17 52 50 --- 14 33 32 42.0 79.7 -4.0 -61.1 226 3050 17 48 51 17 52 50 J1848+3219 14 33 32 39.3 78.7 -4.3 -60.0 -13 3050 17 53 03 17 54 50 =1846+322 14 35 32 39.7 79.0 -4.2 -60.1 107 3105 17 52 51 17 54 50 LSRJ1835+325 14 35 32 42.3 79.9 -4.0 -61.1 -14 3105 17 55 04 17 58 50 --- 14 39 33 43.1 80.5 -3.9 -61.3 226 3222 17 54 51 17 59 10 J1848+3219 14 39 53 40.5 79.6 -4.2 -60.3 7 3222 17 59 10 18 01 10 =1846+322 14 41 53 40.8 79.8 -4.1 -60.3 120 3283 17 59 11 18 01 10 LSRJ1835+325 14 41 53 43.5 80.8 -3.9 -61.4 -14 3283 18 01 24 18 05 10 --- 14 45 54 44.2 81.4 -3.8 -61.6 226 3400 18 01 11 18 05 10 J1848+3219 14 45 54 41.6 80.4 -4.1 -60.5 -13 3400 18 05 23 18 07 10 =1846+322 14 47 54 41.9 80.7 -4.0 -60.6 107 3455 18 05 11 18 07 10 LSRJ1835+325 14 47 54 44.6 81.6 -3.8 -61.6 -14 3455 18 07 24 18 11 10 --- 14 51 55 45.3 82.2 -3.7 -61.8 226 3571 18 07 11 18 11 30 J1848+3219 14 52 15 42.7 81.3 -3.9 -60.8 7 3571 18 11 30 18 13 30 =1846+322 14 54 15 43.1 81.6 -3.9 -60.8 120 3633 18 11 31 18 13 30 LSRJ1835+325 14 54 15 45.8 82.5 -3.7 -61.9 -14 3633 18 13 44 18 17 30 --- 14 58 16 46.5 83.1 -3.6 -62.0 226 3750 18 13 31 18 17 30 J1848+3219 14 58 16 43.8 82.1 -3.8 -61.0 -13 3750 18 17 43 18 19 30 =1846+322 15 00 16 44.2 82.4 -3.8 -61.1 107 3805 18 17 31 18 19 30 LSRJ1835+325 15 00 16 46.9 83.4 -3.6 -62.1 -14 3805 18 19 44 18 23 30 --- 15 04 17 47.6 84.0 -3.5 -62.2 226 3921 18 19 31 18 23 50 J1848+3219 15 04 37 45.0 83.0 -3.7 -61.2 7 3921 18 23 50 18 25 50 =1846+322 15 06 37 45.4 83.3 -3.7 -61.3 120 3983 18 23 51 18 25 50 LSRJ1835+325 15 06 37 48.1 84.3 -3.5 -62.3 -14 3983 18 26 04 18 29 50 --- 15 10 38 48.8 84.9 -3.4 -62.4 226 4100 18 25 51 Schedule for VLBA_NL (Code Nl ) 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 15 10 38 46.1 83.9 -3.6 -61.4 -13 4100 18 30 03 18 31 50 =1846+322 15 12 38 46.5 84.2 -3.6 -61.4 107 4155 18 29 51 18 31 50 LSRJ1835+325 15 12 38 49.2 85.2 -3.4 -62.4 -14 4155 18 32 04 18 35 50 --- 15 16 39 49.9 85.8 -3.3 -62.5 226 4271 18 31 51 18 36 10 J1848+3219 15 16 59 47.3 84.9 -3.5 -61.6 7 4271 18 36 10 18 38 10 =1846+322 15 18 59 47.7 85.1 -3.5 -61.6 120 4333 18 36 11 18 38 10 LSRJ1835+325 15 18 59 50.4 86.2 -3.3 -62.6 -14 4333 18 38 24 18 42 10 --- 15 23 00 51.1 86.8 -3.2 -62.6 226 4449 18 38 11 18 42 10 J1848+3219 15 23 00 48.4 85.8 -3.4 -61.7 -13 4449 18 42 23 18 44 10 =1846+322 15 25 00 48.8 86.1 -3.4 -61.7 107 4505 18 42 11 18 44 10 LSRJ1835+325 15 25 00 51.5 87.1 -3.2 -62.7 -14 4505 18 44 24 18 48 10 --- 15 29 01 52.2 87.7 -3.1 -62.7 226 4621 18 44 11 18 48 30 J1848+3219 15 29 21 49.6 86.7 -3.3 -61.8 7 4621 18 48 30 18 50 30 =1846+322 15 31 21 50.0 87.0 -3.3 -61.8 120 4683 18 48 31 18 50 30 LSRJ1835+325 15 31 21 52.7 88.1 -3.1 -62.7 -14 4683 18 50 44 18 53 30 --- 15 34 22 53.2 88.6 -3.0 -62.8 166 4768 18 50 31 18 53 30 J1848+3219 15 34 22 50.5 87.5 -3.2 -61.9 -13 4768 18 53 43 18 55 30 =1846+322 15 36 22 50.9 87.8 -3.2 -61.9 107 4824 18 53 31 18 55 30 LSRJ1835+325 15 36 22 53.6 88.9 -3.0 -62.8 -14 4824 18 55 44 18 57 30 --- 15 38 22 54.0 89.2 -3.0 -62.8 106 4878 18 55 31 18 57 50 J1848+3219 15 38 42 51.4 88.2 -3.2 -61.9 7 4878 18 57 50 18 59 50 =1846+322 15 40 43 51.7 88.5 -3.1 -61.9 120 4940 18 57 51 18 59 50 LSRJ1835+325 15 40 43 54.4 89.6 -2.9 -62.8 -14 4940 19 00 04 19 03 50 --- 15 44 43 55.2 90.2 -2.9 -62.8 226 5056 18 59 51 19 03 50 J1848+3219 15 44 43 52.5 89.2 -3.1 -62.0 -13 5056 19 04 03 19 05 50 =1846+322 15 46 44 52.8 89.5 -3.0 -62.0 107 5112 19 03 51 19 05 50 LSRJ1835+325 15 46 44 55.5 90.6 -2.8 -62.8 -14 5112 19 06 04 19 09 50 --- 15 50 44 56.3 91.3 -2.8 -62.8 226 5228 19 05 51 19 10 10 J1848+3219 15 51 04 53.7 90.2 -3.0 -62.0 7 5228 19 10 10 19 12 10 =1846+322 15 53 05 54.0 90.5 -2.9 -62.0 120 5290 19 10 11 Schedule for VLBA_NL (Code Nl ) 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 15 53 05 56.7 91.7 -2.7 -62.8 -14 5290 19 12 24 19 16 10 --- 15 57 05 57.5 92.4 -2.7 -62.7 226 5406 19 12 11 19 16 10 J1848+3219 15 57 05 54.8 91.2 -2.9 -62.0 -13 5406 19 16 23 19 18 10 =1846+322 15 59 06 55.2 91.6 -2.8 -61.9 107 5461 19 16 11 19 18 10 LSRJ1835+325 15 59 06 57.8 92.7 -2.6 -62.7 -14 5461 19 18 24 19 22 10 --- 16 03 06 58.6 93.5 -2.6 -62.6 226 5578 19 18 11 19 22 30 J1848+3219 16 03 26 56.0 92.3 -2.8 -61.9 7 5578 19 22 30 19 24 30 =1846+322 16 05 27 56.3 92.7 -2.7 -61.9 120 5640 19 22 31 19 24 30 LSRJ1835+325 16 05 27 59.0 93.9 -2.5 -62.5 -14 5640 19 24 44 19 28 30 --- 16 09 27 59.8 94.7 -2.5 -62.4 226 5756 19 24 31 19 28 30 J1848+3219 16 09 27 57.1 93.4 -2.7 -61.8 -13 5756 19 28 43 19 30 30 =1846+322 16 11 28 57.5 93.8 -2.6 -61.7 107 5811 19 28 31 19 30 30 LSRJ1835+325 16 11 28 60.1 95.1 -2.4 -62.4 -14 5811 19 30 44 19 34 30 --- 16 15 28 60.9 95.9 -2.4 -62.2 226 5928 19 30 31 19 34 50 J1848+3219 16 15 49 58.3 94.6 -2.6 -61.6 7 5928 19 34 50 19 36 50 =1846+322 16 17 49 58.6 95.0 -2.5 -61.6 120 5990 19 34 51 19 36 50 LSRJ1835+325 16 17 49 61.3 96.3 -2.3 -62.1 -14 5990 19 37 04 19 40 50 --- 16 21 49 62.1 97.2 -2.2 -61.9 226 6106 19 36 51 19 40 50 J1848+3219 16 21 49 59.4 95.8 -2.5 -61.4 -13 6106 19 41 03 19 42 50 =1846+322 16 23 50 59.8 96.2 -2.4 -61.4 107 6161 19 40 51 19 42 50 LSRJ1835+325 16 23 50 62.4 97.6 -2.2 -61.8 -14 6161 19 43 04 19 46 50 --- 16 27 50 63.2 98.5 -2.1 -61.6 226 6278 19 42 51 19 47 10 J1848+3219 16 28 11 60.6 97.1 -2.4 -61.2 7 6278 19 47 10 19 49 10 =1846+322 16 30 11 60.9 97.5 -2.3 -61.1 120 6339 19 47 11 19 49 10 LSRJ1835+325 16 30 11 63.6 99.0 -2.1 -61.5 -14 6339 19 49 24 19 53 10 --- 16 34 12 64.3 99.9 -2.0 -61.2 226 6456 19 49 11 19 53 10 J1848+3219 16 34 12 61.7 98.3 -2.3 -60.9 -13 6456 19 53 23 19 55 10 =1846+322 16 36 12 62.0 98.8 -2.2 -60.7 107 6511 19 53 11 19 55 10 LSRJ1835+325 16 36 12 64.7 100.4 -2.0 -61.0 -14 6511 19 55 24 19 59 10 --- 16 40 13 65.4 101.3 -1.9 -60.7 226 6627 19 55 11 Schedule for VLBA_NL (Code Nl ) 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 16 40 33 62.8 99.8 -2.1 -60.5 7 6627 19 59 30 20 01 30 =1846+322 16 42 33 63.2 100.2 -2.1 -60.3 120 6689 19 59 31 20 01 30 LSRJ1835+325 16 42 33 65.9 101.9 -1.9 -60.5 -14 6689 20 01 44 20 05 30 --- 16 46 34 66.6 103.0 -1.8 -60.1 226 6806 20 01 31 20 05 30 J1848+3219 16 46 34 63.9 101.2 -2.0 -60.0 -13 6806 20 05 43 20 07 30 =1846+322 16 48 34 64.3 101.6 -2.0 -59.8 107 6861 20 05 31 20 07 30 LSRJ1835+325 16 48 34 67.0 103.5 -1.8 -59.9 -14 6861 20 07 44 20 11 30 --- 16 52 35 67.7 104.6 -1.7 -59.4 226 6977 20 07 31 20 11 50 J1848+3219 16 52 55 65.1 102.7 -1.9 -59.4 7 6977 20 11 50 20 13 50 =1846+322 16 54 55 65.5 103.2 -1.9 -59.2 120 7039 20 11 51 20 13 50 LSRJ1835+325 16 54 55 68.1 105.3 -1.7 -59.1 -13 7039 20 14 03 20 17 50 --- 16 58 56 68.8 106.5 -1.6 -58.5 227 7156 20 13 51 20 17 50 J1848+3219 16 58 56 66.2 104.3 -1.8 -58.8 -13 7156 20 18 03 20 19 50 =1846+322 17 00 56 66.6 104.9 -1.8 -58.6 107 7211 20 17 51 20 19 50 LSRJ1835+325 17 00 56 69.2 107.1 -1.6 -58.2 -13 7211 20 20 03 20 23 50 --- 17 04 57 69.9 108.4 -1.5 -57.6 227 7328 20 19 51 20 24 10 J1848+3219 17 05 17 67.3 106.1 -1.7 -58.0 7 7328 20 24 10 20 26 10 =1846+322 17 07 17 67.7 106.7 -1.7 -57.7 120 7390 20 24 11 20 26 10 LSRJ1835+325 17 07 17 70.3 109.1 -1.5 -57.2 -13 7390 20 26 23 20 30 10 --- 17 11 18 71.0 110.5 -1.4 -56.4 227 7507 20 26 11 20 30 10 J1848+3219 17 11 18 68.4 107.9 -1.6 -57.1 -13 7507 20 30 23 20 32 10 =1846+322 17 13 18 68.8 108.5 -1.6 -56.8 107 7562 20 30 11 20 32 10 LSRJ1835+325 17 13 18 71.4 111.2 -1.4 -56.0 -13 7562 20 32 23 20 36 10 --- 17 17 19 72.1 112.8 -1.3 -55.1 227 7679 20 32 11 20 36 30 J1848+3219 17 17 39 69.5 110.0 -1.5 -56.1 7 7679 20 36 30 20 38 30 =1846+322 17 19 39 69.9 110.6 -1.5 -55.7 120 7741 20 36 31 20 38 30 LSRJ1835+325 17 19 39 72.5 113.7 -1.3 -54.5 -13 7741 20 38 43 20 42 30 --- 17 23 40 73.1 115.4 -1.2 -53.5 227 7858 20 38 31 20 42 30 J1848+3219 17 23 40 70.6 112.1 -1.4 -54.9 -13 7858 20 42 43 20 44 30 =1846+322 17 25 40 70.9 112.8 -1.4 -54.5 107 7913 20 42 31 Schedule for VLBA_NL (Code Nl ) 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 17 25 40 73.5 116.2 -1.2 -52.9 -13 7913 20 44 43 20 48 30 --- 17 29 41 74.1 118.1 -1.1 -51.7 227 8030 20 44 31 20 48 50 J1848+3219 17 30 01 71.7 114.5 -1.3 -53.4 7 8030 20 48 50 20 50 50 =1846+322 17 32 01 72.0 115.3 -1.3 -52.9 120 8092 20 48 51 20 50 50 LSRJ1835+325 17 32 01 74.5 119.2 -1.1 -50.9 -13 8092 20 51 03 20 54 50 --- 17 36 02 75.2 121.3 -1.0 -49.5 227 8209 20 50 51 20 54 50 J1848+3219 17 36 02 72.7 117.0 -1.2 -51.9 -13 8209 20 55 03 20 56 50 =1846+322 17 38 02 73.0 117.9 -1.2 -51.3 107 8264 20 54 51 20 56 50 LSRJ1835+325 17 38 02 75.5 122.4 -1.0 -48.7 -13 8264 20 57 03 21 00 50 --- 17 42 03 76.1 124.7 -0.9 -47.0 227 8381 20 56 51 21 01 10 J1848+3219 17 42 23 73.7 119.9 -1.1 -49.9 7 8381 21 01 10 21 03 10 =1846+322 17 44 23 74.0 120.9 -1.1 -49.2 120 8443 21 01 11 21 03 10 LSRJ1835+325 17 44 23 76.5 126.1 -0.9 -46.0 -13 8443 21 03 23 21 07 10 --- 17 48 24 77.1 128.7 -0.8 -44.0 227 8560 21 03 11 21 07 10 J1848+3219 17 48 24 74.7 123.0 -1.0 -47.8 -13 8560 21 07 23 21 09 10 =1846+322 17 50 24 75.0 124.1 -1.0 -47.0 107 8615 21 07 11 21 09 10 LSRJ1835+325 17 50 24 77.4 130.1 -0.8 -42.9 -13 8615 21 09 23 21 13 10 --- 17 54 25 77.9 133.0 -0.7 -40.6 227 8732 21 09 11 21 13 30 J1848+3219 17 54 45 75.6 126.6 -0.9 -45.1 7 8732 21 13 30 21 15 30 =1846+322 17 56 45 75.9 127.9 -0.9 -44.2 120 8794 21 13 31 21 15 30 LSRJ1835+325 17 56 45 78.2 134.8 -0.7 -39.1 -13 8794 21 15 43 21 19 30 --- 18 00 46 78.7 138.2 -0.6 -36.4 227 8911 21 15 31 21 19 30 J1848+3219 18 00 46 76.5 130.4 -0.8 -42.2 -13 8911 21 19 43 21 21 30 =1846+322 18 02 46 76.8 131.8 -0.8 -41.1 107 8966 21 19 31 21 21 30 LSRJ1835+325 18 02 46 79.0 139.9 -0.6 -34.9 -14 8966 21 21 44 21 25 30 --- 18 06 47 79.5 143.7 -0.5 -31.8 226 9082 21 21 31 21 25 50 J1848+3219 18 07 07 77.4 135.0 -0.7 -38.6 6 9082 21 25 50 21 27 50 =1846+322 18 09 07 77.7 136.5 -0.7 -37.4 120 9144 21 25 51 21 27 50 LSRJ1835+325 18 09 07 79.7 146.0 -0.5 -29.8 -15 9144 21 28 05 21 31 50 --- 18 13 08 80.1 150.2 -0.4 -26.2 225 9260 21 27 51 Schedule for VLBA_NL (Code Nl ) 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 18 13 08 78.2 139.8 -0.6 -34.8 -15 9260 21 32 05 21 33 50 =1846+322 18 15 08 78.4 141.5 -0.6 -33.3 105 9314 21 31 51 21 33 50 LSRJ1835+325 18 15 08 80.3 152.5 -0.4 -24.3 -16 9314 21 34 06 21 37 50 --- 18 19 09 80.6 157.2 -0.3 -20.2 224 9430 21 33 51 21 38 10 J1848+3219 18 19 29 78.9 145.5 -0.5 -30.0 4 9430 21 38 10 21 40 10 =1846+322 18 21 29 79.1 147.4 -0.5 -28.4 120 9491 21 38 11 21 40 10 LSRJ1835+325 18 21 29 80.8 160.0 -0.3 -17.7 -17 9491 21 40 27 21 43 10 --- 18 24 30 80.9 163.8 -0.2 -14.3 163 9575 21 40 11 21 43 10 J1848+3219 18 24 30 79.4 150.4 -0.4 -25.8 -17 9575 21 43 27 21 45 10 =1846+322 18 26 30 79.5 152.5 -0.4 -24.0 103 9628 21 43 11 21 45 10 LSRJ1835+325 18 26 30 81.0 166.4 -0.2 -12.0 -18 9628 21 45 28 21 48 10 --- 18 29 30 81.1 170.5 -0.1 -8.5 162 9712 21 45 11 21 48 30 J1848+3219 18 29 50 79.8 156.2 -0.3 -20.9 2 9712 21 48 30 21 50 30 =1846+322 18 31 51 80.0 158.4 -0.3 -18.9 120 9774 21 48 31 21 52 00 3C286 18 33 21 30.0 285.5 5.0 56.4 -22 9774 21 52 22 21 55 00 --- 18 36 22 29.5 285.9 5.1 56.2 158 9855 21 52 01 21 56 00 1830+285 18 37 22 76.8 183.5 0.1 2.9 -47 9855 21 56 47 22 00 00 --- 18 41 22 76.7 187.3 0.1 6.2 193 9955 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: 7 Station: VLBA_NL 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