COVER INFORMATION Station: DEFFORD (Code De ) Experiment: Probing the radio jets in GRS1915+105 in a new puzzling accretion state Exp. Code: EM144A Schedule Version: 2.50 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: S.E.Motta Address: INAF - Osservatorio Astronomico di Brera Via E. Bianchi 46, I-23807 Merate Italy Phone: +39 3339445713 EMAIL: sara.motta@inaf.it Fax: Phone during observation: +39 3339445713 Observing mode: EVN, 6 GHz continuum Notes: Target (phase ref): GRS 1915+105 (J1905+0952) Fringe finders: J1800+3848, J2253+1608 Check source: J1913+0932 Schedule for DEFFORD (Code De ) Page 2 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- Next scan frequencies: 4958.49 4958.49 Next BBC frequencies: 705.51 705.51 Next scan bandwidths: 64.00 64.00 12 30 00 J1800+3848 14 58 34 56.0 94.6 -3.0 -51.8 0 0 12 30 00 12 35 00 =1758+388 15 03 35 56.8 95.7 -3.0 -51.7 300 19 12 30 01 12 37 00 J1905+0952 15 05 35 25.8 108.1 -4.0 -36.3 4 19 12 37 00 12 39 30 =1903+097 15 08 06 26.2 108.7 -4.0 -36.2 150 29 12 37 01 12 39 30 GRS1915 15 08 06 25.7 105.9 -4.1 -37.0 -28 29 No stop 12 43 00 --- 15 11 36 26.2 106.6 -4.1 -36.8 182 43 12 39 31 12 43 00 J1905+0952 15 11 36 26.7 109.5 -3.9 -36.0 -29 43 No stop 12 45 30 =1903+097 15 14 07 27.1 110.0 -3.9 -35.9 121 52 12 43 01 12 45 30 GRS1915 15 14 07 26.6 107.2 -4.0 -36.7 -28 52 No stop 12 49 00 --- 15 17 37 27.1 108.0 -4.0 -36.5 182 66 12 45 31 12 49 40 J1905+0952 15 18 17 27.7 111.0 -3.8 -35.6 11 66 12 49 40 12 51 30 =1903+097 15 20 08 27.9 111.4 -3.8 -35.5 110 73 12 49 41 12 51 30 GRS1915 15 20 08 27.4 108.5 -3.9 -36.4 -28 73 No stop 12 55 00 --- 15 23 38 28.0 109.3 -3.9 -36.2 182 86 12 51 31 12 55 00 J1905+0952 15 23 38 28.4 112.2 -3.7 -35.3 -29 86 No stop 12 57 30 =1903+097 15 26 09 28.8 112.7 -3.7 -35.1 121 96 12 55 01 12 57 30 GRS1915 15 26 09 28.3 109.9 -3.8 -36.1 -28 96 No stop 13 01 00 --- 15 29 39 28.8 110.7 -3.8 -35.8 182 109 12 57 31 13 01 40 J1905+0952 15 30 19 29.4 113.7 -3.6 -34.8 11 109 13 01 40 13 03 30 =1903+097 15 32 10 29.6 114.1 -3.6 -34.7 110 117 13 01 41 13 03 30 GRS1915 15 32 10 29.2 111.2 -3.7 -35.7 -28 117 No stop 13 07 00 --- 15 35 40 29.7 112.0 -3.7 -35.5 182 130 13 03 31 13 07 00 J1905+0952 15 35 40 30.1 115.0 -3.5 -34.4 -30 130 No stop 13 09 30 =1903+097 15 38 11 30.5 115.6 -3.5 -34.2 120 140 13 07 01 13 09 30 GRS1915 15 38 11 30.0 112.6 -3.6 -35.3 -29 140 No stop 13 13 00 --- 15 41 41 30.5 113.4 -3.6 -35.0 181 153 13 09 31 13 13 40 J1905+0952 15 42 21 31.1 116.5 -3.4 -33.9 10 153 13 13 40 13 15 30 =1903+097 15 44 12 31.3 117.0 -3.4 -33.8 110 160 13 13 41 Schedule for DEFFORD (Code De ) Page 3 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 13 15 30 GRS1915 15 44 12 30.9 114.0 -3.5 -34.9 -29 160 No stop 13 19 00 --- 15 47 42 31.4 114.8 -3.5 -34.6 181 174 13 15 31 13 19 00 J1905+0952 15 47 42 31.8 117.8 -3.3 -33.5 -30 174 No stop 13 21 30 =1903+097 15 50 13 32.1 118.4 -3.3 -33.3 120 184 13 19 01 13 21 30 GRS1915 15 50 13 31.7 115.4 -3.4 -34.4 -29 184 No stop 13 25 00 --- 15 53 43 32.2 116.3 -3.4 -34.1 181 197 13 21 31 13 25 40 J1905+0952 15 54 23 32.7 119.5 -3.2 -32.9 10 197 13 25 40 13 27 30 =1903+097 15 56 13 32.9 119.9 -3.2 -32.7 110 204 13 25 41 13 27 30 J1913+0932 15 56 13 31.6 118.2 -3.3 -33.3 -22 204 No stop 13 30 00 --- 15 58 44 32.0 118.8 -3.3 -33.1 128 214 13 27 31 13 30 40 J1905+0952 15 59 24 33.4 120.7 -3.1 -32.4 17 214 13 30 40 13 32 40 =1903+097 16 01 24 33.6 121.2 -3.1 -32.2 120 222 13 30 41 13 32 40 GRS1915 16 01 24 33.3 118.1 -3.2 -33.5 -29 222 No stop 13 36 10 --- 16 04 55 33.7 119.0 -3.2 -33.2 181 235 13 32 41 13 36 10 J1905+0952 16 04 55 34.1 122.1 -3.0 -31.9 -30 235 No stop 13 38 40 =1903+097 16 07 25 34.4 122.7 -3.0 -31.6 120 245 13 36 11 13 38 40 GRS1915 16 07 25 34.1 119.6 -3.1 -33.0 -29 245 No stop 13 42 10 --- 16 10 56 34.5 120.5 -3.1 -32.6 181 258 13 38 41 13 42 50 J1905+0952 16 11 36 34.9 123.8 -2.9 -31.2 10 258 13 42 50 13 44 40 =1903+097 16 13 26 35.2 124.3 -2.9 -31.0 110 265 13 42 51 13 44 40 GRS1915 16 13 26 34.9 121.1 -3.0 -32.4 -29 265 No stop 13 48 10 --- 16 16 57 35.3 122.0 -3.0 -32.0 181 279 13 44 41 13 48 10 J1905+0952 16 16 57 35.6 125.2 -2.8 -30.6 -31 279 No stop 13 50 40 =1903+097 16 19 27 35.9 125.8 -2.8 -30.4 119 289 13 48 11 13 50 40 GRS1915 16 19 27 35.7 122.7 -2.9 -31.8 -30 289 No stop 13 54 10 --- 16 22 58 36.1 123.6 -2.9 -31.4 180 302 13 50 41 13 54 50 J1905+0952 16 23 38 36.5 126.9 -2.7 -29.9 9 302 13 54 50 13 56 40 =1903+097 16 25 28 36.7 127.4 -2.7 -29.7 110 309 13 54 51 13 56 40 GRS1915 16 25 28 36.4 124.2 -2.8 -31.2 -30 309 No stop 14 00 10 --- 16 28 59 36.9 125.1 -2.8 -30.8 180 323 13 56 41 Schedule for DEFFORD (Code De ) Page 4 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 14 00 10 J1905+0952 16 28 59 37.1 128.4 -2.6 -29.3 -31 323 No stop 14 02 40 =1903+097 16 31 29 37.4 129.0 -2.6 -29.0 119 332 14 00 11 14 02 40 GRS1915 16 31 29 37.2 125.8 -2.7 -30.5 -30 332 No stop 14 06 10 --- 16 35 00 37.6 126.7 -2.7 -30.1 180 346 14 02 41 14 06 50 J1905+0952 16 35 40 37.9 130.2 -2.5 -28.5 9 346 14 06 50 14 08 40 =1903+097 16 37 30 38.1 130.7 -2.5 -28.2 110 353 14 06 51 14 08 40 GRS1915 16 37 30 37.9 127.4 -2.6 -29.8 -30 353 No stop 14 12 10 --- 16 41 01 38.3 128.4 -2.6 -29.4 180 366 14 08 41 14 12 10 J1905+0952 16 41 01 38.5 131.7 -2.4 -27.8 -31 366 No stop 14 14 40 =1903+097 16 43 31 38.8 132.4 -2.4 -27.4 119 376 14 12 11 14 14 40 GRS1915 16 43 31 38.6 129.1 -2.5 -29.1 -30 376 No stop 14 18 10 --- 16 47 02 39.1 130.0 -2.5 -28.6 180 390 14 14 41 14 18 50 J1905+0952 16 47 42 39.3 133.5 -2.3 -26.9 9 390 14 18 50 14 20 40 =1903+097 16 49 32 39.5 134.1 -2.3 -26.6 110 397 14 18 51 14 20 40 J1913+0932 16 49 32 38.3 132.1 -2.4 -27.6 -24 397 No stop 14 23 10 --- 16 52 03 38.6 132.8 -2.4 -27.2 126 406 14 20 41 14 23 50 J1905+0952 16 52 43 39.8 135.0 -2.2 -26.2 15 406 14 23 50 14 25 50 =1903+097 16 54 43 40.0 135.5 -2.2 -25.9 120 414 14 23 51 14 25 50 GRS1915 16 54 43 40.0 132.2 -2.4 -27.6 -30 414 No stop 14 29 20 --- 16 58 14 40.3 133.2 -2.3 -27.1 180 428 14 25 51 14 29 20 J1905+0952 16 58 14 40.4 136.6 -2.1 -25.4 -32 428 No stop 14 31 50 =1903+097 17 00 44 40.7 137.3 -2.1 -25.0 118 437 14 29 21 14 31 50 GRS1915 17 00 44 40.6 133.9 -2.3 -26.8 -31 437 No stop 14 35 20 --- 17 04 15 41.0 134.9 -2.2 -26.3 179 451 14 31 51 14 36 00 J1905+0952 17 04 55 41.1 138.5 -2.0 -24.4 8 451 14 36 00 14 37 50 =1903+097 17 06 45 41.3 139.1 -2.0 -24.1 110 458 14 36 01 14 37 50 GRS1915 17 06 45 41.3 135.7 -2.2 -25.9 -31 458 No stop 14 41 20 --- 17 10 16 41.7 136.7 -2.1 -25.4 179 471 14 37 51 14 41 20 J1905+0952 17 10 16 41.6 140.1 -1.9 -23.6 -32 471 No stop 14 43 50 =1903+097 17 12 46 41.9 140.9 -1.9 -23.2 118 481 14 41 21 Schedule for DEFFORD (Code De ) Page 5 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 14 43 50 GRS1915 17 12 46 41.9 137.4 -2.1 -25.0 -31 481 No stop 14 47 20 --- 17 16 17 42.3 138.5 -2.0 -24.5 179 495 14 43 51 14 48 00 J1905+0952 17 16 57 42.3 142.2 -1.8 -22.5 8 495 14 48 00 14 49 50 =1903+097 17 18 47 42.5 142.7 -1.8 -22.2 110 502 14 48 01 14 49 50 GRS1915 17 18 47 42.5 139.2 -2.0 -24.1 -31 502 No stop 14 53 20 --- 17 22 18 42.9 140.3 -1.9 -23.5 179 515 14 49 51 14 53 20 J1905+0952 17 22 18 42.8 143.8 -1.7 -21.6 -32 515 No stop 14 55 50 =1903+097 17 24 48 43.0 144.6 -1.7 -21.2 118 525 14 53 21 14 55 50 GRS1915 17 24 48 43.1 141.1 -1.9 -23.1 -31 525 No stop 14 59 20 --- 17 28 19 43.5 142.2 -1.8 -22.6 179 538 14 55 51 15 00 00 J1905+0952 17 28 59 43.4 145.9 -1.6 -20.4 8 538 15 00 00 15 01 50 =1903+097 17 30 49 43.5 146.5 -1.6 -20.1 110 546 15 00 01 15 01 50 GRS1915 17 30 49 43.7 143.0 -1.8 -22.1 -31 546 No stop 15 05 20 --- 17 34 20 44.0 144.1 -1.7 -21.5 179 559 15 01 51 15 05 20 J1905+0952 17 34 20 43.8 147.6 -1.5 -19.5 -33 559 No stop 15 07 50 =1903+097 17 36 50 44.0 148.5 -1.5 -19.0 117 569 15 05 21 15 07 50 GRS1915 17 36 50 44.2 144.9 -1.7 -21.1 -31 569 No stop 15 11 20 --- 17 40 21 44.5 146.0 -1.6 -20.5 179 582 15 07 51 15 12 00 J1905+0952 17 41 01 44.4 149.8 -1.4 -18.3 7 582 15 12 00 15 13 50 =1903+097 17 42 51 44.5 150.4 -1.4 -17.9 110 589 15 12 01 15 13 50 J1913+0932 17 42 51 43.6 148.0 -1.5 -19.3 -26 589 No stop 15 16 20 --- 17 45 21 43.8 148.9 -1.5 -18.8 124 599 15 13 51 15 17 00 J1905+0952 17 46 01 44.7 151.5 -1.3 -17.3 13 599 15 17 00 15 19 00 =1903+097 17 48 02 44.9 152.1 -1.3 -16.9 120 607 15 17 01 15 19 00 GRS1915 17 48 02 45.2 148.5 -1.5 -19.1 -31 607 No stop 15 22 30 --- 17 51 32 45.5 149.7 -1.4 -18.4 179 620 15 19 01 15 22 30 J1905+0952 17 51 32 45.1 153.3 -1.3 -16.3 -33 620 No stop 15 25 00 =1903+097 17 54 03 45.3 154.1 -1.2 -15.8 117 630 15 22 31 15 25 00 GRS1915 17 54 03 45.7 150.5 -1.4 -17.9 -31 630 No stop 15 28 30 --- 17 57 33 45.9 151.7 -1.3 -17.3 179 643 15 25 01 Schedule for DEFFORD (Code De ) Page 6 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 15 29 10 J1905+0952 17 58 13 45.6 155.6 -1.1 -15.0 7 643 15 29 10 15 31 00 =1903+097 18 00 04 45.7 156.2 -1.1 -14.6 110 651 15 29 11 15 31 00 GRS1915 18 00 04 46.1 152.5 -1.3 -16.8 -32 651 No stop 15 34 30 --- 18 03 34 46.3 153.7 -1.2 -16.1 178 664 15 31 01 15 34 30 J1905+0952 18 03 34 45.9 157.4 -1.1 -13.9 -33 664 No stop 15 37 00 =1903+097 18 06 05 46.0 158.2 -1.0 -13.4 117 674 15 34 31 15 37 00 GRS1915 18 06 05 46.5 154.6 -1.2 -15.6 -32 674 No stop 15 40 30 --- 18 09 35 46.7 155.8 -1.1 -14.9 178 687 15 37 01 15 41 10 J1905+0952 18 10 15 46.3 159.7 -0.9 -12.5 7 687 15 41 10 15 43 00 =1903+097 18 12 06 46.4 160.3 -0.9 -12.1 110 694 15 41 11 15 43 00 GRS1915 18 12 06 46.9 156.7 -1.1 -14.4 -32 694 No stop 15 46 30 --- 18 15 36 47.1 157.9 -1.0 -13.6 178 708 15 43 01 15 46 30 J1905+0952 18 15 36 46.5 161.6 -0.9 -11.4 -33 708 No stop 15 49 00 =1903+097 18 18 07 46.7 162.4 -0.8 -10.8 117 718 15 46 31 15 49 00 GRS1915 18 18 07 47.2 158.8 -1.0 -13.1 -32 718 No stop 15 52 30 --- 18 21 37 47.4 160.0 -0.9 -12.4 178 731 15 49 01 15 53 10 J1905+0952 18 22 17 46.8 163.9 -0.7 -9.9 7 731 15 53 10 15 55 00 =1903+097 18 24 08 46.9 164.6 -0.7 -9.5 110 738 15 53 11 15 55 00 GRS1915 18 24 08 47.6 160.9 -0.9 -11.8 -32 738 No stop 15 58 30 --- 18 27 38 47.7 162.1 -0.8 -11.1 178 752 15 55 01 15 58 30 J1905+0952 18 27 38 47.1 165.8 -0.6 -8.8 -33 752 No stop 16 01 00 =1903+097 18 30 09 47.2 166.7 -0.6 -8.2 117 761 15 58 31 16 01 00 GRS1915 18 30 09 47.8 163.0 -0.8 -10.5 -32 761 No stop 16 04 30 --- 18 33 39 48.0 164.3 -0.7 -9.7 178 775 16 01 01 16 05 10 J1905+0952 18 34 19 47.3 168.2 -0.5 -7.3 7 775 16 05 10 16 07 00 =1903+097 18 36 10 47.3 168.9 -0.5 -6.9 110 782 16 05 11 16 07 00 J1913+0932 18 36 10 46.8 166.2 -0.6 -8.6 -27 782 No stop 16 09 30 --- 18 38 40 46.9 167.1 -0.6 -8.0 123 792 16 07 01 16 10 00 J1800+3848 18 39 10 75.2 210.2 0.6 23.4 -126 792 16 10 00 16 15 00 =1758+388 18 44 11 74.7 213.6 0.7 25.9 174 811 16 10 01 Schedule for DEFFORD (Code De ) Page 7 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 16 15 40 J1905+0952 18 44 51 47.6 172.0 -0.4 -5.0 -106 811 16 15 40 16 17 40 =1903+097 18 46 51 47.6 172.8 -0.3 -4.5 14 819 16 15 41 16 17 40 GRS1915 18 46 51 48.5 169.1 -0.5 -6.8 -31 819 No stop 16 21 10 --- 18 50 22 48.6 170.4 -0.4 -6.0 179 832 16 17 41 16 21 10 J1905+0952 18 50 22 47.7 174.0 -0.3 -3.7 -33 832 No stop 16 23 40 =1903+097 18 52 52 47.7 175.0 -0.2 -3.1 117 842 16 21 11 16 23 40 GRS1915 18 52 52 48.6 171.3 -0.4 -5.4 -31 842 No stop 16 27 10 --- 18 56 23 48.7 172.6 -0.3 -4.6 179 855 16 23 41 16 27 50 J1905+0952 18 57 03 47.8 176.5 -0.2 -2.2 7 855 16 27 50 16 29 40 =1903+097 18 58 53 47.8 177.2 -0.1 -1.8 110 862 16 27 51 16 29 40 GRS1915 18 58 53 48.7 173.6 -0.3 -4.0 -31 862 No stop 16 33 10 --- 19 02 24 48.8 174.9 -0.2 -3.2 179 876 16 29 41 16 33 10 J1905+0952 19 02 24 47.8 178.4 -0.1 -1.0 -33 876 No stop 16 35 40 =1903+097 19 04 54 47.8 179.4 -0.0 -0.4 117 886 16 33 11 16 35 40 GRS1915 19 04 54 48.8 175.8 -0.2 -2.6 -31 886 No stop 16 39 10 --- 19 08 25 48.9 177.1 -0.1 -1.8 179 899 16 35 41 16 39 50 J1905+0952 19 09 05 47.8 180.9 0.0 0.6 7 899 16 39 50 16 41 40 =1903+097 19 10 55 47.8 181.6 0.1 1.0 110 906 16 39 51 16 41 40 GRS1915 19 10 55 48.9 178.0 -0.1 -1.2 -31 906 No stop 16 45 10 --- 19 14 26 48.9 179.4 -0.0 -0.4 179 920 16 41 41 16 45 10 J1905+0952 19 14 26 47.8 182.9 0.1 1.8 -32 920 No stop 16 47 40 =1903+097 19 16 56 47.8 183.8 0.2 2.4 118 929 16 45 11 16 47 40 GRS1915 19 16 56 48.9 180.3 0.0 0.2 -31 929 No stop 16 51 10 --- 19 20 27 48.9 181.6 0.1 1.0 179 943 16 47 41 16 51 50 J1905+0952 19 21 07 47.7 185.3 0.2 3.3 8 943 16 51 50 16 53 40 =1903+097 19 22 57 47.7 186.0 0.3 3.7 110 950 16 51 51 16 53 40 GRS1915 19 22 57 48.9 182.5 0.1 1.6 -31 950 No stop 16 57 10 --- 19 26 28 48.8 183.8 0.2 2.4 179 964 16 53 41 16 57 10 J1905+0952 19 26 28 47.6 187.3 0.3 4.5 -32 964 No stop 16 59 40 =1903+097 19 28 58 47.6 188.2 0.4 5.1 118 973 16 57 11 Schedule for DEFFORD (Code De ) Page 8 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 16 59 40 GRS1915 19 28 58 48.8 184.8 0.2 3.0 -30 973 No stop 17 03 10 --- 19 32 29 48.8 186.1 0.3 3.8 180 987 16 59 41 17 03 50 J1905+0952 19 33 09 47.5 189.7 0.4 6.0 8 987 17 03 50 17 05 40 =1903+097 19 34 59 47.4 190.4 0.5 6.4 110 994 17 03 51 17 05 40 J1913+0932 19 34 59 47.3 187.5 0.3 4.7 -28 994 No stop 17 08 10 --- 19 37 30 47.2 188.4 0.4 5.2 122 1004 17 05 41 17 08 50 J1905+0952 19 38 10 47.3 191.5 0.5 7.1 11 1004 17 08 50 17 10 50 =1903+097 19 40 10 47.3 192.2 0.6 7.6 120 1011 17 08 51 17 10 50 GRS1915 19 40 10 48.6 188.9 0.4 5.6 -30 1011 No stop 17 14 20 --- 19 43 41 48.5 190.2 0.5 6.4 180 1025 17 10 51 17 14 20 J1905+0952 19 43 41 47.1 193.5 0.6 8.4 -31 1025 No stop 17 16 50 =1903+097 19 46 11 47.0 194.4 0.7 8.9 119 1034 17 14 21 17 16 50 GRS1915 19 46 11 48.4 191.1 0.5 6.9 -30 1034 No stop 17 20 20 --- 19 49 42 48.3 192.4 0.6 7.7 180 1048 17 16 51 17 21 00 J1905+0952 19 50 22 46.9 195.9 0.7 9.8 9 1048 17 21 00 17 22 50 =1903+097 19 52 12 46.8 196.5 0.8 10.2 110 1055 17 21 01 17 22 50 GRS1915 19 52 12 48.2 193.4 0.6 8.3 -29 1055 No stop 17 26 20 --- 19 55 43 48.1 194.6 0.7 9.1 181 1069 17 22 51 17 26 20 J1905+0952 19 55 43 46.6 197.8 0.8 11.0 -31 1069 No stop 17 28 50 =1903+097 19 58 13 46.5 198.6 0.9 11.5 119 1078 17 26 21 17 28 50 GRS1915 19 58 13 48.0 195.5 0.7 9.6 -29 1078 No stop 17 32 20 --- 20 01 44 47.9 196.8 0.8 10.4 181 1092 17 28 51 17 33 00 J1905+0952 20 02 24 46.3 200.1 0.9 12.4 10 1092 17 33 00 17 34 50 =1903+097 20 04 14 46.2 200.7 1.0 12.8 110 1099 17 33 01 17 34 50 GRS1915 20 04 14 47.7 197.7 0.8 11.0 -29 1099 No stop 17 38 20 --- 20 07 45 47.6 199.0 0.9 11.7 181 1112 17 34 51 17 38 20 J1905+0952 20 07 45 46.0 201.9 1.0 13.5 -30 1112 No stop 17 40 50 =1903+097 20 10 15 45.9 202.8 1.1 14.0 120 1122 17 38 21 17 40 50 GRS1915 20 10 15 47.4 199.8 0.9 12.3 -28 1122 No stop 17 44 20 --- 20 13 46 47.3 201.1 1.0 13.0 182 1136 17 40 51 Schedule for DEFFORD (Code De ) Page 9 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 17 45 00 J1905+0952 20 14 26 45.6 204.2 1.1 14.8 10 1136 17 45 00 17 46 50 =1903+097 20 16 16 45.5 204.9 1.2 15.2 110 1143 17 45 01 17 46 50 GRS1915 20 16 16 47.1 202.0 1.0 13.5 -28 1143 No stop 17 50 20 --- 20 19 47 46.9 203.2 1.1 14.3 182 1156 17 46 51 17 50 20 J1905+0952 20 19 47 45.3 206.0 1.2 15.9 -29 1156 No stop 17 52 50 =1903+097 20 22 17 45.1 206.9 1.3 16.4 121 1166 17 50 21 17 52 50 GRS1915 20 22 17 46.8 204.1 1.1 14.8 -28 1166 No stop 17 56 20 --- 20 25 48 46.5 205.3 1.2 15.5 182 1179 17 52 51 17 57 00 J1905+0952 20 26 28 44.8 208.3 1.3 17.2 11 1179 17 57 00 17 58 50 =1903+097 20 28 18 44.7 208.9 1.4 17.5 110 1186 17 57 01 17 58 50 J1913+0932 20 28 18 44.9 206.2 1.2 16.0 -27 1186 No stop 18 01 20 --- 20 30 48 44.7 207.0 1.3 16.4 123 1196 17 58 51 18 02 00 J1905+0952 20 31 29 44.4 209.9 1.4 18.1 11 1196 18 02 00 18 04 00 =1903+097 20 33 29 44.3 210.6 1.4 18.5 120 1204 18 02 01 18 04 00 GRS1915 20 33 29 46.0 207.9 1.3 17.0 -27 1204 No stop 18 07 30 --- 20 36 59 45.7 209.1 1.3 17.7 183 1217 18 04 01 18 07 30 J1905+0952 20 36 59 44.0 211.7 1.5 19.1 -28 1217 No stop 18 10 00 =1903+097 20 39 30 43.8 212.5 1.5 19.6 122 1227 18 07 31 18 10 00 GRS1915 20 39 30 45.6 209.9 1.4 18.2 -27 1227 No stop 18 13 30 --- 20 43 00 45.3 211.1 1.4 18.8 183 1241 18 10 01 18 14 10 J1905+0952 20 43 41 43.4 213.9 1.6 20.3 12 1241 18 14 10 18 16 10 =1903+097 20 45 41 43.3 214.5 1.7 20.7 120 1248 18 14 11 18 16 10 GRS1915 20 45 41 45.1 212.0 1.5 19.3 -27 1248 No stop 18 19 40 --- 20 49 11 44.8 213.1 1.6 20.0 183 1262 18 16 11 18 19 40 J1905+0952 20 49 11 42.9 215.6 1.7 21.3 -28 1262 No stop 18 22 10 =1903+097 20 51 42 42.7 216.4 1.8 21.7 122 1271 18 19 41 18 22 10 GRS1915 20 51 42 44.6 213.9 1.6 20.4 -26 1271 No stop 18 25 40 --- 20 55 12 44.3 215.0 1.7 21.1 184 1285 18 22 11 18 26 20 J1905+0952 20 55 53 42.3 217.7 1.8 22.4 13 1285 18 26 20 18 28 20 =1903+097 20 57 53 42.1 218.3 1.9 22.7 120 1293 18 26 21 Schedule for DEFFORD (Code De ) Page 10 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 18 28 20 GRS1915 20 57 53 44.0 215.9 1.7 21.5 -26 1293 No stop 18 31 50 --- 21 01 23 43.7 217.0 1.8 22.1 184 1306 18 28 21 18 31 50 J1905+0952 21 01 23 41.8 219.4 1.9 23.3 -27 1306 No stop 18 34 20 =1903+097 21 03 54 41.6 220.1 2.0 23.7 123 1316 18 31 51 18 34 20 GRS1915 21 03 54 43.5 217.8 1.8 22.5 -26 1316 No stop 18 37 50 --- 21 07 24 43.1 218.9 1.9 23.1 184 1329 18 34 21 18 38 30 J1905+0952 21 08 05 41.1 221.4 2.0 24.3 13 1329 18 38 30 18 40 30 =1903+097 21 10 05 40.9 222.0 2.1 24.7 120 1337 18 38 31 18 40 30 GRS1915 21 10 05 42.9 219.7 1.9 23.6 -25 1337 No stop 18 44 00 --- 21 13 35 42.5 220.8 2.0 24.1 185 1351 18 40 31 18 44 00 J1905+0952 21 13 35 40.6 223.0 2.1 25.2 -26 1351 No stop 18 46 30 =1903+097 21 16 06 40.3 223.7 2.2 25.5 124 1360 18 44 01 18 46 30 GRS1915 21 16 06 42.3 221.5 2.0 24.5 -25 1360 No stop 18 50 00 --- 21 19 36 41.9 222.6 2.1 25.1 185 1374 18 46 31 18 50 40 J1905+0952 21 20 17 39.9 225.0 2.2 26.1 14 1374 18 50 40 18 52 40 =1903+097 21 22 17 39.6 225.5 2.3 26.4 120 1382 18 50 41 18 52 40 J1913+0932 21 22 17 40.2 223.1 2.1 25.2 -26 1382 No stop 18 55 10 --- 21 24 47 39.9 223.8 2.2 25.6 124 1391 18 52 41 18 55 50 J1905+0952 21 25 27 39.3 226.4 2.3 26.9 13 1391 18 55 50 18 57 50 =1903+097 21 27 28 39.1 227.0 2.3 27.1 120 1399 18 55 51 18 57 50 GRS1915 21 27 28 41.1 224.9 2.2 26.2 -24 1399 No stop 19 01 20 --- 21 30 58 40.7 225.9 2.2 26.7 186 1413 18 57 51 19 01 20 J1905+0952 21 30 58 38.7 228.0 2.4 27.6 -25 1413 No stop 19 03 50 =1903+097 21 33 29 38.4 228.7 2.4 27.9 125 1422 19 01 21 19 03 50 GRS1915 21 33 29 40.4 226.7 2.3 27.1 -24 1422 No stop 19 07 20 --- 21 36 59 40.0 227.7 2.3 27.5 186 1436 19 03 51 19 08 00 J1905+0952 21 37 39 37.9 229.8 2.5 28.5 15 1436 19 08 00 19 10 00 =1903+097 21 39 40 37.7 230.4 2.6 28.7 120 1443 19 08 01 19 10 00 GRS1915 21 39 40 39.7 228.4 2.4 27.9 -24 1443 No stop 19 13 30 --- 21 43 10 39.3 229.4 2.5 28.4 186 1457 19 10 01 Schedule for DEFFORD (Code De ) Page 11 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 19 13 30 J1905+0952 21 43 10 37.2 231.3 2.6 29.1 -25 1457 No stop 19 16 00 =1903+097 21 45 41 36.9 232.0 2.7 29.4 125 1467 19 13 31 19 16 00 GRS1915 21 45 41 39.0 230.1 2.5 28.7 -25 1467 No stop 19 19 30 --- 21 49 11 38.6 231.1 2.6 29.1 185 1480 19 16 01 19 20 10 J1905+0952 21 49 51 36.4 233.1 2.7 29.9 15 1480 19 20 10 19 22 10 =1903+097 21 51 52 36.2 233.7 2.8 30.2 120 1488 19 20 11 19 22 10 GRS1915 21 51 52 38.3 231.8 2.6 29.5 -25 1488 No stop 19 25 40 --- 21 55 22 37.9 232.7 2.7 29.9 185 1501 19 22 11 19 25 40 J1905+0952 21 55 22 35.7 234.6 2.8 30.5 -25 1501 No stop 19 28 10 =1903+097 21 57 53 35.4 235.2 2.9 30.8 125 1511 19 25 41 19 28 10 GRS1915 21 57 53 37.5 233.4 2.7 30.2 -25 1511 No stop 19 31 40 --- 22 01 23 37.1 234.3 2.8 30.6 185 1525 19 28 11 19 32 20 J1905+0952 22 02 03 34.9 236.3 2.9 31.3 15 1525 19 32 20 19 34 20 =1903+097 22 04 04 34.6 236.8 3.0 31.5 120 1532 19 32 21 19 34 20 J1913+0932 22 04 04 35.3 234.6 2.8 30.5 -25 1532 No stop 19 36 50 --- 22 06 34 35.0 235.3 2.9 30.8 125 1542 19 34 21 19 37 30 J1905+0952 22 07 14 34.2 237.6 3.0 31.8 14 1542 19 37 30 19 39 30 =1903+097 22 09 15 34.0 238.1 3.0 32.0 120 1550 19 37 31 19 39 30 GRS1915 22 09 15 36.1 236.4 2.9 31.4 -25 1550 No stop 19 43 00 --- 22 12 45 35.7 237.3 2.9 31.8 185 1563 19 39 31 19 43 00 J1905+0952 22 12 45 33.5 239.0 3.1 32.3 -26 1563 No stop 19 45 30 =1903+097 22 15 16 33.2 239.7 3.1 32.6 124 1573 19 43 01 19 45 30 GRS1915 22 15 16 35.3 238.0 3.0 32.0 -25 1573 No stop 19 49 00 --- 22 18 46 34.9 238.8 3.0 32.4 185 1586 19 45 31 19 49 40 J1905+0952 22 19 26 32.6 240.7 3.2 32.9 14 1586 19 49 40 19 51 40 =1903+097 22 21 27 32.3 241.2 3.2 33.1 120 1594 19 49 41 19 51 40 GRS1915 22 21 27 34.5 239.5 3.1 32.6 -25 1594 No stop 19 55 10 --- 22 24 57 34.1 240.4 3.1 33.0 185 1608 19 51 41 19 55 10 J1905+0952 22 24 57 31.9 242.0 3.3 33.4 -26 1608 No stop 19 57 40 =1903+097 22 27 28 31.5 242.6 3.3 33.6 124 1617 19 55 11 Schedule for DEFFORD (Code De ) Page 12 Probing the radio jets in GRS1915+105 in a new puzzling accretion state 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 30 Oct 2020 Day 304 --- 19 57 40 GRS1915 22 27 28 33.7 241.0 3.2 33.2 -25 1617 No stop 20 01 10 --- 22 30 58 33.3 241.9 3.2 33.5 185 1631 19 57 41 20 01 50 J1905+0952 22 31 38 31.0 243.6 3.4 34.0 14 1631 20 01 50 20 03 50 =1903+097 22 33 39 30.7 244.1 3.5 34.1 120 1639 20 01 51 20 03 50 GRS1915 22 33 39 32.9 242.5 3.3 33.7 -25 1639 No stop 20 07 20 --- 22 37 09 32.4 243.4 3.4 34.0 185 1652 20 03 51 20 07 20 J1905+0952 22 37 09 30.2 244.9 3.5 34.4 -26 1652 No stop 20 09 50 =1903+097 22 39 40 29.8 245.5 3.6 34.6 124 1662 20 07 21 20 09 50 GRS1915 22 39 40 32.1 244.0 3.4 34.2 -25 1662 No stop 20 13 20 --- 22 43 10 31.6 244.8 3.5 34.5 185 1675 20 09 51 20 14 00 J1905+0952 22 43 50 29.3 246.5 3.6 34.9 14 1675 20 14 00 20 16 00 =1903+097 22 45 51 29.0 247.0 3.7 35.0 120 1683 20 14 01 20 16 00 J1913+0932 22 45 51 29.8 245.0 3.5 34.4 -24 1683 No stop 20 18 30 --- 22 48 21 29.5 245.5 3.6 34.5 126 1693 20 16 01 20 19 10 J1905+0952 22 49 01 28.5 247.7 3.7 35.2 15 1693 20 19 10 20 22 40 =1903+097 22 52 32 28.0 248.5 3.8 35.5 210 1706 20 19 11 20 24 00 J2253+1608 22 53 52 54.2 179.5 -0.0 -0.3 -147 1706 20 24 00 20 30 00 =3C454.3 22 59 53 54.1 182.0 0.1 1.3 213 1729 20 24 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess320.C2048 --- 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: 19 Station: DEFFORD 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= 5664.00 5664.00 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: 14 Setup file default. Used with PCAL = off LO sum= 4958.49 4958.49 BBC fr= 705.51 705.51 Bandwd= 64.00 64.00 Matching frequency sets: 14 15 16 17 18 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) * GRS1915 19 12 49.958613 * 19 15 11.544821 19 16 08.946282 0.00 GRS1915+105 10 51 26.57111 * 10 56 44.62477 10 59 05.89093 0.00 From catalog imbedded in main SCHED input file. * J1913+0932 19 11 00.869981 * 19 13 24.025348 19 14 22.061653 0.00 09 27 34.81592 * 09 32 45.37648 09 35 03.19161 0.00 From catalog imbedded in main SCHED input file. 1758+388 17 58 44.703954 * 18 00 24.765363 18 01 04.600553 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69748 38 48 44.84096 0.01 J1800+38 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 5095 observations. 1903+097 19 03 17.231910 * 19 05 39.898972 19 06 37.696026 0.13 * J1905+0952 09 47 30.15815 * 09 52 08.40750 09 54 13.05426 0.22 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 104 observations. 3C454.3 22 51 29.519739 * 22 53 57.747939 22 54 59.130379 0.65 * J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 37.30815 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline GRS1915 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 3.967 475.462 J1913+0932 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.375 40.584 J1800+3848 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.167 21.144 J1905+0952 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 2.850 343.015 J2253+1608 sess320.C2048 1 2 3 4 5 7 8 9 10 11 14 0.100 9.530 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) GRS1915 77.2 J1913+0932 76.4 J1800+3848 73.6 J1905+0952 74.7 J2253+1608 130.3 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