COVER INFORMATION Station: ONSALA85 (Code O8 ) Experiment: Probing the radio jets in GRS1915+105 in a new puzzling accretion state Exp. Code: EM144B Schedule Version: 2.40 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 ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 730.49 730.49 730.49 730.49 794.49 794.49 794.49 794.49 858.49 858.49 858.49 858.49 922.49 922.49 922.49 922.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 04 00 00 J1800+3848 15 40 11 60.6 113.8 -2.3 0.0 0 0 04 00 00 04 05 00 =1758+388 15 45 12 61.2 115.4 -2.3 0.0 300 77 04 00 01 04 07 00 J1905+0952 15 47 12 29.1 120.4 -3.3 0.0 -8 77 04 07 00 04 09 30 =1903+097 15 49 43 29.4 121.1 -3.3 0.0 142 116 04 07 01 04 09 30 GRS1915 15 49 43 29.3 118.1 -3.4 0.0 -17 116 No stop 04 13 00 --- 15 53 13 29.7 119.0 -3.4 0.0 193 170 04 09 31 04 13 00 J1905+0952 15 53 13 29.8 121.9 -3.2 0.0 -17 170 No stop 04 15 30 =1903+097 15 55 44 30.1 122.6 -3.2 0.0 133 209 04 13 01 04 15 30 GRS1915 15 55 44 30.0 119.6 -3.3 0.0 -17 209 No stop 04 19 00 --- 15 59 14 30.4 120.5 -3.3 0.0 193 263 04 15 31 04 19 40 J1905+0952 15 59 54 30.6 123.6 -3.1 0.0 23 263 04 19 40 04 21 30 =1903+097 16 01 45 30.8 124.1 -3.1 0.0 110 291 04 19 41 04 21 30 GRS1915 16 01 45 30.7 121.1 -3.2 0.0 -17 291 No stop 04 25 00 --- 16 05 15 31.1 122.0 -3.2 0.0 193 345 04 21 31 04 25 00 J1905+0952 16 05 15 31.2 125.0 -3.0 0.0 -17 345 No stop 04 27 30 =1903+097 16 07 46 31.5 125.6 -3.0 0.0 133 384 04 25 01 04 27 30 GRS1915 16 07 46 31.4 122.6 -3.1 0.0 -17 384 No stop 04 31 00 --- 16 11 16 31.8 123.5 -3.1 0.0 193 438 04 27 31 04 31 40 J1905+0952 16 11 56 31.9 126.7 -2.9 0.0 23 438 04 31 40 04 33 30 =1903+097 16 13 47 32.1 127.2 -2.9 0.0 110 466 04 31 41 04 33 30 GRS1915 16 13 47 32.0 124.2 -3.0 0.0 -17 466 No stop 04 37 00 --- 16 17 17 32.4 125.1 -3.0 0.0 193 520 04 33 31 04 37 00 J1905+0952 16 17 17 32.5 128.1 -2.8 0.0 -17 520 No stop 04 39 30 =1903+097 16 19 48 32.8 128.8 -2.8 0.0 133 559 04 37 01 04 39 30 GRS1915 16 19 48 32.7 125.7 -2.9 0.0 -17 559 No stop 04 43 00 --- 16 23 18 33.1 126.6 -2.9 0.0 193 613 04 39 31 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 04 43 40 J1905+0952 16 23 58 33.2 129.9 -2.7 0.0 23 613 04 43 40 04 45 30 =1903+097 16 25 49 33.4 130.4 -2.7 0.0 110 642 04 43 41 04 45 30 GRS1915 16 25 49 33.4 127.3 -2.8 0.0 -17 642 No stop 04 49 00 --- 16 29 19 33.7 128.2 -2.8 0.0 193 696 04 45 31 04 49 00 J1905+0952 16 29 19 33.7 131.3 -2.6 0.0 -17 696 No stop 04 51 30 =1903+097 16 31 50 34.0 132.0 -2.6 0.0 133 734 04 49 01 04 51 30 GRS1915 16 31 50 34.0 128.9 -2.7 0.0 -17 734 No stop 04 55 00 --- 16 35 20 34.4 129.8 -2.7 0.0 193 788 04 51 31 04 55 40 J1905+0952 16 36 00 34.4 133.2 -2.5 0.0 23 788 04 55 40 04 57 30 =1903+097 16 37 51 34.6 133.7 -2.5 0.0 110 817 04 55 41 04 57 30 J1913+0932 16 37 51 33.5 131.7 -2.6 0.0 -16 817 No stop 05 00 00 --- 16 40 21 33.8 132.4 -2.6 0.0 134 855 04 57 31 05 00 40 J1905+0952 16 41 01 34.9 134.5 -2.4 0.0 24 855 05 00 40 05 02 40 =1903+097 16 43 01 35.1 135.1 -2.4 0.0 120 886 05 00 41 05 02 40 GRS1915 16 43 01 35.1 131.9 -2.6 0.0 -17 886 No stop 05 06 10 --- 16 46 32 35.5 132.9 -2.5 0.0 193 940 05 02 41 05 06 10 J1905+0952 16 46 32 35.4 136.1 -2.3 0.0 -17 940 No stop 05 08 40 =1903+097 16 49 02 35.6 136.8 -2.3 0.0 133 979 05 06 11 05 08 40 GRS1915 16 49 02 35.7 133.6 -2.5 0.0 -17 979 No stop 05 12 10 --- 16 52 33 36.1 134.6 -2.4 0.0 193 1033 05 08 41 05 12 50 J1905+0952 16 53 13 36.0 137.9 -2.2 0.0 23 1033 05 12 50 05 14 40 =1903+097 16 55 03 36.2 138.5 -2.2 0.0 110 1061 05 12 51 05 14 40 GRS1915 16 55 03 36.3 135.3 -2.4 0.0 -17 1061 No stop 05 18 10 --- 16 58 34 36.7 136.3 -2.3 0.0 193 1116 05 14 41 05 18 10 J1905+0952 16 58 34 36.5 139.5 -2.1 0.0 -17 1116 No stop 05 20 40 =1903+097 17 01 04 36.7 140.2 -2.1 0.0 133 1154 05 18 11 05 20 40 GRS1915 17 01 04 36.9 137.0 -2.3 0.0 -17 1154 No stop 05 24 10 --- 17 04 35 37.2 138.0 -2.2 0.0 193 1208 05 20 41 05 24 50 J1905+0952 17 05 15 37.1 141.4 -2.0 0.0 23 1208 05 24 50 05 26 40 =1903+097 17 07 05 37.2 141.9 -2.0 0.0 110 1237 05 24 51 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 05 26 40 GRS1915 17 07 05 37.4 138.7 -2.2 0.0 -17 1237 No stop 05 30 10 --- 17 10 36 37.7 139.7 -2.1 0.0 193 1291 05 26 41 05 30 10 J1905+0952 17 10 36 37.5 143.0 -1.9 0.0 -17 1291 No stop 05 32 40 =1903+097 17 13 06 37.7 143.7 -1.9 0.0 133 1329 05 30 11 05 32 40 GRS1915 17 13 06 38.0 140.4 -2.1 0.0 -17 1329 No stop 05 36 10 --- 17 16 37 38.3 141.5 -2.0 0.0 193 1384 05 32 41 05 36 50 J1905+0952 17 17 17 38.1 144.9 -1.8 0.0 23 1384 05 36 50 05 38 40 =1903+097 17 19 07 38.2 145.5 -1.8 0.0 110 1412 05 36 51 05 38 40 GRS1915 17 19 07 38.5 142.2 -2.0 0.0 -17 1412 No stop 05 42 10 --- 17 22 38 38.7 143.2 -1.9 0.0 193 1466 05 38 41 05 42 10 J1905+0952 17 22 38 38.5 146.5 -1.7 0.0 -17 1466 No stop 05 44 40 =1903+097 17 25 08 38.6 147.3 -1.7 0.0 133 1505 05 42 11 05 44 40 GRS1915 17 25 08 38.9 144.0 -1.9 0.0 -17 1505 No stop 05 48 10 --- 17 28 39 39.2 145.0 -1.8 0.0 193 1559 05 44 41 05 48 50 J1905+0952 17 29 19 38.9 148.5 -1.6 0.0 23 1559 05 48 50 05 50 40 =1903+097 17 31 09 39.1 149.1 -1.6 0.0 110 1587 05 48 51 05 50 40 J1913+0932 17 31 09 38.2 146.9 -1.7 0.0 -16 1587 No stop 05 53 10 --- 17 33 40 38.4 147.6 -1.7 0.0 134 1626 05 50 41 05 53 50 J1905+0952 17 34 20 39.3 150.1 -1.5 0.0 24 1626 05 53 50 05 55 50 =1903+097 17 36 20 39.4 150.7 -1.5 0.0 120 1657 05 53 51 05 55 50 GRS1915 17 36 20 39.8 147.4 -1.7 0.0 -17 1657 No stop 05 59 20 --- 17 39 51 40.0 148.5 -1.6 0.0 193 1711 05 55 51 05 59 20 J1905+0952 17 39 51 39.6 151.8 -1.4 0.0 -17 1711 No stop 06 01 50 =1903+097 17 42 21 39.8 152.5 -1.4 0.0 133 1749 05 59 21 06 01 50 GRS1915 17 42 21 40.2 149.2 -1.6 0.0 -17 1749 No stop 06 05 20 --- 17 45 52 40.5 150.3 -1.5 0.0 193 1803 06 01 51 06 06 00 J1905+0952 17 46 32 40.1 153.8 -1.3 0.0 23 1803 06 06 00 06 07 50 =1903+097 17 48 22 40.2 154.4 -1.3 0.0 110 1832 06 06 01 06 07 50 GRS1915 17 48 22 40.6 151.1 -1.5 0.0 -17 1832 No stop 06 11 20 --- 17 51 53 40.8 152.2 -1.4 0.0 193 1886 06 07 51 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 06 11 20 J1905+0952 17 51 53 40.4 155.5 -1.2 0.0 -17 1886 No stop 06 13 50 =1903+097 17 54 23 40.5 156.3 -1.2 0.0 133 1925 06 11 21 06 13 50 GRS1915 17 54 23 41.0 153.0 -1.4 0.0 -17 1925 No stop 06 17 20 --- 17 57 54 41.2 154.1 -1.3 0.0 193 1979 06 13 51 06 18 00 J1905+0952 17 58 34 40.7 157.6 -1.1 0.0 23 1979 06 18 00 06 19 50 =1903+097 18 00 24 40.8 158.2 -1.1 0.0 110 2007 06 18 01 06 19 50 GRS1915 18 00 24 41.4 154.9 -1.3 0.0 -17 2007 No stop 06 23 20 --- 18 03 55 41.6 156.0 -1.2 0.0 193 2061 06 19 51 06 23 20 J1905+0952 18 03 55 41.0 159.3 -1.0 0.0 -17 2061 No stop 06 25 50 =1903+097 18 06 25 41.1 160.1 -1.0 0.0 133 2100 06 23 21 06 25 50 GRS1915 18 06 25 41.7 156.8 -1.2 0.0 -17 2100 No stop 06 29 20 --- 18 09 56 41.9 157.9 -1.1 0.0 193 2154 06 25 51 06 30 00 J1905+0952 18 10 36 41.3 161.5 -0.9 0.0 23 2154 06 30 00 06 31 50 =1903+097 18 12 26 41.4 162.1 -0.9 0.0 110 2182 06 30 01 06 31 50 GRS1915 18 12 26 42.0 158.7 -1.1 0.0 -17 2182 No stop 06 35 20 --- 18 15 57 42.2 159.9 -1.0 0.0 193 2236 06 31 51 06 35 20 J1905+0952 18 15 57 41.5 163.2 -0.8 0.0 -17 2236 No stop 06 37 50 =1903+097 18 18 27 41.6 164.0 -0.8 0.0 133 2275 06 35 21 06 37 50 GRS1915 18 18 27 42.3 160.7 -1.0 0.0 -17 2275 No stop 06 41 20 --- 18 21 58 42.4 161.8 -0.9 0.0 193 2329 06 37 51 06 42 00 J1905+0952 18 22 38 41.8 165.4 -0.7 0.0 23 2329 06 42 00 06 43 50 =1903+097 18 24 28 41.8 166.0 -0.7 0.0 110 2357 06 42 01 06 43 50 J1913+0932 18 24 28 41.2 163.5 -0.8 0.0 -16 2357 No stop 06 46 20 --- 18 26 59 41.3 164.4 -0.8 0.0 134 2396 06 43 51 06 47 00 J1905+0952 18 27 39 41.9 167.0 -0.7 0.0 24 2396 06 47 00 06 49 00 =1903+097 18 29 39 42.0 167.7 -0.6 0.0 120 2427 06 47 01 06 49 00 GRS1915 18 29 39 42.7 164.4 -0.8 0.0 -17 2427 No stop 06 52 30 --- 18 33 10 42.9 165.5 -0.7 0.0 193 2481 06 49 01 06 52 30 J1905+0952 18 33 10 42.1 168.9 -0.6 0.0 -17 2481 No stop 06 55 00 =1903+097 18 35 40 42.1 169.7 -0.5 0.0 133 2520 06 52 31 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 06 55 00 GRS1915 18 35 40 42.9 166.4 -0.7 0.0 -17 2520 No stop 06 58 30 --- 18 39 11 43.0 167.5 -0.6 0.0 193 2574 06 55 01 06 59 10 J1905+0952 18 39 51 42.2 171.1 -0.4 0.0 23 2574 06 59 10 07 01 00 =1903+097 18 41 41 42.3 171.7 -0.4 0.0 110 2602 06 59 11 07 01 00 GRS1915 18 41 41 43.1 168.4 -0.6 0.0 -17 2602 No stop 07 04 30 --- 18 45 11 43.2 169.5 -0.5 0.0 193 2656 07 01 01 07 04 30 J1905+0952 18 45 11 42.3 172.8 -0.4 0.0 -17 2656 No stop 07 07 00 =1903+097 18 47 42 42.4 173.7 -0.3 0.0 133 2695 07 04 31 07 07 00 GRS1915 18 47 42 43.3 170.4 -0.5 0.0 -17 2695 No stop 07 10 30 --- 18 51 12 43.3 171.6 -0.4 0.0 193 2749 07 07 01 07 11 10 J1905+0952 18 51 53 42.4 175.1 -0.2 0.0 23 2749 07 11 10 07 13 00 =1903+097 18 53 43 42.4 175.7 -0.2 0.0 110 2777 07 11 11 07 13 00 GRS1915 18 53 43 43.4 172.4 -0.4 0.0 -17 2777 No stop 07 16 30 --- 18 57 13 43.4 173.6 -0.3 0.0 193 2831 07 13 01 07 16 30 J1905+0952 18 57 13 42.5 176.9 -0.2 0.0 -17 2831 No stop 07 19 00 =1903+097 18 59 44 42.5 177.7 -0.1 0.0 133 2870 07 16 31 07 19 00 GRS1915 18 59 44 43.5 174.4 -0.3 0.0 -17 2870 No stop 07 22 30 --- 19 03 14 43.5 175.6 -0.2 0.0 193 2924 07 19 01 07 23 10 J1905+0952 19 03 55 42.5 179.1 -0.0 0.0 23 2924 07 23 10 07 25 00 =1903+097 19 05 45 42.5 179.7 -0.0 0.0 110 2953 07 23 11 07 25 00 GRS1915 19 05 45 43.5 176.5 -0.2 0.0 -17 2953 No stop 07 28 30 --- 19 09 15 43.6 177.7 -0.1 0.0 193 3007 07 25 01 07 28 30 J1905+0952 19 09 15 42.5 180.9 0.0 0.0 -17 3007 No stop 07 31 00 =1903+097 19 11 46 42.5 181.7 0.1 0.0 133 3045 07 28 31 07 31 00 GRS1915 19 11 46 43.6 178.5 -0.1 0.0 -17 3045 No stop 07 34 30 --- 19 15 16 43.6 179.7 -0.0 0.0 193 3099 07 31 01 07 35 10 J1905+0952 19 15 57 42.5 183.1 0.2 0.0 23 3099 07 35 10 07 37 00 =1903+097 19 17 47 42.5 183.7 0.2 0.0 110 3128 07 35 11 07 37 00 J1913+0932 19 17 47 42.2 181.1 0.1 0.0 -16 3128 No stop 07 39 30 --- 19 20 17 42.2 182.0 0.1 0.0 134 3166 07 37 01 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 07 40 00 J1800+3848 19 20 47 67.3 223.5 1.3 0.0 -99 3166 07 40 00 07 45 00 =1758+388 19 25 48 66.8 225.7 1.4 0.0 201 3244 07 40 01 07 45 40 J1905+0952 19 26 28 42.4 186.6 0.3 0.0 -88 3244 07 45 40 07 47 40 =1903+097 19 28 29 42.3 187.3 0.4 0.0 32 3275 07 45 41 07 47 40 GRS1915 19 28 29 43.5 184.2 0.2 0.0 -17 3275 No stop 07 51 10 --- 19 31 59 43.5 185.4 0.3 0.0 193 3329 07 47 41 07 51 10 J1905+0952 19 31 59 42.3 188.4 0.4 0.0 -17 3329 No stop 07 53 40 =1903+097 19 34 30 42.2 189.3 0.5 0.0 133 3367 07 51 11 07 53 40 GRS1915 19 34 30 43.5 186.2 0.3 0.0 -17 3367 No stop 07 57 10 --- 19 38 00 43.4 187.4 0.4 0.0 193 3421 07 53 41 07 57 50 J1905+0952 19 38 40 42.1 190.7 0.5 0.0 23 3421 07 57 50 07 59 40 =1903+097 19 40 31 42.1 191.3 0.6 0.0 110 3450 07 57 51 07 59 40 GRS1915 19 40 31 43.4 188.2 0.4 0.0 -17 3450 No stop 08 03 10 --- 19 44 01 43.3 189.4 0.5 0.0 193 3504 07 59 41 08 03 10 J1905+0952 19 44 01 42.0 192.4 0.6 0.0 -17 3504 No stop 08 05 40 =1903+097 19 46 32 41.9 193.2 0.7 0.0 133 3543 08 03 11 08 05 40 GRS1915 19 46 32 43.2 190.3 0.5 0.0 -17 3543 No stop 08 09 10 --- 19 50 02 43.1 191.4 0.6 0.0 193 3597 08 05 41 08 09 50 J1905+0952 19 50 42 41.7 194.6 0.7 0.0 23 3597 08 09 50 08 11 40 =1903+097 19 52 33 41.7 195.2 0.8 0.0 110 3625 08 09 51 08 11 40 GRS1915 19 52 33 43.1 192.3 0.6 0.0 -17 3625 No stop 08 15 10 --- 19 56 03 43.0 193.4 0.7 0.0 193 3679 08 11 41 08 15 10 J1905+0952 19 56 03 41.6 196.4 0.8 0.0 -17 3679 No stop 08 17 40 =1903+097 19 58 34 41.5 197.2 0.9 0.0 133 3718 08 15 11 08 17 40 GRS1915 19 58 34 42.9 194.3 0.7 0.0 -17 3718 No stop 08 21 10 --- 20 02 04 42.8 195.4 0.8 0.0 193 3772 08 17 41 08 21 50 J1905+0952 20 02 44 41.3 198.5 0.9 0.0 23 3772 08 21 50 08 23 40 =1903+097 20 04 34 41.2 199.1 1.0 0.0 110 3800 08 21 51 08 23 40 GRS1915 20 04 34 42.7 196.3 0.8 0.0 -17 3800 No stop 08 27 10 --- 20 08 05 42.5 197.4 0.9 0.0 193 3854 08 23 41 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 08 27 10 J1905+0952 20 08 05 41.0 200.2 1.0 0.0 -17 3854 No stop 08 29 40 =1903+097 20 10 35 40.9 201.0 1.1 0.0 133 3893 08 27 11 08 29 40 GRS1915 20 10 35 42.4 198.2 0.9 0.0 -17 3893 No stop 08 33 10 --- 20 14 06 42.3 199.4 1.0 0.0 193 3947 08 29 41 08 33 50 J1905+0952 20 14 46 40.7 202.4 1.1 0.0 23 3947 08 33 50 08 35 40 =1903+097 20 16 36 40.6 203.0 1.2 0.0 110 3975 08 33 51 08 35 40 J1913+0932 20 16 36 40.7 200.4 1.0 0.0 -16 3975 No stop 08 38 10 --- 20 19 07 40.6 201.2 1.1 0.0 134 4014 08 35 41 08 38 50 J1905+0952 20 19 47 40.5 204.0 1.2 0.0 24 4014 08 38 50 08 40 50 =1903+097 20 21 47 40.3 204.6 1.3 0.0 120 4045 08 38 51 08 40 50 GRS1915 20 21 47 41.9 201.9 1.1 0.0 -17 4045 No stop 08 44 20 --- 20 25 18 41.7 203.0 1.2 0.0 193 4099 08 40 51 08 44 20 J1905+0952 20 25 18 40.1 205.7 1.3 0.0 -17 4099 No stop 08 46 50 =1903+097 20 27 48 40.0 206.5 1.4 0.0 133 4138 08 44 21 08 46 50 GRS1915 20 27 48 41.6 203.8 1.2 0.0 -17 4138 No stop 08 50 20 --- 20 31 19 41.4 204.9 1.3 0.0 193 4192 08 46 51 08 51 00 J1905+0952 20 31 59 39.7 207.8 1.4 0.0 23 4192 08 51 00 08 52 50 =1903+097 20 33 49 39.6 208.3 1.5 0.0 110 4220 08 51 01 08 52 50 GRS1915 20 33 49 41.3 205.7 1.3 0.0 -17 4220 No stop 08 56 20 --- 20 37 20 41.0 206.8 1.4 0.0 193 4274 08 52 51 08 56 20 J1905+0952 20 37 20 39.4 209.4 1.5 0.0 -17 4274 No stop 08 58 50 =1903+097 20 39 50 39.2 210.2 1.6 0.0 133 4313 08 56 21 08 58 50 GRS1915 20 39 50 40.9 207.6 1.4 0.0 -17 4313 No stop 09 02 20 --- 20 43 21 40.7 208.7 1.5 0.0 193 4367 08 58 51 09 03 00 J1905+0952 20 44 01 38.9 211.5 1.6 0.0 23 4367 09 03 00 09 04 50 =1903+097 20 45 51 38.8 212.0 1.7 0.0 110 4395 09 03 01 09 04 50 GRS1915 20 45 51 40.5 209.5 1.5 0.0 -17 4395 No stop 09 08 20 --- 20 49 22 40.3 210.6 1.6 0.0 193 4449 09 04 51 09 08 20 J1905+0952 20 49 22 38.6 213.1 1.7 0.0 -17 4449 No stop 09 10 50 =1903+097 20 51 52 38.4 213.8 1.8 0.0 133 4488 09 08 21 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 09 10 50 GRS1915 20 51 52 40.1 211.4 1.6 0.0 -17 4488 No stop 09 14 20 --- 20 55 23 39.8 212.4 1.7 0.0 193 4542 09 10 51 09 15 00 J1905+0952 20 56 03 38.0 215.1 1.8 0.0 23 4542 09 15 00 09 16 50 =1903+097 20 57 53 37.9 215.6 1.9 0.0 110 4571 09 15 01 09 16 50 GRS1915 20 57 53 39.7 213.2 1.7 0.0 -17 4571 No stop 09 20 20 --- 21 01 24 39.4 214.3 1.8 0.0 193 4625 09 16 51 09 20 20 J1905+0952 21 01 24 37.6 216.7 1.9 0.0 -17 4625 No stop 09 22 50 =1903+097 21 03 54 37.4 217.4 2.0 0.0 133 4663 09 20 21 09 22 50 GRS1915 21 03 54 39.2 215.0 1.8 0.0 -17 4663 No stop 09 26 20 --- 21 07 25 38.9 216.1 1.9 0.0 193 4717 09 22 51 09 27 00 J1905+0952 21 08 05 37.1 218.6 2.0 0.0 23 4717 09 27 00 09 28 50 =1903+097 21 09 55 36.9 219.1 2.1 0.0 110 4746 09 27 01 09 28 50 J1913+0932 21 09 55 37.3 216.8 1.9 0.0 -16 4746 No stop 09 31 20 --- 21 12 26 37.1 217.5 2.0 0.0 134 4784 09 28 51 09 32 00 J1905+0952 21 13 06 36.6 220.1 2.1 0.0 24 4784 09 32 00 09 34 00 =1903+097 21 15 06 36.5 220.6 2.1 0.0 120 4815 09 32 01 09 34 00 GRS1915 21 15 06 38.3 218.3 2.0 0.0 -17 4815 No stop 09 37 30 --- 21 18 37 38.0 219.4 2.0 0.0 193 4869 09 34 01 09 37 30 J1905+0952 21 18 37 36.2 221.6 2.2 0.0 -17 4869 No stop 09 40 00 =1903+097 21 21 07 35.9 222.3 2.2 0.0 133 4908 09 37 31 09 40 00 GRS1915 21 21 07 37.8 220.1 2.1 0.0 -17 4908 No stop 09 43 30 --- 21 24 38 37.5 221.1 2.1 0.0 193 4962 09 40 01 09 44 10 J1905+0952 21 25 18 35.6 223.5 2.3 0.0 23 4962 09 44 10 09 46 10 =1903+097 21 27 18 35.4 224.1 2.3 0.0 120 4993 09 44 11 09 46 10 GRS1915 21 27 18 37.2 221.9 2.2 0.0 -17 4993 No stop 09 49 40 --- 21 30 49 36.9 222.9 2.2 0.0 193 5047 09 46 11 09 49 40 J1905+0952 21 30 49 35.0 225.1 2.4 0.0 -17 5047 No stop 09 52 10 =1903+097 21 33 19 34.8 225.8 2.4 0.0 133 5086 09 49 41 09 52 10 GRS1915 21 33 19 36.7 223.6 2.3 0.0 -17 5086 No stop 09 55 40 --- 21 36 50 36.4 224.6 2.3 0.0 193 5140 09 52 11 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 09 56 20 J1905+0952 21 37 30 34.4 226.9 2.5 0.0 23 5140 09 56 20 09 58 20 =1903+097 21 39 30 34.2 227.5 2.5 0.0 120 5171 09 56 21 09 58 20 GRS1915 21 39 30 36.1 225.3 2.4 0.0 -17 5171 No stop 10 01 50 --- 21 43 01 35.8 226.3 2.4 0.0 193 5225 09 58 21 10 01 50 J1905+0952 21 43 01 33.8 228.4 2.6 0.0 -17 5225 No stop 10 04 20 =1903+097 21 45 31 33.6 229.1 2.6 0.0 133 5264 10 01 51 10 04 20 GRS1915 21 45 31 35.5 227.0 2.5 0.0 -17 5264 No stop 10 07 50 --- 21 49 02 35.2 228.0 2.5 0.0 193 5318 10 04 21 10 08 30 J1905+0952 21 49 42 33.2 230.2 2.7 0.0 23 5318 10 08 30 10 10 30 =1903+097 21 51 42 32.9 230.7 2.8 0.0 120 5349 10 08 31 10 10 30 GRS1915 21 51 42 34.9 228.7 2.6 0.0 -17 5349 No stop 10 14 00 --- 21 55 13 34.5 229.7 2.7 0.0 193 5403 10 10 31 10 14 00 J1905+0952 21 55 13 32.6 231.7 2.8 0.0 -17 5403 No stop 10 16 30 =1903+097 21 57 43 32.3 232.3 2.9 0.0 133 5441 10 14 01 10 16 30 GRS1915 21 57 43 34.3 230.3 2.7 0.0 -17 5441 No stop 10 20 00 --- 22 01 14 33.9 231.3 2.8 0.0 193 5495 10 16 31 10 20 40 J1905+0952 22 01 54 31.9 233.4 2.9 0.0 23 5495 10 20 40 10 22 40 =1903+097 22 03 54 31.6 233.9 3.0 0.0 120 5526 10 20 41 10 22 40 J1913+0932 22 03 54 32.2 231.8 2.8 0.0 -16 5526 No stop 10 25 10 --- 22 06 24 31.9 232.4 2.9 0.0 134 5565 10 22 41 10 25 50 J1905+0952 22 07 05 31.3 234.8 3.0 0.0 24 5565 10 25 50 10 27 50 =1903+097 22 09 05 31.1 235.3 3.0 0.0 120 5596 10 25 51 10 27 50 GRS1915 22 09 05 33.1 233.4 2.9 0.0 -17 5596 No stop 10 31 20 --- 22 12 35 32.7 234.3 2.9 0.0 193 5650 10 27 51 10 31 20 J1905+0952 22 12 35 30.7 236.2 3.1 0.0 -17 5650 No stop 10 33 50 =1903+097 22 15 06 30.4 236.8 3.1 0.0 133 5689 10 31 21 10 33 50 GRS1915 22 15 06 32.4 234.9 3.0 0.0 -17 5689 No stop 10 37 20 --- 22 18 36 32.0 235.9 3.0 0.0 193 5743 10 33 51 10 38 00 J1905+0952 22 19 17 29.9 237.9 3.2 0.0 23 5743 10 38 00 10 40 00 =1903+097 22 21 17 29.7 238.4 3.2 0.0 120 5774 10 38 01 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 10 40 00 GRS1915 22 21 17 31.7 236.5 3.1 0.0 -17 5774 No stop 10 43 30 --- 22 24 47 31.3 237.4 3.1 0.0 193 5828 10 40 01 10 43 30 J1905+0952 22 24 47 29.3 239.2 3.3 0.0 -17 5828 No stop 10 46 00 =1903+097 22 27 18 29.0 239.9 3.3 0.0 133 5866 10 43 31 10 46 00 GRS1915 22 27 18 31.1 238.1 3.2 0.0 -17 5866 No stop 10 49 30 --- 22 30 48 30.7 239.0 3.2 0.0 193 5921 10 46 01 10 50 10 J1905+0952 22 31 29 28.5 240.9 3.4 0.0 23 5921 10 50 10 10 52 10 =1903+097 22 33 29 28.3 241.4 3.4 0.0 120 5951 10 50 11 10 52 10 GRS1915 22 33 29 30.3 239.6 3.3 0.0 -17 5951 No stop 10 55 40 --- 22 36 59 29.9 240.5 3.3 0.0 193 6006 10 52 11 10 55 40 J1905+0952 22 36 59 27.9 242.3 3.5 0.0 -17 6006 No stop 10 58 10 =1903+097 22 39 30 27.6 242.9 3.5 0.0 133 6044 10 55 41 10 58 10 GRS1915 22 39 30 29.6 241.1 3.4 0.0 -17 6044 No stop 11 01 40 --- 22 43 00 29.2 242.0 3.4 0.0 193 6098 10 58 11 11 02 20 J1905+0952 22 43 41 27.1 243.9 3.6 0.0 23 6098 11 02 20 11 04 20 =1903+097 22 45 41 26.8 244.4 3.7 0.0 120 6129 11 02 21 11 04 20 J1913+0932 22 45 41 27.5 242.3 3.5 0.0 -16 6129 No stop 11 06 50 --- 22 48 11 27.2 242.9 3.6 0.0 134 6168 11 04 21 11 07 30 J1905+0952 22 48 51 26.4 245.1 3.7 0.0 24 6168 11 07 30 11 09 30 =1903+097 22 50 52 26.2 245.6 3.7 0.0 120 6199 11 07 31 11 09 30 GRS1915 22 50 52 28.3 243.9 3.6 0.0 -17 6199 No stop 11 13 00 --- 22 54 22 27.9 244.8 3.6 0.0 193 6253 11 09 31 11 13 00 J1905+0952 22 54 22 25.8 246.4 3.8 0.0 -17 6253 No stop 11 15 30 =1903+097 22 56 53 25.4 247.0 3.8 0.0 133 6292 11 13 01 11 15 30 GRS1915 22 56 53 27.5 245.4 3.7 0.0 -17 6292 No stop 11 19 00 --- 23 00 23 27.1 246.2 3.7 0.0 193 6346 11 15 31 11 19 40 J1905+0952 23 01 03 24.9 248.0 3.9 0.0 23 6346 11 19 40 11 21 40 =1903+097 23 03 04 24.7 248.5 3.9 0.0 120 6377 11 19 41 11 21 40 GRS1915 23 03 04 26.8 246.8 3.8 0.0 -17 6377 No stop 11 25 10 --- 23 06 34 26.4 247.7 3.8 0.0 193 6431 11 21 41 Schedule for ONSALA85 (Code O8 ) 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 5 Mar 2021 Day 64 --- 11 25 10 J1905+0952 23 06 34 24.2 249.3 4.0 0.0 -17 6431 No stop 11 27 40 =1903+097 23 09 05 23.9 249.9 4.0 0.0 133 6469 11 25 11 11 27 40 GRS1915 23 09 05 26.0 248.3 3.9 0.0 -17 6469 No stop 11 31 10 --- 23 12 35 25.6 249.1 3.9 0.0 193 6523 11 27 41 11 31 50 J1905+0952 23 13 15 23.4 250.8 4.1 0.0 23 6523 11 31 50 11 33 50 =1903+097 23 15 16 23.1 251.3 4.1 0.0 120 6554 11 31 51 11 33 50 GRS1915 23 15 16 25.3 249.7 4.0 0.0 -17 6554 No stop 11 37 20 --- 23 18 46 24.8 250.5 4.0 0.0 193 6608 11 33 51 11 37 20 J1905+0952 23 18 46 22.7 252.1 4.2 0.0 -17 6608 No stop 11 39 50 =1903+097 23 21 17 22.4 252.7 4.2 0.0 133 6647 11 37 21 11 39 50 GRS1915 23 21 17 24.5 251.1 4.1 0.0 -17 6647 No stop 11 43 20 --- 23 24 47 24.0 251.9 4.1 0.0 193 6701 11 39 51 11 44 00 J1905+0952 23 25 27 21.8 253.6 4.3 0.0 23 6701 11 44 00 11 46 00 =1903+097 23 27 28 21.6 254.1 4.3 0.0 120 6732 11 44 01 11 46 00 J1913+0932 23 27 28 22.3 252.1 4.2 0.0 -16 6732 No stop 11 48 30 --- 23 29 58 22.0 252.7 4.3 0.0 134 6771 11 46 01 11 49 10 J1905+0952 23 30 38 21.1 254.8 4.4 0.0 24 6771 11 49 10 11 52 40 =1903+097 23 34 09 20.7 255.6 4.5 0.0 210 6825 11 49 11 11 54 00 J2253+1608 23 35 29 48.2 194.7 0.7 0.0 -121 6825 11 54 00 12 00 00 =3C454.3 23 41 30 47.9 196.8 0.8 0.0 239 6918 11 54 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess121.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: 6 Station: ONSALA85 Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_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 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 5 Setup file default. Used with PCAL = off LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 730.49 730.49 730.49 730.49 794.49 794.49 794.49 794.49 858.49 858.49 858.49 858.49 922.49 922.49 922.49 922.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 5 13 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 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 09.784147 0.00 GRS1915+105 10 51 26.57111 * 10 56 44.62477 10 58 46.80895 0.00 From catalog imbedded in main SCHED input file. * J1913+0932 19 11 00.869981 * 19 13 24.025348 19 14 22.931578 0.00 09 27 34.81592 * 09 32 45.37648 09 34 44.78753 0.00 From catalog imbedded in main SCHED input file. 1758+388 17 58 44.703954 * 18 00 24.765363 18 01 05.985930 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69748 38 48 11.69985 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 38.639105 0.13 * J1905+0952 09 47 30.15815 * 09 52 08.40750 09 53 54.19200 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 58.214842 0.65 * J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 26.32748 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 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 14 3.967 484.265 J1913+0932 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.375 42.444 J1800+3848 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.167 21.481 J1905+0952 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 14 2.850 348.727 J2253+1608 sess121.C2048 1 2 3 4 5 7 8 9 10 11 14 0.100 9.360 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 59.3 J1913+0932 59.4 J1800+3848 82.9 J1905+0952 61.3 J2253+1608 22.3 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