COVER INFORMATION Station: ONSALA85 (Code O8 ) Experiment: Probing the radio jets in GRS1915+105 in a new puzzling accretion state Exp. Code: EM144C Schedule Version: 3.40 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 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 21 30 00 J1800+3848 15 59 09 62.8 120.0 -2.0 0.0 0 0 21 30 00 21 35 00 =1758+388 16 04 10 63.4 121.7 -1.9 0.0 300 77 21 30 01 21 37 00 J1905+0952 16 06 10 31.3 125.2 -3.0 0.0 -8 77 21 37 00 21 39 30 =1903+097 16 08 40 31.6 125.9 -3.0 0.0 142 116 21 37 01 21 39 30 GRS1915 16 08 40 31.5 122.8 -3.1 0.0 -17 116 No stop 21 43 00 --- 16 12 11 31.9 123.7 -3.1 0.0 193 170 21 39 31 21 43 40 J1905+0952 16 12 51 32.0 127.0 -2.9 0.0 23 170 21 43 40 21 45 30 =1903+097 16 14 41 32.2 127.4 -2.9 0.0 110 198 21 43 41 21 45 30 GRS1915 16 14 41 32.1 124.4 -3.0 0.0 -17 198 No stop 21 49 00 --- 16 18 12 32.5 125.3 -3.0 0.0 193 252 21 45 31 21 49 00 J1905+0952 16 18 12 32.6 128.4 -2.8 0.0 -17 252 No stop 21 51 30 =1903+097 16 20 42 32.9 129.0 -2.8 0.0 133 291 21 49 01 21 51 30 GRS1915 16 20 42 32.8 126.0 -2.9 0.0 -17 291 No stop 21 55 00 --- 16 24 13 33.2 126.9 -2.9 0.0 193 345 21 51 31 21 55 40 J1905+0952 16 24 53 33.3 130.1 -2.7 0.0 23 345 21 55 40 21 57 30 =1903+097 16 26 43 33.5 130.6 -2.7 0.0 110 374 21 55 41 21 57 30 GRS1915 16 26 43 33.5 127.5 -2.8 0.0 -17 374 No stop 22 01 00 --- 16 30 14 33.8 128.5 -2.8 0.0 193 428 21 57 31 22 01 00 J1905+0952 16 30 14 33.8 131.6 -2.6 0.0 -17 428 No stop 22 03 30 =1903+097 16 32 44 34.1 132.3 -2.6 0.0 133 466 22 01 01 22 03 30 GRS1915 16 32 44 34.1 129.1 -2.7 0.0 -17 466 No stop 22 07 00 --- 16 36 15 34.5 130.1 -2.7 0.0 193 520 22 03 31 22 07 40 J1905+0952 16 36 55 34.5 133.4 -2.5 0.0 23 520 22 07 40 22 09 30 =1903+097 16 38 45 34.7 133.9 -2.5 0.0 110 549 22 07 41 22 09 30 GRS1915 16 38 45 34.7 130.8 -2.6 0.0 -17 549 No stop 22 13 00 --- 16 42 16 35.1 131.7 -2.6 0.0 193 603 22 09 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 22 13 00 J1905+0952 16 42 16 35.0 134.9 -2.4 0.0 -17 603 No stop 22 15 30 =1903+097 16 44 46 35.2 135.6 -2.4 0.0 133 642 22 13 01 22 15 30 GRS1915 16 44 46 35.3 132.4 -2.5 0.0 -17 642 No stop 22 19 00 --- 16 48 17 35.7 133.4 -2.5 0.0 193 696 22 15 31 22 19 40 J1905+0952 16 48 57 35.6 136.7 -2.3 0.0 23 696 22 19 40 22 21 30 =1903+097 16 50 47 35.8 137.2 -2.3 0.0 110 724 22 19 41 22 21 30 GRS1915 16 50 47 35.9 134.1 -2.4 0.0 -17 724 No stop 22 25 00 --- 16 54 18 36.2 135.1 -2.4 0.0 193 778 22 21 31 22 25 00 J1905+0952 16 54 18 36.1 138.2 -2.2 0.0 -17 778 No stop 22 27 30 =1903+097 16 56 48 36.3 139.0 -2.2 0.0 133 817 22 25 01 22 27 30 GRS1915 16 56 48 36.5 135.8 -2.3 0.0 -17 817 No stop 22 31 00 --- 17 00 19 36.8 136.7 -2.3 0.0 193 871 22 27 31 22 31 40 J1905+0952 17 00 59 36.7 140.2 -2.1 0.0 23 871 22 31 40 22 33 30 =1903+097 17 02 49 36.9 140.7 -2.1 0.0 110 899 22 31 41 22 33 30 J1913+0932 17 02 49 35.9 138.6 -2.2 0.0 -16 899 No stop 22 37 00 --- 17 06 20 36.2 139.6 -2.1 0.0 194 953 22 33 31 22 38 00 J1905+0952 17 07 20 37.3 142.0 -2.0 0.0 44 953 22 38 00 22 40 30 =1903+097 17 09 50 37.5 142.7 -1.9 0.0 150 992 22 38 01 22 40 30 GRS1915 17 09 50 37.7 139.5 -2.1 0.0 -17 992 No stop 22 44 00 --- 17 13 21 38.0 140.5 -2.0 0.0 193 1046 22 40 31 22 44 00 J1905+0952 17 13 21 37.7 143.8 -1.9 0.0 -17 1046 No stop 22 46 30 =1903+097 17 15 51 37.9 144.5 -1.8 0.0 133 1085 22 44 01 22 46 30 GRS1915 17 15 51 38.2 141.2 -2.0 0.0 -17 1085 No stop 22 50 00 --- 17 19 22 38.5 142.3 -1.9 0.0 193 1139 22 46 31 22 50 40 J1905+0952 17 20 02 38.3 145.7 -1.8 0.0 23 1139 22 50 40 22 52 30 =1903+097 17 21 52 38.4 146.3 -1.7 0.0 110 1167 22 50 41 22 52 30 GRS1915 17 21 52 38.7 143.0 -1.9 0.0 -17 1167 No stop 22 56 00 --- 17 25 23 39.0 144.1 -1.8 0.0 193 1221 22 52 31 22 56 00 J1905+0952 17 25 23 38.7 147.3 -1.7 0.0 -17 1221 No stop 22 58 30 =1903+097 17 27 53 38.8 148.1 -1.6 0.0 133 1260 22 56 01 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 22 58 30 GRS1915 17 27 53 39.2 144.8 -1.8 0.0 -17 1260 No stop 23 02 00 --- 17 31 24 39.4 145.9 -1.7 0.0 193 1314 22 58 31 23 02 40 J1905+0952 17 32 04 39.1 149.4 -1.6 0.0 23 1314 23 02 40 23 04 30 =1903+097 17 33 54 39.3 149.9 -1.5 0.0 110 1342 23 02 41 23 04 30 GRS1915 17 33 54 39.6 146.6 -1.7 0.0 -17 1342 No stop 23 08 00 --- 17 37 25 39.9 147.7 -1.6 0.0 193 1396 23 04 31 23 08 00 J1905+0952 17 37 25 39.5 151.0 -1.5 0.0 -17 1396 No stop 23 10 30 =1903+097 17 39 55 39.7 151.8 -1.4 0.0 133 1435 23 08 01 23 10 30 GRS1915 17 39 55 40.1 148.5 -1.6 0.0 -17 1435 No stop 23 14 00 --- 17 43 26 40.3 149.5 -1.5 0.0 193 1489 23 10 31 23 14 40 J1905+0952 17 44 06 39.9 153.1 -1.4 0.0 23 1489 23 14 40 23 16 30 =1903+097 17 45 56 40.0 153.6 -1.3 0.0 110 1517 23 14 41 23 16 30 GRS1915 17 45 56 40.5 150.3 -1.5 0.0 -17 1517 No stop 23 20 00 --- 17 49 27 40.7 151.4 -1.4 0.0 193 1572 23 16 31 23 20 00 J1905+0952 17 49 27 40.2 154.7 -1.3 0.0 -17 1572 No stop 23 22 30 =1903+097 17 51 57 40.4 155.5 -1.2 0.0 133 1610 23 20 01 23 22 30 GRS1915 17 51 57 40.9 152.2 -1.4 0.0 -17 1610 No stop 23 26 00 --- 17 55 28 41.1 153.3 -1.3 0.0 193 1664 23 22 31 23 26 40 J1905+0952 17 56 08 40.6 156.9 -1.2 0.0 23 1664 23 26 40 23 28 30 =1903+097 17 57 58 40.7 157.4 -1.1 0.0 110 1693 23 26 41 23 28 30 GRS1915 17 57 58 41.2 154.1 -1.3 0.0 -17 1693 No stop 23 32 00 --- 18 01 29 41.4 155.2 -1.2 0.0 193 1747 23 28 31 23 32 00 J1905+0952 18 01 29 40.9 158.6 -1.1 0.0 -17 1747 No stop 23 34 30 =1903+097 18 03 59 41.0 159.4 -1.0 0.0 133 1785 23 32 01 23 34 30 J1913+0932 18 03 59 40.3 157.0 -1.2 0.0 -16 1785 No stop 23 38 00 --- 18 07 30 40.5 158.1 -1.1 0.0 194 1840 23 34 31 23 39 00 J1905+0952 18 08 30 41.2 160.8 -1.0 0.0 44 1840 23 39 00 23 41 30 =1903+097 18 11 00 41.3 161.6 -0.9 0.0 150 1878 23 39 01 23 41 30 GRS1915 18 11 00 41.9 158.3 -1.1 0.0 -17 1878 No stop 23 45 00 --- 18 14 31 42.1 159.4 -1.0 0.0 193 1932 23 41 31 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 23 45 00 J1905+0952 18 14 31 41.5 162.7 -0.9 0.0 -17 1932 No stop 23 47 30 =1903+097 18 17 01 41.6 163.6 -0.8 0.0 133 1971 23 45 01 23 47 30 GRS1915 18 17 01 42.2 160.2 -1.0 0.0 -17 1971 No stop 23 51 00 --- 18 20 32 42.4 161.4 -0.9 0.0 193 2025 23 47 31 23 51 40 J1905+0952 18 21 12 41.7 164.9 -0.8 0.0 23 2025 23 51 40 23 53 30 =1903+097 18 23 02 41.8 165.5 -0.7 0.0 110 2053 23 51 41 23 53 30 GRS1915 18 23 02 42.5 162.2 -0.9 0.0 -17 2053 No stop 23 57 00 --- 18 26 33 42.6 163.3 -0.8 0.0 193 2107 23 53 31 23 57 00 J1905+0952 18 26 33 41.9 166.7 -0.7 0.0 -17 2107 No stop 23 59 30 =1903+097 18 29 03 42.0 167.5 -0.6 0.0 133 2146 23 57 01 --- Start: Wed 16 Jun 2021 Day 167 -- Stop: Thu 17 Jun 2021 Day 168 --- 23 59 30 GRS1915 18 29 03 42.7 164.2 -0.8 0.0 -17 2146 No stop 00 03 00 --- 18 32 34 42.8 165.3 -0.7 0.0 193 2200 23 59 31 00 03 40 J1905+0952 18 33 14 42.1 168.9 -0.6 0.0 23 2200 00 03 40 00 05 30 =1903+097 18 35 04 42.1 169.5 -0.5 0.0 110 2229 00 03 41 00 05 30 GRS1915 18 35 04 42.9 166.2 -0.7 0.0 -17 2229 No stop 00 09 00 --- 18 38 35 43.0 167.3 -0.6 0.0 193 2283 00 05 31 00 09 00 J1905+0952 18 38 35 42.2 170.6 -0.5 0.0 -17 2283 No stop 00 11 30 =1903+097 18 41 05 42.3 171.5 -0.4 0.0 133 2321 00 09 01 00 11 30 GRS1915 18 41 05 43.1 168.2 -0.6 0.0 -17 2321 No stop 00 15 00 --- 18 44 36 43.2 169.3 -0.5 0.0 193 2375 00 11 31 00 15 40 J1905+0952 18 45 16 42.3 172.9 -0.4 0.0 23 2375 00 15 40 00 17 30 =1903+097 18 47 06 42.4 173.5 -0.3 0.0 110 2404 00 15 41 00 17 30 GRS1915 18 47 06 43.3 170.2 -0.5 0.0 -17 2404 No stop 00 21 00 --- 18 50 37 43.3 171.4 -0.4 0.0 193 2458 00 17 31 00 21 00 J1905+0952 18 50 37 42.4 174.6 -0.3 0.0 -17 2458 No stop 00 23 30 =1903+097 18 53 07 42.4 175.5 -0.2 0.0 133 2497 00 21 01 00 23 30 GRS1915 18 53 07 43.4 172.2 -0.4 0.0 -17 2497 No stop 00 27 00 --- 18 56 38 43.4 173.4 -0.3 0.0 193 2551 00 23 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 00 27 40 J1905+0952 18 57 18 42.5 176.9 -0.2 0.0 23 2551 00 27 40 00 29 30 =1903+097 18 59 08 42.5 177.5 -0.1 0.0 110 2579 00 27 41 00 29 30 GRS1915 18 59 08 43.5 174.2 -0.3 0.0 -17 2579 No stop 00 33 00 --- 19 02 39 43.5 175.4 -0.2 0.0 193 2633 00 29 31 00 33 00 J1905+0952 19 02 39 42.5 178.6 -0.1 0.0 -17 2633 No stop 00 35 30 =1903+097 19 05 09 42.5 179.5 -0.0 0.0 133 2672 00 33 01 00 35 30 J1913+0932 19 05 09 42.2 176.9 -0.2 0.0 -16 2672 No stop 00 39 00 --- 19 08 40 42.2 178.1 -0.1 0.0 194 2726 00 35 31 00 40 00 J1905+0952 19 09 40 42.5 181.0 0.0 0.0 44 2726 00 40 00 00 42 30 =1903+097 19 12 10 42.5 181.8 0.1 0.0 150 2764 00 40 01 00 42 30 GRS1915 19 12 10 43.6 178.6 -0.1 0.0 -17 2764 No stop 00 46 00 --- 19 15 41 43.6 179.8 -0.0 0.0 193 2819 00 42 31 00 46 00 J1905+0952 19 15 41 42.5 183.0 0.1 0.0 -17 2819 No stop 00 48 30 =1903+097 19 18 11 42.5 183.8 0.2 0.0 133 2857 00 46 01 00 48 30 GRS1915 19 18 11 43.6 180.7 0.0 0.0 -17 2857 No stop 00 52 00 --- 19 21 42 43.6 181.9 0.1 0.0 193 2911 00 48 31 00 52 40 J1905+0952 19 22 22 42.4 185.2 0.3 0.0 23 2911 00 52 40 00 54 30 =1903+097 19 24 12 42.4 185.8 0.3 0.0 110 2940 00 52 41 00 54 30 GRS1915 19 24 12 43.6 182.7 0.1 0.0 -17 2940 No stop 00 58 00 --- 19 27 43 43.5 183.9 0.2 0.0 193 2994 00 54 31 00 58 00 J1905+0952 19 27 43 42.3 187.0 0.4 0.0 -17 2994 No stop 01 00 30 =1903+097 19 30 13 42.3 187.8 0.4 0.0 133 3032 00 58 01 01 00 30 GRS1915 19 30 13 43.5 184.7 0.2 0.0 -17 3032 No stop 01 04 00 --- 19 33 44 43.5 185.9 0.3 0.0 193 3087 01 00 31 01 04 40 J1905+0952 19 34 24 42.2 189.2 0.5 0.0 23 3087 01 04 40 01 06 30 =1903+097 19 36 14 42.2 189.8 0.5 0.0 110 3115 01 04 41 01 06 30 GRS1915 19 36 14 43.4 186.8 0.3 0.0 -17 3115 No stop 01 10 00 --- 19 39 45 43.4 188.0 0.4 0.0 193 3169 01 06 31 01 10 00 J1905+0952 19 39 45 42.1 191.0 0.6 0.0 -17 3169 No stop 01 12 30 =1903+097 19 42 15 42.0 191.8 0.6 0.0 133 3208 01 10 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 01 12 30 GRS1915 19 42 15 43.3 188.8 0.4 0.0 -17 3208 No stop 01 16 00 --- 19 45 46 43.2 190.0 0.5 0.0 193 3262 01 12 31 01 16 40 J1905+0952 19 46 26 41.9 193.2 0.7 0.0 23 3262 01 16 40 01 18 30 =1903+097 19 48 16 41.8 193.8 0.7 0.0 110 3290 01 16 41 01 18 30 GRS1915 19 48 16 43.2 190.8 0.5 0.0 -17 3290 No stop 01 22 00 --- 19 51 47 43.1 192.0 0.6 0.0 193 3344 01 18 31 01 22 00 J1905+0952 19 51 47 41.7 195.0 0.8 0.0 -17 3344 No stop 01 24 30 =1903+097 19 54 17 41.6 195.8 0.8 0.0 133 3383 01 22 01 01 24 30 GRS1915 19 54 17 43.0 192.8 0.6 0.0 -17 3383 No stop 01 28 00 --- 19 57 48 42.9 194.0 0.7 0.0 193 3437 01 24 31 01 28 40 J1905+0952 19 58 28 41.5 197.1 0.9 0.0 23 3437 01 28 40 01 30 30 =1903+097 20 00 18 41.4 197.7 0.9 0.0 110 3465 01 28 41 01 30 30 GRS1915 20 00 18 42.8 194.8 0.7 0.0 -17 3465 No stop 01 34 00 --- 20 03 49 42.7 196.0 0.8 0.0 193 3519 01 30 31 01 34 40 J1905+0952 20 04 29 41.2 199.1 1.0 0.0 23 3519 01 34 40 01 36 30 =1903+097 20 06 19 41.1 199.7 1.0 0.0 110 3548 01 34 41 01 36 30 J1913+0932 20 06 19 41.1 197.1 0.9 0.0 -16 3548 No stop 01 39 00 --- 20 08 50 41.0 197.9 0.9 0.0 134 3586 01 36 31 01 39 00 J1905+0952 20 08 50 41.0 200.5 1.0 0.0 -16 3586 No stop 01 41 30 =1903+097 20 11 20 40.9 201.3 1.1 0.0 134 3625 01 39 01 01 42 00 J1800+3848 20 11 50 61.8 242.9 2.2 0.0 -98 3625 01 42 00 01 47 00 =1758+388 20 16 51 61.2 244.6 2.3 0.0 202 3702 01 42 01 01 49 00 J1905+0952 20 18 51 40.5 203.7 1.2 0.0 -8 3702 01 49 00 01 51 30 =1903+097 20 21 22 40.4 204.4 1.2 0.0 142 3741 01 49 01 01 51 30 GRS1915 20 21 22 41.9 201.7 1.1 0.0 -17 3741 No stop 01 55 00 --- 20 24 52 41.8 202.9 1.1 0.0 193 3795 01 51 31 01 55 00 J1905+0952 20 24 52 40.2 205.6 1.3 0.0 -17 3795 No stop 01 57 30 =1903+097 20 27 23 40.0 206.3 1.3 0.0 133 3834 01 55 01 01 57 30 GRS1915 20 27 23 41.6 203.7 1.2 0.0 -17 3834 No stop 02 01 00 --- 20 30 53 41.4 204.8 1.2 0.0 193 3888 01 57 31 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 02 01 40 J1905+0952 20 31 34 39.8 207.6 1.4 0.0 23 3888 02 01 40 02 03 30 =1903+097 20 33 24 39.7 208.2 1.4 0.0 110 3916 02 01 41 02 03 30 GRS1915 20 33 24 41.3 205.6 1.3 0.0 -17 3916 No stop 02 07 00 --- 20 36 54 41.1 206.7 1.3 0.0 193 3970 02 03 31 02 07 00 J1905+0952 20 36 54 39.4 209.3 1.5 0.0 -17 3970 No stop 02 09 30 =1903+097 20 39 25 39.3 210.1 1.5 0.0 133 4009 02 07 01 02 09 30 GRS1915 20 39 25 40.9 207.5 1.4 0.0 -17 4009 No stop 02 13 00 --- 20 42 55 40.7 208.6 1.4 0.0 193 4063 02 09 31 02 13 40 J1905+0952 20 43 35 39.0 211.3 1.6 0.0 23 4063 02 13 40 02 15 30 =1903+097 20 45 26 38.8 211.9 1.6 0.0 110 4091 02 13 41 02 15 30 GRS1915 20 45 26 40.5 209.4 1.5 0.0 -17 4091 No stop 02 19 00 --- 20 48 56 40.3 210.4 1.5 0.0 193 4145 02 15 31 02 19 00 J1905+0952 20 48 56 38.6 212.9 1.7 0.0 -17 4145 No stop 02 21 30 =1903+097 20 51 27 38.4 213.7 1.7 0.0 133 4184 02 19 01 02 21 30 GRS1915 20 51 27 40.1 211.2 1.6 0.0 -17 4184 No stop 02 25 00 --- 20 54 57 39.9 212.3 1.6 0.0 193 4238 02 21 31 02 25 40 J1905+0952 20 55 37 38.1 214.9 1.8 0.0 23 4238 02 25 40 02 27 30 =1903+097 20 57 28 37.9 215.5 1.8 0.0 110 4266 02 25 41 02 27 30 GRS1915 20 57 28 39.7 213.1 1.7 0.0 -17 4266 No stop 02 31 00 --- 21 00 58 39.4 214.1 1.7 0.0 193 4321 02 27 31 02 31 00 J1905+0952 21 00 58 37.7 216.5 1.9 0.0 -17 4321 No stop 02 33 30 =1903+097 21 03 29 37.5 217.3 1.9 0.0 133 4359 02 31 01 02 33 30 GRS1915 21 03 29 39.2 214.9 1.8 0.0 -17 4359 No stop 02 37 00 --- 21 06 59 39.0 215.9 1.8 0.0 193 4413 02 33 31 02 37 40 J1905+0952 21 07 39 37.1 218.5 2.0 0.0 23 4413 02 37 40 02 39 30 =1903+097 21 09 30 37.0 219.0 2.0 0.0 110 4442 02 37 41 02 39 30 GRS1915 21 09 30 38.8 216.7 1.9 0.0 -17 4442 No stop 02 43 00 --- 21 13 00 38.5 217.7 1.9 0.0 193 4496 02 39 31 02 43 00 J1905+0952 21 13 00 36.7 220.0 2.1 0.0 -17 4496 No stop 02 45 30 =1903+097 21 15 31 36.4 220.7 2.1 0.0 133 4534 02 43 01 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 02 45 30 J1913+0932 21 15 31 36.8 218.4 2.0 0.0 -16 4534 No stop 02 49 00 --- 21 19 01 36.5 219.4 2.1 0.0 194 4589 02 45 31 02 50 00 J1905+0952 21 20 01 36.0 222.0 2.2 0.0 44 4589 02 50 00 02 52 30 =1903+097 21 22 32 35.8 222.7 2.3 0.0 150 4627 02 50 01 02 52 30 GRS1915 21 22 32 37.7 220.5 2.1 0.0 -17 4627 No stop 02 56 00 --- 21 26 02 37.4 221.5 2.2 0.0 193 4681 02 52 31 02 56 00 J1905+0952 21 26 02 35.5 223.7 2.3 0.0 -17 4681 No stop 02 58 30 =1903+097 21 28 33 35.3 224.4 2.4 0.0 133 4720 02 56 01 02 58 30 GRS1915 21 28 33 37.1 222.2 2.2 0.0 -17 4720 No stop 03 02 00 --- 21 32 03 36.8 223.2 2.3 0.0 193 4774 02 58 31 03 02 40 J1905+0952 21 32 44 34.9 225.6 2.4 0.0 23 4774 03 02 40 03 04 30 =1903+097 21 34 34 34.7 226.1 2.5 0.0 110 4802 03 02 41 03 04 30 GRS1915 21 34 34 36.6 223.9 2.3 0.0 -17 4802 No stop 03 08 00 --- 21 38 04 36.3 224.9 2.4 0.0 193 4856 03 04 31 03 08 00 J1905+0952 21 38 04 34.3 227.0 2.5 0.0 -17 4856 No stop 03 10 30 =1903+097 21 40 35 34.1 227.7 2.6 0.0 133 4895 03 08 01 03 10 30 GRS1915 21 40 35 36.0 225.6 2.4 0.0 -17 4895 No stop 03 14 00 --- 21 44 05 35.7 226.6 2.5 0.0 193 4949 03 10 31 03 14 40 J1905+0952 21 44 45 33.7 228.9 2.6 0.0 23 4949 03 14 40 03 16 30 =1903+097 21 46 36 33.5 229.4 2.7 0.0 110 4978 03 14 41 03 16 30 GRS1915 21 46 36 35.4 227.3 2.5 0.0 -17 4978 No stop 03 20 00 --- 21 50 06 35.1 228.3 2.6 0.0 193 5032 03 16 31 03 20 00 J1905+0952 21 50 06 33.1 230.3 2.7 0.0 -17 5032 No stop 03 22 30 =1903+097 21 52 37 32.9 231.0 2.8 0.0 133 5070 03 20 01 03 22 30 GRS1915 21 52 37 34.8 229.0 2.6 0.0 -17 5070 No stop 03 26 00 --- 21 56 07 34.5 229.9 2.7 0.0 193 5124 03 22 31 03 26 40 J1905+0952 21 56 47 32.4 232.1 2.8 0.0 23 5124 03 26 40 03 28 30 =1903+097 21 58 38 32.2 232.6 2.9 0.0 110 5153 03 26 41 03 28 30 GRS1915 21 58 38 34.2 230.6 2.7 0.0 -17 5153 No stop 03 32 00 --- 22 02 08 33.8 231.5 2.8 0.0 193 5207 03 28 31 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 03 32 00 J1905+0952 22 02 08 31.8 233.5 2.9 0.0 -17 5207 No stop 03 34 30 =1903+097 22 04 39 31.6 234.1 3.0 0.0 133 5246 03 32 01 03 34 30 GRS1915 22 04 39 33.6 232.2 2.8 0.0 -17 5246 No stop 03 38 00 --- 22 08 09 33.2 233.1 2.9 0.0 193 5300 03 34 31 03 38 40 J1905+0952 22 08 49 31.1 235.2 3.0 0.0 23 5300 03 38 40 03 40 30 =1903+097 22 10 40 30.9 235.7 3.1 0.0 110 5328 03 38 41 03 40 30 GRS1915 22 10 40 32.9 233.8 2.9 0.0 -17 5328 No stop 03 44 00 --- 22 14 10 32.5 234.7 3.0 0.0 193 5382 03 40 31 03 44 00 J1905+0952 22 14 10 30.5 236.6 3.1 0.0 -17 5382 No stop 03 46 30 =1903+097 22 16 41 30.2 237.2 3.2 0.0 133 5421 03 44 01 03 46 30 J1913+0932 22 16 41 30.8 235.1 3.0 0.0 -16 5421 No stop 03 50 00 --- 22 20 11 30.4 236.0 3.1 0.0 194 5475 03 46 31 03 51 00 J1905+0952 22 21 11 29.7 238.3 3.2 0.0 44 5475 03 51 00 03 53 30 =1903+097 22 23 42 29.4 239.0 3.3 0.0 150 5513 03 51 01 03 53 30 GRS1915 22 23 42 31.5 237.1 3.1 0.0 -17 5513 No stop 03 57 00 --- 22 27 12 31.1 238.0 3.2 0.0 193 5568 03 53 31 03 57 00 J1905+0952 22 27 12 29.0 239.8 3.3 0.0 -17 5568 No stop 03 59 30 =1903+097 22 29 43 28.7 240.5 3.4 0.0 133 5606 03 57 01 03 59 30 GRS1915 22 29 43 30.8 238.7 3.2 0.0 -17 5606 No stop 04 03 00 --- 22 33 13 30.4 239.6 3.3 0.0 193 5660 03 59 31 04 03 40 J1905+0952 22 33 54 28.2 241.5 3.5 0.0 23 5660 04 03 40 04 05 30 =1903+097 22 35 44 28.0 241.9 3.5 0.0 110 5689 04 03 41 04 05 30 GRS1915 22 35 44 30.1 240.2 3.3 0.0 -17 5689 No stop 04 09 00 --- 22 39 14 29.7 241.1 3.4 0.0 193 5743 04 05 31 04 09 00 J1905+0952 22 39 14 27.6 242.8 3.5 0.0 -17 5743 No stop 04 11 30 =1903+097 22 41 45 27.3 243.4 3.6 0.0 133 5781 04 09 01 04 11 30 GRS1915 22 41 45 29.4 241.7 3.4 0.0 -17 5781 No stop 04 15 00 --- 22 45 15 29.0 242.5 3.5 0.0 193 5836 04 11 31 04 15 40 J1905+0952 22 45 56 26.8 244.4 3.7 0.0 23 5836 04 15 40 04 17 30 =1903+097 22 47 46 26.6 244.8 3.7 0.0 110 5864 04 15 41 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 04 17 30 GRS1915 22 47 46 28.7 243.2 3.5 0.0 -17 5864 No stop 04 21 00 --- 22 51 16 28.2 244.0 3.6 0.0 193 5918 04 17 31 04 21 00 J1905+0952 22 51 16 26.1 245.7 3.7 0.0 -17 5918 No stop 04 23 30 =1903+097 22 53 47 25.8 246.3 3.8 0.0 133 5957 04 21 01 04 23 30 GRS1915 22 53 47 27.9 244.6 3.6 0.0 -17 5957 No stop 04 27 00 --- 22 57 17 27.5 245.5 3.7 0.0 193 6011 04 23 31 04 27 40 J1905+0952 22 57 57 25.3 247.3 3.9 0.0 23 6011 04 27 40 04 29 30 =1903+097 22 59 48 25.1 247.7 3.9 0.0 110 6039 04 27 41 04 29 30 GRS1915 22 59 48 27.2 246.1 3.7 0.0 -17 6039 No stop 04 33 00 --- 23 03 18 26.8 246.9 3.8 0.0 193 6093 04 29 31 04 33 00 J1905+0952 23 03 18 24.6 248.5 3.9 0.0 -17 6093 No stop 04 35 30 =1903+097 23 05 49 24.3 249.1 4.0 0.0 133 6132 04 33 01 04 35 30 GRS1915 23 05 49 26.5 247.5 3.8 0.0 -17 6132 No stop 04 39 00 --- 23 09 19 26.0 248.3 3.9 0.0 193 6186 04 35 31 04 39 40 J1905+0952 23 09 59 23.8 250.1 4.1 0.0 23 6186 04 39 40 04 41 30 =1903+097 23 11 50 23.6 250.5 4.1 0.0 110 6214 04 39 41 04 41 30 GRS1915 23 11 50 25.7 248.9 3.9 0.0 -17 6214 No stop 04 45 00 --- 23 15 20 25.3 249.7 4.0 0.0 193 6268 04 41 31 04 45 00 J1905+0952 23 15 20 23.1 251.3 4.1 0.0 -17 6268 No stop 04 47 30 =1903+097 23 17 51 22.8 251.9 4.2 0.0 133 6307 04 45 01 04 47 30 J1913+0932 23 17 51 23.5 249.9 4.1 0.0 -16 6307 No stop 04 51 00 --- 23 21 21 23.1 250.7 4.1 0.0 194 6361 04 47 31 04 52 00 J1905+0952 23 22 21 22.2 252.9 4.3 0.0 44 6361 04 52 00 04 54 30 =1903+097 23 24 52 21.9 253.5 4.3 0.0 150 6400 04 52 01 04 54 30 GRS1915 23 24 52 24.0 251.9 4.1 0.0 -17 6400 No stop 04 58 00 --- 23 28 22 23.6 252.7 4.2 0.0 193 6454 04 54 31 04 58 00 J1905+0952 23 28 22 21.4 254.3 4.4 0.0 -17 6454 No stop 05 00 30 =1903+097 23 30 53 21.1 254.8 4.4 0.0 133 6492 04 58 01 05 00 30 GRS1915 23 30 53 23.3 253.3 4.2 0.0 -17 6492 No stop 05 04 00 --- 23 34 23 22.8 254.1 4.3 0.0 193 6547 05 00 31 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 05 04 40 J1905+0952 23 35 04 20.6 255.8 4.5 0.0 23 6547 05 04 40 05 06 30 =1903+097 23 36 54 20.3 256.2 4.5 0.0 110 6575 05 04 41 05 06 30 GRS1915 23 36 54 22.5 254.6 4.3 0.0 -17 6575 No stop 05 10 00 --- 23 40 24 22.0 255.4 4.4 0.0 193 6629 05 06 31 05 10 00 J1905+0952 23 40 24 19.9 256.9 4.6 0.0 -17 6629 No stop 05 12 30 =1903+097 23 42 55 19.5 257.5 4.6 0.0 133 6668 05 10 01 05 12 30 GRS1915 23 42 55 21.7 256.0 4.4 0.0 -17 6668 No stop 05 16 00 --- 23 46 25 21.3 256.8 4.5 0.0 193 6722 05 12 31 05 16 40 J1905+0952 23 47 06 19.0 258.4 4.7 0.0 23 6722 05 16 40 05 18 30 =1903+097 23 48 56 18.8 258.8 4.7 0.0 110 6750 05 16 41 05 18 30 J1913+0932 23 48 56 19.5 256.9 4.6 0.0 -16 6750 No stop 05 21 00 --- 23 51 26 19.2 257.5 4.6 0.0 134 6789 05 18 31 05 21 00 J1905+0952 23 51 26 18.4 259.4 4.7 0.0 -16 6789 No stop 05 23 30 =1903+097 23 53 57 18.1 259.9 4.8 0.0 134 6827 05 21 01 05 23 30 J2253+1608 23 53 57 47.4 201.1 1.0 0.0 -201 6827 No stop 05 30 00 =3C454.3 00 00 28 47.1 203.4 1.1 0.0 189 6928 05 23 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.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: 6 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: 6 14 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 12.613599 0.00 GRS1915+105 10 51 26.57111 * 10 56 44.62477 10 58 57.34646 0.00 From catalog imbedded in main SCHED input file. * J1913+0932 19 11 00.869981 * 19 13 24.025348 19 14 25.756814 0.00 09 27 34.81592 * 09 32 45.37648 09 34 55.17469 0.00 From catalog imbedded in main SCHED input file. 1758+388 17 58 44.703954 * 18 00 24.765363 18 01 08.766849 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69748 38 48 27.99045 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 41.444755 0.13 * J1905+0952 09 47 30.15815 * 09 52 08.40750 09 54 04.60661 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 55 00.676644 0.65 * J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 33.13978 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 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 + 3.908 526.698 J1913+0932 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 + 0.433 53.886 J1800+3848 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 + 0.167 23.790 J1905+0952 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 + 2.853 368.153 J2253+1608 sess221.C2048 1 2 3 4 5 6 8 9 10 11 12 15 0.108 8.729 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 138.8 J1913+0932 140.2 J1800+3848 117.7 J1905+0952 140.9 J2253+1608 94.1 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