COVER INFORMATION Station: WSTRBORK (Code Wb ) 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 WSTRBORK (Code Wb ) 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: 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 21 30 00 J1800+3848 15 37 51 61.8 105.5 -2.4 0.0 0 0 21 30 00 21 35 00 =1758+388 15 42 52 62.5 106.9 -2.3 0.0 300 39 21 30 01 21 37 00 J1905+0952 15 44 52 31.0 117.6 -3.4 0.0 11 39 21 37 00 21 39 30 =1903+097 15 47 23 31.4 118.2 -3.3 0.0 150 58 21 37 01 21 39 30 GRS1915 15 47 23 31.0 115.2 -3.5 0.0 -21 58 No stop 21 43 00 --- 15 50 53 31.5 116.0 -3.4 0.0 189 85 21 39 31 21 43 40 J1905+0952 15 51 33 31.9 119.2 -3.3 0.0 19 85 21 43 40 21 45 30 =1903+097 15 53 24 32.2 119.7 -3.2 0.0 110 99 21 43 41 21 45 30 GRS1915 15 53 24 31.8 116.6 -3.4 0.0 -21 99 No stop 21 49 00 --- 15 56 54 32.3 117.5 -3.3 0.0 189 126 21 45 31 21 49 00 J1905+0952 15 56 54 32.6 120.5 -3.2 0.0 -21 126 No stop 21 51 30 =1903+097 15 59 25 32.9 121.1 -3.1 0.0 129 146 21 49 01 21 51 30 GRS1915 15 59 25 32.6 118.1 -3.3 0.0 -21 146 No stop 21 55 00 --- 16 02 55 33.1 119.0 -3.2 0.0 189 173 21 51 31 21 55 40 J1905+0952 16 03 35 33.5 122.2 -3.1 0.0 19 173 21 55 40 21 57 30 =1903+097 16 05 26 33.7 122.7 -3.0 0.0 110 187 21 55 41 21 57 30 GRS1915 16 05 26 33.4 119.6 -3.2 0.0 -21 187 No stop 22 01 00 --- 16 08 56 33.9 120.5 -3.1 0.0 189 214 21 57 31 22 01 00 J1905+0952 16 08 56 34.1 123.6 -3.0 0.0 -21 214 No stop 22 03 30 =1903+097 16 11 27 34.5 124.2 -2.9 0.0 129 233 22 01 01 22 03 30 GRS1915 16 11 27 34.2 121.1 -3.1 0.0 -21 233 No stop 22 07 00 --- 16 14 57 34.6 122.0 -3.0 0.0 189 260 22 03 31 22 07 40 J1905+0952 16 15 37 35.0 125.3 -2.9 0.0 19 260 22 07 40 22 09 30 =1903+097 16 17 28 35.2 125.8 -2.8 0.0 110 274 22 07 41 22 09 30 GRS1915 16 17 28 34.9 122.6 -3.0 0.0 -21 274 No stop 22 13 00 --- 16 20 58 35.4 123.5 -2.9 0.0 189 301 22 09 31 22 13 00 J1905+0952 16 20 58 35.6 126.7 -2.8 0.0 -21 301 No stop 22 15 30 =1903+097 16 23 29 35.9 127.3 -2.7 0.0 129 321 22 13 01 Schedule for WSTRBORK (Code Wb ) 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 15 30 GRS1915 16 23 29 35.7 124.2 -2.9 0.0 -21 321 No stop 22 19 00 --- 16 26 59 36.1 125.1 -2.8 0.0 189 348 22 15 31 22 19 40 J1905+0952 16 27 39 36.4 128.5 -2.7 0.0 19 348 22 19 40 22 21 30 =1903+097 16 29 30 36.6 129.0 -2.6 0.0 110 362 22 19 41 22 21 30 GRS1915 16 29 30 36.4 125.8 -2.8 0.0 -21 362 No stop 22 25 00 --- 16 33 00 36.9 126.7 -2.7 0.0 189 389 22 21 31 22 25 00 J1905+0952 16 33 00 37.1 129.9 -2.6 0.0 -21 389 No stop 22 27 30 =1903+097 16 35 31 37.3 130.6 -2.5 0.0 129 408 22 25 01 22 27 30 GRS1915 16 35 31 37.2 127.4 -2.7 0.0 -21 408 No stop 22 31 00 --- 16 39 01 37.6 128.3 -2.6 0.0 189 435 22 27 31 22 31 40 J1905+0952 16 39 41 37.8 131.7 -2.5 0.0 19 435 22 31 40 22 33 30 =1903+097 16 41 32 38.0 132.3 -2.4 0.0 110 450 22 31 41 22 33 30 J1913+0932 16 41 32 36.9 130.3 -2.5 0.0 -19 450 No stop 22 37 00 --- 16 45 02 37.3 131.3 -2.5 0.0 191 477 22 33 31 22 38 00 J1905+0952 16 46 02 38.5 133.5 -2.3 0.0 40 477 22 38 00 22 40 30 =1903+097 16 48 33 38.8 134.2 -2.3 0.0 150 496 22 38 01 22 40 30 GRS1915 16 48 33 38.7 130.9 -2.5 0.0 -21 496 No stop 22 44 00 --- 16 52 03 39.1 131.9 -2.4 0.0 189 523 22 40 31 22 44 00 J1905+0952 16 52 03 39.2 135.2 -2.2 0.0 -21 523 No stop 22 46 30 =1903+097 16 54 34 39.4 136.0 -2.2 0.0 129 542 22 44 01 22 46 30 GRS1915 16 54 34 39.4 132.6 -2.4 0.0 -21 542 No stop 22 50 00 --- 16 58 04 39.8 133.6 -2.3 0.0 189 569 22 46 31 22 50 40 J1905+0952 16 58 44 39.9 137.2 -2.1 0.0 19 569 22 50 40 22 52 30 =1903+097 17 00 35 40.1 137.7 -2.1 0.0 110 584 22 50 41 22 52 30 GRS1915 17 00 35 40.0 134.3 -2.3 0.0 -21 584 No stop 22 56 00 --- 17 04 05 40.4 135.4 -2.2 0.0 189 611 22 52 31 22 56 00 J1905+0952 17 04 05 40.4 138.7 -2.0 0.0 -21 611 No stop 22 58 30 =1903+097 17 06 36 40.7 139.5 -2.0 0.0 129 630 22 56 01 22 58 30 GRS1915 17 06 36 40.7 136.1 -2.2 0.0 -21 630 No stop 23 02 00 --- 17 10 06 41.0 137.1 -2.1 0.0 189 657 22 58 31 Schedule for WSTRBORK (Code Wb ) 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 --- 23 02 40 J1905+0952 17 10 46 41.1 140.7 -1.9 0.0 19 657 23 02 40 23 04 30 =1903+097 17 12 37 41.2 141.3 -1.9 0.0 110 671 23 02 41 23 04 30 GRS1915 17 12 37 41.3 137.9 -2.1 0.0 -21 671 No stop 23 08 00 --- 17 16 07 41.6 138.9 -2.0 0.0 189 698 23 04 31 23 08 00 J1905+0952 17 16 07 41.6 142.4 -1.8 0.0 -21 698 No stop 23 10 30 =1903+097 17 18 38 41.8 143.1 -1.8 0.0 129 718 23 08 01 23 10 30 GRS1915 17 18 38 41.9 139.7 -2.0 0.0 -21 718 No stop 23 14 00 --- 17 22 08 42.2 140.7 -1.9 0.0 189 745 23 10 31 23 14 40 J1905+0952 17 22 48 42.2 144.4 -1.7 0.0 19 745 23 14 40 23 16 30 =1903+097 17 24 39 42.3 145.0 -1.7 0.0 110 759 23 14 41 23 16 30 GRS1915 17 24 39 42.5 141.5 -1.9 0.0 -21 759 No stop 23 20 00 --- 17 28 09 42.8 142.6 -1.8 0.0 189 786 23 16 31 23 20 00 J1905+0952 17 28 09 42.6 146.1 -1.6 0.0 -21 786 No stop 23 22 30 =1903+097 17 30 40 42.8 146.9 -1.6 0.0 129 805 23 20 01 23 22 30 GRS1915 17 30 40 43.0 143.4 -1.8 0.0 -21 805 No stop 23 26 00 --- 17 34 10 43.3 144.5 -1.7 0.0 189 832 23 22 31 23 26 40 J1905+0952 17 34 50 43.2 148.2 -1.5 0.0 19 832 23 26 40 23 28 30 =1903+097 17 36 41 43.3 148.8 -1.5 0.0 110 846 23 26 41 23 28 30 GRS1915 17 36 41 43.5 145.3 -1.7 0.0 -21 846 No stop 23 32 00 --- 17 40 11 43.8 146.4 -1.6 0.0 189 873 23 28 31 23 32 00 J1905+0952 17 40 11 43.6 149.9 -1.4 0.0 -21 873 No stop 23 34 30 =1903+097 17 42 42 43.8 150.7 -1.4 0.0 129 893 23 32 01 23 34 30 J1913+0932 17 42 42 42.9 148.4 -1.5 0.0 -19 893 No stop 23 38 00 --- 17 46 12 43.1 149.5 -1.5 0.0 191 920 23 34 31 23 39 00 J1905+0952 17 47 12 44.1 152.2 -1.3 0.0 40 920 23 39 00 23 41 30 =1903+097 17 49 43 44.3 153.0 -1.3 0.0 150 939 23 39 01 23 41 30 GRS1915 17 49 43 44.6 149.5 -1.4 0.0 -21 939 No stop 23 45 00 --- 17 53 13 44.9 150.6 -1.4 0.0 189 966 23 41 31 23 45 00 J1905+0952 17 53 13 44.5 154.2 -1.2 0.0 -21 966 No stop 23 47 30 =1903+097 17 55 44 44.7 155.0 -1.2 0.0 129 985 23 45 01 Schedule for WSTRBORK (Code Wb ) 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 47 30 GRS1915 17 55 44 45.1 151.4 -1.3 0.0 -21 985 No stop 23 51 00 --- 17 59 14 45.3 152.6 -1.3 0.0 189 1013 23 47 31 23 51 40 J1905+0952 17 59 54 44.9 156.4 -1.1 0.0 19 1013 23 51 40 23 53 30 =1903+097 18 01 45 45.0 157.1 -1.1 0.0 110 1027 23 51 41 23 53 30 GRS1915 18 01 45 45.5 153.5 -1.2 0.0 -21 1027 No stop 23 57 00 --- 18 05 15 45.7 154.6 -1.2 0.0 189 1054 23 53 31 23 57 00 J1905+0952 18 05 15 45.2 158.3 -1.0 0.0 -21 1054 No stop 23 59 30 =1903+097 18 07 46 45.4 159.1 -1.0 0.0 129 1073 23 57 01 --- Start: Wed 16 Jun 2021 Day 167 -- Stop: Thu 17 Jun 2021 Day 168 --- 23 59 30 GRS1915 18 07 46 45.9 155.5 -1.1 0.0 -21 1073 No stop 00 03 00 --- 18 11 16 46.1 156.7 -1.1 0.0 189 1100 23 59 31 00 03 40 J1905+0952 18 11 56 45.6 160.5 -0.9 0.0 19 1100 00 03 40 00 05 30 =1903+097 18 13 47 45.7 161.2 -0.9 0.0 110 1114 00 03 41 00 05 30 GRS1915 18 13 47 46.2 157.6 -1.0 0.0 -21 1114 No stop 00 09 00 --- 18 17 17 46.4 158.8 -1.0 0.0 189 1141 00 05 31 00 09 00 J1905+0952 18 17 17 45.8 162.4 -0.8 0.0 -21 1141 No stop 00 11 30 =1903+097 18 19 48 46.0 163.3 -0.8 0.0 129 1161 00 09 01 00 11 30 GRS1915 18 19 48 46.6 159.6 -0.9 0.0 -21 1161 No stop 00 15 00 --- 18 23 18 46.7 160.9 -0.9 0.0 189 1188 00 11 31 00 15 40 J1905+0952 18 23 58 46.1 164.7 -0.7 0.0 19 1188 00 15 40 00 17 30 =1903+097 18 25 49 46.2 165.4 -0.7 0.0 110 1202 00 15 41 00 17 30 GRS1915 18 25 49 46.9 161.7 -0.8 0.0 -21 1202 No stop 00 21 00 --- 18 29 19 47.0 163.0 -0.8 0.0 189 1229 00 17 31 00 21 00 J1905+0952 18 29 19 46.3 166.6 -0.6 0.0 -21 1229 No stop 00 23 30 =1903+097 18 31 50 46.4 167.5 -0.6 0.0 129 1248 00 21 01 00 23 30 GRS1915 18 31 50 47.1 163.9 -0.7 0.0 -21 1248 No stop 00 27 00 --- 18 35 20 47.3 165.1 -0.7 0.0 189 1275 00 23 31 00 27 40 J1905+0952 18 36 00 46.5 169.0 -0.5 0.0 19 1275 00 27 40 00 29 30 =1903+097 18 37 51 46.6 169.6 -0.5 0.0 110 1289 00 27 41 Schedule for WSTRBORK (Code Wb ) 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 29 30 GRS1915 18 37 51 47.4 166.0 -0.6 0.0 -21 1289 No stop 00 33 00 --- 18 41 21 47.5 167.3 -0.6 0.0 189 1317 00 29 31 00 33 00 J1905+0952 18 41 21 46.7 170.9 -0.4 0.0 -21 1317 No stop 00 35 30 =1903+097 18 43 52 46.7 171.8 -0.4 0.0 129 1336 00 33 01 00 35 30 J1913+0932 18 43 52 46.2 169.1 -0.5 0.0 -19 1336 No stop 00 39 00 --- 18 47 22 46.3 170.3 -0.5 0.0 191 1363 00 35 31 00 40 00 J1905+0952 18 48 22 46.8 173.4 -0.3 0.0 40 1363 00 40 00 00 42 30 =1903+097 18 50 53 46.9 174.3 -0.3 0.0 150 1382 00 40 01 00 42 30 GRS1915 18 50 53 47.8 170.7 -0.4 0.0 -21 1382 No stop 00 46 00 --- 18 54 23 47.8 172.0 -0.4 0.0 189 1409 00 42 31 00 46 00 J1905+0952 18 54 23 46.9 175.6 -0.2 0.0 -21 1409 No stop 00 48 30 =1903+097 18 56 54 46.9 176.5 -0.2 0.0 129 1429 00 46 01 00 48 30 GRS1915 18 56 54 47.9 172.9 -0.3 0.0 -21 1429 No stop 00 52 00 --- 19 00 24 47.9 174.2 -0.3 0.0 189 1456 00 48 31 00 52 40 J1905+0952 19 01 04 47.0 178.0 -0.1 0.0 19 1456 00 52 40 00 54 30 =1903+097 19 02 55 47.0 178.6 -0.1 0.0 110 1470 00 52 41 00 54 30 GRS1915 19 02 55 48.0 175.1 -0.2 0.0 -21 1470 No stop 00 58 00 --- 19 06 25 48.0 176.4 -0.2 0.0 189 1497 00 54 31 00 58 00 J1905+0952 19 06 25 47.0 179.9 -0.0 0.0 -21 1497 No stop 01 00 30 =1903+097 19 08 56 47.0 180.8 0.0 0.0 129 1516 00 58 01 01 00 30 GRS1915 19 08 56 48.0 177.3 -0.1 0.0 -21 1516 No stop 01 04 00 --- 19 12 26 48.1 178.6 -0.1 0.0 189 1543 01 00 31 01 04 40 J1905+0952 19 13 06 47.0 182.3 0.1 0.0 19 1543 01 04 40 01 06 30 =1903+097 19 14 57 47.0 183.0 0.1 0.0 110 1557 01 04 41 01 06 30 GRS1915 19 14 57 48.1 179.5 -0.0 0.0 -21 1557 No stop 01 10 00 --- 19 18 27 48.1 180.8 0.0 0.0 189 1584 01 06 31 01 10 00 J1905+0952 19 18 27 46.9 184.2 0.2 0.0 -21 1584 No stop 01 12 30 =1903+097 19 20 58 46.9 185.1 0.2 0.0 129 1604 01 10 01 01 12 30 GRS1915 19 20 58 48.1 181.7 0.1 0.0 -21 1604 No stop 01 16 00 --- 19 24 28 48.0 183.0 0.1 0.0 189 1631 01 12 31 Schedule for WSTRBORK (Code Wb ) 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 16 40 J1905+0952 19 25 08 46.8 186.6 0.3 0.0 19 1631 01 16 40 01 18 30 =1903+097 19 26 59 46.8 187.3 0.3 0.0 110 1645 01 16 41 01 18 30 GRS1915 19 26 59 48.0 184.0 0.2 0.0 -21 1645 No stop 01 22 00 --- 19 30 29 48.0 185.2 0.2 0.0 189 1672 01 18 31 01 22 00 J1905+0952 19 30 29 46.7 188.6 0.4 0.0 -21 1672 No stop 01 24 30 =1903+097 19 33 00 46.7 189.5 0.4 0.0 129 1691 01 22 01 01 24 30 GRS1915 19 33 00 47.9 186.2 0.3 0.0 -21 1691 No stop 01 28 00 --- 19 36 30 47.9 187.4 0.3 0.0 189 1718 01 24 31 01 28 40 J1905+0952 19 37 10 46.5 190.9 0.5 0.0 19 1718 01 28 40 01 30 30 =1903+097 19 39 01 46.5 191.6 0.5 0.0 110 1733 01 28 41 01 30 30 GRS1915 19 39 01 47.8 188.3 0.4 0.0 -21 1733 No stop 01 34 00 --- 19 42 31 47.7 189.6 0.4 0.0 189 1760 01 30 31 01 34 40 J1905+0952 19 43 11 46.4 193.1 0.6 0.0 19 1760 01 34 40 01 36 30 =1903+097 19 45 02 46.3 193.7 0.6 0.0 110 1774 01 34 41 01 36 30 J1913+0932 19 45 02 46.2 190.9 0.5 0.0 -19 1774 No stop 01 39 00 --- 19 47 32 46.2 191.8 0.6 0.0 131 1793 01 36 31 01 39 00 J1905+0952 19 47 32 46.2 194.6 0.7 0.0 -20 1793 No stop 01 41 30 =1903+097 19 50 02 46.1 195.5 0.7 0.0 130 1812 01 39 01 01 42 00 J1800+3848 19 50 33 66.5 244.0 1.8 0.0 -79 1812 01 42 00 01 47 00 =1758+388 19 55 33 65.9 245.8 1.9 0.0 221 1851 01 42 01 01 49 00 J1905+0952 19 57 34 45.8 198.1 0.8 0.0 11 1851 01 49 00 01 51 30 =1903+097 20 00 04 45.7 199.0 0.9 0.0 150 1870 01 49 01 01 51 30 GRS1915 20 00 04 47.1 195.9 0.7 0.0 -21 1870 No stop 01 55 00 --- 20 03 35 47.0 197.2 0.8 0.0 189 1898 01 51 31 01 55 00 J1905+0952 20 03 35 45.5 200.2 0.9 0.0 -21 1898 No stop 01 57 30 =1903+097 20 06 05 45.3 201.1 1.0 0.0 129 1917 01 55 01 01 57 30 GRS1915 20 06 05 46.9 198.1 0.8 0.0 -21 1917 No stop 02 01 00 --- 20 09 36 46.7 199.3 0.9 0.0 189 1944 01 57 31 02 01 40 J1905+0952 20 10 16 45.1 202.5 1.1 0.0 19 1944 02 01 40 02 03 30 =1903+097 20 12 06 45.0 203.1 1.1 0.0 110 1958 02 01 41 Schedule for WSTRBORK (Code Wb ) 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 03 30 GRS1915 20 12 06 46.6 200.2 0.9 0.0 -21 1958 No stop 02 07 00 --- 20 15 37 46.4 201.4 1.0 0.0 189 1985 02 03 31 02 07 00 J1905+0952 20 15 37 44.8 204.3 1.1 0.0 -21 1985 No stop 02 09 30 =1903+097 20 18 07 44.6 205.1 1.2 0.0 129 2004 02 07 01 02 09 30 GRS1915 20 18 07 46.3 202.3 1.0 0.0 -21 2004 No stop 02 13 00 --- 20 21 38 46.1 203.5 1.1 0.0 189 2031 02 09 31 02 13 40 J1905+0952 20 22 18 44.4 206.5 1.3 0.0 19 2031 02 13 40 02 15 30 =1903+097 20 24 08 44.2 207.1 1.3 0.0 110 2046 02 13 41 02 15 30 GRS1915 20 24 08 45.9 204.3 1.1 0.0 -21 2046 No stop 02 19 00 --- 20 27 39 45.7 205.5 1.2 0.0 189 2073 02 15 31 02 19 00 J1905+0952 20 27 39 44.0 208.3 1.3 0.0 -21 2073 No stop 02 21 30 =1903+097 20 30 09 43.8 209.1 1.4 0.0 129 2092 02 19 01 02 21 30 GRS1915 20 30 09 45.5 206.4 1.2 0.0 -21 2092 No stop 02 25 00 --- 20 33 40 45.3 207.5 1.3 0.0 189 2119 02 21 31 02 25 40 J1905+0952 20 34 20 43.5 210.4 1.5 0.0 19 2119 02 25 40 02 27 30 =1903+097 20 36 10 43.4 211.0 1.5 0.0 110 2133 02 25 41 02 27 30 GRS1915 20 36 10 45.1 208.4 1.3 0.0 -21 2133 No stop 02 31 00 --- 20 39 41 44.8 209.5 1.4 0.0 189 2160 02 27 31 02 31 00 J1905+0952 20 39 41 43.1 212.2 1.5 0.0 -21 2160 No stop 02 33 30 =1903+097 20 42 11 42.9 213.0 1.6 0.0 129 2180 02 31 01 02 33 30 GRS1915 20 42 11 44.6 210.4 1.4 0.0 -21 2180 No stop 02 37 00 --- 20 45 42 44.4 211.5 1.5 0.0 189 2207 02 33 31 02 37 40 J1905+0952 20 46 22 42.5 214.3 1.7 0.0 19 2207 02 37 40 02 39 30 =1903+097 20 48 12 42.4 214.8 1.7 0.0 110 2221 02 37 41 02 39 30 GRS1915 20 48 12 44.2 212.3 1.5 0.0 -21 2221 No stop 02 43 00 --- 20 51 43 43.9 213.5 1.6 0.0 189 2248 02 39 31 02 43 00 J1905+0952 20 51 43 42.1 215.9 1.8 0.0 -21 2248 No stop 02 45 30 =1903+097 20 54 13 41.8 216.7 1.8 0.0 129 2267 02 43 01 02 45 30 J1913+0932 20 54 13 42.2 214.2 1.7 0.0 -19 2267 No stop 02 49 00 --- 20 57 44 41.9 215.3 1.7 0.0 191 2294 02 45 31 Schedule for WSTRBORK (Code Wb ) 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 50 00 J1905+0952 20 58 44 41.4 218.1 1.9 0.0 40 2294 02 50 00 02 52 30 =1903+097 21 01 14 41.2 218.9 1.9 0.0 150 2314 02 50 01 02 52 30 GRS1915 21 01 14 43.1 216.5 1.8 0.0 -21 2314 No stop 02 56 00 --- 21 04 45 42.7 217.6 1.8 0.0 189 2341 02 52 31 02 56 00 J1905+0952 21 04 45 40.9 219.9 2.0 0.0 -21 2341 No stop 02 58 30 =1903+097 21 07 15 40.6 220.7 2.0 0.0 129 2360 02 56 01 02 58 30 GRS1915 21 07 15 42.5 218.3 1.9 0.0 -21 2360 No stop 03 02 00 --- 21 10 46 42.2 219.4 1.9 0.0 189 2387 02 58 31 03 02 40 J1905+0952 21 11 26 40.2 221.9 2.1 0.0 19 2387 03 02 40 03 04 30 =1903+097 21 13 16 40.0 222.4 2.1 0.0 110 2401 03 02 41 03 04 30 GRS1915 21 13 16 41.9 220.2 2.0 0.0 -21 2401 No stop 03 08 00 --- 21 16 47 41.6 221.2 2.0 0.0 189 2428 03 04 31 03 08 00 J1905+0952 21 16 47 39.6 223.5 2.2 0.0 -21 2428 No stop 03 10 30 =1903+097 21 19 17 39.4 224.2 2.2 0.0 129 2448 03 08 01 03 10 30 GRS1915 21 19 17 41.3 222.0 2.1 0.0 -21 2448 No stop 03 14 00 --- 21 22 48 41.0 223.0 2.1 0.0 189 2475 03 10 31 03 14 40 J1905+0952 21 23 28 38.9 225.4 2.3 0.0 19 2475 03 14 40 03 16 30 =1903+097 21 25 18 38.7 225.9 2.3 0.0 110 2489 03 14 41 03 16 30 GRS1915 21 25 18 40.7 223.8 2.2 0.0 -21 2489 No stop 03 20 00 --- 21 28 49 40.4 224.8 2.2 0.0 189 2516 03 16 31 03 20 00 J1905+0952 21 28 49 38.4 226.9 2.4 0.0 -21 2516 No stop 03 22 30 =1903+097 21 31 19 38.1 227.6 2.4 0.0 129 2535 03 20 01 03 22 30 GRS1915 21 31 19 40.1 225.5 2.3 0.0 -21 2535 No stop 03 26 00 --- 21 34 50 39.7 226.5 2.3 0.0 189 2562 03 22 31 03 26 40 J1905+0952 21 35 30 37.6 228.8 2.5 0.0 19 2562 03 26 40 03 28 30 =1903+097 21 37 20 37.4 229.3 2.5 0.0 110 2576 03 26 41 03 28 30 GRS1915 21 37 20 39.4 227.2 2.4 0.0 -21 2576 No stop 03 32 00 --- 21 40 51 39.0 228.2 2.4 0.0 189 2603 03 28 31 03 32 00 J1905+0952 21 40 51 37.0 230.2 2.6 0.0 -21 2603 No stop 03 34 30 =1903+097 21 43 21 36.7 230.9 2.6 0.0 129 2623 03 32 01 Schedule for WSTRBORK (Code Wb ) 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 34 30 GRS1915 21 43 21 38.8 228.9 2.5 0.0 -21 2623 No stop 03 38 00 --- 21 46 52 38.4 229.9 2.5 0.0 189 2650 03 34 31 03 38 40 J1905+0952 21 47 32 36.2 232.0 2.7 0.0 19 2650 03 38 40 03 40 30 =1903+097 21 49 22 36.0 232.5 2.7 0.0 110 2664 03 38 41 03 40 30 GRS1915 21 49 22 38.1 230.6 2.6 0.0 -21 2664 No stop 03 44 00 --- 21 52 53 37.7 231.5 2.6 0.0 189 2691 03 40 31 03 44 00 J1905+0952 21 52 53 35.6 233.4 2.8 0.0 -21 2691 No stop 03 46 30 =1903+097 21 55 23 35.3 234.1 2.8 0.0 129 2710 03 44 01 03 46 30 J1913+0932 21 55 23 35.9 231.9 2.7 0.0 -19 2710 No stop 03 50 00 --- 21 58 54 35.5 232.8 2.7 0.0 191 2737 03 46 31 03 51 00 J1905+0952 21 59 54 34.7 235.3 2.9 0.0 40 2737 03 51 00 03 53 30 =1903+097 22 02 24 34.4 235.9 2.9 0.0 150 2757 03 51 01 03 53 30 GRS1915 22 02 24 36.5 234.1 2.8 0.0 -21 2757 No stop 03 57 00 --- 22 05 55 36.1 235.0 2.8 0.0 189 2784 03 53 31 03 57 00 J1905+0952 22 05 55 34.0 236.8 3.0 0.0 -21 2784 No stop 03 59 30 =1903+097 22 08 25 33.6 237.5 3.0 0.0 129 2803 03 57 01 03 59 30 GRS1915 22 08 25 35.8 235.7 2.9 0.0 -21 2803 No stop 04 03 00 --- 22 11 56 35.3 236.6 2.9 0.0 189 2830 03 59 31 04 03 40 J1905+0952 22 12 36 33.1 238.5 3.1 0.0 19 2830 04 03 40 04 05 30 =1903+097 22 14 26 32.9 239.0 3.1 0.0 110 2844 04 03 41 04 05 30 GRS1915 22 14 26 35.0 237.2 3.0 0.0 -21 2844 No stop 04 09 00 --- 22 17 57 34.6 238.1 3.0 0.0 189 2871 04 05 31 04 09 00 J1905+0952 22 17 57 32.4 239.8 3.2 0.0 -21 2871 No stop 04 11 30 =1903+097 22 20 27 32.1 240.5 3.2 0.0 129 2891 04 09 01 04 11 30 GRS1915 22 20 27 34.2 238.8 3.1 0.0 -21 2891 No stop 04 15 00 --- 22 23 58 33.8 239.7 3.1 0.0 189 2918 04 11 31 04 15 40 J1905+0952 22 24 38 31.5 241.5 3.3 0.0 19 2918 04 15 40 04 17 30 =1903+097 22 26 28 31.3 241.9 3.3 0.0 110 2932 04 15 41 04 17 30 GRS1915 22 26 28 33.5 240.3 3.2 0.0 -21 2932 No stop 04 21 00 --- 22 29 59 33.0 241.2 3.2 0.0 189 2959 04 17 31 Schedule for WSTRBORK (Code Wb ) 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 21 00 J1905+0952 22 29 59 30.8 242.8 3.4 0.0 -21 2959 No stop 04 23 30 =1903+097 22 32 29 30.5 243.4 3.4 0.0 129 2978 04 21 01 04 23 30 GRS1915 22 32 29 32.7 241.8 3.3 0.0 -21 2978 No stop 04 27 00 --- 22 36 00 32.2 242.6 3.3 0.0 189 3005 04 23 31 04 27 40 J1905+0952 22 36 40 29.9 244.4 3.5 0.0 19 3005 04 27 40 04 29 30 =1903+097 22 38 30 29.7 244.8 3.5 0.0 110 3020 04 27 41 04 29 30 GRS1915 22 38 30 31.9 243.2 3.4 0.0 -21 3020 No stop 04 33 00 --- 22 42 01 31.4 244.1 3.4 0.0 189 3047 04 29 31 04 33 00 J1905+0952 22 42 01 29.2 245.6 3.6 0.0 -21 3047 No stop 04 35 30 =1903+097 22 44 31 28.8 246.2 3.6 0.0 129 3066 04 33 01 04 35 30 GRS1915 22 44 31 31.1 244.7 3.5 0.0 -21 3066 No stop 04 39 00 --- 22 48 02 30.6 245.5 3.5 0.0 189 3093 04 35 31 04 39 40 J1905+0952 22 48 42 28.3 247.2 3.7 0.0 19 3093 04 39 40 04 41 30 =1903+097 22 50 32 28.0 247.6 3.7 0.0 110 3107 04 39 41 04 41 30 GRS1915 22 50 32 30.2 246.1 3.6 0.0 -21 3107 No stop 04 45 00 --- 22 54 03 29.7 246.9 3.6 0.0 189 3134 04 41 31 04 45 00 J1905+0952 22 54 03 27.5 248.4 3.8 0.0 -21 3134 No stop 04 47 30 =1903+097 22 56 33 27.2 249.0 3.8 0.0 129 3153 04 45 01 04 47 30 J1913+0932 22 56 33 28.0 247.0 3.7 0.0 -19 3153 No stop 04 51 00 --- 23 00 04 27.5 247.8 3.8 0.0 191 3181 04 47 31 04 52 00 J1905+0952 23 01 04 26.5 250.0 3.9 0.0 40 3181 04 52 00 04 54 30 =1903+097 23 03 34 26.2 250.6 3.9 0.0 150 3200 04 52 01 04 54 30 GRS1915 23 03 34 28.4 249.1 3.8 0.0 -21 3200 No stop 04 58 00 --- 23 07 05 27.9 249.9 3.8 0.0 189 3227 04 54 31 04 58 00 J1905+0952 23 07 05 25.7 251.4 4.0 0.0 -21 3227 No stop 05 00 30 =1903+097 23 09 35 25.3 251.9 4.0 0.0 129 3246 04 58 01 05 00 30 GRS1915 23 09 35 27.6 250.5 3.9 0.0 -21 3246 No stop 05 04 00 --- 23 13 06 27.1 251.3 3.9 0.0 189 3273 05 00 31 05 04 40 J1905+0952 23 13 46 24.7 252.8 4.1 0.0 19 3273 05 04 40 05 06 30 =1903+097 23 15 36 24.5 253.2 4.1 0.0 110 3287 05 04 41 Schedule for WSTRBORK (Code Wb ) 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 06 30 GRS1915 23 15 36 26.7 251.8 4.0 0.0 -21 3287 No stop 05 10 00 --- 23 19 07 26.2 252.6 4.0 0.0 189 3315 05 06 31 05 10 00 J1905+0952 23 19 07 23.9 254.0 4.2 0.0 -21 3315 No stop 05 12 30 =1903+097 23 21 37 23.6 254.6 4.2 0.0 129 3334 05 10 01 05 12 30 GRS1915 23 21 37 25.8 253.2 4.1 0.0 -21 3334 No stop 05 16 00 --- 23 25 08 25.3 253.9 4.1 0.0 189 3361 05 12 31 05 16 40 J1905+0952 23 25 48 23.0 255.5 4.3 0.0 19 3361 05 16 40 05 18 30 =1903+097 23 27 38 22.7 255.9 4.3 0.0 110 3375 05 16 41 05 18 30 J1913+0932 23 27 38 23.6 254.0 4.2 0.0 -19 3375 No stop 05 21 00 --- 23 30 09 23.2 254.5 4.3 0.0 131 3394 05 18 31 05 21 00 J1905+0952 23 30 09 22.3 256.4 4.4 0.0 -20 3394 No stop 05 23 30 =1903+097 23 32 39 22.0 256.9 4.4 0.0 130 3414 05 21 01 05 23 30 J2253+1608 23 32 39 52.6 195.0 0.6 0.0 -201 3414 No stop 05 30 00 =3C454.3 23 39 10 52.3 197.5 0.7 0.0 189 3464 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: 15 Station: WSTRBORK Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 2 Setup file default. Used with PCAL = off LO sum= 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 2 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * 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