COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: Probing the radio jets in GRS1915+105 in a new puzzling accretion state Exp. Code: EM144A Schedule Version: 2.50 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: S.E.Motta Address: INAF - Osservatorio Astronomico di Brera Via E. Bianchi 46, I-23807 Merate Italy Phone: +39 3339445713 EMAIL: sara.motta@inaf.it Fax: Phone during observation: +39 3339445713 Observing mode: EVN, 6 GHz continuum Notes: Target (phase ref): GRS 1915+105 (J1905+0952) Fringe finders: J1800+3848, J2253+1608 Check source: J1913+0932 Schedule for 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 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 12 30 00 J1800+3848 15 33 31 61.1 104.3 -2.5 0.0 0 0 12 30 00 12 35 00 =1758+388 15 38 32 61.9 105.7 -2.4 0.0 300 39 12 30 01 12 37 00 J1905+0952 15 40 32 30.5 116.5 -3.4 0.0 11 39 12 37 00 12 39 30 =1903+097 15 43 03 30.8 117.1 -3.4 0.0 150 58 12 37 01 12 39 30 GRS1915 15 43 03 30.4 114.2 -3.6 0.0 -21 58 No stop 12 43 00 --- 15 46 33 30.9 115.0 -3.5 0.0 189 85 12 39 31 12 43 00 J1905+0952 15 46 33 31.3 118.0 -3.3 0.0 -21 85 No stop 12 45 30 =1903+097 15 49 04 31.6 118.6 -3.3 0.0 129 104 12 43 01 12 45 30 GRS1915 15 49 04 31.2 115.6 -3.5 0.0 -21 104 No stop 12 49 00 --- 15 52 34 31.7 116.5 -3.4 0.0 189 131 12 45 31 12 49 40 J1905+0952 15 53 14 32.1 119.6 -3.2 0.0 19 131 12 49 40 12 51 30 =1903+097 15 55 05 32.4 120.1 -3.2 0.0 110 146 12 49 41 12 51 30 GRS1915 15 55 05 32.0 117.1 -3.4 0.0 -21 146 No stop 12 55 00 --- 15 58 35 32.5 117.9 -3.3 0.0 189 173 12 51 31 12 55 00 J1905+0952 15 58 35 32.8 121.0 -3.1 0.0 -21 173 No stop 12 57 30 =1903+097 16 01 06 33.2 121.6 -3.1 0.0 129 192 12 55 01 12 57 30 GRS1915 16 01 06 32.8 118.5 -3.3 0.0 -21 192 No stop 13 01 00 --- 16 04 36 33.3 119.4 -3.2 0.0 189 219 12 57 31 13 01 40 J1905+0952 16 05 16 33.7 122.6 -3.0 0.0 19 219 13 01 40 13 03 30 =1903+097 16 07 07 33.9 123.1 -3.0 0.0 110 233 13 01 41 13 03 30 GRS1915 16 07 07 33.6 120.0 -3.2 0.0 -21 233 No stop 13 07 00 --- 16 10 37 34.1 120.9 -3.1 0.0 189 260 13 03 31 13 07 00 J1905+0952 16 10 37 34.4 124.0 -2.9 0.0 -21 260 No stop 13 09 30 =1903+097 16 13 08 34.7 124.6 -2.9 0.0 129 280 13 07 01 13 09 30 GRS1915 16 13 08 34.4 121.5 -3.1 0.0 -21 280 No stop 13 13 00 --- 16 16 38 34.9 122.4 -3.0 0.0 189 307 13 09 31 13 13 40 J1905+0952 16 17 18 35.2 125.7 -2.8 0.0 19 307 13 13 40 13 15 30 =1903+097 16 19 09 35.4 126.2 -2.8 0.0 110 321 13 13 41 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 13 15 30 GRS1915 16 19 09 35.2 123.1 -3.0 0.0 -21 321 No stop 13 19 00 --- 16 22 39 35.6 124.0 -2.9 0.0 189 348 13 15 31 13 19 00 J1905+0952 16 22 39 35.8 127.1 -2.7 0.0 -21 348 No stop 13 21 30 =1903+097 16 25 10 36.1 127.8 -2.7 0.0 129 367 13 19 01 13 21 30 GRS1915 16 25 10 35.9 124.6 -2.8 0.0 -21 367 No stop 13 25 00 --- 16 28 40 36.4 125.6 -2.8 0.0 189 394 13 21 31 13 25 40 J1905+0952 16 29 20 36.6 128.9 -2.6 0.0 19 394 13 25 40 13 27 30 =1903+097 16 31 11 36.9 129.4 -2.6 0.0 110 408 13 25 41 13 27 30 J1913+0932 16 31 11 35.7 127.5 -2.7 0.0 -19 408 No stop 13 30 00 --- 16 33 41 36.0 128.2 -2.7 0.0 131 428 13 27 31 13 30 40 J1905+0952 16 34 21 37.2 130.3 -2.5 0.0 20 428 13 30 40 13 32 40 =1903+097 16 36 22 37.4 130.8 -2.5 0.0 120 443 13 30 41 13 32 40 GRS1915 16 36 22 37.3 127.6 -2.7 0.0 -21 443 No stop 13 36 10 --- 16 39 52 37.7 128.6 -2.6 0.0 189 470 13 32 41 13 36 10 J1905+0952 16 39 52 37.8 131.8 -2.4 0.0 -21 470 No stop 13 38 40 =1903+097 16 42 23 38.1 132.5 -2.4 0.0 129 490 13 36 11 13 38 40 GRS1915 16 42 23 38.0 129.2 -2.6 0.0 -21 490 No stop 13 42 10 --- 16 45 53 38.4 130.2 -2.5 0.0 189 517 13 38 41 13 42 50 J1905+0952 16 46 33 38.6 133.7 -2.3 0.0 19 517 13 42 50 13 44 40 =1903+097 16 48 24 38.8 134.2 -2.3 0.0 110 531 13 42 51 13 44 40 GRS1915 16 48 24 38.7 130.9 -2.5 0.0 -21 531 No stop 13 48 10 --- 16 51 54 39.1 131.9 -2.4 0.0 189 558 13 44 41 13 48 10 J1905+0952 16 51 54 39.2 135.2 -2.2 0.0 -21 558 No stop 13 50 40 =1903+097 16 54 25 39.4 135.9 -2.2 0.0 129 577 13 48 11 13 50 40 GRS1915 16 54 25 39.4 132.6 -2.4 0.0 -21 577 No stop 13 54 10 --- 16 57 55 39.8 133.6 -2.3 0.0 189 604 13 50 41 13 54 50 J1905+0952 16 58 35 39.9 137.1 -2.1 0.0 19 604 13 54 50 13 56 40 =1903+097 17 00 25 40.0 137.7 -2.1 0.0 110 618 13 54 51 13 56 40 GRS1915 17 00 25 40.0 134.3 -2.3 0.0 -21 618 No stop 14 00 10 --- 17 03 56 40.4 135.3 -2.2 0.0 189 645 13 56 41 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 14 00 10 J1905+0952 17 03 56 40.4 138.7 -2.0 0.0 -21 645 No stop 14 02 40 =1903+097 17 06 26 40.6 139.5 -2.0 0.0 129 665 14 00 11 14 02 40 GRS1915 17 06 26 40.7 136.1 -2.2 0.0 -21 665 No stop 14 06 10 --- 17 09 57 41.0 137.1 -2.1 0.0 189 692 14 02 41 14 06 50 J1905+0952 17 10 37 41.1 140.7 -1.9 0.0 19 692 14 06 50 14 08 40 =1903+097 17 12 27 41.2 141.3 -1.9 0.0 110 706 14 06 51 14 08 40 GRS1915 17 12 27 41.3 137.8 -2.1 0.0 -21 706 No stop 14 12 10 --- 17 15 58 41.6 138.9 -2.0 0.0 189 733 14 08 41 14 12 10 J1905+0952 17 15 58 41.6 142.3 -1.8 0.0 -21 733 No stop 14 14 40 =1903+097 17 18 28 41.8 143.1 -1.8 0.0 129 752 14 12 11 14 14 40 GRS1915 17 18 28 41.9 139.6 -2.0 0.0 -21 752 No stop 14 18 10 --- 17 21 59 42.2 140.7 -1.9 0.0 189 779 14 14 41 14 18 50 J1905+0952 17 22 39 42.2 144.4 -1.7 0.0 19 779 14 18 50 14 20 40 =1903+097 17 24 29 42.3 145.0 -1.7 0.0 110 794 14 18 51 14 20 40 J1913+0932 17 24 29 41.3 142.7 -1.8 0.0 -19 794 No stop 14 23 10 --- 17 27 00 41.6 143.5 -1.8 0.0 131 813 14 20 41 14 23 50 J1905+0952 17 27 40 42.6 145.9 -1.6 0.0 20 813 14 23 50 14 25 50 =1903+097 17 29 40 42.8 146.6 -1.6 0.0 120 828 14 23 51 14 25 50 GRS1915 17 29 40 42.9 143.1 -1.8 0.0 -21 828 No stop 14 29 20 --- 17 33 11 43.3 144.2 -1.7 0.0 189 855 14 25 51 14 29 20 J1905+0952 17 33 11 43.0 147.7 -1.6 0.0 -21 855 No stop 14 31 50 =1903+097 17 35 41 43.2 148.5 -1.5 0.0 129 875 14 29 21 14 31 50 GRS1915 17 35 41 43.5 145.0 -1.7 0.0 -21 875 No stop 14 35 20 --- 17 39 12 43.8 146.1 -1.6 0.0 189 902 14 31 51 14 36 00 J1905+0952 17 39 52 43.6 149.8 -1.4 0.0 19 902 14 36 00 14 37 50 =1903+097 17 41 42 43.7 150.4 -1.4 0.0 110 916 14 36 01 14 37 50 GRS1915 17 41 42 44.0 146.9 -1.6 0.0 -21 916 No stop 14 41 20 --- 17 45 13 44.3 148.0 -1.5 0.0 189 943 14 37 51 14 41 20 J1905+0952 17 45 13 44.0 151.6 -1.4 0.0 -21 943 No stop 14 43 50 =1903+097 17 47 43 44.1 152.4 -1.3 0.0 129 962 14 41 21 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 14 43 50 GRS1915 17 47 43 44.5 148.8 -1.5 0.0 -21 962 No stop 14 47 20 --- 17 51 14 44.7 150.0 -1.4 0.0 189 989 14 43 51 14 48 00 J1905+0952 17 51 54 44.4 153.8 -1.2 0.0 19 989 14 48 00 14 49 50 =1903+097 17 53 44 44.5 154.4 -1.2 0.0 110 1004 14 48 01 14 49 50 GRS1915 17 53 44 44.9 150.8 -1.4 0.0 -21 1004 No stop 14 53 20 --- 17 57 15 45.2 152.0 -1.3 0.0 189 1031 14 49 51 14 53 20 J1905+0952 17 57 15 44.8 155.6 -1.2 0.0 -21 1031 No stop 14 55 50 =1903+097 17 59 45 44.9 156.4 -1.1 0.0 129 1050 14 53 21 14 55 50 GRS1915 17 59 45 45.3 152.8 -1.3 0.0 -21 1050 No stop 14 59 20 --- 18 03 16 45.6 154.0 -1.2 0.0 189 1077 14 55 51 15 00 00 J1905+0952 18 03 56 45.2 157.8 -1.0 0.0 19 1077 15 00 00 15 01 50 =1903+097 18 05 46 45.3 158.4 -1.0 0.0 110 1091 15 00 01 15 01 50 GRS1915 18 05 46 45.7 154.8 -1.2 0.0 -21 1091 No stop 15 05 20 --- 18 09 17 46.0 156.0 -1.1 0.0 189 1118 15 01 51 15 05 20 J1905+0952 18 09 17 45.5 159.6 -1.0 0.0 -21 1118 No stop 15 07 50 =1903+097 18 11 47 45.6 160.5 -0.9 0.0 129 1137 15 05 21 15 07 50 GRS1915 18 11 47 46.1 156.9 -1.1 0.0 -21 1137 No stop 15 11 20 --- 18 15 18 46.3 158.1 -1.0 0.0 189 1165 15 07 51 15 12 00 J1905+0952 18 15 58 45.8 162.0 -0.8 0.0 19 1165 15 12 00 15 13 50 =1903+097 18 17 48 45.9 162.6 -0.8 0.0 110 1179 15 12 01 15 13 50 J1913+0932 18 17 48 45.2 160.0 -0.9 0.0 -19 1179 No stop 15 16 20 --- 18 20 19 45.3 160.9 -0.9 0.0 131 1198 15 13 51 15 17 00 J1905+0952 18 20 59 46.0 163.7 -0.8 0.0 20 1198 15 17 00 15 19 00 =1903+097 18 22 59 46.1 164.4 -0.7 0.0 120 1213 15 17 01 15 19 00 GRS1915 18 22 59 46.7 160.8 -0.9 0.0 -21 1213 No stop 15 22 30 --- 18 26 30 46.9 162.0 -0.8 0.0 189 1241 15 19 01 15 22 30 J1905+0952 18 26 30 46.2 165.6 -0.7 0.0 -21 1241 No stop 15 25 00 =1903+097 18 29 00 46.3 166.5 -0.6 0.0 129 1260 15 22 31 15 25 00 GRS1915 18 29 00 47.0 162.9 -0.8 0.0 -21 1260 No stop 15 28 30 --- 18 32 31 47.2 164.1 -0.7 0.0 189 1287 15 25 01 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 15 29 10 J1905+0952 18 33 11 46.5 168.0 -0.6 0.0 19 1287 15 29 10 15 31 00 =1903+097 18 35 01 46.5 168.6 -0.5 0.0 110 1301 15 29 11 15 31 00 GRS1915 18 35 01 47.3 165.0 -0.7 0.0 -21 1301 No stop 15 34 30 --- 18 38 32 47.4 166.3 -0.6 0.0 189 1328 15 31 01 15 34 30 J1905+0952 18 38 32 46.6 169.9 -0.5 0.0 -21 1328 No stop 15 37 00 =1903+097 18 41 02 46.7 170.8 -0.4 0.0 129 1347 15 34 31 15 37 00 GRS1915 18 41 02 47.5 167.2 -0.6 0.0 -21 1347 No stop 15 40 30 --- 18 44 33 47.6 168.5 -0.5 0.0 189 1375 15 37 01 15 41 10 J1905+0952 18 45 13 46.8 172.3 -0.4 0.0 19 1375 15 41 10 15 43 00 =1903+097 18 47 03 46.8 172.9 -0.3 0.0 110 1389 15 41 11 15 43 00 GRS1915 18 47 03 47.7 169.4 -0.5 0.0 -21 1389 No stop 15 46 30 --- 18 50 34 47.8 170.6 -0.4 0.0 189 1416 15 43 01 15 46 30 J1905+0952 18 50 34 46.9 174.2 -0.3 0.0 -21 1416 No stop 15 49 00 =1903+097 18 53 04 46.9 175.1 -0.2 0.0 129 1435 15 46 31 15 49 00 GRS1915 18 53 04 47.8 171.5 -0.4 0.0 -21 1435 No stop 15 52 30 --- 18 56 35 47.9 172.8 -0.3 0.0 189 1462 15 49 01 15 53 10 J1905+0952 18 57 15 46.9 176.6 -0.2 0.0 19 1462 15 53 10 15 55 00 =1903+097 18 59 05 47.0 177.3 -0.1 0.0 110 1476 15 53 11 15 55 00 GRS1915 18 59 05 47.9 173.7 -0.3 0.0 -21 1476 No stop 15 58 30 --- 19 02 36 48.0 175.0 -0.2 0.0 189 1503 15 55 01 15 58 30 J1905+0952 19 02 36 47.0 178.5 -0.1 0.0 -21 1503 No stop 16 01 00 =1903+097 19 05 06 47.0 179.4 -0.0 0.0 129 1523 15 58 31 16 01 00 GRS1915 19 05 06 48.0 175.9 -0.2 0.0 -21 1523 No stop 16 04 30 --- 19 08 36 48.0 177.2 -0.1 0.0 189 1550 16 01 01 16 05 10 J1905+0952 19 09 17 47.0 181.0 0.0 0.0 19 1550 16 05 10 16 07 00 =1903+097 19 11 07 47.0 181.6 0.1 0.0 110 1564 16 05 11 16 07 00 J1913+0932 19 11 07 46.7 178.8 -0.1 0.0 -19 1564 No stop 16 09 30 --- 19 13 37 46.7 179.7 -0.0 0.0 131 1583 16 07 01 16 10 00 J1800+3848 19 14 07 71.1 229.0 1.2 0.0 -80 1583 16 10 00 16 15 00 =1758+388 19 19 08 70.5 231.4 1.3 0.0 220 1622 16 10 01 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 16 15 40 J1905+0952 19 19 48 46.9 184.8 0.2 0.0 -69 1622 16 15 40 16 17 40 =1903+097 19 21 49 46.9 185.5 0.3 0.0 51 1637 16 15 41 16 17 40 GRS1915 19 21 49 48.1 182.1 0.1 0.0 -21 1637 No stop 16 21 10 --- 19 25 19 48.0 183.4 0.2 0.0 189 1664 16 17 41 16 21 10 J1905+0952 19 25 19 46.8 186.7 0.3 0.0 -21 1664 No stop 16 23 40 =1903+097 19 27 50 46.8 187.6 0.4 0.0 129 1684 16 21 11 16 23 40 GRS1915 19 27 50 48.0 184.3 0.2 0.0 -21 1684 No stop 16 27 10 --- 19 31 20 48.0 185.6 0.3 0.0 189 1711 16 23 41 16 27 50 J1905+0952 19 32 00 46.7 189.1 0.4 0.0 19 1711 16 27 50 16 29 40 =1903+097 19 33 51 46.6 189.8 0.5 0.0 110 1725 16 27 51 16 29 40 GRS1915 19 33 51 47.9 186.5 0.3 0.0 -21 1725 No stop 16 33 10 --- 19 37 21 47.9 187.8 0.4 0.0 189 1752 16 29 41 16 33 10 J1905+0952 19 37 21 46.5 191.0 0.5 0.0 -21 1752 No stop 16 35 40 =1903+097 19 39 52 46.5 191.9 0.6 0.0 129 1771 16 33 11 16 35 40 GRS1915 19 39 52 47.8 188.7 0.4 0.0 -21 1771 No stop 16 39 10 --- 19 43 22 47.7 190.0 0.5 0.0 189 1798 16 35 41 16 39 50 J1905+0952 19 44 02 46.3 193.4 0.6 0.0 19 1798 16 39 50 16 41 40 =1903+097 19 45 53 46.3 194.1 0.7 0.0 110 1812 16 39 51 16 41 40 GRS1915 19 45 53 47.6 190.9 0.5 0.0 -21 1812 No stop 16 45 10 --- 19 49 23 47.5 192.1 0.6 0.0 189 1840 16 41 41 16 45 10 J1905+0952 19 49 23 46.1 195.3 0.7 0.0 -21 1840 No stop 16 47 40 =1903+097 19 51 54 46.0 196.2 0.8 0.0 129 1859 16 45 11 16 47 40 GRS1915 19 51 54 47.5 193.0 0.6 0.0 -21 1859 No stop 16 51 10 --- 19 55 24 47.3 194.3 0.7 0.0 189 1886 16 47 41 16 51 50 J1905+0952 19 56 04 45.8 197.6 0.8 0.0 19 1886 16 51 50 16 53 40 =1903+097 19 57 55 45.8 198.3 0.9 0.0 110 1900 16 51 51 16 53 40 GRS1915 19 57 55 47.2 195.2 0.7 0.0 -21 1900 No stop 16 57 10 --- 20 01 25 47.1 196.4 0.8 0.0 189 1927 16 53 41 16 57 10 J1905+0952 20 01 25 45.6 199.5 0.9 0.0 -21 1927 No stop 16 59 40 =1903+097 20 03 56 45.5 200.3 1.0 0.0 129 1946 16 57 11 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 16 59 40 GRS1915 20 03 56 47.0 197.3 0.8 0.0 -21 1946 No stop 17 03 10 --- 20 07 26 46.8 198.6 0.9 0.0 189 1974 16 59 41 17 03 50 J1905+0952 20 08 06 45.2 201.8 1.0 0.0 19 1974 17 03 50 17 05 40 =1903+097 20 09 57 45.1 202.4 1.1 0.0 110 1988 17 03 51 17 05 40 J1913+0932 20 09 57 45.2 199.6 0.9 0.0 -19 1988 No stop 17 08 10 --- 20 12 27 45.1 200.5 1.0 0.0 131 2007 17 05 41 17 08 50 J1905+0952 20 13 07 44.9 203.5 1.1 0.0 20 2007 17 08 50 17 10 50 =1903+097 20 15 07 44.8 204.1 1.1 0.0 120 2022 17 08 51 17 10 50 GRS1915 20 15 07 46.4 201.2 1.0 0.0 -21 2022 No stop 17 14 20 --- 20 18 38 46.2 202.5 1.0 0.0 189 2050 17 10 51 17 14 20 J1905+0952 20 18 38 44.6 205.3 1.2 0.0 -21 2050 No stop 17 16 50 =1903+097 20 21 08 44.4 206.1 1.2 0.0 129 2069 17 14 21 17 16 50 GRS1915 20 21 08 46.1 203.3 1.1 0.0 -21 2069 No stop 17 20 20 --- 20 24 39 45.9 204.5 1.1 0.0 189 2096 17 16 51 17 21 00 J1905+0952 20 25 19 44.2 207.5 1.3 0.0 19 2096 17 21 00 17 22 50 =1903+097 20 27 09 44.0 208.1 1.3 0.0 110 2110 17 21 01 17 22 50 GRS1915 20 27 09 45.7 205.4 1.2 0.0 -21 2110 No stop 17 26 20 --- 20 30 40 45.5 206.6 1.2 0.0 189 2137 17 22 51 17 26 20 J1905+0952 20 30 40 43.8 209.3 1.4 0.0 -21 2137 No stop 17 28 50 =1903+097 20 33 10 43.6 210.1 1.4 0.0 129 2156 17 26 21 17 28 50 GRS1915 20 33 10 45.3 207.4 1.3 0.0 -21 2156 No stop 17 32 20 --- 20 36 41 45.1 208.6 1.3 0.0 189 2183 17 28 51 17 33 00 J1905+0952 20 37 21 43.3 211.4 1.5 0.0 19 2183 17 33 00 17 34 50 =1903+097 20 39 11 43.1 212.0 1.5 0.0 110 2198 17 33 01 17 34 50 GRS1915 20 39 11 44.9 209.4 1.4 0.0 -21 2198 No stop 17 38 20 --- 20 42 42 44.6 210.6 1.4 0.0 189 2225 17 34 51 17 38 20 J1905+0952 20 42 42 42.8 213.1 1.6 0.0 -21 2225 No stop 17 40 50 =1903+097 20 45 12 42.6 213.9 1.6 0.0 129 2244 17 38 21 17 40 50 GRS1915 20 45 12 44.4 211.4 1.5 0.0 -21 2244 No stop 17 44 20 --- 20 48 43 44.1 212.5 1.5 0.0 189 2271 17 40 51 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 17 45 00 J1905+0952 20 49 23 42.3 215.2 1.7 0.0 19 2271 17 45 00 17 46 50 =1903+097 20 51 13 42.1 215.8 1.7 0.0 110 2285 17 45 01 17 46 50 GRS1915 20 51 13 43.9 213.3 1.6 0.0 -21 2285 No stop 17 50 20 --- 20 54 44 43.6 214.4 1.6 0.0 189 2312 17 46 51 17 50 20 J1905+0952 20 54 44 41.8 216.9 1.8 0.0 -21 2312 No stop 17 52 50 =1903+097 20 57 14 41.6 217.7 1.8 0.0 129 2332 17 50 21 17 52 50 GRS1915 20 57 14 43.4 215.2 1.7 0.0 -21 2332 No stop 17 56 20 --- 21 00 45 43.1 216.3 1.7 0.0 189 2359 17 52 51 17 57 00 J1905+0952 21 01 25 41.2 218.9 1.9 0.0 19 2359 17 57 00 17 58 50 =1903+097 21 03 15 41.0 219.5 1.9 0.0 110 2373 17 57 01 17 58 50 J1913+0932 21 03 15 41.4 217.0 1.8 0.0 -19 2373 No stop 18 01 20 --- 21 05 46 41.2 217.7 1.9 0.0 131 2392 17 58 51 18 02 00 J1905+0952 21 06 26 40.7 220.4 2.0 0.0 20 2392 18 02 00 18 04 00 =1903+097 21 08 26 40.5 221.0 2.0 0.0 120 2408 18 02 01 18 04 00 GRS1915 21 08 26 42.4 218.7 1.9 0.0 -21 2408 No stop 18 07 30 --- 21 11 57 42.1 219.8 1.9 0.0 189 2435 18 04 01 18 07 30 J1905+0952 21 11 57 40.1 222.1 2.1 0.0 -21 2435 No stop 18 10 00 =1903+097 21 14 27 39.9 222.8 2.1 0.0 129 2454 18 07 31 18 10 00 GRS1915 21 14 27 41.8 220.6 2.0 0.0 -21 2454 No stop 18 13 30 --- 21 17 58 41.5 221.6 2.0 0.0 189 2481 18 10 01 18 14 10 J1905+0952 21 18 38 39.4 224.0 2.2 0.0 19 2481 18 14 10 18 16 10 =1903+097 21 20 38 39.2 224.6 2.2 0.0 120 2497 18 14 11 18 16 10 GRS1915 21 20 38 41.2 222.4 2.1 0.0 -21 2497 No stop 18 19 40 --- 21 24 09 40.8 223.4 2.1 0.0 189 2524 18 16 11 18 19 40 J1905+0952 21 24 09 38.9 225.6 2.3 0.0 -21 2524 No stop 18 22 10 =1903+097 21 26 39 38.6 226.3 2.3 0.0 129 2543 18 19 41 18 22 10 GRS1915 21 26 39 40.6 224.2 2.2 0.0 -21 2543 No stop 18 25 40 --- 21 30 10 40.2 225.2 2.2 0.0 189 2570 18 22 11 18 26 20 J1905+0952 21 30 50 38.1 227.5 2.4 0.0 19 2570 18 26 20 18 28 20 =1903+097 21 32 50 37.9 228.0 2.4 0.0 120 2585 18 26 21 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 18 28 20 GRS1915 21 32 50 39.9 226.0 2.3 0.0 -21 2585 No stop 18 31 50 --- 21 36 21 39.5 227.0 2.3 0.0 189 2612 18 28 21 18 31 50 J1905+0952 21 36 21 37.5 229.0 2.5 0.0 -21 2612 No stop 18 34 20 =1903+097 21 38 51 37.2 229.7 2.5 0.0 129 2632 18 31 51 18 34 20 GRS1915 21 38 51 39.3 227.7 2.4 0.0 -21 2632 No stop 18 37 50 --- 21 42 22 38.9 228.7 2.4 0.0 189 2659 18 34 21 18 38 30 J1905+0952 21 43 02 36.7 230.8 2.6 0.0 19 2659 18 38 30 18 40 30 =1903+097 21 45 02 36.5 231.4 2.6 0.0 120 2674 18 38 31 18 40 30 GRS1915 21 45 02 38.6 229.4 2.5 0.0 -21 2674 No stop 18 44 00 --- 21 48 33 38.2 230.4 2.5 0.0 189 2701 18 40 31 18 44 00 J1905+0952 21 48 33 36.1 232.3 2.7 0.0 -21 2701 No stop 18 46 30 =1903+097 21 51 03 35.8 233.0 2.7 0.0 129 2721 18 44 01 18 46 30 GRS1915 21 51 03 37.9 231.1 2.6 0.0 -21 2721 No stop 18 50 00 --- 21 54 34 37.5 232.0 2.6 0.0 189 2748 18 46 31 18 50 40 J1905+0952 21 55 14 35.3 234.1 2.8 0.0 19 2748 18 50 40 18 52 40 =1903+097 21 57 14 35.0 234.6 2.8 0.0 120 2763 18 50 41 18 52 40 J1913+0932 21 57 14 35.7 232.4 2.7 0.0 -19 2763 No stop 18 55 10 --- 21 59 45 35.4 233.0 2.8 0.0 131 2782 18 52 41 18 55 50 J1905+0952 22 00 25 34.6 235.4 2.9 0.0 20 2782 18 55 50 18 57 50 =1903+097 22 02 25 34.4 235.9 2.9 0.0 120 2798 18 55 51 18 57 50 GRS1915 22 02 25 36.5 234.1 2.8 0.0 -21 2798 No stop 19 01 20 --- 22 05 56 36.1 235.1 2.8 0.0 189 2825 18 57 51 19 01 20 J1905+0952 22 05 56 34.0 236.8 3.0 0.0 -21 2825 No stop 19 03 50 =1903+097 22 08 26 33.6 237.5 3.0 0.0 129 2844 19 01 21 19 03 50 GRS1915 22 08 26 35.8 235.7 2.9 0.0 -21 2844 No stop 19 07 20 --- 22 11 57 35.3 236.6 2.9 0.0 189 2871 19 03 51 19 08 00 J1905+0952 22 12 37 33.1 238.5 3.1 0.0 19 2871 19 08 00 19 10 00 =1903+097 22 14 37 32.8 239.0 3.1 0.0 120 2887 19 08 01 19 10 00 GRS1915 22 14 37 35.0 237.3 3.0 0.0 -21 2887 No stop 19 13 30 --- 22 18 08 34.5 238.2 3.0 0.0 189 2914 19 10 01 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 19 13 30 J1905+0952 22 18 08 32.4 239.9 3.2 0.0 -21 2914 No stop 19 16 00 =1903+097 22 20 38 32.1 240.5 3.2 0.0 129 2933 19 13 31 19 16 00 GRS1915 22 20 38 34.2 238.8 3.1 0.0 -21 2933 No stop 19 19 30 --- 22 24 09 33.8 239.7 3.1 0.0 189 2960 19 16 01 19 20 10 J1905+0952 22 24 49 31.5 241.5 3.3 0.0 19 2960 19 20 10 19 22 10 =1903+097 22 26 49 31.2 242.0 3.3 0.0 120 2976 19 20 11 19 22 10 GRS1915 22 26 49 33.4 240.4 3.2 0.0 -21 2976 No stop 19 25 40 --- 22 30 20 32.9 241.3 3.2 0.0 189 3003 19 22 11 19 25 40 J1905+0952 22 30 20 30.8 242.9 3.4 0.0 -21 3003 No stop 19 28 10 =1903+097 22 32 50 30.4 243.5 3.4 0.0 129 3022 19 25 41 19 28 10 GRS1915 22 32 50 32.6 241.9 3.3 0.0 -21 3022 No stop 19 31 40 --- 22 36 21 32.1 242.7 3.3 0.0 189 3049 19 28 11 19 32 20 J1905+0952 22 37 01 29.9 244.5 3.5 0.0 19 3049 19 32 20 19 34 20 =1903+097 22 39 01 29.6 244.9 3.5 0.0 120 3065 19 32 21 19 34 20 J1913+0932 22 39 01 30.4 242.9 3.4 0.0 -19 3065 No stop 19 36 50 --- 22 41 31 30.0 243.5 3.5 0.0 131 3084 19 34 21 19 37 30 J1905+0952 22 42 11 29.2 245.7 3.6 0.0 20 3084 19 37 30 19 39 30 =1903+097 22 44 12 28.9 246.2 3.6 0.0 120 3099 19 37 31 19 39 30 GRS1915 22 44 12 31.1 244.6 3.5 0.0 -21 3099 No stop 19 43 00 --- 22 47 42 30.6 245.4 3.5 0.0 189 3126 19 39 31 19 43 00 J1905+0952 22 47 42 28.4 247.0 3.7 0.0 -21 3126 No stop 19 45 30 =1903+097 22 50 13 28.1 247.6 3.7 0.0 129 3146 19 43 01 19 45 30 GRS1915 22 50 13 30.3 246.0 3.6 0.0 -21 3146 No stop 19 49 00 --- 22 53 43 29.8 246.9 3.6 0.0 189 3173 19 45 31 19 49 40 J1905+0952 22 54 23 27.5 248.5 3.8 0.0 19 3173 19 49 40 19 51 40 =1903+097 22 56 24 27.2 249.0 3.8 0.0 120 3188 19 49 41 19 51 40 GRS1915 22 56 24 29.4 247.5 3.7 0.0 -21 3188 No stop 19 55 10 --- 22 59 54 28.9 248.3 3.7 0.0 189 3215 19 51 41 19 55 10 J1905+0952 22 59 54 26.7 249.8 3.9 0.0 -21 3215 No stop 19 57 40 =1903+097 23 02 25 26.3 250.3 3.9 0.0 129 3235 19 55 11 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 ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 19 57 40 GRS1915 23 02 25 28.6 248.9 3.8 0.0 -21 3235 No stop 20 01 10 --- 23 05 55 28.1 249.7 3.8 0.0 189 3262 19 57 41 20 01 50 J1905+0952 23 06 35 25.7 251.3 4.0 0.0 19 3262 20 01 50 20 03 50 =1903+097 23 08 36 25.5 251.7 4.0 0.0 120 3277 20 01 51 20 03 50 GRS1915 23 08 36 27.7 250.3 3.9 0.0 -21 3277 No stop 20 07 20 --- 23 12 06 27.2 251.1 3.9 0.0 189 3304 20 03 51 20 07 20 J1905+0952 23 12 06 25.0 252.5 4.1 0.0 -21 3304 No stop 20 09 50 =1903+097 23 14 37 24.6 253.0 4.1 0.0 129 3324 20 07 21 20 09 50 GRS1915 23 14 37 26.8 251.6 4.0 0.0 -21 3324 No stop 20 13 20 --- 23 18 07 26.3 252.4 4.0 0.0 189 3351 20 09 51 20 14 00 J1905+0952 23 18 47 24.0 254.0 4.2 0.0 19 3351 20 14 00 20 16 00 =1903+097 23 20 48 23.7 254.4 4.2 0.0 120 3366 20 14 01 20 16 00 J1913+0932 23 20 48 24.6 252.5 4.1 0.0 -19 3366 No stop 20 18 30 --- 23 23 18 24.2 253.0 4.1 0.0 131 3385 20 16 01 20 19 10 J1905+0952 23 23 58 23.2 255.1 4.3 0.0 20 3385 20 19 10 20 22 40 =1903+097 23 27 29 22.7 255.8 4.3 0.0 210 3412 20 19 11 20 24 00 J2253+1608 23 28 49 52.7 193.5 0.6 0.0 -121 3412 20 24 00 20 30 00 =3C454.3 23 34 50 52.5 195.8 0.7 0.0 239 3459 20 24 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess320.C2048 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 14 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 08.946282 0.00 GRS1915+105 10 51 26.57111 * 10 56 44.62477 10 59 05.89093 0.00 From catalog imbedded in main SCHED input file. * J1913+0932 19 11 00.869981 * 19 13 24.025348 19 14 22.061653 0.00 09 27 34.81592 * 09 32 45.37648 09 35 03.19161 0.00 From catalog imbedded in main SCHED input file. 1758+388 17 58 44.703954 * 18 00 24.765363 18 01 04.600553 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69748 38 48 44.84096 0.01 J1800+38 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 5095 observations. 1903+097 19 03 17.231910 * 19 05 39.898972 19 06 37.696026 0.13 * J1905+0952 09 47 30.15815 * 09 52 08.40750 09 54 13.05426 0.22 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 104 observations. 3C454.3 22 51 29.519739 * 22 53 57.747939 22 54 59.130379 0.65 * J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 37.30815 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline GRS1915 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 3.967 475.462 J1913+0932 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.375 40.584 J1800+3848 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.167 21.144 J1905+0952 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 2.850 343.015 J2253+1608 sess320.C2048 1 2 3 4 5 7 8 9 10 11 14 0.100 9.530 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) GRS1915 77.2 J1913+0932 76.4 J1800+3848 73.6 J1905+0952 74.7 J2253+1608 130.3 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg