COVER INFORMATION Station: EFLSBERG (Code Ef ) Experiment: Probing the radio jets in GRS1915+105 in a new puzzling accretion state Exp. Code: EM144B Schedule Version: 2.40 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: S.E.Motta Address: INAF - Osservatorio Astronomico di Brera Via E. Bianchi 46, I-23807 Merate Italy Phone: +39 3339445713 EMAIL: sara.motta@inaf.it Fax: Phone during observation: +39 3339445713 Observing mode: EVN, 6 GHz continuum Notes: Target (phase ref): GRS 1915+105 (J1905+0952) Fringe finders: J1800+3848, J2253+1608 Check source: J1913+0932 Schedule for EFLSBERG (Code Ef ) Page 2 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 730.49 730.49 730.49 730.49 794.49 794.49 794.49 794.49 858.49 858.49 858.49 858.49 922.49 922.49 922.49 922.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 04 00 00 J1800+3848 15 20 03 59.5 96.9 -2.7 -54.1 0 0 04 00 00 04 05 00 =1758+388 15 25 04 60.3 98.0 -2.6 -53.9 300 77 04 00 01 04 07 00 J1905+0952 15 27 04 29.5 112.1 -3.7 -36.7 -33 77 04 07 00 04 09 30 =1903+097 15 29 35 29.9 112.7 -3.6 -36.5 117 116 04 07 01 04 09 30 GRS1915 15 29 35 29.4 109.8 -3.8 -37.5 -41 116 No stop 04 13 00 --- 15 33 05 29.9 110.6 -3.7 -37.3 169 170 04 09 31 04 13 00 J1905+0952 15 33 05 30.4 113.5 -3.6 -36.3 -42 170 No stop 04 15 30 =1903+097 15 35 36 30.8 114.1 -3.5 -36.1 108 209 04 13 01 04 15 30 GRS1915 15 35 36 30.2 111.2 -3.7 -37.1 -41 209 No stop 04 19 00 --- 15 39 06 30.8 112.0 -3.6 -36.9 169 263 04 15 31 04 19 40 J1905+0952 15 39 46 31.4 115.1 -3.4 -35.8 -2 263 04 19 40 04 21 30 =1903+097 15 41 37 31.6 115.5 -3.4 -35.6 108 291 04 19 41 04 21 30 GRS1915 15 41 37 31.1 112.5 -3.6 -36.7 -41 291 No stop 04 25 00 --- 15 45 07 31.6 113.4 -3.5 -36.5 169 345 04 21 31 04 25 00 J1905+0952 15 45 07 32.1 116.3 -3.4 -35.3 -42 345 No stop 04 27 30 =1903+097 15 47 38 32.5 116.9 -3.3 -35.1 108 384 04 25 01 04 27 30 GRS1915 15 47 38 32.0 113.9 -3.5 -36.3 -41 384 No stop 04 31 00 --- 15 51 08 32.5 114.8 -3.4 -36.0 169 438 04 27 31 04 31 40 J1905+0952 15 51 48 33.1 117.9 -3.2 -34.8 -2 438 04 31 40 04 33 30 =1903+097 15 53 38 33.3 118.4 -3.2 -34.6 108 466 04 31 41 04 33 30 GRS1915 15 53 38 32.9 115.4 -3.4 -35.8 -41 466 No stop 04 37 00 --- 15 57 09 33.4 116.2 -3.3 -35.5 169 520 04 33 31 04 37 00 J1905+0952 15 57 09 33.8 119.2 -3.2 -34.3 -42 520 No stop 04 39 30 =1903+097 15 59 39 34.2 119.9 -3.1 -34.0 108 559 04 37 01 04 39 30 GRS1915 15 59 39 33.7 116.8 -3.3 -35.3 -42 559 No stop 04 43 00 --- 16 03 10 34.2 117.6 -3.2 -35.0 168 613 04 39 31 Schedule for EFLSBERG (Code Ef ) Page 3 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 04 43 40 J1905+0952 16 03 50 34.8 120.9 -3.0 -33.6 -3 613 04 43 40 04 45 30 =1903+097 16 05 40 35.0 121.3 -3.0 -33.4 107 642 04 43 41 04 45 30 GRS1915 16 05 40 34.6 118.3 -3.2 -34.8 -42 642 No stop 04 49 00 --- 16 09 11 35.1 119.1 -3.1 -34.5 168 696 04 45 31 04 49 00 J1905+0952 16 09 11 35.5 122.2 -3.0 -33.1 -43 696 No stop 04 51 30 =1903+097 16 11 41 35.8 122.9 -2.9 -32.8 107 734 04 49 01 04 51 30 GRS1915 16 11 41 35.4 119.7 -3.1 -34.2 -42 734 No stop 04 55 00 --- 16 15 12 35.9 120.6 -3.0 -33.9 168 788 04 51 31 04 55 40 J1905+0952 16 15 52 36.4 123.9 -2.8 -32.4 -3 788 04 55 40 04 57 30 =1903+097 16 17 42 36.6 124.4 -2.8 -32.2 107 817 04 55 41 04 57 30 J1913+0932 16 17 42 35.3 122.6 -2.9 -32.9 -35 817 No stop 05 00 00 --- 16 20 13 35.7 123.3 -2.9 -32.6 115 855 04 57 31 05 00 40 J1905+0952 16 20 53 37.0 125.2 -2.8 -31.8 4 855 05 00 40 05 02 40 =1903+097 16 22 53 37.3 125.8 -2.7 -31.6 120 886 05 00 41 05 02 40 GRS1915 16 22 53 36.9 122.6 -2.9 -33.1 -42 886 No stop 05 06 10 --- 16 26 24 37.4 123.5 -2.8 -32.7 168 940 05 02 41 05 06 10 J1905+0952 16 26 24 37.7 126.7 -2.7 -31.2 -43 940 No stop 05 08 40 =1903+097 16 28 54 38.1 127.4 -2.6 -30.9 107 979 05 06 11 05 08 40 GRS1915 16 28 54 37.7 124.1 -2.8 -32.4 -42 979 No stop 05 12 10 --- 16 32 25 38.2 125.1 -2.7 -32.0 168 1033 05 08 41 05 12 50 J1905+0952 16 33 05 38.6 128.5 -2.6 -30.3 -3 1033 05 12 50 05 14 40 =1903+097 16 34 55 38.8 129.0 -2.5 -30.1 107 1061 05 12 51 05 14 40 GRS1915 16 34 55 38.5 125.7 -2.7 -31.7 -43 1061 No stop 05 18 10 --- 16 38 26 39.0 126.7 -2.6 -31.3 167 1116 05 14 41 05 18 10 J1905+0952 16 38 26 39.2 130.0 -2.5 -29.6 -44 1116 No stop 05 20 40 =1903+097 16 40 56 39.5 130.7 -2.4 -29.3 106 1154 05 18 11 05 20 40 GRS1915 16 40 56 39.3 127.3 -2.6 -31.0 -43 1154 No stop 05 24 10 --- 16 44 27 39.7 128.3 -2.5 -30.5 167 1208 05 20 41 05 24 50 J1905+0952 16 45 07 40.0 131.8 -2.4 -28.7 -4 1208 05 24 50 05 26 40 =1903+097 16 46 57 40.3 132.4 -2.3 -28.5 106 1237 05 24 51 Schedule for EFLSBERG (Code Ef ) Page 4 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 05 26 40 GRS1915 16 46 57 40.1 129.0 -2.5 -30.2 -43 1237 No stop 05 30 10 --- 16 50 28 40.5 130.0 -2.4 -29.8 167 1291 05 26 41 05 30 10 J1905+0952 16 50 28 40.7 133.4 -2.3 -28.0 -44 1291 No stop 05 32 40 =1903+097 16 52 58 41.0 134.1 -2.2 -27.6 106 1329 05 30 11 05 32 40 GRS1915 16 52 58 40.8 130.7 -2.4 -29.4 -43 1329 No stop 05 36 10 --- 16 56 29 41.2 131.7 -2.3 -28.9 167 1384 05 32 41 05 36 50 J1905+0952 16 57 09 41.4 135.3 -2.2 -27.0 -4 1384 05 36 50 05 38 40 =1903+097 16 58 59 41.6 135.8 -2.1 -26.7 106 1412 05 36 51 05 38 40 GRS1915 16 58 59 41.5 132.4 -2.3 -28.6 -43 1412 No stop 05 42 10 --- 17 02 30 41.9 133.4 -2.2 -28.1 167 1466 05 38 41 05 42 10 J1905+0952 17 02 30 42.0 136.9 -2.1 -26.2 -44 1466 No stop 05 44 40 =1903+097 17 05 00 42.3 137.6 -2.0 -25.8 106 1505 05 42 11 05 44 40 GRS1915 17 05 00 42.2 134.1 -2.2 -27.7 -43 1505 No stop 05 48 10 --- 17 08 31 42.6 135.2 -2.1 -27.2 167 1559 05 44 41 05 48 50 J1905+0952 17 09 11 42.7 138.9 -2.0 -25.1 -4 1559 05 48 50 05 50 40 =1903+097 17 11 01 42.9 139.4 -1.9 -24.8 106 1587 05 48 51 05 50 40 J1913+0932 17 11 01 41.8 137.3 -2.1 -25.9 -37 1587 No stop 05 53 10 --- 17 13 32 42.1 138.0 -2.0 -25.5 113 1626 05 50 41 05 53 50 J1905+0952 17 14 12 43.2 140.4 -1.9 -24.3 1 1626 05 53 50 05 55 50 =1903+097 17 16 12 43.4 141.0 -1.8 -23.9 120 1657 05 53 51 05 55 50 GRS1915 17 16 12 43.4 137.5 -2.0 -26.0 -44 1657 No stop 05 59 20 --- 17 19 43 43.8 138.6 -1.9 -25.4 166 1711 05 55 51 05 59 20 J1905+0952 17 19 43 43.8 142.1 -1.8 -23.3 -45 1711 No stop 06 01 50 =1903+097 17 22 13 44.0 142.9 -1.7 -22.9 105 1749 05 59 21 06 01 50 GRS1915 17 22 13 44.1 139.3 -1.9 -25.0 -44 1749 No stop 06 05 20 --- 17 25 44 44.4 140.4 -1.8 -24.4 166 1803 06 01 51 06 06 00 J1905+0952 17 26 24 44.4 144.2 -1.7 -22.2 -5 1803 06 06 00 06 07 50 =1903+097 17 28 14 44.6 144.8 -1.6 -21.8 105 1832 06 06 01 06 07 50 GRS1915 17 28 14 44.7 141.2 -1.8 -23.9 -44 1832 No stop 06 11 20 --- 17 31 45 45.0 142.3 -1.7 -23.3 166 1886 06 07 51 Schedule for EFLSBERG (Code Ef ) Page 5 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 06 11 20 J1905+0952 17 31 45 44.9 146.0 -1.6 -21.2 -45 1886 No stop 06 13 50 =1903+097 17 34 15 45.1 146.8 -1.5 -20.7 105 1925 06 11 21 06 13 50 GRS1915 17 34 15 45.3 143.1 -1.7 -22.9 -44 1925 No stop 06 17 20 --- 17 37 46 45.6 144.3 -1.6 -22.2 166 1979 06 13 51 06 18 00 J1905+0952 17 38 26 45.5 148.2 -1.5 -19.9 -5 1979 06 18 00 06 19 50 =1903+097 17 40 16 45.6 148.8 -1.4 -19.6 105 2007 06 18 01 06 19 50 GRS1915 17 40 16 45.8 145.1 -1.6 -21.8 -44 2007 No stop 06 23 20 --- 17 43 47 46.1 146.2 -1.5 -21.1 166 2061 06 19 51 06 23 20 J1905+0952 17 43 47 45.9 149.9 -1.4 -18.9 -45 2061 No stop 06 25 50 =1903+097 17 46 17 46.1 150.8 -1.3 -18.4 105 2100 06 23 21 06 25 50 GRS1915 17 46 17 46.4 147.1 -1.5 -20.6 -44 2100 No stop 06 29 20 --- 17 49 48 46.7 148.2 -1.4 -19.9 166 2154 06 25 51 06 30 00 J1905+0952 17 50 28 46.4 152.2 -1.3 -17.5 -5 2154 06 30 00 06 31 50 =1903+097 17 52 18 46.6 152.8 -1.2 -17.1 105 2182 06 30 01 06 31 50 GRS1915 17 52 18 46.9 149.1 -1.4 -19.4 -44 2182 No stop 06 35 20 --- 17 55 49 47.2 150.3 -1.3 -18.7 166 2236 06 31 51 06 35 20 J1905+0952 17 55 49 46.8 154.0 -1.2 -16.4 -46 2236 No stop 06 37 50 =1903+097 17 58 19 47.0 154.9 -1.1 -15.9 104 2275 06 35 21 06 37 50 GRS1915 17 58 19 47.3 151.1 -1.3 -18.2 -44 2275 No stop 06 41 20 --- 18 01 49 47.6 152.3 -1.2 -17.5 166 2329 06 37 51 06 42 00 J1905+0952 18 02 30 47.3 156.4 -1.1 -15.0 -6 2329 06 42 00 06 43 50 =1903+097 18 04 20 47.4 157.0 -1.0 -14.6 104 2357 06 42 01 06 43 50 J1913+0932 18 04 20 46.6 154.4 -1.2 -16.2 -39 2357 No stop 06 46 20 --- 18 06 50 46.7 155.3 -1.1 -15.6 111 2396 06 43 51 06 47 00 J1905+0952 18 07 30 47.6 158.1 -1.0 -13.9 -1 2396 06 47 00 06 49 00 =1903+097 18 09 31 47.7 158.8 -1.0 -13.5 119 2427 06 47 01 06 49 00 GRS1915 18 09 31 48.2 155.0 -1.1 -15.9 -44 2427 No stop 06 52 30 --- 18 13 01 48.4 156.3 -1.1 -15.1 166 2481 06 49 01 06 52 30 J1905+0952 18 13 01 47.9 160.1 -0.9 -12.7 -46 2481 No stop 06 55 00 =1903+097 18 15 32 48.0 161.0 -0.9 -12.1 104 2520 06 52 31 Schedule for EFLSBERG (Code Ef ) Page 6 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 06 55 00 GRS1915 18 15 32 48.5 157.2 -1.0 -14.5 -44 2520 No stop 06 58 30 --- 18 19 02 48.7 158.5 -1.0 -13.8 166 2574 06 55 01 06 59 10 J1905+0952 18 19 42 48.2 162.5 -0.8 -11.2 -6 2574 06 59 10 07 01 00 =1903+097 18 21 33 48.3 163.2 -0.8 -10.8 104 2602 06 59 11 07 01 00 GRS1915 18 21 33 48.9 159.4 -0.9 -13.2 -44 2602 No stop 07 04 30 --- 18 25 03 49.1 160.6 -0.9 -12.4 166 2656 07 01 01 07 04 30 J1905+0952 18 25 03 48.5 164.4 -0.7 -10.0 -46 2656 No stop 07 07 00 =1903+097 18 27 34 48.6 165.4 -0.7 -9.4 104 2695 07 04 31 07 07 00 GRS1915 18 27 34 49.2 161.6 -0.8 -11.8 -44 2695 No stop 07 10 30 --- 18 31 04 49.4 162.9 -0.8 -11.0 166 2749 07 07 01 07 11 10 J1905+0952 18 31 44 48.7 166.9 -0.6 -8.4 -6 2749 07 11 10 07 13 00 =1903+097 18 33 35 48.8 167.6 -0.6 -8.0 104 2777 07 11 11 07 13 00 GRS1915 18 33 35 49.5 163.8 -0.7 -10.4 -44 2777 No stop 07 16 30 --- 18 37 05 49.6 165.1 -0.7 -9.6 166 2831 07 13 01 07 16 30 J1905+0952 18 37 05 48.9 168.9 -0.5 -7.1 -46 2831 No stop 07 19 00 =1903+097 18 39 36 49.0 169.8 -0.5 -6.6 104 2870 07 16 31 07 19 00 GRS1915 18 39 36 49.7 166.0 -0.6 -9.0 -44 2870 No stop 07 22 30 --- 18 43 06 49.9 167.4 -0.6 -8.2 166 2924 07 19 01 07 23 10 J1905+0952 18 43 46 49.1 171.4 -0.4 -5.6 -6 2924 07 23 10 07 25 00 =1903+097 18 45 37 49.1 172.1 -0.4 -5.1 104 2953 07 23 11 07 37 00 J1913+0932 18 57 39 48.9 173.7 -0.3 -4.0 679 2953 07 37 00 07 39 30 --- 19 00 09 48.9 174.7 -0.2 -3.4 150 2991 07 37 01 07 40 00 J1800+3848 19 00 39 74.3 227.6 1.0 37.0 -139 2991 07 40 00 07 45 00 =1758+388 19 05 40 73.7 230.4 1.1 38.9 161 3068 07 40 01 07 45 40 J1905+0952 19 06 20 49.4 179.9 -0.0 -0.1 -119 3068 07 45 40 07 47 40 =1903+097 19 08 20 49.4 180.6 0.0 0.4 1 3099 07 45 41 07 47 40 GRS1915 19 08 20 50.4 177.0 -0.1 -2.0 -44 3099 No stop 07 51 10 --- 19 11 51 50.4 178.3 -0.1 -1.1 166 3153 07 47 41 07 51 10 J1905+0952 19 11 51 49.4 182.0 0.1 1.3 -45 3153 No stop 07 53 40 =1903+097 19 14 21 49.3 182.9 0.1 1.9 105 3192 07 51 11 Schedule for EFLSBERG (Code Ef ) Page 7 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 07 53 40 GRS1915 19 14 21 50.5 179.3 -0.0 -0.5 -44 3192 No stop 07 57 10 --- 19 17 52 50.5 180.7 0.0 0.4 166 3246 07 53 41 07 57 50 J1905+0952 19 18 32 49.3 184.5 0.2 2.9 -5 3246 07 57 50 07 59 40 =1903+097 19 20 22 49.3 185.2 0.2 3.3 105 3275 07 57 51 07 59 40 GRS1915 19 20 22 50.4 181.6 0.1 1.1 -43 3275 No stop 08 03 10 --- 19 23 53 50.4 183.0 0.1 1.9 167 3329 07 59 41 08 03 10 J1905+0952 19 23 53 49.2 186.5 0.3 4.2 -45 3329 No stop 08 05 40 =1903+097 19 26 23 49.2 187.4 0.3 4.8 105 3367 08 03 11 08 05 40 GRS1915 19 26 23 50.4 183.9 0.2 2.5 -43 3367 No stop 08 09 10 --- 19 29 54 50.4 185.3 0.2 3.4 167 3421 08 05 41 08 09 50 J1905+0952 19 30 34 49.1 189.0 0.4 5.8 -5 3421 08 09 50 08 11 40 =1903+097 19 32 24 49.0 189.7 0.4 6.2 105 3450 08 09 51 08 11 40 GRS1915 19 32 24 50.3 186.2 0.3 4.0 -43 3450 No stop 08 15 10 --- 19 35 55 50.2 187.6 0.3 4.9 167 3504 08 11 41 08 15 10 J1905+0952 19 35 55 48.9 191.0 0.5 7.1 -44 3504 No stop 08 17 40 =1903+097 19 38 25 48.8 191.9 0.5 7.7 106 3543 08 15 11 08 17 40 GRS1915 19 38 25 50.2 188.6 0.4 5.5 -43 3543 No stop 08 21 10 --- 19 41 56 50.1 189.9 0.4 6.4 167 3597 08 17 41 08 21 50 J1905+0952 19 42 36 48.7 193.5 0.6 8.7 -4 3597 08 21 50 08 23 40 =1903+097 19 44 26 48.6 194.2 0.6 9.1 106 3625 08 21 51 08 23 40 GRS1915 19 44 26 50.0 190.8 0.5 7.0 -42 3625 No stop 08 27 10 --- 19 47 57 49.9 192.2 0.5 7.8 168 3679 08 23 41 08 27 10 J1905+0952 19 47 57 48.5 195.5 0.7 9.9 -44 3679 No stop 08 29 40 =1903+097 19 50 27 48.4 196.4 0.7 10.5 106 3718 08 27 11 08 29 40 GRS1915 19 50 27 49.8 193.1 0.6 8.4 -42 3718 No stop 08 33 10 --- 19 53 58 49.7 194.4 0.6 9.3 168 3772 08 29 41 08 33 50 J1905+0952 19 54 38 48.2 197.9 0.8 11.4 -3 3772 08 33 50 08 35 40 =1903+097 19 56 28 48.1 198.6 0.8 11.8 107 3800 08 33 51 08 35 40 J1913+0932 19 56 28 48.1 195.7 0.7 10.0 -41 3800 No stop 08 38 10 --- 19 58 59 48.0 196.6 0.7 10.6 109 3839 08 35 41 Schedule for EFLSBERG (Code Ef ) Page 8 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 08 38 50 J1905+0952 19 59 39 47.9 199.7 0.9 12.6 -2 3839 08 38 50 08 40 50 =1903+097 20 01 39 47.8 200.4 0.9 13.0 118 3870 08 38 51 08 40 50 GRS1915 20 01 39 49.4 197.3 0.8 11.1 -42 3870 No stop 08 44 20 --- 20 05 10 49.2 198.6 0.8 11.9 168 3924 08 40 51 08 44 20 J1905+0952 20 05 10 47.6 201.7 1.0 13.8 -43 3924 No stop 08 46 50 =1903+097 20 07 40 47.5 202.5 1.0 14.3 107 3962 08 44 21 08 46 50 GRS1915 20 07 40 49.1 199.5 0.9 12.5 -41 3962 No stop 08 50 20 --- 20 11 11 48.9 200.8 0.9 13.3 169 4017 08 46 51 08 51 00 J1905+0952 20 11 51 47.2 204.0 1.1 15.2 -2 4017 08 51 00 08 52 50 =1903+097 20 13 41 47.1 204.7 1.1 15.6 108 4045 08 51 01 08 52 50 GRS1915 20 13 41 48.7 201.7 1.0 13.8 -41 4045 No stop 08 56 20 --- 20 17 12 48.5 203.0 1.0 14.6 169 4099 08 52 51 08 56 20 J1905+0952 20 17 12 46.8 205.9 1.2 16.4 -42 4099 No stop 08 58 50 =1903+097 20 19 42 46.7 206.7 1.2 16.9 108 4138 08 56 21 08 58 50 GRS1915 20 19 42 48.4 203.9 1.1 15.2 -41 4138 No stop 09 02 20 --- 20 23 13 48.1 205.1 1.1 15.9 169 4192 08 58 51 09 03 00 J1905+0952 20 23 53 46.4 208.2 1.3 17.7 -2 4192 09 03 00 09 04 50 =1903+097 20 25 43 46.2 208.8 1.3 18.1 108 4220 09 03 01 09 04 50 GRS1915 20 25 43 48.0 206.0 1.2 16.5 -40 4220 No stop 09 08 20 --- 20 29 14 47.7 207.2 1.2 17.2 170 4274 09 04 51 09 08 20 J1905+0952 20 29 14 46.0 210.0 1.4 18.8 -41 4274 No stop 09 10 50 =1903+097 20 31 44 45.7 210.8 1.4 19.3 109 4313 09 08 21 09 10 50 GRS1915 20 31 44 47.5 208.1 1.3 17.7 -40 4313 No stop 09 14 20 --- 20 35 15 47.3 209.3 1.3 18.5 170 4367 09 10 51 09 15 00 J1905+0952 20 35 55 45.4 212.2 1.5 20.1 -1 4367 09 15 00 09 16 50 =1903+097 20 37 45 45.2 212.8 1.5 20.5 109 4395 09 15 01 09 16 50 GRS1915 20 37 45 47.1 210.1 1.4 19.0 -40 4395 No stop 09 20 20 --- 20 41 16 46.8 211.3 1.4 19.7 170 4449 09 16 51 09 20 20 J1905+0952 20 41 16 44.9 213.9 1.6 21.1 -41 4449 No stop 09 22 50 =1903+097 20 43 46 44.7 214.8 1.6 21.6 109 4488 09 20 21 Schedule for EFLSBERG (Code Ef ) Page 9 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 09 22 50 GRS1915 20 43 46 46.6 212.2 1.5 20.2 -39 4488 No stop 09 26 20 --- 20 47 17 46.3 213.3 1.5 20.9 171 4542 09 22 51 09 27 00 J1905+0952 20 47 57 44.3 216.1 1.7 22.3 0 4542 09 27 00 09 28 50 =1903+097 20 49 47 44.2 216.7 1.7 22.7 110 4571 09 27 01 09 28 50 J1913+0932 20 49 47 44.6 214.0 1.6 21.2 -40 4571 No stop 09 31 20 --- 20 52 17 44.3 214.8 1.6 21.6 110 4609 09 28 51 09 32 00 J1905+0952 20 52 58 43.9 217.7 1.8 23.2 -1 4609 09 32 00 09 34 00 =1903+097 20 54 58 43.7 218.3 1.8 23.6 119 4640 09 32 01 09 34 00 GRS1915 20 54 58 45.6 215.9 1.6 22.3 -39 4640 No stop 09 37 30 --- 20 58 28 45.2 217.0 1.7 22.9 171 4694 09 34 01 09 37 30 J1905+0952 20 58 28 43.3 219.4 1.9 24.2 -40 4694 No stop 09 40 00 =1903+097 21 00 59 43.1 220.2 1.9 24.6 110 4733 09 37 31 09 40 00 GRS1915 21 00 59 45.0 217.8 1.7 23.4 -38 4733 No stop 09 43 30 --- 21 04 29 44.6 218.9 1.8 24.0 172 4787 09 40 01 09 44 10 J1905+0952 21 05 10 42.6 221.4 2.0 25.3 1 4787 09 44 10 09 46 10 =1903+097 21 07 10 42.4 222.0 2.0 25.6 120 4818 09 44 11 09 46 10 GRS1915 21 07 10 44.4 219.8 1.9 24.5 -38 4818 No stop 09 49 40 --- 21 10 40 44.0 220.8 1.9 25.1 172 4872 09 46 11 09 49 40 J1905+0952 21 10 40 42.0 223.1 2.1 26.2 -39 4872 No stop 09 52 10 =1903+097 21 13 11 41.8 223.8 2.1 26.5 111 4911 09 49 41 09 52 10 GRS1915 21 13 11 43.8 221.6 2.0 25.5 -38 4911 No stop 09 55 40 --- 21 16 41 43.4 222.7 2.0 26.0 172 4965 09 52 11 09 56 20 J1905+0952 21 17 22 41.3 225.1 2.2 27.2 1 4965 09 56 20 09 58 20 =1903+097 21 19 22 41.1 225.6 2.2 27.5 120 4996 09 56 21 09 58 20 GRS1915 21 19 22 43.1 223.5 2.1 26.5 -37 4996 No stop 10 01 50 --- 21 22 52 42.7 224.5 2.1 27.0 173 5050 09 58 21 10 01 50 J1905+0952 21 22 52 40.7 226.7 2.3 28.0 -38 5050 No stop 10 04 20 =1903+097 21 25 23 40.4 227.4 2.3 28.3 112 5088 10 01 51 10 04 20 GRS1915 21 25 23 42.4 225.3 2.2 27.4 -37 5088 No stop 10 07 50 --- 21 28 53 42.0 226.3 2.2 27.9 173 5142 10 04 21 Schedule for EFLSBERG (Code Ef ) Page 10 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 10 08 30 J1905+0952 21 29 34 39.9 228.6 2.4 28.9 2 5142 10 08 30 10 10 30 =1903+097 21 31 34 39.6 229.1 2.4 29.2 120 5173 10 08 31 10 10 30 GRS1915 21 31 34 41.7 227.1 2.3 28.3 -37 5173 No stop 10 14 00 --- 21 35 04 41.3 228.1 2.3 28.8 173 5227 10 10 31 10 14 00 J1905+0952 21 35 04 39.2 230.1 2.5 29.7 -38 5227 No stop 10 16 30 =1903+097 21 37 35 38.9 230.8 2.5 30.0 112 5266 10 14 01 10 16 30 GRS1915 21 37 35 41.0 228.8 2.4 29.2 -37 5266 No stop 10 20 00 --- 21 41 05 40.6 229.8 2.4 29.7 173 5320 10 16 31 10 20 40 J1905+0952 21 41 46 38.4 231.9 2.6 30.5 2 5320 10 20 40 10 22 40 =1903+097 21 43 46 38.1 232.5 2.6 30.8 120 5351 10 20 41 10 22 40 J1913+0932 21 43 46 38.8 230.1 2.5 29.7 -38 5351 No stop 10 25 10 --- 21 46 16 38.5 230.8 2.5 30.0 112 5390 10 22 41 10 25 50 J1905+0952 21 46 56 37.7 233.3 2.7 31.2 1 5390 10 25 50 10 27 50 =1903+097 21 48 57 37.5 233.8 2.7 31.4 120 5421 10 25 51 10 27 50 GRS1915 21 48 57 39.6 232.0 2.5 30.7 -38 5421 No stop 10 31 20 --- 21 52 27 39.2 232.9 2.6 31.1 172 5475 10 27 51 10 31 20 J1905+0952 21 52 27 37.0 234.8 2.8 31.8 -38 5475 No stop 10 33 50 =1903+097 21 54 58 36.7 235.4 2.8 32.1 112 5513 10 31 21 10 33 50 GRS1915 21 54 58 38.8 233.6 2.6 31.4 -38 5513 No stop 10 37 20 --- 21 58 28 38.4 234.6 2.7 31.8 172 5568 10 33 51 10 38 00 J1905+0952 21 59 08 36.1 236.5 2.9 32.6 2 5568 10 38 00 10 40 00 =1903+097 22 01 09 35.9 237.0 2.9 32.8 120 5598 10 38 01 10 40 00 GRS1915 22 01 09 38.0 235.3 2.7 32.2 -38 5598 No stop 10 43 30 --- 22 04 39 37.6 236.2 2.8 32.6 172 5653 10 40 01 10 43 30 J1905+0952 22 04 39 35.4 237.9 3.0 33.1 -38 5653 No stop 10 46 00 =1903+097 22 07 10 35.1 238.5 3.0 33.4 112 5691 10 43 31 10 46 00 GRS1915 22 07 10 37.3 236.8 2.8 32.8 -38 5691 No stop 10 49 30 --- 22 10 40 36.8 237.7 2.9 33.2 172 5745 10 46 01 10 50 10 J1905+0952 22 11 20 34.5 239.6 3.1 33.8 2 5745 10 50 10 10 52 10 =1903+097 22 13 21 34.2 240.1 3.1 34.0 120 5776 10 50 11 Schedule for EFLSBERG (Code Ef ) Page 11 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 10 52 10 GRS1915 22 13 21 36.4 238.4 3.0 33.5 -38 5776 No stop 10 55 40 --- 22 16 51 35.9 239.3 3.0 33.8 172 5830 10 52 11 10 55 40 J1905+0952 22 16 51 33.7 240.9 3.2 34.3 -38 5830 No stop 10 58 10 =1903+097 22 19 22 33.4 241.6 3.2 34.6 112 5869 10 55 41 10 58 10 GRS1915 22 19 22 35.6 239.9 3.1 34.1 -38 5869 No stop 11 01 40 --- 22 22 52 35.1 240.8 3.1 34.4 172 5923 10 58 11 11 02 20 J1905+0952 22 23 32 32.8 242.6 3.3 34.9 2 5923 11 02 20 11 04 20 =1903+097 22 25 33 32.5 243.0 3.3 35.1 120 5954 11 02 21 11 04 20 J1913+0932 22 25 33 33.3 241.0 3.2 34.3 -37 5954 No stop 11 06 50 --- 22 28 03 33.0 241.6 3.2 34.5 113 5993 11 04 21 11 07 30 J1905+0952 22 28 43 32.1 243.8 3.4 35.4 2 5993 11 07 30 11 09 30 =1903+097 22 30 44 31.8 244.3 3.4 35.5 120 6024 11 07 31 11 09 30 GRS1915 22 30 44 34.0 242.7 3.2 35.1 -38 6024 No stop 11 13 00 --- 22 34 14 33.5 243.6 3.3 35.5 172 6078 11 09 31 11 13 00 J1905+0952 22 34 14 31.3 245.1 3.5 35.8 -39 6078 No stop 11 15 30 =1903+097 22 36 45 30.9 245.7 3.5 36.0 111 6116 11 13 01 11 15 30 GRS1915 22 36 45 33.2 244.2 3.3 35.7 -38 6116 No stop 11 19 00 --- 22 40 15 32.7 245.0 3.4 35.9 172 6170 11 15 31 11 19 40 J1905+0952 22 40 55 30.3 246.6 3.6 36.3 1 6170 11 19 40 11 21 40 =1903+097 22 42 56 30.0 247.1 3.6 36.5 120 6201 11 19 41 11 21 40 GRS1915 22 42 56 32.3 245.6 3.4 36.2 -38 6201 No stop 11 25 10 --- 22 46 26 31.8 246.5 3.5 36.4 172 6255 11 21 41 11 25 10 J1905+0952 22 46 26 29.5 247.9 3.7 36.7 -39 6255 No stop 11 27 40 =1903+097 22 48 57 29.1 248.5 3.7 36.9 111 6294 11 25 11 11 27 40 GRS1915 22 48 57 31.4 247.0 3.5 36.6 -38 6294 No stop 11 31 10 --- 22 52 27 30.9 247.9 3.6 36.9 172 6348 11 27 41 11 31 50 J1905+0952 22 53 07 28.5 249.4 3.8 37.2 1 6348 11 31 50 11 33 50 =1903+097 22 55 08 28.2 249.9 3.8 37.3 120 6379 11 31 51 11 33 50 GRS1915 22 55 08 30.5 248.5 3.6 37.0 -38 6379 No stop 11 37 20 --- 22 58 38 30.0 249.3 3.7 37.3 172 6433 11 33 51 Schedule for EFLSBERG (Code Ef ) Page 12 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 11 37 20 J1905+0952 22 58 38 27.7 250.6 3.9 37.5 -39 6433 No stop 11 39 50 =1903+097 23 01 09 27.3 251.2 3.9 37.7 111 6472 11 37 21 11 39 50 GRS1915 23 01 09 29.6 249.8 3.7 37.4 -38 6472 No stop 11 43 20 --- 23 04 39 29.1 250.6 3.8 37.7 172 6526 11 39 51 11 44 00 J1905+0952 23 05 19 26.7 252.1 4.0 37.9 1 6526 11 44 00 11 46 00 =1903+097 23 07 20 26.4 252.5 4.0 38.0 120 6557 11 44 01 11 46 00 J1913+0932 23 07 20 27.3 250.6 3.9 37.5 -36 6557 No stop 11 48 30 --- 23 09 50 26.9 251.2 3.9 37.6 114 6596 11 46 01 11 49 10 J1905+0952 23 10 30 25.9 253.2 4.1 38.2 3 6596 11 49 10 11 52 40 =1903+097 23 14 01 25.4 254.0 4.1 38.3 210 6650 11 49 11 11 54 00 J2253+1608 23 15 21 55.5 188.7 0.3 5.7 -114 6650 11 54 00 12 00 00 =3C454.3 23 21 22 55.3 191.2 0.4 7.4 246 6742 11 54 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess121.C2048 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: ef6cm 6cm secondary focus receiver. This LO covers the whole band. ****** Only 256.00 of 512.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 4 Station: EFLSBERG 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 C3 A1 C3 A1 C3 A1 C3 A1 C3 A1 C3 A1 C3 A1 C3 The following frequency sets based on these setups were used. Frequency Set: 3 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: 3 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * GRS1915 19 12 49.958613 * 19 15 11.544821 19 16 09.784147 0.00 GRS1915+105 10 51 26.57111 * 10 56 44.62477 10 58 46.80895 0.00 From catalog imbedded in main SCHED input file. * J1913+0932 19 11 00.869981 * 19 13 24.025348 19 14 22.931578 0.00 09 27 34.81592 * 09 32 45.37648 09 34 44.78753 0.00 From catalog imbedded in main SCHED input file. 1758+388 17 58 44.703954 * 18 00 24.765363 18 01 05.985930 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69748 38 48 11.69985 0.01 J1800+38 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 5095 observations. 1903+097 19 03 17.231910 * 19 05 39.898972 19 06 38.639105 0.13 * J1905+0952 09 47 30.15815 * 09 52 08.40750 09 53 54.19200 0.22 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 104 observations. 3C454.3 22 51 29.519739 * 22 53 57.747939 22 54 58.214842 0.65 * J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 26.32748 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline GRS1915 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 14 3.967 484.265 J1913+0932 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.375 42.444 J1800+3848 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.167 21.481 J1905+0952 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 14 2.850 348.727 J2253+1608 sess121.C2048 1 2 3 4 5 7 8 9 10 11 14 0.100 9.360 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) GRS1915 59.3 J1913+0932 59.4 J1800+3848 82.9 J1905+0952 61.3 J2253+1608 22.3 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg