COVER INFORMATION Station: YEBES40M (Code Ys ) 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 YEBES40M (Code Ys ) 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: 672.49 672.49 672.49 672.49 736.49 736.49 736.49 736.49 800.49 800.49 800.49 800.49 864.49 864.49 864.49 864.49 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 14 40 10 51.8 75.7 -3.3 -71.0 0 0 04 00 00 04 05 00 =1758+388 14 45 11 52.7 76.2 -3.3 -71.3 300 77 04 00 01 04 07 00 J1905+0952 14 47 11 25.5 99.0 -4.3 -49.7 77 77 04 07 00 04 09 30 =1903+097 14 49 42 25.9 99.4 -4.3 -49.6 150 116 04 07 01 04 09 30 GRS1915 14 49 42 24.8 96.9 -4.4 -50.2 -18 116 No stop 04 13 00 --- 14 53 12 25.5 97.5 -4.4 -50.2 192 170 04 09 31 04 13 00 J1905+0952 14 53 12 26.6 100.1 -4.2 -49.4 -18 170 No stop 04 15 30 =1903+097 14 55 43 27.0 100.5 -4.2 -49.3 132 209 04 13 01 04 15 30 GRS1915 14 55 43 26.0 97.9 -4.3 -50.1 -18 209 No stop 04 19 00 --- 14 59 13 26.6 98.5 -4.3 -50.0 192 263 04 15 31 04 19 40 J1905+0952 14 59 53 27.8 101.3 -4.1 -49.2 22 263 04 19 40 04 21 30 =1903+097 15 01 44 28.2 101.6 -4.1 -49.1 110 291 04 19 41 04 21 30 GRS1915 15 01 44 27.1 99.0 -4.2 -49.9 -18 291 No stop 04 25 00 --- 15 05 14 27.8 99.6 -4.2 -49.8 192 345 04 21 31 04 25 00 J1905+0952 15 05 14 28.8 102.3 -4.0 -48.9 -18 345 No stop 04 27 30 =1903+097 15 07 45 29.3 102.7 -4.0 -48.8 132 384 04 25 01 04 27 30 GRS1915 15 07 45 28.2 100.0 -4.1 -49.7 -18 384 No stop 04 31 00 --- 15 11 15 28.9 100.7 -4.1 -49.5 192 438 04 27 31 04 31 40 J1905+0952 15 11 55 30.1 103.5 -3.9 -48.6 22 438 04 31 40 04 33 30 =1903+097 15 13 46 30.4 103.8 -3.9 -48.5 110 466 04 31 41 04 33 30 GRS1915 15 13 46 29.3 101.1 -4.0 -49.4 -18 466 No stop 04 37 00 --- 15 17 16 30.0 101.8 -4.0 -49.3 192 520 04 33 31 04 37 00 J1905+0952 15 17 16 31.0 104.5 -3.8 -48.3 -18 520 No stop 04 39 30 =1903+097 15 19 47 31.5 105.0 -3.8 -48.2 132 559 04 37 01 04 39 30 GRS1915 15 19 47 30.5 102.2 -3.9 -49.2 -18 559 No stop 04 43 00 --- 15 23 17 31.1 102.9 -3.9 -49.0 192 613 04 39 31 Schedule for YEBES40M (Code Ys ) 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 15 23 57 32.3 105.8 -3.7 -47.9 22 613 04 43 40 04 45 30 =1903+097 15 25 48 32.6 106.2 -3.7 -47.8 110 642 04 43 41 04 45 30 GRS1915 15 25 48 31.6 103.4 -3.8 -48.9 -18 642 No stop 04 49 00 --- 15 29 18 32.2 104.0 -3.8 -48.7 192 696 04 45 31 04 49 00 J1905+0952 15 29 18 33.2 106.9 -3.6 -47.6 -18 696 No stop 04 51 30 =1903+097 15 31 49 33.7 107.4 -3.6 -47.4 132 734 04 49 01 04 51 30 GRS1915 15 31 49 32.7 104.5 -3.7 -48.6 -18 734 No stop 04 55 00 --- 15 35 19 33.3 105.2 -3.7 -48.3 192 788 04 51 31 04 55 40 J1905+0952 15 35 59 34.5 108.2 -3.5 -47.1 22 788 04 55 40 04 57 30 =1903+097 15 37 50 34.8 108.6 -3.5 -47.0 110 817 04 55 41 04 57 30 J1913+0932 15 37 50 33.2 107.3 -3.6 -47.4 -17 817 No stop 05 00 00 --- 15 40 20 33.6 107.8 -3.6 -47.2 133 855 04 57 31 05 00 40 J1905+0952 15 41 00 35.4 109.2 -3.4 -46.8 23 855 05 00 40 05 02 40 =1903+097 15 43 00 35.7 109.6 -3.4 -46.6 120 886 05 00 41 05 02 40 GRS1915 15 43 00 34.7 106.7 -3.6 -47.9 -18 886 No stop 05 06 10 --- 15 46 31 35.4 107.4 -3.5 -47.6 192 940 05 02 41 05 06 10 J1905+0952 15 46 31 36.3 110.4 -3.3 -46.3 -18 940 No stop 05 08 40 =1903+097 15 49 01 36.8 110.9 -3.3 -46.1 132 979 05 06 11 05 08 40 GRS1915 15 49 01 35.8 107.9 -3.5 -47.4 -18 979 No stop 05 12 10 --- 15 52 32 36.5 108.7 -3.4 -47.2 192 1033 05 08 41 05 12 50 J1905+0952 15 53 12 37.5 111.8 -3.2 -45.8 22 1033 05 12 50 05 14 40 =1903+097 15 55 02 37.9 112.2 -3.2 -45.6 110 1061 05 12 51 05 14 40 GRS1915 15 55 02 36.9 109.2 -3.4 -47.0 -18 1061 No stop 05 18 10 --- 15 58 33 37.5 109.9 -3.3 -46.7 192 1116 05 14 41 05 18 10 J1905+0952 15 58 33 38.5 113.0 -3.1 -45.3 -18 1116 No stop 05 20 40 =1903+097 16 01 03 38.9 113.5 -3.1 -45.0 132 1154 05 18 11 05 20 40 GRS1915 16 01 03 38.0 110.5 -3.3 -46.5 -18 1154 No stop 05 24 10 --- 16 04 34 38.6 111.2 -3.2 -46.2 192 1208 05 20 41 05 24 50 J1905+0952 16 05 14 39.6 114.5 -3.0 -44.6 22 1208 05 24 50 05 26 40 =1903+097 16 07 04 40.0 114.9 -3.0 -44.4 110 1237 05 24 51 Schedule for YEBES40M (Code Ys ) 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 07 04 39.1 111.8 -3.2 -46.0 -18 1237 No stop 05 30 10 --- 16 10 35 39.7 112.5 -3.1 -45.7 192 1291 05 26 41 05 30 10 J1905+0952 16 10 35 40.6 115.7 -2.9 -44.0 -18 1291 No stop 05 32 40 =1903+097 16 13 05 41.0 116.3 -2.9 -43.8 132 1329 05 30 11 05 32 40 GRS1915 16 13 05 40.1 113.1 -3.1 -45.4 -18 1329 No stop 05 36 10 --- 16 16 36 40.7 113.9 -3.0 -45.1 192 1384 05 32 41 05 36 50 J1905+0952 16 17 16 41.7 117.3 -2.8 -43.3 22 1384 05 36 50 05 38 40 =1903+097 16 19 06 42.0 117.7 -2.8 -43.1 110 1412 05 36 51 05 38 40 GRS1915 16 19 06 41.2 114.5 -3.0 -44.8 -18 1412 No stop 05 42 10 --- 16 22 37 41.8 115.3 -2.9 -44.4 192 1466 05 38 41 05 42 10 J1905+0952 16 22 37 42.6 118.6 -2.7 -42.6 -18 1466 No stop 05 44 40 =1903+097 16 25 07 43.0 119.2 -2.7 -42.3 132 1505 05 42 11 05 44 40 GRS1915 16 25 07 42.2 115.9 -2.9 -44.2 -18 1505 No stop 05 48 10 --- 16 28 38 42.8 116.7 -2.8 -43.8 192 1559 05 44 41 05 48 50 J1905+0952 16 29 18 43.7 120.3 -2.6 -41.8 22 1559 05 48 50 05 50 40 =1903+097 16 31 08 44.0 120.7 -2.6 -41.5 110 1587 05 48 51 05 50 40 J1913+0932 16 31 08 42.5 119.1 -2.7 -42.4 -17 1587 No stop 05 53 10 --- 16 33 39 42.9 119.7 -2.7 -42.0 133 1626 05 50 41 05 53 50 J1905+0952 16 34 19 44.5 121.6 -2.5 -41.1 23 1626 05 53 50 05 55 50 =1903+097 16 36 19 44.8 122.1 -2.5 -40.8 120 1657 05 53 51 05 55 50 GRS1915 16 36 19 44.1 118.6 -2.7 -42.8 -18 1657 No stop 05 59 20 --- 16 39 50 44.7 119.5 -2.6 -42.4 192 1711 05 55 51 05 59 20 J1905+0952 16 39 50 45.4 123.0 -2.4 -40.3 -19 1711 No stop 06 01 50 =1903+097 16 42 20 45.8 123.7 -2.4 -39.9 131 1749 05 59 21 06 01 50 GRS1915 16 42 20 45.1 120.2 -2.6 -42.0 -19 1749 No stop 06 05 20 --- 16 45 51 45.7 121.1 -2.5 -41.5 191 1803 06 01 51 06 06 00 J1905+0952 16 46 31 46.5 124.8 -2.3 -39.3 21 1803 06 06 00 06 07 50 =1903+097 16 48 21 46.7 125.3 -2.3 -39.0 110 1832 06 06 01 06 07 50 GRS1915 16 48 21 46.1 121.7 -2.5 -41.2 -19 1832 No stop 06 11 20 --- 16 51 52 46.6 122.7 -2.4 -40.7 191 1886 06 07 51 Schedule for YEBES40M (Code Ys ) 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 16 51 52 47.3 126.3 -2.2 -38.4 -19 1886 No stop 06 13 50 =1903+097 16 54 22 47.7 127.0 -2.2 -38.0 131 1925 06 11 21 06 13 50 GRS1915 16 54 22 47.0 123.4 -2.4 -40.3 -19 1925 No stop 06 17 20 --- 16 57 53 47.6 124.3 -2.3 -39.7 191 1979 06 13 51 06 18 00 J1905+0952 16 58 33 48.3 128.3 -2.1 -37.3 21 1979 06 18 00 06 19 50 =1903+097 17 00 23 48.6 128.8 -2.1 -37.0 110 2007 06 18 01 06 19 50 GRS1915 17 00 23 48.0 125.0 -2.3 -39.3 -19 2007 No stop 06 23 20 --- 17 03 54 48.5 126.0 -2.2 -38.8 191 2061 06 19 51 06 23 20 J1905+0952 17 03 54 49.1 129.9 -2.0 -36.3 -19 2061 No stop 06 25 50 =1903+097 17 06 24 49.4 130.6 -2.0 -35.8 131 2100 06 23 21 06 25 50 GRS1915 17 06 24 48.9 126.8 -2.2 -38.3 -19 2100 No stop 06 29 20 --- 17 09 55 49.4 127.8 -2.1 -37.7 191 2154 06 25 51 06 30 00 J1905+0952 17 10 35 50.0 131.9 -1.9 -35.0 21 2154 06 30 00 06 31 50 =1903+097 17 12 25 50.3 132.5 -1.9 -34.7 110 2182 06 30 01 06 31 50 GRS1915 17 12 25 49.8 128.6 -2.1 -37.3 -19 2182 No stop 06 35 20 --- 17 15 56 50.3 129.6 -2.0 -36.6 191 2236 06 31 51 06 35 20 J1905+0952 17 15 56 50.8 133.6 -1.8 -34.0 -19 2236 No stop 06 37 50 =1903+097 17 18 26 51.1 134.4 -1.8 -33.4 131 2275 06 35 21 06 37 50 GRS1915 17 18 26 50.7 130.4 -2.0 -36.1 -19 2275 No stop 06 41 20 --- 17 21 57 51.2 131.5 -1.9 -35.4 191 2329 06 37 51 06 42 00 J1905+0952 17 22 37 51.7 135.8 -1.7 -32.5 21 2329 06 42 00 06 43 50 =1903+097 17 24 27 51.9 136.4 -1.7 -32.1 110 2357 06 42 01 06 43 50 J1913+0932 17 24 27 50.6 134.2 -1.8 -33.6 -17 2357 No stop 06 46 20 --- 17 26 57 51.0 135.0 -1.8 -33.0 133 2396 06 43 51 06 47 00 J1905+0952 17 27 38 52.3 137.5 -1.7 -31.4 23 2396 06 47 00 06 49 00 =1903+097 17 29 38 52.6 138.2 -1.6 -30.9 120 2427 06 47 01 06 49 00 GRS1915 17 29 38 52.3 134.0 -1.8 -33.8 -19 2427 No stop 06 52 30 --- 17 33 08 52.7 135.2 -1.7 -33.1 191 2481 06 49 01 06 52 30 J1905+0952 17 33 08 53.0 139.5 -1.6 -30.1 -19 2481 No stop 06 55 00 =1903+097 17 35 39 53.3 140.3 -1.5 -29.5 131 2520 06 52 31 Schedule for YEBES40M (Code Ys ) 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 17 35 39 53.1 136.1 -1.7 -32.5 -19 2520 No stop 06 58 30 --- 17 39 09 53.5 137.3 -1.6 -31.7 191 2574 06 55 01 06 59 10 J1905+0952 17 39 50 53.8 141.9 -1.4 -28.5 21 2574 06 59 10 07 01 00 =1903+097 17 41 40 54.1 142.5 -1.4 -28.0 110 2602 06 59 11 07 01 00 GRS1915 17 41 40 53.8 138.2 -1.6 -31.1 -19 2602 No stop 07 04 30 --- 17 45 10 54.3 139.4 -1.5 -30.2 191 2656 07 01 01 07 04 30 J1905+0952 17 45 10 54.5 143.9 -1.4 -27.1 -19 2656 No stop 07 07 00 =1903+097 17 47 41 54.7 144.8 -1.3 -26.4 131 2695 07 04 31 07 07 00 GRS1915 17 47 41 54.6 140.4 -1.5 -29.6 -19 2695 No stop 07 10 30 --- 17 51 11 55.0 141.7 -1.4 -28.7 191 2749 07 07 01 07 11 10 J1905+0952 17 51 51 55.2 146.4 -1.2 -25.3 20 2749 07 11 10 07 13 00 =1903+097 17 53 42 55.4 147.1 -1.2 -24.8 110 2777 07 11 11 07 13 00 GRS1915 17 53 42 55.3 142.6 -1.4 -28.0 -20 2777 No stop 07 16 30 --- 17 57 12 55.7 144.0 -1.3 -27.1 190 2831 07 13 01 07 16 30 J1905+0952 17 57 12 55.7 148.5 -1.2 -23.8 -20 2831 No stop 07 19 00 =1903+097 17 59 43 56.0 149.5 -1.1 -23.0 130 2870 07 16 31 07 19 00 GRS1915 17 59 43 56.0 144.9 -1.3 -26.4 -20 2870 No stop 07 22 30 --- 18 03 13 56.4 146.3 -1.2 -25.4 190 2924 07 19 01 07 23 10 J1905+0952 18 03 53 56.4 151.3 -1.0 -21.8 20 2924 07 23 10 07 25 00 =1903+097 18 05 44 56.5 152.0 -1.0 -21.2 110 2953 07 23 11 07 25 00 GRS1915 18 05 44 56.6 147.3 -1.2 -24.7 -20 2953 No stop 07 28 30 --- 18 09 14 57.0 148.8 -1.1 -23.7 190 3007 07 25 01 07 28 30 J1905+0952 18 09 14 56.8 153.5 -1.0 -20.1 -20 3007 No stop 07 31 00 =1903+097 18 11 45 57.0 154.6 -0.9 -19.4 130 3045 07 28 31 07 31 00 GRS1915 18 11 45 57.2 149.8 -1.1 -22.9 -20 3045 No stop 07 34 30 --- 18 15 15 57.5 151.3 -1.0 -21.8 190 3099 07 31 01 07 35 10 J1905+0952 18 15 55 57.4 156.4 -0.8 -18.0 20 3099 07 35 10 07 37 00 =1903+097 18 17 46 57.5 157.2 -0.8 -17.4 110 3128 07 35 11 07 37 00 J1913+0932 18 17 46 56.6 154.0 -0.9 -19.7 -18 3128 No stop 07 39 30 --- 18 20 16 56.8 155.1 -0.9 -19.0 132 3166 07 37 01 Schedule for YEBES40M (Code Ys ) Page 7 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 07 40 00 J1800+3848 18 20 46 85.8 247.1 0.3 64.0 -78 3166 07 40 00 07 45 00 =1758+388 18 25 47 84.9 252.1 0.4 68.1 222 3244 07 40 01 07 45 40 J1905+0952 18 26 27 58.1 161.0 -0.7 -14.5 -66 3244 07 45 40 07 47 40 =1903+097 18 28 27 58.2 161.9 -0.6 -13.9 54 3275 07 45 41 07 47 40 GRS1915 18 28 27 58.6 157.1 -0.8 -17.6 -20 3275 No stop 07 51 10 --- 18 31 58 58.9 158.6 -0.7 -16.4 190 3329 07 47 41 07 51 10 J1905+0952 18 31 58 58.4 163.5 -0.6 -12.6 -20 3329 No stop 07 53 40 =1903+097 18 34 28 58.6 164.7 -0.5 -11.8 130 3367 07 51 11 07 53 40 GRS1915 18 34 28 59.1 159.8 -0.7 -15.5 -20 3367 No stop 07 57 10 --- 18 37 59 59.3 161.4 -0.6 -14.3 190 3421 07 53 41 07 57 50 J1905+0952 18 38 39 58.8 166.6 -0.5 -10.3 20 3421 07 57 50 07 59 40 =1903+097 18 40 29 58.8 167.5 -0.4 -9.6 110 3450 07 57 51 07 59 40 GRS1915 18 40 29 59.4 162.6 -0.6 -13.4 -20 3450 No stop 08 03 10 --- 18 44 00 59.6 164.2 -0.5 -12.1 190 3504 07 59 41 08 03 10 J1905+0952 18 44 00 59.0 169.1 -0.4 -8.4 -20 3504 No stop 08 05 40 =1903+097 18 46 30 59.1 170.3 -0.3 -7.5 130 3543 08 03 11 08 05 40 GRS1915 18 46 30 59.7 165.4 -0.5 -11.2 -20 3543 No stop 08 09 10 --- 18 50 01 59.9 167.1 -0.4 -9.9 190 3597 08 05 41 08 09 50 J1905+0952 18 50 41 59.2 172.3 -0.3 -5.9 20 3597 08 09 50 08 11 40 =1903+097 18 52 31 59.2 173.2 -0.2 -5.2 110 3625 08 09 51 08 11 40 GRS1915 18 52 31 60.0 168.3 -0.4 -9.0 -20 3625 No stop 08 15 10 --- 18 56 02 60.1 170.0 -0.3 -7.7 190 3679 08 11 41 08 15 10 J1905+0952 18 56 02 59.3 174.9 -0.2 -3.9 -20 3679 No stop 08 17 40 =1903+097 18 58 32 59.3 176.1 -0.1 -3.0 130 3718 08 15 11 08 17 40 GRS1915 18 58 32 60.2 171.3 -0.3 -6.7 -20 3718 No stop 08 21 10 --- 19 02 03 60.3 173.0 -0.2 -5.4 190 3772 08 17 41 08 21 50 J1905+0952 19 02 43 59.4 178.1 -0.1 -1.5 20 3772 08 21 50 08 23 40 =1903+097 19 04 33 59.4 179.0 -0.0 -0.8 110 3800 08 21 51 08 23 40 GRS1915 19 04 33 60.3 174.2 -0.2 -4.5 -20 3800 No stop 08 27 10 --- 19 08 04 60.4 176.0 -0.1 -3.1 190 3854 08 23 41 Schedule for YEBES40M (Code Ys ) Page 8 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 08 27 10 J1905+0952 19 08 04 59.4 180.7 0.0 0.5 -20 3854 No stop 08 29 40 =1903+097 19 10 34 59.4 181.9 0.1 1.5 130 3893 08 27 11 08 29 40 GRS1915 19 10 34 60.4 177.2 -0.1 -2.2 -20 3893 No stop 08 33 10 --- 19 14 05 60.5 179.0 -0.0 -0.8 190 3947 08 29 41 08 33 50 J1905+0952 19 14 45 59.3 183.9 0.1 3.0 20 3947 08 33 50 08 35 40 =1903+097 19 16 35 59.3 184.8 0.2 3.7 110 3975 08 33 51 08 35 40 J1913+0932 19 16 35 59.1 181.1 0.0 0.8 -19 3975 No stop 08 38 10 --- 19 19 06 59.0 182.3 0.1 1.7 131 4014 08 35 41 08 38 50 J1905+0952 19 19 46 59.2 186.3 0.2 4.9 21 4014 08 38 50 08 40 50 =1903+097 19 21 46 59.2 187.3 0.3 5.6 120 4045 08 38 51 08 40 50 GRS1915 19 21 46 60.4 182.8 0.1 2.2 -19 4045 No stop 08 44 20 --- 19 25 17 60.4 184.5 0.2 3.5 191 4099 08 40 51 08 44 20 J1905+0952 19 25 17 59.1 189.0 0.3 6.9 -19 4099 No stop 08 46 50 =1903+097 19 27 47 59.0 190.2 0.4 7.8 131 4138 08 44 21 08 46 50 GRS1915 19 27 47 60.3 185.8 0.2 4.5 -19 4138 No stop 08 50 20 --- 19 31 18 60.3 187.5 0.3 5.8 191 4192 08 46 51 08 51 00 J1905+0952 19 31 58 58.9 192.1 0.4 9.3 21 4192 08 51 00 08 52 50 =1903+097 19 33 48 58.8 193.0 0.5 10.0 110 4220 08 51 01 08 52 50 GRS1915 19 33 48 60.2 188.7 0.3 6.8 -19 4220 No stop 08 56 20 --- 19 37 19 60.1 190.5 0.4 8.1 191 4274 08 52 51 08 56 20 J1905+0952 19 37 19 58.6 194.6 0.5 11.2 -19 4274 No stop 08 58 50 =1903+097 19 39 49 58.5 195.8 0.6 12.1 131 4313 08 56 21 08 58 50 GRS1915 19 39 49 60.0 191.7 0.4 9.0 -19 4313 No stop 09 02 20 --- 19 43 20 59.9 193.4 0.5 10.3 191 4367 08 58 51 09 03 00 J1905+0952 19 44 00 58.3 197.7 0.6 13.6 21 4367 09 03 00 09 04 50 =1903+097 19 45 50 58.2 198.5 0.7 14.2 110 4395 09 03 01 09 04 50 GRS1915 19 45 50 59.7 194.6 0.5 11.2 -19 4395 No stop 09 08 20 --- 19 49 21 59.6 196.2 0.6 12.5 191 4449 09 04 51 09 08 20 J1905+0952 19 49 21 57.9 200.1 0.7 15.4 -19 4449 No stop 09 10 50 =1903+097 19 51 51 57.8 201.2 0.8 16.2 131 4488 09 08 21 Schedule for YEBES40M (Code Ys ) Page 9 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 09 10 50 GRS1915 19 51 51 59.4 197.4 0.6 13.4 -19 4488 No stop 09 14 20 --- 19 55 22 59.2 199.1 0.7 14.6 191 4542 09 10 51 09 15 00 J1905+0952 19 56 02 57.5 203.1 0.8 17.6 21 4542 09 15 00 09 16 50 =1903+097 19 57 52 57.3 203.9 0.9 18.2 110 4571 09 15 01 09 16 50 GRS1915 19 57 52 59.1 200.2 0.7 15.5 -19 4571 No stop 09 20 20 --- 20 01 23 58.8 201.8 0.8 16.7 191 4625 09 16 51 09 20 20 J1905+0952 20 01 23 57.1 205.4 0.9 19.3 -19 4625 No stop 09 22 50 =1903+097 20 03 53 56.9 206.4 1.0 20.1 131 4663 09 20 21 09 22 50 GRS1915 20 03 53 58.6 202.9 0.8 17.6 -18 4663 No stop 09 26 20 --- 20 07 24 58.4 204.5 0.9 18.7 192 4717 09 22 51 09 27 00 J1905+0952 20 08 04 56.5 208.2 1.0 21.4 22 4717 09 27 00 09 28 50 =1903+097 20 09 54 56.3 209.0 1.1 21.9 110 4746 09 27 01 09 28 50 J1913+0932 20 09 54 56.7 205.5 0.9 19.4 -18 4746 No stop 09 31 20 --- 20 12 25 56.5 206.6 1.0 20.2 132 4784 09 28 51 09 32 00 J1905+0952 20 13 05 56.0 210.3 1.1 22.9 22 4784 09 32 00 09 34 00 =1903+097 20 15 05 55.8 211.1 1.1 23.5 120 4815 09 32 01 09 34 00 GRS1915 20 15 05 57.7 207.9 1.0 21.2 -18 4815 No stop 09 37 30 --- 20 18 36 57.4 209.4 1.0 22.3 192 4869 09 34 01 09 37 30 J1905+0952 20 18 36 55.5 212.5 1.2 24.5 -18 4869 No stop 09 40 00 =1903+097 20 21 06 55.2 213.5 1.2 25.2 132 4908 09 37 31 09 40 00 GRS1915 20 21 06 57.2 210.4 1.1 23.1 -18 4908 No stop 09 43 30 --- 20 24 36 56.8 211.9 1.1 24.1 192 4962 09 40 01 09 44 10 J1905+0952 20 25 17 54.8 215.1 1.3 26.3 22 4962 09 44 10 09 46 10 =1903+097 20 27 17 54.6 215.8 1.3 26.9 120 4993 09 44 11 09 46 10 GRS1915 20 27 17 56.5 212.9 1.2 24.9 -18 4993 No stop 09 49 40 --- 20 30 48 56.2 214.3 1.2 25.9 192 5047 09 46 11 09 49 40 J1905+0952 20 30 48 54.2 217.1 1.4 27.8 -18 5047 No stop 09 52 10 =1903+097 20 33 18 53.9 218.1 1.4 28.4 132 5086 09 49 41 09 52 10 GRS1915 20 33 18 55.9 215.3 1.3 26.6 -18 5086 No stop 09 55 40 --- 20 36 48 55.5 216.7 1.3 27.6 192 5140 09 52 11 Schedule for YEBES40M (Code Ys ) Page 10 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 09 56 20 J1905+0952 20 37 29 53.4 219.6 1.5 29.5 22 5140 09 56 20 09 58 20 =1903+097 20 39 29 53.1 220.3 1.5 29.9 120 5171 09 56 21 09 58 20 GRS1915 20 39 29 55.2 217.7 1.4 28.3 -18 5171 No stop 10 01 50 --- 20 43 00 54.8 219.0 1.4 29.2 192 5225 09 58 21 10 01 50 J1905+0952 20 43 00 52.7 221.5 1.6 30.8 -18 5225 No stop 10 04 20 =1903+097 20 45 30 52.4 222.4 1.6 31.4 132 5264 10 01 51 10 04 20 GRS1915 20 45 30 54.5 220.0 1.5 29.8 -17 5264 No stop 10 07 50 --- 20 49 00 54.1 221.2 1.5 30.7 193 5318 10 04 21 10 08 30 J1905+0952 20 49 41 51.8 223.8 1.7 32.3 23 5318 10 08 30 10 10 30 =1903+097 20 51 41 51.6 224.5 1.8 32.7 120 5349 10 08 31 10 10 30 GRS1915 20 51 41 53.7 222.2 1.6 31.3 -17 5349 No stop 10 14 00 --- 20 55 12 53.3 223.4 1.7 32.2 193 5403 10 10 31 10 14 00 J1905+0952 20 55 12 51.1 225.7 1.8 33.5 -17 5403 No stop 10 16 30 =1903+097 20 57 42 50.7 226.5 1.9 34.0 133 5441 10 14 01 10 16 30 GRS1915 20 57 42 52.9 224.3 1.7 32.7 -17 5441 No stop 10 20 00 --- 21 01 12 52.5 225.5 1.8 33.5 193 5495 10 16 31 10 20 40 J1905+0952 21 01 53 50.2 227.8 1.9 34.9 23 5495 10 20 40 10 22 40 =1903+097 21 03 53 49.9 228.4 2.0 35.3 120 5526 10 20 41 10 22 40 J1913+0932 21 03 53 50.7 225.7 1.8 33.5 -18 5526 No stop 10 25 10 --- 21 06 23 50.3 226.5 1.9 34.0 132 5565 10 22 41 10 25 50 J1905+0952 21 07 03 49.4 229.4 2.0 35.9 22 5565 10 25 50 10 27 50 =1903+097 21 09 04 49.1 230.0 2.0 36.3 120 5596 10 25 51 10 27 50 GRS1915 21 09 04 51.4 228.1 1.9 35.2 -17 5596 No stop 10 31 20 --- 21 12 34 50.9 229.2 1.9 35.9 193 5650 10 27 51 10 31 20 J1905+0952 21 12 34 48.6 231.1 2.1 36.9 -17 5650 No stop 10 33 50 =1903+097 21 15 05 48.2 231.8 2.1 37.3 133 5689 10 31 21 10 33 50 GRS1915 21 15 05 50.5 230.0 2.0 36.4 -17 5689 No stop 10 37 20 --- 21 18 35 50.0 231.0 2.0 37.0 193 5743 10 33 51 10 38 00 J1905+0952 21 19 15 47.6 233.1 2.2 38.1 23 5743 10 38 00 10 40 00 =1903+097 21 21 16 47.3 233.6 2.2 38.4 120 5774 10 38 01 Schedule for YEBES40M (Code Ys ) Page 11 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 10 40 00 GRS1915 21 21 16 49.6 231.8 2.1 37.5 -17 5774 No stop 10 43 30 --- 21 24 46 49.1 232.9 2.1 38.1 193 5828 10 40 01 10 43 30 J1905+0952 21 24 46 46.8 234.6 2.3 39.0 -17 5828 No stop 10 46 00 =1903+097 21 27 17 46.4 235.3 2.3 39.4 133 5866 10 43 31 10 46 00 GRS1915 21 27 17 48.7 233.6 2.2 38.6 -17 5866 No stop 10 49 30 --- 21 30 47 48.1 234.6 2.2 39.2 193 5921 10 46 01 10 50 10 J1905+0952 21 31 27 45.7 236.5 2.4 40.0 23 5921 10 50 10 10 52 10 =1903+097 21 33 28 45.4 237.0 2.4 40.3 120 5951 10 50 11 10 52 10 GRS1915 21 33 28 47.7 235.4 2.3 39.6 -17 5951 No stop 10 55 40 --- 21 36 58 47.2 236.4 2.3 40.1 193 6006 10 52 11 10 55 40 J1905+0952 21 36 58 44.8 237.9 2.5 40.8 -17 6006 No stop 10 58 10 =1903+097 21 39 29 44.4 238.6 2.5 41.2 133 6044 10 55 41 10 58 10 GRS1915 21 39 29 46.8 237.1 2.4 40.5 -17 6044 No stop 11 01 40 --- 21 42 59 46.2 238.0 2.4 41.0 193 6098 10 58 11 11 02 20 J1905+0952 21 43 39 43.8 239.6 2.6 41.7 23 6098 11 02 20 11 04 20 =1903+097 21 45 40 43.4 240.2 2.7 42.0 120 6129 11 02 21 11 04 20 J1913+0932 21 45 40 44.4 237.9 2.5 40.8 -17 6129 No stop 11 06 50 --- 21 48 10 44.0 238.5 2.6 41.1 133 6168 11 04 21 11 07 30 J1905+0952 21 48 50 42.9 241.0 2.7 42.4 23 6168 11 07 30 11 09 30 =1903+097 21 50 51 42.6 241.4 2.7 42.7 120 6199 11 07 31 11 09 30 GRS1915 21 50 51 44.9 240.1 2.6 42.1 -17 6199 No stop 11 13 00 --- 21 54 21 44.4 241.0 2.6 42.6 193 6253 11 09 31 11 13 00 J1905+0952 21 54 21 42.0 242.3 2.8 43.1 -17 6253 No stop 11 15 30 =1903+097 21 56 52 41.6 242.9 2.8 43.4 133 6292 11 13 01 11 15 30 GRS1915 21 56 52 43.9 241.6 2.7 42.9 -17 6292 No stop 11 19 00 --- 22 00 22 43.4 242.5 2.7 43.4 193 6346 11 15 31 11 19 40 J1905+0952 22 01 02 40.8 243.9 2.9 43.9 23 6346 11 19 40 11 21 40 =1903+097 22 03 03 40.5 244.4 2.9 44.1 120 6377 11 19 41 11 21 40 GRS1915 22 03 03 42.9 243.1 2.8 43.7 -17 6377 No stop 11 25 10 --- 22 06 33 42.3 244.0 2.8 44.1 193 6431 11 21 41 Schedule for YEBES40M (Code Ys ) Page 12 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Mar 2021 Day 64 --- 11 25 10 J1905+0952 22 06 33 39.9 245.2 3.0 44.5 -17 6431 No stop 11 27 40 =1903+097 22 09 04 39.5 245.7 3.0 44.7 133 6469 11 25 11 11 27 40 GRS1915 22 09 04 41.9 244.5 2.9 44.4 -17 6469 No stop 11 31 10 --- 22 12 34 41.3 245.4 2.9 44.7 193 6523 11 27 41 11 31 50 J1905+0952 22 13 14 38.7 246.7 3.1 45.1 23 6523 11 31 50 11 33 50 =1903+097 22 15 15 38.4 247.1 3.1 45.3 120 6554 11 31 51 11 33 50 GRS1915 22 15 15 40.8 246.0 3.0 45.0 -17 6554 No stop 11 37 20 --- 22 18 45 40.2 246.8 3.0 45.4 193 6608 11 33 51 11 37 20 J1905+0952 22 18 45 37.8 247.9 3.2 45.6 -17 6608 No stop 11 39 50 =1903+097 22 21 16 37.3 248.4 3.2 45.9 133 6647 11 37 21 11 39 50 GRS1915 22 21 16 39.8 247.3 3.1 45.6 -17 6647 No stop 11 43 20 --- 22 24 46 39.1 248.1 3.1 45.9 193 6701 11 39 51 11 44 00 J1905+0952 22 25 26 36.6 249.3 3.3 46.2 23 6701 11 44 00 11 46 00 =1903+097 22 27 27 36.2 249.8 3.3 46.4 120 6732 11 44 01 11 46 00 J1913+0932 22 27 27 37.4 247.8 3.2 45.5 -17 6732 No stop 11 48 30 --- 22 29 57 36.9 248.4 3.3 45.8 133 6771 11 46 01 11 49 10 J1905+0952 22 30 37 35.7 250.4 3.4 46.6 23 6771 11 49 10 11 52 40 =1903+097 22 34 08 35.0 251.2 3.5 46.9 210 6825 11 49 11 11 54 00 J2253+1608 22 35 28 65.4 168.7 -0.3 -8.9 -17 6825 11 54 00 12 00 00 =3C454.3 22 41 29 65.6 172.2 -0.2 -6.2 343 6918 11 54 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess121.C2048 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 8 Station: YEBES40M 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= 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 9 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= 672.49 672.49 672.49 672.49 736.49 736.49 736.49 736.49 800.49 800.49 800.49 800.49 864.49 864.49 864.49 864.49 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: 9 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