COVER INFORMATION Station: YEBES40M (Code Ys ) Experiment: Probing the radio jets in GRS1915+105 in a new puzzling accretion state Exp. Code: EM144C Schedule Version: 3.40 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: S.E.Motta Address: INAF - Osservatorio Astronomico di Brera Via E. Bianchi 46, I-23807 Merate Italy Phone: +39 3339445713 EMAIL: sara.motta@inaf.it Fax: Phone during observation: +39 3339445713 Observing mode: EVN, 6 GHz continuum Notes: Target (phase ref): GRS 1915+105 (J1905+0952) Fringe finders: J1800+3848, J2253+1608 Check source: J1913+0932 Schedule for 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 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 21 30 00 J1800+3848 14 59 08 55.3 77.7 -3.0 -72.4 0 0 21 30 00 21 35 00 =1758+388 15 04 09 56.3 78.2 -3.0 -72.7 300 77 21 30 01 21 37 00 J1905+0952 15 06 09 29.0 102.4 -4.0 -48.9 77 77 21 37 00 21 39 30 =1903+097 15 08 39 29.5 102.9 -4.0 -48.8 150 116 21 37 01 21 39 30 GRS1915 15 08 39 28.4 100.2 -4.1 -49.6 -18 116 No stop 21 43 00 --- 15 12 10 29.0 100.8 -4.1 -49.5 192 170 21 39 31 21 43 40 J1905+0952 15 12 50 30.2 103.7 -3.9 -48.6 22 170 21 43 40 21 45 30 =1903+097 15 14 40 30.6 104.0 -3.9 -48.5 110 198 21 43 41 21 45 30 GRS1915 15 14 40 29.5 101.3 -4.0 -49.4 -18 198 No stop 21 49 00 --- 15 18 11 30.2 101.9 -4.0 -49.2 192 252 21 45 31 21 49 00 J1905+0952 15 18 11 31.2 104.7 -3.8 -48.3 -18 252 No stop 21 51 30 =1903+097 15 20 41 31.7 105.2 -3.8 -48.1 132 291 21 49 01 21 51 30 GRS1915 15 20 41 30.6 102.4 -3.9 -49.1 -18 291 No stop 21 55 00 --- 15 24 12 31.3 103.1 -3.9 -49.0 192 345 21 51 31 21 55 40 J1905+0952 15 24 52 32.4 106.0 -3.7 -47.9 22 345 21 55 40 21 57 30 =1903+097 15 26 42 32.8 106.3 -3.7 -47.8 110 374 21 55 41 21 57 30 GRS1915 15 26 42 31.7 103.5 -3.8 -48.8 -18 374 No stop 22 01 00 --- 15 30 13 32.4 104.2 -3.8 -48.6 192 428 21 57 31 22 01 00 J1905+0952 15 30 13 33.4 107.0 -3.6 -47.5 -18 428 No stop 22 03 30 =1903+097 15 32 43 33.9 107.5 -3.6 -47.4 132 466 22 01 01 22 03 30 GRS1915 15 32 43 32.8 104.7 -3.7 -48.5 -18 466 No stop 22 07 00 --- 15 36 14 33.5 105.4 -3.7 -48.3 192 520 22 03 31 22 07 40 J1905+0952 15 36 54 34.6 108.4 -3.5 -47.1 22 520 22 07 40 22 09 30 =1903+097 15 38 44 34.9 108.8 -3.5 -46.9 110 549 22 07 41 22 09 30 GRS1915 15 38 44 34.0 105.9 -3.6 -48.1 -18 549 No stop 22 13 00 --- 15 42 15 34.6 106.6 -3.6 -47.9 192 603 22 09 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 22 13 00 J1905+0952 15 42 15 35.6 109.5 -3.4 -46.7 -18 603 No stop 22 15 30 =1903+097 15 44 45 36.0 110.0 -3.4 -46.5 132 642 22 13 01 22 15 30 GRS1915 15 44 45 35.0 107.1 -3.5 -47.7 -18 642 No stop 22 19 00 --- 15 48 16 35.7 107.8 -3.5 -47.5 192 696 22 15 31 22 19 40 J1905+0952 15 48 56 36.8 110.9 -3.3 -46.1 22 696 22 19 40 22 21 30 =1903+097 15 50 46 37.1 111.3 -3.3 -46.0 110 724 22 19 41 22 21 30 GRS1915 15 50 46 36.1 108.3 -3.4 -47.3 -18 724 No stop 22 25 00 --- 15 54 17 36.8 109.0 -3.4 -47.1 192 778 22 21 31 22 25 00 J1905+0952 15 54 17 37.7 112.0 -3.2 -45.7 -18 778 No stop 22 27 30 =1903+097 15 56 47 38.2 112.6 -3.2 -45.4 132 817 22 25 01 22 27 30 GRS1915 15 56 47 37.2 109.5 -3.3 -46.9 -18 817 No stop 22 31 00 --- 16 00 18 37.8 110.3 -3.3 -46.6 192 871 22 27 31 22 31 40 J1905+0952 16 00 58 38.9 113.5 -3.1 -45.0 22 871 22 31 40 22 33 30 =1903+097 16 02 48 39.2 113.9 -3.1 -44.9 110 899 22 31 41 22 33 30 J1913+0932 16 02 48 37.6 112.5 -3.2 -45.4 -17 899 No stop 22 37 00 --- 16 06 19 38.2 113.3 -3.1 -45.1 193 953 22 33 31 22 38 00 J1905+0952 16 07 19 40.0 114.9 -3.0 -44.4 43 953 22 38 00 22 40 30 =1903+097 16 09 49 40.4 115.5 -2.9 -44.1 150 992 22 38 01 22 40 30 GRS1915 16 09 49 39.5 112.4 -3.1 -45.7 -18 992 No stop 22 44 00 --- 16 13 20 40.1 113.2 -3.0 -45.4 192 1046 22 40 31 22 44 00 J1905+0952 16 13 20 41.0 116.3 -2.9 -43.7 -18 1046 No stop 22 46 30 =1903+097 16 15 50 41.4 116.9 -2.8 -43.5 132 1085 22 44 01 22 46 30 GRS1915 16 15 50 40.6 113.7 -3.0 -45.1 -18 1085 No stop 22 50 00 --- 16 19 21 41.2 114.5 -2.9 -44.8 192 1139 22 46 31 22 50 40 J1905+0952 16 20 01 42.2 117.9 -2.8 -43.0 22 1139 22 50 40 22 52 30 =1903+097 16 21 51 42.5 118.4 -2.7 -42.7 110 1167 22 50 41 22 52 30 GRS1915 16 21 51 41.6 115.1 -2.9 -44.5 -18 1167 No stop 22 56 00 --- 16 25 22 42.2 115.9 -2.8 -44.1 192 1221 22 52 31 22 56 00 J1905+0952 16 25 22 43.0 119.3 -2.7 -42.3 -18 1221 No stop 22 58 30 =1903+097 16 27 52 43.5 119.9 -2.6 -42.0 132 1260 22 56 01 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 22 58 30 GRS1915 16 27 52 42.7 116.5 -2.8 -43.8 -18 1260 No stop 23 02 00 --- 16 31 23 43.2 117.4 -2.7 -43.4 192 1314 22 58 31 23 02 40 J1905+0952 16 32 03 44.1 121.0 -2.6 -41.4 22 1314 23 02 40 23 04 30 =1903+097 16 33 53 44.4 121.4 -2.5 -41.2 110 1342 23 02 41 23 04 30 GRS1915 16 33 53 43.7 118.0 -2.7 -43.1 -18 1342 No stop 23 08 00 --- 16 37 24 44.3 118.9 -2.6 -42.7 192 1396 23 04 31 23 08 00 J1905+0952 16 37 24 45.0 122.4 -2.5 -40.7 -18 1396 No stop 23 10 30 =1903+097 16 39 54 45.4 123.0 -2.4 -40.3 132 1435 23 08 01 23 10 30 GRS1915 16 39 54 44.7 119.5 -2.6 -42.4 -18 1435 No stop 23 14 00 --- 16 43 25 45.3 120.4 -2.5 -41.9 192 1489 23 10 31 23 14 40 J1905+0952 16 44 05 46.1 124.1 -2.4 -39.7 21 1489 23 14 40 23 16 30 =1903+097 16 45 55 46.4 124.7 -2.3 -39.4 110 1517 23 14 41 23 16 30 GRS1915 16 45 55 45.7 121.1 -2.5 -41.5 -19 1517 No stop 23 20 00 --- 16 49 26 46.2 122.0 -2.4 -41.0 191 1572 23 16 31 23 20 00 J1905+0952 16 49 26 46.9 125.6 -2.3 -38.8 -19 1572 No stop 23 22 30 =1903+097 16 51 56 47.3 126.3 -2.2 -38.4 131 1610 23 20 01 23 22 30 GRS1915 16 51 56 46.6 122.7 -2.4 -40.7 -19 1610 No stop 23 26 00 --- 16 55 27 47.2 123.6 -2.3 -40.1 191 1664 23 22 31 23 26 40 J1905+0952 16 56 07 47.9 127.5 -2.2 -37.7 21 1664 23 26 40 23 28 30 =1903+097 16 57 57 48.2 128.1 -2.1 -37.4 110 1693 23 26 41 23 28 30 GRS1915 16 57 57 47.6 124.3 -2.3 -39.7 -19 1693 No stop 23 32 00 --- 17 01 28 48.1 125.3 -2.2 -39.2 191 1747 23 28 31 23 32 00 J1905+0952 17 01 28 48.7 129.1 -2.1 -36.8 -19 1747 No stop 23 34 30 =1903+097 17 03 58 49.1 129.9 -2.0 -36.3 131 1785 23 32 01 23 34 30 J1913+0932 17 03 58 47.7 127.9 -2.2 -37.5 -17 1785 No stop 23 38 00 --- 17 07 29 48.2 128.9 -2.1 -36.9 193 1840 23 34 31 23 39 00 J1905+0952 17 08 29 49.7 131.3 -2.0 -35.5 43 1840 23 39 00 23 41 30 =1903+097 17 10 59 50.1 132.0 -1.9 -35.0 150 1878 23 39 01 23 41 30 GRS1915 17 10 59 49.6 128.1 -2.1 -37.5 -19 1878 No stop 23 45 00 --- 17 14 30 50.1 129.2 -2.0 -36.9 191 1932 23 41 31 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 23 45 00 J1905+0952 17 14 30 50.6 133.1 -1.9 -34.3 -19 1932 No stop 23 47 30 =1903+097 17 17 00 50.9 134.0 -1.8 -33.7 131 1971 23 45 01 23 47 30 GRS1915 17 17 00 50.5 130.0 -2.0 -36.4 -19 1971 No stop 23 51 00 --- 17 20 31 51.0 131.1 -1.9 -35.7 191 2025 23 47 31 23 51 40 J1905+0952 17 21 11 51.5 135.3 -1.8 -32.9 21 2025 23 51 40 23 53 30 =1903+097 17 23 01 51.7 135.9 -1.7 -32.4 110 2053 23 51 41 23 53 30 GRS1915 17 23 01 51.3 131.9 -1.9 -35.2 -19 2053 No stop 23 57 00 --- 17 26 32 51.8 133.0 -1.8 -34.5 191 2107 23 53 31 23 57 00 J1905+0952 17 26 32 52.2 137.1 -1.7 -31.7 -19 2107 No stop 23 59 30 =1903+097 17 29 02 52.5 138.0 -1.6 -31.1 131 2146 23 57 01 --- Start: Wed 16 Jun 2021 Day 167 -- Stop: Thu 17 Jun 2021 Day 168 --- 23 59 30 GRS1915 17 29 02 52.2 133.8 -1.8 -34.0 -19 2146 No stop 00 03 00 --- 17 32 33 52.7 135.0 -1.7 -33.2 191 2200 23 59 31 00 03 40 J1905+0952 17 33 13 53.0 139.5 -1.6 -30.1 21 2200 00 03 40 00 05 30 =1903+097 17 35 03 53.3 140.1 -1.5 -29.7 110 2229 00 03 41 00 05 30 GRS1915 17 35 03 53.0 135.8 -1.7 -32.6 -19 2229 No stop 00 09 00 --- 17 38 34 53.4 137.1 -1.6 -31.8 191 2283 00 05 31 00 09 00 J1905+0952 17 38 34 53.7 141.4 -1.5 -28.8 -19 2283 No stop 00 11 30 =1903+097 17 41 04 54.0 142.3 -1.4 -28.2 131 2321 00 09 01 00 11 30 GRS1915 17 41 04 53.8 137.9 -1.6 -31.2 -19 2321 No stop 00 15 00 --- 17 44 35 54.2 139.2 -1.5 -30.4 191 2375 00 11 31 00 15 40 J1905+0952 17 45 15 54.5 143.9 -1.4 -27.1 21 2375 00 15 40 00 17 30 =1903+097 17 47 05 54.7 144.6 -1.3 -26.6 110 2404 00 15 41 00 17 30 GRS1915 17 47 05 54.5 140.1 -1.5 -29.8 -19 2404 No stop 00 21 00 --- 17 50 36 54.9 141.4 -1.4 -28.9 191 2458 00 17 31 00 21 00 J1905+0952 17 50 36 55.0 145.9 -1.3 -25.6 -20 2458 No stop 00 23 30 =1903+097 17 53 06 55.3 146.9 -1.2 -24.9 130 2497 00 21 01 00 23 30 GRS1915 17 53 06 55.2 142.4 -1.4 -28.2 -19 2497 No stop 00 27 00 --- 17 56 37 55.6 143.7 -1.3 -27.3 191 2551 00 23 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 00 27 40 J1905+0952 17 57 17 55.7 148.5 -1.2 -23.7 20 2551 00 27 40 00 29 30 =1903+097 17 59 07 55.9 149.3 -1.1 -23.2 110 2579 00 27 41 00 29 30 GRS1915 17 59 07 55.9 144.7 -1.3 -26.6 -20 2579 No stop 00 33 00 --- 18 02 38 56.3 146.1 -1.2 -25.6 190 2633 00 29 31 00 33 00 J1905+0952 18 02 38 56.3 150.7 -1.1 -22.2 -20 2633 No stop 00 35 30 =1903+097 18 05 08 56.5 151.7 -1.0 -21.4 130 2672 00 33 01 00 35 30 J1913+0932 18 05 08 55.5 148.8 -1.2 -23.5 -18 2672 No stop 00 39 00 --- 18 08 39 55.8 150.2 -1.1 -22.5 192 2726 00 35 31 00 40 00 J1905+0952 18 09 39 56.9 153.6 -1.0 -20.0 42 2726 00 40 00 00 42 30 =1903+097 18 12 09 57.1 154.7 -0.9 -19.2 150 2764 00 40 01 00 42 30 GRS1915 18 12 09 57.2 150.0 -1.1 -22.8 -20 2764 No stop 00 46 00 --- 18 15 40 57.6 151.4 -1.0 -21.7 190 2819 00 42 31 00 46 00 J1905+0952 18 15 40 57.4 156.2 -0.9 -18.1 -20 2819 No stop 00 48 30 =1903+097 18 18 10 57.5 157.3 -0.8 -17.3 130 2857 00 46 01 00 48 30 GRS1915 18 18 10 57.8 152.5 -1.0 -20.9 -20 2857 No stop 00 52 00 --- 18 21 41 58.1 154.0 -0.9 -19.8 190 2911 00 48 31 00 52 40 J1905+0952 18 22 21 57.8 159.2 -0.7 -15.9 20 2911 00 52 40 00 54 30 =1903+097 18 24 11 58.0 160.0 -0.7 -15.3 110 2940 00 52 41 00 54 30 GRS1915 18 24 11 58.3 155.1 -0.9 -19.0 -20 2940 No stop 00 58 00 --- 18 27 42 58.6 156.7 -0.8 -17.8 190 2994 00 54 31 00 58 00 J1905+0952 18 27 42 58.2 161.6 -0.6 -14.1 -20 2994 No stop 01 00 30 =1903+097 18 30 12 58.3 162.7 -0.6 -13.3 130 3032 00 58 01 01 00 30 GRS1915 18 30 12 58.8 157.8 -0.8 -17.0 -20 3032 No stop 01 04 00 --- 18 33 43 59.0 159.4 -0.7 -15.8 190 3087 01 00 31 01 04 40 J1905+0952 18 34 23 58.6 164.6 -0.5 -11.8 20 3087 01 04 40 01 06 30 =1903+097 18 36 13 58.6 165.5 -0.5 -11.2 110 3115 01 04 41 01 06 30 GRS1915 18 36 13 59.2 160.6 -0.7 -14.9 -20 3115 No stop 01 10 00 --- 18 39 44 59.4 162.2 -0.6 -13.7 190 3169 01 06 31 01 10 00 J1905+0952 18 39 44 58.8 167.1 -0.4 -9.9 -20 3169 No stop 01 12 30 =1903+097 18 42 14 58.9 168.3 -0.4 -9.0 130 3208 01 10 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 01 12 30 GRS1915 18 42 14 59.5 163.4 -0.6 -12.8 -20 3208 No stop 01 16 00 --- 18 45 45 59.7 165.1 -0.5 -11.5 190 3262 01 12 31 01 16 40 J1905+0952 18 46 25 59.0 170.3 -0.3 -7.5 20 3262 01 16 40 01 18 30 =1903+097 18 48 15 59.1 171.1 -0.3 -6.8 110 3290 01 16 41 01 18 30 GRS1915 18 48 15 59.8 166.3 -0.5 -10.6 -20 3290 No stop 01 22 00 --- 18 51 46 60.0 167.9 -0.4 -9.3 190 3344 01 18 31 01 22 00 J1905+0952 18 51 46 59.2 172.8 -0.2 -5.5 -20 3344 No stop 01 24 30 =1903+097 18 54 16 59.3 174.0 -0.2 -4.6 130 3383 01 22 01 01 24 30 GRS1915 18 54 16 60.1 169.2 -0.4 -8.4 -20 3383 No stop 01 28 00 --- 18 57 47 60.2 170.9 -0.3 -7.1 190 3437 01 24 31 01 28 40 J1905+0952 18 58 27 59.3 176.0 -0.1 -3.1 20 3437 01 28 40 01 30 30 =1903+097 19 00 17 59.3 176.9 -0.1 -2.4 110 3465 01 28 41 01 30 30 GRS1915 19 00 17 60.2 172.1 -0.3 -6.1 -20 3465 No stop 01 34 00 --- 19 03 48 60.3 173.8 -0.2 -4.8 190 3519 01 30 31 01 34 40 J1905+0952 19 04 28 59.4 178.9 -0.0 -0.8 20 3519 01 34 40 01 36 30 =1903+097 19 06 18 59.4 179.8 -0.0 -0.1 110 3548 01 34 41 01 36 30 J1913+0932 19 06 18 59.0 176.1 -0.1 -3.0 -19 3548 No stop 01 39 00 --- 19 08 49 59.0 177.3 -0.1 -2.1 131 3586 01 36 31 01 39 00 J1905+0952 19 08 49 59.4 181.0 0.0 0.8 -19 3586 No stop 01 41 30 =1903+097 19 11 19 59.4 182.2 0.1 1.7 131 3625 01 39 01 01 42 00 J1800+3848 19 11 49 76.3 268.5 1.2 77.2 -71 3625 01 42 00 01 47 00 =1758+388 19 16 50 75.4 269.4 1.3 77.3 229 3702 01 42 01 01 49 00 J1905+0952 19 18 50 59.3 185.9 0.2 4.5 21 3702 01 49 00 01 51 30 =1903+097 19 21 21 59.2 187.1 0.2 5.4 150 3741 01 49 01 01 51 30 GRS1915 19 21 21 60.4 182.6 0.1 2.0 -19 3741 No stop 01 55 00 --- 19 24 51 60.4 184.3 0.1 3.3 191 3795 01 51 31 01 55 00 J1905+0952 19 24 51 59.1 188.7 0.3 6.7 -19 3795 No stop 01 57 30 =1903+097 19 27 22 59.0 189.9 0.3 7.6 131 3834 01 55 01 01 57 30 GRS1915 19 27 22 60.4 185.5 0.2 4.3 -19 3834 No stop 02 01 00 --- 19 30 52 60.3 187.3 0.2 5.6 191 3888 01 57 31 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 02 01 40 J1905+0952 19 31 32 58.9 191.9 0.4 9.2 21 3888 02 01 40 02 03 30 =1903+097 19 33 23 58.8 192.8 0.4 9.8 110 3916 02 01 41 02 03 30 GRS1915 19 33 23 60.2 188.5 0.3 6.6 -19 3916 No stop 02 07 00 --- 19 36 53 60.1 190.2 0.3 7.9 191 3970 02 03 31 02 07 00 J1905+0952 19 36 53 58.7 194.4 0.5 11.1 -19 3970 No stop 02 09 30 =1903+097 19 39 24 58.5 195.6 0.5 12.0 131 4009 02 07 01 02 09 30 GRS1915 19 39 24 60.0 191.4 0.4 8.8 -19 4009 No stop 02 13 00 --- 19 42 54 59.9 193.1 0.4 10.1 191 4063 02 09 31 02 13 40 J1905+0952 19 43 34 58.3 197.5 0.6 13.4 21 4063 02 13 40 02 15 30 =1903+097 19 45 25 58.2 198.3 0.6 14.0 110 4091 02 13 41 02 15 30 GRS1915 19 45 25 59.8 194.3 0.5 11.1 -19 4091 No stop 02 19 00 --- 19 48 55 59.6 196.0 0.5 12.3 191 4145 02 15 31 02 19 00 J1905+0952 19 48 55 58.0 199.9 0.7 15.2 -19 4145 No stop 02 21 30 =1903+097 19 51 26 57.8 201.0 0.7 16.1 131 4184 02 19 01 02 21 30 GRS1915 19 51 26 59.5 197.2 0.6 13.2 -19 4184 No stop 02 25 00 --- 19 54 56 59.2 198.8 0.6 14.5 191 4238 02 21 31 02 25 40 J1905+0952 19 55 36 57.5 202.9 0.8 17.4 21 4238 02 25 40 02 27 30 =1903+097 19 57 27 57.4 203.7 0.8 18.0 110 4266 02 25 41 02 27 30 GRS1915 19 57 27 59.1 200.0 0.7 15.4 -19 4266 No stop 02 31 00 --- 20 00 57 58.9 201.6 0.7 16.6 191 4321 02 27 31 02 31 00 J1905+0952 20 00 57 57.1 205.2 0.9 19.2 -19 4321 No stop 02 33 30 =1903+097 20 03 28 56.9 206.2 0.9 20.0 131 4359 02 31 01 02 33 30 GRS1915 20 03 28 58.7 202.7 0.8 17.4 -18 4359 No stop 02 37 00 --- 20 06 58 58.4 204.3 0.8 18.6 192 4413 02 33 31 02 37 40 J1905+0952 20 07 38 56.5 208.0 1.0 21.2 22 4413 02 37 40 02 39 30 =1903+097 20 09 29 56.4 208.8 1.0 21.8 110 4442 02 37 41 02 39 30 GRS1915 20 09 29 58.2 205.4 0.9 19.4 -18 4442 No stop 02 43 00 --- 20 12 59 57.9 206.9 0.9 20.5 192 4496 02 39 31 02 43 00 J1905+0952 20 12 59 56.0 210.2 1.1 22.8 -18 4496 No stop 02 45 30 =1903+097 20 15 30 55.8 211.2 1.1 23.6 132 4534 02 43 01 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 02 45 30 J1913+0932 20 15 30 56.2 207.8 1.0 21.1 -18 4534 No stop 02 49 00 --- 20 19 00 55.9 209.3 1.1 22.2 192 4589 02 45 31 02 50 00 J1905+0952 20 20 00 55.3 213.0 1.2 24.9 42 4589 02 50 00 02 52 30 =1903+097 20 22 31 55.1 214.0 1.3 25.6 150 4627 02 50 01 02 52 30 GRS1915 20 22 31 57.0 211.0 1.1 23.5 -18 4627 No stop 02 56 00 --- 20 26 01 56.7 212.4 1.2 24.5 192 4681 02 52 31 02 56 00 J1905+0952 20 26 01 54.7 215.3 1.3 26.5 -18 4681 No stop 02 58 30 =1903+097 20 28 32 54.4 216.3 1.4 27.2 132 4720 02 56 01 02 58 30 GRS1915 20 28 32 56.4 213.4 1.2 25.2 -18 4720 No stop 03 02 00 --- 20 32 02 56.0 214.8 1.3 26.2 192 4774 02 58 31 03 02 40 J1905+0952 20 32 42 53.9 217.8 1.4 28.3 22 4774 03 02 40 03 04 30 =1903+097 20 34 33 53.7 218.5 1.5 28.7 110 4802 03 02 41 03 04 30 GRS1915 20 34 33 55.8 215.8 1.3 26.9 -18 4802 No stop 03 08 00 --- 20 38 03 55.4 217.2 1.4 27.9 192 4856 03 04 31 03 08 00 J1905+0952 20 38 03 53.3 219.8 1.5 29.6 -18 4856 No stop 03 10 30 =1903+097 20 40 34 53.0 220.7 1.6 30.2 132 4895 03 08 01 03 10 30 GRS1915 20 40 34 55.1 218.1 1.4 28.5 -18 4895 No stop 03 14 00 --- 20 44 04 54.7 219.4 1.5 29.4 192 4949 03 10 31 03 14 40 J1905+0952 20 44 44 52.5 222.1 1.6 31.2 22 4949 03 14 40 03 16 30 =1903+097 20 46 35 52.2 222.8 1.7 31.6 110 4978 03 14 41 03 16 30 GRS1915 20 46 35 54.4 220.3 1.5 30.1 -17 4978 No stop 03 20 00 --- 20 50 05 53.9 221.6 1.6 30.9 193 5032 03 16 31 03 20 00 J1905+0952 20 50 05 51.8 224.0 1.7 32.4 -17 5032 No stop 03 22 30 =1903+097 20 52 36 51.4 224.8 1.8 32.9 133 5070 03 20 01 03 22 30 GRS1915 20 52 36 53.6 222.5 1.6 31.5 -17 5070 No stop 03 26 00 --- 20 56 06 53.2 223.7 1.7 32.4 193 5124 03 22 31 03 26 40 J1905+0952 20 56 46 50.9 226.2 1.8 33.8 23 5124 03 26 40 03 28 30 =1903+097 20 58 37 50.6 226.8 1.9 34.2 110 5153 03 26 41 03 28 30 GRS1915 20 58 37 52.8 224.6 1.7 32.9 -17 5153 No stop 03 32 00 --- 21 02 07 52.3 225.8 1.8 33.7 193 5207 03 28 31 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 03 32 00 J1905+0952 21 02 07 50.1 227.9 1.9 34.9 -17 5207 No stop 03 34 30 =1903+097 21 04 38 49.8 228.7 2.0 35.4 133 5246 03 32 01 03 34 30 GRS1915 21 04 38 52.0 226.6 1.8 34.2 -17 5246 No stop 03 38 00 --- 21 08 08 51.5 227.7 1.9 35.0 193 5300 03 34 31 03 38 40 J1905+0952 21 08 48 49.2 229.9 2.0 36.2 23 5300 03 38 40 03 40 30 =1903+097 21 10 39 48.9 230.5 2.1 36.5 110 5328 03 38 41 03 40 30 GRS1915 21 10 39 51.2 228.5 1.9 35.5 -17 5328 No stop 03 44 00 --- 21 14 09 50.7 229.7 2.0 36.2 193 5382 03 40 31 03 44 00 J1905+0952 21 14 09 48.4 231.6 2.1 37.2 -17 5382 No stop 03 46 30 =1903+097 21 16 40 48.0 232.3 2.2 37.6 133 5421 03 44 01 03 46 30 J1913+0932 21 16 40 48.9 229.7 2.0 36.0 -18 5421 No stop 03 50 00 --- 21 20 10 48.4 230.8 2.1 36.7 192 5475 03 46 31 03 51 00 J1905+0952 21 21 10 47.3 233.6 2.2 38.4 42 5475 03 51 00 03 53 30 =1903+097 21 23 41 46.9 234.3 2.3 38.8 150 5513 03 51 01 03 53 30 GRS1915 21 23 41 49.2 232.6 2.1 37.9 -17 5513 No stop 03 57 00 --- 21 27 11 48.7 233.6 2.2 38.5 193 5568 03 53 31 03 57 00 J1905+0952 21 27 11 46.4 235.3 2.3 39.4 -17 5568 No stop 03 59 30 =1903+097 21 29 42 46.0 236.0 2.4 39.7 133 5606 03 57 01 03 59 30 GRS1915 21 29 42 48.3 234.3 2.2 39.0 -17 5606 No stop 04 03 00 --- 21 33 12 47.8 235.3 2.3 39.5 193 5660 03 59 31 04 03 40 J1905+0952 21 33 52 45.3 237.1 2.5 40.4 23 5660 04 03 40 04 05 30 =1903+097 21 35 43 45.1 237.6 2.5 40.6 110 5689 04 03 41 04 05 30 GRS1915 21 35 43 47.4 236.0 2.3 39.9 -17 5689 No stop 04 09 00 --- 21 39 13 46.8 237.0 2.4 40.5 193 5743 04 05 31 04 09 00 J1905+0952 21 39 13 44.5 238.5 2.5 41.1 -17 5743 No stop 04 11 30 =1903+097 21 41 44 44.1 239.1 2.6 41.5 133 5781 04 09 01 04 11 30 GRS1915 21 41 44 46.4 237.7 2.4 40.9 -17 5781 No stop 04 15 00 --- 21 45 14 45.9 238.6 2.5 41.4 193 5836 04 11 31 04 15 40 J1905+0952 21 45 54 43.4 240.2 2.7 42.0 23 5836 04 15 40 04 17 30 =1903+097 21 47 45 43.1 240.7 2.7 42.3 110 5864 04 15 41 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 04 17 30 GRS1915 21 47 45 45.5 239.3 2.5 41.7 -17 5864 No stop 04 21 00 --- 21 51 15 44.9 240.2 2.6 42.2 193 5918 04 17 31 04 21 00 J1905+0952 21 51 15 42.5 241.5 2.7 42.7 -17 5918 No stop 04 23 30 =1903+097 21 53 46 42.1 242.1 2.8 43.0 133 5957 04 21 01 04 23 30 GRS1915 21 53 46 44.5 240.8 2.6 42.5 -17 5957 No stop 04 27 00 --- 21 57 16 43.9 241.7 2.7 43.0 193 6011 04 23 31 04 27 40 J1905+0952 21 57 56 41.4 243.2 2.9 43.5 23 6011 04 27 40 04 29 30 =1903+097 21 59 47 41.1 243.6 2.9 43.7 110 6039 04 27 41 04 29 30 GRS1915 21 59 47 43.5 242.3 2.7 43.3 -17 6039 No stop 04 33 00 --- 22 03 17 42.9 243.2 2.8 43.7 193 6093 04 29 31 04 33 00 J1905+0952 22 03 17 40.5 244.4 2.9 44.1 -17 6093 No stop 04 35 30 =1903+097 22 05 48 40.0 245.0 3.0 44.4 133 6132 04 33 01 04 35 30 GRS1915 22 05 48 42.4 243.8 2.8 44.0 -17 6132 No stop 04 39 00 --- 22 09 18 41.8 244.6 2.9 44.4 193 6186 04 35 31 04 39 40 J1905+0952 22 09 58 39.3 245.9 3.1 44.8 23 6186 04 39 40 04 41 30 =1903+097 22 11 49 39.0 246.4 3.1 45.0 110 6214 04 39 41 04 41 30 GRS1915 22 11 49 41.4 245.2 2.9 44.7 -17 6214 No stop 04 45 00 --- 22 15 19 40.8 246.0 3.0 45.0 193 6268 04 41 31 04 45 00 J1905+0952 22 15 19 38.4 247.1 3.1 45.3 -17 6268 No stop 04 47 30 =1903+097 22 17 50 37.9 247.7 3.2 45.5 133 6307 04 45 01 04 47 30 J1913+0932 22 17 50 39.1 245.7 3.1 44.6 -17 6307 No stop 04 51 00 --- 22 21 20 38.5 246.5 3.1 45.0 193 6361 04 47 31 04 52 00 J1905+0952 22 22 20 37.1 248.7 3.3 46.0 43 6361 04 52 00 04 54 30 =1903+097 22 24 51 36.7 249.2 3.3 46.2 150 6400 04 52 01 04 54 30 GRS1915 22 24 51 39.1 248.1 3.1 45.9 -17 6400 No stop 04 58 00 --- 22 28 21 38.5 248.9 3.2 46.3 193 6454 04 54 31 04 58 00 J1905+0952 22 28 21 36.1 249.9 3.4 46.5 -17 6454 No stop 05 00 30 =1903+097 22 30 52 35.6 250.5 3.4 46.7 133 6492 04 58 01 05 00 30 GRS1915 22 30 52 38.1 249.4 3.2 46.5 -17 6492 No stop 05 04 00 --- 22 34 22 37.4 250.2 3.3 46.8 193 6547 05 00 31 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 05 04 40 J1905+0952 22 35 02 34.9 251.3 3.5 47.0 23 6547 05 04 40 05 06 30 =1903+097 22 36 53 34.5 251.7 3.5 47.1 110 6575 05 04 41 05 06 30 GRS1915 22 36 53 37.0 250.7 3.3 47.0 -17 6575 No stop 05 10 00 --- 22 40 23 36.4 251.4 3.4 47.2 193 6629 05 06 31 05 10 00 J1905+0952 22 40 23 33.9 252.4 3.6 47.4 -17 6629 No stop 05 12 30 =1903+097 22 42 54 33.5 252.9 3.6 47.5 133 6668 05 10 01 05 12 30 GRS1915 22 42 54 35.9 252.0 3.4 47.4 -17 6668 No stop 05 16 00 --- 22 46 24 35.3 252.7 3.5 47.7 193 6722 05 12 31 05 16 40 J1905+0952 22 47 04 32.7 253.7 3.7 47.8 23 6722 05 16 40 05 18 30 =1903+097 22 48 55 32.4 254.1 3.7 47.9 110 6750 05 16 41 05 18 30 J1913+0932 22 48 55 33.6 252.3 3.6 47.3 -17 6750 No stop 05 21 00 --- 22 51 25 33.1 252.8 3.6 47.4 133 6789 05 18 31 05 21 00 J1905+0952 22 51 25 31.9 254.6 3.7 48.1 -17 6789 No stop 05 23 30 =1903+097 22 53 56 31.4 255.1 3.8 48.2 133 6827 05 21 01 05 23 30 J2253+1608 22 53 56 65.7 179.4 -0.0 -0.5 -90 6827 No stop 05 30 00 =3C454.3 23 00 27 65.7 183.2 0.1 2.5 300 6928 05 23 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.C2048 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 9 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: 10 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: 10 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * GRS1915 19 12 49.958613 * 19 15 11.544821 19 16 12.613599 0.00 GRS1915+105 10 51 26.57111 * 10 56 44.62477 10 58 57.34646 0.00 From catalog imbedded in main SCHED input file. * J1913+0932 19 11 00.869981 * 19 13 24.025348 19 14 25.756814 0.00 09 27 34.81592 * 09 32 45.37648 09 34 55.17469 0.00 From catalog imbedded in main SCHED input file. 1758+388 17 58 44.703954 * 18 00 24.765363 18 01 08.766849 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69748 38 48 27.99045 0.01 J1800+38 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 5095 observations. 1903+097 19 03 17.231910 * 19 05 39.898972 19 06 41.444755 0.13 * J1905+0952 09 47 30.15815 * 09 52 08.40750 09 54 04.60661 0.22 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 104 observations. 3C454.3 22 51 29.519739 * 22 53 57.747939 22 55 00.676644 0.65 * J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 33.13978 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline GRS1915 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 + 3.908 526.698 J1913+0932 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 + 0.433 53.886 J1800+3848 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 + 0.167 23.790 J1905+0952 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 + 2.853 368.153 J2253+1608 sess221.C2048 1 2 3 4 5 6 8 9 10 11 12 15 0.108 8.729 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) GRS1915 138.8 J1913+0932 140.2 J1800+3848 117.7 J1905+0952 140.9 J2253+1608 94.1 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg