COVER INFORMATION Station: HART (Code Hh ) 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 HART (Code Hh ) 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: 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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 16 43 15 22.8 16.4 -1.3 0.0 0 0 04 00 00 04 05 00 =1758+388 16 48 16 23.1 15.4 -1.2 0.0 300 77 04 00 01 04 07 00 J1905+0952 16 50 17 41.2 47.2 -2.3 0.0 35 77 04 07 00 04 09 30 =1903+097 16 52 47 41.6 46.6 -2.2 0.0 150 116 04 07 01 04 09 30 GRS1915 16 52 47 39.3 47.9 -2.4 0.0 -31 116 No stop 04 13 00 --- 16 56 18 39.8 47.1 -2.3 0.0 179 170 04 09 31 04 13 00 J1905+0952 16 56 18 42.2 45.7 -2.2 0.0 -32 170 No stop 04 15 30 =1903+097 16 58 48 42.6 45.1 -2.1 0.0 118 209 04 13 01 04 15 30 GRS1915 16 58 48 40.2 46.5 -2.3 0.0 -31 209 No stop 04 19 00 --- 17 02 19 40.8 45.7 -2.2 0.0 179 263 04 15 31 04 19 40 J1905+0952 17 02 59 43.3 44.0 -2.1 0.0 8 263 04 19 40 04 21 30 =1903+097 17 04 49 43.5 43.5 -2.0 0.0 110 291 04 19 41 04 21 30 GRS1915 17 04 49 41.2 45.0 -2.2 0.0 -31 291 No stop 04 25 00 --- 17 08 20 41.8 44.2 -2.1 0.0 179 345 04 21 31 04 25 00 J1905+0952 17 08 20 44.1 42.6 -2.0 0.0 -32 345 No stop 04 27 30 =1903+097 17 10 50 44.5 41.9 -1.9 0.0 118 384 04 25 01 04 27 30 GRS1915 17 10 50 42.2 43.5 -2.1 0.0 -31 384 No stop 04 31 00 --- 17 14 21 42.7 42.6 -2.0 0.0 179 438 04 27 31 04 31 40 J1905+0952 17 15 01 45.1 40.8 -1.9 0.0 8 438 04 31 40 04 33 30 =1903+097 17 16 51 45.4 40.3 -1.8 0.0 110 466 04 31 41 04 33 30 GRS1915 17 16 51 43.1 42.0 -2.0 0.0 -31 466 No stop 04 37 00 --- 17 20 21 43.6 41.0 -1.9 0.0 179 520 04 33 31 04 37 00 J1905+0952 17 20 21 45.9 39.2 -1.8 0.0 -32 520 No stop 04 39 30 =1903+097 17 22 52 46.2 38.5 -1.7 0.0 118 559 04 37 01 04 39 30 GRS1915 17 22 52 44.0 40.3 -1.9 0.0 -31 559 No stop 04 43 00 --- 17 26 22 44.5 39.4 -1.8 0.0 179 613 04 39 31 Schedule for HART (Code Hh ) 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 17 27 03 46.8 37.3 -1.7 0.0 8 613 04 43 40 04 45 30 =1903+097 17 28 53 47.0 36.7 -1.6 0.0 110 642 04 43 41 04 45 30 GRS1915 17 28 53 44.8 38.6 -1.8 0.0 -31 642 No stop 04 49 00 --- 17 32 23 45.3 37.6 -1.7 0.0 179 696 04 45 31 04 49 00 J1905+0952 17 32 23 47.5 35.7 -1.6 0.0 -32 696 No stop 04 51 30 =1903+097 17 34 54 47.8 34.9 -1.5 0.0 118 734 04 49 01 04 51 30 GRS1915 17 34 54 45.7 36.9 -1.7 0.0 -31 734 No stop 04 55 00 --- 17 38 24 46.1 35.9 -1.6 0.0 179 788 04 51 31 04 55 40 J1905+0952 17 39 05 48.4 33.6 -1.5 0.0 8 788 04 55 40 04 57 30 =1903+097 17 40 55 48.6 33.0 -1.4 0.0 110 817 04 55 41 04 57 30 J1913+0932 17 40 55 47.9 35.7 -1.6 0.0 -30 817 No stop 05 00 00 --- 17 43 25 48.2 34.9 -1.5 0.0 120 855 04 57 31 05 00 40 J1905+0952 17 44 05 49.0 31.9 -1.4 0.0 9 855 05 00 40 05 02 40 =1903+097 17 46 06 49.2 31.3 -1.3 0.0 120 886 05 00 41 05 02 40 GRS1915 17 46 06 47.1 33.5 -1.5 0.0 -31 886 No stop 05 06 10 --- 17 49 36 47.5 32.4 -1.4 0.0 179 940 05 02 41 05 06 10 J1905+0952 17 49 36 49.6 30.1 -1.3 0.0 -32 940 No stop 05 08 40 =1903+097 17 52 07 49.9 29.2 -1.2 0.0 118 979 05 06 11 05 08 40 GRS1915 17 52 07 47.8 31.6 -1.4 0.0 -31 979 No stop 05 12 10 --- 17 55 37 48.2 30.5 -1.3 0.0 179 1033 05 08 41 05 12 50 J1905+0952 17 56 17 50.3 27.8 -1.2 0.0 8 1033 05 12 50 05 14 40 =1903+097 17 58 08 50.5 27.2 -1.1 0.0 110 1061 05 12 51 05 14 40 GRS1915 17 58 08 48.5 29.7 -1.3 0.0 -31 1061 No stop 05 18 10 --- 18 01 38 48.9 28.5 -1.2 0.0 179 1116 05 14 41 05 18 10 J1905+0952 18 01 38 50.9 25.9 -1.1 0.0 -32 1116 No stop 05 20 40 =1903+097 18 04 09 51.1 25.0 -1.0 0.0 118 1154 05 18 11 05 20 40 GRS1915 18 04 09 49.2 27.7 -1.2 0.0 -31 1154 No stop 05 24 10 --- 18 07 39 49.5 26.5 -1.1 0.0 179 1208 05 20 41 05 24 50 J1905+0952 18 08 19 51.5 23.5 -1.0 0.0 8 1208 05 24 50 05 26 40 =1903+097 18 10 10 51.7 22.8 -0.9 0.0 110 1237 05 24 51 Schedule for HART (Code Hh ) 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 18 10 10 49.8 25.6 -1.1 0.0 -31 1237 No stop 05 30 10 --- 18 13 40 50.1 24.4 -1.0 0.0 179 1291 05 26 41 05 30 10 J1905+0952 18 13 40 52.0 21.5 -0.9 0.0 -32 1291 No stop 05 32 40 =1903+097 18 16 11 52.2 20.5 -0.8 0.0 118 1329 05 30 11 05 32 40 GRS1915 18 16 11 50.3 23.5 -1.0 0.0 -31 1329 No stop 05 36 10 --- 18 19 41 50.7 22.2 -0.9 0.0 179 1384 05 32 41 05 36 50 J1905+0952 18 20 21 52.5 18.9 -0.8 0.0 8 1384 05 36 50 05 38 40 =1903+097 18 22 12 52.6 18.2 -0.7 0.0 110 1412 05 36 51 05 38 40 GRS1915 18 22 12 50.9 21.3 -0.9 0.0 -31 1412 No stop 05 42 10 --- 18 25 42 51.1 20.0 -0.8 0.0 179 1466 05 38 41 05 42 10 J1905+0952 18 25 42 52.9 16.9 -0.7 0.0 -32 1466 No stop 05 44 40 =1903+097 18 28 13 53.0 15.9 -0.6 0.0 118 1505 05 42 11 05 44 40 GRS1915 18 28 13 51.3 19.0 -0.8 0.0 -31 1505 No stop 05 48 10 --- 18 31 43 51.6 17.7 -0.7 0.0 179 1559 05 44 41 05 48 50 J1905+0952 18 32 23 53.3 14.2 -0.6 0.0 8 1559 05 48 50 05 50 40 =1903+097 18 34 14 53.4 13.5 -0.5 0.0 110 1587 05 48 51 05 50 40 J1913+0932 18 34 14 53.2 16.7 -0.7 0.0 -30 1587 No stop 05 53 10 --- 18 36 44 53.4 15.7 -0.6 0.0 120 1626 05 50 41 05 53 50 J1905+0952 18 37 24 53.5 12.2 -0.5 0.0 9 1626 05 53 50 05 55 50 =1903+097 18 39 24 53.6 11.4 -0.5 0.0 120 1657 05 53 51 05 55 50 GRS1915 18 39 24 52.1 14.8 -0.6 0.0 -31 1657 No stop 05 59 20 --- 18 42 55 52.3 13.4 -0.6 0.0 179 1711 05 55 51 05 59 20 J1905+0952 18 42 55 53.7 9.9 -0.4 0.0 -32 1711 No stop 06 01 50 =1903+097 18 45 25 53.8 8.9 -0.4 0.0 118 1749 05 59 21 06 01 50 GRS1915 18 45 25 52.4 12.4 -0.5 0.0 -31 1749 No stop 06 05 20 --- 18 48 56 52.5 11.0 -0.5 0.0 179 1803 06 01 51 06 06 00 J1905+0952 18 49 36 54.0 7.1 -0.3 0.0 8 1803 06 06 00 06 07 50 =1903+097 18 51 26 54.0 6.4 -0.3 0.0 110 1832 06 06 01 06 07 50 GRS1915 18 51 26 52.6 10.0 -0.4 0.0 -31 1832 No stop 06 11 20 --- 18 54 57 52.8 8.6 -0.4 0.0 179 1886 06 07 51 Schedule for HART (Code Hh ) 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 18 54 57 54.1 4.9 -0.2 0.0 -32 1886 No stop 06 13 50 =1903+097 18 57 27 54.1 3.9 -0.2 0.0 118 1925 06 11 21 06 13 50 GRS1915 18 57 27 52.9 7.6 -0.3 0.0 -31 1925 No stop 06 17 20 --- 19 00 58 52.9 6.2 -0.3 0.0 179 1979 06 13 51 06 18 00 J1905+0952 19 01 38 54.2 2.1 -0.1 0.0 8 1979 06 18 00 06 19 50 =1903+097 19 03 28 54.2 1.3 -0.1 0.0 110 2007 06 18 01 06 19 50 GRS1915 19 03 28 53.0 5.2 -0.2 0.0 -31 2007 No stop 06 23 20 --- 19 06 59 53.1 3.8 -0.2 0.0 179 2061 06 19 51 06 23 20 J1905+0952 19 06 59 54.2 359.9 0.0 0.0 -32 2061 No stop 06 25 50 =1903+097 19 09 29 54.2 358.8 0.0 0.0 118 2100 06 23 21 06 25 50 GRS1915 19 09 29 53.1 2.7 -0.1 0.0 -31 2100 No stop 06 29 20 --- 19 13 00 53.1 1.3 -0.1 0.0 179 2154 06 25 51 06 30 00 J1905+0952 19 13 40 54.2 357.0 0.1 0.0 8 2154 06 30 00 06 31 50 =1903+097 19 15 30 54.1 356.3 0.1 0.0 110 2182 06 30 01 06 31 50 GRS1915 19 15 30 53.1 0.3 -0.0 0.0 -31 2182 No stop 06 35 20 --- 19 19 01 53.1 358.8 0.0 0.0 179 2236 06 31 51 06 35 20 J1905+0952 19 19 01 54.1 354.8 0.2 0.0 -32 2236 No stop 06 37 50 =1903+097 19 21 31 54.0 353.8 0.2 0.0 118 2275 06 35 21 06 37 50 GRS1915 19 21 31 53.1 357.8 0.1 0.0 -31 2275 No stop 06 41 20 --- 19 25 02 53.1 356.4 0.1 0.0 179 2329 06 37 51 06 42 00 J1905+0952 19 25 42 53.9 352.0 0.3 0.0 8 2329 06 42 00 06 43 50 =1903+097 19 27 32 53.9 351.3 0.3 0.0 110 2357 06 42 01 06 43 50 J1913+0932 19 27 32 54.4 354.4 0.2 0.0 -30 2357 No stop 06 46 20 --- 19 30 03 54.3 353.4 0.3 0.0 120 2396 06 43 51 06 47 00 J1905+0952 19 30 43 53.7 349.9 0.4 0.0 9 2396 06 47 00 06 49 00 =1903+097 19 32 43 53.7 349.1 0.4 0.0 120 2427 06 47 01 06 49 00 GRS1915 19 32 43 52.9 353.3 0.3 0.0 -31 2427 No stop 06 52 30 --- 19 36 14 52.8 351.8 0.3 0.0 179 2481 06 49 01 06 52 30 J1905+0952 19 36 14 53.5 347.7 0.5 0.0 -32 2481 No stop 06 55 00 =1903+097 19 38 44 53.4 346.7 0.5 0.0 118 2520 06 52 31 Schedule for HART (Code Hh ) 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 19 38 44 52.7 350.8 0.4 0.0 -31 2520 No stop 06 58 30 --- 19 42 15 52.6 349.4 0.4 0.0 179 2574 06 55 01 06 59 10 J1905+0952 19 42 55 53.1 345.0 0.6 0.0 8 2574 06 59 10 07 01 00 =1903+097 19 44 45 53.0 344.3 0.6 0.0 110 2602 06 59 11 07 01 00 GRS1915 19 44 45 52.5 348.4 0.5 0.0 -31 2602 No stop 07 04 30 --- 19 48 16 52.3 347.0 0.5 0.0 179 2656 07 01 01 07 04 30 J1905+0952 19 48 16 52.8 342.9 0.7 0.0 -32 2656 No stop 07 07 00 =1903+097 19 50 46 52.6 341.9 0.7 0.0 118 2695 07 04 31 07 07 00 GRS1915 19 50 46 52.2 346.1 0.6 0.0 -31 2695 No stop 07 10 30 --- 19 54 17 52.0 344.7 0.6 0.0 179 2749 07 07 01 07 11 10 J1905+0952 19 54 57 52.3 340.3 0.8 0.0 8 2749 07 11 10 07 13 00 =1903+097 19 56 47 52.2 339.6 0.8 0.0 110 2777 07 11 11 07 13 00 GRS1915 19 56 47 51.8 343.7 0.7 0.0 -31 2777 No stop 07 16 30 --- 20 00 18 51.6 342.4 0.7 0.0 179 2831 07 13 01 07 16 30 J1905+0952 20 00 18 51.9 338.3 0.9 0.0 -32 2831 No stop 07 19 00 =1903+097 20 02 48 51.7 337.3 0.9 0.0 118 2870 07 16 31 07 19 00 GRS1915 20 02 48 51.4 341.4 0.8 0.0 -31 2870 No stop 07 22 30 --- 20 06 19 51.2 340.1 0.8 0.0 179 2924 07 19 01 07 23 10 J1905+0952 20 06 59 51.3 335.8 1.0 0.0 8 2924 07 23 10 07 25 00 =1903+097 20 08 49 51.1 335.1 1.0 0.0 110 2953 07 23 11 07 25 00 GRS1915 20 08 49 51.0 339.2 0.9 0.0 -31 2953 No stop 07 28 30 --- 20 12 20 50.7 337.9 0.9 0.0 179 3007 07 25 01 07 28 30 J1905+0952 20 12 20 50.8 333.9 1.1 0.0 -32 3007 No stop 07 31 00 =1903+097 20 14 50 50.6 333.0 1.1 0.0 118 3045 07 28 31 07 31 00 GRS1915 20 14 50 50.5 337.0 1.0 0.0 -31 3045 No stop 07 34 30 --- 20 18 21 50.1 335.8 1.0 0.0 179 3099 07 31 01 07 35 10 J1905+0952 20 19 01 50.1 331.5 1.2 0.0 8 3099 07 35 10 07 37 00 =1903+097 20 20 51 49.9 330.9 1.2 0.0 110 3128 07 35 11 07 37 00 J1913+0932 20 20 51 51.0 333.4 1.1 0.0 -30 3128 No stop 07 39 30 --- 20 23 21 50.8 332.5 1.1 0.0 120 3166 07 37 01 Schedule for HART (Code Hh ) 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 20 23 52 17.2 331.6 2.4 0.0 -55 3166 07 40 00 07 45 00 =1758+388 20 28 52 16.7 330.7 2.5 0.0 245 3244 07 40 01 07 45 40 J1905+0952 20 29 32 48.9 328.0 1.4 0.0 -45 3244 07 45 40 07 47 40 =1903+097 20 31 33 48.7 327.3 1.4 0.0 75 3275 07 45 41 07 47 40 GRS1915 20 31 33 48.8 331.2 1.3 0.0 -31 3275 No stop 07 51 10 --- 20 35 03 48.4 330.0 1.3 0.0 179 3329 07 47 41 07 51 10 J1905+0952 20 35 03 48.2 326.2 1.5 0.0 -32 3329 No stop 07 53 40 =1903+097 20 37 34 47.9 325.4 1.5 0.0 118 3367 07 51 11 07 53 40 GRS1915 20 37 34 48.1 329.2 1.4 0.0 -31 3367 No stop 07 57 10 --- 20 41 04 47.7 328.1 1.4 0.0 179 3421 07 53 41 07 57 50 J1905+0952 20 41 44 47.4 324.1 1.6 0.0 8 3421 07 57 50 07 59 40 =1903+097 20 43 35 47.1 323.5 1.6 0.0 110 3450 07 57 51 07 59 40 GRS1915 20 43 35 47.4 327.3 1.5 0.0 -31 3450 No stop 08 03 10 --- 20 47 05 47.0 326.2 1.5 0.0 179 3504 07 59 41 08 03 10 J1905+0952 20 47 05 46.7 322.5 1.7 0.0 -32 3504 No stop 08 05 40 =1903+097 20 49 36 46.3 321.7 1.7 0.0 118 3543 08 03 11 08 05 40 GRS1915 20 49 36 46.7 325.4 1.6 0.0 -31 3543 No stop 08 09 10 --- 20 53 06 46.2 324.4 1.6 0.0 179 3597 08 05 41 08 09 50 J1905+0952 20 53 46 45.7 320.5 1.8 0.0 8 3597 08 09 50 08 11 40 =1903+097 20 55 37 45.5 320.0 1.8 0.0 110 3625 08 09 51 08 11 40 GRS1915 20 55 37 45.9 323.6 1.7 0.0 -31 3625 No stop 08 15 10 --- 20 59 07 45.4 322.6 1.7 0.0 179 3679 08 11 41 08 15 10 J1905+0952 20 59 07 45.0 319.0 1.9 0.0 -32 3679 No stop 08 17 40 =1903+097 21 01 38 44.6 318.3 1.9 0.0 118 3718 08 15 11 08 17 40 GRS1915 21 01 38 45.1 321.9 1.8 0.0 -31 3718 No stop 08 21 10 --- 21 05 08 44.6 320.9 1.8 0.0 179 3772 08 17 41 08 21 50 J1905+0952 21 05 48 44.0 317.2 2.0 0.0 8 3772 08 21 50 08 23 40 =1903+097 21 07 39 43.7 316.7 2.0 0.0 110 3800 08 21 51 08 23 40 GRS1915 21 07 39 44.2 320.2 1.9 0.0 -31 3800 No stop 08 27 10 --- 21 11 09 43.7 319.2 1.9 0.0 179 3854 08 23 41 Schedule for HART (Code Hh ) 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 21 11 09 43.1 315.8 2.1 0.0 -32 3854 No stop 08 29 40 =1903+097 21 13 40 42.7 315.1 2.1 0.0 118 3893 08 27 11 08 29 40 GRS1915 21 13 40 43.4 318.5 2.0 0.0 -31 3893 No stop 08 33 10 --- 21 17 10 42.8 317.6 2.0 0.0 179 3947 08 29 41 08 33 50 J1905+0952 21 17 50 42.1 314.0 2.2 0.0 8 3947 08 33 50 08 35 40 =1903+097 21 19 41 41.8 313.6 2.2 0.0 110 3975 08 33 51 08 35 40 J1913+0932 21 19 41 43.2 315.3 2.1 0.0 -30 3975 No stop 08 38 10 --- 21 22 11 42.8 314.6 2.1 0.0 120 4014 08 35 41 08 38 50 J1905+0952 21 22 51 41.2 312.8 2.3 0.0 9 4014 08 38 50 08 40 50 =1903+097 21 24 52 40.9 312.3 2.3 0.0 120 4045 08 38 51 08 40 50 GRS1915 21 24 52 41.6 315.6 2.1 0.0 -31 4045 No stop 08 44 20 --- 21 28 22 41.1 314.7 2.2 0.0 179 4099 08 40 51 08 44 20 J1905+0952 21 28 22 40.3 311.5 2.4 0.0 -32 4099 No stop 08 46 50 =1903+097 21 30 53 39.9 310.9 2.4 0.0 118 4138 08 44 21 08 46 50 GRS1915 21 30 53 40.7 314.1 2.2 0.0 -31 4138 No stop 08 50 20 --- 21 34 23 40.1 313.3 2.3 0.0 179 4192 08 46 51 08 51 00 J1905+0952 21 35 03 39.2 309.9 2.5 0.0 8 4192 08 51 00 08 52 50 =1903+097 21 36 54 38.9 309.5 2.5 0.0 110 4220 08 51 01 08 52 50 GRS1915 21 36 54 39.7 312.7 2.3 0.0 -31 4220 No stop 08 56 20 --- 21 40 24 39.1 311.9 2.4 0.0 179 4274 08 52 51 08 56 20 J1905+0952 21 40 24 38.3 308.8 2.6 0.0 -32 4274 No stop 08 58 50 =1903+097 21 42 55 37.8 308.2 2.6 0.0 118 4313 08 56 21 08 58 50 GRS1915 21 42 55 38.7 311.3 2.4 0.0 -31 4313 No stop 09 02 20 --- 21 46 25 38.1 310.5 2.5 0.0 179 4367 08 58 51 09 03 00 J1905+0952 21 47 05 37.1 307.3 2.7 0.0 8 4367 09 03 00 09 04 50 =1903+097 21 48 55 36.7 306.9 2.7 0.0 110 4395 09 03 01 09 04 50 GRS1915 21 48 55 37.7 309.9 2.5 0.0 -31 4395 No stop 09 08 20 --- 21 52 26 37.1 309.2 2.6 0.0 179 4449 09 04 51 09 08 20 J1905+0952 21 52 26 36.1 306.2 2.8 0.0 -32 4449 No stop 09 10 50 =1903+097 21 54 56 35.6 305.7 2.8 0.0 118 4488 09 08 21 Schedule for HART (Code Hh ) 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 21 54 56 36.6 308.6 2.6 0.0 -31 4488 No stop 09 14 20 --- 21 58 27 36.0 307.9 2.7 0.0 179 4542 09 10 51 09 15 00 J1905+0952 21 59 07 34.9 304.8 2.9 0.0 8 4542 09 15 00 09 16 50 =1903+097 22 00 57 34.5 304.5 2.9 0.0 110 4571 09 15 01 09 16 50 GRS1915 22 00 57 35.5 307.4 2.7 0.0 -31 4571 No stop 09 20 20 --- 22 04 28 34.9 306.7 2.8 0.0 179 4625 09 16 51 09 20 20 J1905+0952 22 04 28 33.9 303.8 3.0 0.0 -32 4625 No stop 09 22 50 =1903+097 22 06 58 33.4 303.3 3.0 0.0 118 4663 09 20 21 09 22 50 GRS1915 22 06 58 34.5 306.1 2.8 0.0 -31 4663 No stop 09 26 20 --- 22 10 29 33.8 305.5 2.9 0.0 179 4717 09 22 51 09 27 00 J1905+0952 22 11 09 32.6 302.5 3.1 0.0 8 4717 09 27 00 09 28 50 =1903+097 22 12 59 32.3 302.2 3.1 0.0 110 4746 09 27 01 09 28 50 J1913+0932 22 12 59 33.9 303.3 3.0 0.0 -30 4746 No stop 09 31 20 --- 22 15 30 33.5 302.9 3.0 0.0 120 4784 09 28 51 09 32 00 J1905+0952 22 16 10 31.7 301.6 3.2 0.0 9 4784 09 32 00 09 34 00 =1903+097 22 18 10 31.3 301.2 3.2 0.0 120 4815 09 32 01 09 34 00 GRS1915 22 18 10 32.4 304.0 3.0 0.0 -31 4815 No stop 09 37 30 --- 22 21 41 31.7 303.3 3.1 0.0 179 4869 09 34 01 09 37 30 J1905+0952 22 21 41 30.6 300.6 3.3 0.0 -32 4869 No stop 09 40 00 =1903+097 22 24 11 30.1 300.2 3.3 0.0 118 4908 09 37 31 09 40 00 GRS1915 22 24 11 31.3 302.9 3.1 0.0 -31 4908 No stop 09 43 30 --- 22 27 42 30.6 302.2 3.2 0.0 179 4962 09 40 01 09 44 10 J1905+0952 22 28 22 29.3 299.4 3.4 0.0 8 4962 09 44 10 09 46 10 =1903+097 22 30 22 28.9 299.1 3.4 0.0 120 4993 09 44 11 09 46 10 GRS1915 22 30 22 30.1 301.7 3.2 0.0 -31 4993 No stop 09 49 40 --- 22 33 53 29.4 301.1 3.3 0.0 179 5047 09 46 11 09 49 40 J1905+0952 22 33 53 28.2 298.5 3.5 0.0 -32 5047 No stop 09 52 10 =1903+097 22 36 23 27.7 298.1 3.5 0.0 118 5086 09 49 41 09 52 10 GRS1915 22 36 23 28.9 300.7 3.3 0.0 -31 5086 No stop 09 55 40 --- 22 39 54 28.3 300.1 3.4 0.0 179 5140 09 52 11 Schedule for HART (Code Hh ) 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 22 40 34 26.9 297.4 3.6 0.0 8 5140 09 56 20 09 58 20 =1903+097 22 42 34 26.5 297.1 3.6 0.0 120 5171 09 56 21 09 58 20 GRS1915 22 42 34 27.7 299.6 3.4 0.0 -31 5171 No stop 10 01 50 --- 22 46 05 27.0 299.0 3.5 0.0 179 5225 09 58 21 10 01 50 J1905+0952 22 46 05 25.8 296.5 3.7 0.0 -32 5225 No stop 10 04 20 =1903+097 22 48 35 25.3 296.1 3.7 0.0 118 5264 10 01 51 10 04 20 GRS1915 22 48 35 26.6 298.6 3.5 0.0 -31 5264 No stop 10 07 50 --- 22 52 06 25.9 298.1 3.6 0.0 179 5318 10 04 21 10 08 30 J1905+0952 22 52 46 24.4 295.5 3.8 0.0 8 5318 10 08 30 10 10 30 =1903+097 22 54 46 24.0 295.2 3.8 0.0 120 5349 10 08 31 10 10 30 GRS1915 22 54 46 25.3 297.6 3.6 0.0 -31 5349 No stop 10 14 00 --- 22 58 17 24.6 297.1 3.7 0.0 179 5403 10 10 31 10 14 00 J1905+0952 22 58 17 23.3 294.7 3.9 0.0 -32 5403 No stop 10 16 30 =1903+097 23 00 47 22.8 294.3 3.9 0.0 118 5441 10 14 01 10 16 30 GRS1915 23 00 47 24.1 296.7 3.7 0.0 -31 5441 No stop 10 20 00 --- 23 04 18 23.4 296.2 3.8 0.0 179 5495 10 16 31 10 20 40 J1905+0952 23 04 58 21.9 293.7 4.0 0.0 8 5495 10 20 40 10 22 40 =1903+097 23 06 58 21.5 293.4 4.0 0.0 120 5526 10 20 41 10 22 40 J1913+0932 23 06 58 23.3 294.2 3.9 0.0 -30 5526 No stop 10 25 10 --- 23 09 29 22.8 293.9 3.9 0.0 120 5565 10 22 41 10 25 50 J1905+0952 23 10 09 20.9 292.9 4.1 0.0 9 5565 10 25 50 10 27 50 =1903+097 23 12 09 20.5 292.6 4.1 0.0 120 5596 10 25 51 10 27 50 GRS1915 23 12 09 21.8 295.0 3.9 0.0 -31 5596 No stop 10 31 20 --- 23 15 40 21.1 294.5 4.0 0.0 179 5650 10 27 51 10 31 20 J1905+0952 23 15 40 19.7 292.1 4.2 0.0 -32 5650 No stop 10 33 50 =1903+097 23 18 10 19.2 291.8 4.2 0.0 118 5689 10 31 21 10 33 50 GRS1915 23 18 10 20.6 294.1 4.0 0.0 -31 5689 No stop 10 37 20 --- 23 21 41 19.9 293.6 4.1 0.0 179 5743 10 33 51 10 38 00 J1905+0952 23 22 21 18.3 291.2 4.3 0.0 8 5743 10 38 00 10 40 00 =1903+097 23 24 21 17.9 291.0 4.3 0.0 120 5774 10 38 01 Schedule for HART (Code Hh ) 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 23 24 21 19.3 293.2 4.1 0.0 -31 5774 No stop 10 43 30 --- 23 27 52 18.6 292.7 4.2 0.0 179 5828 10 40 01 10 43 30 J1905+0952 23 27 52 17.2 290.5 4.4 0.0 -32 5828 No stop 10 46 00 =1903+097 23 30 22 16.6 290.2 4.4 0.0 118 5866 10 43 31 10 46 00 GRS1915 23 30 22 18.1 292.4 4.2 0.0 -31 5866 No stop 10 49 30 --- 23 33 53 17.3 291.9 4.3 0.0 179 5921 10 46 01 10 50 10 J1905+0952 23 34 33 15.8 289.6 4.5 0.0 8 5921 10 50 10 10 52 10 =1903+097 23 36 33 15.3 289.3 4.5 0.0 120 5951 10 50 11 10 52 10 GRS1915 23 36 33 16.8 291.6 4.3 0.0 -31 5951 No stop 10 55 40 --- 23 40 04 16.0 291.1 4.4 0.0 179 6006 10 52 11 10 55 40 J1905+0952 23 40 04 14.6 288.9 4.6 0.0 -32 6006 No stop 10 58 10 =1903+097 23 42 34 14.1 288.6 4.6 0.0 118 6044 10 55 41 10 58 10 GRS1915 23 42 34 15.5 290.8 4.4 0.0 -31 6044 No stop 11 01 40 --- 23 46 05 14.8 290.3 4.5 0.0 179 6098 10 58 11 11 02 20 J1905+0952 23 46 45 13.2 288.0 4.7 0.0 8 6098 11 02 20 11 04 20 =1903+097 23 48 45 12.7 287.8 4.7 0.0 120 6129 11 02 21 11 04 20 J1913+0932 23 48 45 14.5 288.5 4.6 0.0 -30 6129 No stop 11 06 50 --- 23 51 16 14.0 288.2 4.6 0.0 120 6168 11 04 21 11 07 30 J1905+0952 23 51 56 12.1 287.4 4.8 0.0 9 6168 11 07 30 11 09 30 =1903+097 23 53 56 11.6 287.2 4.8 0.0 120 6199 11 07 31 11 09 30 GRS1915 23 53 56 13.1 289.3 4.6 0.0 -31 6199 No stop 11 13 00 --- 23 57 27 12.4 288.9 4.7 0.0 179 6253 11 09 31 11 13 00 J1905+0952 23 57 27 10.9 286.7 4.8 0.0 -32 6253 No stop 11 15 30 =1903+097 23 59 57 10.3 286.4 4.9 0.0 118 6292 11 13 01 11 15 30 GRS1915 23 59 57 11.8 288.5 4.7 0.0 -31 6292 No stop 11 19 00 --- 00 03 28 11.1 288.1 4.8 0.0 179 6346 11 15 31 11 19 40 J1905+0952 00 04 08 9.4 285.9 5.0 0.0 8 6346 11 19 40 11 21 40 =1903+097 00 06 08 9.0 285.7 5.0 0.0 120 6377 11 19 41 11 21 40 GRS1915 00 06 08 10.5 287.8 4.8 0.0 -31 6377 No stop 11 25 10 --- 00 09 39 9.8 287.4 4.9 0.0 179 6431 11 21 41 Schedule for HART (Code Hh ) 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 00 09 39 8.2 285.3 5.0 0.0 -32 6431 No stop 11 27 40 =1903+097 00 12 09 7.7 285.0 5.1 D 0.0 0 6469 11 25 11 11 27 40 GRS1915 00 12 09 9.2 287.1 4.9 0.0 -31 6469 No stop 11 31 10 --- 00 15 40 8.5 286.6 5.0 0.0 179 6523 11 27 41 11 54 00 J2253+1608 00 38 33 40.9 326.3 1.7 0.0 1234 6523 11 54 00 12 00 00 =3C454.3 00 44 34 40.1 324.7 1.8 0.0 360 6616 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: hh6cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** 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: 7 Station: HART 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= 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 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= 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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 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