COVER INFORMATION Station: CAMBG32M (Code Cm ) Experiment: Probing the radio jets in GRS1915+105 in a new puzzling accretion state Exp. Code: EM144A Schedule Version: 2.50 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: S.E.Motta Address: INAF - Osservatorio Astronomico di Brera Via E. Bianchi 46, I-23807 Merate Italy Phone: +39 3339445713 EMAIL: sara.motta@inaf.it Fax: Phone during observation: +39 3339445713 Observing mode: EVN, 6 GHz continuum Notes: Target (phase ref): GRS 1915+105 (J1905+0952) Fringe finders: J1800+3848, J2253+1608 Check source: J1913+0932 Schedule for CAMBG32M (Code Cm ) Page 2 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- Next scan frequencies: 4958.49 4958.49 Next BBC frequencies: 705.51 705.51 Next scan bandwidths: 64.00 64.00 12 30 00 J1800+3848 15 07 18 57.4 456.6 -2.9 -51.4 0 0 12 30 00 12 35 00 =1758+388 15 12 18 58.1 457.8 -2.8 -51.3 300 19 12 30 01 12 37 00 J1905+0952 15 14 19 27.1 470.1 -3.9 -35.8 10 19 12 37 00 12 39 30 =1903+097 15 16 49 27.4 470.7 -3.8 -35.6 150 29 12 37 01 12 39 30 GRS1915 15 16 49 26.9 467.8 -4.0 -36.5 -23 29 No stop 12 43 00 --- 15 20 20 27.5 468.6 -3.9 -36.3 187 43 12 39 31 12 43 00 J1905+0952 15 20 20 27.9 471.5 -3.8 -35.4 -23 43 No stop 12 45 30 =1903+097 15 22 50 28.3 472.0 -3.7 -35.3 127 52 12 43 01 12 45 30 GRS1915 15 22 50 27.8 469.2 -3.9 -36.2 -23 52 No stop 12 49 00 --- 15 26 21 28.3 469.9 -3.8 -36.0 187 66 12 45 31 12 49 40 J1905+0952 15 27 01 28.9 473.0 -3.7 -35.0 17 66 12 49 40 12 51 30 =1903+097 15 28 51 29.2 473.4 -3.6 -34.8 110 73 12 49 41 12 51 30 GRS1915 15 28 51 28.7 470.5 -3.8 -35.8 -23 73 No stop 12 55 00 --- 15 32 22 29.2 471.3 -3.7 -35.6 187 86 12 51 31 12 55 00 J1905+0952 15 32 22 29.6 474.2 -3.6 -34.6 -23 86 No stop 12 57 30 =1903+097 15 34 52 30.0 474.8 -3.5 -34.4 127 96 12 55 01 12 57 30 GRS1915 15 34 52 29.5 471.9 -3.7 -35.4 -23 96 No stop 13 01 00 --- 15 38 23 30.0 472.7 -3.6 -35.2 187 109 12 57 31 13 01 40 J1905+0952 15 39 03 30.6 475.8 -3.5 -34.1 16 109 13 01 40 13 03 30 =1903+097 15 40 53 30.8 476.2 -3.4 -34.0 110 117 13 01 41 13 03 30 GRS1915 15 40 53 30.4 473.3 -3.6 -35.0 -23 117 No stop 13 07 00 --- 15 44 24 30.9 474.1 -3.5 -34.8 187 130 13 03 31 13 07 00 J1905+0952 15 44 24 31.3 477.1 -3.4 -33.7 -24 130 No stop 13 09 30 =1903+097 15 46 54 31.7 477.7 -3.3 -33.5 126 140 13 07 01 13 09 30 GRS1915 15 46 54 31.2 474.7 -3.5 -34.6 -23 140 No stop 13 13 00 --- 15 50 25 31.7 475.5 -3.4 -34.3 187 153 13 09 31 13 13 40 J1905+0952 15 51 05 32.2 478.7 -3.3 -33.1 16 153 13 13 40 13 15 30 =1903+097 15 52 55 32.5 479.1 -3.2 -32.9 110 160 13 13 41 Schedule for CAMBG32M (Code Cm ) Page 3 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 13 15 30 GRS1915 15 52 55 32.1 476.1 -3.4 -34.1 -23 160 No stop 13 19 00 --- 15 56 26 32.6 477.0 -3.3 -33.8 187 174 13 15 31 13 19 00 J1905+0952 15 56 26 32.9 480.0 -3.2 -32.6 -24 174 No stop 13 21 30 =1903+097 15 58 56 33.3 480.6 -3.1 -32.4 126 184 13 19 01 13 21 30 GRS1915 15 58 56 32.9 477.6 -3.3 -33.6 -23 184 No stop 13 25 00 --- 16 02 27 33.4 478.4 -3.2 -33.3 187 197 13 21 31 13 25 40 J1905+0952 16 03 07 33.8 481.7 -3.1 -32.0 16 197 13 25 40 13 27 30 =1903+097 16 04 57 34.1 482.1 -3.0 -31.8 110 204 13 25 41 13 27 30 J1913+0932 16 04 57 32.8 480.4 -3.2 -32.4 -18 204 No stop 13 30 00 --- 16 07 27 33.1 481.0 -3.1 -32.2 132 214 13 27 31 13 30 40 J1905+0952 16 08 08 34.5 482.9 -3.0 -31.5 21 214 13 30 40 13 32 40 =1903+097 16 10 08 34.7 483.4 -2.9 -31.3 120 222 13 30 41 13 32 40 GRS1915 16 10 08 34.4 480.3 -3.1 -32.6 -24 222 No stop 13 36 10 --- 16 13 39 34.9 481.2 -3.0 -32.3 186 235 13 32 41 13 36 10 J1905+0952 16 13 39 35.2 484.3 -2.9 -30.9 -24 235 No stop 13 38 40 =1903+097 16 16 09 35.5 485.0 -2.8 -30.7 126 245 13 36 11 13 38 40 GRS1915 16 16 09 35.2 481.9 -3.0 -32.1 -24 245 No stop 13 42 10 --- 16 19 39 35.6 482.8 -2.9 -31.7 186 258 13 38 41 13 42 50 J1905+0952 16 20 20 36.0 486.1 -2.8 -30.2 16 258 13 42 50 13 44 40 =1903+097 16 22 10 36.2 486.6 -2.7 -30.0 110 265 13 42 51 13 44 40 GRS1915 16 22 10 36.0 483.4 -2.9 -31.4 -24 265 No stop 13 48 10 --- 16 25 40 36.4 484.3 -2.8 -31.1 186 279 13 44 41 13 48 10 J1905+0952 16 25 40 36.7 487.5 -2.7 -29.6 -25 279 No stop 13 50 40 =1903+097 16 28 11 37.0 488.2 -2.6 -29.3 125 289 13 48 11 13 50 40 GRS1915 16 28 11 36.7 485.0 -2.8 -30.8 -24 289 No stop 13 54 10 --- 16 31 41 37.2 485.9 -2.7 -30.4 186 302 13 50 41 13 54 50 J1905+0952 16 32 22 37.5 489.3 -2.6 -28.8 15 302 13 54 50 13 56 40 =1903+097 16 34 12 37.7 489.8 -2.5 -28.6 110 309 13 54 51 13 56 40 GRS1915 16 34 12 37.5 486.6 -2.7 -30.1 -24 309 No stop 14 00 10 --- 16 37 42 37.9 487.5 -2.6 -29.7 186 323 13 56 41 Schedule for CAMBG32M (Code Cm ) Page 4 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 14 00 10 J1905+0952 16 37 42 38.1 490.8 -2.5 -28.1 -25 323 No stop 14 02 40 =1903+097 16 40 13 38.4 491.5 -2.4 -27.8 125 332 14 00 11 14 02 40 GRS1915 16 40 13 38.2 488.2 -2.6 -29.4 -24 332 No stop 14 06 10 --- 16 43 43 38.6 489.1 -2.5 -29.0 186 346 14 02 41 14 06 50 J1905+0952 16 44 24 38.9 492.6 -2.4 -27.3 15 346 14 06 50 14 08 40 =1903+097 16 46 14 39.1 493.2 -2.3 -27.0 110 353 14 06 51 14 08 40 GRS1915 16 46 14 38.9 489.8 -2.5 -28.7 -24 353 No stop 14 12 10 --- 16 49 44 39.3 490.8 -2.4 -28.2 186 366 14 08 41 14 12 10 J1905+0952 16 49 44 39.5 494.2 -2.3 -26.5 -25 366 No stop 14 14 40 =1903+097 16 52 15 39.7 494.9 -2.2 -26.2 125 376 14 12 11 14 14 40 GRS1915 16 52 15 39.6 491.5 -2.4 -27.9 -24 376 No stop 14 18 10 --- 16 55 45 40.0 492.5 -2.3 -27.4 186 390 14 14 41 14 18 50 J1905+0952 16 56 26 40.2 496.1 -2.2 -25.6 15 390 14 18 50 14 20 40 =1903+097 16 58 16 40.4 496.6 -2.1 -25.3 110 397 14 18 51 14 20 40 J1913+0932 16 58 16 39.3 494.6 -2.3 -26.3 -19 397 No stop 14 23 10 --- 17 00 46 39.5 495.3 -2.2 -26.0 131 406 14 20 41 14 23 50 J1905+0952 17 01 26 40.7 497.5 -2.1 -24.9 20 406 14 23 50 14 25 50 =1903+097 17 03 27 40.9 498.1 -2.1 -24.6 120 414 14 23 51 14 25 50 GRS1915 17 03 27 40.9 494.7 -2.2 -26.4 -25 414 No stop 14 29 20 --- 17 06 57 41.3 495.8 -2.2 -25.8 185 428 14 25 51 14 29 20 J1905+0952 17 06 57 41.3 499.2 -2.0 -24.0 -25 428 No stop 14 31 50 =1903+097 17 09 28 41.5 499.9 -2.0 -23.6 125 437 14 29 21 14 31 50 GRS1915 17 09 28 41.5 496.5 -2.1 -25.5 -25 437 No stop 14 35 20 --- 17 12 58 41.9 497.5 -2.1 -25.0 185 451 14 31 51 14 36 00 J1905+0952 17 13 38 41.9 501.2 -1.9 -23.0 15 451 14 36 00 14 37 50 =1903+097 17 15 29 42.1 501.8 -1.9 -22.7 110 458 14 36 01 14 37 50 GRS1915 17 15 29 42.1 498.3 -2.0 -24.6 -25 458 No stop 14 41 20 --- 17 18 59 42.5 499.3 -2.0 -24.0 185 471 14 37 51 14 41 20 J1905+0952 17 18 59 42.4 502.8 -1.8 -22.1 -26 471 No stop 14 43 50 =1903+097 17 21 30 42.7 503.6 -1.8 -21.7 124 481 14 41 21 Schedule for CAMBG32M (Code Cm ) Page 5 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 14 43 50 GRS1915 17 21 30 42.8 500.1 -1.9 -23.6 -25 481 No stop 14 47 20 --- 17 25 00 43.1 501.2 -1.9 -23.1 185 495 14 43 51 14 48 00 J1905+0952 17 25 40 43.0 504.9 -1.7 -21.0 14 495 14 48 00 14 49 50 =1903+097 17 27 31 43.2 505.5 -1.7 -20.6 110 502 14 48 01 14 49 50 GRS1915 17 27 31 43.3 502.0 -1.8 -22.6 -25 502 No stop 14 53 20 --- 17 31 01 43.7 503.1 -1.8 -22.0 185 515 14 49 51 14 53 20 J1905+0952 17 31 01 43.5 506.6 -1.6 -20.0 -26 515 No stop 14 55 50 =1903+097 17 33 32 43.7 507.4 -1.6 -19.6 124 525 14 53 21 14 55 50 GRS1915 17 33 32 43.9 503.9 -1.7 -21.6 -25 525 No stop 14 59 20 --- 17 37 02 44.2 505.0 -1.7 -21.0 185 538 14 55 51 15 00 00 J1905+0952 17 37 42 44.0 508.8 -1.5 -18.8 14 538 15 00 00 15 01 50 =1903+097 17 39 33 44.2 509.4 -1.5 -18.5 110 546 15 00 01 15 01 50 GRS1915 17 39 33 44.4 505.8 -1.6 -20.6 -25 546 No stop 15 05 20 --- 17 43 03 44.7 506.9 -1.6 -19.9 185 559 15 01 51 15 05 20 J1905+0952 17 43 03 44.5 510.5 -1.4 -17.8 -26 559 No stop 15 07 50 =1903+097 17 45 34 44.6 511.3 -1.4 -17.4 124 569 15 05 21 15 07 50 GRS1915 17 45 34 44.9 507.7 -1.5 -19.5 -25 569 No stop 15 11 20 --- 17 49 04 45.2 508.9 -1.5 -18.8 185 582 15 07 51 15 12 00 J1905+0952 17 49 44 44.9 512.7 -1.3 -16.6 14 582 15 12 00 15 13 50 =1903+097 17 51 35 45.1 513.3 -1.3 -16.2 110 589 15 12 01 15 13 50 J1913+0932 17 51 35 44.2 510.9 -1.4 -17.6 -21 589 No stop 15 16 20 --- 17 54 05 44.4 511.7 -1.3 -17.1 129 599 15 13 51 15 17 00 J1905+0952 17 54 45 45.3 514.4 -1.2 -15.6 18 599 15 17 00 15 19 00 =1903+097 17 56 45 45.4 515.1 -1.2 -15.2 120 607 15 17 01 15 19 00 GRS1915 17 56 45 45.8 511.4 -1.3 -17.4 -25 607 No stop 15 22 30 --- 18 00 16 46.0 512.6 -1.3 -16.7 185 620 15 19 01 15 22 30 J1905+0952 18 00 16 45.6 516.3 -1.1 -14.5 -26 620 No stop 15 25 00 =1903+097 18 02 46 45.8 517.1 -1.1 -14.0 124 630 15 22 31 15 25 00 GRS1915 18 02 46 46.2 513.5 -1.2 -16.2 -25 630 No stop 15 28 30 --- 18 06 17 46.5 514.7 -1.2 -15.5 185 643 15 25 01 Schedule for CAMBG32M (Code Cm ) Page 6 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 15 29 10 J1905+0952 18 06 57 46.0 518.6 -1.0 -13.1 14 643 15 29 10 15 31 00 =1903+097 18 08 47 46.1 519.2 -1.0 -12.8 110 651 15 29 11 15 31 00 GRS1915 18 08 47 46.6 515.5 -1.1 -15.0 -25 651 No stop 15 34 30 --- 18 12 18 46.8 516.8 -1.1 -14.3 185 664 15 31 01 15 34 30 J1905+0952 18 12 18 46.3 520.4 -0.9 -12.0 -26 664 No stop 15 37 00 =1903+097 18 14 48 46.4 521.3 -0.9 -11.5 124 674 15 34 31 15 37 00 GRS1915 18 14 48 47.0 517.6 -1.0 -13.8 -25 674 No stop 15 40 30 --- 18 18 19 47.2 518.9 -1.0 -13.0 185 687 15 37 01 15 41 10 J1905+0952 18 18 59 46.6 522.8 -0.8 -10.6 14 687 15 41 10 15 43 00 =1903+097 18 20 49 46.7 523.4 -0.8 -10.2 110 694 15 41 11 15 43 00 GRS1915 18 20 49 47.3 519.7 -0.9 -12.5 -25 694 No stop 15 46 30 --- 18 24 20 47.5 521.0 -0.9 -11.7 185 708 15 43 01 15 46 30 J1905+0952 18 24 20 46.9 524.7 -0.7 -9.5 -26 708 No stop 15 49 00 =1903+097 18 26 50 47.0 525.6 -0.7 -8.9 124 718 15 46 31 15 49 00 GRS1915 18 26 50 47.6 521.9 -0.8 -11.2 -25 718 No stop 15 52 30 --- 18 30 21 47.8 523.1 -0.8 -10.4 185 731 15 49 01 15 53 10 J1905+0952 18 31 01 47.1 527.1 -0.6 -8.0 14 731 15 53 10 15 55 00 =1903+097 18 32 51 47.2 527.7 -0.6 -7.6 110 738 15 53 11 15 55 00 GRS1915 18 32 51 47.9 524.0 -0.7 -9.9 -25 738 No stop 15 58 30 --- 18 36 22 48.0 525.3 -0.7 -9.1 185 752 15 55 01 15 58 30 J1905+0952 18 36 22 47.3 529.0 -0.5 -6.8 -26 752 No stop 16 01 00 =1903+097 18 38 52 47.4 529.9 -0.5 -6.3 124 761 15 58 31 16 01 00 GRS1915 18 38 52 48.1 526.2 -0.6 -8.6 -25 761 No stop 16 04 30 --- 18 42 23 48.3 527.5 -0.6 -7.8 185 775 16 01 01 16 05 10 J1905+0952 18 43 03 47.5 531.4 -0.4 -5.3 14 775 16 05 10 16 07 00 =1903+097 18 44 53 47.5 532.1 -0.4 -4.9 110 782 16 05 11 16 07 00 J1913+0932 18 44 53 47.0 529.3 -0.5 -6.6 -22 782 No stop 16 09 30 --- 18 47 24 47.1 530.2 -0.4 -6.1 128 792 16 07 01 16 10 00 J1800+3848 18 47 54 74.4 575.9 0.8 27.5 -68 792 16 10 00 16 15 00 =1758+388 18 52 55 73.9 579.1 0.9 29.7 232 811 16 10 01 Schedule for CAMBG32M (Code Cm ) Page 7 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 16 15 40 J1905+0952 18 53 35 47.7 535.2 -0.2 -3.0 -56 811 16 15 40 16 17 40 =1903+097 18 55 35 47.7 536.0 -0.2 -2.5 64 819 16 15 41 16 17 40 GRS1915 18 55 35 48.6 532.4 -0.3 -4.8 -25 819 No stop 16 21 10 --- 18 59 06 48.7 533.7 -0.3 -4.0 185 832 16 17 41 16 21 10 J1905+0952 18 59 06 47.7 537.2 -0.1 -1.7 -26 832 No stop 16 23 40 =1903+097 19 01 36 47.7 538.2 -0.1 -1.1 124 842 16 21 11 16 23 40 GRS1915 19 01 36 48.7 534.6 -0.2 -3.4 -25 842 No stop 16 27 10 --- 19 05 07 48.8 535.9 -0.2 -2.6 185 855 16 23 41 16 27 50 J1905+0952 19 05 47 47.7 539.7 -0.0 -0.2 14 855 16 27 50 16 29 40 =1903+097 19 07 37 47.7 540.4 0.0 0.2 110 862 16 27 51 16 29 40 GRS1915 19 07 37 48.8 536.8 -0.1 -2.0 -25 862 No stop 16 33 10 --- 19 11 08 48.8 538.1 -0.1 -1.2 185 876 16 29 41 16 33 10 J1905+0952 19 11 08 47.7 541.6 0.1 1.0 -26 876 No stop 16 35 40 =1903+097 19 13 38 47.7 542.6 0.1 1.6 124 886 16 33 11 16 35 40 GRS1915 19 13 38 48.8 539.1 -0.0 -0.6 -25 886 No stop 16 39 10 --- 19 17 09 48.8 540.4 0.0 0.2 185 899 16 35 41 16 39 50 J1905+0952 19 17 49 47.7 544.1 0.2 2.5 14 899 16 39 50 16 41 40 =1903+097 19 19 39 47.7 544.8 0.2 3.0 110 906 16 39 51 16 41 40 GRS1915 19 19 39 48.8 541.3 0.1 0.8 -25 906 No stop 16 45 10 --- 19 23 10 48.8 542.6 0.1 1.6 185 920 16 41 41 16 45 10 J1905+0952 19 23 10 47.6 546.0 0.3 3.8 -25 920 No stop 16 47 40 =1903+097 19 25 40 47.6 547.0 0.3 4.3 125 929 16 45 11 16 47 40 GRS1915 19 25 40 48.8 543.5 0.2 2.2 -24 929 No stop 16 51 10 --- 19 29 11 48.7 544.9 0.2 3.0 186 943 16 47 41 16 51 50 J1905+0952 19 29 51 47.5 548.5 0.4 5.3 15 943 16 51 50 16 53 40 =1903+097 19 31 41 47.4 549.1 0.4 5.7 110 950 16 51 51 16 53 40 GRS1915 19 31 41 48.7 545.8 0.3 3.6 -24 950 No stop 16 57 10 --- 19 35 12 48.6 547.1 0.3 4.4 186 964 16 53 41 16 57 10 J1905+0952 19 35 12 47.3 550.4 0.5 6.5 -25 964 No stop 16 59 40 =1903+097 19 37 42 47.3 551.3 0.5 7.0 125 973 16 57 11 Schedule for CAMBG32M (Code Cm ) Page 8 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 16 59 40 GRS1915 19 37 42 48.6 548.0 0.4 5.0 -24 973 No stop 17 03 10 --- 19 41 13 48.5 549.3 0.4 5.8 186 987 16 59 41 17 03 50 J1905+0952 19 41 53 47.1 552.8 0.6 7.9 15 987 17 03 50 17 05 40 =1903+097 19 43 43 47.1 553.5 0.6 8.3 110 994 17 03 51 17 05 40 J1913+0932 19 43 43 47.0 550.6 0.5 6.6 -22 994 No stop 17 08 10 --- 19 46 13 46.9 551.5 0.5 7.1 128 1004 17 05 41 17 08 50 J1905+0952 19 46 53 47.0 554.6 0.7 9.0 17 1004 17 08 50 17 10 50 =1903+097 19 48 54 46.9 555.3 0.7 9.5 120 1011 17 08 51 17 10 50 GRS1915 19 48 54 48.3 552.1 0.5 7.5 -24 1011 No stop 17 14 20 --- 19 52 24 48.2 553.4 0.6 8.3 186 1025 17 10 51 17 14 20 J1905+0952 19 52 24 46.7 556.6 0.8 10.2 -24 1025 No stop 17 16 50 =1903+097 19 54 55 46.6 557.5 0.8 10.8 126 1034 17 14 21 17 16 50 GRS1915 19 54 55 48.1 554.3 0.6 8.9 -23 1034 No stop 17 20 20 --- 19 58 25 47.9 555.6 0.7 9.7 187 1048 17 16 51 17 21 00 J1905+0952 19 59 05 46.4 558.9 0.9 11.6 16 1048 17 21 00 17 22 50 =1903+097 20 00 56 46.3 559.6 0.9 12.0 110 1055 17 21 01 17 22 50 GRS1915 20 00 56 47.8 556.5 0.7 10.2 -23 1055 No stop 17 26 20 --- 20 04 26 47.7 557.8 0.8 11.0 187 1069 17 22 51 17 26 20 J1905+0952 20 04 26 46.1 560.8 1.0 12.8 -24 1069 No stop 17 28 50 =1903+097 20 06 57 46.0 561.6 1.0 13.3 126 1078 17 26 21 17 28 50 GRS1915 20 06 57 47.6 558.6 0.8 11.5 -23 1078 No stop 17 32 20 --- 20 10 27 47.4 559.9 0.9 12.3 187 1092 17 28 51 17 33 00 J1905+0952 20 11 07 45.7 563.1 1.1 14.1 16 1092 17 33 00 17 34 50 =1903+097 20 12 58 45.6 563.7 1.1 14.5 110 1099 17 33 01 17 34 50 GRS1915 20 12 58 47.2 560.8 0.9 12.8 -23 1099 No stop 17 38 20 --- 20 16 28 47.0 562.0 1.0 13.5 187 1112 17 34 51 17 38 20 J1905+0952 20 16 28 45.4 564.9 1.2 15.2 -24 1112 No stop 17 40 50 =1903+097 20 18 59 45.3 565.7 1.2 15.7 126 1122 17 38 21 17 40 50 GRS1915 20 18 59 46.9 562.9 1.0 14.1 -23 1122 No stop 17 44 20 --- 20 22 29 46.7 564.1 1.1 14.8 187 1136 17 40 51 Schedule for CAMBG32M (Code Cm ) Page 9 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 17 45 00 J1905+0952 20 23 09 45.0 567.2 1.3 16.5 17 1136 17 45 00 17 46 50 =1903+097 20 25 00 44.8 567.8 1.3 16.9 110 1143 17 45 01 17 46 50 GRS1915 20 25 00 46.5 565.0 1.1 15.3 -22 1143 No stop 17 50 20 --- 20 28 30 46.3 566.2 1.2 16.0 188 1156 17 46 51 17 50 20 J1905+0952 20 28 30 44.6 568.9 1.4 17.5 -23 1156 No stop 17 52 50 =1903+097 20 31 01 44.4 569.7 1.4 18.0 127 1166 17 50 21 17 52 50 GRS1915 20 31 01 46.1 567.0 1.2 16.5 -22 1166 No stop 17 56 20 --- 20 34 31 45.9 568.2 1.3 17.2 188 1179 17 52 51 17 57 00 J1905+0952 20 35 11 44.1 571.1 1.5 18.8 17 1179 17 57 00 17 58 50 =1903+097 20 37 02 43.9 571.7 1.5 19.1 110 1186 17 57 01 17 58 50 J1913+0932 20 37 02 44.2 569.0 1.4 17.6 -22 1186 No stop 18 01 20 --- 20 39 32 44.0 569.9 1.4 18.0 128 1196 17 58 51 18 02 00 J1905+0952 20 40 12 43.7 572.7 1.6 19.7 17 1196 18 02 00 18 04 00 =1903+097 20 42 13 43.5 573.4 1.6 20.0 120 1204 18 02 01 18 04 00 GRS1915 20 42 13 45.3 570.8 1.4 18.6 -22 1204 No stop 18 07 30 --- 20 45 43 45.0 571.9 1.5 19.3 188 1217 18 04 01 18 07 30 J1905+0952 20 45 43 43.2 574.5 1.7 20.6 -22 1217 No stop 18 10 00 =1903+097 20 48 13 43.0 575.3 1.7 21.1 128 1227 18 07 31 18 10 00 GRS1915 20 48 13 44.8 572.8 1.5 19.8 -21 1227 No stop 18 13 30 --- 20 51 44 44.5 573.9 1.6 20.4 189 1241 18 10 01 18 14 10 J1905+0952 20 52 24 42.6 576.6 1.8 21.8 18 1241 18 14 10 18 16 10 =1903+097 20 54 25 42.4 577.2 1.8 22.1 120 1248 18 14 11 18 16 10 GRS1915 20 54 25 44.3 574.8 1.6 20.9 -21 1248 No stop 18 19 40 --- 20 57 55 44.0 575.9 1.7 21.5 189 1262 18 16 11 18 19 40 J1905+0952 20 57 55 42.1 578.3 1.9 22.7 -22 1262 No stop 18 22 10 =1903+097 21 00 25 41.8 579.0 1.9 23.1 128 1271 18 19 41 18 22 10 GRS1915 21 00 25 43.7 576.7 1.7 21.9 -21 1271 No stop 18 25 40 --- 21 03 56 43.4 577.8 1.8 22.5 189 1285 18 22 11 18 26 20 J1905+0952 21 04 36 41.4 580.3 2.0 23.8 19 1285 18 26 20 18 28 20 =1903+097 21 06 37 41.2 580.9 2.0 24.1 120 1293 18 26 21 Schedule for CAMBG32M (Code Cm ) Page 10 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 18 28 20 GRS1915 21 06 37 43.2 578.6 1.8 22.9 -20 1293 No stop 18 31 50 --- 21 10 07 42.8 579.7 1.9 23.5 190 1306 18 28 21 18 31 50 J1905+0952 21 10 07 40.9 582.0 2.1 24.6 -21 1306 No stop 18 34 20 =1903+097 21 12 37 40.6 582.7 2.1 25.0 129 1316 18 31 51 18 34 20 GRS1915 21 12 37 42.6 580.4 1.9 23.9 -20 1316 No stop 18 37 50 --- 21 16 08 42.2 581.5 2.0 24.5 190 1329 18 34 21 18 38 30 J1905+0952 21 16 48 40.2 583.9 2.2 25.6 19 1329 18 38 30 18 40 30 =1903+097 21 18 48 40.0 584.5 2.2 25.9 120 1337 18 38 31 18 40 30 GRS1915 21 18 48 41.9 582.3 2.0 24.9 -21 1337 No stop 18 44 00 --- 21 22 19 41.6 583.4 2.1 25.4 189 1351 18 40 31 18 44 00 J1905+0952 21 22 19 39.6 585.5 2.3 26.4 -21 1351 No stop 18 46 30 =1903+097 21 24 49 39.3 586.2 2.3 26.7 129 1360 18 44 01 18 46 30 GRS1915 21 24 49 41.3 584.1 2.1 25.8 -21 1360 No stop 18 50 00 --- 21 28 20 40.9 585.1 2.2 26.3 189 1374 18 46 31 18 50 40 J1905+0952 21 29 00 38.8 587.4 2.4 27.3 19 1374 18 50 40 18 52 40 =1903+097 21 31 00 38.6 588.0 2.4 27.5 120 1382 18 50 41 18 52 40 J1913+0932 21 31 00 39.2 585.6 2.3 26.4 -21 1382 No stop 18 55 10 --- 21 33 31 38.9 586.3 2.3 26.7 129 1391 18 52 41 18 55 50 J1905+0952 21 34 11 38.3 588.8 2.5 28.0 19 1391 18 55 50 18 57 50 =1903+097 21 36 11 38.0 589.4 2.5 28.2 120 1399 18 55 51 18 57 50 GRS1915 21 36 11 40.1 587.4 2.3 27.4 -21 1399 No stop 19 01 20 --- 21 39 42 39.7 588.4 2.4 27.8 189 1413 18 57 51 19 01 20 J1905+0952 21 39 42 37.6 590.4 2.6 28.7 -21 1413 No stop 19 03 50 =1903+097 21 42 12 37.3 591.0 2.6 29.0 129 1422 19 01 21 19 03 50 GRS1915 21 42 12 39.4 589.1 2.4 28.2 -21 1422 No stop 19 07 20 --- 21 45 43 39.0 590.1 2.5 28.6 189 1436 19 03 51 19 08 00 J1905+0952 21 46 23 36.8 592.2 2.7 29.5 19 1436 19 08 00 19 10 00 =1903+097 21 48 23 36.6 592.7 2.7 29.7 120 1443 19 08 01 19 10 00 GRS1915 21 48 23 38.7 590.8 2.5 29.0 -21 1443 No stop 19 13 30 --- 21 51 54 38.2 591.8 2.6 29.4 189 1457 19 10 01 Schedule for CAMBG32M (Code Cm ) Page 11 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 19 13 30 J1905+0952 21 51 54 36.1 593.6 2.8 30.1 -22 1457 No stop 19 16 00 =1903+097 21 54 24 35.8 594.3 2.8 30.4 128 1467 19 13 31 19 16 00 GRS1915 21 54 24 37.9 592.4 2.6 29.7 -21 1467 No stop 19 19 30 --- 21 57 55 37.5 593.4 2.7 30.1 189 1480 19 16 01 19 20 10 J1905+0952 21 58 35 35.3 595.4 2.9 30.8 18 1480 19 20 10 19 22 10 =1903+097 22 00 35 35.0 595.9 2.9 31.0 120 1488 19 20 11 19 22 10 GRS1915 22 00 35 37.2 594.1 2.7 30.4 -21 1488 No stop 19 25 40 --- 22 04 06 36.7 595.0 2.8 30.8 189 1501 19 22 11 19 25 40 J1905+0952 22 04 06 34.6 596.8 3.0 31.4 -22 1501 No stop 19 28 10 =1903+097 22 06 36 34.3 597.4 3.0 31.7 128 1511 19 25 41 19 28 10 GRS1915 22 06 36 36.4 595.7 2.8 31.1 -21 1511 No stop 19 31 40 --- 22 10 07 36.0 596.6 2.9 31.4 189 1525 19 28 11 19 32 20 J1905+0952 22 10 47 33.7 598.5 3.1 32.1 18 1525 19 32 20 19 34 20 =1903+097 22 12 47 33.5 599.0 3.1 32.3 120 1532 19 32 21 19 34 20 J1913+0932 22 12 47 34.2 596.8 3.0 31.4 -20 1532 No stop 19 36 50 --- 22 15 18 33.9 597.5 3.0 31.6 130 1542 19 34 21 19 37 30 J1905+0952 22 15 58 33.0 599.8 3.2 32.6 20 1542 19 37 30 19 39 30 =1903+097 22 17 58 32.8 600.3 3.2 32.7 120 1550 19 37 31 19 39 30 GRS1915 22 17 58 35.0 598.6 3.0 32.2 -21 1550 No stop 19 43 00 --- 22 21 29 34.5 599.5 3.1 32.6 189 1563 19 39 31 19 43 00 J1905+0952 22 21 29 32.3 601.1 3.2 33.0 -22 1563 No stop 19 45 30 =1903+097 22 23 59 32.0 601.8 3.3 33.3 128 1573 19 43 01 19 45 30 GRS1915 22 23 59 34.2 600.1 3.1 32.8 -21 1573 No stop 19 49 00 --- 22 27 30 33.7 601.0 3.2 33.1 189 1586 19 45 31 19 49 40 J1905+0952 22 28 10 31.4 602.8 3.4 33.6 18 1586 19 49 40 19 51 40 =1903+097 22 30 10 31.1 603.2 3.4 33.8 120 1594 19 49 41 19 51 40 GRS1915 22 30 10 33.3 601.6 3.2 33.4 -22 1594 No stop 19 55 10 --- 22 33 41 32.9 602.5 3.3 33.7 188 1608 19 51 41 19 55 10 J1905+0952 22 33 41 30.7 604.1 3.5 34.1 -22 1608 No stop 19 57 40 =1903+097 22 36 11 30.3 604.7 3.5 34.2 128 1617 19 55 11 Schedule for CAMBG32M (Code Cm ) Page 12 Probing the radio jets in GRS1915+105 in a new puzzling accretion state UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 30 Oct 2020 Day 304 --- 19 57 40 GRS1915 22 36 11 32.5 603.1 3.3 33.9 -22 1617 No stop 20 01 10 --- 22 39 42 32.0 604.0 3.4 34.1 188 1631 19 57 41 20 01 50 J1905+0952 22 40 22 29.7 605.7 3.6 34.6 18 1631 20 01 50 20 03 50 =1903+097 22 42 22 29.4 606.1 3.6 34.7 120 1639 20 01 51 20 03 50 GRS1915 22 42 22 31.7 604.6 3.4 34.4 -22 1639 No stop 20 07 20 --- 22 45 53 31.2 605.4 3.5 34.6 188 1652 20 03 51 20 07 20 J1905+0952 22 45 53 28.9 606.9 3.7 34.9 -22 1652 No stop 20 09 50 =1903+097 22 48 23 28.6 607.5 3.7 35.1 128 1662 20 07 21 20 09 50 GRS1915 22 48 23 30.8 606.0 3.5 34.8 -22 1662 No stop 20 13 20 --- 22 51 54 30.3 606.8 3.6 35.1 188 1675 20 09 51 20 14 00 J1905+0952 22 52 34 28.0 608.5 3.8 35.4 18 1675 20 14 00 20 16 00 =1903+097 22 54 34 27.7 608.9 3.8 35.5 120 1683 20 14 01 20 16 00 J1913+0932 22 54 34 28.6 606.9 3.7 34.9 -19 1683 No stop 20 18 30 --- 22 57 05 28.2 607.5 3.7 35.1 131 1693 20 16 01 20 19 10 J1905+0952 22 57 45 27.3 609.6 3.9 35.7 20 1693 20 19 10 20 22 40 =1903+097 23 01 15 26.8 610.4 3.9 35.9 210 1706 20 19 11 20 24 00 J2253+1608 23 02 36 54.1 543.1 0.1 2.0 -48 1706 20 24 00 20 30 00 =3C454.3 23 08 36 54.0 545.6 0.2 3.6 312 1729 20 24 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess320.C2048 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 15 Station: CAMBG32M Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 5664.00 5664.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 14 Setup file default. Used with PCAL = off LO sum= 4958.49 4958.49 BBC fr= 705.51 705.51 Bandwd= 64.00 64.00 Matching frequency sets: 14 15 16 17 18 Track assignments are: track1= 1, 2 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * GRS1915 19 12 49.958613 * 19 15 11.544821 19 16 08.946282 0.00 GRS1915+105 10 51 26.57111 * 10 56 44.62477 10 59 05.89093 0.00 From catalog imbedded in main SCHED input file. * J1913+0932 19 11 00.869981 * 19 13 24.025348 19 14 22.061653 0.00 09 27 34.81592 * 09 32 45.37648 09 35 03.19161 0.00 From catalog imbedded in main SCHED input file. 1758+388 17 58 44.703954 * 18 00 24.765363 18 01 04.600553 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69748 38 48 44.84096 0.01 J1800+38 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 5095 observations. 1903+097 19 03 17.231910 * 19 05 39.898972 19 06 37.696026 0.13 * J1905+0952 09 47 30.15815 * 09 52 08.40750 09 54 13.05426 0.22 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 104 observations. 3C454.3 22 51 29.519739 * 22 53 57.747939 22 54 59.130379 0.65 * J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 37.30815 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline GRS1915 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 3.967 475.462 J1913+0932 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.375 40.584 J1800+3848 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 0.167 21.144 J1905+0952 sess320.C2048 1 2 3 4 5 6 7 8 9 10 11 14 2.850 343.015 J2253+1608 sess320.C2048 1 2 3 4 5 7 8 9 10 11 14 0.100 9.530 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) GRS1915 77.2 J1913+0932 76.4 J1800+3848 73.6 J1905+0952 74.7 J2253+1608 130.3 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg