COVER INFORMATION Station: CAMBG32M (Code Cm ) 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 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- Next scan frequencies: 4926.49 4926.49 Next BBC frequencies: 737.51 737.51 Next scan bandwidths: 64.00 64.00 21 30 00 J1800+3848 15 11 38 58.0 457.6 -2.8 -51.3 0 0 21 30 00 21 35 00 =1758+388 15 16 38 58.8 458.8 -2.7 -51.1 300 19 21 30 01 21 37 00 J1905+0952 15 18 39 27.7 471.1 -3.8 -35.5 10 19 21 37 00 21 39 30 =1903+097 15 21 09 28.1 471.6 -3.8 -35.4 150 29 21 37 01 21 39 30 GRS1915 15 21 09 27.6 468.8 -3.9 -36.3 -23 29 No stop 21 43 00 --- 15 24 40 28.1 469.6 -3.9 -36.1 187 43 21 39 31 21 43 40 J1905+0952 15 25 20 28.6 472.6 -3.7 -35.1 17 43 21 43 40 21 45 30 =1903+097 15 27 10 28.9 473.0 -3.7 -35.0 110 50 21 43 41 21 45 30 GRS1915 15 27 10 28.4 470.1 -3.8 -35.9 -23 50 No stop 21 49 00 --- 15 30 41 28.9 470.9 -3.8 -35.7 187 63 21 45 31 21 49 00 J1905+0952 15 30 41 29.4 473.8 -3.6 -34.7 -23 63 No stop 21 51 30 =1903+097 15 33 11 29.8 474.4 -3.6 -34.5 127 73 21 49 01 21 51 30 GRS1915 15 33 11 29.3 471.5 -3.7 -35.5 -23 73 No stop 21 55 00 --- 15 36 42 29.8 472.3 -3.7 -35.3 187 86 21 51 31 21 55 40 J1905+0952 15 37 22 30.3 475.4 -3.5 -34.2 16 86 21 55 40 21 57 30 =1903+097 15 39 12 30.6 475.8 -3.5 -34.1 110 93 21 55 41 21 57 30 GRS1915 15 39 12 30.1 472.9 -3.6 -35.1 -23 93 No stop 22 01 00 --- 15 42 43 30.6 473.7 -3.6 -34.9 187 107 21 57 31 22 01 00 J1905+0952 15 42 43 31.1 476.7 -3.4 -33.8 -24 107 No stop 22 03 30 =1903+097 15 45 13 31.4 477.3 -3.4 -33.6 126 117 22 01 01 22 03 30 GRS1915 15 45 13 31.0 474.3 -3.5 -34.7 -23 117 No stop 22 07 00 --- 15 48 44 31.5 475.1 -3.5 -34.5 187 130 22 03 31 22 07 40 J1905+0952 15 49 24 32.0 478.3 -3.3 -33.3 16 130 22 07 40 22 09 30 =1903+097 15 51 14 32.2 478.7 -3.3 -33.1 110 137 22 07 41 22 09 30 GRS1915 15 51 14 31.8 475.7 -3.4 -34.3 -23 137 No stop 22 13 00 --- 15 54 45 32.3 476.5 -3.4 -34.0 187 151 22 09 31 22 13 00 J1905+0952 15 54 45 32.7 479.6 -3.2 -32.8 -24 151 No stop 22 15 30 =1903+097 15 57 15 33.0 480.2 -3.2 -32.6 126 160 22 13 01 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 22 15 30 GRS1915 15 57 15 32.7 477.2 -3.3 -33.8 -23 160 No stop 22 19 00 --- 16 00 46 33.1 478.0 -3.3 -33.5 187 174 22 15 31 22 19 40 J1905+0952 16 01 26 33.6 481.2 -3.1 -32.2 16 174 22 19 40 22 21 30 =1903+097 16 03 16 33.8 481.7 -3.1 -32.0 110 181 22 19 41 22 21 30 GRS1915 16 03 16 33.5 478.6 -3.2 -33.3 -23 181 No stop 22 25 00 --- 16 06 47 33.9 479.5 -3.2 -32.9 187 195 22 21 31 22 25 00 J1905+0952 16 06 47 34.3 482.6 -3.0 -31.6 -24 195 No stop 22 27 30 =1903+097 16 09 17 34.6 483.2 -3.0 -31.4 126 204 22 25 01 22 27 30 GRS1915 16 09 17 34.3 480.1 -3.1 -32.7 -24 204 No stop 22 31 00 --- 16 12 48 34.7 481.0 -3.1 -32.4 186 218 22 27 31 22 31 40 J1905+0952 16 13 28 35.1 484.3 -2.9 -31.0 16 218 22 31 40 22 33 30 =1903+097 16 15 18 35.4 484.8 -2.9 -30.8 110 225 22 31 41 22 33 30 J1913+0932 16 15 18 34.1 483.0 -3.0 -31.5 -18 225 No stop 22 37 00 --- 16 18 49 34.6 483.9 -2.9 -31.1 192 238 22 33 31 22 38 00 J1905+0952 16 19 49 35.9 485.9 -2.8 -30.3 41 238 22 38 00 22 40 30 =1903+097 16 22 19 36.2 486.6 -2.7 -30.0 150 248 22 38 01 22 40 30 GRS1915 16 22 19 36.0 483.4 -2.9 -31.4 -24 248 No stop 22 44 00 --- 16 25 50 36.4 484.3 -2.8 -31.1 186 262 22 40 31 22 44 00 J1905+0952 16 25 50 36.7 487.5 -2.7 -29.6 -25 262 No stop 22 46 30 =1903+097 16 28 20 37.0 488.2 -2.6 -29.3 125 271 22 44 01 22 46 30 GRS1915 16 28 20 36.7 485.0 -2.8 -30.8 -24 271 No stop 22 50 00 --- 16 31 51 37.2 485.9 -2.7 -30.4 186 285 22 46 31 22 50 40 J1905+0952 16 32 31 37.5 489.3 -2.6 -28.8 15 285 22 50 40 22 52 30 =1903+097 16 34 21 37.7 489.8 -2.5 -28.6 110 292 22 50 41 22 52 30 GRS1915 16 34 21 37.5 486.6 -2.7 -30.1 -24 292 No stop 22 56 00 --- 16 37 52 37.9 487.5 -2.6 -29.7 186 305 22 52 31 22 56 00 J1905+0952 16 37 52 38.1 490.8 -2.5 -28.1 -25 305 No stop 22 58 30 =1903+097 16 40 22 38.4 491.5 -2.4 -27.8 125 315 22 56 01 22 58 30 GRS1915 16 40 22 38.2 488.2 -2.6 -29.4 -24 315 No stop 23 02 00 --- 16 43 53 38.6 489.2 -2.5 -29.0 186 328 22 58 31 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 23 02 40 J1905+0952 16 44 33 38.9 492.7 -2.4 -27.2 15 328 23 02 40 23 04 30 =1903+097 16 46 23 39.1 493.2 -2.3 -27.0 110 336 23 02 41 23 04 30 GRS1915 16 46 23 38.9 489.9 -2.5 -28.7 -24 336 No stop 23 08 00 --- 16 49 54 39.3 490.8 -2.4 -28.2 186 349 23 04 31 23 08 00 J1905+0952 16 49 54 39.5 494.2 -2.3 -26.5 -25 349 No stop 23 10 30 =1903+097 16 52 24 39.7 494.9 -2.2 -26.2 125 359 23 08 01 23 10 30 GRS1915 16 52 24 39.6 491.5 -2.4 -27.9 -24 359 No stop 23 14 00 --- 16 55 55 40.0 492.5 -2.3 -27.4 186 372 23 10 31 23 14 40 J1905+0952 16 56 35 40.2 496.1 -2.2 -25.6 15 372 23 14 40 23 16 30 =1903+097 16 58 25 40.4 496.6 -2.1 -25.3 110 379 23 14 41 23 16 30 GRS1915 16 58 25 40.3 493.3 -2.3 -27.1 -24 379 No stop 23 20 00 --- 17 01 56 40.7 494.3 -2.2 -26.6 186 393 23 16 31 23 20 00 J1905+0952 17 01 56 40.7 497.7 -2.1 -24.8 -25 393 No stop 23 22 30 =1903+097 17 04 26 41.0 498.4 -2.0 -24.4 125 403 23 20 01 23 22 30 GRS1915 17 04 26 41.0 495.0 -2.2 -26.2 -25 403 No stop 23 26 00 --- 17 07 57 41.4 496.0 -2.1 -25.7 185 416 23 22 31 23 26 40 J1905+0952 17 08 37 41.4 499.7 -2.0 -23.8 15 416 23 26 40 23 28 30 =1903+097 17 10 27 41.6 500.2 -1.9 -23.5 110 423 23 26 41 23 28 30 GRS1915 17 10 27 41.6 496.8 -2.1 -25.3 -25 423 No stop 23 32 00 --- 17 13 58 42.0 497.8 -2.0 -24.8 185 437 23 28 31 23 32 00 J1905+0952 17 13 58 41.9 501.3 -1.9 -22.9 -25 437 No stop 23 34 30 =1903+097 17 16 28 42.2 502.0 -1.8 -22.5 125 446 23 32 01 23 34 30 J1913+0932 17 16 28 41.1 499.9 -2.0 -23.6 -20 446 No stop 23 38 00 --- 17 19 59 41.5 500.9 -1.9 -23.1 190 460 23 34 31 23 39 00 J1905+0952 17 20 59 42.6 503.4 -1.8 -21.8 39 460 23 39 00 23 41 30 =1903+097 17 23 29 42.8 504.2 -1.7 -21.3 150 470 23 39 01 23 41 30 GRS1915 17 23 29 42.9 500.7 -1.9 -23.3 -25 470 No stop 23 45 00 --- 17 27 00 43.3 501.8 -1.8 -22.7 185 483 23 41 31 23 45 00 J1905+0952 17 27 00 43.1 505.3 -1.7 -20.7 -26 483 No stop 23 47 30 =1903+097 17 29 30 43.4 506.1 -1.6 -20.3 124 493 23 45 01 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 ---------------------------------------------------------------------------------------- --- Wed 16 Jun 2021 Day 167 --- 23 47 30 GRS1915 17 29 30 43.5 502.6 -1.8 -22.3 -25 493 No stop 23 51 00 --- 17 33 01 43.8 503.7 -1.7 -21.7 185 506 23 47 31 23 51 40 J1905+0952 17 33 41 43.7 507.5 -1.6 -19.6 14 506 23 51 40 23 53 30 =1903+097 17 35 31 43.9 508.0 -1.5 -19.2 110 513 23 51 41 23 53 30 GRS1915 17 35 31 44.1 504.5 -1.7 -21.3 -25 513 No stop 23 57 00 --- 17 39 02 44.4 505.6 -1.6 -20.7 185 527 23 53 31 23 57 00 J1905+0952 17 39 02 44.1 509.2 -1.5 -18.6 -26 527 No stop 23 59 30 =1903+097 17 41 32 44.3 510.0 -1.4 -18.1 124 537 23 57 01 --- Start: Wed 16 Jun 2021 Day 167 -- Stop: Thu 17 Jun 2021 Day 168 --- 23 59 30 GRS1915 17 41 32 44.6 506.4 -1.6 -20.2 -25 537 No stop 00 03 00 --- 17 45 03 44.9 507.5 -1.5 -19.6 185 550 23 59 31 00 03 40 J1905+0952 17 45 43 44.6 511.4 -1.3 -17.4 14 550 00 03 40 00 05 30 =1903+097 17 47 33 44.8 512.0 -1.3 -17.0 110 557 00 03 41 00 05 30 GRS1915 17 47 33 45.1 508.4 -1.5 -19.1 -25 557 No stop 00 09 00 --- 17 51 04 45.4 509.5 -1.4 -18.5 185 571 00 05 31 00 09 00 J1905+0952 17 51 04 45.0 513.2 -1.3 -16.3 -26 571 No stop 00 11 30 =1903+097 17 53 34 45.2 514.0 -1.2 -15.8 124 580 00 09 01 00 11 30 GRS1915 17 53 34 45.6 510.4 -1.4 -18.0 -25 580 No stop 00 15 00 --- 17 57 05 45.8 511.5 -1.3 -17.3 185 594 00 11 31 00 15 40 J1905+0952 17 57 45 45.5 515.4 -1.1 -15.0 14 594 00 15 40 00 17 30 =1903+097 17 59 35 45.6 516.0 -1.1 -14.7 110 601 00 15 41 00 17 30 GRS1915 17 59 35 46.0 512.4 -1.3 -16.8 -25 601 No stop 00 21 00 --- 18 03 06 46.2 513.6 -1.2 -16.1 185 614 00 17 31 00 21 00 J1905+0952 18 03 06 45.8 517.2 -1.1 -13.9 -26 614 No stop 00 23 30 =1903+097 18 05 36 45.9 518.1 -1.0 -13.4 124 624 00 21 01 00 23 30 GRS1915 18 05 36 46.4 514.4 -1.2 -15.6 -25 624 No stop 00 27 00 --- 18 09 07 46.6 515.6 -1.1 -14.9 185 638 00 23 31 00 27 40 J1905+0952 18 09 47 46.2 519.5 -0.9 -12.6 14 638 00 27 40 00 29 30 =1903+097 18 11 37 46.3 520.2 -0.9 -12.2 110 645 00 27 41 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 00 29 30 GRS1915 18 11 37 46.8 516.5 -1.1 -14.4 -25 645 No stop 00 33 00 --- 18 15 08 47.0 517.7 -1.0 -13.7 185 658 00 29 31 00 33 00 J1905+0952 18 15 08 46.5 521.4 -0.9 -11.5 -26 658 No stop 00 35 30 =1903+097 18 17 38 46.6 522.3 -0.8 -10.9 124 668 00 33 01 00 35 30 J1913+0932 18 17 38 45.9 519.7 -0.9 -12.5 -22 668 No stop 00 39 00 --- 18 21 09 46.1 520.9 -0.9 -11.8 188 681 00 35 31 00 40 00 J1905+0952 18 22 09 46.8 523.9 -0.7 -10.0 37 681 00 40 00 00 42 30 =1903+097 18 24 39 46.9 524.8 -0.7 -9.4 150 691 00 40 01 00 42 30 GRS1915 18 24 39 47.5 521.1 -0.9 -11.7 -25 691 No stop 00 46 00 --- 18 28 10 47.7 522.3 -0.8 -10.9 185 705 00 42 31 00 46 00 J1905+0952 18 28 10 47.0 526.0 -0.6 -8.7 -26 705 No stop 00 48 30 =1903+097 18 30 40 47.1 526.9 -0.6 -8.1 124 714 00 46 01 00 48 30 GRS1915 18 30 40 47.8 523.2 -0.8 -10.4 -25 714 No stop 00 52 00 --- 18 34 11 47.9 524.5 -0.7 -9.6 185 728 00 48 31 00 52 40 J1905+0952 18 34 51 47.2 528.4 -0.5 -7.2 14 728 00 52 40 00 54 30 =1903+097 18 36 41 47.3 529.1 -0.5 -6.8 110 735 00 52 41 00 54 30 GRS1915 18 36 41 48.0 525.4 -0.7 -9.1 -25 735 No stop 00 58 00 --- 18 40 12 48.2 526.7 -0.6 -8.3 185 748 00 54 31 00 58 00 J1905+0952 18 40 12 47.4 530.3 -0.4 -6.0 -26 748 No stop 01 00 30 =1903+097 18 42 42 47.5 531.2 -0.4 -5.4 124 758 00 58 01 01 00 30 GRS1915 18 42 42 48.3 527.6 -0.6 -7.7 -25 758 No stop 01 04 00 --- 18 46 13 48.4 528.9 -0.5 -6.9 185 772 01 00 31 01 04 40 J1905+0952 18 46 53 47.5 532.8 -0.3 -4.5 14 772 01 04 40 01 06 30 =1903+097 18 48 43 47.6 533.4 -0.3 -4.1 110 779 01 04 41 01 06 30 GRS1915 18 48 43 48.4 529.8 -0.5 -6.4 -25 779 No stop 01 10 00 --- 18 52 14 48.5 531.1 -0.4 -5.6 185 792 01 06 31 01 10 00 J1905+0952 18 52 14 47.6 534.7 -0.2 -3.3 -26 792 No stop 01 12 30 =1903+097 18 54 44 47.7 535.6 -0.2 -2.7 124 802 01 10 01 01 12 30 GRS1915 18 54 44 48.6 532.0 -0.4 -5.0 -25 802 No stop 01 16 00 --- 18 58 15 48.7 533.3 -0.3 -4.2 185 815 01 12 31 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 01 16 40 J1905+0952 18 58 55 47.7 537.2 -0.1 -1.8 14 815 01 16 40 01 18 30 =1903+097 19 00 45 47.7 537.8 -0.1 -1.4 110 823 01 16 41 01 18 30 GRS1915 19 00 45 48.7 534.2 -0.3 -3.6 -25 823 No stop 01 22 00 --- 19 04 16 48.7 535.6 -0.2 -2.8 185 836 01 18 31 01 22 00 J1905+0952 19 04 16 47.7 539.1 -0.0 -0.6 -26 836 No stop 01 24 30 =1903+097 19 06 46 47.7 540.0 0.0 0.0 124 846 01 22 01 01 24 30 GRS1915 19 06 46 48.8 536.5 -0.2 -2.2 -25 846 No stop 01 28 00 --- 19 10 17 48.8 537.8 -0.1 -1.4 185 859 01 24 31 01 28 40 J1905+0952 19 10 57 47.7 541.6 0.1 1.0 14 859 01 28 40 01 30 30 =1903+097 19 12 47 47.7 542.2 0.1 1.4 110 866 01 28 41 01 30 30 GRS1915 19 12 47 48.8 538.7 -0.1 -0.8 -25 866 No stop 01 34 00 --- 19 16 18 48.8 540.0 0.0 0.0 185 880 01 30 31 01 34 40 J1905+0952 19 16 58 47.7 543.8 0.2 2.3 14 880 01 34 40 01 36 30 =1903+097 19 18 48 47.7 544.4 0.2 2.8 110 887 01 34 41 01 36 30 J1913+0932 19 18 48 47.4 541.6 0.1 1.0 -22 887 No stop 01 39 00 --- 19 21 18 47.4 542.5 0.1 1.6 128 897 01 36 31 01 39 00 J1905+0952 19 21 18 47.6 545.3 0.2 3.3 -23 897 No stop 01 41 30 =1903+097 19 23 49 47.6 546.3 0.3 3.9 127 906 01 39 01 01 42 00 J1800+3848 19 24 19 70.4 595.4 1.4 40.4 -72 906 01 42 00 01 47 00 =1758+388 19 29 20 69.7 597.5 1.5 41.6 228 926 01 42 01 01 49 00 J1905+0952 19 31 20 47.4 549.0 0.4 5.6 19 926 01 49 00 01 51 30 =1903+097 19 33 50 47.4 549.9 0.5 6.1 150 935 01 49 01 01 51 30 GRS1915 19 33 50 48.7 546.6 0.3 4.1 -24 935 No stop 01 55 00 --- 19 37 21 48.6 547.9 0.4 4.9 186 949 01 51 31 01 55 00 J1905+0952 19 37 21 47.3 551.2 0.5 6.9 -25 949 No stop 01 57 30 =1903+097 19 39 51 47.2 552.1 0.6 7.5 125 958 01 55 01 01 57 30 GRS1915 19 39 51 48.5 548.8 0.4 5.5 -24 958 No stop 02 01 00 --- 19 43 22 48.4 550.1 0.5 6.3 186 972 01 57 31 02 01 40 J1905+0952 19 44 02 47.1 553.6 0.6 8.4 15 972 02 01 40 02 03 30 =1903+097 19 45 52 47.0 554.2 0.7 8.8 110 979 02 01 41 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 02 03 30 GRS1915 19 45 52 48.4 551.0 0.5 6.8 -24 979 No stop 02 07 00 --- 19 49 23 48.3 552.3 0.6 7.6 186 993 02 03 31 02 07 00 J1905+0952 19 49 23 46.9 555.5 0.7 9.6 -25 993 No stop 02 09 30 =1903+097 19 51 53 46.7 556.4 0.8 10.1 125 1002 02 07 01 02 09 30 GRS1915 19 51 53 48.2 553.2 0.6 8.2 -24 1002 No stop 02 13 00 --- 19 55 24 48.1 554.5 0.7 9.0 186 1016 02 09 31 02 13 40 J1905+0952 19 56 04 46.6 557.8 0.8 11.0 16 1016 02 13 40 02 15 30 =1903+097 19 57 54 46.5 558.5 0.9 11.4 110 1023 02 13 41 02 15 30 GRS1915 19 57 54 48.0 555.4 0.7 9.5 -23 1023 No stop 02 19 00 --- 20 01 25 47.8 556.6 0.8 10.3 187 1036 02 15 31 02 19 00 J1905+0952 20 01 25 46.3 559.7 0.9 12.1 -24 1036 No stop 02 21 30 =1903+097 20 03 55 46.2 560.6 1.0 12.6 126 1046 02 19 01 02 21 30 GRS1915 20 03 55 47.7 557.5 0.8 10.9 -23 1046 No stop 02 25 00 --- 20 07 26 47.5 558.8 0.9 11.6 187 1060 02 21 31 02 25 40 J1905+0952 20 08 06 45.9 562.0 1.0 13.5 16 1060 02 25 40 02 27 30 =1903+097 20 09 56 45.8 562.7 1.1 13.9 110 1067 02 25 41 02 27 30 GRS1915 20 09 56 47.4 559.7 0.9 12.2 -23 1067 No stop 02 31 00 --- 20 13 27 47.2 560.9 1.0 12.9 187 1080 02 27 31 02 31 00 J1905+0952 20 13 27 45.6 563.9 1.1 14.6 -24 1080 No stop 02 33 30 =1903+097 20 15 57 45.5 564.7 1.2 15.1 126 1090 02 31 01 02 33 30 GRS1915 20 15 57 47.1 561.8 1.0 13.4 -23 1090 No stop 02 37 00 --- 20 19 28 46.9 563.0 1.1 14.2 187 1103 02 33 31 02 37 40 J1905+0952 20 20 08 45.2 566.1 1.2 15.9 17 1103 02 37 40 02 39 30 =1903+097 20 21 58 45.1 566.7 1.3 16.3 110 1110 02 37 41 02 39 30 GRS1915 20 21 58 46.7 563.9 1.1 14.7 -22 1110 No stop 02 43 00 --- 20 25 29 46.5 565.1 1.2 15.4 188 1124 02 39 31 02 43 00 J1905+0952 20 25 29 44.8 567.9 1.3 16.9 -23 1124 No stop 02 45 30 =1903+097 20 27 59 44.6 568.7 1.4 17.4 127 1134 02 43 01 02 45 30 J1913+0932 20 27 59 44.9 566.0 1.2 15.8 -22 1134 No stop 02 49 00 --- 20 31 30 44.6 567.2 1.3 16.5 188 1147 02 45 31 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 02 50 00 J1905+0952 20 32 30 44.3 570.2 1.4 18.3 37 1147 02 50 00 02 52 30 =1903+097 20 35 01 44.1 571.0 1.5 18.7 150 1157 02 50 01 02 52 30 GRS1915 20 35 01 45.8 568.4 1.3 17.3 -22 1157 No stop 02 56 00 --- 20 38 31 45.6 569.5 1.4 17.9 188 1170 02 52 31 02 56 00 J1905+0952 20 38 31 43.8 572.2 1.5 19.4 -23 1170 No stop 02 58 30 =1903+097 20 41 01 43.6 573.0 1.6 19.8 127 1180 02 56 01 02 58 30 GRS1915 20 41 01 45.4 570.4 1.4 18.4 -22 1180 No stop 03 02 00 --- 20 44 32 45.1 571.5 1.5 19.1 188 1194 02 58 31 03 02 40 J1905+0952 20 45 12 43.2 574.3 1.6 20.5 18 1194 03 02 40 03 04 30 =1903+097 20 47 02 43.1 574.9 1.7 20.9 110 1201 03 02 41 03 04 30 GRS1915 20 47 02 44.9 572.3 1.5 19.5 -21 1201 No stop 03 08 00 --- 20 50 33 44.6 573.5 1.6 20.2 189 1214 03 04 31 03 08 00 J1905+0952 20 50 33 42.8 576.0 1.7 21.5 -22 1214 No stop 03 10 30 =1903+097 20 53 03 42.5 576.8 1.8 21.9 128 1224 03 08 01 03 10 30 GRS1915 20 53 03 44.4 574.3 1.6 20.6 -21 1224 No stop 03 14 00 --- 20 56 34 44.1 575.4 1.7 21.2 189 1237 03 10 31 03 14 40 J1905+0952 20 57 14 42.2 578.1 1.8 22.6 18 1237 03 14 40 03 16 30 =1903+097 20 59 04 42.0 578.6 1.9 22.9 110 1244 03 14 41 03 16 30 GRS1915 20 59 04 43.9 576.2 1.7 21.7 -21 1244 No stop 03 20 00 --- 21 02 35 43.5 577.3 1.8 22.3 189 1258 03 16 31 03 20 00 J1905+0952 21 02 35 41.6 579.7 1.9 23.4 -21 1258 No stop 03 22 30 =1903+097 21 05 05 41.4 580.4 2.0 23.8 129 1268 03 20 01 03 22 30 GRS1915 21 05 05 43.3 578.1 1.8 22.7 -21 1268 No stop 03 26 00 --- 21 08 36 43.0 579.2 1.9 23.3 189 1281 03 22 31 03 26 40 J1905+0952 21 09 16 41.0 581.7 2.0 24.5 19 1281 03 26 40 03 28 30 =1903+097 21 11 06 40.8 582.2 2.1 24.7 110 1288 03 26 41 03 28 30 GRS1915 21 11 06 42.7 580.0 1.9 23.7 -20 1288 No stop 03 32 00 --- 21 14 37 42.4 581.0 2.0 24.2 190 1302 03 28 31 03 32 00 J1905+0952 21 14 37 40.4 583.3 2.1 25.3 -21 1302 No stop 03 34 30 =1903+097 21 17 07 40.2 584.0 2.2 25.6 129 1311 03 32 01 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 03 34 30 GRS1915 21 17 07 42.1 581.8 2.0 24.6 -21 1311 No stop 03 38 00 --- 21 20 38 41.8 582.8 2.1 25.1 189 1325 03 34 31 03 38 40 J1905+0952 21 21 18 39.7 585.2 2.2 26.2 19 1325 03 38 40 03 40 30 =1903+097 21 23 08 39.5 585.7 2.3 26.5 110 1332 03 38 41 03 40 30 GRS1915 21 23 08 41.5 583.6 2.1 25.5 -21 1332 No stop 03 44 00 --- 21 26 39 41.1 584.6 2.2 26.0 189 1346 03 40 31 03 44 00 J1905+0952 21 26 39 39.1 586.7 2.3 27.0 -21 1346 No stop 03 46 30 =1903+097 21 29 09 38.8 587.4 2.4 27.3 129 1355 03 44 01 03 46 30 J1913+0932 21 29 09 39.4 585.0 2.2 26.1 -21 1355 No stop 03 50 00 --- 21 32 40 39.0 586.0 2.3 26.6 189 1369 03 46 31 03 51 00 J1905+0952 21 33 40 38.3 588.7 2.4 27.9 39 1369 03 51 00 03 53 30 =1903+097 21 36 11 38.0 589.4 2.5 28.2 150 1378 03 51 01 03 53 30 GRS1915 21 36 11 40.1 587.4 2.3 27.4 -21 1378 No stop 03 57 00 --- 21 39 41 39.7 588.4 2.4 27.8 189 1392 03 53 31 03 57 00 J1905+0952 21 39 41 37.6 590.3 2.5 28.6 -21 1392 No stop 03 59 30 =1903+097 21 42 12 37.3 591.0 2.6 28.9 129 1402 03 57 01 03 59 30 GRS1915 21 42 12 39.4 589.1 2.4 28.2 -21 1402 No stop 04 03 00 --- 21 45 42 39.0 590.0 2.5 28.6 189 1415 03 59 31 04 03 40 J1905+0952 21 46 22 36.8 592.1 2.7 29.4 19 1415 04 03 40 04 05 30 =1903+097 21 48 12 36.6 592.6 2.7 29.7 110 1422 04 03 41 04 05 30 GRS1915 21 48 12 38.7 590.7 2.5 28.9 -21 1422 No stop 04 09 00 --- 21 51 43 38.3 591.7 2.6 29.4 189 1436 04 05 31 04 09 00 J1905+0952 21 51 43 36.2 593.6 2.8 30.1 -22 1436 No stop 04 11 30 =1903+097 21 54 13 35.8 594.2 2.8 30.3 128 1445 04 09 01 04 11 30 GRS1915 21 54 13 38.0 592.4 2.6 29.7 -21 1445 No stop 04 15 00 --- 21 57 44 37.5 593.3 2.7 30.1 189 1459 04 11 31 04 15 40 J1905+0952 21 58 24 35.3 595.3 2.9 30.8 18 1459 04 15 40 04 17 30 =1903+097 22 00 14 35.1 595.8 2.9 31.0 110 1466 04 15 41 04 17 30 GRS1915 22 00 14 37.2 594.0 2.7 30.4 -21 1466 No stop 04 21 00 --- 22 03 45 36.8 594.9 2.8 30.7 189 1479 04 17 31 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 04 21 00 J1905+0952 22 03 45 34.6 596.7 3.0 31.4 -22 1479 No stop 04 23 30 =1903+097 22 06 15 34.3 597.3 3.0 31.6 128 1489 04 21 01 04 23 30 GRS1915 22 06 15 36.5 595.6 2.8 31.0 -21 1489 No stop 04 27 00 --- 22 09 46 36.0 596.5 2.9 31.4 189 1503 04 23 31 04 27 40 J1905+0952 22 10 26 33.8 598.4 3.1 32.0 18 1503 04 27 40 04 29 30 =1903+097 22 12 16 33.5 598.9 3.1 32.2 110 1510 04 27 41 04 29 30 GRS1915 22 12 16 35.7 597.1 2.9 31.7 -21 1510 No stop 04 33 00 --- 22 15 47 35.2 598.0 3.0 32.0 189 1523 04 29 31 04 33 00 J1905+0952 22 15 47 33.1 599.7 3.2 32.5 -22 1523 No stop 04 35 30 =1903+097 22 18 17 32.7 600.3 3.2 32.8 128 1533 04 33 01 04 35 30 GRS1915 22 18 17 34.9 598.7 3.0 32.3 -21 1533 No stop 04 39 00 --- 22 21 48 34.5 599.6 3.1 32.6 189 1546 04 35 31 04 39 40 J1905+0952 22 22 28 32.2 601.4 3.3 33.1 18 1546 04 39 40 04 41 30 =1903+097 22 24 18 31.9 601.8 3.3 33.3 110 1554 04 39 41 04 41 30 GRS1915 22 24 18 34.1 600.2 3.1 32.8 -22 1554 No stop 04 45 00 --- 22 27 49 33.7 601.0 3.2 33.1 188 1567 04 41 31 04 45 00 J1905+0952 22 27 49 31.5 602.7 3.4 33.6 -22 1567 No stop 04 47 30 =1903+097 22 30 19 31.1 603.3 3.4 33.8 128 1577 04 45 01 04 47 30 J1913+0932 22 30 19 31.9 601.2 3.3 33.0 -20 1577 No stop 04 51 00 --- 22 33 50 31.4 602.0 3.3 33.3 190 1590 04 47 31 04 52 00 J1905+0952 22 34 50 30.5 604.3 3.5 34.1 40 1590 04 52 00 04 54 30 =1903+097 22 37 21 30.2 604.9 3.5 34.3 150 1600 04 52 01 04 54 30 GRS1915 22 37 21 32.4 603.4 3.4 34.0 -22 1600 No stop 04 58 00 --- 22 40 51 31.9 604.2 3.4 34.2 188 1613 04 54 31 04 58 00 J1905+0952 22 40 51 29.7 605.8 3.6 34.6 -22 1613 No stop 05 00 30 =1903+097 22 43 22 29.3 606.3 3.6 34.8 128 1623 04 58 01 05 00 30 GRS1915 22 43 22 31.5 604.8 3.5 34.4 -22 1623 No stop 05 04 00 --- 22 46 52 31.0 605.6 3.5 34.7 188 1637 05 00 31 05 04 40 J1905+0952 22 47 32 28.7 607.3 3.7 35.1 18 1637 05 04 40 05 06 30 =1903+097 22 49 23 28.5 607.7 3.7 35.2 110 1644 05 04 41 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 ---------------------------------------------------------------------------------------- --- Thu 17 Jun 2021 Day 168 --- 05 06 30 GRS1915 22 49 23 30.7 606.2 3.6 34.9 -22 1644 No stop 05 10 00 --- 22 52 53 30.2 607.0 3.6 35.1 188 1657 05 06 31 05 10 00 J1905+0952 22 52 53 28.0 608.5 3.8 35.4 -22 1657 No stop 05 12 30 =1903+097 22 55 24 27.6 609.1 3.8 35.6 128 1667 05 10 01 05 12 30 GRS1915 22 55 24 29.8 607.6 3.7 35.3 -22 1667 No stop 05 16 00 --- 22 58 54 29.3 608.4 3.7 35.5 188 1680 05 12 31 05 16 40 J1905+0952 22 59 34 27.0 610.0 3.9 35.8 18 1680 05 16 40 05 18 30 =1903+097 23 01 24 26.7 610.4 3.9 35.9 110 1688 05 16 41 05 18 30 J1913+0932 23 01 24 27.6 608.5 3.8 35.4 -19 1688 No stop 05 21 00 --- 23 03 55 27.2 609.1 3.8 35.5 131 1697 05 18 31 05 21 00 J1905+0952 23 03 55 26.4 611.0 4.0 36.1 -20 1697 No stop 05 23 30 =1903+097 23 06 25 26.0 611.6 4.0 36.2 130 1707 05 21 01 05 23 30 J2253+1608 23 06 25 54.0 544.7 0.2 3.0 -127 1707 No stop 05 30 00 =3C454.3 23 12 56 53.9 547.3 0.3 4.7 263 1732 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: 16 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: 15 Setup file default. Used with PCAL = off LO sum= 4926.49 4926.49 BBC fr= 737.51 737.51 Bandwd= 64.00 64.00 Matching frequency sets: 15 16 17 18 19 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 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