COVER INFORMATION Station: CAMBG32M (Code Cm ) 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 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 5 Mar 2021 Day 64 --- Next scan frequencies: 4926.49 4926.49 Next BBC frequencies: 737.51 737.51 Next scan bandwidths: 64.00 64.00 04 00 00 J1800+3848 14 52 40 55.1 453.5 -3.1 -51.8 0 0 04 00 00 04 05 00 =1758+388 14 57 41 55.9 454.5 -3.1 -51.7 300 19 04 00 01 04 07 00 J1905+0952 14 59 41 25.0 466.9 -4.1 -36.6 10 19 04 07 00 04 09 30 =1903+097 15 02 11 25.3 467.4 -4.1 -36.4 150 29 04 07 01 04 09 30 GRS1915 15 02 11 24.8 464.6 -4.2 -37.2 -22 29 No stop 04 13 00 --- 15 05 42 25.3 465.4 -4.2 -37.0 188 43 04 09 31 04 13 00 J1905+0952 15 05 42 25.8 468.2 -4.0 -36.3 -23 43 No stop 04 15 30 =1903+097 15 08 12 26.2 468.7 -4.0 -36.1 127 52 04 13 01 04 15 30 GRS1915 15 08 12 25.7 465.9 -4.1 -36.9 -22 52 No stop 04 19 00 --- 15 11 43 26.2 466.7 -4.1 -36.8 188 66 04 15 31 04 19 40 J1905+0952 15 12 23 26.8 469.7 -3.9 -35.9 17 66 04 19 40 04 21 30 =1903+097 15 14 13 27.1 470.1 -3.9 -35.8 110 73 04 19 41 04 21 30 GRS1915 15 14 13 26.6 467.2 -4.0 -36.6 -23 73 No stop 04 25 00 --- 15 17 44 27.1 468.0 -4.0 -36.5 187 86 04 21 31 04 25 00 J1905+0952 15 17 44 27.6 470.9 -3.8 -35.6 -23 86 No stop 04 27 30 =1903+097 15 20 14 27.9 471.4 -3.8 -35.4 127 96 04 25 01 04 27 30 GRS1915 15 20 14 27.4 468.6 -3.9 -36.3 -23 96 No stop 04 31 00 --- 15 23 45 27.9 469.4 -3.9 -36.1 187 109 04 27 31 04 31 40 J1905+0952 15 24 25 28.5 472.4 -3.7 -35.1 17 109 04 31 40 04 33 30 =1903+097 15 26 15 28.8 472.8 -3.7 -35.0 110 117 04 31 41 04 33 30 GRS1915 15 26 15 28.3 469.9 -3.8 -36.0 -23 117 No stop 04 37 00 --- 15 29 46 28.8 470.7 -3.8 -35.8 187 130 04 33 31 04 37 00 J1905+0952 15 29 46 29.3 473.6 -3.6 -34.8 -23 130 No stop 04 39 30 =1903+097 15 32 16 29.6 474.2 -3.6 -34.6 127 140 04 37 01 04 39 30 GRS1915 15 32 16 29.2 471.3 -3.7 -35.6 -23 140 No stop 04 43 00 --- 15 35 47 29.7 472.1 -3.7 -35.4 187 153 04 39 31 04 43 40 J1905+0952 15 36 27 30.2 475.2 -3.5 -34.3 16 153 04 43 40 04 45 30 =1903+097 15 38 17 30.5 475.6 -3.5 -34.2 110 160 04 43 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 5 Mar 2021 Day 64 --- 04 45 30 GRS1915 15 38 17 30.0 472.7 -3.6 -35.2 -23 160 No stop 04 49 00 --- 15 41 48 30.5 473.5 -3.6 -35.0 187 174 04 45 31 04 49 00 J1905+0952 15 41 48 30.9 476.4 -3.4 -33.9 -24 174 No stop 04 51 30 =1903+097 15 44 18 31.3 477.0 -3.4 -33.7 126 184 04 49 01 04 51 30 GRS1915 15 44 18 30.9 474.1 -3.5 -34.8 -23 184 No stop 04 55 00 --- 15 47 49 31.4 474.9 -3.5 -34.5 187 197 04 51 31 04 55 40 J1905+0952 15 48 29 31.9 478.1 -3.3 -33.3 16 197 04 55 40 04 57 30 =1903+097 15 50 19 32.1 478.5 -3.3 -33.2 110 204 04 55 41 04 57 30 J1913+0932 15 50 19 30.8 476.8 -3.4 -33.7 -18 204 No stop 05 00 00 --- 15 52 50 31.1 477.4 -3.4 -33.5 132 214 04 57 31 05 00 40 J1905+0952 15 53 30 32.5 479.3 -3.2 -32.9 22 214 05 00 40 05 02 40 =1903+097 15 55 30 32.8 479.8 -3.2 -32.7 120 222 05 00 41 05 02 40 GRS1915 15 55 30 32.4 476.7 -3.3 -33.9 -23 222 No stop 05 06 10 --- 15 59 01 32.9 477.6 -3.3 -33.6 187 235 05 02 41 05 06 10 J1905+0952 15 59 01 33.3 480.6 -3.1 -32.4 -24 235 No stop 05 08 40 =1903+097 16 01 31 33.6 481.3 -3.1 -32.2 126 245 05 06 11 05 08 40 GRS1915 16 01 31 33.2 478.2 -3.2 -33.4 -23 245 No stop 05 12 10 --- 16 05 02 33.7 479.1 -3.2 -33.1 187 258 05 08 41 05 12 50 J1905+0952 16 05 42 34.1 482.3 -3.0 -31.7 16 258 05 12 50 05 14 40 =1903+097 16 07 32 34.4 482.8 -3.0 -31.6 110 265 05 12 51 05 14 40 GRS1915 16 07 32 34.0 479.7 -3.1 -32.9 -23 265 No stop 05 18 10 --- 16 11 03 34.5 480.6 -3.1 -32.5 187 279 05 14 41 05 18 10 J1905+0952 16 11 03 34.8 483.7 -2.9 -31.2 -24 279 No stop 05 20 40 =1903+097 16 13 33 35.1 484.3 -2.9 -30.9 126 289 05 18 11 05 20 40 GRS1915 16 13 33 34.8 481.2 -3.0 -32.3 -24 289 No stop 05 24 10 --- 16 17 04 35.3 482.1 -3.0 -32.0 186 302 05 20 41 05 24 50 J1905+0952 16 17 44 35.7 485.4 -2.8 -30.5 16 302 05 24 50 05 26 40 =1903+097 16 19 34 35.9 485.9 -2.8 -30.3 110 309 05 24 51 05 26 40 GRS1915 16 19 34 35.6 482.7 -2.9 -31.7 -24 309 No stop 05 30 10 --- 16 23 05 36.1 483.6 -2.9 -31.3 186 323 05 26 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 5 Mar 2021 Day 64 --- 05 30 10 J1905+0952 16 23 05 36.3 486.8 -2.7 -29.9 -24 323 No stop 05 32 40 =1903+097 16 25 35 36.6 487.5 -2.7 -29.6 126 332 05 30 11 05 32 40 GRS1915 16 25 35 36.4 484.3 -2.8 -31.1 -24 332 No stop 05 36 10 --- 16 29 06 36.8 485.2 -2.8 -30.7 186 346 05 32 41 05 36 50 J1905+0952 16 29 46 37.1 488.6 -2.6 -29.1 15 346 05 36 50 05 38 40 =1903+097 16 31 36 37.4 489.1 -2.6 -28.9 110 353 05 36 51 05 38 40 GRS1915 16 31 36 37.1 485.9 -2.7 -30.4 -24 353 No stop 05 42 10 --- 16 35 07 37.6 486.8 -2.7 -30.0 186 366 05 38 41 05 42 10 J1905+0952 16 35 07 37.8 490.1 -2.5 -28.5 -25 366 No stop 05 44 40 =1903+097 16 37 37 38.1 490.7 -2.5 -28.1 125 376 05 42 11 05 44 40 GRS1915 16 37 37 37.9 487.5 -2.6 -29.7 -24 376 No stop 05 48 10 --- 16 41 08 38.3 488.4 -2.6 -29.3 186 390 05 44 41 05 48 50 J1905+0952 16 41 48 38.6 491.9 -2.4 -27.6 15 390 05 48 50 05 50 40 =1903+097 16 43 38 38.8 492.4 -2.4 -27.4 110 397 05 48 51 05 50 40 J1913+0932 16 43 38 37.6 490.5 -2.5 -28.2 -19 397 No stop 05 53 10 --- 16 46 08 37.9 491.2 -2.5 -27.9 131 406 05 50 41 05 53 50 J1905+0952 16 46 49 39.1 493.3 -2.3 -26.9 20 406 05 53 50 05 55 50 =1903+097 16 48 49 39.3 493.9 -2.3 -26.7 120 414 05 53 51 05 55 50 GRS1915 16 48 49 39.2 490.6 -2.5 -28.3 -24 414 No stop 05 59 20 --- 16 52 19 39.6 491.5 -2.4 -27.9 186 428 05 55 51 05 59 20 J1905+0952 16 52 19 39.7 494.9 -2.2 -26.2 -25 428 No stop 06 01 50 =1903+097 16 54 50 40.0 495.6 -2.2 -25.8 125 437 05 59 21 06 01 50 GRS1915 16 54 50 39.9 492.3 -2.4 -27.5 -24 437 No stop 06 05 20 --- 16 58 20 40.3 493.3 -2.3 -27.1 186 451 06 01 51 06 06 00 J1905+0952 16 59 01 40.4 496.8 -2.1 -25.2 15 451 06 06 00 06 07 50 =1903+097 17 00 51 40.6 497.4 -2.1 -24.9 110 458 06 06 01 06 07 50 GRS1915 17 00 51 40.6 494.0 -2.3 -26.7 -24 458 No stop 06 11 20 --- 17 04 21 41.0 495.0 -2.2 -26.2 186 471 06 07 51 06 11 20 J1905+0952 17 04 21 41.0 498.4 -2.0 -24.4 -25 471 No stop 06 13 50 =1903+097 17 06 52 41.2 499.2 -2.0 -24.0 125 481 06 11 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 5 Mar 2021 Day 64 --- 06 13 50 GRS1915 17 06 52 41.2 495.7 -2.2 -25.9 -25 481 No stop 06 17 20 --- 17 10 22 41.6 496.8 -2.1 -25.3 185 495 06 13 51 06 18 00 J1905+0952 17 11 03 41.7 500.4 -1.9 -23.4 15 495 06 18 00 06 19 50 =1903+097 17 12 53 41.8 501.0 -1.9 -23.1 110 502 06 18 01 06 19 50 GRS1915 17 12 53 41.9 497.5 -2.1 -25.0 -25 502 No stop 06 23 20 --- 17 16 23 42.2 498.6 -2.0 -24.4 185 515 06 19 51 06 23 20 J1905+0952 17 16 23 42.2 502.0 -1.8 -22.5 -26 515 No stop 06 25 50 =1903+097 17 18 54 42.4 502.8 -1.8 -22.1 124 525 06 23 21 06 25 50 GRS1915 17 18 54 42.5 499.3 -2.0 -24.0 -25 525 No stop 06 29 20 --- 17 22 24 42.8 500.4 -1.9 -23.5 185 538 06 25 51 06 30 00 J1905+0952 17 23 04 42.8 504.1 -1.7 -21.4 14 538 06 30 00 06 31 50 =1903+097 17 24 55 43.0 504.7 -1.7 -21.1 110 546 06 30 01 06 31 50 GRS1915 17 24 55 43.1 501.2 -1.9 -23.1 -25 546 No stop 06 35 20 --- 17 28 25 43.4 502.3 -1.8 -22.5 185 559 06 31 51 06 35 20 J1905+0952 17 28 25 43.3 505.8 -1.6 -20.5 -26 559 No stop 06 37 50 =1903+097 17 30 56 43.5 506.6 -1.6 -20.0 124 569 06 35 21 06 37 50 GRS1915 17 30 56 43.6 503.0 -1.8 -22.1 -25 569 No stop 06 41 20 --- 17 34 26 44.0 504.1 -1.7 -21.5 185 582 06 37 51 06 42 00 J1905+0952 17 35 06 43.8 507.9 -1.5 -19.3 14 582 06 42 00 06 43 50 =1903+097 17 36 57 44.0 508.5 -1.5 -19.0 110 589 06 42 01 06 43 50 J1913+0932 17 36 57 43.0 506.2 -1.6 -20.2 -21 589 No stop 06 46 20 --- 17 39 27 43.2 507.0 -1.6 -19.8 129 599 06 43 51 06 47 00 J1905+0952 17 40 07 44.2 509.6 -1.4 -18.4 19 599 06 47 00 06 49 00 =1903+097 17 42 08 44.4 510.2 -1.4 -18.0 120 607 06 47 01 06 49 00 GRS1915 17 42 08 44.6 506.6 -1.6 -20.1 -25 607 No stop 06 52 30 --- 17 45 38 44.9 507.8 -1.5 -19.5 185 620 06 49 01 06 52 30 J1905+0952 17 45 38 44.6 511.4 -1.4 -17.4 -26 620 No stop 06 55 00 =1903+097 17 48 09 44.8 512.2 -1.3 -16.9 124 630 06 52 31 06 55 00 GRS1915 17 48 09 45.1 508.6 -1.5 -19.0 -25 630 No stop 06 58 30 --- 17 51 39 45.4 509.7 -1.4 -18.4 185 643 06 55 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 5 Mar 2021 Day 64 --- 06 59 10 J1905+0952 17 52 19 45.1 513.6 -1.2 -16.1 14 643 06 59 10 07 01 00 =1903+097 17 54 10 45.2 514.2 -1.2 -15.7 110 651 06 59 11 07 01 00 GRS1915 17 54 10 45.6 510.6 -1.4 -17.9 -25 651 No stop 07 04 30 --- 17 57 40 45.9 511.7 -1.3 -17.2 185 664 07 01 01 07 04 30 J1905+0952 17 57 40 45.5 515.4 -1.1 -15.0 -26 664 No stop 07 07 00 =1903+097 18 00 11 45.6 516.2 -1.1 -14.5 124 674 07 04 31 07 07 00 GRS1915 18 00 11 46.0 512.6 -1.3 -16.7 -25 674 No stop 07 10 30 --- 18 03 41 46.3 513.8 -1.2 -16.0 185 687 07 07 01 07 11 10 J1905+0952 18 04 21 45.9 517.7 -1.0 -13.7 14 687 07 11 10 07 13 00 =1903+097 18 06 12 46.0 518.3 -1.0 -13.3 110 694 07 11 11 07 13 00 GRS1915 18 06 12 46.4 514.6 -1.2 -15.5 -25 694 No stop 07 16 30 --- 18 09 42 46.7 515.9 -1.1 -14.8 185 708 07 13 01 07 16 30 J1905+0952 18 09 42 46.2 519.5 -0.9 -12.6 -26 708 No stop 07 19 00 =1903+097 18 12 13 46.3 520.4 -0.9 -12.1 124 718 07 16 31 07 19 00 GRS1915 18 12 13 46.8 516.7 -1.1 -14.3 -25 718 No stop 07 22 30 --- 18 15 43 47.0 517.9 -1.0 -13.6 185 731 07 19 01 07 23 10 J1905+0952 18 16 23 46.5 521.9 -0.8 -11.2 14 731 07 23 10 07 25 00 =1903+097 18 18 14 46.6 522.5 -0.8 -10.8 110 738 07 23 11 07 25 00 GRS1915 18 18 14 47.2 518.8 -1.0 -13.0 -25 738 No stop 07 28 30 --- 18 21 44 47.4 520.1 -0.9 -12.3 185 752 07 25 01 07 28 30 J1905+0952 18 21 44 46.8 523.7 -0.7 -10.0 -26 752 No stop 07 31 00 =1903+097 18 24 14 46.9 524.6 -0.7 -9.5 124 761 07 28 31 07 31 00 GRS1915 18 24 14 47.5 521.0 -0.9 -11.8 -25 761 No stop 07 34 30 --- 18 27 45 47.7 522.2 -0.8 -11.0 185 775 07 31 01 07 35 10 J1905+0952 18 28 25 47.0 526.1 -0.6 -8.6 14 775 07 35 10 07 37 00 =1903+097 18 30 15 47.1 526.8 -0.6 -8.2 110 782 07 35 11 07 37 00 J1913+0932 18 30 15 46.5 524.1 -0.7 -9.8 -22 782 No stop 07 39 30 --- 18 32 46 46.6 525.0 -0.7 -9.3 128 792 07 37 01 07 40 00 J1800+3848 18 33 16 75.5 565.8 0.5 20.1 -73 792 07 40 00 07 45 00 =1758+388 18 38 17 75.2 569.4 0.6 22.8 227 811 07 40 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 5 Mar 2021 Day 64 --- 07 45 40 J1905+0952 18 38 57 47.4 529.9 -0.5 -6.3 -60 811 07 45 40 07 47 40 =1903+097 18 40 57 47.4 530.6 -0.4 -5.8 60 819 07 45 41 07 47 40 GRS1915 18 40 57 48.2 527.0 -0.6 -8.1 -25 819 No stop 07 51 10 --- 18 44 28 48.3 528.3 -0.5 -7.3 185 832 07 47 41 07 51 10 J1905+0952 18 44 28 47.5 531.9 -0.4 -5.0 -26 832 No stop 07 53 40 =1903+097 18 46 58 47.5 532.8 -0.3 -4.5 124 842 07 51 11 07 53 40 GRS1915 18 46 58 48.4 529.2 -0.5 -6.7 -25 842 No stop 07 57 10 --- 18 50 29 48.5 530.5 -0.4 -5.9 185 855 07 53 41 07 57 50 J1905+0952 18 51 09 47.6 534.3 -0.3 -3.5 14 855 07 57 50 07 59 40 =1903+097 18 52 59 47.6 535.0 -0.2 -3.1 110 862 07 57 51 07 59 40 GRS1915 18 52 59 48.5 531.4 -0.4 -5.4 -25 862 No stop 08 03 10 --- 18 56 30 48.6 532.7 -0.3 -4.6 185 876 07 59 41 08 03 10 J1905+0952 18 56 30 47.7 536.3 -0.2 -2.3 -26 876 No stop 08 05 40 =1903+097 18 59 00 47.7 537.2 -0.1 -1.7 124 886 08 03 11 08 05 40 GRS1915 18 59 00 48.7 533.6 -0.3 -4.0 -25 886 No stop 08 09 10 --- 19 02 31 48.7 534.9 -0.2 -3.2 185 899 08 05 41 08 09 50 J1905+0952 19 03 11 47.7 538.7 -0.1 -0.8 14 899 08 09 50 08 11 40 =1903+097 19 05 01 47.7 539.4 -0.0 -0.4 110 906 08 09 51 08 11 40 GRS1915 19 05 01 48.8 535.9 -0.2 -2.6 -25 906 No stop 08 15 10 --- 19 08 32 48.8 537.2 -0.1 -1.8 185 920 08 11 41 08 15 10 J1905+0952 19 08 32 47.7 540.7 0.0 0.4 -26 920 No stop 08 17 40 =1903+097 19 11 02 47.7 541.6 0.1 1.0 124 929 08 15 11 08 17 40 GRS1915 19 11 02 48.8 538.1 -0.1 -1.2 -25 929 No stop 08 21 10 --- 19 14 33 48.8 539.4 -0.0 -0.4 185 943 08 17 41 08 21 50 J1905+0952 19 15 13 47.7 543.1 0.1 2.0 14 943 08 21 50 08 23 40 =1903+097 19 17 03 47.7 543.8 0.2 2.4 110 950 08 21 51 08 23 40 GRS1915 19 17 03 48.8 540.3 0.0 0.2 -25 950 No stop 08 27 10 --- 19 20 34 48.8 541.6 0.1 1.0 185 964 08 23 41 08 27 10 J1905+0952 19 20 34 47.6 545.1 0.2 3.2 -26 964 No stop 08 29 40 =1903+097 19 23 04 47.6 546.0 0.3 3.7 124 973 08 27 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 5 Mar 2021 Day 64 --- 08 29 40 GRS1915 19 23 04 48.8 542.6 0.1 1.6 -24 973 No stop 08 33 10 --- 19 26 35 48.8 543.9 0.2 2.4 186 987 08 29 41 08 33 50 J1905+0952 19 27 15 47.5 547.5 0.3 4.7 15 987 08 33 50 08 35 40 =1903+097 19 29 05 47.5 548.2 0.4 5.1 110 994 08 33 51 08 35 40 J1913+0932 19 29 05 47.3 545.3 0.2 3.3 -22 994 No stop 08 38 10 --- 19 31 36 47.3 546.3 0.3 3.9 128 1004 08 35 41 08 38 50 J1905+0952 19 32 16 47.4 549.3 0.4 5.8 17 1004 08 38 50 08 40 50 =1903+097 19 34 16 47.4 550.1 0.5 6.3 120 1011 08 38 51 08 40 50 GRS1915 19 34 16 48.6 546.7 0.3 4.2 -24 1011 No stop 08 44 20 --- 19 37 47 48.6 548.0 0.4 5.0 186 1025 08 40 51 08 44 20 J1905+0952 19 37 47 47.3 551.3 0.5 7.0 -25 1025 No stop 08 46 50 =1903+097 19 40 17 47.2 552.2 0.6 7.6 125 1034 08 44 21 08 46 50 GRS1915 19 40 17 48.5 549.0 0.4 5.6 -24 1034 No stop 08 50 20 --- 19 43 48 48.4 550.2 0.5 6.4 186 1048 08 46 51 08 51 00 J1905+0952 19 44 28 47.0 553.7 0.6 8.5 15 1048 08 51 00 08 52 50 =1903+097 19 46 18 47.0 554.4 0.7 8.9 110 1055 08 51 01 08 52 50 GRS1915 19 46 18 48.4 551.2 0.5 7.0 -24 1055 No stop 08 56 20 --- 19 49 49 48.3 552.5 0.6 7.7 186 1069 08 52 51 08 56 20 J1905+0952 19 49 49 46.8 555.6 0.7 9.7 -25 1069 No stop 08 58 50 =1903+097 19 52 19 46.7 556.5 0.8 10.2 125 1078 08 56 21 08 58 50 GRS1915 19 52 19 48.2 553.4 0.6 8.3 -24 1078 No stop 09 02 20 --- 19 55 49 48.0 554.6 0.7 9.1 186 1092 08 58 51 09 03 00 J1905+0952 19 56 30 46.5 558.0 0.8 11.1 16 1092 09 03 00 09 04 50 =1903+097 19 58 20 46.4 558.6 0.9 11.5 110 1099 09 03 01 09 04 50 GRS1915 19 58 20 47.9 555.6 0.7 9.6 -23 1099 No stop 09 08 20 --- 20 01 50 47.8 556.8 0.8 10.4 187 1112 09 04 51 09 08 20 J1905+0952 20 01 50 46.3 559.9 0.9 12.2 -24 1112 No stop 09 10 50 =1903+097 20 04 21 46.1 560.7 1.0 12.7 126 1122 09 08 21 09 10 50 GRS1915 20 04 21 47.7 557.7 0.8 11.0 -23 1122 No stop 09 14 20 --- 20 07 51 47.5 559.0 0.9 11.7 187 1136 09 10 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 5 Mar 2021 Day 64 --- 09 15 00 J1905+0952 20 08 32 45.9 562.2 1.0 13.6 16 1136 09 15 00 09 16 50 =1903+097 20 10 22 45.8 562.8 1.1 14.0 110 1143 09 15 01 09 16 50 GRS1915 20 10 22 47.4 559.9 0.9 12.3 -23 1143 No stop 09 20 20 --- 20 13 52 47.2 561.1 1.0 13.0 187 1156 09 16 51 09 20 20 J1905+0952 20 13 52 45.6 564.0 1.1 14.7 -24 1156 No stop 09 22 50 =1903+097 20 16 23 45.4 564.9 1.2 15.2 126 1166 09 20 21 09 22 50 GRS1915 20 16 23 47.0 562.0 1.0 13.5 -23 1166 No stop 09 26 20 --- 20 19 53 46.8 563.2 1.1 14.2 187 1179 09 22 51 09 27 00 J1905+0952 20 20 34 45.1 566.3 1.2 16.0 17 1179 09 27 00 09 28 50 =1903+097 20 22 24 45.0 566.9 1.3 16.4 110 1186 09 27 01 09 28 50 J1913+0932 20 22 24 45.2 564.2 1.1 14.8 -22 1186 No stop 09 31 20 --- 20 24 54 45.1 565.0 1.2 15.2 128 1196 09 28 51 09 32 00 J1905+0952 20 25 34 44.8 567.9 1.3 17.0 17 1196 09 32 00 09 34 00 =1903+097 20 27 35 44.6 568.6 1.3 17.3 120 1204 09 32 01 09 34 00 GRS1915 20 27 35 46.3 565.9 1.2 15.8 -22 1204 No stop 09 37 30 --- 20 31 05 46.1 567.0 1.2 16.5 188 1217 09 34 01 09 37 30 J1905+0952 20 31 05 44.4 569.8 1.4 18.0 -23 1217 No stop 09 40 00 =1903+097 20 33 36 44.2 570.6 1.4 18.5 127 1227 09 37 31 09 40 00 GRS1915 20 33 36 45.9 567.9 1.3 17.0 -22 1227 No stop 09 43 30 --- 20 37 06 45.7 569.1 1.3 17.7 188 1241 09 40 01 09 44 10 J1905+0952 20 37 46 43.9 571.9 1.5 19.2 17 1241 09 44 10 09 46 10 =1903+097 20 39 47 43.7 572.6 1.6 19.6 120 1248 09 44 11 09 46 10 GRS1915 20 39 47 45.5 570.0 1.4 18.2 -22 1248 No stop 09 49 40 --- 20 43 17 45.2 571.1 1.5 18.8 188 1262 09 46 11 09 49 40 J1905+0952 20 43 17 43.4 573.7 1.6 20.2 -22 1262 No stop 09 52 10 =1903+097 20 45 48 43.2 574.5 1.7 20.7 128 1271 09 49 41 09 52 10 GRS1915 20 45 48 45.0 572.0 1.5 19.3 -21 1271 No stop 09 55 40 --- 20 49 18 44.7 573.1 1.6 19.9 189 1285 09 52 11 09 56 20 J1905+0952 20 49 58 42.8 575.8 1.7 21.4 18 1285 09 56 20 09 58 20 =1903+097 20 51 59 42.6 576.4 1.8 21.7 120 1293 09 56 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 5 Mar 2021 Day 64 --- 09 58 20 GRS1915 20 51 59 44.5 574.0 1.6 20.4 -21 1293 No stop 10 01 50 --- 20 55 29 44.2 575.1 1.7 21.0 189 1306 09 58 21 10 01 50 J1905+0952 20 55 29 42.3 577.5 1.8 22.3 -22 1306 No stop 10 04 20 =1903+097 20 58 00 42.1 578.3 1.9 22.7 128 1316 10 01 51 10 04 20 GRS1915 20 58 00 44.0 575.9 1.7 21.5 -21 1316 No stop 10 07 50 --- 21 01 30 43.6 577.0 1.8 22.1 189 1329 10 04 21 10 08 30 J1905+0952 21 02 10 41.7 579.6 1.9 23.4 18 1329 10 08 30 10 10 30 =1903+097 21 04 11 41.5 580.2 2.0 23.7 120 1337 10 08 31 10 10 30 GRS1915 21 04 11 43.4 577.8 1.8 22.5 -21 1337 No stop 10 14 00 --- 21 07 41 43.1 578.9 1.9 23.1 189 1351 10 10 31 10 14 00 J1905+0952 21 07 41 41.1 581.2 2.0 24.2 -21 1351 No stop 10 16 30 =1903+097 21 10 12 40.9 582.0 2.1 24.6 129 1360 10 14 01 10 16 30 GRS1915 21 10 12 42.8 579.7 1.9 23.5 -20 1360 No stop 10 20 00 --- 21 13 42 42.5 580.8 2.0 24.1 190 1374 10 16 31 10 20 40 J1905+0952 21 14 22 40.4 583.2 2.1 25.2 19 1374 10 20 40 10 22 40 =1903+097 21 16 23 40.2 583.8 2.2 25.5 120 1382 10 20 41 10 22 40 J1913+0932 21 16 23 40.7 581.3 2.0 24.3 -21 1382 No stop 10 25 10 --- 21 18 53 40.5 582.1 2.1 24.6 129 1391 10 22 41 10 25 50 J1905+0952 21 19 33 39.9 584.7 2.2 26.0 18 1391 10 25 50 10 27 50 =1903+097 21 21 34 39.7 585.3 2.2 26.3 120 1399 10 25 51 10 27 50 GRS1915 21 21 34 41.7 583.1 2.1 25.3 -21 1399 No stop 10 31 20 --- 21 25 04 41.3 584.2 2.1 25.8 189 1413 10 27 51 10 31 20 J1905+0952 21 25 04 39.3 586.3 2.3 26.7 -21 1413 No stop 10 33 50 =1903+097 21 27 35 39.0 587.0 2.3 27.1 129 1422 10 31 21 10 33 50 GRS1915 21 27 35 41.0 584.9 2.2 26.2 -21 1422 No stop 10 37 20 --- 21 31 05 40.6 585.9 2.2 26.7 189 1436 10 33 51 10 38 00 J1905+0952 21 31 45 38.5 588.2 2.4 27.6 19 1436 10 38 00 10 40 00 =1903+097 21 33 46 38.3 588.7 2.5 27.9 120 1443 10 38 01 10 40 00 GRS1915 21 33 46 40.3 586.7 2.3 27.0 -21 1443 No stop 10 43 30 --- 21 37 16 39.9 587.7 2.4 27.5 189 1457 10 40 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 5 Mar 2021 Day 64 --- 10 43 30 J1905+0952 21 37 16 37.9 589.7 2.5 28.3 -21 1457 No stop 10 46 00 =1903+097 21 39 47 37.6 590.4 2.6 28.7 129 1467 10 43 31 10 46 00 GRS1915 21 39 47 39.7 588.4 2.4 27.9 -21 1467 No stop 10 49 30 --- 21 43 17 39.2 589.4 2.5 28.3 189 1480 10 46 01 10 50 10 J1905+0952 21 43 57 37.1 591.5 2.6 29.2 19 1480 10 50 10 10 52 10 =1903+097 21 45 58 36.9 592.1 2.7 29.4 120 1488 10 50 11 10 52 10 GRS1915 21 45 58 38.9 590.1 2.5 28.7 -21 1488 No stop 10 55 40 --- 21 49 28 38.5 591.1 2.6 29.1 189 1501 10 52 11 10 55 40 J1905+0952 21 49 28 36.4 593.0 2.7 29.8 -21 1501 No stop 10 58 10 =1903+097 21 51 59 36.1 593.7 2.8 30.1 129 1511 10 55 41 10 58 10 GRS1915 21 51 59 38.2 591.8 2.6 29.4 -21 1511 No stop 11 01 40 --- 21 55 29 37.8 592.7 2.7 29.8 189 1525 10 58 11 11 02 20 J1905+0952 21 56 09 35.6 594.7 2.8 30.6 18 1525 11 02 20 11 04 20 =1903+097 21 58 10 35.3 595.3 2.9 30.8 120 1532 11 02 21 11 04 20 J1913+0932 21 58 10 36.0 593.0 2.7 29.8 -20 1532 No stop 11 06 50 --- 22 00 40 35.7 593.7 2.8 30.1 130 1542 11 04 21 11 07 30 J1905+0952 22 01 20 34.9 596.1 2.9 31.1 19 1542 11 07 30 11 09 30 =1903+097 22 03 20 34.7 596.6 2.9 31.3 120 1550 11 07 31 11 09 30 GRS1915 22 03 20 36.8 594.8 2.8 30.7 -21 1550 No stop 11 13 00 --- 22 06 51 36.4 595.7 2.8 31.1 189 1563 11 09 31 11 13 00 J1905+0952 22 06 51 34.2 597.5 3.0 31.7 -22 1563 No stop 11 15 30 =1903+097 22 09 21 33.9 598.1 3.0 31.9 128 1573 11 13 01 11 15 30 GRS1915 22 09 21 36.1 596.4 2.9 31.4 -21 1573 No stop 11 19 00 --- 22 12 52 35.6 597.3 2.9 31.7 189 1586 11 15 31 11 19 40 J1905+0952 22 13 32 33.4 599.2 3.1 32.3 18 1586 11 19 40 11 21 40 =1903+097 22 15 32 33.1 599.7 3.1 32.5 120 1594 11 19 41 11 21 40 GRS1915 22 15 32 35.3 598.0 3.0 32.0 -21 1594 No stop 11 25 10 --- 22 19 03 34.8 598.9 3.0 32.3 189 1608 11 21 41 11 25 10 J1905+0952 22 19 03 32.6 600.5 3.2 32.8 -22 1608 No stop 11 27 40 =1903+097 22 21 33 32.3 601.2 3.2 33.1 128 1617 11 25 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 5 Mar 2021 Day 64 --- 11 27 40 GRS1915 22 21 33 34.5 599.5 3.1 32.6 -21 1617 No stop 11 31 10 --- 22 25 04 34.0 600.4 3.1 32.9 189 1631 11 27 41 11 31 50 J1905+0952 22 25 44 31.7 602.2 3.3 33.4 18 1631 11 31 50 11 33 50 =1903+097 22 27 44 31.5 602.7 3.4 33.6 120 1639 11 31 51 11 33 50 GRS1915 22 27 44 33.7 601.0 3.2 33.1 -22 1639 No stop 11 37 20 --- 22 31 15 33.2 601.9 3.3 33.4 188 1652 11 33 51 11 37 20 J1905+0952 22 31 15 31.0 603.5 3.4 33.9 -22 1652 No stop 11 39 50 =1903+097 22 33 45 30.6 604.1 3.5 34.1 128 1662 11 37 21 11 39 50 GRS1915 22 33 45 32.8 602.5 3.3 33.7 -22 1662 No stop 11 43 20 --- 22 37 16 32.4 603.4 3.4 34.0 188 1675 11 39 51 11 44 00 J1905+0952 22 37 56 30.1 605.1 3.5 34.4 18 1675 11 44 00 11 46 00 =1903+097 22 39 56 29.8 605.5 3.6 34.5 120 1683 11 44 01 11 46 00 J1913+0932 22 39 56 30.6 603.5 3.4 33.8 -19 1683 No stop 11 48 30 --- 22 42 27 30.2 604.1 3.5 34.0 131 1693 11 46 01 11 49 10 J1905+0952 22 43 07 29.3 606.3 3.6 34.8 20 1693 11 49 10 11 52 40 =1903+097 22 46 37 28.8 607.1 3.7 35.0 210 1706 11 49 11 11 54 00 J2253+1608 22 47 58 54.1 537.1 -0.1 -1.8 -52 1706 11 54 00 12 00 00 =3C454.3 22 53 59 54.1 539.6 -0.0 -0.3 308 1729 11 54 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess121.C2048 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 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= 4926.49 4926.49 BBC fr= 737.51 737.51 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 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