COVER INFORMATION Station: SVETLOE (Code Sv ) Experiment: H2O megamaser VLBI: a powerful tool to study ejection and accretion Exp. Code: ET038A Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: A. Tarchi Address: INAF - Osservatorio Astronomico di Cagliari Via della Scienza 5 I-09047 Selargius (Cagliari) Italy Phone: +39 070 71180235 EMAIL: andrea.tarchi@inaf.it Fax: Phone during observation: +39 070 71180235 Observing mode: Observations of IC485 at 5 GHz (2048 Mb/s) Notes: phase-cal OFF source = IC485 Schedule for SVETLOE (Code Sv ) Page 2 H2O megamaser VLBI: a powerful tool to study ejection and accretion 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 25 May 2018 Day 145 --- Next scan frequencies: 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 Next BBC frequencies: 442.49 442.49 442.49 442.49 474.49 474.49 474.49 474.49 506.49 506.49 506.49 506.49 538.49 538.49 538.49 538.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 12 00 00 DA193 06 11 14 69.2 547.8 0.2 5.0 0 0 12 00 00 12 05 00 --- 06 16 15 69.1 550.5 0.3 6.7 300 38 12 00 01 12 07 20 J0802+2509 06 18 35 50.2 501.2 -1.8 -19.9 65 38 12 07 20 12 10 20 =0759+252 06 21 35 50.5 502.2 -1.7 -19.5 180 62 12 07 21 12 10 20 IC485 06 21 35 52.1 502.1 -1.7 -19.8 -16 62 No stop 12 15 50 --- 06 27 06 52.5 504.0 -1.6 -18.9 314 104 12 10 21 12 16 20 J0802+2509 06 27 36 50.9 504.2 -1.6 -18.5 14 104 12 16 20 12 19 20 =0759+252 06 30 37 51.1 505.2 -1.6 -18.1 180 127 12 16 21 12 19 20 IC485 06 30 37 52.8 505.3 -1.5 -18.3 -16 127 No stop 12 24 50 --- 06 36 08 53.1 507.2 -1.4 -17.3 314 169 12 19 21 12 25 20 J0802+2509 06 36 38 51.5 507.3 -1.5 -17.1 14 169 12 25 20 12 28 20 =0759+252 06 39 38 51.7 508.3 -1.4 -16.6 180 192 12 25 21 12 28 20 IC485 06 39 38 53.4 508.5 -1.4 -16.7 -16 192 No stop 12 33 50 --- 06 45 09 53.7 510.4 -1.3 -15.8 314 235 12 28 21 12 34 20 J0802+2509 06 45 39 52.1 510.5 -1.3 -15.5 14 235 12 34 20 12 37 20 =0759+252 06 48 40 52.3 511.5 -1.3 -15.0 180 258 12 34 21 12 37 20 IC485 06 48 40 53.9 511.7 -1.2 -15.1 -16 258 No stop 12 42 50 --- 06 54 11 54.2 513.8 -1.1 -14.1 314 300 12 37 21 12 43 20 J0802+2509 06 54 41 52.6 513.7 -1.2 -13.9 14 300 12 43 20 12 46 20 =0759+252 06 57 41 52.8 514.8 -1.1 -13.4 180 323 12 43 21 12 46 20 IC485 06 57 41 54.4 515.1 -1.1 -13.4 -16 323 No stop 12 51 50 --- 07 03 12 54.7 517.1 -1.0 -12.3 314 365 12 46 21 12 52 20 J0802+2509 07 03 42 53.1 517.0 -1.0 -12.3 14 365 12 52 20 12 55 20 =0759+252 07 06 43 53.2 518.1 -1.0 -11.7 180 388 12 52 21 12 55 20 IC485 07 06 43 54.9 518.5 -0.9 -11.7 -16 388 No stop 13 00 50 --- 07 12 14 55.1 520.6 -0.8 -10.6 314 431 12 55 21 Schedule for SVETLOE (Code Sv ) Page 3 H2O megamaser VLBI: a powerful tool to study ejection and accretion 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 25 May 2018 Day 145 --- 13 01 20 J0802+2509 07 12 44 53.5 520.4 -0.9 -10.5 14 431 13 01 20 13 04 20 =0759+252 07 15 44 53.6 521.5 -0.8 -9.9 180 454 13 01 21 13 04 20 IC485 07 15 44 55.2 521.9 -0.8 -9.8 -16 454 No stop 13 09 50 --- 07 21 15 55.4 524.1 -0.7 -8.7 314 496 13 04 21 13 10 20 J0802+2509 07 21 45 53.8 523.8 -0.7 -8.7 14 496 13 10 20 13 13 20 =0759+252 07 24 46 53.9 524.9 -0.7 -8.1 180 519 13 10 21 13 13 20 IC485 07 24 46 55.5 525.4 -0.6 -8.0 -16 519 No stop 13 18 50 --- 07 30 17 55.7 527.6 -0.5 -6.8 314 562 13 13 21 13 19 20 J0802+2509 07 30 47 54.1 527.2 -0.5 -6.9 14 562 13 19 20 13 22 20 =0759+252 07 33 47 54.2 528.4 -0.5 -6.3 180 585 13 19 21 13 22 20 IC485 07 33 47 55.8 529.0 -0.5 -6.0 -16 585 No stop 13 27 50 --- 07 39 18 55.9 531.2 -0.4 -4.9 314 627 13 22 21 13 28 20 J0802+2509 07 39 48 54.3 530.7 -0.4 -5.1 14 627 13 28 20 13 31 20 =0759+252 07 42 49 54.4 531.8 -0.3 -4.4 180 650 13 28 21 13 31 20 IC485 07 42 49 56.0 532.6 -0.3 -4.1 -16 650 No stop 13 36 50 --- 07 48 20 56.0 534.8 -0.2 -2.9 314 692 13 31 21 13 37 20 J0802+2509 07 48 50 54.5 534.2 -0.2 -3.2 14 692 13 37 20 13 40 20 =0759+252 07 51 50 54.5 535.3 -0.2 -2.5 180 715 13 37 21 13 40 20 IC485 07 51 50 56.1 536.2 -0.2 -2.1 -16 715 No stop 13 45 50 --- 07 57 21 56.1 538.4 -0.1 -0.9 314 758 13 40 21 13 46 20 J0802+2509 07 57 51 54.6 537.7 -0.1 -1.3 14 758 13 46 20 13 49 20 =0759+252 08 00 52 54.6 538.9 -0.0 -0.6 180 781 13 46 21 13 49 20 IC485 08 00 52 56.1 539.8 -0.0 -0.1 -16 781 No stop 13 54 50 --- 08 06 23 56.1 542.0 0.1 1.1 314 823 13 49 21 13 55 20 J0802+2509 08 06 53 54.6 541.2 0.1 0.7 14 823 13 55 20 13 58 20 =0759+252 08 09 53 54.6 542.4 0.1 1.3 180 846 13 55 21 13 58 20 IC485 08 09 53 56.1 543.4 0.1 1.9 -16 846 No stop 14 03 50 --- 08 15 24 56.0 545.6 0.2 3.1 314 888 13 58 21 14 04 20 J0802+2509 08 15 54 54.5 544.7 0.2 2.6 14 888 14 04 20 14 07 20 =0759+252 08 18 55 54.5 545.9 0.3 3.2 180 912 14 04 21 Schedule for SVETLOE (Code Sv ) Page 4 H2O megamaser VLBI: a powerful tool to study ejection and accretion 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 25 May 2018 Day 145 --- 14 07 20 IC485 08 18 55 56.0 547.0 0.3 3.8 -16 912 No stop 14 12 50 --- 08 24 26 55.9 549.2 0.4 5.0 314 954 14 07 21 14 13 20 J0802+2509 08 24 56 54.4 548.2 0.4 4.5 14 954 14 13 20 14 14 50 =0759+252 08 26 26 54.4 548.8 0.4 4.8 90 965 14 13 21 14 14 50 IC485 08 26 26 55.9 550.0 0.4 5.5 -16 965 No stop 14 17 30 --- 08 29 06 55.8 551.0 0.5 6.1 144 986 14 14 51 14 18 00 J0802+2509 08 29 36 54.3 550.1 0.4 5.4 14 986 14 18 00 14 21 00 =0759+252 08 32 37 54.2 551.2 0.5 6.1 180 1009 14 18 01 14 25 00 DA193 08 36 38 57.9 608.2 2.7 36.5 159 1009 14 25 00 14 30 00 --- 08 41 38 57.3 609.6 2.7 36.9 300 1047 14 25 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess218.C1024 Matching groups in /opt/sched/catalogs/freq_RDBE.dat: kvzr_c Added by Des Small, 24 February 2012 Setup group: 1 Station: SVETLOE Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 10 Setup file default. Used with PCAL = off LO sum= 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 BBC fr= 442.49 442.49 442.49 442.49 474.49 474.49 474.49 474.49 506.49 506.49 506.49 506.49 538.49 538.49 538.49 538.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 10 11 12 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * IC485 07 57 16.742657 * 08 00 19.760000 08 01 24.982845 0.00 26 50 21.55620 * 26 42 05.10000 26 39 01.29401 0.00 From catalog imbedded in main SCHED input file. 0552+398 05 52 01.407169 * 05 55 30.805611 05 56 45.071352 0.00 J0555+3948 39 48 21.94581 * 39 48 49.16496 39 48 51.55338 0.00 * DA193 /opt/sched/catalogs/sources.gsfc J0555+39 GSFC 2015a astro solution, unpublished 394383 observations. 0759+252 07 59 40.673049 * 08 02 41.587429 08 03 46.081191 0.25 * J0802+2509 25 17 36.37276 * 25 09 10.89814 25 06 03.51987 0.34 /opt/sched/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 119 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 IC485 sess218.C1024 1 2 3 4 5 6 7 8 9 10 1.328 96.826 DA193 sess218.C1024 1 2 3 4 5 6 7 8 9 10 0.167 13.000 J0802+2509 sess218.C1024 1 2 3 4 5 6 7 8 9 10 0.775 59.850 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) IC485 53.0 DA193 29.6 J0802+2509 53.7 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