COVER INFORMATION Station: BADARY (Code Bd ) Experiment: H2O megamaser VLBI: a powerful tool to study ejection and accretion Exp. Code: ET038B 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 1.6 GHz (2048 Mb/s) Notes: phase-cal OFF source = IC485 Schedule for BADARY (Code Bd ) 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 ---------------------------------------------------------------------------------------- --- Mon 28 May 2018 Day 148 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 350.49 350.49 350.49 350.49 382.49 382.49 382.49 382.49 414.49 414.49 414.49 414.49 446.49 446.49 446.49 446.49 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 13 00 00 J0854+2006 12 13 02 40.4 609.3 3.3 38.0 0 0 13 00 00 13 06 00 =OJ287 12 19 03 39.5 610.7 3.4 38.4 360 46 13 00 01 13 07 10 J0802+2509 12 20 13 35.3 626.6 4.3 43.0 29 46 13 07 10 13 10 10 =0759+252 12 23 13 34.8 627.2 4.3 43.0 180 69 13 07 11 13 10 10 IC485 12 23 13 35.6 629.0 4.4 43.8 -17 69 No stop 13 17 10 --- 12 30 15 34.5 630.4 4.5 43.8 403 123 13 10 11 13 17 40 J0802+2509 12 30 45 33.7 628.7 4.4 43.1 13 123 13 17 40 13 20 40 =0759+252 12 33 45 33.2 629.3 4.5 43.1 180 146 13 17 41 13 20 40 IC485 12 33 45 34.0 631.1 4.5 43.8 -17 146 No stop 13 27 40 --- 12 40 46 32.9 632.4 4.7 43.8 403 200 13 20 41 13 28 10 J0802+2509 12 41 16 32.0 630.8 4.6 43.1 13 200 13 28 10 13 31 10 =0759+252 12 44 17 31.6 631.4 4.7 43.1 180 223 13 28 11 13 31 10 IC485 12 44 17 32.3 633.1 4.7 43.7 -17 223 No stop 13 38 10 --- 12 51 18 31.3 634.4 4.8 43.7 403 277 13 31 11 13 38 40 J0802+2509 12 51 48 30.4 632.8 4.8 43.0 14 277 13 38 40 13 41 40 =0759+252 12 54 49 30.0 633.4 4.9 43.0 180 300 13 38 41 13 41 40 IC485 12 54 49 30.7 635.1 4.9 43.6 -17 300 No stop 13 48 40 --- 13 01 50 29.6 636.4 5.0 43.5 403 354 13 41 41 13 49 10 J0802+2509 13 02 20 28.8 634.9 5.0 42.9 14 354 13 49 10 13 52 10 =0759+252 13 05 20 28.3 635.4 5.0 42.9 180 377 13 49 11 13 52 10 IC485 13 05 20 29.1 637.1 5.1 43.4 -17 377 No stop 13 59 10 --- 13 12 21 28.0 638.4 5.2 43.2 403 431 13 52 11 13 59 40 J0802+2509 13 12 52 27.2 636.8 5.2 42.7 14 431 13 59 40 14 02 40 =0759+252 13 15 52 26.7 637.4 5.2 42.7 180 454 13 59 41 14 02 40 IC485 13 15 52 27.5 639.0 5.2 43.1 -17 454 No stop 14 09 40 --- 13 22 53 26.4 640.3 5.4 42.9 403 508 14 02 41 Schedule for BADARY (Code Bd ) 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 ---------------------------------------------------------------------------------------- --- Mon 28 May 2018 Day 148 --- 14 10 10 J0802+2509 13 23 23 25.6 638.8 5.3 42.5 14 508 14 10 10 14 13 10 =0759+252 13 26 24 25.1 639.3 5.4 42.4 180 531 14 10 11 14 13 10 IC485 13 26 24 25.9 640.9 5.4 42.8 -16 531 No stop 14 20 10 --- 13 33 25 24.8 642.2 5.5 42.6 404 585 14 13 11 14 20 40 J0802+2509 13 33 55 24.0 640.7 5.5 42.2 14 585 14 20 40 14 23 40 =0759+252 13 36 55 23.5 641.3 5.6 42.1 180 608 14 20 41 14 23 40 IC485 13 36 55 24.3 642.8 5.6 42.5 -16 608 No stop 14 30 40 --- 13 43 57 23.2 644.1 5.7 42.2 404 662 14 23 41 14 31 10 J0802+2509 13 44 27 22.4 642.7 5.7 41.8 14 662 14 31 10 14 34 10 =0759+252 13 47 27 21.9 643.2 5.7 41.7 180 685 14 31 11 14 34 10 IC485 13 47 27 22.7 644.7 5.8 42.0 -16 685 No stop 14 41 10 --- 13 54 28 21.7 646.0 5.9 41.7 404 738 14 34 11 14 41 40 J0802+2509 13 54 58 20.8 644.6 5.9 41.4 14 738 14 41 40 14 44 40 =0759+252 13 57 59 20.3 645.1 5.9 41.3 180 762 14 41 41 14 44 40 IC485 13 57 59 21.1 646.6 5.9 41.6 -16 762 No stop 14 51 40 --- 14 05 00 20.1 647.9 6.1 41.2 404 815 14 44 41 14 52 10 J0802+2509 14 05 30 19.2 646.5 6.0 40.9 14 815 14 52 10 14 55 10 =0759+252 14 08 31 18.8 647.0 6.1 40.8 180 838 14 52 11 14 56 40 J0854+2006 14 10 01 22.6 634.1 5.2 41.1 53 838 14 56 40 15 02 40 =OJ287 14 16 02 21.7 635.2 5.3 41.0 360 885 14 56 41 15 04 10 J0802+2509 14 17 32 17.4 648.7 6.2 40.3 52 885 15 04 10 15 07 10 =0759+252 14 20 33 17.0 649.2 6.3 40.2 180 908 15 04 11 15 07 10 IC485 14 20 33 17.8 650.7 6.3 40.4 -16 908 No stop 15 14 10 --- 14 27 34 16.8 651.9 6.4 40.0 404 962 15 07 11 15 14 40 J0802+2509 14 28 04 15.9 650.6 6.4 39.8 14 962 15 14 40 15 17 40 =0759+252 14 31 04 15.5 651.1 6.5 39.6 180 985 15 14 41 15 17 40 IC485 14 31 04 16.3 652.6 6.5 39.7 -16 985 No stop 15 24 40 --- 14 38 05 15.3 653.8 6.6 39.3 404 1038 15 17 41 15 25 10 J0802+2509 14 38 36 14.4 652.5 6.6 39.2 14 1038 15 25 10 15 28 10 =0759+252 14 41 36 14.0 653.0 6.6 39.0 180 1062 15 25 11 Schedule for BADARY (Code Bd ) 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 ---------------------------------------------------------------------------------------- --- Mon 28 May 2018 Day 148 --- 15 28 10 IC485 14 41 36 14.8 654.4 6.7 39.1 -16 1062 No stop 15 35 10 --- 14 48 37 13.8 655.7 6.8 38.6 404 1115 15 28 11 15 35 40 J0802+2509 14 49 07 12.9 654.4 6.8 38.5 14 1115 15 35 40 15 38 40 =0759+252 14 52 08 12.5 654.9 6.8 38.3 180 1138 15 35 41 15 38 40 IC485 14 52 08 13.4 656.3 6.8 38.4 -16 1138 No stop 15 45 40 --- 14 59 09 12.4 657.6 7.0 37.8 404 1192 15 38 41 15 46 10 J0802+2509 14 59 39 11.4 656.3 6.9 37.8 15 1192 15 46 10 15 49 10 =0759+252 15 02 40 11.0 656.8 7.0 37.6 180 1215 15 46 11 15 49 10 IC485 15 02 40 11.9 658.2 7.0 37.6 -16 1215 No stop 15 56 10 --- 15 09 41 11.0 659.5 7.1 37.1 404 1269 15 49 11 15 59 40 IC485 15 13 11 10.5 660.1 7.2 36.8 204 1269 15 59 40 16 06 40 --- 15 20 12 9.6 661.4 7.3 D 36.2 0 1323 15 59 41 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess218.L1024 Matching groups in /opt/sched/catalogs/freq_RDBE.dat: kvzr_l passed by Alexey Melnikov, Mar2014 ****** Only 251.02 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 3 Station: BADARY 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= 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 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: 8 Setup file default. Used with PCAL = off LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 350.49 350.49 350.49 350.49 382.49 382.49 382.49 382.49 414.49 414.49 414.49 414.49 446.49 446.49 446.49 446.49 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: 8 9 10 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 24.945210 0.00 26 50 21.55620 * 26 42 05.10000 26 39 01.22147 0.00 From catalog imbedded in main SCHED input file. 0759+252 07 59 40.673049 * 08 02 41.587429 08 03 46.043757 0.25 * J0802+2509 25 17 36.37276 * 25 09 10.89814 25 06 03.46776 0.34 /opt/sched/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 119 observations. OJ287 08 51 57.250615 * 08 54 48.874926 08 55 50.264191 0.00 * J0854+2006 20 17 58.41743 * 20 06 30.64088 20 02 17.98039 0.00 0851+202 /opt/sched/catalogs/sources.gsfc J0854+20 GSFC 2015a astro solution, unpublished 216540 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.L1024 1 2 3 4 5 6 7 8 11 2.333 116.031 J0802+2509 sess218.L1024 1 2 3 4 5 6 7 8 11 1.103 57.623 J0854+2006 sess218.L1024 1 2 3 4 5 6 7 8 11 0.300 15.500 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 50.0 J0802+2509 50.8 J0854+2006 63.5 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