COVER INFORMATION Station: HART (Code Hh ) 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 HART (Code Hh ) 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: 342.49 342.49 342.49 342.49 374.49 374.49 374.49 374.49 406.49 406.49 406.49 406.49 438.49 438.49 438.49 438.49 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 02 51 24.3 358.7 0.1 0.0 0 0 12 00 00 12 05 00 --- 06 07 51 24.2 357.7 0.2 0.0 300 39 12 00 01 12 07 20 J0802+2509 06 10 12 32.1 30.6 -1.9 0.0 50 39 12 07 20 12 10 20 =0759+252 06 13 12 32.4 29.9 -1.8 0.0 180 62 12 07 21 12 10 20 IC485 06 13 12 31.3 28.4 -1.8 0.0 -29 62 No stop 12 15 50 --- 06 18 43 31.9 27.1 -1.7 0.0 301 104 12 10 21 12 16 20 J0802+2509 06 19 13 33.1 28.4 -1.7 0.0 1 104 12 16 20 12 19 20 =0759+252 06 22 14 33.4 27.7 -1.7 0.0 180 128 12 16 21 12 19 20 IC485 06 22 14 32.3 26.3 -1.7 0.0 -29 128 No stop 12 24 50 --- 06 27 45 32.8 25.0 -1.6 0.0 301 170 12 19 21 12 25 20 J0802+2509 06 28 15 34.0 26.3 -1.6 0.0 1 170 12 25 20 12 28 20 =0759+252 06 31 15 34.3 25.5 -1.5 0.0 180 193 12 25 21 12 28 20 IC485 06 31 15 33.1 24.2 -1.5 0.0 -29 193 No stop 12 33 50 --- 06 36 46 33.6 22.8 -1.4 0.0 301 236 12 28 21 12 34 20 J0802+2509 06 37 16 34.9 24.0 -1.4 0.0 1 236 12 34 20 12 37 20 =0759+252 06 40 17 35.2 23.2 -1.4 0.0 180 259 12 34 21 12 37 20 IC485 06 40 17 33.9 21.9 -1.4 0.0 -29 259 No stop 12 42 50 --- 06 45 48 34.4 20.5 -1.3 0.0 301 301 12 37 21 12 43 20 J0802+2509 06 46 18 35.7 21.7 -1.3 0.0 1 301 12 43 20 12 46 20 =0759+252 06 49 18 35.9 20.9 -1.2 0.0 180 325 12 43 21 12 46 20 IC485 06 49 18 34.7 19.7 -1.2 0.0 -29 325 No stop 12 51 50 --- 06 54 49 35.1 18.2 -1.1 0.0 301 367 12 46 21 12 52 20 J0802+2509 06 55 19 36.4 19.3 -1.1 0.0 1 367 12 52 20 12 55 20 =0759+252 06 58 20 36.6 18.5 -1.1 0.0 180 390 12 52 21 12 55 20 IC485 06 58 20 35.3 17.3 -1.1 0.0 -29 390 No stop 13 00 50 --- 07 03 51 35.7 15.9 -1.0 0.0 301 433 12 55 21 Schedule for HART (Code Hh ) 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 04 21 37.0 16.9 -1.0 0.0 1 433 13 01 20 13 04 20 =0759+252 07 07 21 37.2 16.1 -0.9 0.0 180 456 13 01 21 13 04 20 IC485 07 07 21 35.9 14.9 -0.9 0.0 -29 456 No stop 13 09 50 --- 07 12 52 36.2 13.5 -0.8 0.0 301 499 13 04 21 13 10 20 J0802+2509 07 13 22 37.6 14.4 -0.8 0.0 1 499 13 10 20 13 13 20 =0759+252 07 16 23 37.7 13.6 -0.8 0.0 180 522 13 10 21 13 13 20 IC485 07 16 23 36.4 12.5 -0.8 0.0 -29 522 No stop 13 18 50 --- 07 21 54 36.6 11.0 -0.7 0.0 301 564 13 13 21 13 19 20 J0802+2509 07 22 24 38.0 11.9 -0.7 0.0 1 564 13 19 20 13 22 20 =0759+252 07 25 24 38.2 11.1 -0.6 0.0 180 587 13 19 21 13 22 20 IC485 07 25 24 36.7 10.1 -0.6 0.0 -29 587 No stop 13 27 50 --- 07 30 55 36.9 8.5 -0.5 0.0 301 630 13 22 21 13 28 20 J0802+2509 07 31 25 38.4 9.4 -0.5 0.0 1 630 13 28 20 13 31 20 =0759+252 07 34 26 38.5 8.5 -0.5 0.0 180 653 13 28 21 13 31 20 IC485 07 34 26 37.1 7.6 -0.4 0.0 -29 653 No stop 13 36 50 --- 07 39 56 37.2 6.0 -0.4 0.0 301 696 13 31 21 13 37 20 J0802+2509 07 40 27 38.7 6.8 -0.4 0.0 1 696 13 37 20 13 40 20 =0759+252 07 43 27 38.8 5.9 -0.3 0.0 180 719 13 37 21 13 40 20 IC485 07 43 27 37.3 5.0 -0.3 0.0 -29 719 No stop 13 45 50 --- 07 48 58 37.4 3.5 -0.2 0.0 301 761 13 40 21 13 46 20 J0802+2509 07 49 28 38.9 4.2 -0.2 0.0 1 761 13 46 20 13 49 20 =0759+252 07 52 29 38.9 3.3 -0.2 0.0 180 785 13 46 21 13 49 20 IC485 07 52 29 37.4 2.5 -0.1 0.0 -29 785 No stop 13 54 50 --- 07 57 59 37.5 1.0 -0.1 0.0 301 827 13 49 21 13 55 20 J0802+2509 07 58 30 39.0 1.5 -0.1 0.0 1 827 13 55 20 13 58 20 =0759+252 08 01 30 39.0 0.7 -0.0 0.0 180 850 13 55 21 13 58 20 IC485 08 01 30 37.5 360.0 0.0 0.0 -29 850 No stop 14 03 50 --- 08 07 01 37.4 358.4 0.1 0.0 301 893 13 58 21 14 04 20 J0802+2509 08 07 31 39.0 358.9 0.1 0.0 1 893 14 04 20 14 07 20 =0759+252 08 10 31 39.0 358.0 0.1 0.0 180 916 14 04 21 Schedule for HART (Code Hh ) 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 10 31 37.4 357.4 0.2 0.0 -29 916 No stop 14 12 50 --- 08 16 02 37.3 355.9 0.2 0.0 301 958 14 07 21 14 13 20 J0802+2509 08 16 32 38.9 356.3 0.2 0.0 1 958 14 13 20 14 14 50 =0759+252 08 18 03 38.9 355.8 0.2 0.0 90 970 14 13 21 14 14 50 IC485 08 18 03 37.3 355.3 0.3 0.0 -29 970 No stop 14 17 30 --- 08 20 43 37.3 354.6 0.3 0.0 131 991 14 14 51 14 18 00 J0802+2509 08 21 13 38.8 354.9 0.3 0.0 1 991 14 18 00 14 21 00 =0759+252 08 24 14 38.8 354.1 0.3 0.0 180 1014 14 18 01 14 25 00 DA193 08 28 14 15.4 330.7 2.5 0.0 149 1014 14 25 00 14 30 00 --- 08 33 15 14.9 329.9 2.6 0.0 300 1052 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: hh6cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 128.00 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 8 Station: HART Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 9 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= 342.49 342.49 342.49 342.49 374.49 374.49 374.49 374.49 406.49 406.49 406.49 406.49 438.49 438.49 438.49 438.49 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: 9 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 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