COVER INFORMATION Station: HART (Code Hh ) Experiment: A detailed study of the H2O gigamaser, and of its polarization, in TXS22 Exp. Code: ES084B Schedule Version: 2.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: G. Surcis Address: INAF - Osservatorio Astronomico di Cagliari Via della Scienza 5 I-09047 Selargius (Cagliari) Italy Phone: +39 3408100869 EMAIL: gabriele.surcis@inaf.it Fax: Phone during observation: +39 3408100869 Observing mode: Observations of TXS2226-184 at 22 GHz (512 Mb/s) NO phase- Notes: phase-cal OFF source = TXS2226-184 Schedule for HART (Code Hh ) Page 2 A detailed study of the H2O gigamaser, and of its polarization, in TXS22 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 ---------------------------------------------------------------------------------------- --- Sat 9 Jun 2018 Day 160 --- Next scan frequencies: 21678.49 21678.49 21689.49 21689.49 21700.49 21700.49 21711.49 21711.49 Next BBC frequencies: 378.49 378.49 389.49 389.49 400.49 400.49 411.49 411.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 02 00 00 J2202+4216 21 00 20 20.2 12.4 -1.1 0.0 0 0 02 00 00 02 10 00 =VR422201 21 10 22 20.7 10.5 -0.9 0.0 600 39 02 00 01 Next scan frequencies: 21667.62 21667.62 21678.62 21678.62 21689.61 21689.61 21700.61 21700.61 Next BBC frequencies: 367.62 367.62 378.62 378.62 389.61 389.61 400.61 400.61 02 14 15 TXS 21 14 38 70.9 69.8 -1.3 0.0 107 39 02 14 15 02 22 15 --- 21 22 39 72.5 66.9 -1.1 0.0 480 70 02 14 16 02 22 45 TXS 21 23 09 72.6 66.7 -1.1 0.0 9 70 02 22 45 02 32 45 --- 21 33 11 74.7 62.3 -1.0 0.0 600 108 02 22 46 02 33 15 TXS 21 33 41 74.8 62.0 -0.9 0.0 9 108 02 33 15 02 43 15 --- 21 43 42 76.7 56.4 -0.8 0.0 600 147 02 33 16 02 43 45 TXS 21 44 13 76.8 56.1 -0.8 0.0 9 147 02 43 45 02 53 45 --- 21 54 14 78.6 48.7 -0.6 0.0 600 185 02 43 46 02 54 15 TXS 21 54 44 78.7 48.2 -0.6 0.0 9 185 02 54 15 03 04 15 --- 22 04 46 80.2 38.3 -0.4 0.0 600 224 02 54 16 Next scan frequencies: 21678.49 21678.49 21689.49 21689.49 21700.49 21700.49 21711.49 21711.49 Next BBC frequencies: 378.49 378.49 389.49 389.49 400.49 400.49 411.49 411.49 03 08 25 J2202+4216 22 08 57 21.7 358.9 0.1 0.0 102 224 03 08 25 03 16 25 =VR422201 22 16 58 21.7 357.3 0.2 0.0 480 255 03 08 26 03 19 25 3C48 22 19 58 14.3 41.2 -3.3 0.0 46 255 03 19 25 03 29 25 --- 22 30 00 15.8 39.6 -3.1 0.0 600 294 03 19 26 Next scan frequencies: 21667.62 21667.62 21678.62 21678.62 21689.61 21689.61 21700.61 21700.61 Next BBC frequencies: 367.62 367.62 378.62 378.62 389.61 389.61 400.61 400.61 03 33 35 TXS 22 34 11 82.1 353.1 0.1 0.0 120 294 03 33 35 03 41 50 --- 22 42 27 81.7 339.4 0.2 0.0 495 326 03 33 36 03 42 20 TXS 22 42 57 81.7 338.6 0.2 0.0 9 326 03 42 20 03 52 20 --- 22 52 59 80.6 324.8 0.4 0.0 600 364 03 42 21 03 52 20 TXS 22 52 59 80.6 324.8 0.4 0.0 -20 364 No stop 03 57 20 --- 22 58 00 79.9 319.1 0.5 0.0 280 384 03 52 21 Schedule for HART (Code Hh ) Page 3 A detailed study of the H2O gigamaser, and of its polarization, in TXS22 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 ---------------------------------------------------------------------------------------- --- Sat 9 Jun 2018 Day 160 --- Next scan frequencies: 21678.49 21678.49 21689.49 21689.49 21700.49 21700.49 21711.49 21711.49 Next BBC frequencies: 378.49 378.49 389.49 389.49 400.49 400.49 411.49 411.49 04 01 00 3C48 23 01 40 20.1 34.3 -2.6 0.0 90 384 04 01 00 04 11 00 --- 23 11 42 21.3 32.5 -2.5 0.0 600 422 04 01 01 04 14 35 J2202+4216 23 15 17 19.8 346.0 1.2 0.0 79 422 04 14 35 04 22 35 =VR422201 23 23 19 19.3 344.5 1.3 0.0 480 453 04 14 36 Next scan frequencies: 21667.62 21667.62 21678.62 21678.62 21689.61 21689.61 21700.61 21700.61 Next BBC frequencies: 367.62 367.62 378.62 378.62 389.61 389.61 400.61 400.61 04 27 10 TXS 23 27 55 74.5 297.4 1.0 0.0 127 453 04 27 10 04 35 10 --- 23 35 56 72.9 293.8 1.1 0.0 480 484 04 27 11 04 35 40 TXS 23 36 26 72.8 293.6 1.1 0.0 9 484 04 35 40 04 45 40 --- 23 46 28 70.7 290.0 1.3 0.0 600 523 04 35 41 04 46 10 TXS 23 46 58 70.6 289.8 1.3 0.0 9 523 04 46 10 04 56 10 --- 23 56 59 68.5 286.8 1.4 0.0 600 561 04 46 11 04 56 40 TXS 23 57 29 68.3 286.7 1.5 0.0 9 561 04 56 40 05 06 40 --- 00 07 31 66.2 284.2 1.6 0.0 600 600 04 56 41 Next scan frequencies: 21678.49 21678.49 21689.49 21689.49 21700.49 21700.49 21711.49 21711.49 Next BBC frequencies: 378.49 378.49 389.49 389.49 400.49 400.49 411.49 411.49 05 10 55 J2202+4216 00 11 47 15.6 336.0 2.1 0.0 107 600 05 10 55 05 18 55 =VR422201 00 19 48 14.9 334.6 2.3 0.0 480 631 05 10 56 Next scan frequencies: 21667.62 21667.62 21678.62 21678.62 21689.61 21689.61 21700.61 21700.61 Next BBC frequencies: 367.62 367.62 378.62 378.62 389.61 389.61 400.61 400.61 05 23 30 TXS 00 24 24 62.5 280.6 1.9 0.0 127 631 05 23 30 05 31 30 --- 00 32 25 60.7 279.2 2.0 0.0 480 662 05 23 31 05 32 00 TXS 00 32 55 60.6 279.1 2.0 0.0 9 662 05 32 00 05 42 00 --- 00 42 57 58.3 277.5 2.2 0.0 600 700 05 32 01 05 42 30 TXS 00 43 27 58.2 277.4 2.2 0.0 9 700 05 42 30 05 52 30 --- 00 53 29 56.0 275.9 2.4 0.0 600 739 05 42 31 Next scan frequencies: 21678.49 21678.49 21689.49 21689.49 21700.49 21700.49 21711.49 21711.49 Next BBC frequencies: 378.49 378.49 389.49 389.49 400.49 400.49 411.49 411.49 05 56 25 J2202+4216 00 57 24 10.8 328.8 2.9 0.0 87 739 05 56 25 06 04 25 =VR422201 01 05 25 9.9 327.7 3.0 0.0 480 770 05 56 26 Schedule for HART (Code Hh ) Page 4 A detailed study of the H2O gigamaser, and of its polarization, in TXS22 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 ---------------------------------------------------------------------------------------- --- Sat 9 Jun 2018 Day 160 --- Next scan frequencies: 21667.62 21667.62 21678.62 21678.62 21689.61 21689.61 21700.61 21700.61 Next BBC frequencies: 367.62 367.62 378.62 378.62 389.61 389.61 400.61 400.61 06 06 55 TXS 01 07 56 52.8 273.9 2.6 0.0 2 770 06 06 55 06 07 55 --- 01 08 56 52.5 273.8 2.6 0.0 60 774 06 06 56 06 08 25 TXS 01 09 26 52.4 273.7 2.7 0.0 9 774 06 08 25 06 17 25 --- 01 18 28 50.4 272.6 2.8 0.0 540 809 06 08 26 06 17 55 TXS 01 18 58 50.3 272.5 2.8 0.0 9 809 06 17 55 06 27 55 --- 01 28 59 48.0 271.4 3.0 0.0 600 847 06 17 56 06 28 25 TXS 01 29 29 47.9 271.3 3.0 0.0 9 847 06 28 25 06 38 25 --- 01 39 31 45.7 270.2 3.2 0.0 600 886 06 28 26 06 38 55 TXS 01 40 01 45.5 270.1 3.2 0.0 9 886 06 38 55 06 48 55 --- 01 50 03 43.3 269.0 3.3 0.0 600 925 06 38 56 06 49 25 TXS 01 50 33 43.2 269.0 3.3 0.0 9 925 06 49 25 06 59 25 --- 02 00 35 40.9 267.9 3.5 0.0 600 963 06 49 26 07 12 25 TXS 02 13 37 38.0 266.6 3.7 0.0 758 963 07 12 25 07 13 25 --- 02 14 37 37.8 266.5 3.7 0.0 60 967 07 12 26 07 13 55 TXS 02 15 07 37.7 266.5 3.7 0.0 9 967 07 13 55 07 22 55 --- 02 24 08 35.6 265.6 3.9 0.0 540 1002 07 13 56 07 23 25 TXS 02 24 38 35.5 265.6 3.9 0.0 9 1002 07 23 25 07 33 25 --- 02 34 40 33.3 264.6 4.1 0.0 600 1041 07 23 26 07 33 55 TXS 02 35 10 33.2 264.5 4.1 0.0 9 1041 07 33 55 07 43 55 --- 02 45 12 30.9 263.6 4.3 0.0 600 1079 07 33 56 07 44 25 TXS 02 45 42 30.8 263.5 4.3 0.0 9 1079 07 44 25 07 46 45 --- 02 48 02 30.3 263.3 4.3 0.0 140 1088 07 44 26 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess218.K512line --- 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: 4 Station: HART Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21300.00 21300.00 21300.00 21300.00 21300.00 21300.00 21300.00 21300.00 Net SB= U U U U U U U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 2 10 3 11 4 12 BBC SB= U U U U U U U U IF = A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 5 Based on FREQ, BW, and/or DOPPLER in schedule. Used with PCAL = off LO sum= 21678.49 21678.49 21689.49 21689.49 21700.49 21700.49 21711.49 21711.49 BBC fr= 378.49 378.49 389.49 389.49 400.49 400.49 411.49 411.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 5 Frequency Set: 13 Based on FREQ, BW, and/or DOPPLER in schedule. Used with PCAL = off LO sum= 21667.62 21667.62 21678.62 21678.62 21689.61 21689.61 21700.61 21700.61 BBC fr= 367.62 367.62 378.62 378.62 389.61 389.61 400.61 400.61 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 13 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * TXS 22 26 30.065630 * 22 29 12.494600 22 30 11.506106 0.00 -18 26 09.57617 *-18 10 47.24200 -18 05 04.47873 0.00 From catalog imbedded in main SCHED input file. Doppler based on heliocentric frame and radio definition. Velocities: 7571.10 7571.10 7422.90 7422.90 7274.70 7274.70 7126.30 7126.30 * 3C48 01 34 49.826431 * 01 37 41.299497 01 38 43.011379 0.58 J0137+3309 32 54 20.25962 * 33 09 35.13380 33 14 53.08939 0.56 0134+329 /home/jops/sched_11.4mod/catalogs/sources.gsfc J0137+33 GSFC 2015a astro solution, unpublished 79 observations. VR422201 22 00 39.362505 * 22 02 43.291372 22 03 29.206064 0.00 * J2202+4216 42 02 08.59077 * 42 16 39.97990 42 21 46.29665 0.00 BLLAC /home/jops/sched_11.4mod/catalogs/sources.gsfc 2200+420 GSFC 2015a astro solution, unpublished 51226 observations. J2202+42 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 TXS sess218.K512line 8 9 10 12 13 14 3.789 75.811 3C48 sess218.K512line 1 2 3 4 5 7 0.333 6.960 J2202+4216 sess218.K512line 1 2 3 4 5 7 1.000 18.400 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) TXS 105.6 3C48 47.1 J2202+4216 86.0 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