COVER INFORMATION Station: HART (Code Hh ) Experiment: 6.7GHz masers toward G23.01-0.41: magnetic field vs. velocity field Exp. Code: ES067 Schedule Version: 2.00 Processed by SCHED version: 9.40 Development version after Mar. 23, 2010. PI: A. Sanna Address: Max-Planck-Institut fuer Radioastronomie Auf dem Huegel 69 53121, Bonn Germany Phone: +49 (0)228 525304 EMAIL: asanna@mpifr-bonn.mpg.de Fax: Phone during observation: +49 (0)228 525304 Observing mode: Polarization observations of 1 source at 6.7 GHz (32 Mb/s) Notes: phase-cal OFF Schedule for HART (Code Hh ) Page 2 6.7GHz masers toward G23.01-0.41: magnetic field vs. velocity field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 29 May 2011 Day 149 --- Next scan frequencies: 6666.48 6666.48 6666.48 6666.48 Next BBC frequencies: 156.48 156.48 156.48 156.48 Next scan bandwidths: 2.00 2.00 2.00 2.00 22 16 00 J1331+3030 16 35 06 18.6 319.3 3.1 0.0 0 1 1 0 22 16 00 22 26 00 =3C286 16 45 08 17.1 317.6 3.2 0.0 600 F 1 2 22 16 04 22 31 00 G23.01 16 50 08 59.9 60.7 -1.8 0.0 124 1 1 2 22 31 00 22 42 30 --- 17 01 40 62.1 57.0 -1.6 0.0 690 F 1 5 22 31 04 22 43 00 G23.01 17 02 10 62.2 56.8 -1.6 0.0 7 1 1 5 22 43 00 22 54 30 --- 17 13 42 64.3 52.6 -1.4 0.0 690 F 1 8 22 43 04 22 55 00 G23.01 17 14 12 64.4 52.4 -1.4 0.0 7 1 1 8 22 55 00 23 06 30 --- 17 25 44 66.4 47.5 -1.2 0.0 690 F 1 11 22 55 04 23 07 00 G23.01 17 26 14 66.5 47.3 -1.2 0.0 7 1 1 11 23 07 00 23 18 30 --- 17 37 46 68.3 41.5 -1.0 0.0 690 F 1 14 23 07 04 23 36 30 G23.01 17 55 49 70.7 30.8 -0.7 0.0 1044 1 1 14 23 36 30 23 48 00 --- 18 07 21 71.9 22.7 -0.5 0.0 690 F 1 16 23 36 34 23 48 30 G23.01 18 07 51 71.9 22.3 -0.5 0.0 7 1 1 16 23 48 30 23 59 59 --- 18 19 23 72.7 13.3 -0.3 0.0 689 F 1 19 23 48 34 --- Mon 30 May 2011 Day 150 --- 00 00 30 G23.01 18 19 53 72.7 12.9 -0.3 0.0 7 1 1 19 00 00 30 00 12 00 --- 18 31 25 73.1 3.3 -0.1 0.0 690 F 1 22 00 00 34 00 12 30 G23.01 18 31 55 73.1 2.9 -0.1 0.0 7 1 1 22 00 12 30 00 24 00 --- 18 43 27 73.0 353.1 0.1 0.0 690 F 1 25 00 12 34 00 29 00 J2202+4216 18 48 28 8.3 34.1 -3.2 0.0 170 1 1 25 00 29 00 00 37 00 =BLLAC 18 56 29 9.3 33.0 -3.1 0.0 480 F 1 27 00 29 04 00 42 00 G23.01 19 01 30 72.0 338.6 0.4 0.0 167 1 1 27 00 42 00 00 53 30 --- 19 13 02 70.9 330.4 0.6 0.0 690 F 1 29 00 42 04 00 54 00 G23.01 19 13 32 70.8 330.1 0.6 0.0 7 1 1 29 00 54 00 01 05 30 --- 19 25 04 69.4 322.8 0.8 0.0 690 F 1 32 00 54 04 Schedule for HART (Code Hh ) Page 3 6.7GHz masers toward G23.01-0.41: magnetic field vs. velocity field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Mon 30 May 2011 Day 150 --- 01 06 00 G23.01 19 25 34 69.3 322.5 0.8 0.0 7 1 1 32 01 06 00 01 17 30 --- 19 37 06 67.6 316.3 1.0 0.0 690 F 1 35 01 06 04 01 18 00 G23.01 19 37 36 67.6 316.0 1.0 0.0 7 1 1 35 01 18 00 01 29 30 --- 19 49 08 65.7 310.6 1.2 0.0 690 F 1 38 01 18 04 01 34 30 J2202+4216 19 54 09 15.6 24.2 -2.2 0.0 170 1 1 38 01 34 30 01 42 30 =BLLAC 20 02 10 16.3 22.8 -2.0 0.0 480 F 1 40 01 34 34 01 47 30 G23.01 20 07 11 62.4 303.6 1.5 0.0 167 1 1 40 01 47 30 01 59 00 --- 20 18 43 60.2 299.9 1.7 0.0 690 F 1 42 01 47 34 01 59 30 G23.01 20 19 13 60.1 299.7 1.7 0.0 7 1 1 42 01 59 30 02 11 00 --- 20 30 45 57.8 296.4 1.9 0.0 690 F 1 45 01 59 34 02 11 30 G23.01 20 31 15 57.7 296.3 1.9 0.0 7 1 1 45 02 11 30 02 23 00 --- 20 42 46 55.4 293.4 2.1 0.0 690 F 1 48 02 11 34 02 23 30 G23.01 20 43 17 55.3 293.3 2.1 0.0 7 1 1 48 02 23 30 02 35 00 --- 20 54 48 52.9 290.7 2.3 0.0 690 F 1 51 02 23 34 02 40 00 J2202+4216 20 59 49 20.2 12.4 -1.1 0.0 170 1 1 51 02 40 00 02 48 00 =BLLAC 21 07 51 20.6 10.9 -0.9 0.0 480 F 1 53 02 40 04 02 53 00 G23.01 21 12 51 49.0 287.1 2.6 0.0 167 1 1 53 02 53 00 03 04 30 --- 21 24 23 46.5 285.0 2.8 0.0 690 F 1 56 02 53 04 03 05 00 G23.01 21 24 53 46.4 284.9 2.8 0.0 7 1 1 56 03 05 00 03 16 30 --- 21 36 25 43.9 283.1 3.0 0.0 690 F 1 58 03 05 04 03 17 00 G23.01 21 36 55 43.8 283.0 3.0 0.0 7 1 1 58 03 17 00 03 28 30 --- 21 48 27 41.3 281.2 3.2 0.0 690 F 1 61 03 17 04 03 29 00 G23.01 21 48 57 41.2 281.1 3.2 0.0 7 1 1 61 03 29 00 03 40 30 --- 22 00 29 38.6 279.5 3.4 0.0 690 F 1 64 03 29 04 03 45 30 J2202+4216 22 05 30 21.8 359.5 0.0 0.0 170 1 1 64 03 45 30 03 53 30 =BLLAC 22 13 31 21.7 357.9 0.2 0.0 480 F 1 66 03 45 34 03 58 30 G23.01 22 18 32 34.6 277.1 3.7 0.0 167 1 1 66 03 58 30 04 10 00 --- 22 30 04 32.0 275.6 3.9 0.0 690 F 1 69 03 58 34 04 10 30 G23.01 22 30 34 31.9 275.6 3.9 0.0 7 1 1 69 04 10 30 04 22 00 --- 22 42 06 29.3 274.2 4.1 0.0 690 F 1 71 04 10 34 Schedule for HART (Code Hh ) Page 4 6.7GHz masers toward G23.01-0.41: magnetic field vs. velocity field UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Mon 30 May 2011 Day 150 --- 04 22 30 G23.01 22 42 36 29.2 274.1 4.1 0.0 7 1 1 71 04 22 30 04 34 00 --- 22 54 08 26.6 272.8 4.3 0.0 690 F 1 74 04 22 34 04 34 30 G23.01 22 54 38 26.5 272.7 4.3 0.0 7 1 1 74 04 34 30 04 46 00 --- 23 06 10 23.9 271.4 4.5 0.0 690 F 1 77 04 34 34 04 51 00 J2202+4216 23 11 11 20.0 346.7 1.1 0.0 170 1 1 77 04 51 00 04 59 00 =BLLAC 23 19 12 19.6 345.2 1.3 0.0 480 F 1 79 04 51 04 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: sess211.M32 Matching groups in : hh4.5cm_S2 Values confirmed by E-mail Jonathan Quick 291100 (CR) Setup group: 6 Station: HART Total bit rate: 32 Format: MKIV1:1 Bits per sample: 2 Sample rate: 4.000 Number of channels: 4 Speedup factor: 2.00 Disk used to record data. 1st LO= 6510.00 6510.00 6510.00 6510.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 2 1 4 3 BBC SB= U U U U IF = 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 7 Based on FREQ, BW, and/or DOPPLER in schedule. LO sum= 6666.48 6666.48 6666.48 6666.48 BBC fr= 156.48 156.48 156.48 156.48 Bandwd= 2.000 2.000 2.000 2.000 Track assignments are: track1= 2, 6, 10, 14 barrel=roll_off SOURCES USED IN RECORDING SCANS -- 6.7GHz masers toward G23.01-0.41: magnetic field vs. velocity field Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * G23.01 18 31 55.995307 * 18 34 40.290000 18 35 19.979215 0.00 -09 03 03.43237 *-09 00 38.30000 -09 00 02.85528 0.00 From catalog imbedded in main SCHED input file. maser target position Doppler based on LSR frame and radio definition. Velocities: 77.00 77.00 77.00 77.00 4.600 scan and 96.594 baseline hours in setup: sess211.M32 * J1331+3030 13 28 49.657776 * 13 31 08.288068 13 31 41.792851 0.21 3C286 30 45 58.64077 * 30 30 32.95941 30 27 01.53314 0.19 1328+307 /home/Alberto/SCHED09/catalogs/sources.vlba J1331+30 GSFC Nov. 2009 Solution 2009a 243 Observations Doppler based on other sources. 0.167 scan and 3.500 baseline hours in setup: sess211.M32 * J2202+4216 22 00 39.362506 * 22 02 43.291373 22 03 12.713403 0.01 BLLAC 42 02 08.59082 * 42 16 39.97996 42 19 50.02785 0.01 2200+420 /home/Alberto/SCHED09/catalogs/sources.vlba J2202+42 GSFC Nov. 2009 Solution 2009a 50280 Observations VR422201 Doppler based on other sources. 0.933 scan and 17.333 baseline hours in setup: sess211.M32 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) G23.01 146.5 J1331+3030 113.1 J2202+4216 79.6 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