COVER INFORMATION Station: VLBA_OV (Code Ov ) Experiment: 2006VV2 Radar Imaging Exp. Code: bb247b Schedule Version: 2.00 Processed by SCHED version: 7.00 Development late 2006 PI: Michael Busch Address: MC 150-21, Caltech Pasadena, CA 91125 USA Phone: 612 269 9998 EMAIL: busch@caltech.edu Fax: 626 568 0935 Phone during observation: 612 269 9998 Observing mode: 3.6cm Continuum + line Notes: Schedule for VLBA_OV (Code Ov ) Page 2 2006VV2 Radar Imaging 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 1 Apr 2007 Day 91 --- Next scan frequencies: 8559.94 8559.94 8560.06 8560.06 8559.82 8559.82 8560.18 8560.18 Next BBC frequencies: 840.06 840.06 839.94 839.94 840.18 840.18 839.82 839.82 Next scan bandwidths: 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 04 15 00 J1038+0512 08 58 30 50.5 138.2 -1.7 -32.2 0 1 1 0 04 15 00 04 17 40 =1036+054 09 01 10 50.9 139.1 -1.6 -31.6 160 F 1 1 04 15 35 Next scan frequencies: 8557.99 8557.99 8561.99 8561.99 8553.99 8553.99 8565.99 8565.99 Next BBC frequencies: 842.01 842.01 838.01 838.01 846.01 846.01 834.01 834.01 Next scan bandwidths: 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 04 18 03 J1038+0512 09 01 34 51.0 139.2 -1.6 -31.5 18 1 1 1 04 17 40 04 19 03 =1036+054 09 02 34 51.1 139.6 -1.6 -31.2 60 F 1 2 04 18 13 Next scan frequencies: 8559.94 8559.94 8560.06 8560.06 8559.82 8559.82 8560.18 8560.18 Next BBC frequencies: 840.06 840.06 839.94 839.94 840.18 840.18 839.82 839.82 Next scan bandwidths: 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 04 19 33 J1041+0610 09 03 03 51.6 138.1 -1.6 -32.4 22 1 1 2 04 19 03 04 22 13 =1038+064 09 05 43 52.0 139.0 -1.6 -31.7 160 F 1 3 04 19 53 Next scan frequencies: 8557.99 8557.99 8561.99 8561.99 8553.99 8553.99 8565.99 8565.99 Next BBC frequencies: 842.01 842.01 838.01 838.01 846.01 846.01 834.01 834.01 Next scan bandwidths: 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 04 22 36 J1041+0610 09 06 07 52.0 139.1 -1.6 -31.6 18 1 1 3 04 22 13 04 23 36 =1038+064 09 07 07 52.2 139.5 -1.6 -31.4 60 F 1 4 04 22 46 Schedule for VLBA_OV (Code Ov ) Page 3 2006VV2 Radar Imaging 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 1 Apr 2007 Day 91 --- Next scan frequencies: 8559.94 8559.94 8560.06 8560.06 8559.82 8559.82 8560.18 8560.18 Next BBC frequencies: 840.06 840.06 839.94 839.94 840.18 840.18 839.82 839.82 Next scan bandwidths: 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 04 24 23 J1016+0513 09 07 55 54.3 149.8 -1.1 -23.7 35 1 1 4 04 23 36 04 27 03 =1013+054 09 10 35 54.6 150.8 -1.1 -22.9 160 F 1 5 04 24 26 Next scan frequencies: 8557.99 8557.99 8561.99 8561.99 8553.99 8553.99 8565.99 8565.99 Next BBC frequencies: 842.01 842.01 838.01 838.01 846.01 846.01 834.01 834.01 Next scan bandwidths: 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 04 27 26 J1016+0513 09 10 58 54.6 151.0 -1.1 -22.8 18 1 1 5 04 27 03 04 28 26 =1013+054 09 11 58 54.7 151.4 -1.1 -22.5 60 F 1 6 04 27 36 Next scan frequencies: 8559.94 8559.94 Next BBC frequencies: 840.06 840.06 Next scan bandwidths: 0.12 0.12 04 28 26 2006VV2 09 11 58 51.9 143.4 -1.4 -28.4 -12 1 1 6 04 28 26 04 58 26 --- 09 42 03 54.9 154.9 -0.9 -19.8 1788 F 1 8 04 29 16 Next scan frequencies: 8557.99 8557.99 8561.99 8561.99 8553.99 8553.99 8565.99 8565.99 Next BBC frequencies: 842.01 842.01 838.01 838.01 846.01 846.01 834.01 834.01 Next scan bandwidths: 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 04 58 52 J1038+0512 09 42 29 55.4 154.6 -0.9 -20.1 19 1 1 8 04 58 26 05 00 22 =1036+054 09 44 00 55.5 155.2 -0.9 -19.6 90 F 1 10 04 58 59 05 00 52 J1041+0610 09 44 29 56.3 153.7 -1.0 -20.7 22 1 1 10 05 00 22 05 01 52 =1038+064 09 45 29 56.4 154.2 -0.9 -20.4 60 F 1 11 05 00 22 Schedule for VLBA_OV (Code Ov ) Page 4 2006VV2 Radar Imaging 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 1 Apr 2007 Day 91 --- Next scan frequencies: 8559.94 8559.94 Next BBC frequencies: 840.06 840.06 Next scan bandwidths: 0.12 0.12 05 01 52 2006VV2 09 45 29 55.2 156.3 -0.9 -18.7 -8 1 1 11 05 01 52 05 31 52 --- 10 15 34 57.0 169.4 -0.4 -8.4 1792 F 1 13 05 02 42 Next scan frequencies: 8559.94 8559.94 8560.06 8560.06 8559.82 8559.82 8560.18 8560.18 Next BBC frequencies: 840.06 840.06 839.94 839.94 840.18 840.18 839.82 839.82 Next scan bandwidths: 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 05 32 23 J1041+0610 10 16 05 58.4 167.8 -0.4 -9.7 22 1 1 13 05 31 52 05 34 53 =1038+064 10 18 36 58.5 169.0 -0.4 -8.8 150 F 1 14 05 32 42 05 35 35 J1016+0513 10 19 18 57.9 181.3 0.0 1.1 28 1 1 14 05 34 53 05 39 05 =1013+054 10 22 49 57.9 183.0 0.1 2.4 210 F 1 15 05 34 53 Next scan frequencies: 8557.99 8557.99 8561.99 8561.99 8553.99 8553.99 8565.99 8565.99 Next BBC frequencies: 842.01 842.01 838.01 838.01 846.01 846.01 834.01 834.01 Next scan bandwidths: 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 05 41 01 4C39.25 10 24 45 78.6 283.4 1.0 94.5 43 1 1 15 05 39 05 05 44 01 --- 10 27 45 78.0 283.2 1.0 93.8 180 F 1 20 05 39 38 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bb247a_cal_n.set Matches group v4cm_4 in /users/cwalker/sched/catalogs/freq.dat Setup group: 19 Station: VLBA_OV Total bit rate: 32 Format: VLBA1:1 Bits per sample: 2 Sample rate: 2.000 Number of channels: 8 Speedup factor: 4.00 Disk used to record data. 1st LO= 9400.00 9400.00 9400.00 9400.00 9400.00 9400.00 9400.00 9400.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= L L L L L L L L IF = B D B D B D B D VLBA FE= omit 4cm omit 4cm VLBA Synth= 9.4 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 8 Setup file default. Used pcal sets: 1 LO sum= 8559.94 8559.94 8560.06 8560.06 8559.82 8559.82 8560.18 8560.18 BBC fr= 840.06 840.06 839.94 839.94 840.18 840.18 839.82 839.82 Bandwd= 0.125 0.125 0.125 0.125 0.125 0.125 0.125 0.125 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 S5 S6 S7 S8 PCALXB2= M1 M2 M3 M4 M5 M6 M7 M8 PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 6, 10, 14, 18, 22, 26, 30 barrel=roll_off Setup file: bb247a_cal_w.set Matches group v4cm_4 in /users/cwalker/sched/catalogs/freq.dat Setup group: 30 Station: VLBA_OV Total bit rate: 128 Format: VLBA1:1 Bits per sample: 2 Sample rate: 8.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 1st LO= 9400.00 9400.00 9400.00 9400.00 9400.00 9400.00 9400.00 9400.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= L L L L L L L L IF = B D B D B D B D VLBA FE= omit 4cm omit 4cm VLBA Synth= 9.4 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 19 Setup file default. Used pcal sets: 2 LO sum= 8557.99 8557.99 8561.99 8561.99 8553.99 8553.99 8565.99 8565.99 BBC fr= 842.01 842.01 838.01 838.01 846.01 846.01 834.01 834.01 Bandwd= 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 2 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 10 10 10 10 3010 3010 3010 3010 PCALFR2= 10 10 10 10 3010 3010 3010 3010 Track assignments are: track1= 2, 6, 10, 14, 18, 22, 26, 30 barrel=roll_off Setup file: 2006vv2_a1.set Matches group v4cm_4 in /users/cwalker/sched/catalogs/freq.dat Setup group: 8 Station: VLBA_OV Total bit rate: 8 Format: VLBA1:1 Bits per sample: 2 Sample rate: 2.000 Number of channels: 2 Speedup factor: 4.00 Disk used to record data. 1st LO= 9400.00 9400.00 Net SB= U U Pol. = RCP LCP BBC = 1 2 BBC SB= L L IF = B D VLBA FE= omit 4cm omit 4cm VLBA Synth= 9.4 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 30 Setup file default. Used pcal sets: 3 LO sum= 8559.94 8559.94 BBC fr= 840.06 840.06 Bandwd= 0.125 0.125 The following pulse cal sets were used with this setup: Pulse cal detection set: 3 PCAL = OFF PCALXB1= S1 S2 OFF OFF OFF OFF OFF OFF PCALXB2= M1 M2 OFF OFF OFF OFF OFF OFF PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 6 barrel=roll_off SOURCE LIST -- 2006VV2 Radar Imaging 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) * J1041+0610 10 38 40.885160 * 10 41 17.162506 10 41 41.204142 0.30 1038+064 06 25 58.53255 * 06 10 16.92333 06 07 54.79514 0.21 J1041+06 From catalog imbedded in main SCHED input file. VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.119 scan hours, 6.569 baseline hours above horizon. * J1038+0512 10 36 10.827237 * 10 38 46.779890 10 39 10.755640 0.31 1036+054 05 28 06.89953 * 05 12 29.08646 05 10 07.44562 0.26 From catalog imbedded in main SCHED input file. VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.086 scan hours, 4.735 baseline hours above horizon. * J1016+0513 10 13 26.616006 * 10 16 03.136490 10 16 27.121948 0.35 1013+054 05 28 00.58185 * 05 13 02.34061 05 10 47.41454 0.44 From catalog imbedded in main SCHED input file. VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.119 scan hours, 6.569 baseline hours above horizon. J0927+3902 09 23 55.319213 * 09 27 03.013934 09 27 31.914268 0.26 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 33.96521 0.40 * 4C39.25 /users/cwalker/sched/catalogs/sources.vlba J0927+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.050 scan hours, 2.750 baseline hours above horizon. * 2006VV2 10 35 38.813954 * 10 38 14.560568 10 38 38.498751 0.00 04 56 28.65622 * 04 40 51.66769 04 38 30.07443 0.00 Satellite. Position is for scan 1, center Earth. 1.000 scan hours, 54.495 baseline hours above horizon. Planetary motion used. Ref. MJD: 54191.1771 Rates: RA = 0.40162E+03 s/day Dec = -0.76461E+05 arcsec/day KERFILE: naif0008.tls SATFILE: merged_spk.soln50 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) J1041+0610 148.5 J1038+0512 148.2 J1016+0513 142.7 4C39.25 117.8 2006VV2 148.2 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