COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: Monitoring Knot HST-1 in M87 Jet Exp. Code: BC167F Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Teddy Cheung Address: KIPAC, Stanford University Varian Physics Bldg, 382 Via Pueblo Mall Stanford CA 94305-4060, USA Phone: 650 736 7883 EMAIL: teddy3c@stanford.edu Fax: 650 725 4096 Phone during observation: 650 736 7883 Observing mode: 9050cm 64-8-2 Notes: COVER LETTER: This is BC167F. BC167 SUMMARY: 1. Nov06 (VLBA L band for 8 hrs = BC167 A) - observed 2. Feb07 (VLBA L band for 8 hrs = BC167 B) - observed 3. May07 (VLBA L band, and P+50cm for 8 hrs each = BC167 C, D) coordinated with VLA A-config run. 4. Early Aug07 (VLBA L band, and P+50cm for 8 hrs each = BC167 E, F) coordinated with VLA A-config run. 5. Dec07 (VLBA L band, and P+50cm for 8 hrs each = BC167 G, H) coordinated with VLA B-config run. -------------------------------------------------------------------- Here is the official dynamic scheduling sheet: ================================================================ Preferred Dynamic Contraints. Alter [defaults] as desired. ================================================================ Equipment constraints: Stations. Below each station code, the "o" indicates an [optional] station that is to be used if it is available. Change "o" to "r" if the station is required or change "o" to "n" if the station is not to be used. SC HN NL FD LA PT KP OV BR MK o o o o o o o o o r Minimum number of stations [7]: May we swap PT for a single VLA antenna? [yes] Consult http://www.aoc.nrao.edu/~gtaylor/y1gotcha.html to decide. If you adopt the default, then both PT and VLA1 must be in the stations list in the keyin file. Bands and polarizations. Below each band code, insert "R" if the righthand polarization is to be used, "L" if the lefthand polarization is to be used, "d" if dual polarizations are to be used, or "o" if the band is in your setups but scheduling should not be constrained by its availability. 90cm 50cm 20cm 13cm 6cm 4cm 2cm 1cm 7mm 3mm d d Weather constraints: [appropriate for bands marked "L", "R", or "d" above and for at least the minimum number of stations] Date constraints: Preferred date(s), usually a series start [none]: This epoch any time in August 2007 (prefer early month) Excluded dates plus reason [none]: Preferred interval between segments in days [none]: Special conditions (e.g., a series with different spacings in time) [See the comments at the top.]: Schedule for VLBA_MK (Code Mk ) Page 2 Monitoring Knot HST-1 in M87 Jet 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 ---------------------------------------------------------------------------------------- --- Thu 23 Aug 2007 Day 235 --- Next scan frequencies: 326.49 326.49 328.49 328.49 608.99 608.99 610.99 610.99 Next BBC frequencies: 826.49 826.49 828.49 828.49 608.99 608.99 610.99 610.99 Next scan bandwidths: 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 17 35 57 3C147 05 20 39 59.6 7.2 -0.4 -169.5 0 1 1 0 17 35 37 17 40 56 --- 05 25 39 59.7 5.6 -0.3 -171.8 299 F 1 3 17 36 00 18 52 20 3C147 06 37 15 58.1 -16.6 0.9 155.4 4263 1 1 3 18 52 00 18 57 19 --- 06 42 15 57.7 -17.9 1.0 153.3 299 F 1 5 18 52 23 18 59 37 1148-001 06 44 33 12.4 95.0 -5.1 -69.6 42 1 1 5 18 59 17 19 04 36 --- 06 49 33 13.6 95.5 -5.0 -69.5 299 F 1 8 18 59 40 19 36 31 3C274 07 21 33 15.8 82.3 -5.2 -72.6 1900 1 1 8 19 36 11 20 06 26 --- 07 51 33 22.8 84.5 -4.7 -73.5 1795 F 1 22 19 36 34 20 08 32 3C147 07 53 40 50.3 -33.0 2.2 127.4 41 1 1 22 20 08 12 20 13 31 --- 07 58 40 49.7 -33.7 2.3 125.8 299 F 1 25 20 08 35 20 16 00 1148-001 08 01 09 30.2 102.7 -3.8 -66.6 52 1 1 25 20 15 40 20 20 59 --- 08 06 09 31.3 103.2 -3.7 -66.3 299 F 1 28 20 16 03 20 21 59 3C274 08 07 09 26.5 85.7 -4.4 -73.8 42 1 1 28 20 21 39 20 51 54 --- 08 37 09 33.5 88.0 -3.9 -74.3 1795 F 1 42 20 22 02 20 52 54 3C274 08 38 09 33.8 88.1 -3.9 -74.3 54 1 1 42 20 52 34 21 22 49 --- 09 08 09 40.8 90.6 -3.4 -74.4 1795 F 1 57 20 52 57 21 24 49 3C147 09 10 09 39.4 -40.9 3.4 107.1 26 1 1 57 21 24 29 21 29 48 --- 09 15 09 38.6 -41.2 3.5 105.9 299 F 1 59 21 24 52 21 31 37 1148-001 09 16 58 47.2 113.6 -2.6 -59.6 0 1 1 59 21 31 17 21 36 36 --- 09 21 58 48.2 114.6 -2.5 -58.9 299 F 1 62 21 31 40 21 37 36 3C274 09 22 58 44.3 91.9 -3.1 -74.3 39 1 1 62 21 37 16 22 07 31 --- 09 52 58 51.4 95.0 -2.6 -73.7 1795 F 1 77 21 37 39 22 08 31 3C274 09 53 58 51.6 95.1 -2.6 -73.6 54 1 1 77 22 08 11 22 38 26 --- 10 23 58 58.6 98.8 -2.1 -72.1 1795 F 1 91 22 08 34 Schedule for VLBA_MK (Code Mk ) Page 3 Monitoring Knot HST-1 in M87 Jet 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 ---------------------------------------------------------------------------------------- --- Thu 23 Aug 2007 Day 235 --- 22 39 26 1148-001 10 24 58 60.8 131.3 -1.4 -45.0 32 1 1 91 22 39 06 22 44 25 --- 10 29 58 61.6 133.1 -1.4 -43.4 299 F 1 94 22 39 29 22 45 25 3C274 10 30 58 60.2 99.9 -2.0 -71.6 32 1 1 94 22 45 05 23 15 20 --- 11 00 58 67.1 105.6 -1.5 -68.1 1795 F 1 108 22 45 28 23 16 20 3C274 11 01 58 67.3 105.8 -1.5 -67.9 54 1 1 108 23 16 00 23 46 15 --- 11 31 58 74.0 115.4 -1.0 -60.4 1795 F 1 123 23 16 23 23 47 15 1148-001 11 32 58 69.3 167.1 -0.3 -12.1 19 1 1 123 23 46 55 23 52 14 --- 11 37 58 69.5 170.6 -0.2 -8.9 299 F 1 126 23 47 18 --- Start: Thu 23 Aug 2007 Day 235 -- Stop: Fri 24 Aug 2007 Day 236 --- 23 53 14 3C274 11 38 58 75.4 118.8 -0.9 -57.6 19 1 1 126 23 52 54 00 23 09 --- 12 08 58 80.8 143.6 -0.4 -34.9 1795 F 1 140 23 53 17 00 24 09 3C274 12 09 58 81.0 144.8 -0.4 -33.7 53 1 1 140 00 23 49 00 54 04 --- 12 39 58 82.3 196.1 0.1 15.5 1795 F 1 155 00 24 12 00 55 04 1148-001 12 40 58 66.4 212.6 0.8 30.4 22 1 1 155 00 54 44 01 00 03 --- 12 45 58 65.7 215.2 0.9 32.8 299 F 1 157 00 55 07 01 01 03 3C274 12 46 58 81.6 207.5 0.3 26.4 22 1 1 157 01 00 43 01 30 58 --- 13 16 58 76.7 237.6 0.8 54.4 1795 F 1 172 01 01 06 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: v9050cm Matches group v5090n in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 10 Station: VLBA_MK Total bit rate: 64 Format: VLBA1:1 Bits per sample: 2 Sample rate: 4.000 Number of channels: 8 Speedup factor: 2.00 Disk used to record data. 1st LO= -500.00 -500.00 -500.00 -500.00 0.00 0.00 0.00 0.00 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= U U U U U U U U IF = B D B D B D B D VLBA FE= omit 90cm omit 90cm VLBA Synth= 15.4 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 LO sum= 326.49 326.49 328.49 328.49 608.99 608.99 610.99 610.99 BBC fr= 826.49 826.49 828.49 828.49 608.99 608.99 610.99 610.99 Bandwd= 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 10 10 1510 1510 1010 1010 PCALFR2= 510 510 10 10 1510 1510 1010 1010 Track assignments are: track1= 2, 6, 10, 14, 18, 22, 26, 30 barrel=roll_off SOURCE LIST -- Monitoring Knot HST-1 in M87 Jet 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) J0542+4951 05 38 43.517525 * 05 42 36.137902 05 43 11.459811 0.32 0538+498 49 49 42.83710 * 49 51 07.23373 49 51 19.04307 0.41 * 3C147 /home/filehost/cwalker/sched/catalogs/sources.vlba J0542+49 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.582 scan hours, 12.050 baseline hours above horizon. J1150-0023 11 48 10.124940 * 11 50 43.870749 11 51 06.712319 0.22 * 1148-001 -00 07 13.16423 *-00 23 54.20538 -00 26 22.91937 0.34 J1150-00 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.582 scan hours, 22.023 baseline hours above horizon. J1230+1223 12 28 17.569279 * 12 30 49.423381 12 31 12.188752 0.31 1228+126 12 40 01.74901 * 12 23 28.04383 12 21 01.60504 0.20 * 3C274 /home/filehost/cwalker/sched/catalogs/sources.vlba J1230+12 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 6.482 scan hours, 256.797 baseline hours above horizon. 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) 3C147 66.4 1148-001 27.8 3C274 34.6 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