COVER INFORMATION Station: VLBA_PT (Code Pt ) Experiment: bp134; 26c Component in Blazar 0827+243 Exp. Code: bp134e Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Glenn Piner Address: Department of Physics and Astronomy Whittier College Whittier, CA, 90608 USA Phone: 562-464-4556 EMAIL: gpiner@whittier.edu Fax: 562-464-4514 Phone during observation: 562-464-4556 Observing mode: 128-8-1 at 4cm Notes: D-term calibrator: 0710+439 Polarization calibrators: 0552+398, 0923+392, 3C273 Includes 7mm obs. of calibrators for Faraday rot. correction Schedule for VLBA_PT (Code Pt ) Page 2 bp134; 26c Component in Blazar 0827+243 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 5 Aug 2007 Day 217 --- Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 15 47 13 0827+243 05 30 00 49.5 92.1 -3.0 -64.8 0 1 1 0 15 47 13 16 47 03 --- 06 30 00 61.8 102.9 -2.0 -61.9 3590 F 1 58 15 47 36 16 49 03 0552+398 06 32 00 81.0 -49.8 0.6 124.8 12 1 1 58 16 49 03 16 56 01 --- 06 39 00 79.8 -54.1 0.7 119.4 419 F 1 65 16 49 26 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 16 56 31 0552+398 06 39 30 79.7 -54.4 0.7 119.1 25 1 1 65 16 56 31 17 03 30 --- 06 46 30 78.5 -57.6 0.8 114.8 419 F 1 71 16 56 54 17 05 30 0710+439 06 48 30 79.3 25.7 -0.4 -150.3 58 1 1 71 17 05 30 17 12 29 --- 06 55 30 79.8 19.4 -0.3 -157.6 419 F 1 78 17 05 53 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 17 12 59 0710+439 06 56 00 79.9 18.9 -0.3 -158.2 24 1 1 78 17 12 59 17 19 57 --- 07 03 00 80.2 12.0 -0.2 -166.3 419 F 1 85 17 13 22 17 21 57 0827+243 07 05 00 68.7 112.7 -1.4 -56.7 47 1 1 85 17 21 57 18 21 47 --- 08 05 00 78.4 148.8 -0.4 -28.0 3590 F 1 143 17 22 20 18 23 47 0923+392 08 07 00 73.2 67.9 -1.3 -100.0 60 1 1 143 18 23 47 18 30 46 --- 08 14 00 74.6 66.9 -1.2 -102.0 419 F 1 150 18 24 10 Schedule for VLBA_PT (Code Pt ) Page 3 bp134; 26c Component in Blazar 0827+243 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 5 Aug 2007 Day 217 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 18 31 16 0923+392 08 14 30 74.7 66.8 -1.2 -102.2 25 1 1 150 18 31 16 18 38 15 --- 08 21 30 76.0 65.6 -1.1 -104.5 419 F 1 156 18 31 39 18 40 14 0552+398 08 23 30 60.3 -68.4 2.5 88.9 24 1 1 156 18 40 14 18 47 13 --- 08 30 30 58.9 -68.3 2.6 87.8 419 F 1 163 18 40 37 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 18 47 43 0552+398 08 31 00 58.8 -68.3 2.6 87.8 25 1 1 163 18 47 43 18 54 42 --- 08 38 00 57.5 -68.2 2.7 86.7 419 F 1 170 18 48 06 18 56 42 0710+439 08 40 00 70.9 -53.8 1.4 112.6 87 1 1 170 18 56 42 19 03 40 --- 08 47 00 69.7 -55.1 1.5 110.1 419 F 1 177 18 57 05 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 19 04 10 0710+439 08 47 30 69.6 -55.2 1.6 109.9 25 1 1 177 19 04 10 19 11 09 --- 08 54 30 68.4 -56.4 1.7 107.6 419 F 1 183 19 04 33 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 19 13 09 0827+243 08 56 30 78.5 210.1 0.4 27.0 -64 1 1 183 19 13 09 20 59 21 --- 10 43 00 59.7 259.3 2.2 62.8 6309 F 1 286 19 13 32 21 01 21 0923+392 10 45 00 73.8 292.5 1.3 100.9 85 1 1 286 21 01 21 21 08 20 --- 10 52 00 72.5 291.7 1.4 99.0 419 F 1 293 21 01 44 Schedule for VLBA_PT (Code Pt ) Page 4 bp134; 26c Component in Blazar 0827+243 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 5 Aug 2007 Day 217 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 21 08 50 0923+392 10 52 30 72.4 291.7 1.4 98.9 25 1 1 293 21 08 50 21 15 49 --- 10 59 30 71.0 291.1 1.5 97.2 419 F 1 300 21 09 13 21 17 48 3C273 11 01 30 51.7 142.8 -1.5 -30.0 15 1 1 300 21 17 48 21 31 46 --- 11 15 30 53.4 147.9 -1.2 -26.1 838 F 1 313 21 18 11 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 21 32 16 3C273 11 16 00 53.4 148.1 -1.2 -25.9 25 1 1 313 21 32 16 21 46 14 --- 11 30 00 54.9 153.5 -1.0 -21.6 838 F 1 327 21 32 39 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /home/filehost/cwalker/sched/setups/v4cm-128-8-1.set Matches group v4cm_3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 6 Station: VLBA_PT Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Speedup factor: 2.00 Disk used to record data. 1st LO= 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 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 4cm omit 4cm VLBA Synth= 7.6 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 6 Setup file default. Used pcal sets: 1 LO sum= 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 BBC fr= 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 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= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_off Setup file: /home/filehost/cwalker/sched/setups/v7mm-128-8-1.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 16 Station: VLBA_PT Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Speedup factor: 2.00 Disk used to record data. 1st LO= 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 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 = A C A C A C A C VLBA FE= 7mm omit 7mm omit VLBA Synth= 15.4 7.6 11.6 The following frequency sets based on this setup were used. Frequency Set: 16 Setup file default. Used pcal sets: 1 LO sum= 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 BBC fr= 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 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= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_off SOURCE LIST -- bp134; 26c Component in Blazar 0827+243 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) J0555+3948 05 52 01.407172 * 05 55 30.805614 05 56 01.944115 0.26 * 0552+398 39 48 21.94585 * 39 48 49.16500 39 48 56.39124 0.40 DA193 /home/filehost/cwalker/sched/catalogs/sources.vlba J0555+39 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.465 scan hours, 20.943 baseline hours above horizon. J0713+4349 07 10 03.347951 * 07 13 38.164138 07 14 09.868838 0.29 * 0710+439 43 54 26.19478 * 43 49 17.20748 43 48 34.94403 0.41 J0713+43 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.465 scan hours, 20.943 baseline hours above horizon. J0830+2410 08 27 54.398593 * 08 30 52.086192 08 31 18.275551 0.22 * 0827+243 24 21 07.66379 * 24 10 59.82038 24 09 36.15655 0.40 J0830+24 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 3.765 scan hours, 168.804 baseline hours above horizon. J0927+3902 09 23 55.319213 * 09 27 03.013934 09 27 30.702030 0.26 * 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 30.81749 0.40 4C39.25 /home/filehost/cwalker/sched/catalogs/sources.vlba J0927+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.465 scan hours, 20.943 baseline hours above horizon. J1229+0203 12 26 33.245836 * 12 29 06.699732 12 29 29.744564 0.30 1226+023 02 19 43.30565 * 02 03 08.59815 02 00 39.81964 0.20 * 3C273 /home/filehost/cwalker/sched/catalogs/sources.vlba 3C273B VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro J1229+02 0.465 scan hours, 20.743 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) 0552+398 46.1 0710+439 35.2 0827+243 10.2 0923+392 22.8 3C273 53.1 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