COVER INFORMATION Station: VLBA_OV (Code Ov ) Experiment: BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. Exp. Code: BG176B Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Krisztina Eva Gabanyi Address: FOMI, Satellite Geodetic Observatory P.O. Box 585 Budapest, 1592 Hungary Phone: +36 27 374980 (w) / +36 20 5375474 (m) EMAIL: gabanyik@sgo.fomi.hu Fax: +36 27 374982 Phone during observation: +36 20 5375474 Observing mode: At 6cm, 3.6cm, 2cm; dual pol; recording 256 Mbit/s Notes: observations scheduled in 6 epochs, separated by 6-8 weeks fringe finder, calibrator: J0927+3902=4C39.25 polarized, compact, D-term calibrator: J1038+0512 Schedule for VLBA_OV (Code Ov ) Page 2 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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 ---------------------------------------------------------------------------------------- --- Fri 31 Aug 2007 Day 243 --- Next scan frequencies: 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 Next BBC frequencies: 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 17 04 30 J0927+3902 07 49 22 70.7 77.2 -1.6 -87.5 0 1 1 0 17 04 30 17 08 29 =0923+392 07 53 22 71.4 77.3 -1.6 -88.1 239 F 1 8 17 04 48 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 08 34 J0927+3902 07 53 27 71.5 77.3 -1.6 -88.1 0 1 1 8 17 08 29 17 12 33 =0923+392 07 57 27 72.2 77.3 -1.5 -88.6 239 F 1 16 17 08 29 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 17 12 38 J0927+3902 07 57 32 72.3 77.3 -1.5 -88.7 0 1 1 16 17 12 33 17 16 37 =0923+392 08 01 32 73.0 77.4 -1.4 -89.2 239 F 1 23 17 12 33 17 19 48 J1038+0512 08 04 43 42.4 122.7 -2.6 -42.3 124 1 1 23 17 19 48 17 24 47 =1036+054 08 09 43 43.2 124.0 -2.5 -41.5 299 F 1 33 17 20 06 Source only 3.4 degrees from the Sun. 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 24 52 J1038+0512 08 09 48 43.2 124.0 -2.5 -41.5 0 1 1 33 17 24 47 17 29 51 =1036+054 08 14 48 44.1 125.3 -2.4 -40.7 299 F 1 43 17 24 47 Source only 3.4 degrees from the Sun. Schedule for VLBA_OV (Code Ov ) Page 3 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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 ---------------------------------------------------------------------------------------- --- Fri 31 Aug 2007 Day 243 --- Next scan frequencies: 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 Next BBC frequencies: 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 17 29 56 J1038+0512 08 14 52 44.1 125.3 -2.4 -40.7 0 1 1 43 17 29 51 17 34 55 =1036+054 08 19 52 44.9 126.6 -2.3 -39.9 299 F 1 53 17 29 51 Source only 3.4 degrees from the Sun. 17 36 49 J1128+5925 08 21 47 53.0 38.0 -3.1 -105.6 49 1 1 53 17 36 49 17 56 16 =1125+596 08 41 17 55.4 36.7 -2.8 -110.9 1167 F 1 90 17 37 07 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 56 20 J1128+5925 08 41 21 55.4 36.7 -2.8 -110.9 0 1 1 90 17 56 16 18 15 47 =1125+596 09 00 51 57.6 34.9 -2.5 -116.6 1167 F 1 128 17 56 16 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 18 15 51 J1128+5925 09 00 56 57.7 34.9 -2.5 -116.6 0 1 1 128 18 15 47 18 35 18 =1125+596 09 20 26 59.8 32.5 -2.1 -122.8 1167 F 1 166 18 15 47 18 37 27 J1038+0512 09 22 34 53.5 146.7 -1.3 -26.0 46 1 1 166 18 37 27 18 42 26 =1036+054 09 27 34 54.0 148.6 -1.2 -24.6 299 F 1 176 18 37 45 Source only 3.4 degrees from the Sun. 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 42 30 J1038+0512 09 27 39 54.0 148.6 -1.2 -24.6 0 1 1 176 18 42 26 18 47 30 =1036+054 09 32 39 54.5 150.6 -1.1 -23.1 299 F 1 185 18 42 26 Source only 3.4 degrees from the Sun. Schedule for VLBA_OV (Code Ov ) Page 4 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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 ---------------------------------------------------------------------------------------- --- Fri 31 Aug 2007 Day 243 --- Next scan frequencies: 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 Next BBC frequencies: 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 18 47 34 J1038+0512 09 32 44 54.5 150.6 -1.1 -23.1 0 1 1 185 18 47 30 18 52 33 =1036+054 09 37 44 55.0 152.6 -1.0 -21.6 299 F 1 195 18 47 30 Source only 3.4 degrees from the Sun. 18 54 29 J1128+5925 09 39 39 61.8 29.6 -1.8 -129.5 28 1 1 195 18 54 29 19 12 56 =1125+596 09 58 09 63.5 26.1 -1.5 -136.6 1107 F 1 231 18 54 47 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 00 J1128+5925 09 58 14 63.5 26.0 -1.5 -136.7 0 1 1 231 19 12 56 19 31 27 =1125+596 10 16 44 65.0 21.8 -1.2 -144.4 1107 F 1 267 19 12 56 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 19 31 32 J1128+5925 10 16 48 65.0 21.8 -1.2 -144.5 0 1 1 267 19 31 27 19 49 59 =1125+596 10 35 18 66.2 17.0 -0.9 -152.9 1107 F 1 303 19 31 27 19 52 22 J0927+3902 10 37 42 76.1 -77.3 1.2 91.8 74 1 1 303 19 52 22 19 56 21 =0923+392 10 41 42 75.3 -77.4 1.2 91.1 239 F 1 310 19 52 40 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 56 26 J0927+3902 10 41 46 75.3 -77.4 1.2 91.1 0 1 1 310 19 56 21 20 00 25 =0923+392 10 45 46 74.5 -77.4 1.3 90.4 239 F 1 318 19 56 21 Schedule for VLBA_OV (Code Ov ) Page 5 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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 ---------------------------------------------------------------------------------------- --- Fri 31 Aug 2007 Day 243 --- Next scan frequencies: 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 Next BBC frequencies: 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 20 00 29 J0927+3902 10 45 51 74.5 -77.4 1.3 90.4 0 1 1 318 20 00 25 20 04 29 =0923+392 10 49 51 73.7 -77.4 1.4 89.8 239 F 1 326 20 00 25 20 07 42 J1038+0512 10 53 05 57.8 186.5 0.2 5.2 12 1 1 326 20 07 42 20 12 42 =1036+054 10 58 05 57.6 188.8 0.3 7.0 299 F 1 336 20 08 00 Source only 3.4 degrees from the Sun. 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 20 12 46 J1038+0512 10 58 10 57.6 188.9 0.3 7.1 0 1 1 336 20 12 42 20 17 45 =1036+054 11 03 10 57.5 191.2 0.4 8.9 299 F 1 345 20 12 42 Source only 3.4 degrees from the Sun. Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 20 17 50 J1038+0512 11 03 14 57.5 191.2 0.4 8.9 0 1 1 345 20 17 45 20 22 49 =1036+054 11 08 14 57.3 193.5 0.5 10.7 299 F 1 355 20 17 45 Source only 3.4 degrees from the Sun. 20 24 51 J1128+5925 11 10 16 67.7 366.2 -0.3 -170.3 0 1 1 355 20 24 51 20 43 18 =1125+596 11 28 46 67.9 360.0 0.0 179.9 1107 F 1 391 20 25 09 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 20 43 22 J1128+5925 11 28 51 67.9 359.9 0.0 179.9 0 1 1 391 20 43 18 21 01 49 =1125+596 11 47 21 67.6 353.7 0.3 170.2 1107 F 1 427 20 43 18 Schedule for VLBA_OV (Code Ov ) Page 6 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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 ---------------------------------------------------------------------------------------- --- Fri 31 Aug 2007 Day 243 --- Next scan frequencies: 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 Next BBC frequencies: 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 21 01 54 J1128+5925 11 47 25 67.6 353.7 0.3 170.1 0 1 1 427 21 01 49 21 20 20 =1125+596 12 05 55 67.1 347.8 0.6 160.7 1107 F 1 463 21 01 49 21 22 59 J1038+0512 12 08 34 52.0 218.0 1.5 29.5 66 1 1 463 21 22 59 21 27 58 =1036+054 12 13 34 51.4 219.7 1.6 30.7 299 F 1 472 21 23 17 Source only 3.4 degrees from the Sun. 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 28 03 J1038+0512 12 13 39 51.4 219.7 1.6 30.7 0 1 1 472 21 27 58 21 33 02 =1036+054 12 18 39 50.7 221.4 1.7 31.9 299 F 1 482 21 27 58 Source only 3.4 degrees from the Sun. Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 21 33 06 J1038+0512 12 18 43 50.7 221.4 1.7 31.9 0 1 1 482 21 33 02 21 38 06 =1036+054 12 23 43 50.0 223.1 1.7 33.1 299 F 1 492 21 33 02 Source only 3.4 degrees from the Sun. 21 39 35 J1128+5925 12 25 13 66.1 342.1 0.9 151.4 4 1 1 492 21 39 35 21 58 02 =1125+596 12 43 43 64.8 337.4 1.3 143.1 1107 F 1 528 21 39 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 21 58 06 J1128+5925 12 43 47 64.8 337.4 1.3 143.0 0 1 1 528 21 58 02 22 16 33 =1125+596 13 02 17 63.2 333.3 1.6 135.4 1107 F 1 563 21 58 02 Schedule for VLBA_OV (Code Ov ) Page 7 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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 ---------------------------------------------------------------------------------------- --- Fri 31 Aug 2007 Day 243 --- Next scan frequencies: 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 Next BBC frequencies: 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 22 16 38 J1128+5925 13 02 22 63.2 333.3 1.6 135.4 0 1 1 563 22 16 33 22 35 05 =1125+596 13 20 52 61.5 329.9 1.9 128.4 1107 F 1 599 22 16 33 22 37 16 J1038+0512 13 23 03 40.8 239.6 2.7 43.6 65 1 1 599 22 37 16 22 41 45 =1036+054 13 27 33 40.0 240.7 2.8 44.2 269 F 1 608 22 37 34 Source only 3.4 degrees from the Sun. 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 22 41 49 J1038+0512 13 27 37 40.0 240.7 2.8 44.2 0 1 1 608 22 41 45 22 46 19 =1036+054 13 32 07 39.2 241.7 2.9 44.7 269 F 1 617 22 41 45 Source only 3.4 degrees from the Sun. Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 22 46 23 J1038+0512 13 32 12 39.2 241.7 2.9 44.8 0 1 1 617 22 46 19 22 50 53 =1036+054 13 36 42 38.4 242.7 3.0 45.3 269 F 1 626 22 46 19 Source only 3.4 degrees from the Sun. 22 52 12 J0927+3902 13 38 02 41.7 292.4 4.2 71.3 40 1 1 626 22 52 12 22 56 11 =0923+392 13 42 02 41.0 292.8 4.2 70.9 239 F 1 633 22 52 30 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 22 56 16 J0927+3902 13 42 06 41.0 292.8 4.2 70.9 0 1 1 633 22 56 11 23 00 15 =0923+392 13 46 06 40.2 293.1 4.3 70.4 239 F 1 641 22 56 11 Schedule for VLBA_OV (Code Ov ) Page 8 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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 ---------------------------------------------------------------------------------------- --- Fri 31 Aug 2007 Day 243 --- Next scan frequencies: 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 Next BBC frequencies: 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 23 00 20 J0927+3902 13 46 11 40.2 293.1 4.3 70.4 0 1 1 641 23 00 15 23 04 19 =0923+392 13 50 11 39.5 293.5 4.4 70.0 239 F 1 649 23 00 15 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/v6cm-256-8-2.set Matches group v6cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 8 Station: VLBA_OV Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 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= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 8 Setup file default. Used pcal sets: 1 LO sum= 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 BBC fr= 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 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/v4cm-256-8-2.set Matches group v4cm_3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 18 Station: VLBA_OV Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Speedup factor: 1.00 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: 18 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/v2cm-256-8-2.set Matches group v2cm_d3 in /home/filehost/cwalker/sched/catalogs/freq.dat Fourth 2cm filter Setup group: 28 Station: VLBA_OV Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 1st LO= 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 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 2cm omit 2cm VLBA Synth= 14.6 10.9 10.9 The following frequency sets based on this setup were used. Frequency Set: 28 Setup file default. Used pcal sets: 1 LO sum= 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 BBC fr= 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 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 -- BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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) * J0927+3902 09 23 55.319213 * 09 27 03.013934 09 27 31.061076 0.26 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 26.09699 0.40 4C39.25 /home/filehost/cwalker/sched/catalogs/sources.vlba J0927+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.598 scan hours, 25.130 baseline hours above horizon. * J1038+0512 10 36 10.827237 * 10 38 46.779890 10 39 09.904824 0.31 1036+054 05 28 06.89953 * 05 12 29.08646 05 10 12.80321 0.26 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 1.222 scan hours, 51.757 baseline hours above horizon. * J1128+5925 11 25 23.181652 * 11 28 13.340676 11 28 38.378339 0.43 1125+596 59 41 46.14397 * 59 25 14.79866 59 22 49.10648 0.41 J1128+59 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 3.740 scan hours, 168.289 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) J0927+3902 34.4 J1038+0512 3.4 J1128+5925 51.7 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