COVER INFORMATION Station: VLBA_PT (Code Pt ) 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_PT (Code Pt ) 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 08 30 00 77.6 63.6 -1.0 -107.8 0 1 1 0 17 04 30 17 08 29 =0923+392 08 34 00 78.3 62.4 -0.9 -109.6 239 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 08 34 05 78.3 62.4 -0.9 -109.6 0 1 1 8 17 08 29 17 12 33 =0923+392 08 38 05 79.0 61.0 -0.8 -111.6 239 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 08 38 10 79.1 61.0 -0.8 -111.6 0 1 1 16 17 12 33 17 16 37 =0923+392 08 42 10 79.8 59.3 -0.8 -113.9 239 F 1 23 17 12 33 17 19 48 J1038+0512 08 45 21 50.7 131.4 -1.9 -38.4 127 1 1 23 17 19 48 17 24 47 =1036+054 08 50 21 51.5 133.0 -1.8 -37.3 299 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 50 26 51.5 133.0 -1.8 -37.3 0 1 1 33 17 24 47 17 29 51 =1036+054 08 55 26 52.2 134.7 -1.7 -36.2 299 F 1 43 17 24 47 Source only 3.4 degrees from the Sun. Schedule for VLBA_PT (Code Pt ) 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 55 30 52.3 134.7 -1.7 -36.1 0 1 1 43 17 29 51 17 34 55 =1036+054 09 00 30 53.0 136.3 -1.6 -34.9 299 F 1 53 17 29 51 Source only 3.4 degrees from the Sun. 17 36 49 J1128+5925 09 02 25 55.4 32.3 -2.4 -120.0 39 1 1 53 17 36 49 17 56 16 =1125+596 09 21 55 57.5 29.8 -2.1 -126.2 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 09 21 59 57.5 29.8 -2.1 -126.3 0 1 1 90 17 56 16 18 15 47 =1125+596 09 41 29 59.4 26.8 -1.8 -133.0 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 41 34 59.4 26.8 -1.8 -133.1 0 1 1 128 18 15 47 18 35 18 =1125+596 10 01 04 61.1 23.1 -1.5 -140.4 1167 F 1 166 18 15 47 18 37 27 J1038+0512 10 03 12 59.7 162.0 -0.6 -14.8 30 1 1 166 18 37 27 18 42 26 =1036+054 10 08 12 60.0 164.4 -0.5 -12.9 299 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 10 08 17 60.0 164.5 -0.5 -12.8 0 1 1 176 18 42 26 18 47 30 =1036+054 10 13 17 60.3 166.9 -0.4 -10.8 299 F 1 185 18 42 26 Source only 3.4 degrees from the Sun. Schedule for VLBA_PT (Code Pt ) 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 10 13 21 60.3 167.0 -0.4 -10.8 0 1 1 185 18 47 30 18 52 33 =1036+054 10 18 21 60.5 169.4 -0.3 -8.7 299 F 1 195 18 47 30 Source only 3.4 degrees from the Sun. 18 54 29 J1128+5925 10 20 17 62.5 18.9 -1.1 -148.3 9 1 1 195 18 54 29 19 12 56 =1125+596 10 38 47 63.6 14.3 -0.8 -156.4 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 10 38 52 63.6 14.3 -0.8 -156.4 0 1 1 231 19 12 56 19 31 27 =1125+596 10 57 22 64.4 9.2 -0.5 -164.9 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 57 26 64.4 9.2 -0.5 -165.0 0 1 1 267 19 31 27 19 49 59 =1125+596 11 15 56 64.8 3.8 -0.2 -173.8 1107 F 1 303 19 31 27 19 52 22 J0927+3902 11 18 20 67.4 -69.9 1.8 93.3 88 1 1 303 19 52 22 19 56 21 =0923+392 11 22 20 66.6 -70.0 1.9 92.6 239 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 11 22 24 66.6 -70.0 1.9 92.6 0 1 1 310 19 56 21 20 00 25 =0923+392 11 26 24 65.8 -70.1 2.0 91.9 239 F 1 318 19 56 21 Schedule for VLBA_PT (Code Pt ) 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 11 26 29 65.8 -70.1 2.0 91.9 0 1 1 318 20 00 25 20 04 29 =0923+392 11 30 29 65.0 -70.1 2.0 91.2 239 F 1 326 20 00 25 20 07 42 J1038+0512 11 33 43 58.2 206.5 0.9 21.7 3 1 1 326 20 07 42 20 12 42 =1036+054 11 38 43 57.8 208.7 1.0 23.4 299 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 11 38 48 57.8 208.7 1.0 23.5 0 1 1 336 20 12 42 20 17 45 =1036+054 11 43 48 57.2 210.8 1.1 25.1 299 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 43 52 57.2 210.8 1.1 25.2 0 1 1 345 20 17 45 20 22 49 =1036+054 11 48 52 56.7 212.9 1.2 26.8 299 F 1 355 20 17 45 Source only 3.4 degrees from the Sun. 20 24 51 J1128+5925 11 50 54 64.7 353.4 0.4 169.2 22 1 1 355 20 24 51 20 43 18 =1125+596 12 09 24 64.0 348.1 0.7 160.5 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 12 09 28 64.0 348.1 0.7 160.5 0 1 1 391 20 43 18 21 01 49 =1125+596 12 27 58 63.1 343.3 1.0 152.1 1107 F 1 427 20 43 18 Schedule for VLBA_PT (Code Pt ) 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 12 28 03 63.1 343.2 1.0 152.1 0 1 1 427 21 01 49 21 20 20 =1125+596 12 46 33 61.8 338.9 1.3 144.3 1107 F 1 463 21 01 49 21 22 59 J1038+0512 12 49 12 48.1 233.3 2.2 41.7 82 1 1 463 21 22 59 21 27 58 =1036+054 12 54 12 47.3 234.7 2.3 42.6 299 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 54 16 47.3 234.7 2.3 42.6 0 1 1 472 21 27 58 21 33 02 =1036+054 12 59 16 46.4 236.0 2.3 43.5 299 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 59 21 46.4 236.0 2.3 43.5 0 1 1 482 21 33 02 21 38 06 =1036+054 13 04 21 45.6 237.3 2.4 44.3 299 F 1 492 21 33 02 Source only 3.4 degrees from the Sun. 21 39 35 J1128+5925 13 05 51 60.3 335.0 1.6 136.7 18 1 1 492 21 39 35 21 58 02 =1125+596 13 24 21 58.6 331.8 1.9 130.0 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 13 24 25 58.6 331.8 1.9 130.0 0 1 1 528 21 58 02 22 16 33 =1125+596 13 42 55 56.7 329.2 2.2 123.8 1107 F 1 563 21 58 02 Schedule for VLBA_PT (Code Pt ) 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 42 59 56.7 329.2 2.2 123.7 0 1 1 563 22 16 33 22 35 05 =1125+596 14 01 29 54.6 327.0 2.5 118.0 1107 F 1 599 22 16 33 22 37 16 J1038+0512 14 03 41 34.5 250.3 3.4 51.3 74 1 1 599 22 37 16 22 41 45 =1036+054 14 08 11 33.7 251.1 3.5 51.7 269 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 14 08 15 33.7 251.1 3.5 51.7 0 1 1 608 22 41 45 22 46 19 =1036+054 14 12 45 32.8 252.0 3.6 52.1 269 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 14 12 50 32.8 252.0 3.6 52.1 0 1 1 617 22 46 19 22 50 53 =1036+054 14 17 20 31.9 252.8 3.6 52.4 269 F 1 626 22 46 19 Source only 3.4 degrees from the Sun. 22 52 12 J0927+3902 14 18 40 33.0 297.7 4.9 70.2 43 1 1 626 22 52 12 22 56 11 =0923+392 14 22 40 32.3 298.1 4.9 69.7 239 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 14 22 44 32.3 298.1 4.9 69.7 0 1 1 633 22 56 11 23 00 15 =0923+392 14 26 44 31.5 298.4 5.0 69.3 239 F 1 641 22 56 11 Schedule for VLBA_PT (Code Pt ) 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 14 26 48 31.5 298.4 5.0 69.3 0 1 1 641 23 00 15 23 04 19 =0923+392 14 30 48 30.8 298.7 5.1 68.8 239 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: 6 Station: VLBA_PT 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: 6 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: 16 Station: VLBA_PT 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: 16 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: 26 Station: VLBA_PT 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: 26 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