COVER INFORMATION Station: VLBA_HN (Code Hn ) Experiment: BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. Exp. Code: BG176E 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_HN (Code Hn ) 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 11 Jan 2008 Day 11 --- 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 08 21 34 J0927+3902 10 54 32 73.2 263.9 1.4 69.5 0 1 1 0 08 21 34 08 25 33 =0923+392 10 58 32 72.4 264.8 1.5 69.8 239 F 1 8 08 21 52 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 08 25 38 J0927+3902 10 58 37 72.4 264.8 1.5 69.8 0 1 1 8 08 25 33 08 29 37 =0923+392 11 02 37 71.7 265.7 1.6 70.0 239 F 1 16 08 25 33 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 08 29 42 J0927+3902 11 02 42 71.7 265.7 1.6 70.0 0 1 1 16 08 29 37 08 33 41 =0923+392 11 06 42 71.0 266.5 1.7 70.1 239 F 1 23 08 29 37 08 36 52 J1038+0512 11 09 53 51.6 192.4 0.5 9.1 135 1 1 23 08 36 52 08 41 51 =1036+054 11 14 53 51.4 194.3 0.6 10.5 299 F 1 33 08 37 10 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 08 41 56 J1038+0512 11 14 57 51.4 194.4 0.6 10.5 0 1 1 33 08 41 51 08 46 55 =1036+054 11 19 57 51.2 196.3 0.7 11.9 299 F 1 43 08 41 51 Schedule for VLBA_HN (Code Hn ) 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 11 Jan 2008 Day 11 --- 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 08 47 00 J1038+0512 11 20 02 51.2 196.3 0.7 11.9 0 1 1 43 08 46 55 08 51 59 =1036+054 11 25 02 50.9 198.3 0.8 13.3 299 F 1 53 08 46 55 08 53 53 J1128+5925 11 26 57 73.6 360.8 0.0 -178.9 0 1 1 53 08 53 53 09 13 20 =1125+596 11 46 27 73.3 352.1 0.3 168.6 1167 F 1 90 08 54 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 09 13 24 J1128+5925 11 46 31 73.3 352.1 0.3 168.6 0 1 1 90 09 13 20 09 32 51 =1125+596 12 06 01 72.6 344.0 0.6 156.6 1167 F 1 128 09 13 20 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 09 32 56 J1128+5925 12 06 05 72.6 344.0 0.6 156.6 0 1 1 128 09 32 51 09 52 22 =1125+596 12 25 35 71.4 336.9 0.9 145.7 1167 F 1 166 09 32 51 09 54 31 J1038+0512 12 27 44 45.3 220.2 1.8 28.3 45 1 1 166 09 54 31 09 59 30 =1036+054 12 32 44 44.7 221.7 1.9 29.3 299 F 1 176 09 54 49 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 09 59 34 J1038+0512 12 32 49 44.6 221.7 1.9 29.3 0 1 1 176 09 59 30 10 04 34 =1036+054 12 37 49 44.0 223.3 2.0 30.2 299 F 1 185 09 59 30 Schedule for VLBA_HN (Code Hn ) 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 11 Jan 2008 Day 11 --- 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 10 04 38 J1038+0512 12 37 53 44.0 223.3 2.0 30.3 0 1 1 185 10 04 34 10 09 37 =1036+054 12 42 53 43.4 224.8 2.1 31.2 299 F 1 195 10 04 34 10 11 33 J1128+5925 12 44 49 69.8 331.2 1.3 136.2 39 1 1 195 10 11 33 10 30 00 =1125+596 13 03 19 68.1 326.8 1.6 128.1 1107 F 1 231 10 11 51 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 10 30 04 J1128+5925 13 03 24 68.1 326.8 1.6 128.0 0 1 1 231 10 30 00 10 48 31 =1125+596 13 21 54 66.1 323.3 1.9 120.9 1107 F 1 267 10 30 00 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 10 48 36 J1128+5925 13 21 58 66.1 323.3 1.9 120.9 0 1 1 267 10 48 31 11 07 02 =1125+596 13 40 28 64.1 320.7 2.2 114.5 1107 F 1 303 10 48 31 11 09 26 J0927+3902 13 42 51 42.8 288.0 4.3 63.6 95 1 1 303 11 09 26 11 13 25 =0923+392 13 46 51 42.1 288.5 4.3 63.3 239 F 1 310 11 09 44 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 11 13 29 J0927+3902 13 46 56 42.1 288.5 4.3 63.3 0 1 1 310 11 13 25 11 17 29 =0923+392 13 50 56 41.4 289.0 4.4 63.0 239 F 1 318 11 13 25 Schedule for VLBA_HN (Code Hn ) 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 11 Jan 2008 Day 11 --- 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 11 17 33 J0927+3902 13 51 00 41.4 289.0 4.4 63.0 0 1 1 318 11 17 29 11 21 33 =0923+392 13 55 00 40.7 289.5 4.5 62.6 239 F 1 326 11 17 29 11 24 46 J1038+0512 13 58 15 32.2 243.9 3.3 41.3 157 1 1 326 11 24 46 11 29 46 =1036+054 14 03 15 31.3 245.0 3.4 41.8 299 F 1 336 11 25 04 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 11 29 50 J1038+0512 14 03 19 31.3 245.0 3.4 41.8 0 1 1 336 11 29 46 11 34 49 =1036+054 14 08 19 30.5 246.1 3.5 42.2 299 F 1 345 11 29 46 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 11 34 54 J1038+0512 14 08 24 30.5 246.1 3.5 42.2 0 1 1 345 11 34 49 11 39 53 =1036+054 14 13 24 29.6 247.2 3.6 42.7 299 F 1 355 11 34 49 11 41 54 J1128+5925 14 15 26 59.9 317.6 2.8 104.2 55 1 1 355 11 41 54 12 00 21 =1125+596 14 33 56 57.5 316.7 3.1 99.5 1107 F 1 391 11 42 12 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 12 00 26 J1128+5925 14 34 00 57.5 316.7 3.1 99.4 0 1 1 391 12 00 21 12 18 53 =1125+596 14 52 30 55.2 316.1 3.4 95.0 1107 F 1 427 12 00 21 Schedule for VLBA_HN (Code Hn ) 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 11 Jan 2008 Day 11 --- 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 12 18 57 J1128+5925 14 52 35 55.2 316.1 3.4 95.0 0 1 1 427 12 18 53 12 37 24 =1125+596 15 11 05 52.8 315.9 3.7 90.9 1107 F 1 463 12 18 53 12 40 03 J1038+0512 15 13 44 19.1 258.9 4.6 46.2 85 1 1 463 12 40 03 12 45 02 =1036+054 15 18 44 18.2 259.8 4.7 46.4 299 F 1 472 12 40 21 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 12 45 07 J1038+0512 15 18 48 18.2 259.9 4.7 46.4 0 1 1 472 12 45 02 12 50 06 =1036+054 15 23 48 17.3 260.8 4.7 46.5 299 F 1 482 12 45 02 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 12 50 10 J1038+0512 15 23 53 17.3 260.8 4.7 46.5 0 1 1 482 12 50 06 12 55 09 =1036+054 15 28 53 16.4 261.7 4.8 46.7 299 F 1 492 12 50 06 12 56 39 J1128+5925 15 30 22 50.4 316.0 4.0 86.8 15 1 1 492 12 56 39 13 15 06 =1125+596 15 48 52 48.0 316.3 4.3 83.0 1107 F 1 528 12 56 57 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 13 15 10 J1128+5925 15 48 57 48.0 316.3 4.3 83.0 0 1 1 528 13 15 06 13 33 37 =1125+596 16 07 27 45.7 316.8 4.6 79.4 1107 F 1 563 13 15 06 Schedule for VLBA_HN (Code Hn ) 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 11 Jan 2008 Day 11 --- 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 13 33 42 J1128+5925 16 07 31 45.7 316.8 4.6 79.4 0 1 1 563 13 33 37 13 52 08 =1125+596 16 26 01 43.4 317.5 5.0 75.9 1107 F 1 599 13 33 37 13 54 19 J1038+0512 16 28 12 5.5 271.9 5.8 47.3 49 1 1 599 13 54 19 13 58 49 =1036+054 16 32 42 4.7 272.7 5.9 47.3 269 F 1 608 13 54 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 13 58 53 J1038+0512 16 32 47 4.7 272.7 5.9 47.2 0 1 1 608 13 58 49 14 03 22 =1036+054 16 37 17 3.9 273.5 6.0 H 47.2 0 F 1 617 13 58 49 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 14 03 27 J1038+0512 16 37 21 3.9 273.5 6.0 H 47.2 0 1 1 617 14 03 22 14 07 56 =1036+054 16 41 51 3.0 274.2 6.0 H 47.1 0 F 1 626 14 03 22 14 09 16 J0927+3902 16 43 11 14.1 310.7 7.3 45.6 49 1 1 626 14 09 16 14 13 15 =0923+392 16 47 11 13.6 311.3 7.3 45.1 239 F 1 633 14 09 34 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 14 13 20 J0927+3902 16 47 16 13.6 311.3 7.3 45.1 0 1 1 633 14 13 15 14 17 19 =0923+392 16 51 16 13.0 311.8 7.4 44.6 239 F 1 641 14 13 15 Schedule for VLBA_HN (Code Hn ) 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 11 Jan 2008 Day 11 --- 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 14 17 23 J0927+3902 16 51 20 13.0 311.8 7.4 44.6 0 1 1 641 14 17 19 14 21 23 =0923+392 16 55 20 12.5 312.4 7.5 44.1 239 F 1 649 14 17 19 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: 2 Station: VLBA_HN 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: 2 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: 12 Station: VLBA_HN 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: 12 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: 22 Station: VLBA_HN 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: 22 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 35.583824 0.26 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 06.69602 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 13.304481 0.31 1036+054 05 28 06.89953 * 05 12 29.08646 05 09 52.86583 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 43.205639 0.43 1125+596 59 41 46.14397 * 59 25 14.79866 59 22 15.34586 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 149.5 J1038+0512 131.1 J1128+5925 123.9 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