COVER INFORMATION Station: VLBA_HN (Code Hn ) 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_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 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 10 54 32 73.2 263.9 1.5 69.5 0 1 1 0 17 04 30 17 08 29 =0923+392 10 58 32 72.4 264.8 1.5 69.8 239 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 10 58 37 72.4 264.8 1.5 69.8 0 1 1 8 17 08 29 17 12 33 =0923+392 11 02 37 71.7 265.7 1.6 70.0 239 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 11 02 42 71.7 265.7 1.6 70.0 0 1 1 16 17 12 33 17 16 37 =0923+392 11 06 42 70.9 266.5 1.7 70.1 239 F 1 23 17 12 33 17 19 48 J1038+0512 11 09 53 51.6 192.4 0.5 9.1 135 1 1 23 17 19 48 17 24 47 =1036+054 11 14 53 51.4 194.4 0.6 10.5 299 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 11 14 58 51.4 194.4 0.6 10.5 0 1 1 33 17 24 47 17 29 51 =1036+054 11 19 58 51.2 196.3 0.7 11.9 299 F 1 43 17 24 47 Source only 3.4 degrees from the Sun. 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 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 11 20 02 51.2 196.4 0.7 12.0 0 1 1 43 17 29 51 17 34 55 =1036+054 11 25 02 50.9 198.3 0.8 13.3 299 F 1 53 17 29 51 Source only 3.4 degrees from the Sun. 17 36 49 J1128+5925 11 26 57 73.6 360.8 0.0 -178.9 0 1 1 53 17 36 49 17 56 16 =1125+596 11 46 27 73.3 352.1 0.3 168.6 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 11 46 31 73.3 352.0 0.3 168.5 0 1 1 90 17 56 16 18 15 47 =1125+596 12 06 01 72.6 344.0 0.6 156.6 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 12 06 05 72.6 343.9 0.6 156.6 0 1 1 128 18 15 47 18 35 18 =1125+596 12 25 35 71.4 336.9 0.9 145.7 1167 F 1 166 18 15 47 18 37 27 J1038+0512 12 27 44 45.3 220.2 1.8 28.3 45 1 1 166 18 37 27 18 42 26 =1036+054 12 32 44 44.7 221.7 1.9 29.3 299 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 12 32 49 44.6 221.8 1.9 29.3 0 1 1 176 18 42 26 18 47 30 =1036+054 12 37 49 44.0 223.3 2.0 30.3 299 F 1 185 18 42 26 Source only 3.4 degrees from the Sun. 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 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 12 37 53 44.0 223.3 2.0 30.3 0 1 1 185 18 47 30 18 52 33 =1036+054 12 42 53 43.4 224.8 2.1 31.2 299 F 1 195 18 47 30 Source only 3.4 degrees from the Sun. 18 54 29 J1128+5925 12 44 49 69.8 331.2 1.3 136.1 39 1 1 195 18 54 29 19 12 56 =1125+596 13 03 19 68.1 326.8 1.6 128.1 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 13 03 24 68.1 326.8 1.6 128.0 0 1 1 231 19 12 56 19 31 27 =1125+596 13 21 54 66.1 323.3 1.9 120.9 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 13 21 58 66.1 323.3 1.9 120.9 0 1 1 267 19 31 27 19 49 59 =1125+596 13 40 28 64.0 320.7 2.2 114.5 1107 F 1 303 19 31 27 19 52 22 J0927+3902 13 42 52 42.8 288.1 4.3 63.6 95 1 1 303 19 52 22 19 56 21 =0923+392 13 46 52 42.1 288.5 4.3 63.3 239 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 13 46 56 42.1 288.5 4.3 63.3 0 1 1 310 19 56 21 20 00 25 =0923+392 13 50 56 41.4 289.0 4.4 63.0 239 F 1 318 19 56 21 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 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 13 51 01 41.4 289.0 4.4 63.0 0 1 1 318 20 00 25 20 04 29 =0923+392 13 55 01 40.7 289.5 4.5 62.6 239 F 1 326 20 00 25 20 07 42 J1038+0512 13 58 15 32.2 243.9 3.3 41.3 157 1 1 326 20 07 42 20 12 42 =1036+054 14 03 15 31.3 245.0 3.4 41.8 299 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 14 03 19 31.3 245.0 3.4 41.8 0 1 1 336 20 12 42 20 17 45 =1036+054 14 08 19 30.5 246.1 3.5 42.2 299 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 14 08 24 30.5 246.1 3.5 42.2 0 1 1 345 20 17 45 20 22 49 =1036+054 14 13 24 29.6 247.2 3.6 42.7 299 F 1 355 20 17 45 Source only 3.4 degrees from the Sun. 20 24 51 J1128+5925 14 15 26 59.8 317.6 2.8 104.2 55 1 1 355 20 24 51 20 43 18 =1125+596 14 33 56 57.5 316.7 3.1 99.5 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 14 34 00 57.5 316.7 3.1 99.4 0 1 1 391 20 43 18 21 01 49 =1125+596 14 52 30 55.2 316.1 3.4 95.0 1107 F 1 427 20 43 18 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 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 14 52 35 55.2 316.1 3.4 95.0 0 1 1 427 21 01 49 21 20 20 =1125+596 15 11 05 52.8 315.9 3.7 90.8 1107 F 1 463 21 01 49 21 22 59 J1038+0512 15 13 44 19.1 259.0 4.6 46.2 85 1 1 463 21 22 59 21 27 58 =1036+054 15 18 44 18.2 259.9 4.7 46.4 299 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 15 18 48 18.2 259.9 4.7 46.4 0 1 1 472 21 27 58 21 33 02 =1036+054 15 23 48 17.3 260.8 4.7 46.5 299 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 15 23 53 17.3 260.8 4.7 46.5 0 1 1 482 21 33 02 21 38 06 =1036+054 15 28 53 16.4 261.7 4.8 46.7 299 F 1 492 21 33 02 Source only 3.4 degrees from the Sun. 21 39 35 J1128+5925 15 30 23 50.4 316.0 4.0 86.8 15 1 1 492 21 39 35 21 58 02 =1125+596 15 48 53 48.0 316.3 4.3 83.0 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 15 48 57 48.0 316.3 4.3 83.0 0 1 1 528 21 58 02 22 16 33 =1125+596 16 07 27 45.7 316.9 4.6 79.4 1107 F 1 563 21 58 02 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 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 16 07 31 45.7 316.9 4.6 79.4 0 1 1 563 22 16 33 22 35 05 =1125+596 16 26 01 43.4 317.6 5.0 75.9 1107 F 1 599 22 16 33 22 37 16 J1038+0512 16 28 13 5.5 271.9 5.8 47.3 49 1 1 599 22 37 16 22 41 45 =1036+054 16 32 43 4.7 272.7 5.9 47.2 269 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 16 32 47 4.7 272.7 5.9 47.2 0 1 1 608 22 41 45 22 46 19 =1036+054 16 37 17 3.9 273.5 6.0 H 47.2 0 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 16 37 22 3.8 273.5 6.0 H 47.2 0 1 1 617 22 46 19 22 50 53 =1036+054 16 41 52 3.0 274.2 6.0 H 47.1 0 F 1 626 22 46 19 Source only 3.4 degrees from the Sun. 22 52 12 J0927+3902 16 43 11 14.1 310.7 7.3 45.6 49 1 1 626 22 52 12 22 56 11 =0923+392 16 47 11 13.6 311.3 7.3 45.1 239 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 16 47 16 13.6 311.3 7.3 45.1 0 1 1 633 22 56 11 23 00 15 =0923+392 16 51 16 13.0 311.8 7.4 44.6 239 F 1 641 22 56 11 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 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 16 51 20 13.0 311.9 7.4 44.6 0 1 1 641 23 00 15 23 04 19 =0923+392 16 55 20 12.5 312.4 7.5 44.1 239 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: 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 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