COVER INFORMATION Station: VLBA_LA (Code La ) Experiment: BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. Exp. Code: BG176F 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_LA (Code La ) 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 ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 05 40 21 J0927+3902 08 37 30 79.5 68.3 -0.8 -104.1 0 1 1 0 05 40 21 05 44 21 =0923+392 08 41 30 80.3 67.1 -0.8 -105.8 239 F 1 8 05 40 39 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 05 44 26 J0927+3902 08 41 35 80.3 67.1 -0.8 -105.9 0 1 1 8 05 44 21 05 48 25 =0923+392 08 45 35 81.1 65.7 -0.7 -107.9 239 F 1 16 05 44 21 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 05 48 30 J0927+3902 08 45 39 81.1 65.7 -0.7 -107.9 0 1 1 16 05 48 25 05 52 29 =0923+392 08 49 39 81.8 64.0 -0.6 -110.2 239 F 1 23 05 48 25 05 55 40 J1038+0512 08 52 51 50.8 135.1 -1.8 -35.1 123 1 1 23 05 55 40 06 00 39 =1036+054 08 57 51 51.5 136.7 -1.7 -33.9 299 F 1 33 05 55 58 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 06 00 44 J1038+0512 08 57 55 51.5 136.8 -1.7 -33.9 0 1 1 33 06 00 39 06 05 43 =1036+054 09 02 55 52.2 138.5 -1.6 -32.7 299 F 1 43 06 00 39 Schedule for VLBA_LA (Code La ) 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 ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 06 05 47 J1038+0512 09 03 00 52.2 138.5 -1.6 -32.7 0 1 1 43 06 05 43 06 10 46 =1036+054 09 08 00 52.9 140.2 -1.5 -31.4 299 F 1 53 06 05 43 06 12 41 J1128+5925 09 09 55 57.4 32.6 -2.3 -120.9 37 1 1 53 06 12 41 06 32 08 =1125+596 09 29 25 59.5 30.0 -2.0 -127.3 1167 F 1 90 06 12 59 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 06 32 12 J1128+5925 09 29 29 59.5 29.9 -2.0 -127.4 0 1 1 90 06 32 08 06 51 39 =1125+596 09 48 59 61.4 26.7 -1.7 -134.4 1167 F 1 128 06 32 08 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 06 51 43 J1128+5925 09 49 03 61.4 26.6 -1.7 -134.4 0 1 1 128 06 51 39 07 11 10 =1125+596 10 08 33 63.0 22.7 -1.3 -142.2 1167 F 1 166 06 51 39 07 13 18 J1038+0512 10 10 42 58.7 166.2 -0.5 -11.2 27 1 1 166 07 13 18 07 18 18 =1036+054 10 15 42 58.9 168.6 -0.4 -9.3 299 F 1 176 07 13 36 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 07 18 22 J1038+0512 10 15 47 58.9 168.6 -0.4 -9.2 0 1 1 176 07 18 18 07 23 21 =1036+054 10 20 47 59.1 171.0 -0.3 -7.3 299 F 1 185 07 18 18 Schedule for VLBA_LA (Code La ) 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 ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 07 23 26 J1038+0512 10 20 51 59.1 171.1 -0.3 -7.3 0 1 1 185 07 23 21 07 28 25 =1036+054 10 25 51 59.2 173.5 -0.2 -5.3 299 F 1 195 07 23 21 07 30 21 J1128+5925 10 27 47 64.4 18.1 -1.0 -150.4 6 1 1 195 07 30 21 07 48 48 =1125+596 10 46 17 65.4 13.0 -0.7 -158.9 1107 F 1 231 07 30 39 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 07 48 52 J1128+5925 10 46 21 65.4 13.0 -0.7 -159.0 0 1 1 231 07 48 48 08 07 19 =1125+596 11 04 51 66.1 7.5 -0.4 -168.0 1107 F 1 267 07 48 48 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 07 23 J1128+5925 11 04 56 66.1 7.5 -0.4 -168.0 0 1 1 267 08 07 19 08 25 50 =1125+596 11 23 26 66.4 1.7 -0.1 -177.3 1107 F 1 303 08 07 19 08 28 13 J0927+3902 11 25 49 66.4 -73.2 2.0 88.5 87 1 1 303 08 28 13 08 32 13 =0923+392 11 29 49 65.6 -73.2 2.0 88.0 239 F 1 310 08 28 31 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 32 17 J0927+3902 11 29 54 65.6 -73.2 2.0 88.0 0 1 1 310 08 32 13 08 36 16 =0923+392 11 33 54 64.8 -73.1 2.1 87.4 239 F 1 318 08 32 13 Schedule for VLBA_LA (Code La ) 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 ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 36 21 J0927+3902 11 33 58 64.8 -73.1 2.1 87.4 0 1 1 318 08 36 16 08 40 20 =0923+392 11 37 58 64.0 -73.0 2.2 86.8 239 F 1 326 08 36 16 08 43 34 J1038+0512 11 41 12 56.2 208.6 1.0 22.9 0 1 1 326 08 43 34 08 48 33 =1036+054 11 46 12 55.7 210.6 1.1 24.5 299 F 1 336 08 43 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 48 38 J1038+0512 11 46 17 55.7 210.7 1.1 24.5 0 1 1 336 08 48 33 08 53 37 =1036+054 11 51 17 55.2 212.6 1.2 26.1 299 F 1 345 08 48 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 53 41 J1038+0512 11 51 22 55.2 212.7 1.2 26.1 0 1 1 345 08 53 37 08 58 41 =1036+054 11 56 22 54.6 214.6 1.3 27.6 299 F 1 355 08 53 37 09 00 42 J1128+5925 11 58 23 65.9 350.7 0.5 165.1 25 1 1 355 09 00 42 09 19 09 =1125+596 12 16 53 65.1 345.4 0.8 156.3 1107 F 1 391 09 01 00 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 19 14 J1128+5925 12 16 58 65.1 345.3 0.8 156.2 0 1 1 391 09 19 09 09 37 41 =1125+596 12 35 28 64.0 340.5 1.1 147.9 1107 F 1 427 09 19 09 Schedule for VLBA_LA (Code La ) 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 ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 09 37 45 J1128+5925 12 35 32 64.0 340.5 1.1 147.8 0 1 1 427 09 37 41 09 56 12 =1125+596 12 54 02 62.6 336.2 1.4 140.1 1107 F 1 463 09 37 41 09 58 50 J1038+0512 12 56 41 46.0 234.1 2.3 41.3 84 1 1 463 09 58 50 10 03 50 =1036+054 13 01 41 45.2 235.4 2.4 42.1 299 F 1 472 09 59 08 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 03 54 J1038+0512 13 01 46 45.2 235.4 2.4 42.1 0 1 1 472 10 03 50 10 08 53 =1036+054 13 06 46 44.3 236.7 2.5 42.9 299 F 1 482 10 03 50 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 08 58 J1038+0512 13 06 50 44.3 236.7 2.5 42.9 0 1 1 482 10 08 53 10 13 57 =1036+054 13 11 50 43.5 238.0 2.5 43.7 299 F 1 492 10 08 53 10 15 26 J1128+5925 13 13 20 60.9 332.5 1.7 132.6 20 1 1 492 10 15 26 10 33 53 =1125+596 13 31 50 59.1 329.5 2.1 126.0 1107 F 1 528 10 15 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 10 33 58 J1128+5925 13 31 54 59.1 329.5 2.1 126.0 0 1 1 528 10 33 53 10 52 25 =1125+596 13 50 24 57.1 327.0 2.4 120.0 1107 F 1 563 10 33 53 Schedule for VLBA_LA (Code La ) 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 ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 52 29 J1128+5925 13 50 29 57.1 327.0 2.4 119.9 0 1 1 563 10 52 25 11 10 56 =1125+596 14 08 59 55.0 325.1 2.7 114.4 1107 F 1 599 10 52 25 11 13 07 J1038+0512 14 11 10 32.6 250.8 3.5 50.3 75 1 1 599 11 13 07 11 17 36 =1036+054 14 15 40 31.8 251.6 3.6 50.6 269 F 1 608 11 13 25 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 17 41 J1038+0512 14 15 45 31.7 251.6 3.6 50.6 0 1 1 608 11 17 36 11 22 10 =1036+054 14 20 15 30.9 252.4 3.7 51.0 269 F 1 617 11 17 36 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 22 15 J1038+0512 14 20 19 30.9 252.5 3.7 51.0 0 1 1 617 11 22 10 11 26 44 =1036+054 14 24 49 30.0 253.3 3.8 51.3 269 F 1 626 11 22 10 11 28 03 J0927+3902 14 26 09 32.3 297.5 5.0 67.8 44 1 1 626 11 28 03 11 32 03 =0923+392 14 30 09 31.6 297.9 5.0 67.4 239 F 1 633 11 28 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 11 32 07 J0927+3902 14 30 13 31.6 297.9 5.0 67.4 0 1 1 633 11 32 03 11 36 07 =0923+392 14 34 13 30.9 298.2 5.1 66.9 239 F 1 641 11 32 03 Schedule for VLBA_LA (Code La ) 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 ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 36 11 J0927+3902 14 34 18 30.9 298.2 5.1 66.9 0 1 1 641 11 36 07 11 40 10 =0923+392 14 38 18 30.2 298.6 5.2 66.5 239 F 1 649 11 36 07 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /users/cwalker/sched/setups/v6cm-256-8-2.set Matches group v6cm_2 in /users/cwalker/sched/catalogs/freq.dat Setup group: 5 Station: VLBA_LA 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: 5 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: /users/cwalker/sched/setups/v4cm-256-8-2.set Matches group v4cm_3 in /users/cwalker/sched/catalogs/freq.dat Setup group: 15 Station: VLBA_LA 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: 15 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: /users/cwalker/sched/setups/v2cm-256-8-2.set Matches group v2cm_d3 in /users/cwalker/sched/catalogs/freq.dat Fourth 2cm filter Setup group: 25 Station: VLBA_LA 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: 25 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 36.268624 0.26 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 10.25798 0.40 4C39.25 /users/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 14.123897 0.31 1036+054 05 28 06.89953 * 05 12 29.08646 05 09 47.40800 0.26 /users/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 44.842902 0.43 1125+596 59 41 46.14397 * 59 25 14.79866 59 22 19.95054 0.41 J1128+59 /users/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 149.7 J1038+0512 172.1 J1128+5925 129.5 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