COVER INFORMATION Station: VLBA_KP (Code Kp ) 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_KP (Code Kp ) 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 08 16 02 73.9 59.2 -1.2 -110.4 0 1 1 0 08 21 34 08 25 33 =0923+392 08 20 02 74.6 58.1 -1.1 -112.0 239 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 08 20 07 74.6 58.1 -1.1 -112.0 0 1 1 8 08 25 33 08 29 37 =0923+392 08 24 07 75.3 56.9 -1.1 -113.8 239 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 08 24 11 75.3 56.9 -1.1 -113.8 0 1 1 16 08 29 37 08 33 41 =0923+392 08 28 11 76.0 55.6 -1.0 -115.7 239 F 1 23 08 29 37 08 36 52 J1038+0512 08 31 23 49.9 125.1 -2.1 -44.2 133 1 1 23 08 36 52 08 41 51 =1036+054 08 36 23 50.7 126.5 -2.0 -43.2 299 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 08 36 27 50.7 126.6 -2.0 -43.2 0 1 1 33 08 41 51 08 46 55 =1036+054 08 41 27 51.6 128.0 -2.0 -42.2 299 F 1 43 08 41 51 Schedule for VLBA_KP (Code Kp ) 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 08 41 32 51.6 128.0 -2.0 -42.1 0 1 1 43 08 46 55 08 51 59 =1036+054 08 46 32 52.4 129.5 -1.9 -41.1 299 F 1 53 08 46 55 08 53 53 J1128+5925 08 48 26 51.8 32.1 -2.7 -117.9 43 1 1 53 08 53 53 09 13 20 =1125+596 09 07 56 54.0 29.9 -2.3 -123.8 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 09 08 01 54.0 29.9 -2.3 -123.8 0 1 1 90 09 13 20 09 32 51 =1125+596 09 27 31 56.0 27.3 -2.0 -130.1 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 09 27 35 56.0 27.3 -2.0 -130.1 0 1 1 128 09 32 51 09 52 22 =1125+596 09 47 05 57.8 24.2 -1.7 -137.0 1167 F 1 166 09 32 51 09 54 31 J1038+0512 09 49 14 60.8 153.8 -0.8 -22.1 36 1 1 166 09 54 31 09 59 30 =1036+054 09 54 14 61.2 156.2 -0.7 -20.1 299 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 09 54 18 61.2 156.2 -0.7 -20.1 0 1 1 176 09 59 30 10 04 34 =1036+054 09 59 18 61.6 158.7 -0.7 -18.0 299 F 1 185 09 59 30 Schedule for VLBA_KP (Code Kp ) 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 09 59 23 61.6 158.7 -0.7 -18.0 0 1 1 185 10 04 34 10 09 37 =1036+054 10 04 23 62.0 161.3 -0.6 -15.9 299 F 1 195 10 04 34 10 11 33 J1128+5925 10 06 19 59.3 20.6 -1.4 -144.2 16 1 1 195 10 11 33 10 30 00 =1125+596 10 24 49 60.6 16.6 -1.1 -151.6 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 10 24 53 60.6 16.6 -1.1 -151.6 0 1 1 231 10 30 00 10 48 31 =1125+596 10 43 23 61.6 12.1 -0.8 -159.5 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 10 43 28 61.6 12.1 -0.8 -159.5 0 1 1 267 10 48 31 11 07 02 =1125+596 11 01 58 62.2 7.3 -0.4 -167.8 1107 F 1 303 10 48 31 11 09 26 J0927+3902 11 04 21 69.2 -63.5 1.6 102.3 90 1 1 303 11 09 26 11 13 25 =0923+392 11 08 21 68.4 -63.9 1.7 101.3 239 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 11 08 26 68.4 -63.9 1.7 101.2 0 1 1 310 11 13 25 11 17 29 =0923+392 11 12 26 67.6 -64.3 1.7 100.3 239 F 1 318 11 13 25 Schedule for VLBA_KP (Code Kp ) 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 11 12 30 67.6 -64.3 1.7 100.2 0 1 1 318 11 17 29 11 21 33 =0923+392 11 16 30 66.8 -64.7 1.8 99.3 239 F 1 326 11 17 29 11 24 46 J1038+0512 11 19 44 61.6 201.6 0.7 18.3 10 1 1 326 11 24 46 11 29 46 =1036+054 11 24 44 61.2 204.0 0.8 20.3 299 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 11 24 49 61.2 204.1 0.8 20.3 0 1 1 336 11 29 46 11 34 49 =1036+054 11 29 49 60.7 206.5 0.8 22.3 299 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 11 29 54 60.7 206.5 0.8 22.3 0 1 1 345 11 34 49 11 39 53 =1036+054 11 34 54 60.2 208.8 0.9 24.3 299 F 1 355 11 34 49 11 41 54 J1128+5925 11 36 55 62.6 357.7 0.1 176.2 16 1 1 355 11 41 54 12 00 21 =1125+596 11 55 25 62.2 352.7 0.4 167.8 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 11 55 30 62.2 352.7 0.4 167.7 0 1 1 391 12 00 21 12 18 53 =1125+596 12 14 00 61.6 347.9 0.8 159.5 1107 F 1 427 12 00 21 Schedule for VLBA_KP (Code Kp ) 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 12 14 04 61.6 347.9 0.8 159.5 0 1 1 427 12 18 53 12 37 24 =1125+596 12 32 34 60.6 343.4 1.1 151.6 1107 F 1 463 12 18 53 12 40 03 J1038+0512 12 35 13 51.9 231.5 1.9 41.8 78 1 1 463 12 40 03 12 45 02 =1036+054 12 40 13 51.0 232.9 2.0 42.8 299 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 12 40 18 51.0 233.0 2.0 42.8 0 1 1 472 12 45 02 12 50 06 =1036+054 12 45 18 50.2 234.4 2.1 43.8 299 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 12 45 22 50.2 234.4 2.1 43.8 0 1 1 482 12 50 06 12 55 09 =1036+054 12 50 22 49.3 235.8 2.2 44.8 299 F 1 492 12 50 06 12 56 39 J1128+5925 12 51 52 59.3 339.3 1.4 143.9 14 1 1 492 12 56 39 13 15 06 =1125+596 13 10 22 57.8 335.8 1.7 137.0 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 13 10 26 57.8 335.8 1.7 136.9 0 1 1 528 13 15 06 13 33 37 =1125+596 13 28 56 56.1 332.8 2.0 130.4 1107 F 1 563 13 15 06 Schedule for VLBA_KP (Code Kp ) 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 13 29 01 56.0 332.8 2.0 130.4 0 1 1 563 13 33 37 13 52 08 =1125+596 13 47 31 54.2 330.3 2.3 124.4 1107 F 1 599 13 33 37 13 54 19 J1038+0512 13 49 42 38.1 249.2 3.2 52.8 71 1 1 599 13 54 19 13 58 49 =1036+054 13 54 12 37.2 250.1 3.2 53.2 269 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 13 54 17 37.2 250.1 3.3 53.2 0 1 1 608 13 58 49 14 03 22 =1036+054 13 58 47 36.3 250.9 3.3 53.6 269 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 13 58 51 36.3 250.9 3.3 53.6 0 1 1 617 14 03 22 14 07 56 =1036+054 14 03 21 35.4 251.8 3.4 54.0 269 F 1 626 14 03 22 14 09 16 J0927+3902 14 04 41 34.5 298.1 4.6 74.3 43 1 1 626 14 09 16 14 13 15 =0923+392 14 08 41 33.8 298.4 4.7 73.9 239 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 14 08 45 33.7 298.4 4.7 73.9 0 1 1 633 14 13 15 14 17 19 =0923+392 14 12 45 33.0 298.6 4.8 73.4 239 F 1 641 14 13 15 Schedule for VLBA_KP (Code Kp ) 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 14 12 50 33.0 298.6 4.8 73.4 0 1 1 641 14 17 19 14 21 23 =0923+392 14 16 50 32.2 298.9 4.8 72.9 239 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: 7 Station: VLBA_KP 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: 7 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: 17 Station: VLBA_KP 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: 17 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: 27 Station: VLBA_KP 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: 27 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