COVER INFORMATION Station: VLBA_MK (Code Mk ) 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_MK (Code Mk ) 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 05 20 39 34.0 55.7 -4.1 -91.2 0 1 1 0 17 04 30 17 08 29 =0923+392 05 24 39 34.8 55.6 -4.0 -91.8 239 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 05 24 44 34.8 55.6 -4.0 -91.9 0 1 1 8 17 08 29 17 12 33 =0923+392 05 28 44 35.6 55.6 -4.0 -92.5 239 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 05 28 49 35.6 55.6 -4.0 -92.5 0 1 1 16 17 12 33 17 16 37 =0923+392 05 32 49 36.4 55.6 -3.9 -93.2 239 F 1 23 17 12 33 17 19 48 J1038+0512 05 36 00 15.1 89.9 -5.1 -70.9 142 1 1 23 17 19 48 17 24 47 =1036+054 05 41 00 16.3 90.3 -5.0 -70.9 299 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 05 41 05 16.3 90.3 -5.0 -70.9 0 1 1 33 17 24 47 17 29 51 =1036+054 05 46 05 17.5 90.7 -4.9 -70.8 299 F 1 43 17 24 47 Source only 3.4 degrees from the Sun. Schedule for VLBA_MK (Code Mk ) 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 05 46 09 17.5 90.7 -4.9 -70.8 0 1 1 43 17 29 51 17 34 55 =1036+054 05 51 09 18.7 91.2 -4.8 -70.8 299 F 1 53 17 29 51 Source only 3.4 degrees from the Sun. 17 36 49 J1128+5925 05 53 04 20.0 32.6 -5.6 -84.7 69 1 1 53 17 36 49 17 56 16 =1125+596 06 12 34 22.5 32.8 -5.3 -88.9 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 06 12 39 22.5 32.8 -5.3 -88.9 0 1 1 90 17 56 16 18 15 47 =1125+596 06 32 09 25.0 32.7 -4.9 -93.1 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 06 32 13 25.0 32.7 -4.9 -93.1 0 1 1 128 18 15 47 18 35 18 =1125+596 06 51 43 27.5 32.5 -4.6 -97.4 1167 F 1 166 18 15 47 18 37 27 J1038+0512 06 53 52 33.4 97.0 -3.8 -69.7 79 1 1 166 18 37 27 18 42 26 =1036+054 06 58 52 34.5 97.6 -3.7 -69.5 299 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 06 58 56 34.6 97.6 -3.7 -69.5 0 1 1 176 18 42 26 18 47 30 =1036+054 07 03 56 35.7 98.1 -3.6 -69.3 299 F 1 185 18 42 26 Source only 3.4 degrees from the Sun. Schedule for VLBA_MK (Code Mk ) 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 07 04 01 35.7 98.1 -3.6 -69.3 0 1 1 185 18 47 30 18 52 33 =1036+054 07 09 01 36.9 98.7 -3.5 -69.1 299 F 1 195 18 47 30 Source only 3.4 degrees from the Sun. 18 54 29 J1128+5925 07 10 57 29.9 32.0 -4.3 -101.8 65 1 1 195 18 54 29 19 12 56 =1125+596 07 29 27 32.2 31.3 -4.0 -106.1 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 07 29 31 32.2 31.3 -4.0 -106.1 0 1 1 231 19 12 56 19 31 27 =1125+596 07 48 01 34.4 30.4 -3.7 -110.6 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 07 48 05 34.4 30.4 -3.7 -110.6 0 1 1 267 19 31 27 19 49 59 =1125+596 08 06 35 36.6 29.3 -3.4 -115.2 1107 F 1 303 19 31 27 19 52 22 J0927+3902 08 08 59 64.4 37.2 -1.3 -133.0 82 1 1 303 19 52 22 19 56 21 =0923+392 08 12 59 65.0 35.9 -1.2 -134.7 239 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 08 13 04 65.0 35.9 -1.2 -134.8 0 1 1 310 19 56 21 20 00 25 =0923+392 08 17 04 65.5 34.6 -1.2 -136.6 239 F 1 318 19 56 21 Schedule for VLBA_MK (Code Mk ) 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 08 17 08 65.5 34.5 -1.2 -136.6 0 1 1 318 20 00 25 20 04 29 =0923+392 08 21 08 66.0 33.1 -1.1 -138.6 239 F 1 326 20 00 25 20 07 42 J1038+0512 08 24 22 54.1 109.5 -2.2 -62.9 137 1 1 326 20 07 42 20 12 42 =1036+054 08 29 22 55.2 110.5 -2.2 -62.2 299 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 08 29 27 55.2 110.5 -2.2 -62.2 0 1 1 336 20 12 42 20 17 45 =1036+054 08 34 27 56.3 111.6 -2.1 -61.5 299 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 08 34 31 56.3 111.6 -2.1 -61.5 0 1 1 345 20 17 45 20 22 49 =1036+054 08 39 31 57.4 112.7 -2.0 -60.6 299 F 1 355 20 17 45 Source only 3.4 degrees from the Sun. 20 24 51 J1128+5925 08 41 33 40.5 26.5 -2.8 -124.5 58 1 1 355 20 24 51 20 43 18 =1125+596 09 00 03 42.3 24.6 -2.5 -129.8 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 09 00 08 42.3 24.6 -2.5 -129.8 0 1 1 391 20 43 18 21 01 49 =1125+596 09 18 38 44.1 22.4 -2.2 -135.3 1107 F 1 427 20 43 18 Schedule for VLBA_MK (Code Mk ) 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 09 18 42 44.1 22.4 -2.2 -135.3 0 1 1 427 21 01 49 21 20 20 =1125+596 09 37 12 45.7 19.9 -1.9 -141.0 1107 F 1 463 21 01 49 21 22 59 J1038+0512 09 39 51 69.5 133.4 -1.0 -43.3 77 1 1 463 21 22 59 21 27 58 =1036+054 09 44 51 70.3 136.1 -0.9 -40.9 299 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 09 44 56 70.3 136.2 -0.9 -40.9 0 1 1 472 21 27 58 21 33 02 =1036+054 09 49 56 71.1 139.1 -0.8 -38.2 299 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 09 50 00 71.1 139.1 -0.8 -38.2 0 1 1 482 21 33 02 21 38 06 =1036+054 09 55 00 71.8 142.3 -0.7 -35.3 299 F 1 492 21 33 02 Source only 3.4 degrees from the Sun. 21 39 35 J1128+5925 09 56 30 47.1 17.0 -1.5 -147.3 0 1 1 492 21 39 35 21 58 02 =1125+596 10 15 00 48.3 14.0 -1.2 -153.5 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 10 15 04 48.3 14.0 -1.2 -153.5 0 1 1 528 21 58 02 22 16 33 =1125+596 10 33 34 49.2 10.7 -0.9 -160.0 1107 F 1 563 21 58 02 Schedule for VLBA_MK (Code Mk ) 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 10 33 39 49.2 10.7 -0.9 -160.0 0 1 1 563 22 16 33 22 35 05 =1125+596 10 52 09 49.9 7.2 -0.6 -166.6 1107 F 1 599 22 16 33 22 37 16 J1038+0512 10 54 20 74.9 194.7 0.3 13.8 0 1 1 599 22 37 16 22 41 45 =1036+054 10 58 50 74.6 198.8 0.3 17.7 269 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 10 58 55 74.6 198.8 0.3 17.8 0 1 1 608 22 41 45 22 46 19 =1036+054 11 03 25 74.2 202.8 0.4 21.4 269 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 11 03 29 74.2 202.8 0.4 21.5 0 1 1 617 22 46 19 22 50 53 =1036+054 11 07 59 73.8 206.6 0.5 25.0 269 F 1 626 22 46 19 Source only 3.4 degrees from the Sun. 22 52 12 J0927+3902 11 09 19 60.9 316.7 1.7 123.9 0 1 1 626 22 52 12 22 56 11 =0923+392 11 13 19 60.2 315.8 1.8 122.5 239 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 11 13 23 60.2 315.8 1.8 122.5 0 1 1 633 22 56 11 23 00 15 =0923+392 11 17 23 59.5 315.0 1.8 121.1 239 F 1 641 22 56 11 Schedule for VLBA_MK (Code Mk ) 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 11 17 28 59.5 315.0 1.8 121.1 0 1 1 641 23 00 15 23 04 19 =0923+392 11 21 28 58.9 314.2 1.9 119.8 239 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: 10 Station: VLBA_MK 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: 10 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: 20 Station: VLBA_MK 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: 20 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: 30 Station: VLBA_MK 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: 30 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