COVER INFORMATION Station: SHANGHAI (Code Sh ) Experiment: EVN 4cm Phase Referencing of Flares in AE Aqr Exp. Code: el042 Schedule Version: 1.00 Processed by SCHED version: 10.00 Release Sept. 15, 2011 PI: Andrei Lobanov Address: Max-Planck-Institut fuer Radioastronomie Auf dem Huegel 69 53121 Bonn Germany Phone: +49 228 525 191 EMAIL: alobanov@mpifr-bonn.mpg.de Fax: +49 228 525 229 Phone during observation: Observing mode: Continuum Notes: Schedule for SHANGHAI (Code Sh ) Page 2 EVN 4cm Phase Referencing of Flares in AE Aqr UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 26 Feb 2012 Day 57 --- Next scan frequencies: 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 Next BBC frequencies: 732.51 732.51 732.51 732.51 700.51 700.51 700.51 700.51 668.51 668.51 668.51 668.51 636.51 636.51 636.51 636.51 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 04 30 00 3C345 22 56 34 17.0 -53.4 6.2 63.4 0 0 04 30 00 04 40 00 --- 23 06 35 15.3 -52.4 6.4 62.0 600 77 04 30 01 04 45 00 J2047-0236 23 11 36 42.0 232.1 2.4 42.6 11 77 04 45 00 04 46 00 =2044-027 23 12 36 41.9 232.4 2.4 42.8 60 85 04 45 01 04 46 40 AEAQR 23 13 17 41.8 235.9 2.5 45.1 33 85 04 46 40 04 49 30 --- 23 16 07 41.3 236.5 2.6 45.6 170 107 04 46 41 04 50 10 J2047-0236 23 16 47 41.1 233.4 2.5 43.5 33 107 04 50 10 04 51 00 =2044-027 23 17 37 41.0 233.6 2.5 43.6 50 114 04 50 11 04 51 40 AEAQR 23 18 17 40.9 237.0 2.6 45.9 33 114 04 51 40 04 54 30 --- 23 21 08 40.4 237.7 2.7 46.4 170 135 04 51 41 04 55 10 J2047-0236 23 21 48 40.3 234.6 2.6 44.3 33 135 04 55 10 04 56 00 =2044-027 23 22 38 40.1 234.8 2.6 44.4 50 142 04 55 11 04 56 40 AEAQR 23 23 18 40.0 238.2 2.7 46.7 33 142 04 56 40 04 59 30 --- 23 26 09 39.4 238.8 2.8 47.1 170 164 04 56 41 05 00 10 J2047-0236 23 26 49 39.4 235.7 2.7 45.1 33 164 05 00 10 05 01 00 =2044-027 23 27 39 39.2 235.9 2.7 45.2 50 170 05 00 11 05 01 40 AEAQR 23 28 19 39.0 239.3 2.8 47.4 33 170 05 01 40 05 04 30 --- 23 31 09 38.5 239.9 2.8 47.8 170 192 05 01 41 05 05 10 J2047-0236 23 31 50 38.5 236.9 2.7 45.9 33 192 05 05 10 05 06 00 =2044-027 23 32 40 38.3 237.1 2.7 46.0 50 199 05 05 11 05 06 40 AEAQR 23 33 20 38.1 240.3 2.9 48.1 33 199 05 06 40 05 09 30 --- 23 36 10 37.6 240.9 2.9 48.5 170 221 05 06 41 Schedule for SHANGHAI (Code Sh ) Page 3 EVN 4cm Phase Referencing of Flares in AE Aqr UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 26 Feb 2012 Day 57 --- 05 10 10 J2047-0236 23 36 50 37.6 238.0 2.8 46.6 33 221 05 10 10 05 11 00 =2044-027 23 37 41 37.4 238.2 2.8 46.7 50 227 05 10 11 05 11 40 AEAQR 23 38 21 37.2 241.4 3.0 48.8 33 227 05 11 40 05 14 30 --- 23 41 11 36.6 242.0 3.0 49.1 170 249 05 11 41 05 15 10 J2047-0236 23 41 51 36.7 239.0 2.9 47.3 33 249 05 15 10 05 16 00 =2044-027 23 42 41 36.5 239.2 2.9 47.4 50 255 05 15 11 05 16 40 AEAQR 23 43 21 36.2 242.4 3.0 49.4 33 255 05 16 40 05 19 30 --- 23 46 12 35.7 243.0 3.1 49.7 170 277 05 16 41 05 20 10 J2047-0236 23 46 52 35.8 240.1 3.0 48.0 33 277 05 20 10 05 21 00 =2044-027 23 47 42 35.6 240.3 3.0 48.1 50 284 05 20 11 05 21 40 AEAQR 23 48 22 35.3 243.4 3.1 50.0 33 284 05 21 40 05 24 30 --- 23 51 13 34.7 244.0 3.2 50.3 170 306 05 21 41 05 25 10 J2047-0236 23 51 53 34.8 241.1 3.1 48.6 33 306 05 25 10 05 26 00 =2044-027 23 52 43 34.7 241.3 3.1 48.7 50 312 05 25 11 05 26 40 AEAQR 23 53 23 34.3 244.4 3.2 50.6 33 312 05 26 40 05 29 30 --- 23 56 14 33.8 244.9 3.3 50.9 170 334 05 26 41 05 30 10 J2047-0236 23 56 54 33.9 242.1 3.2 49.3 33 334 05 30 10 05 31 00 =2044-027 23 57 44 33.7 242.3 3.2 49.4 50 341 05 30 11 05 31 40 AEAQR 23 58 24 33.3 245.3 3.3 51.1 33 341 05 31 40 05 34 30 --- 00 01 14 32.8 245.9 3.3 51.4 170 363 05 31 41 05 35 10 J2047-0236 00 01 55 32.9 243.1 3.2 49.8 33 363 05 35 10 05 36 00 =2044-027 00 02 45 32.8 243.2 3.2 49.9 50 369 05 35 11 05 36 40 AEAQR 00 03 25 32.4 246.3 3.4 51.6 33 369 05 36 40 05 39 30 --- 00 06 15 31.8 246.8 3.4 51.9 170 391 05 36 41 05 40 10 J2047-0236 00 06 55 32.0 244.0 3.3 50.4 33 391 05 40 10 05 41 00 =2044-027 00 07 45 31.8 244.2 3.3 50.5 50 397 05 40 11 05 41 40 AEAQR 00 08 26 31.4 247.2 3.5 52.1 33 397 05 41 40 05 44 30 --- 00 11 16 30.8 247.7 3.5 52.4 170 419 05 41 41 05 45 10 J2047-0236 00 11 56 31.0 245.0 3.4 51.0 33 419 05 45 10 05 46 00 =2044-027 00 12 46 30.8 245.1 3.4 51.0 50 426 05 45 11 Schedule for SHANGHAI (Code Sh ) Page 4 EVN 4cm Phase Referencing of Flares in AE Aqr UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 26 Feb 2012 Day 57 --- 05 46 40 AEAQR 00 13 26 30.4 248.1 3.5 52.6 33 426 05 46 40 05 49 30 --- 00 16 17 29.8 248.6 3.6 52.9 170 448 05 46 41 05 50 10 J2047-0236 00 16 57 30.0 245.9 3.5 51.5 33 448 05 50 10 05 51 00 =2044-027 00 17 47 29.8 246.0 3.5 51.6 50 454 05 50 11 05 51 40 AEAQR 00 18 27 29.4 249.0 3.6 53.1 33 454 05 51 40 05 54 30 --- 00 21 18 28.8 249.4 3.7 53.3 170 476 05 51 41 05 55 10 J2047-0236 00 21 58 29.0 246.8 3.6 52.0 33 476 05 55 10 05 56 00 =2044-027 00 22 48 28.9 246.9 3.6 52.0 50 483 05 55 11 05 56 40 AEAQR 00 23 28 28.4 249.8 3.7 53.5 33 483 05 56 40 05 59 30 --- 00 26 19 27.8 250.3 3.8 53.7 170 504 05 56 41 06 00 10 J2047-0236 00 26 59 28.0 247.6 3.7 52.4 33 504 06 00 10 06 01 00 =2044-027 00 27 49 27.9 247.8 3.7 52.5 50 511 06 00 11 06 01 40 AEAQR 00 28 29 27.4 250.7 3.8 53.9 33 511 06 01 40 06 04 30 --- 00 31 19 26.8 251.1 3.8 54.1 170 533 06 01 41 06 05 10 J2047-0236 00 31 59 27.0 248.5 3.7 52.9 33 533 06 05 10 06 06 00 =2044-027 00 32 50 26.9 248.6 3.8 53.0 50 539 06 05 11 06 06 40 AEAQR 00 33 30 26.4 251.5 3.9 54.3 33 539 06 06 40 06 09 30 --- 00 36 20 25.8 251.9 3.9 54.5 170 561 06 06 41 06 10 10 J2047-0236 00 37 00 26.0 249.3 3.8 53.3 33 561 06 10 10 06 11 00 =2044-027 00 37 50 25.9 249.5 3.8 53.4 50 568 06 10 11 06 11 40 AEAQR 00 38 31 25.3 252.3 4.0 54.7 33 568 06 11 40 06 14 30 --- 00 41 21 24.8 252.7 4.0 54.9 170 590 06 11 41 06 15 10 J2047-0236 00 42 01 25.0 250.2 3.9 53.7 33 590 06 15 10 06 16 00 =2044-027 00 42 51 24.9 250.3 3.9 53.8 50 596 06 15 11 06 16 40 AEAQR 00 43 31 24.3 253.1 4.0 55.0 33 596 06 16 40 06 19 30 --- 00 46 22 23.7 253.5 4.1 55.2 170 618 06 16 41 06 20 10 J2047-0236 00 47 02 24.0 251.0 4.0 54.1 33 618 06 20 10 06 21 00 =2044-027 00 47 52 23.9 251.1 4.0 54.2 50 624 06 20 11 06 21 40 AEAQR 00 48 32 23.3 253.9 4.1 55.3 33 624 06 21 40 06 24 30 --- 00 51 23 22.7 254.3 4.2 55.5 170 646 06 21 41 Schedule for SHANGHAI (Code Sh ) Page 5 EVN 4cm Phase Referencing of Flares in AE Aqr UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 26 Feb 2012 Day 57 --- 06 25 10 J2047-0236 00 52 03 23.0 251.8 4.1 54.5 33 646 06 25 10 06 26 00 =2044-027 00 52 53 22.8 251.9 4.1 54.6 50 653 06 25 11 06 26 40 AEAQR 00 53 33 22.3 254.6 4.2 55.7 33 653 06 26 40 06 29 30 --- 00 56 23 21.7 255.1 4.3 55.8 170 675 06 26 41 06 30 10 J2047-0236 00 57 04 22.0 252.6 4.2 54.9 33 675 06 30 10 06 31 00 =2044-027 00 57 54 21.8 252.7 4.2 54.9 50 681 06 30 11 06 31 40 AEAQR 00 58 34 21.2 255.4 4.3 56.0 33 681 06 31 40 06 34 30 --- 01 01 24 20.6 255.8 4.3 56.1 170 703 06 31 41 06 35 10 J2047-0236 01 02 04 21.0 253.3 4.2 55.2 33 703 06 35 10 06 36 00 =2044-027 01 02 55 20.8 253.5 4.3 55.2 50 710 06 35 11 06 36 40 AEAQR 01 03 35 20.2 256.1 4.4 56.2 33 710 06 36 40 06 39 30 --- 01 06 25 19.6 256.6 4.4 56.4 170 732 06 36 41 06 40 10 J2047-0236 01 07 05 19.9 254.1 4.3 55.5 33 732 06 40 10 06 41 00 =2044-027 01 07 55 19.8 254.2 4.3 55.6 50 738 06 40 11 06 41 40 AEAQR 01 08 35 19.1 256.9 4.5 56.5 33 738 06 41 40 06 44 30 --- 01 11 26 18.5 257.3 4.5 56.7 170 760 06 41 41 06 45 10 J2047-0236 01 12 06 18.9 254.8 4.4 55.8 33 760 06 45 10 06 46 00 =2044-027 01 12 56 18.7 255.0 4.4 55.9 50 766 06 45 11 06 46 40 AEAQR 01 13 36 18.1 257.6 4.5 56.8 33 766 06 46 40 06 49 30 --- 01 16 27 17.5 258.0 4.6 56.9 170 788 06 46 41 06 50 10 J2047-0236 01 17 07 17.9 255.6 4.5 56.1 33 788 06 50 10 06 51 00 =2044-027 01 17 57 17.7 255.7 4.5 56.2 50 795 06 50 11 06 51 40 AEAQR 01 18 37 17.0 258.3 4.6 57.0 33 795 06 51 40 06 54 30 --- 01 21 28 16.4 258.7 4.7 57.1 170 817 06 51 41 06 55 10 J2047-0236 01 22 08 16.8 256.3 4.6 56.4 33 817 06 55 10 06 56 00 =2044-027 01 22 58 16.6 256.4 4.6 56.4 50 823 06 55 11 06 56 40 AEAQR 01 23 38 16.0 259.0 4.7 57.2 33 823 06 56 40 06 59 30 --- 01 26 28 15.4 259.4 4.8 57.3 170 845 06 56 41 07 00 10 J2047-0236 01 27 08 15.8 257.0 4.7 56.6 34 845 07 00 10 07 01 00 =2044-027 01 27 59 15.6 257.1 4.7 56.7 50 852 07 00 11 Schedule for SHANGHAI (Code Sh ) Page 6 EVN 4cm Phase Referencing of Flares in AE Aqr UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 26 Feb 2012 Day 57 --- 07 01 40 AEAQR 01 28 39 14.9 259.7 4.8 57.4 33 852 07 01 40 07 04 30 --- 01 31 29 14.3 260.1 4.8 57.5 170 873 07 01 41 07 05 10 J2047-0236 01 32 09 14.7 257.7 4.7 56.9 34 873 07 05 10 07 06 00 =2044-027 01 32 59 14.5 257.8 4.8 56.9 50 880 07 05 11 07 06 40 AEAQR 01 33 40 13.9 260.4 4.9 57.6 34 880 07 06 40 07 09 30 --- 01 36 30 13.3 260.8 4.9 57.7 170 902 07 06 41 07 10 10 J2047-0236 01 37 10 13.7 258.4 4.8 57.1 34 902 07 10 10 07 11 00 =2044-027 01 38 00 13.5 258.6 4.8 57.1 50 908 07 10 11 07 11 40 AEAQR 01 38 40 12.8 261.1 5.0 57.8 34 908 07 11 40 07 14 30 --- 01 41 31 12.2 261.5 5.0 57.9 170 930 07 11 41 07 15 10 J2047-0236 01 42 11 12.6 259.1 4.9 57.3 34 930 07 15 10 07 16 00 =2044-027 01 43 01 12.4 259.2 4.9 57.4 50 937 07 15 11 07 16 40 AEAQR 01 43 41 11.7 261.8 5.0 58.0 34 937 07 16 40 07 19 30 --- 01 46 32 11.1 262.2 5.1 58.0 170 959 07 16 41 07 20 10 J2047-0236 01 47 12 11.6 259.8 5.0 57.5 34 959 07 20 10 07 21 00 =2044-027 01 48 02 11.4 259.9 5.0 57.6 50 965 07 20 11 07 21 40 AEAQR 01 48 42 10.7 262.5 5.1 58.1 34 965 07 21 40 07 24 30 --- 01 51 32 10.1 262.9 5.2 58.2 170 987 07 21 41 07 25 10 J2047-0236 01 52 13 10.5 260.5 5.1 57.7 34 987 07 25 10 07 26 00 =2044-027 01 53 03 10.3 260.6 5.1 57.7 50 993 07 25 11 07 26 40 AEAQR 01 53 43 9.6 263.1 5.2 58.2 34 993 07 26 40 07 29 30 --- 01 56 33 9.0 263.5 5.3 58.3 170 1015 07 26 41 07 30 10 J2047-0236 01 57 13 9.4 261.2 5.2 57.9 34 1015 07 30 10 07 31 00 =2044-027 01 58 04 9.3 261.3 5.2 57.9 50 1022 07 30 11 07 31 40 AEAQR 01 58 44 8.6 263.8 5.3 58.4 34 1022 07 31 40 07 34 30 --- 02 01 34 7.9 264.2 5.3 58.4 170 1044 07 31 41 07 35 10 J2047-0236 02 02 14 8.4 261.9 5.2 58.0 34 1044 07 35 10 07 36 00 =2044-027 02 03 04 8.2 262.0 5.3 58.1 50 1050 07 35 11 07 36 40 AEAQR 02 03 44 7.5 264.5 5.4 58.5 34 1050 07 36 40 07 39 30 --- 02 06 35 6.9 264.8 5.4 58.5 170 1072 07 36 41 Schedule for SHANGHAI (Code Sh ) Page 7 EVN 4cm Phase Referencing of Flares in AE Aqr UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 26 Feb 2012 Day 57 --- 07 40 10 J2047-0236 02 07 15 7.3 262.5 5.3 58.2 34 1072 07 40 10 07 41 00 =2044-027 02 08 05 7.1 262.6 5.3 58.2 50 1079 07 40 11 07 41 40 AEAQR 02 08 45 6.4 265.1 5.5 58.6 34 1079 07 41 40 07 44 30 --- 02 11 36 5.8 265.5 5.5 58.6 170 1101 07 41 41 07 45 10 J2047-0236 02 12 16 6.3 263.2 5.4 58.3 34 1101 07 45 10 07 46 00 =2044-027 02 13 06 6.1 263.3 5.4 58.3 50 1107 07 45 11 07 48 30 3C454.3 02 15 36 42.1 264.0 3.4 62.5 85 1107 07 48 30 07 56 00 --- 02 23 08 40.5 265.1 3.5 62.7 450 1165 07 48 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: sess112.X1024 Matching groups in /afs/desy.de/user/a/alobanov/soft/sched/catalogs/freq.dat: shxd From An Tao 18May2006. Dummy dual pol - only RCP available Setup group: 6 Station: SHANGHAI Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 9100.00 Net SB= L L U U L L U U L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= U U L L U U L L U U L L U U L L IF = A C A C A C A C A C A C A C A C The following frequency sets based on these setups were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 LO sum= 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 BBC fr= 732.51 732.51 732.51 732.51 700.51 700.51 700.51 700.51 668.51 668.51 668.51 668.51 636.51 636.51 636.51 636.51 Bandwd= 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 Matching frequency sets: 10 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 490 510 490 510 490 510 490 510 PCALFR2= 490 510 490 510 490 510 490 510 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 barrel=roll_off SOURCES USED IN RECORDING SCANS -- EVN 4cm Phase Referencing of Flares in AE Aqr 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) * AEAQR 20 37 34.515758 * 20 40 09.162065 20 40 46.598645 0.00 -01 02 55.43828 *-00 52 15.06180 -00 49 39.10848 0.00 From catalog imbedded in main SCHED input file. 5.383 scan and 185.158 baseline hours in setup: sess112.X1024 Frequency sets (dups not shown): 1 2 3 4 5 6 9 10 11 J1642+3948 16 41 17.606228 * 16 42 58.809965 16 43 23.861616 0.81 * 3C345 39 54 10.81494 * 39 48 36.99400 39 46 59.06245 0.54 1641+399 /afs/desy.de/user/a/alobanov/soft/sched/catalogs/sources.vlba J1642+39 GSFC 2010a astro solution 52595 Observations 0.167 scan and 9.167 baseline hours in setup: sess112.X1024 Frequency sets (dups not shown): 1 2 3 4 5 6 9 10 11 * J2047-0236 20 44 34.222129 * 20 47 10.366546 20 47 48.154466 1.14 2044-027 -02 47 25.79570 *-02 36 22.14678 -02 33 40.23362 2.38 J2047-02 /afs/desy.de/user/a/alobanov/soft/sched/catalogs/sources.vlba GSFC 2010a astro solution 12 Observations 1.625 scan and 56.044 baseline hours in setup: sess112.X1024 Frequency sets (dups not shown): 1 2 3 4 5 6 9 10 11 J2253+1608 22 51 29.519738 * 22 53 57.747937 22 54 33.528301 0.76 * 3C454.3 15 52 54.34811 * 16 08 53.56094 16 12 48.13580 0.74 2251+158 /afs/desy.de/user/a/alobanov/soft/sched/catalogs/sources.vlba J2253+16 GSFC 2010a astro solution 39550 Observations 0.125 scan and 6.875 baseline hours in setup: sess112.X1024 Frequency sets (dups not shown): 1 2 3 4 5 6 9 10 11 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) AEAQR 29.7 3C345 94.2 J2047-0236 27.5 3C454.3 25.5 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