COVER INFORMATION Station: ONSALA60 (Code On ) Experiment: Jet structure during a large radio outburst in M81* - Is it a mini blaza Exp. Code: RM009B Schedule Version: 1.00 Processed by SCHED version: 10.20 Release of about July 12, 2012 PI: I. McHardy Address: School of Physics and Astronomy University of Southampton, University Road Southampton, SO17 1BJ United Kingdom Phone: +44-023-80592101 EMAIL: eduardo.ros@uv.es Fax: +34 96 3543084 Phone during observation: +34 679 517 813 Observing mode: EVN Continuum, 1.3cm, 1024 Mbps Notes: Contact name for PI - observing contact: Eduardo Ros Univ. Valencia (obsphone, email & fax) Ef pointing check in scan33 Schedule for ONSALA60 (Code On ) Page 2 Jet structure during a large radio outburst in M81* - Is it a mini blaza 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 ---------------------------------------------------------------------------------------- --- Thu 8 Nov 2012 Day 313 --- Next scan frequencies: 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 Next BBC frequencies: 287.49 287.49 287.49 287.49 319.49 319.49 319.49 319.49 351.49 351.49 351.49 351.49 383.49 383.49 383.49 383.49 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 15 00 00 3C84 19 00 30 19.1 400.4 -8.3 -27.8 0 0 15 00 00 15 04 30 --- 19 05 01 19.5 401.2 -8.3 -28.3 270 35 15 00 04 15 04 45 3C84 19 05 16 19.5 401.2 -8.3 -28.3 10 35 15 04 45 15 05 00 --- 19 05 31 19.5 401.3 -8.3 -28.4 15 37 15 04 49 15 17 52 0954+658 19 18 25 36.6 340.5 9.3 25.7 737 37 15 17 52 15 18 52 --- 19 19 40 36.5 340.6 9.3 25.5 60 45 15 17 56 15 19 22 M81 19 19 55 39.5 342.9 9.4 26.2 19 45 15 19 22 15 20 22 --- 19 20 56 39.5 343.0 9.4 26.0 60 52 15 19 26 15 20 52 0954+658 19 21 26 36.5 340.8 9.4 25.3 19 52 15 20 52 15 21 52 --- 19 22 26 36.4 340.9 9.4 25.1 60 60 15 20 56 15 22 22 M81 19 22 56 39.4 343.2 9.4 25.7 19 60 15 22 22 15 23 22 --- 19 23 56 39.4 343.3 9.5 25.5 60 68 15 22 26 15 23 52 0954+658 19 24 26 36.3 341.2 9.4 24.8 19 68 15 23 52 15 24 52 --- 19 25 26 36.3 341.3 9.4 24.6 60 75 15 23 56 15 25 22 M81 19 25 56 39.3 343.6 9.5 25.2 19 75 15 25 22 15 26 22 --- 19 26 57 39.3 343.7 9.5 25.0 60 83 15 25 26 15 26 52 0954+658 19 27 27 36.2 341.5 9.5 24.3 19 83 15 26 52 15 27 52 --- 19 28 27 36.2 341.6 9.5 24.2 60 91 15 26 56 15 28 40 M81 19 29 15 39.2 343.9 9.5 24.6 37 91 15 28 40 15 38 25 --- 19 39 16 38.8 345.0 9.7 23.0 585 166 15 28 44 15 38 40 M81 19 39 16 38.8 345.0 9.7 23.0 9 166 15 38 40 15 48 25 --- 19 49 03 38.5 346.0 9.9 21.3 585 242 15 38 44 15 48 40 M81 19 49 18 38.5 346.0 9.9 21.3 10 242 15 48 40 15 58 25 --- 19 59 05 38.2 347.1 10.0 19.7 585 317 15 48 44 15 58 40 M81 19 59 20 38.2 347.1 10.0 19.6 10 317 15 58 40 16 08 25 --- 20 09 06 37.9 348.2 10.2 18.0 585 393 15 58 44 Schedule for ONSALA60 (Code On ) Page 3 Jet structure during a large radio outburst in M81* - Is it a mini blaza 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 ---------------------------------------------------------------------------------------- --- Thu 8 Nov 2012 Day 313 --- 16 08 40 M81 20 09 21 37.9 348.2 10.2 17.9 10 393 16 08 40 16 18 25 --- 20 19 08 37.6 349.2 10.4 16.3 585 468 16 08 44 16 18 40 M81 20 19 23 37.6 349.3 10.4 16.3 10 468 16 18 40 16 28 25 --- 20 29 10 37.4 350.3 10.5 14.6 585 544 16 18 44 16 32 04 3C84 20 32 49 28.4 416.3 -6.8 -36.8 182 544 16 32 04 16 36 34 --- 20 37 35 28.9 417.1 -6.7 -37.2 270 579 16 32 08 16 36 49 3C84 20 37 35 28.9 417.1 -6.7 -37.2 9 579 16 36 49 16 37 04 --- 20 37 50 28.9 417.2 -6.7 -37.2 15 581 16 36 53 16 40 48 0954+658 20 41 34 33.8 350.4 10.7 12.5 186 581 16 40 48 16 41 48 --- 20 42 49 33.7 350.5 10.7 12.3 60 588 16 40 52 16 42 18 M81 20 43 04 37.1 351.9 10.8 12.3 19 588 16 42 18 16 43 18 --- 20 44 05 37.1 352.0 10.8 12.1 60 596 16 42 22 16 43 48 0954+658 20 44 35 33.7 350.8 10.7 12.0 19 596 16 43 48 16 44 48 --- 20 45 35 33.7 350.9 10.8 11.9 60 604 16 43 52 16 45 18 M81 20 46 05 37.0 352.2 10.8 11.8 19 604 16 45 18 16 46 18 --- 20 47 05 37.0 352.3 10.8 11.6 60 612 16 45 22 16 46 48 0954+658 20 47 35 33.6 351.1 10.8 11.6 19 612 16 46 48 16 47 48 --- 20 48 35 33.6 351.2 10.8 11.4 60 619 16 46 52 16 48 18 M81 20 49 05 37.0 352.5 10.9 11.3 19 619 16 48 18 16 49 18 --- 20 50 06 37.0 352.6 10.9 11.1 60 627 16 48 22 16 49 48 0954+658 20 50 36 33.6 351.5 10.8 11.1 19 627 16 49 48 16 50 48 --- 20 51 36 33.6 351.6 10.9 10.9 60 635 16 49 52 16 51 37 M81 20 52 26 36.9 352.9 10.9 10.7 39 635 16 51 37 17 01 22 --- 21 02 27 36.8 354.0 11.1 9.1 585 710 16 51 41 17 01 37 M81 21 02 27 36.8 354.0 11.1 9.1 9 710 17 01 37 17 11 22 --- 21 12 14 36.7 355.1 11.3 7.4 585 786 17 01 41 17 11 37 M81 21 12 29 36.6 355.1 11.3 7.4 10 786 17 11 37 17 21 22 --- 21 22 15 36.5 356.2 11.4 5.7 585 861 17 11 41 17 21 37 M81 21 22 30 36.5 356.2 11.4 5.7 10 861 17 21 37 17 31 22 --- 21 32 17 36.5 357.3 11.6 4.1 585 937 17 21 41 Schedule for ONSALA60 (Code On ) Page 4 Jet structure during a large radio outburst in M81* - Is it a mini blaza 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 ---------------------------------------------------------------------------------------- --- Thu 8 Nov 2012 Day 313 --- 17 31 37 M81 21 32 32 36.5 357.3 11.6 4.0 10 937 17 31 37 17 41 22 --- 21 42 19 36.4 358.4 11.8 2.4 585 1012 17 31 41 17 41 37 M81 21 42 34 36.4 358.4 11.8 2.3 10 1012 17 41 37 17 51 22 --- 21 52 20 36.4 359.5 11.9 0.7 585 1088 17 41 41 17 53 53 3C147 21 54 51 29.0 401.0 -7.8 -33.2 122 1088 17 53 53 17 58 23 --- 21 59 37 29.4 401.7 -7.7 -33.8 270 1123 17 53 57 17 58 38 3C147 21 59 37 29.4 401.7 -7.7 -33.8 9 1123 17 58 38 17 58 53 --- 21 59 52 29.5 401.8 -7.7 -33.8 15 1124 17 58 42 18 00 54 3C84 22 01 53 39.1 431.6 -5.3 -43.1 96 1124 18 00 54 18 05 24 --- 22 06 39 39.7 432.4 -5.2 -43.4 270 1159 18 00 58 18 05 39 3C84 22 06 39 39.7 432.4 -5.2 -43.4 9 1159 18 05 39 18 05 54 --- 22 06 54 39.8 432.5 -5.2 -43.4 15 1161 18 05 43 18 09 49 0954+658 22 10 50 32.9 361.4-11.8 -1.8 196 1161 18 09 49 18 10 49 --- 22 12 05 32.9 361.5-11.8 -2.0 60 1169 18 09 53 18 11 19 M81 22 12 20 36.4 361.8-11.7 -2.6 19 1169 18 11 19 18 12 19 --- 22 13 20 36.4 361.9-11.7 -2.8 60 1177 18 11 23 18 12 49 0954+658 22 13 50 32.9 361.7-11.8 -2.3 19 1177 18 12 49 18 13 49 --- 22 14 51 32.9 361.9-11.7 -2.4 60 1184 18 12 53 18 14 19 M81 22 15 21 36.4 362.1-11.7 -3.1 19 1184 18 14 19 18 15 19 --- 22 16 21 36.4 362.2-11.7 -3.3 60 1192 18 14 23 18 15 49 0954+658 22 16 51 32.9 362.1-11.7 -2.7 19 1192 18 15 49 18 16 49 --- 22 17 51 32.9 362.2-11.7 -2.9 60 1200 18 15 53 18 17 19 M81 22 18 21 36.5 362.4-11.6 -3.6 19 1200 18 17 19 18 18 19 --- 22 19 21 36.5 362.5-11.6 -3.8 60 1208 18 17 23 18 18 49 0954+658 22 19 51 33.0 362.5-11.7 -3.2 19 1208 18 18 49 18 19 49 --- 22 20 52 33.0 362.6-11.6 -3.4 60 1215 18 18 53 18 20 39 M81 22 21 42 36.5 362.8-11.6 -4.2 39 1215 18 20 39 18 30 24 --- 22 31 44 36.6 363.9-11.4 -5.9 585 1291 18 20 43 18 30 39 M81 22 31 44 36.6 363.9-11.4 -5.9 9 1291 18 30 39 18 40 24 --- 22 41 30 36.7 365.0-11.3 -7.5 585 1366 18 30 43 Schedule for ONSALA60 (Code On ) Page 5 Jet structure during a large radio outburst in M81* - Is it a mini blaza 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 ---------------------------------------------------------------------------------------- --- Thu 8 Nov 2012 Day 313 --- 18 40 39 M81 22 41 45 36.7 365.0-11.2 -7.6 10 1366 18 40 39 18 50 24 --- 22 51 32 36.8 366.1-11.1 -9.2 585 1442 18 40 43 18 50 39 M81 22 51 47 36.8 366.1-11.1 -9.2 10 1442 18 50 39 19 00 24 --- 23 01 34 36.9 367.2-10.9 -10.9 585 1517 18 50 43 19 00 39 M81 23 01 49 36.9 367.2-10.9 -10.9 10 1517 19 00 39 19 10 24 --- 23 11 35 37.1 368.3-10.8 -12.5 585 1593 19 00 43 19 10 39 M81 23 11 50 37.1 368.3-10.7 -12.6 10 1593 19 10 39 19 20 24 --- 23 21 37 37.3 369.4-10.6 -14.2 585 1668 19 10 43 19 24 41 3C84 23 25 55 50.2 447.3 -3.9 -46.0 216 1668 19 24 41 19 29 11 --- 23 30 40 50.8 448.3 -3.8 -46.0 270 1703 19 24 45 19 29 26 3C84 23 30 40 50.8 448.3 -3.8 -46.0 9 1703 19 29 26 19 29 41 --- 23 30 56 50.9 448.3 -3.8 -46.0 15 1705 19 29 30 19 33 47 0954+658 23 35 01 34.2 371.7-10.4 -15.3 205 1705 19 33 47 19 34 47 --- 23 36 17 34.2 371.8-10.4 -15.5 60 1713 19 33 51 19 35 17 M81 23 36 32 37.7 371.0-10.3 -16.7 19 1713 19 35 17 19 36 17 --- 23 37 32 37.7 371.1-10.3 -16.9 60 1721 19 35 21 19 36 47 0954+658 23 38 02 34.3 372.0-10.4 -15.7 19 1721 19 36 47 19 37 47 --- 23 39 02 34.3 372.2-10.3 -15.9 60 1728 19 36 51 19 38 17 M81 23 39 32 37.8 371.4-10.3 -17.2 19 1728 19 38 17 19 39 17 --- 23 40 32 37.8 371.5-10.3 -17.4 60 1736 19 38 21 19 39 47 0954+658 23 41 02 34.4 372.4-10.3 -16.2 19 1736 19 39 47 19 40 47 --- 23 42 03 34.4 372.5-10.3 -16.4 60 1744 19 39 51 19 41 17 M81 23 42 33 37.8 371.7-10.2 -17.7 19 1744 19 41 17 19 42 17 --- 23 43 33 37.9 371.8-10.2 -17.9 60 1752 19 41 21 19 42 47 0954+658 23 44 03 34.5 372.8-10.3 -16.7 19 1752 19 42 47 19 43 47 --- 23 45 03 34.5 372.9-10.2 -16.9 60 1759 19 42 51 19 44 37 M81 23 45 54 37.9 372.0-10.2 -18.3 39 1759 19 44 37 19 54 22 --- 23 55 55 38.2 373.1-10.0 -20.0 585 1835 19 44 41 19 54 37 M81 23 55 55 38.2 373.1-10.0 -20.0 9 1835 19 54 37 20 04 22 --- 00 05 42 38.5 374.2 -9.8 -21.6 585 1910 19 54 41 Schedule for ONSALA60 (Code On ) Page 6 Jet structure during a large radio outburst in M81* - Is it a mini blaza 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 ---------------------------------------------------------------------------------------- --- Thu 8 Nov 2012 Day 313 --- 20 04 37 M81 00 05 57 38.6 374.2 -9.8 -21.6 10 1910 20 04 37 20 14 22 --- 00 15 43 38.9 375.2 -9.7 -23.3 585 1986 20 04 41 20 14 37 M81 00 15 59 38.9 375.3 -9.7 -23.3 10 1986 20 14 37 20 24 22 --- 00 25 45 39.3 376.3 -9.5 -24.9 585 2061 20 14 41 20 24 37 M81 00 26 00 39.3 376.3 -9.5 -25.0 10 2061 20 24 37 20 34 22 --- 00 35 47 39.6 377.3 -9.3 -26.6 585 2137 20 24 41 20 34 37 M81 00 36 02 39.7 377.4 -9.3 -26.7 10 2137 20 34 37 20 44 22 --- 00 45 48 40.1 378.4 -9.2 -28.3 585 2212 20 34 41 20 48 47 3C84 00 50 14 61.4 467.3 -2.5 -43.4 220 2212 20 48 47 20 53 17 --- 00 55 00 62.0 468.6 -2.4 -43.0 270 2247 20 48 51 20 53 32 3C84 00 55 00 62.0 468.6 -2.4 -43.0 9 2247 20 53 32 20 53 47 --- 00 55 15 62.1 468.7 -2.4 -43.0 15 2249 20 53 36 20 58 07 0954+658 00 59 35 37.5 381.7 -9.0 -28.7 216 2249 20 58 07 20 59 07 --- 01 00 51 37.5 381.8 -9.0 -28.9 60 2257 20 58 11 20 59 37 M81 01 01 06 40.7 379.9 -8.9 -30.8 19 2257 20 59 37 21 00 37 --- 01 02 06 40.8 380.0 -8.9 -31.0 60 2264 20 59 41 21 01 07 0954+658 01 02 36 37.6 382.0 -9.0 -29.1 19 2264 21 01 07 21 02 07 --- 01 03 36 37.7 382.1 -8.9 -29.3 60 2272 21 01 11 21 02 37 M81 01 04 06 40.9 380.2 -8.9 -31.3 19 2272 21 02 37 21 03 37 --- 01 05 06 40.9 380.3 -8.9 -31.5 60 2280 21 02 41 21 04 07 0954+658 01 05 36 37.8 382.4 -8.9 -29.6 19 2280 21 04 07 21 05 07 --- 01 06 36 37.8 382.5 -8.9 -29.8 60 2288 21 04 11 21 05 37 M81 01 07 07 41.0 380.5 -8.8 -31.8 19 2288 21 05 37 21 06 37 --- 01 08 07 41.1 380.6 -8.8 -32.0 60 2295 21 05 41 21 07 07 0954+658 01 08 37 37.9 382.7 -8.9 -30.1 19 2295 21 07 07 21 08 07 --- 01 09 37 38.0 382.8 -8.8 -30.2 60 2303 21 07 11 21 08 56 M81 01 10 26 41.2 380.9 -8.8 -32.4 39 2303 21 08 56 21 18 41 --- 01 20 28 41.7 381.9 -8.6 -34.1 585 2379 21 09 00 21 18 56 M81 01 20 28 41.7 381.9 -8.6 -34.1 9 2379 21 18 56 21 28 41 --- 01 30 15 42.2 382.8 -8.4 -35.7 585 2454 21 19 00 Schedule for ONSALA60 (Code On ) Page 7 Jet structure during a large radio outburst in M81* - Is it a mini blaza 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 ---------------------------------------------------------------------------------------- --- Thu 8 Nov 2012 Day 313 --- 21 28 56 M81 01 30 30 42.2 382.9 -8.4 -35.8 10 2454 21 28 56 21 38 41 --- 01 40 16 42.7 383.8 -8.3 -37.4 585 2530 21 29 00 21 41 36 3C147 01 43 12 54.8 435.8 -4.0 -54.1 143 2530 21 41 36 21 46 36 --- 01 48 27 55.5 436.7 -3.9 -54.4 300 2568 21 41 40 21 49 04 3C84 01 50 41 68.6 488.1 -1.5 -34.5 117 2568 21 49 04 21 54 04 --- 01 55 57 69.2 490.4 -1.4 -33.2 300 2607 21 49 08 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess312.K1024 Matching groups in /homes/vlbsoft/sched10.2/catalogs/freq.dat: ons1cm Conway in my office 28Jan97, must be High patch Setup group: 4 Station: ONSALA60 Total bit rate: 1024 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 0.50 Disk used to record data. 1st LO= 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 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 = 2 1 2 1 4 3 4 3 6 5 6 5 8 7 8 7 BBC SB= L L U U L L U U L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 4 Setup file default. LO sum= 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 BBC fr= 287.49 287.49 287.49 287.49 319.49 319.49 319.49 319.49 351.49 351.49 351.49 351.49 383.49 383.49 383.49 383.49 Bandwd= 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 Matching frequency sets: 4 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off SOURCES USED IN RECORDING SCANS -- Jet structure during a large radio outburst in M81* - Is it a mini blaza 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) J0319+4130 03 16 29.567260 * 03 19 48.160090 03 20 42.355615 1.30 0316+413 41 19 51.91699 * 41 30 42.10412 41 33 31.09588 2.72 * 3C84 /homes/vlbsoft/sched10.2/catalogs/sources.vlba J0319+41 GSFC 2011A astro solution 9957 Observations 0.479 scan and 18.200 baseline hours in setup: sess312.K1024 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 10 J0542+4951 05 38 43.517523 * 05 42 36.137900 05 43 38.880717 0.16 0538+498 49 49 42.83711 * 49 51 07.23374 49 51 16.21729 0.11 * 3C147 /homes/vlbsoft/sched10.2/catalogs/sources.vlba J0542+49 rfc_2012b Petrov, 2012, unpublished 1742 observations 0.286 scan and 6.600 baseline hours in setup: sess312.K1024 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 10 J0955+6903 09 51 27.310820 * 09 55 33.173064 09 56 35.694813 0.29 0951+693 69 18 08.14417 * 69 03 55.06083 68 59 50.78479 0.10 * M81 /homes/vlbsoft/sched10.2/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 3429 observations 4.637 scan and 208.519 baseline hours in setup: sess312.K1024 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 10 J0958+6533 09 54 57.847935 * 09 58 47.245115 09 59 45.738500 0.24 * 0954+658 65 48 15.53883 * 65 33 54.81802 65 29 49.55519 0.10 J0958+65 /homes/vlbsoft/sched10.2/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 13048 observations 0.333 scan and 14.831 baseline hours in setup: sess312.K1024 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 10 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) 3C84 154.8 3C147 133.1 M81 100.5 0954+658 99.0 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