COVER INFORMATION Station: EFLSBERG (Code Ef ) 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 EFLSBERG (Code Ef ) 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: 687.49 687.49 687.49 687.49 719.49 719.49 719.49 719.49 751.49 751.49 751.49 751.49 783.49 783.49 783.49 783.49 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 18 40 20 11.9 35.8 -8.7 H -29.8 0 0 15 00 00 15 04 30 --- 18 44 50 12.3 36.5 -8.6 H -30.4 0 35 15 00 01 15 04 45 3C84 18 45 05 12.3 36.6 -8.6 H -30.4 5 35 15 04 45 15 05 00 --- 18 45 20 12.3 36.6 -8.6 H -30.5 0 37 15 04 46 15 17 52 0954+658 18 58 15 31.1 339.8 9.0 31.9 15 37 15 17 52 15 18 52 --- 18 59 30 31.1 340.0 9.0 31.7 60 45 15 17 53 15 19 22 M81 18 59 45 33.9 342.5 9.1 32.3 -3 45 15 19 22 15 20 22 --- 19 00 45 33.8 342.6 9.1 32.1 57 52 15 19 23 15 20 52 0954+658 19 01 15 31.0 340.1 9.0 31.4 -3 52 15 20 52 15 21 52 --- 19 02 16 30.9 340.2 9.0 31.2 57 60 15 20 53 15 22 22 M81 19 02 46 33.7 342.8 9.1 31.7 -3 60 15 22 22 15 23 22 --- 19 03 46 33.7 342.8 9.1 31.5 57 68 15 22 23 15 23 52 0954+658 19 04 16 30.8 340.4 9.1 30.9 -3 68 15 23 52 15 24 52 --- 19 05 16 30.8 340.5 9.1 30.7 57 75 15 23 53 15 25 22 M81 19 05 46 33.6 343.0 9.2 31.2 -3 75 15 25 22 15 26 22 --- 19 06 46 33.5 343.1 9.2 31.0 57 83 15 25 23 15 26 52 0954+658 19 07 16 30.7 340.8 9.1 30.3 -3 83 15 26 52 15 27 52 --- 19 08 17 30.6 340.9 9.1 30.2 57 91 15 26 53 15 28 40 M81 19 09 05 33.4 343.3 9.2 30.6 15 91 15 28 40 15 38 25 --- 19 19 06 33.0 344.3 9.4 28.7 585 166 15 28 41 15 38 40 M81 19 19 06 33.0 344.3 9.4 28.7 4 166 15 38 40 15 48 25 --- 19 28 53 32.6 345.2 9.5 27.0 585 242 15 38 41 15 48 40 M81 19 29 08 32.6 345.2 9.5 26.9 5 242 15 48 40 15 58 25 --- 19 38 54 32.2 346.1 9.7 25.1 585 317 15 48 41 15 58 40 M81 19 39 10 32.2 346.2 9.7 25.1 5 317 15 58 40 16 08 25 --- 19 48 56 31.8 347.1 9.9 23.3 585 393 15 58 41 Schedule for EFLSBERG (Code Ef ) 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 19 49 11 31.8 347.1 9.9 23.3 5 393 16 08 40 16 18 25 --- 19 58 58 31.5 348.1 10.0 21.5 585 468 16 08 41 16 18 40 M81 19 59 13 31.5 348.1 10.0 21.4 5 468 16 18 40 16 28 25 --- 20 08 59 31.2 349.1 10.2 19.6 585 544 16 18 41 16 32 04 3C84 20 12 39 21.9 410.5 -7.1 -40.9 42 544 16 32 04 16 36 34 --- 20 17 25 22.5 411.2 -7.1 -41.4 270 579 16 32 05 16 36 49 3C84 20 17 25 22.5 411.2 -7.1 -41.4 3 579 16 36 49 16 37 04 --- 20 17 40 22.5 411.2 -7.1 -41.5 15 581 16 36 50 16 40 48 0954+658 20 21 24 27.6 348.8 10.4 17.4 44 581 16 40 48 16 41 48 --- 20 22 39 27.5 348.9 10.4 17.1 60 588 16 40 49 16 42 18 M81 20 22 54 30.8 350.5 10.4 17.1 -4 588 16 42 18 16 43 18 --- 20 23 54 30.7 350.6 10.5 16.9 56 596 16 42 19 16 43 48 0954+658 20 24 24 27.5 349.1 10.4 16.8 -5 596 16 43 48 16 44 48 --- 20 25 25 27.4 349.2 10.4 16.7 55 604 16 43 49 16 45 18 M81 20 25 55 30.7 350.8 10.5 16.6 -5 604 16 45 18 16 46 18 --- 20 26 55 30.7 350.9 10.5 16.4 55 612 16 45 19 16 46 48 0954+658 20 27 25 27.4 349.4 10.5 16.3 -5 612 16 46 48 16 47 48 --- 20 28 25 27.3 349.6 10.5 16.1 55 619 16 46 49 16 48 18 M81 20 28 55 30.6 351.1 10.5 16.0 -5 619 16 48 18 16 49 18 --- 20 29 55 30.6 351.2 10.6 15.8 55 627 16 48 19 16 49 48 0954+658 20 30 25 27.3 349.8 10.5 15.8 -5 627 16 49 48 16 50 48 --- 20 31 26 27.3 349.9 10.5 15.6 55 635 16 49 49 16 51 37 M81 20 32 15 30.5 351.4 10.6 15.4 15 635 16 51 37 17 01 22 --- 20 42 17 30.3 352.4 10.8 13.6 585 710 16 51 38 17 01 37 M81 20 42 17 30.3 352.4 10.8 13.6 4 710 17 01 37 17 11 22 --- 20 52 04 30.1 353.4 10.9 11.8 585 786 17 01 38 17 11 37 M81 20 52 19 30.1 353.4 10.9 11.7 5 786 17 11 37 17 21 22 --- 21 02 05 29.9 354.4 11.1 10.0 585 861 17 11 38 17 21 37 M81 21 02 20 29.9 354.4 11.1 9.9 5 861 17 21 37 17 31 22 --- 21 12 07 29.8 355.4 11.3 8.1 585 937 17 21 38 Schedule for EFLSBERG (Code Ef ) 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 12 22 29.8 355.5 11.3 8.1 5 937 17 31 37 17 41 22 --- 21 22 08 29.7 356.5 11.4 6.3 585 1012 17 31 38 17 41 37 M81 21 22 24 29.7 356.5 11.4 6.2 5 1012 17 41 37 17 51 22 --- 21 32 10 29.6 357.5 11.6 4.5 585 1088 17 41 38 17 51 37 3C147 21 32 25 21.6 395.6 -8.2 -35.1 -107 1088 17 51 37 17 59 03 --- 21 39 52 22.3 396.7 -8.1 -36.1 339 1145 17 51 38 18 00 54 3C84 21 41 43 33.8 423.7 -5.6 -49.6 16 1145 18 00 54 18 05 24 --- 21 46 29 34.4 424.4 -5.6 -50.0 270 1180 18 00 55 18 05 39 3C84 21 46 29 34.4 424.4 -5.6 -50.0 3 1180 18 05 39 18 05 54 --- 21 46 44 34.5 424.4 -5.6 -50.0 15 1182 18 05 40 18 09 49 0954+658 21 50 40 26.0 358.9 11.8 1.6 48 1182 18 09 49 18 10 49 --- 21 51 55 26.0 359.1 11.9 1.4 60 1190 18 09 50 18 11 19 M81 21 52 10 29.5 359.5 11.9 0.8 -5 1190 18 11 19 18 12 19 --- 21 53 10 29.5 359.6 11.9 0.6 55 1197 18 11 20 18 12 49 0954+658 21 53 40 26.0 359.3 11.9 1.1 -5 1197 18 12 49 18 13 49 --- 21 54 40 26.0 359.4 11.9 0.9 55 1205 18 12 50 18 14 19 M81 21 55 10 29.5 359.9 12.0 0.3 -5 1205 18 14 19 18 15 19 --- 21 56 11 29.5 360.0 12.0 0.1 55 1213 18 14 20 18 15 49 0954+658 21 56 41 26.0 359.6 11.9 0.5 -5 1213 18 15 49 18 16 49 --- 21 57 41 26.0 359.8 12.0 0.4 55 1221 18 15 50 18 17 19 M81 21 58 11 29.5 360.2-12.0 -0.3 -5 1221 18 17 19 18 18 19 --- 21 59 11 29.5 360.3-12.0 -0.5 55 1228 18 17 20 18 18 49 0954+658 21 59 41 26.0 360.0 12.0 0.0 -6 1228 18 18 49 18 19 49 --- 22 00 41 26.0 360.1-12.0 -0.2 54 1236 18 18 50 18 20 39 M81 22 01 32 29.5 360.5-11.9 -0.9 15 1236 18 20 39 18 30 24 --- 22 11 34 29.6 361.5-11.8 -2.7 585 1312 18 20 40 18 30 39 M81 22 11 34 29.6 361.5-11.8 -2.7 4 1312 18 30 39 18 40 24 --- 22 21 20 29.6 362.5-11.6 -4.5 585 1387 18 30 40 18 40 39 M81 22 21 35 29.6 362.6-11.6 -4.6 5 1387 18 40 39 18 50 24 --- 22 31 22 29.7 363.6-11.4 -6.4 585 1463 18 40 40 Schedule for EFLSBERG (Code Ef ) 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 50 39 M81 22 31 37 29.7 363.6-11.4 -6.4 5 1463 18 50 39 19 00 24 --- 22 41 23 29.8 364.6-11.3 -8.2 585 1538 18 50 40 19 00 39 M81 22 41 39 29.8 364.6-11.2 -8.2 5 1538 19 00 39 19 10 24 --- 22 51 25 30.0 365.6-11.1 -10.0 585 1614 19 00 40 19 10 39 M81 22 51 40 30.0 365.7-11.1 -10.1 5 1614 19 10 39 19 20 24 --- 23 01 27 30.1 366.6-10.9 -11.8 585 1689 19 10 40 19 24 41 3C84 23 05 44 46.3 436.1 -4.2 -55.6 61 1689 19 24 41 19 29 11 --- 23 10 30 47.0 436.8 -4.2 -55.8 270 1724 19 24 42 19 29 26 3C84 23 10 30 47.0 436.8 -4.2 -55.8 3 1724 19 29 26 19 29 41 --- 23 10 45 47.0 436.9 -4.2 -55.8 15 1726 19 29 27 19 33 47 0954+658 23 14 51 26.9 368.6-10.7 -13.3 51 1726 19 33 47 19 34 47 --- 23 16 06 26.9 368.8-10.7 -13.5 60 1734 19 33 48 19 35 17 M81 23 16 21 30.4 368.1-10.7 -14.6 -5 1734 19 35 17 19 36 17 --- 23 17 22 30.4 368.3-10.7 -14.7 55 1741 19 35 18 19 36 47 0954+658 23 17 52 27.0 368.9-10.7 -13.8 -5 1741 19 36 47 19 37 47 --- 23 18 52 27.0 369.1-10.7 -14.0 55 1749 19 36 48 19 38 17 M81 23 19 22 30.5 368.5-10.6 -15.1 -5 1749 19 38 17 19 39 17 --- 23 20 22 30.5 368.6-10.6 -15.3 55 1757 19 38 18 19 39 47 0954+658 23 20 52 27.1 369.3-10.6 -14.3 -5 1757 19 39 47 19 40 47 --- 23 21 52 27.1 369.4-10.6 -14.5 55 1765 19 39 48 19 41 17 M81 23 22 22 30.6 368.8-10.6 -15.7 -5 1765 19 41 17 19 42 17 --- 23 23 23 30.6 368.9-10.6 -15.8 55 1772 19 41 18 19 42 47 0954+658 23 23 53 27.1 369.6-10.6 -14.9 -5 1772 19 42 47 19 43 47 --- 23 24 53 27.2 369.7-10.6 -15.0 55 1780 19 42 48 19 44 37 M81 23 25 43 30.6 369.1-10.5 -16.3 15 1780 19 44 37 19 54 22 --- 23 35 45 30.9 370.1-10.3 -18.1 585 1855 19 44 38 19 54 37 M81 23 35 45 30.9 370.1-10.3 -18.1 4 1855 19 54 37 20 04 22 --- 23 45 32 31.2 371.1-10.2 -19.9 585 1931 19 54 38 20 04 37 M81 23 45 47 31.2 371.1-10.2 -19.9 5 1931 20 04 37 20 14 22 --- 23 55 33 31.5 372.0-10.0 -21.7 585 2006 20 04 38 Schedule for EFLSBERG (Code Ef ) 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 14 37 M81 23 55 48 31.5 372.1-10.0 -21.8 5 2006 20 14 37 20 24 22 --- 00 05 35 31.9 373.0 -9.9 -23.5 585 2082 20 14 38 20 24 37 M81 00 05 50 31.9 373.0 -9.8 -23.6 5 2082 20 24 37 20 34 22 --- 00 15 36 32.2 374.0 -9.7 -25.4 585 2157 20 24 38 20 34 37 M81 00 15 52 32.2 374.0 -9.7 -25.4 5 2157 20 34 37 20 44 22 --- 00 25 38 32.6 374.9 -9.5 -27.2 585 2233 20 34 38 20 48 47 3C84 00 30 03 59.5 450.3 -2.8 -58.2 54 2233 20 48 47 20 53 17 --- 00 34 49 60.3 451.3 -2.8 -58.1 270 2268 20 48 48 20 53 32 3C84 00 34 49 60.3 451.3 -2.8 -58.1 3 2268 20 53 32 20 53 47 --- 00 35 04 60.3 451.3 -2.8 -58.1 15 2270 20 53 33 20 58 07 0954+658 00 39 25 30.0 377.9 -9.3 -28.1 54 2270 20 58 07 20 59 07 --- 00 40 40 30.1 378.0 -9.3 -28.3 60 2277 20 58 08 20 59 37 M81 00 40 55 33.3 376.4 -9.3 -30.0 -4 2277 20 59 37 21 00 37 --- 00 41 55 33.3 376.5 -9.2 -30.2 56 2285 20 59 38 21 01 07 0954+658 00 42 26 30.2 378.2 -9.3 -28.6 -4 2285 21 01 07 21 02 07 --- 00 43 26 30.2 378.3 -9.3 -28.8 56 2293 21 01 08 21 02 37 M81 00 43 56 33.4 376.6 -9.2 -30.5 -4 2293 21 02 37 21 03 37 --- 00 44 56 33.5 376.7 -9.2 -30.7 56 2301 21 02 38 21 04 07 0954+658 00 45 26 30.3 378.5 -9.2 -29.2 -4 2301 21 04 07 21 05 07 --- 00 46 26 30.4 378.6 -9.2 -29.3 56 2308 21 04 08 21 05 37 M81 00 46 56 33.6 376.9 -9.2 -31.1 -4 2308 21 05 37 21 06 37 --- 00 47 56 33.6 377.0 -9.1 -31.3 56 2316 21 05 38 21 07 07 0954+658 00 48 27 30.5 378.8 -9.2 -29.7 -4 2316 21 07 07 21 08 07 --- 00 49 27 30.5 379.0 -9.2 -29.9 56 2324 21 07 08 21 08 56 M81 00 50 16 33.7 377.2 -9.1 -31.7 15 2324 21 08 56 21 18 41 --- 01 00 18 34.2 378.1 -8.9 -33.5 585 2399 21 08 57 21 18 56 M81 01 00 18 34.2 378.1 -8.9 -33.5 4 2399 21 18 56 21 28 41 --- 01 10 04 34.7 379.0 -8.8 -35.3 585 2475 21 18 57 21 28 56 M81 01 10 19 34.7 379.0 -8.8 -35.4 5 2475 21 28 56 21 38 41 --- 01 20 06 35.2 379.9 -8.6 -37.1 585 2550 21 28 57 Schedule for EFLSBERG (Code Ef ) 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 41 36 3C147 01 23 01 49.7 424.7 -4.3 -63.0 38 2550 21 41 36 21 46 36 --- 01 28 17 50.4 425.3 -4.3 -63.6 300 2589 21 41 37 21 49 04 3C84 01 30 31 69.0 464.6 -1.8 -55.3 25 2589 21 49 04 21 54 04 --- 01 35 47 69.8 466.2 -1.7 -54.7 300 2628 21 49 05 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess312.K1024 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 8 Station: EFLSBERG 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= 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 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 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 BBC SB= L L U U L L U U L L U U L L U U 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: 2 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= 687.49 687.49 687.49 687.49 719.49 719.49 719.49 719.49 751.49 751.49 751.49 751.49 783.49 783.49 783.49 783.49 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: 2 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 -- 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