COVER INFORMATION Station: SVETLOE (Code Sv ) 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 SVETLOE (Code Sv ) 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: 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 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 20 11 55 28.0 414.0 -7.1 -32.1 0 0 15 00 00 15 04 30 --- 20 16 26 28.4 414.8 -7.1 -32.5 270 35 15 00 01 15 04 45 3C84 20 16 41 28.4 414.9 -7.1 -32.5 9 35 15 04 45 15 05 00 --- 20 16 56 28.5 414.9 -7.1 -32.5 15 37 15 04 46 15 17 52 0954+658 20 29 51 37.1 348.5 10.5 13.6 680 37 15 17 52 15 18 52 --- 20 31 06 37.1 348.7 10.5 13.5 60 45 15 17 53 15 19 22 M81 20 31 21 40.4 350.1 10.6 13.6 9 45 15 19 22 15 20 22 --- 20 32 21 40.4 350.3 10.6 13.4 60 52 15 19 23 15 20 52 0954+658 20 32 51 37.1 348.9 10.6 13.2 9 52 15 20 52 15 21 52 --- 20 33 51 37.0 349.0 10.6 13.0 60 60 15 20 53 15 22 22 M81 20 34 21 40.4 350.5 10.6 13.1 9 60 15 22 22 15 23 22 --- 20 35 21 40.3 350.6 10.6 12.9 60 68 15 22 23 15 23 52 0954+658 20 35 52 37.0 349.3 10.6 12.7 9 68 15 23 52 15 24 52 --- 20 36 52 37.0 349.4 10.6 12.6 60 75 15 23 53 15 25 22 M81 20 37 22 40.3 350.8 10.7 12.6 9 75 15 25 22 15 26 22 --- 20 38 22 40.3 351.0 10.7 12.5 60 83 15 25 23 15 26 52 0954+658 20 38 52 36.9 349.7 10.7 12.3 9 83 15 26 52 15 27 52 --- 20 39 52 36.9 349.8 10.7 12.1 60 91 15 26 53 15 28 40 M81 20 40 40 40.2 351.2 10.7 12.1 26 91 15 28 40 15 38 25 --- 20 50 42 40.1 352.4 10.9 10.5 585 166 15 28 41 15 38 40 M81 20 50 42 40.1 352.4 10.9 10.5 8 166 15 38 40 15 48 25 --- 21 00 28 39.9 353.5 11.1 8.9 585 242 15 38 41 15 48 40 M81 21 00 43 39.9 353.5 11.1 8.9 10 242 15 48 40 15 58 25 --- 21 10 30 39.8 354.7 11.2 7.3 585 317 15 48 41 15 58 40 M81 21 10 45 39.8 354.7 11.2 7.3 10 317 15 58 40 16 08 25 --- 21 20 32 39.7 355.8 11.4 5.8 585 393 15 58 41 Schedule for SVETLOE (Code Sv ) 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 21 20 47 39.7 355.8 11.4 5.7 10 393 16 08 40 16 18 25 --- 21 30 33 39.6 357.0 11.6 4.2 585 468 16 08 41 16 18 40 M81 21 30 48 39.6 357.0 11.6 4.1 10 468 16 18 40 16 28 25 --- 21 40 35 39.6 358.1 11.7 2.6 585 544 16 18 41 16 32 04 3C84 21 44 14 38.0 430.8 -5.6 -38.4 122 544 16 32 04 16 36 34 --- 21 49 00 38.5 431.7 -5.5 -38.6 270 579 16 32 05 16 36 49 3C84 21 49 00 38.5 431.7 -5.5 -38.6 8 579 16 36 49 16 37 04 --- 21 49 15 38.6 431.7 -5.5 -38.6 15 581 16 36 50 16 40 48 0954+658 21 52 59 36.0 359.1 11.9 1.0 126 581 16 40 48 16 41 48 --- 21 54 15 36.0 359.3 11.9 0.8 60 588 16 40 49 16 42 18 M81 21 54 30 39.5 359.8 12.0 0.3 8 588 16 42 18 16 43 18 --- 21 55 30 39.5 359.9 12.0 0.2 60 596 16 42 19 16 43 48 0954+658 21 56 00 36.0 359.5 11.9 0.6 8 596 16 43 48 16 44 48 --- 21 57 00 36.0 359.6 12.0 0.4 60 604 16 43 49 16 45 18 M81 21 57 30 39.5 360.1-12.0 -0.1 8 604 16 45 18 16 46 18 --- 21 58 30 39.5 360.2-12.0 -0.3 60 612 16 45 19 16 46 48 0954+658 21 59 00 36.0 359.9 12.0 0.1 8 612 16 46 48 16 47 48 --- 22 00 01 36.0 360.0-12.0 -0.0 60 619 16 46 49 16 48 18 M81 22 00 31 39.5 360.5-11.9 -0.6 8 619 16 48 18 16 49 18 --- 22 01 31 39.5 360.6-11.9 -0.8 60 627 16 48 19 16 49 48 0954+658 22 02 01 36.0 360.3-12.0 -0.3 8 627 16 49 48 16 50 48 --- 22 03 01 36.0 360.4-11.9 -0.5 60 635 16 49 49 16 51 37 M81 22 03 51 39.5 360.8-11.9 -1.2 28 635 16 51 37 17 01 22 --- 22 13 53 39.6 362.0-11.7 -2.8 585 710 16 51 38 17 01 37 M81 22 13 53 39.6 362.0-11.7 -2.8 8 710 17 01 37 17 11 22 --- 22 23 39 39.6 363.1-11.5 -4.3 585 786 17 01 38 17 11 37 M81 22 23 54 39.6 363.2-11.5 -4.4 10 786 17 11 37 17 21 22 --- 22 33 41 39.7 364.3-11.4 -5.9 585 861 17 11 38 17 21 37 M81 22 33 56 39.7 364.3-11.4 -6.0 10 861 17 21 37 17 31 22 --- 22 43 42 39.8 365.5-11.2 -7.5 585 937 17 21 38 Schedule for SVETLOE (Code Sv ) 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 22 43 57 39.8 365.5-11.2 -7.6 10 937 17 31 37 17 41 22 --- 22 53 44 39.9 366.6-11.0 -9.1 585 1012 17 31 38 17 41 37 M81 22 53 59 39.9 366.7-11.0 -9.1 10 1012 17 41 37 17 51 22 --- 23 03 46 40.1 367.8-10.9 -10.7 585 1088 17 41 38 17 53 53 3C147 23 06 17 37.9 413.7 -6.6 -38.0 80 1088 17 53 53 17 58 23 --- 23 11 02 38.4 414.5 -6.5 -38.4 270 1123 17 53 54 17 58 38 3C147 23 11 02 38.4 414.5 -6.5 -38.4 8 1123 17 58 38 17 58 53 --- 23 11 18 38.4 414.5 -6.5 -38.4 15 1124 17 58 39 18 00 54 3C84 23 13 19 48.7 448.4 -4.1 -41.1 62 1124 18 00 54 18 05 24 --- 23 18 04 49.3 449.4 -4.0 -41.1 270 1159 18 00 55 18 05 39 3C84 23 18 04 49.3 449.4 -4.0 -41.1 8 1159 18 05 39 18 05 54 --- 23 18 19 49.3 449.4 -4.0 -41.1 15 1161 18 05 40 18 09 49 0954+658 23 22 15 37.0 370.5-10.6 -12.5 131 1161 18 09 49 18 10 49 --- 23 23 30 37.0 370.7-10.6 -12.7 60 1169 18 09 50 18 11 19 M81 23 23 46 40.5 370.1-10.5 -13.9 8 1169 18 11 19 18 12 19 --- 23 24 46 40.5 370.2-10.5 -14.0 60 1177 18 11 20 18 12 49 0954+658 23 25 16 37.0 370.9-10.6 -13.0 8 1177 18 12 49 18 13 49 --- 23 26 16 37.1 371.0-10.6 -13.1 60 1184 18 12 50 18 14 19 M81 23 26 46 40.5 370.4-10.5 -14.4 8 1184 18 14 19 18 15 19 --- 23 27 46 40.6 370.5-10.5 -14.5 60 1192 18 14 20 18 15 49 0954+658 23 28 16 37.1 371.3-10.5 -13.4 8 1192 18 15 49 18 16 49 --- 23 29 16 37.1 371.4-10.5 -13.6 60 1200 18 15 50 18 17 19 M81 23 29 46 40.6 370.8-10.4 -14.8 8 1200 18 17 19 18 18 19 --- 23 30 47 40.6 370.9-10.4 -15.0 60 1208 18 17 20 18 18 49 0954+658 23 31 17 37.2 371.7-10.5 -13.9 8 1208 18 18 49 18 19 49 --- 23 32 17 37.2 371.8-10.5 -14.0 60 1215 18 18 50 18 20 39 M81 23 33 08 40.7 371.1-10.4 -15.4 29 1215 18 20 39 18 30 24 --- 23 43 09 40.9 372.3-10.2 -17.0 585 1291 18 20 40 18 30 39 M81 23 43 09 40.9 372.3-10.2 -17.0 8 1291 18 30 39 18 40 24 --- 23 52 56 41.2 373.4-10.1 -18.5 585 1366 18 30 40 Schedule for SVETLOE (Code Sv ) 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 23 53 11 41.2 373.4-10.1 -18.6 10 1366 18 40 39 18 50 24 --- 00 02 57 41.5 374.5 -9.9 -20.1 585 1442 18 40 40 18 50 39 M81 00 03 12 41.5 374.5 -9.9 -20.2 10 1442 18 50 39 19 00 24 --- 00 12 59 41.8 375.6 -9.7 -21.7 585 1517 18 50 40 19 00 39 M81 00 13 14 41.8 375.7 -9.7 -21.8 10 1517 19 00 39 19 10 24 --- 00 23 01 42.2 376.8 -9.6 -23.3 585 1593 19 00 40 19 10 39 M81 00 23 16 42.2 376.8 -9.6 -23.4 10 1593 19 10 39 19 20 24 --- 00 33 02 42.5 377.9 -9.4 -24.9 585 1668 19 10 40 19 24 41 3C84 00 37 20 58.9 468.8 -2.7 -38.5 142 1668 19 24 41 19 29 11 --- 00 42 06 59.4 470.2 -2.6 -38.1 270 1703 19 24 42 19 29 26 3C84 00 42 06 59.4 470.2 -2.6 -38.1 8 1703 19 29 26 19 29 41 --- 00 42 21 59.5 470.2 -2.6 -38.1 15 1705 19 29 27 19 33 47 0954+658 00 46 27 39.8 381.0 -9.2 -25.2 131 1705 19 33 47 19 34 47 --- 00 47 42 39.8 381.2 -9.2 -25.4 60 1713 19 33 48 19 35 17 M81 00 47 57 43.1 379.5 -9.1 -27.3 9 1713 19 35 17 19 36 17 --- 00 48 57 43.2 379.6 -9.1 -27.4 60 1721 19 35 18 19 36 47 0954+658 00 49 27 39.9 381.4 -9.2 -25.6 9 1721 19 36 47 19 37 47 --- 00 50 27 40.0 381.5 -9.2 -25.8 60 1728 19 36 48 19 38 17 M81 00 50 58 43.2 379.8 -9.1 -27.8 9 1728 19 38 17 19 39 17 --- 00 51 58 43.3 379.9 -9.1 -27.9 60 1736 19 38 18 19 39 47 0954+658 00 52 28 40.0 381.8 -9.1 -26.1 9 1736 19 39 47 19 40 47 --- 00 53 28 40.1 381.9 -9.1 -26.2 60 1744 19 39 48 19 41 17 M81 00 53 58 43.4 380.2 -9.0 -28.2 9 1744 19 41 17 19 42 17 --- 00 54 58 43.4 380.3 -9.0 -28.4 60 1752 19 41 18 19 42 47 0954+658 00 55 28 40.2 382.1 -9.1 -26.5 9 1752 19 42 47 19 43 47 --- 00 56 28 40.2 382.2 -9.1 -26.7 60 1759 19 42 48 19 44 37 M81 00 57 19 43.5 380.5 -9.0 -28.8 29 1759 19 44 37 19 54 22 --- 01 07 21 44.0 381.6 -8.8 -30.4 585 1835 19 44 38 19 54 37 M81 01 07 21 44.0 381.6 -8.8 -30.4 9 1835 19 54 37 20 04 22 --- 01 17 07 44.4 382.6 -8.7 -31.9 585 1910 19 54 38 Schedule for SVETLOE (Code Sv ) 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 01 17 22 44.4 382.7 -8.7 -31.9 10 1910 20 04 37 20 14 22 --- 01 27 09 44.9 383.7 -8.5 -33.5 585 1986 20 04 38 20 14 37 M81 01 27 24 44.9 383.7 -8.5 -33.5 10 1986 20 14 37 20 24 22 --- 01 37 10 45.4 384.8 -8.3 -35.1 585 2061 20 14 38 20 24 37 M81 01 37 25 45.4 384.8 -8.3 -35.1 10 2061 20 24 37 20 34 22 --- 01 47 12 45.9 385.8 -8.2 -36.7 585 2137 20 24 38 20 34 37 M81 01 47 27 45.9 385.8 -8.2 -36.7 10 2137 20 34 37 20 44 22 --- 01 57 14 46.5 386.8 -8.0 -38.3 585 2212 20 34 38 20 48 47 3C84 02 01 39 67.5 498.6 -1.3 -25.8 129 2212 20 48 47 20 53 17 --- 02 06 25 67.9 500.7 -1.2 -24.6 270 2247 20 48 48 20 53 32 3C84 02 06 25 67.9 500.7 -1.2 -24.6 7 2247 20 53 32 20 53 47 --- 02 06 40 67.9 500.8 -1.2 -24.5 15 2249 20 53 33 20 58 07 0954+658 02 11 01 44.3 391.1 -7.8 -37.7 125 2249 20 58 07 20 59 07 --- 02 12 16 44.4 391.2 -7.8 -37.9 60 2257 20 58 08 20 59 37 M81 02 12 31 47.3 388.4 -7.7 -40.7 10 2257 20 59 37 21 00 37 --- 02 13 31 47.4 388.5 -7.7 -40.9 60 2264 20 59 38 21 01 07 0954+658 02 14 01 44.5 391.4 -7.8 -38.2 10 2264 21 01 07 21 02 07 --- 02 15 01 44.6 391.5 -7.7 -38.3 60 2272 21 01 08 21 02 37 M81 02 15 31 47.5 388.7 -7.7 -41.2 10 2272 21 02 37 21 03 37 --- 02 16 32 47.6 388.8 -7.7 -41.4 60 2280 21 02 38 21 04 07 0954+658 02 17 02 44.7 391.7 -7.7 -38.6 10 2280 21 04 07 21 05 07 --- 02 18 02 44.8 391.9 -7.7 -38.8 60 2288 21 04 08 21 05 37 M81 02 18 32 47.7 389.0 -7.6 -41.7 10 2288 21 05 37 21 06 37 --- 02 19 32 47.8 389.1 -7.6 -41.8 60 2295 21 05 38 21 07 07 0954+658 02 20 02 44.9 392.1 -7.7 -39.1 10 2295 21 07 07 21 08 07 --- 02 21 02 45.0 392.2 -7.6 -39.2 60 2303 21 07 08 21 08 56 M81 02 21 52 47.9 389.3 -7.6 -42.2 29 2303 21 08 56 21 18 41 --- 02 31 53 48.5 390.3 -7.4 -43.8 585 2379 21 08 57 21 18 56 M81 02 31 53 48.5 390.3 -7.4 -43.8 9 2379 21 18 56 21 28 41 --- 02 41 40 49.1 391.2 -7.2 -45.4 585 2454 21 18 57 Schedule for SVETLOE (Code Sv ) 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 02 41 55 49.1 391.3 -7.2 -45.4 10 2454 21 28 56 21 38 41 --- 02 51 42 49.8 392.2 -7.1 -47.0 585 2530 21 28 57 21 41 36 3C147 02 54 37 64.2 455.2 -2.8 -49.5 87 2530 21 41 36 21 46 36 --- 02 59 53 64.8 456.5 -2.7 -49.3 300 2568 21 41 37 21 49 04 3C84 03 02 07 70.8 529.4 -0.3 -7.0 51 2568 21 49 04 21 54 04 --- 03 07 23 70.9 532.4 -0.2 -5.0 300 2607 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 Matching groups in /homes/vlbsoft/sched10.2/catalogs/freq.dat: kvzr_k Added by Des Small, 24 February 2012 Setup group: 9 Station: SVETLOE 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= 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 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 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 6 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= 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 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: 6 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