COVER INFORMATION Station: YEBES40M (Code Ys ) 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 YEBES40M (Code Ys ) 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: 637.49 637.49 637.49 637.49 669.49 669.49 669.49 669.49 701.49 701.49 701.49 701.49 733.49 733.49 733.49 733.49 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 17 52 0954+658 18 18 22 24.3 -22.0 8.3 43.3 0 0 15 17 52 15 18 52 --- 18 19 37 24.2 -21.9 8.3 43.1 60 8 15 17 53 15 19 22 M81 18 19 52 26.6 -19.0 8.4 43.6 12 8 15 19 22 15 20 22 --- 18 20 52 26.5 -18.9 8.4 43.4 60 15 15 19 23 15 20 52 0954+658 18 21 23 24.1 -21.7 8.4 42.8 12 15 15 20 52 15 21 52 --- 18 22 23 24.0 -21.7 8.4 42.6 60 23 15 20 53 15 22 22 M81 18 22 53 26.4 -18.7 8.4 43.0 12 23 15 22 22 15 23 22 --- 18 23 53 26.3 -18.7 8.5 42.8 60 31 15 22 23 15 23 52 0954+658 18 24 23 23.9 -21.5 8.4 42.2 12 31 15 23 52 15 24 52 --- 18 25 23 23.8 -21.4 8.4 42.0 60 39 15 23 53 15 25 22 M81 18 25 53 26.2 -18.5 8.5 42.4 12 39 15 25 22 15 26 22 --- 18 26 53 26.1 -18.4 8.5 42.1 60 46 15 25 23 15 26 52 0954+658 18 27 24 23.7 -21.2 8.5 41.6 12 46 15 26 52 15 27 52 --- 18 28 24 23.6 -21.1 8.5 41.4 60 54 15 26 53 15 28 40 M81 18 29 12 26.0 -18.3 8.5 41.7 30 54 15 28 40 15 38 25 --- 18 39 13 25.4 -17.5 8.7 39.7 585 130 15 28 41 15 38 40 M81 18 39 13 25.4 -17.5 8.7 39.7 0 130 15 38 40 15 48 25 --- 18 49 00 24.9 -16.8 8.9 37.7 585 205 15 38 41 15 48 40 M81 18 49 15 24.8 -16.7 8.9 37.7 0 205 15 48 40 15 58 25 --- 18 59 02 24.3 -16.0 9.0 35.7 585 281 15 48 41 15 58 40 M81 18 59 17 24.3 -16.0 9.0 35.7 0 281 15 58 40 16 08 25 --- 19 09 03 23.8 -15.2 9.2 33.7 585 356 15 58 41 16 08 40 M81 19 09 18 23.8 -15.1 9.2 33.6 0 356 16 08 40 16 18 25 --- 19 19 05 23.3 -14.3 9.4 31.7 585 432 16 08 41 16 18 40 M81 19 19 20 23.3 -14.3 9.4 31.6 0 432 16 18 40 16 28 25 --- 19 29 06 22.9 -13.5 9.5 29.7 585 507 16 18 41 Schedule for YEBES40M (Code Ys ) 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 32 04 3C84 19 32 46 10.0 42.6 -7.8 -43.5 148 507 16 32 04 16 36 34 --- 19 37 32 10.6 43.3 -7.7 -44.1 270 542 16 32 05 16 36 49 3C84 19 37 32 10.6 43.3 -7.7 -44.1 0 542 16 36 49 16 37 04 --- 19 37 47 10.6 43.3 -7.7 -44.2 15 544 16 36 50 16 40 48 0954+658 19 41 31 19.4 -14.4 9.7 27.2 151 544 16 40 48 16 41 48 --- 19 42 46 19.3 -14.3 9.7 27.0 60 552 16 40 49 16 42 18 M81 19 43 01 22.3 -12.3 9.8 26.9 12 552 16 42 18 16 43 18 --- 19 44 01 22.2 -12.2 9.8 26.7 60 559 16 42 19 16 43 48 0954+658 19 44 31 19.2 -14.1 9.7 26.6 12 559 16 43 48 16 44 48 --- 19 45 32 19.2 -14.0 9.8 26.4 60 567 16 43 49 16 45 18 M81 19 46 02 22.2 -12.0 9.8 26.3 12 567 16 45 18 16 46 18 --- 19 47 02 22.1 -12.0 9.8 26.1 60 575 16 45 19 16 46 48 0954+658 19 47 32 19.1 -13.9 9.8 26.0 12 575 16 46 48 16 47 48 --- 19 48 32 19.0 -13.8 9.8 25.8 60 583 16 46 49 16 48 18 M81 19 49 02 22.0 -11.8 9.9 25.7 12 583 16 48 18 16 49 18 --- 19 50 02 22.0 -11.7 9.9 25.5 60 590 16 48 19 16 49 48 0954+658 19 50 32 19.0 -13.6 9.8 25.4 12 590 16 49 48 16 50 48 --- 19 51 33 18.9 -13.5 9.9 25.2 60 598 16 49 49 16 51 37 M81 19 52 22 21.9 -11.5 9.9 25.0 32 598 16 51 37 17 01 22 --- 20 02 24 21.5 -10.6 10.1 23.0 585 674 16 51 38 17 01 37 M81 20 02 24 21.5 -10.6 10.1 23.0 0 674 17 01 37 17 11 22 --- 20 12 11 21.2 -9.7 10.3 21.0 585 749 17 01 38 17 11 37 M81 20 12 26 21.2 -9.7 10.3 21.0 0 749 17 11 37 17 21 22 --- 20 22 12 20.9 -8.8 10.4 19.0 585 824 17 11 38 17 21 37 M81 20 22 27 20.9 -8.8 10.4 19.0 0 824 17 21 37 17 31 22 --- 20 32 14 20.6 -7.9 10.6 17.0 585 900 17 21 38 17 31 37 M81 20 32 29 20.6 -7.9 10.6 16.9 0 900 17 31 37 17 41 22 --- 20 42 16 20.4 -7.0 10.8 15.0 585 975 17 31 38 17 41 37 M81 20 42 31 20.4 -7.0 10.8 14.9 0 975 17 41 37 17 51 22 --- 20 52 17 20.2 -6.1 10.9 13.0 585 1051 17 41 38 Schedule for YEBES40M (Code Ys ) 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 53 53 3C147 20 54 48 9.6 29.0 -8.8 -34.8 101 1051 17 53 53 17 58 23 --- 20 59 34 10.1 29.6 -8.7 -35.6 270 1086 17 53 54 17 58 38 3C147 20 59 34 10.1 29.6 -8.7 -35.6 0 1086 17 58 38 17 58 53 --- 20 59 49 10.1 29.6 -8.7 -35.7 15 1088 17 58 39 18 00 54 3C84 21 01 50 22.6 53.9 -6.3 -55.1 82 1088 18 00 54 18 05 24 --- 21 06 36 23.3 54.4 -6.2 -55.7 270 1123 18 00 55 18 05 39 3C84 21 06 36 23.3 54.4 -6.2 -55.7 0 1123 18 05 39 18 05 54 --- 21 06 51 23.4 54.5 -6.2 -55.7 15 1124 18 05 40 18 09 49 0954+658 21 10 47 16.4 -5.3 11.2 9.7 160 1124 18 09 49 18 10 49 --- 21 12 02 16.4 -5.1 11.2 9.4 60 1132 18 09 50 18 11 19 M81 21 12 17 19.8 -4.2 11.3 8.9 12 1132 18 11 19 18 12 19 --- 21 13 17 19.8 -4.1 11.3 8.7 60 1140 18 11 20 18 12 49 0954+658 21 13 47 16.4 -4.9 11.2 9.1 12 1140 18 12 49 18 13 49 --- 21 14 47 16.4 -4.8 11.3 8.9 60 1148 18 12 50 18 14 19 M81 21 15 17 19.8 -3.9 11.3 8.3 12 1148 18 14 19 18 15 19 --- 21 16 18 19.8 -3.8 11.3 8.1 60 1155 18 14 20 18 15 49 0954+658 21 16 48 16.4 -4.6 11.3 8.5 12 1155 18 15 49 18 16 49 --- 21 17 48 16.3 -4.5 11.3 8.3 60 1163 18 15 50 18 17 19 M81 21 18 18 19.8 -3.6 11.4 7.7 12 1163 18 17 19 18 18 19 --- 21 19 18 19.7 -3.5 11.4 7.5 60 1171 18 17 20 18 18 49 0954+658 21 19 48 16.3 -4.3 11.3 7.9 12 1171 18 18 49 18 19 49 --- 21 20 48 16.3 -4.2 11.4 7.7 60 1179 18 18 50 18 20 39 M81 21 21 39 19.7 -3.3 11.4 7.0 32 1179 18 20 39 18 30 24 --- 21 31 41 19.6 -2.4 11.6 5.0 585 1254 18 20 40 18 30 39 M81 21 31 41 19.6 -2.4 11.6 5.0 0 1254 18 30 39 18 40 24 --- 21 41 27 19.6 -1.4 11.7 3.1 585 1330 18 30 40 18 40 39 M81 21 41 42 19.6 -1.4 11.8 3.0 0 1330 18 40 39 18 50 24 --- 21 51 29 19.5 -0.5 11.9 1.0 585 1405 18 40 40 18 50 39 M81 21 51 44 19.5 -0.5 11.9 1.0 0 1405 18 50 39 19 00 24 --- 22 01 31 19.5 0.5-11.9 -1.0 585 1481 18 50 40 Schedule for YEBES40M (Code Ys ) 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 --- 19 00 39 M81 22 01 46 19.5 0.5-11.9 -1.0 0 1481 19 00 39 19 10 24 --- 22 11 32 19.6 1.4-11.8 -3.0 585 1556 19 00 40 19 10 39 M81 22 11 47 19.6 1.4-11.7 -3.1 0 1556 19 10 39 19 20 24 --- 22 21 34 19.6 2.4-11.6 -5.0 585 1632 19 10 40 19 24 41 3C84 22 25 52 36.2 62.9 -4.9 -64.7 182 1632 19 24 41 19 29 11 --- 22 30 37 37.0 63.3 -4.8 -65.2 270 1666 19 24 42 19 29 26 3C84 22 30 37 37.0 63.3 -4.8 -65.2 0 1666 19 29 26 19 29 41 --- 22 30 52 37.0 63.4 -4.8 -65.2 15 1668 19 29 27 19 33 47 0954+658 22 34 58 16.2 3.8-11.4 -7.0 170 1668 19 33 47 19 34 47 --- 22 36 13 16.3 3.9-11.4 -7.2 60 1676 19 33 48 19 35 17 M81 22 36 29 19.8 3.8-11.3 -8.0 11 1676 19 35 17 19 36 17 --- 22 37 29 19.8 3.9-11.3 -8.2 60 1684 19 35 18 19 36 47 0954+658 22 37 59 16.3 4.1-11.4 -7.6 11 1684 19 36 47 19 37 47 --- 22 38 59 16.3 4.2-11.3 -7.8 60 1692 19 36 48 19 38 17 M81 22 39 29 19.8 4.1-11.3 -8.6 11 1692 19 38 17 19 39 17 --- 22 40 29 19.8 4.2-11.3 -8.8 60 1699 19 38 18 19 39 47 0954+658 22 40 59 16.3 4.4-11.3 -8.1 11 1699 19 39 47 19 40 47 --- 22 41 59 16.3 4.5-11.3 -8.3 60 1707 19 39 48 19 41 17 M81 22 42 29 19.9 4.3-11.2 -9.3 11 1707 19 41 17 19 42 17 --- 22 43 30 19.9 4.4-11.2 -9.5 60 1715 19 41 18 19 42 47 0954+658 22 44 00 16.4 4.8-11.3 -8.7 11 1715 19 42 47 19 43 47 --- 22 45 00 16.4 4.9-11.2 -8.9 60 1722 19 42 48 19 44 37 M81 22 45 50 19.9 4.7-11.2 -9.9 32 1722 19 44 37 19 54 22 --- 22 55 52 20.1 5.6-11.0 -11.9 585 1798 19 44 38 19 54 37 M81 22 55 52 20.1 5.6-11.0 -11.9 0 1798 19 54 37 20 04 22 --- 23 05 39 20.3 6.5-10.8 -13.9 585 1873 19 54 38 20 04 37 M81 23 05 54 20.3 6.5-10.8 -14.0 0 1873 20 04 37 20 14 22 --- 23 15 40 20.5 7.4-10.7 -15.9 585 1949 20 04 38 20 14 37 M81 23 15 55 20.5 7.5-10.7 -16.0 0 1949 20 14 37 20 24 22 --- 23 25 42 20.8 8.4-10.5 -17.9 585 2024 20 14 38 Schedule for YEBES40M (Code Ys ) 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 24 37 M81 23 25 57 20.8 8.4-10.5 -18.0 0 2024 20 24 37 20 34 22 --- 23 35 44 21.1 9.3-10.3 -20.0 585 2100 20 24 38 20 34 37 M81 23 35 59 21.1 9.3-10.3 -20.0 0 2100 20 34 37 20 44 22 --- 23 45 45 21.4 10.2-10.2 -22.0 585 2175 20 34 38 20 48 47 3C84 23 50 11 50.9 70.6 -3.5 -73.4 189 2175 20 48 47 20 53 17 --- 23 54 56 51.8 71.0 -3.4 -73.9 270 2210 20 48 48 20 53 32 3C84 23 54 56 51.8 71.0 -3.4 -73.9 0 2210 20 53 32 20 53 47 --- 23 55 11 51.8 71.0 -3.4 -73.9 15 2212 20 53 33 20 58 07 0954+658 23 59 32 18.5 12.6-10.0 -23.6 186 2212 20 58 07 20 59 07 --- 00 00 47 18.6 12.7-10.0 -23.8 60 2220 20 58 08 20 59 37 M81 00 01 02 21.9 11.5 -9.9 -25.0 12 2220 20 59 37 21 00 37 --- 00 02 03 22.0 11.6 -9.9 -25.2 60 2228 20 59 38 21 01 07 0954+658 00 02 33 18.7 12.9-10.0 -24.2 12 2228 21 01 07 21 02 07 --- 00 03 33 18.7 13.0 -9.9 -24.4 60 2235 21 01 08 21 02 37 M81 00 04 03 22.0 11.8 -9.9 -25.7 12 2235 21 02 37 21 03 37 --- 00 05 03 22.1 11.9 -9.9 -25.9 60 2243 21 02 38 21 04 07 0954+658 00 05 33 18.8 13.2 -9.9 -24.8 12 2243 21 04 07 21 05 07 --- 00 06 33 18.8 13.3 -9.9 -25.0 60 2251 21 04 08 21 05 37 M81 00 07 03 22.2 12.0 -9.8 -26.3 12 2251 21 05 37 21 06 37 --- 00 08 04 22.2 12.1 -9.8 -26.5 60 2259 21 05 38 21 07 07 0954+658 00 08 34 18.9 13.5 -9.9 -25.4 12 2259 21 07 07 21 08 07 --- 00 09 34 19.0 13.6 -9.8 -25.6 60 2266 21 07 08 21 08 56 M81 00 10 23 22.3 12.3 -9.8 -26.9 31 2266 21 08 56 21 18 41 --- 00 20 25 22.7 13.2 -9.6 -28.9 585 2342 21 08 57 21 18 56 M81 00 20 25 22.7 13.2 -9.6 -28.9 0 2342 21 18 56 21 28 41 --- 00 30 11 23.1 14.0 -9.4 -30.9 585 2417 21 18 57 21 28 56 M81 00 30 26 23.2 14.0 -9.4 -30.9 0 2417 21 28 56 21 38 41 --- 00 40 13 23.6 14.8 -9.3 -32.9 585 2493 21 28 57 21 41 36 3C147 00 43 08 38.5 52.8 -5.0 -69.8 122 2493 21 41 36 21 46 36 --- 00 48 24 39.3 53.1 -4.9 -70.6 300 2531 21 41 37 Schedule for YEBES40M (Code Ys ) 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 49 04 3C84 00 50 38 61.9 75.4 -2.5 -79.4 111 2531 21 49 04 21 54 04 --- 00 55 54 62.9 75.8 -2.4 -80.0 300 2570 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: ys40_1cm LO value by Francisco Colomer (21MAY08), BBC 500-1000MHz Setup group: 1 Station: YEBES40M 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= 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 21550.00 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= 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: 10 Setup file default. Used pcal sets: 1 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= 637.49 637.49 637.49 637.49 669.49 669.49 669.49 669.49 701.49 701.49 701.49 701.49 733.49 733.49 733.49 733.49 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: 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 -- 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