COVER INFORMATION Station: MEDICINA (Code Mc ) Experiment: 18cm global VLBI observations of Arp220 Exp. Code: GV022A Schedule Version: 5.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Eskil Varenius Address: Department of Earth and Space Sciences, Chalmers University of T Onsala Space Observatory 439 92 Onsala Sweden Phone: +46 31 772 55 45 EMAIL: varenius@chalmers.se Fax: +46(0)31 772 5590 Phone during observation: +46 31 772 55 45 Observing mode: 18cm 2Gbps global VLBI with phased D-array VLA Notes: Phase calibrator : J1532+2344 Fringe finder / pol. cal / bandpass cal : J1516+1932 VLA phase-up calibrator: J1520+2016 (3C318) Schedule for MEDICINA (Code Mc ) Page 2 18cm global VLBI observations of Arp220 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 2017 Day 57 --- Next scan frequencies: 1584.25 1584.25 1584.25 1584.25 1616.25 1616.25 1616.25 1616.25 1648.25 1648.25 1648.25 1648.25 1680.25 1680.25 1680.25 1680.25 Next BBC frequencies: 289.25 289.25 289.25 289.25 321.25 321.25 321.25 321.25 353.25 353.25 353.25 353.25 385.25 385.25 385.25 385.25 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 03 30 00 J1532+2344 14 41 18 66.6 508.6 -0.9 -23.9 0 0 03 30 00 03 33 00 =1530+239 14 44 18 66.9 510.2 -0.8 -22.7 180 23 03 30 01 03 33 25 ARP220 14 44 44 66.5 509.5 -0.8 -23.2 20 23 03 33 25 03 43 25 --- 14 54 46 67.3 515.0 -0.7 -19.2 600 100 03 33 26 03 43 51 J1532+2344 14 55 11 67.7 516.3 -0.6 -18.3 20 100 03 43 51 03 46 51 =1530+239 14 58 12 67.9 518.0 -0.6 -16.9 180 124 03 43 52 03 47 17 ARP220 14 58 37 67.6 517.2 -0.6 -17.5 20 124 03 47 17 03 57 17 --- 15 08 39 68.2 523.1 -0.5 -13.1 600 201 03 47 18 03 57 42 J1532+2344 15 09 05 68.6 524.5 -0.4 -12.0 20 201 03 57 42 04 00 42 =1530+239 15 12 05 68.7 526.4 -0.4 -10.6 180 224 03 57 43 04 01 08 ARP220 15 12 31 68.4 525.4 -0.4 -11.3 20 224 04 01 08 04 11 08 --- 15 22 32 68.8 531.6 -0.2 -6.5 600 301 04 01 09 04 11 33 J1532+2344 15 22 58 69.0 533.2 -0.2 -5.3 20 301 04 11 33 04 14 33 =1530+239 15 25 59 69.1 535.2 -0.1 -3.8 180 325 04 11 34 04 14 59 ARP220 15 26 24 68.8 534.1 -0.2 -4.6 20 325 04 14 59 04 24 59 --- 15 36 26 68.9 540.5 0.0 0.4 600 402 04 15 00 04 25 52 J1516+1932 15 37 19 64.6 550.8 0.3 8.2 36 402 04 25 52 04 27 52 =1514+197 15 39 19 64.6 551.9 0.4 9.0 120 417 04 25 53 04 28 40 J1532+2344 15 40 07 69.1 544.2 0.1 3.3 33 417 04 28 40 04 31 40 =1530+239 15 43 08 69.1 546.2 0.2 4.8 180 441 04 28 41 04 32 05 ARP220 15 43 33 68.9 545.0 0.1 3.9 20 441 04 32 05 04 42 05 --- 15 53 35 68.6 551.3 0.3 8.8 600 518 04 32 06 04 42 31 J1532+2344 15 54 01 68.7 553.0 0.3 10.1 20 518 04 42 31 04 45 31 =1530+239 15 57 01 68.6 554.9 0.4 11.5 180 541 04 42 32 04 45 56 ARP220 15 57 27 68.5 553.7 0.4 10.6 20 541 04 45 56 04 55 56 --- 16 07 28 67.9 559.7 0.5 15.2 600 618 04 45 57 Schedule for MEDICINA (Code Mc ) Page 3 18cm global VLBI observations of Arp220 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 2017 Day 57 --- 04 56 22 J1532+2344 16 07 54 68.0 561.4 0.6 16.5 20 618 04 56 22 04 59 22 =1530+239 16 10 55 67.8 563.2 0.6 17.9 180 642 04 56 23 04 59 47 ARP220 16 11 20 67.7 562.0 0.6 16.9 20 642 04 59 47 05 09 47 --- 16 21 22 67.0 567.6 0.8 21.1 600 719 04 59 48 05 10 13 J1532+2344 16 21 47 66.9 569.3 0.8 22.4 20 719 05 10 13 05 13 13 =1530+239 16 24 48 66.7 570.9 0.9 23.6 180 742 05 10 14 05 13 38 ARP220 16 25 13 66.6 569.7 0.8 22.7 20 742 05 13 38 05 23 38 --- 16 35 15 65.7 574.9 1.0 26.4 600 819 05 13 39 05 24 25 J1516+1932 16 36 02 60.1 579.4 1.3 28.7 31 819 05 24 25 05 26 25 =1514+197 16 38 02 59.9 580.2 1.3 29.2 120 835 05 24 26 05 27 10 J1532+2344 16 38 48 65.3 578.0 1.1 28.6 30 835 05 27 10 05 30 10 =1530+239 16 41 48 64.9 579.4 1.1 29.6 180 858 05 27 11 05 30 36 ARP220 16 42 14 64.9 578.3 1.1 28.8 20 858 05 30 36 05 40 36 --- 16 52 15 63.8 582.9 1.3 31.9 600 935 05 30 37 05 41 01 J1532+2344 16 52 41 63.6 584.3 1.3 32.9 20 935 05 41 01 05 44 01 =1530+239 16 55 41 63.3 585.6 1.4 33.8 180 958 05 41 02 05 44 27 ARP220 16 56 07 63.3 584.5 1.3 33.0 20 958 05 44 27 05 54 27 --- 17 06 09 62.0 588.7 1.5 35.7 600 1036 05 44 28 05 54 53 J1532+2344 17 06 34 61.8 590.0 1.6 36.6 20 1036 05 54 53 05 57 53 =1530+239 17 09 35 61.4 591.1 1.6 37.3 180 1059 05 54 54 05 58 18 ARP220 17 10 00 61.5 590.2 1.6 36.7 20 1059 05 58 18 06 08 18 --- 17 20 02 60.1 593.9 1.7 38.9 600 1136 05 58 19 06 08 44 J1532+2344 17 20 28 59.9 595.1 1.8 39.7 20 1136 06 08 44 06 11 44 =1530+239 17 23 28 59.4 596.2 1.8 40.3 180 1159 06 08 45 06 12 09 ARP220 17 23 54 59.5 595.3 1.8 39.7 20 1159 06 12 09 06 22 09 --- 17 33 55 58.0 598.6 2.0 41.6 600 1237 06 12 10 06 22 35 J1532+2344 17 34 21 57.8 599.8 2.0 42.3 20 1237 06 22 35 06 25 35 =1530+239 17 37 22 57.3 600.7 2.1 42.8 180 1260 06 22 36 06 26 00 ARP220 17 37 47 57.4 599.9 2.0 42.2 20 1260 06 26 00 06 36 00 --- 17 47 49 55.8 602.9 2.2 43.8 600 1337 06 26 01 Schedule for MEDICINA (Code Mc ) Page 4 18cm global VLBI observations of Arp220 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 2017 Day 57 --- 06 36 00 J1516+1932 17 47 49 50.1 603.5 2.5 42.6 -16 1337 No stop 06 37 00 =1514+197 17 48 49 49.9 603.7 2.5 42.7 44 1345 06 36 01 06 37 21 J1516+1932 17 49 10 49.9 603.8 2.5 42.8 18 1345 06 37 14 06 38 21 =1514+197 17 50 10 49.7 604.1 2.5 42.9 60 1354 06 37 15 06 39 12 J1532+2344 17 51 01 55.1 604.8 2.3 44.8 35 1354 06 39 12 06 42 12 =1530+239 17 54 02 54.6 605.6 2.3 45.2 180 1377 06 39 13 06 42 38 ARP220 17 54 27 54.8 604.8 2.3 44.7 20 1377 06 42 38 06 52 38 --- 18 04 29 53.1 607.6 2.5 45.9 600 1454 06 42 39 06 53 04 J1532+2344 18 04 55 52.9 608.6 2.5 46.4 21 1454 06 53 04 06 56 04 =1530+239 18 07 55 52.4 609.3 2.6 46.8 180 1477 06 53 05 06 56 29 ARP220 18 08 21 52.5 608.6 2.5 46.4 20 1477 06 56 29 07 06 29 --- 18 18 22 50.8 611.1 2.7 47.3 600 1555 06 56 30 07 06 55 J1532+2344 18 18 48 50.5 612.0 2.8 47.8 21 1555 07 06 55 07 07 55 =1530+239 18 19 48 50.4 612.3 2.8 47.9 60 1562 07 06 56 07 08 15 J1532+2344 18 20 08 50.3 612.4 2.8 47.9 17 1562 07 08 15 07 10 15 =1530+239 18 22 09 50.0 612.8 2.8 48.1 120 1578 07 08 16 07 10 40 ARP220 18 22 34 50.1 612.2 2.8 47.7 20 1578 07 10 40 07 20 40 --- 18 32 36 48.4 614.5 2.9 48.5 600 1655 07 10 41 07 21 06 J1532+2344 18 33 02 48.1 615.4 3.0 48.9 21 1655 07 21 06 07 24 06 =1530+239 18 36 02 47.6 616.0 3.0 49.1 180 1678 07 21 07 07 24 31 ARP220 18 36 28 47.7 615.4 3.0 48.8 21 1678 07 24 31 07 34 31 --- 18 46 29 46.0 617.6 3.2 49.4 600 1756 07 24 32 07 35 25 J1516+1932 18 47 24 40.1 617.5 3.5 47.6 38 1756 07 35 25 07 36 25 =1514+197 18 48 24 39.9 617.7 3.5 47.6 60 1763 07 35 26 07 36 45 J1516+1932 18 48 44 39.8 617.8 3.5 47.7 17 1763 07 36 45 07 37 45 =1514+197 18 49 44 39.7 618.0 3.5 47.7 60 1771 07 36 46 07 38 38 J1532+2344 18 50 37 45.0 619.2 3.3 49.9 37 1771 07 38 38 07 41 38 =1530+239 18 53 37 44.5 619.8 3.3 50.0 180 1794 07 38 39 07 41 59 ARP220 18 53 58 44.7 619.2 3.3 49.8 16 1794 07 41 59 07 51 59 --- 19 04 00 42.9 621.2 3.5 50.2 600 1871 07 42 00 Schedule for MEDICINA (Code Mc ) Page 5 18cm global VLBI observations of Arp220 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 2017 Day 57 --- 07 52 20 J1532+2344 19 04 21 42.6 622.0 3.5 50.4 17 1871 07 52 20 07 55 20 =1530+239 19 07 22 42.1 622.6 3.6 50.5 180 1895 07 52 21 07 55 41 ARP220 19 07 43 42.3 622.0 3.5 50.3 16 1895 07 55 41 08 05 41 --- 19 17 44 40.5 623.9 3.7 50.6 600 1972 07 55 42 08 06 02 J1532+2344 19 18 06 40.2 624.6 3.7 50.8 17 1972 08 06 02 08 07 02 =1530+239 19 19 06 40.0 624.8 3.8 50.8 60 1980 08 06 03 08 07 12 J1532+2344 19 19 16 40.0 624.9 3.8 50.8 7 1980 08 07 12 08 09 12 =1530+239 19 21 16 39.6 625.2 3.8 50.9 120 1995 08 07 13 08 09 33 ARP220 19 21 37 39.8 624.7 3.8 50.7 16 1995 08 09 33 08 19 33 --- 19 31 38 38.0 626.5 3.9 50.9 600 2072 08 09 34 08 19 54 J1532+2344 19 32 00 37.7 627.2 4.0 51.0 16 2072 08 19 54 08 22 54 =1530+239 19 35 00 37.2 627.8 4.0 51.1 180 2096 08 19 55 08 23 14 ARP220 19 35 20 37.4 627.2 4.0 50.9 16 2096 08 23 14 08 33 14 --- 19 45 22 35.6 629.0 4.2 51.0 600 2173 08 23 15 08 34 10 J1516+1932 19 46 18 29.7 628.7 4.5 49.1 39 2173 08 34 10 08 35 10 =1514+197 19 47 18 29.5 628.9 4.5 49.1 60 2181 08 34 11 08 35 20 J1516+1932 19 47 28 29.5 628.9 4.5 49.1 7 2181 08 35 20 08 36 20 =1514+197 19 48 28 29.3 629.1 4.5 49.1 60 2188 08 35 21 08 37 12 J1532+2344 19 49 21 34.6 630.3 4.3 51.1 37 2188 08 37 12 08 40 12 =1530+239 19 52 21 34.1 630.8 4.3 51.1 180 2212 08 37 13 08 40 33 ARP220 19 52 41 34.3 630.3 4.3 51.0 15 2212 08 40 33 08 50 33 --- 20 02 43 32.5 632.0 4.5 51.0 600 2289 08 40 34 08 50 53 J1532+2344 20 03 04 32.2 632.7 4.5 51.0 16 2289 08 50 53 08 53 53 =1530+239 20 06 04 31.6 633.2 4.5 51.0 180 2312 08 50 54 08 54 13 ARP220 20 06 24 31.8 632.7 4.5 50.9 15 2312 08 54 13 09 04 13 --- 20 16 26 30.0 634.3 4.7 50.8 600 2389 08 54 14 09 04 34 J1532+2344 20 16 46 29.7 635.0 4.7 50.9 16 2389 09 04 34 09 05 34 =1530+239 20 17 47 29.6 635.1 4.7 50.8 60 2397 09 04 35 09 05 45 J1532+2344 20 17 58 29.5 635.2 4.7 50.8 9 2397 09 05 45 09 07 45 =1530+239 20 19 59 29.2 635.5 4.8 50.8 120 2413 09 05 46 Schedule for MEDICINA (Code Mc ) Page 6 18cm global VLBI observations of Arp220 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 2017 Day 57 --- 09 08 05 ARP220 20 20 19 29.4 635.0 4.7 50.7 15 2413 09 08 05 09 18 05 --- 20 30 20 27.6 636.7 4.9 50.5 600 2490 09 08 06 09 18 25 J1532+2344 20 30 41 27.3 637.3 5.0 50.6 16 2490 09 18 25 09 21 25 =1530+239 20 33 41 26.7 637.8 5.0 50.5 180 2513 09 18 26 09 21 45 ARP220 20 34 01 26.9 637.3 5.0 50.4 15 2513 09 21 45 09 31 45 --- 20 44 02 25.2 638.9 5.1 50.2 600 2590 09 21 46 09 32 41 J1516+1932 20 44 58 19.2 638.7 5.5 48.4 39 2590 09 32 41 09 33 41 =1514+197 20 45 58 19.1 638.9 5.5 48.3 60 2598 09 32 42 09 33 51 J1516+1932 20 46 08 19.0 638.9 5.5 48.3 7 2598 09 33 51 09 34 51 =1514+197 20 47 09 18.9 639.1 5.5 48.3 60 2606 09 33 52 09 35 43 J1532+2344 20 48 02 24.2 640.1 5.2 50.0 37 2606 09 35 43 09 36 43 =1530+239 20 49 02 24.0 640.2 5.3 50.0 60 2613 09 35 44 09 37 03 ARP220 20 49 21 24.2 639.8 5.2 50.0 15 2613 09 37 03 09 47 03 --- 20 59 23 22.5 641.4 5.4 49.6 600 2691 09 37 04 09 47 23 J1532+2344 20 59 43 22.2 642.0 5.4 49.6 15 2691 09 47 23 09 50 23 =1530+239 21 02 44 21.7 642.4 5.5 49.5 180 2714 09 47 24 09 50 43 ARP220 21 03 03 21.8 642.0 5.5 49.5 15 2714 09 50 43 10 00 43 --- 21 13 05 20.1 643.6 5.6 49.1 600 2791 09 50 44 10 01 03 J1532+2344 21 13 25 19.8 644.2 5.7 49.0 15 2791 10 01 03 10 02 03 =1530+239 21 14 25 19.6 644.3 5.7 49.0 60 2799 10 01 04 10 02 21 J1532+2344 21 14 44 19.6 644.4 5.7 49.0 15 2799 10 02 21 10 04 21 =1530+239 21 16 44 19.2 644.7 5.7 48.9 120 2814 10 02 22 10 04 41 ARP220 21 17 03 19.4 644.2 5.7 48.9 15 2814 10 04 41 10 14 41 --- 21 27 05 17.7 645.8 5.9 48.4 600 2892 10 04 42 10 15 01 J1532+2344 21 27 25 17.4 646.4 5.9 48.3 15 2892 10 15 01 10 18 01 =1530+239 21 30 26 16.9 646.9 5.9 48.2 180 2915 10 15 02 10 18 20 ARP220 21 30 45 17.0 646.4 5.9 48.2 15 2915 10 18 20 10 28 20 --- 21 40 47 15.3 648.0 6.1 47.7 600 2992 10 18 21 10 29 16 J1516+1932 21 41 42 9.4 648.1 6.4 46.0 39 2992 10 29 16 10 30 16 =1514+197 21 42 43 9.2 648.3 6.4 45.9 60 3000 10 29 17 Schedule for MEDICINA (Code Mc ) Page 7 18cm global VLBI observations of Arp220 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 2017 Day 57 --- 10 30 22 J1516+1932 21 42 49 9.2 648.3 6.4 45.9 3 3000 No stop 10 31 22 =1514+197 21 43 49 9.1 648.5 6.4 45.8 60 3008 10 30 17 10 32 14 J1532+2344 21 44 42 14.5 649.1 6.2 47.3 37 3008 10 32 14 10 35 14 =1530+239 21 47 42 14.0 649.6 6.2 47.2 180 3032 10 32 15 10 35 33 ARP220 21 48 01 14.1 649.2 6.2 47.2 15 3032 10 35 33 10 45 33 --- 21 58 03 12.4 650.8 6.4 46.6 600 3109 10 35 34 10 45 53 J1532+2344 21 58 23 12.2 651.3 6.4 46.5 15 3109 10 45 53 10 48 53 =1530+239 22 01 23 11.7 651.8 6.5 46.3 180 3132 10 45 54 10 49 12 ARP220 22 01 43 11.8 651.4 6.4 46.4 15 3132 10 49 12 10 59 12 --- 22 11 44 10.2 653.0 6.6 45.7 600 3209 10 49 13 11 01 06 J1532+2344 22 13 38 9.7 653.8 6.7 45.4 108 3209 11 01 06 11 02 06 =1530+239 22 14 38 9.5 654.0 6.7 45.3 60 3217 11 01 07 11 02 15 J1532+2344 22 14 47 9.5 654.0 6.7 45.3 6 3217 No stop 11 04 15 =1530+239 22 16 47 9.1 654.3 6.7 45.2 120 3234 11 02 07 11 04 30 ARP220 22 17 02 9.3 653.9 6.7 45.3 11 3234 11 04 30 11 14 30 --- 22 27 04 7.7 655.5 6.9 44.5 600 3311 11 04 31 11 14 45 J1532+2344 22 27 19 7.4 656.1 6.9 44.4 11 3311 11 14 45 11 17 45 =1530+239 22 30 20 7.0 656.6 6.9 44.1 180 3334 11 14 46 11 18 00 ARP220 22 30 35 7.1 656.1 6.9 44.3 10 3334 11 18 00 11 28 00 --- 22 40 37 5.5 657.8 7.1 43.5 600 3412 11 18 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess117.L2048glob --- 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: 20 Station: MEDICINA Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 3 11 3 11 5 13 5 13 7 15 7 15 BBC SB= L L U U L L U U L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 B1 D1 B1 D1 B1 D1 B1 D1 The following frequency sets based on these setups were used. Frequency Set: 4 Setup file default. Used with PCAL = off LO sum= 1584.25 1584.25 1584.25 1584.25 1616.25 1616.25 1616.25 1616.25 1648.25 1648.25 1648.25 1648.25 1680.25 1680.25 1680.25 1680.25 BBC fr= 289.25 289.25 289.25 289.25 321.25 321.25 321.25 321.25 353.25 353.25 353.25 353.25 385.25 385.25 385.25 385.25 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= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * 3C318 15 17 50.628003 * 15 20 05.489700 15 20 51.619460 0.00 20 26 53.10030 * 20 16 05.61100 20 12 19.37298 0.00 From catalog imbedded in main SCHED input file. Pos. from https://science.nrao.edu/facilities/vla/observing/callist#R15 * ARP220 15 32 46.905485 * 15 34 57.250000 15 35 41.749984 0.00 23 40 07.75728 * 23 30 11.33000 23 26 41.88094 0.00 From catalog imbedded in main SCHED input file. Pos. from Batejat. et al 2011 * 3C286 13 28 49.657758 * 13 31 08.288051 13 31 56.137992 0.18 J1331+3030 30 45 58.64059 * 30 30 32.95924 30 25 07.99101 0.17 1328+307 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J1331+30 GSFC 2015a astro solution, unpublished 225 observations. 1514+197 15 14 40.985840 * 15 16 56.796162 15 17 43.268587 0.01 * J1516+1932 19 43 10.94252 * 19 32 12.99209 19 28 23.33097 0.02 J1516+19 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 2699 observations. 1530+239 15 30 36.092767 * 15 32 46.345222 15 33 30.823776 0.10 * J1532+2344 23 54 09.32921 * 23 44 05.26804 23 40 33.11927 0.17 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 90 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. 'Core' scans are those for which PREEMPT is not 'EXTRA'. The 'DOSCANS' columns are for scans in the range selected by DOSCANS Those are the scans sent to the Vex and other files Source Setup file Frequency sets Core scans (Hours) DOSCANS (duplicates not shown) Scan Baseline Scan Baseline 3C318 sess117.L2048glob 12 18 0.350 0.917 0.433 0.917 ARP220 sess117.L2048glob 1 2 3 4 5 6 7 8 11 12 18 23 8.331 866.845 9.606 914.411 3C286 sess117.L2048glob 18 0.083 0.000 0.083 0.000 J1516+1932 sess117.L2048glob 1 2 3 4 5 6 7 8 11 12 18 23 0.367 34.836 0.433 36.969 J1532+2344 sess117.L2048glob 1 2 3 4 5 6 7 8 11 12 18 23 2.467 256.869 2.917 272.768 EFFECT OF SOLAR CORONA 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) 3C318 111.1 ARP220 107.8 3C286 134.1 J1516+1932 111.9 J1532+2344 108.3 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