COVER INFORMATION Station: VLBA_FD (Code Fd ) 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 VLBA_FD (Code Fd ) 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: 1504.25 1504.25 1568.25 1568.25 1632.25 1632.25 1696.25 1696.25 Next BBC frequencies: 895.75 895.75 831.75 831.75 767.75 767.75 703.75 703.75 Next scan bandwidths: 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 05 41 01 J1532+2344 09 10 19 7.2 66.7 -6.4 -59.6 0 0 05 41 01 05 44 01 =1530+239 09 13 19 7.8 67.0 -6.3 -59.9 180 46 05 41 02 05 44 27 ARP220 09 13 45 7.3 67.0 -6.4 -59.7 16 46 05 44 27 05 54 27 --- 09 23 47 9.3 68.2 -6.2 -60.5 600 201 05 44 28 05 54 53 J1532+2344 09 24 12 9.9 68.3 -6.2 -60.8 17 201 05 54 53 05 57 53 =1530+239 09 27 13 10.5 68.6 -6.1 -61.0 180 247 05 54 54 05 58 18 ARP220 09 27 38 10.1 68.6 -6.1 -60.9 16 247 05 58 18 06 08 18 --- 09 37 40 12.1 69.8 -6.0 -61.6 600 402 05 58 19 06 08 44 J1532+2344 09 38 06 12.7 69.8 -5.9 -61.9 17 402 06 08 44 06 11 44 =1530+239 09 41 06 13.3 70.2 -5.9 -62.1 180 448 06 08 45 06 12 09 ARP220 09 41 32 12.9 70.2 -5.9 -61.9 16 448 06 12 09 06 22 09 --- 09 51 33 14.9 71.3 -5.7 -62.7 600 603 06 12 10 06 22 35 J1532+2344 09 51 59 15.5 71.4 -5.7 -62.9 17 603 06 22 35 06 25 35 =1530+239 09 54 59 16.2 71.7 -5.6 -63.1 180 649 06 22 36 06 26 00 ARP220 09 55 25 15.7 71.7 -5.7 -62.9 16 649 06 26 00 06 36 00 --- 10 05 27 17.8 72.8 -5.5 -63.6 600 804 06 26 01 06 36 00 J1516+1932 10 05 27 19.7 78.5 -5.2 -63.4 -12 804 06 36 12 06 37 00 =1514+197 10 06 27 19.9 78.6 -5.2 -63.5 48 816 06 36 01 06 37 21 J1516+1932 10 06 48 20.0 78.7 -5.2 -63.5 15 816 06 37 14 06 38 21 =1514+197 10 07 48 20.2 78.8 -5.2 -63.5 60 834 06 37 15 06 39 12 J1532+2344 10 08 39 19.0 73.1 -5.4 -64.0 39 834 06 39 12 06 42 12 =1530+239 10 11 40 19.6 73.5 -5.4 -64.2 180 880 06 39 13 06 42 38 ARP220 10 12 05 19.1 73.5 -5.4 -64.1 16 880 06 42 38 06 52 38 --- 10 22 07 21.2 74.6 -5.2 -64.7 600 1035 06 42 39 06 53 04 J1532+2344 10 22 33 21.8 74.6 -5.2 -64.9 17 1035 06 53 04 06 56 04 =1530+239 10 25 33 22.5 74.9 -5.1 -65.1 180 1081 06 53 05 06 56 29 ARP220 10 25 59 22.0 75.0 -5.2 -64.9 16 1081 06 56 29 07 06 29 --- 10 36 00 24.1 76.0 -5.0 -65.5 600 1236 06 56 30 Schedule for VLBA_FD (Code Fd ) 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 --- 07 06 55 J1532+2344 10 36 26 24.7 76.0 -5.0 -65.8 17 1236 07 06 55 07 07 55 =1530+239 10 37 26 24.9 76.2 -4.9 -65.8 60 1251 07 06 56 07 08 15 J1532+2344 10 37 46 25.0 76.2 -4.9 -65.8 14 1251 07 08 15 07 10 15 =1530+239 10 39 47 25.4 76.4 -4.9 -65.9 120 1282 07 08 16 07 10 40 ARP220 10 40 12 25.0 76.4 -4.9 -65.7 16 1282 07 10 40 07 20 40 --- 10 50 14 27.1 77.5 -4.8 -66.3 600 1437 07 10 41 07 21 06 J1532+2344 10 50 40 27.7 77.5 -4.7 -66.5 17 1437 07 21 06 07 24 06 =1530+239 10 53 40 28.3 77.8 -4.7 -66.7 180 1483 07 21 07 07 24 31 ARP220 10 54 06 27.9 77.9 -4.7 -66.5 16 1483 07 24 31 07 34 31 --- 11 04 07 30.0 78.9 -4.5 -67.0 600 1638 07 24 32 07 35 25 J1516+1932 11 05 02 32.4 85.2 -4.2 -65.4 42 1638 07 35 25 07 36 25 =1514+197 11 06 02 32.6 85.4 -4.2 -65.5 60 1653 07 35 26 07 36 45 J1516+1932 11 06 22 32.7 85.4 -4.2 -65.5 14 1653 07 36 45 07 37 45 =1514+197 11 07 22 32.9 85.5 -4.2 -65.5 60 1668 07 36 46 07 38 38 J1532+2344 11 08 15 31.4 79.3 -4.4 -67.4 40 1668 07 38 38 07 41 38 =1530+239 11 11 15 32.0 79.6 -4.4 -67.5 180 1715 07 38 39 07 41 59 ARP220 11 11 36 31.6 79.7 -4.4 -67.3 12 1715 07 41 59 07 51 59 --- 11 21 38 33.7 80.7 -4.2 -67.8 600 1869 07 42 00 07 52 20 J1532+2344 11 21 59 34.3 80.7 -4.2 -68.0 13 1869 07 52 20 07 55 20 =1530+239 11 25 00 35.0 81.1 -4.1 -68.1 180 1916 07 52 21 07 55 41 ARP220 11 25 21 34.5 81.1 -4.2 -67.9 12 1916 07 55 41 08 05 41 --- 11 35 22 36.6 82.2 -4.0 -68.3 600 2070 07 55 42 08 06 02 J1532+2344 11 35 44 37.2 82.2 -4.0 -68.6 12 2070 08 06 02 08 07 02 =1530+239 11 36 44 37.5 82.3 -3.9 -68.6 60 2086 08 06 03 08 07 12 J1532+2344 11 36 54 37.5 82.3 -3.9 -68.6 4 2086 08 07 12 08 09 12 =1530+239 11 38 54 37.9 82.5 -3.9 -68.7 120 2117 08 07 13 08 09 33 ARP220 11 39 15 37.4 82.6 -3.9 -68.4 12 2117 08 09 33 08 19 33 --- 11 49 16 39.6 83.7 -3.8 -68.8 600 2271 08 09 34 08 19 54 J1532+2344 11 49 38 40.2 83.7 -3.7 -69.0 12 2271 08 19 54 08 22 54 =1530+239 11 52 38 40.9 84.0 -3.7 -69.1 180 2318 08 19 55 Schedule for VLBA_FD (Code Fd ) 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 --- 08 23 14 ARP220 11 52 58 40.4 84.1 -3.7 -68.9 11 2318 08 23 14 08 33 14 --- 12 03 00 42.5 85.2 -3.5 -69.2 600 2472 08 23 15 08 34 10 J1516+1932 12 03 56 45.1 92.6 -3.2 -65.7 42 2472 08 34 10 08 35 10 =1514+197 12 04 56 45.3 92.7 -3.2 -65.7 60 2488 08 34 11 08 35 20 J1516+1932 12 05 06 45.3 92.7 -3.2 -65.7 4 2488 08 35 20 08 36 20 =1514+197 12 06 06 45.5 92.9 -3.2 -65.7 60 2503 08 35 21 08 37 12 J1532+2344 12 06 59 43.9 85.6 -3.4 -69.5 40 2503 08 37 12 08 40 12 =1530+239 12 09 59 44.6 85.9 -3.4 -69.6 180 2550 08 37 13 08 40 33 ARP220 12 10 19 44.1 86.0 -3.4 -69.3 11 2550 08 40 33 08 50 33 --- 12 20 21 46.2 87.1 -3.3 -69.5 600 2704 08 40 34 08 50 53 J1532+2344 12 20 42 46.9 87.1 -3.2 -69.8 12 2704 08 50 53 08 53 53 =1530+239 12 23 42 47.5 87.5 -3.2 -69.8 180 2751 08 50 54 08 54 13 ARP220 12 24 02 47.0 87.6 -3.2 -69.6 11 2751 08 54 13 09 04 13 --- 12 34 04 49.2 88.8 -3.0 -69.7 600 2905 08 54 14 09 04 34 J1532+2344 12 34 24 49.8 88.7 -3.0 -69.9 11 2905 09 04 34 09 05 34 =1530+239 12 35 25 50.0 88.9 -3.0 -69.9 60 2921 09 04 35 09 05 45 J1532+2344 12 35 36 50.1 88.9 -3.0 -69.9 6 2921 09 05 45 09 07 45 =1530+239 12 37 37 50.5 89.1 -2.9 -70.0 120 2952 09 05 46 09 08 05 ARP220 12 37 57 50.0 89.2 -3.0 -69.7 11 2952 09 08 05 09 18 05 --- 12 47 58 52.2 90.5 -2.8 -69.7 600 3106 09 08 06 09 18 25 J1532+2344 12 48 19 52.8 90.5 -2.8 -70.0 11 3106 09 18 25 09 21 25 =1530+239 12 51 19 53.5 90.9 -2.7 -70.0 180 3152 09 18 26 09 21 45 ARP220 12 51 39 53.0 91.0 -2.7 -69.7 11 3152 09 21 45 09 31 45 --- 13 01 40 55.1 92.4 -2.6 -69.6 600 3307 09 21 46 09 32 41 J1516+1932 13 02 36 57.6 102.1 -2.3 -63.2 41 3307 09 32 41 09 33 41 =1514+197 13 03 36 57.8 102.3 -2.2 -63.1 60 3323 09 32 42 09 33 51 J1516+1932 13 03 46 57.8 102.3 -2.2 -63.1 4 3323 09 33 51 09 34 51 =1514+197 13 04 47 58.0 102.5 -2.2 -63.0 60 3338 09 33 52 09 35 43 J1532+2344 13 05 40 56.5 92.8 -2.5 -69.8 38 3338 09 35 43 09 36 43 =1530+239 13 06 40 56.8 93.0 -2.4 -69.8 60 3353 09 35 44 Schedule for VLBA_FD (Code Fd ) 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 --- 09 37 03 ARP220 13 06 59 56.3 93.1 -2.5 -69.5 11 3353 09 37 03 09 47 03 --- 13 17 01 58.4 94.6 -2.3 -69.2 600 3508 09 37 04 09 47 23 J1532+2344 13 17 21 59.0 94.6 -2.3 -69.5 11 3508 09 47 23 09 50 23 =1530+239 13 20 22 59.7 95.1 -2.2 -69.4 180 3554 09 47 24 09 50 43 ARP220 13 20 41 59.2 95.2 -2.3 -69.1 11 3554 09 50 43 10 00 43 --- 13 30 43 61.4 96.9 -2.1 -68.6 600 3709 09 50 44 10 01 03 J1532+2344 13 31 03 62.0 96.9 -2.0 -68.9 11 3709 10 01 03 10 02 03 =1530+239 13 32 03 62.2 97.0 -2.0 -68.8 60 3724 10 01 04 10 02 21 J1532+2344 13 32 22 62.3 97.1 -2.0 -68.8 12 3724 10 02 21 10 04 21 =1530+239 13 34 22 62.7 97.5 -2.0 -68.7 120 3755 10 02 22 10 04 41 ARP220 13 34 41 62.2 97.6 -2.0 -68.4 10 3755 10 04 41 10 14 41 --- 13 44 43 64.3 99.5 -1.8 -67.7 600 3910 10 04 42 10 15 01 J1532+2344 13 45 03 65.0 99.5 -1.8 -67.9 11 3910 10 15 01 10 18 01 =1530+239 13 48 04 65.6 100.1 -1.8 -67.6 180 3956 10 15 02 10 18 20 ARP220 13 48 23 65.1 100.2 -1.8 -67.4 10 3956 10 18 20 10 28 20 --- 13 58 25 67.2 102.5 -1.6 -66.3 600 4111 10 18 21 10 29 16 J1516+1932 13 59 20 69.1 117.7 -1.3 -53.9 37 4111 10 29 16 10 30 16 =1514+197 14 00 21 69.3 118.1 -1.3 -53.6 60 4126 10 29 17 10 30 22 J1516+1932 14 00 27 69.3 118.1 -1.3 -53.6 0 4126 10 30 22 10 31 22 =1514+197 14 01 27 69.5 118.5 -1.3 -53.3 60 4142 10 30 17 10 32 14 J1532+2344 14 02 20 68.6 103.4 -1.5 -66.0 34 4142 10 32 14 10 35 14 =1530+239 14 05 20 69.2 104.2 -1.5 -65.6 180 4188 10 32 15 10 35 33 ARP220 14 05 39 68.7 104.3 -1.5 -65.3 10 4188 10 35 33 10 45 33 --- 14 15 41 70.8 107.2 -1.3 -63.6 600 4343 10 35 34 10 45 53 J1532+2344 14 16 01 71.4 107.3 -1.3 -63.8 11 4343 10 45 53 10 48 53 =1530+239 14 19 01 72.1 108.3 -1.2 -63.1 180 4389 10 45 54 10 49 12 ARP220 14 19 21 71.6 108.3 -1.3 -62.9 10 4389 10 49 12 10 59 12 --- 14 29 22 73.6 112.0 -1.1 -60.4 600 4544 10 49 13 11 01 06 J1532+2344 14 31 16 74.5 112.9 -1.0 -59.9 104 4544 11 01 06 11 02 06 =1530+239 14 32 16 74.7 113.4 -1.0 -59.6 60 4559 11 01 07 Schedule for VLBA_FD (Code Fd ) 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 --- 11 02 15 J1532+2344 14 32 25 74.8 113.5 -1.0 -59.5 3 4559 11 02 12 11 04 15 =1530+239 14 34 25 75.1 114.4 -1.0 -58.9 120 4591 11 02 07 11 04 30 ARP220 14 34 40 74.6 114.2 -1.0 -58.8 6 4591 11 04 30 11 14 30 --- 14 44 42 76.6 119.3 -0.8 -54.9 600 4745 11 04 31 11 14 45 J1532+2344 14 44 57 77.2 119.9 -0.8 -54.5 7 4745 11 14 45 11 17 45 =1530+239 14 47 58 77.7 121.8 -0.8 -53.0 180 4792 11 14 46 11 18 00 ARP220 14 48 13 77.2 121.4 -0.8 -53.2 6 4792 11 18 00 11 28 00 --- 14 58 15 79.0 128.5 -0.6 -47.2 600 4946 11 18 01 11 28 33 3C318 14 58 47 78.4 153.2 -0.4 -24.4 7 4946 11 28 33 11 29 33 --- 14 59 48 78.5 154.3 -0.4 -23.4 60 4962 11 28 34 11 29 44 J1516+1932 14 59 59 78.1 159.2 -0.3 -18.9 0 4962 11 29 44 11 30 44 =1514+197 15 00 59 78.2 160.3 -0.3 -17.9 60 4977 11 29 45 11 30 50 J1516+1932 15 01 05 78.2 160.4 -0.3 -17.8 0 4977 11 30 50 11 31 50 =1514+197 15 02 05 78.3 161.5 -0.3 -16.8 60 4993 11 30 45 11 32 43 J1532+2344 15 02 58 80.3 133.9 -0.5 -42.6 25 4993 11 32 43 11 35 43 =1530+239 15 05 59 80.7 137.0 -0.5 -39.8 180 5039 11 32 44 11 35 58 ARP220 15 06 14 80.3 135.9 -0.5 -40.8 6 5039 11 35 58 11 45 58 --- 15 16 15 81.6 147.8 -0.3 -30.0 600 5194 11 35 59 11 46 13 J1532+2344 15 16 31 82.1 150.5 -0.3 -27.6 6 5194 11 46 13 11 49 13 =1530+239 15 19 31 82.4 155.1 -0.2 -23.3 180 5240 11 46 14 11 49 28 ARP220 15 19 46 82.0 152.8 -0.3 -25.4 5 5240 11 49 28 11 59 28 --- 15 29 48 82.7 169.3 -0.1 -10.0 600 5395 11 49 29 11 59 44 J1532+2344 15 30 03 83.0 173.5 -0.1 -6.1 5 5395 11 59 44 12 00 44 =1530+239 15 31 04 83.0 175.4 -0.0 -4.3 60 5410 11 59 45 12 01 34 J1532+2344 15 31 54 83.0 176.9 -0.0 -2.9 43 5410 12 01 34 12 03 34 =1530+239 15 33 54 83.0 180.7 0.0 0.7 120 5441 12 01 35 12 03 49 ARP220 15 34 09 82.8 177.2 -0.0 -2.7 4 5441 12 03 49 12 13 49 --- 15 44 11 82.6 195.2 0.1 14.2 600 5596 12 03 50 12 14 04 J1532+2344 15 44 26 82.6 199.9 0.2 18.6 4 5596 12 14 04 12 17 04 =1530+239 15 47 27 82.4 204.8 0.2 23.2 180 5642 12 14 05 Schedule for VLBA_FD (Code Fd ) 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 --- 12 17 19 ARP220 15 47 42 82.3 201.1 0.2 19.7 4 5642 12 17 19 12 27 19 --- 15 57 43 81.3 215.6 0.4 33.1 600 5797 12 17 20 12 27 44 J1516+1932 15 58 09 75.6 221.6 0.7 37.3 6 5797 12 27 44 12 28 44 =1514+197 15 59 09 75.4 222.4 0.7 38.0 60 5812 12 27 45 12 28 52 J1516+1932 15 59 17 75.4 222.5 0.7 38.0 2 5812 12 28 51 12 29 52 =1514+197 16 00 17 75.3 223.2 0.7 38.7 60 5828 12 28 45 12 30 14 J1532+2344 16 00 39 80.8 222.5 0.5 39.4 3 5828 12 30 14 12 33 14 =1530+239 16 03 39 80.3 225.7 0.5 42.3 180 5874 12 30 15 12 33 24 ARP220 16 03 50 80.5 222.7 0.5 39.5 0 5874 12 33 24 12 43 24 --- 16 13 51 78.9 232.0 0.6 47.7 600 6029 12 33 25 12 43 35 J1532+2344 16 14 02 78.6 234.7 0.7 50.1 1 6029 12 43 35 12 46 35 =1530+239 16 17 02 78.1 236.9 0.7 51.9 180 6075 12 43 36 12 46 45 ARP220 16 17 13 78.3 234.6 0.7 49.9 1 6075 12 46 45 12 56 45 --- 16 27 14 76.5 241.0 0.9 55.1 600 6230 12 46 46 12 56 56 J1532+2344 16 27 25 76.2 243.1 0.9 56.9 1 6230 12 56 56 12 57 56 =1530+239 16 28 25 76.0 243.6 0.9 57.3 60 6245 12 56 57 12 58 25 J1532+2344 16 28 55 75.9 243.9 0.9 57.5 23 6245 12 58 25 13 00 25 =1530+239 16 30 55 75.5 244.8 1.0 58.3 120 6276 12 58 26 13 00 35 ARP220 16 31 05 75.7 243.1 0.9 56.7 1 6276 13 00 35 13 10 35 --- 16 41 07 73.8 247.6 1.1 60.2 600 6431 13 00 36 13 10 45 J1532+2344 16 41 16 73.4 249.3 1.1 61.5 1 6431 13 10 44 13 13 45 =1530+239 16 44 17 72.8 250.4 1.2 62.3 180 6478 13 10 36 13 13 55 ARP220 16 44 27 73.1 249.0 1.1 61.1 1 6478 13 13 54 13 23 55 --- 16 54 28 71.1 252.4 1.3 63.4 600 6632 13 13 46 13 24 16 J1516+1932 16 54 49 65.4 248.7 1.6 58.2 2 6632 13 24 16 13 25 16 =1514+197 16 55 49 65.2 249.0 1.6 58.4 60 6648 13 24 17 13 25 24 J1516+1932 16 55 58 65.2 249.0 1.6 58.5 3 6648 13 25 22 13 26 24 =1514+197 16 56 58 65.0 249.3 1.7 58.6 60 6664 13 25 17 13 26 47 J1532+2344 16 57 21 70.1 254.6 1.4 64.9 4 6664 13 26 47 13 29 47 =1530+239 17 00 21 69.5 255.4 1.4 65.4 180 6710 13 26 48 Schedule for VLBA_FD (Code Fd ) Page 8 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 --- 13 29 56 ARP220 17 00 31 69.8 254.3 1.4 64.5 1 6710 13 29 56 13 39 56 --- 17 10 33 67.7 256.9 1.6 66.0 600 6865 13 29 48 13 40 06 J1532+2344 17 10 42 67.3 258.0 1.6 66.8 1 6865 13 40 05 13 43 06 =1530+239 17 13 42 66.7 258.7 1.7 67.1 180 6912 13 39 57 13 43 15 ARP220 17 13 52 67.0 257.7 1.6 66.4 1 6912 13 43 14 13 53 15 --- 17 23 53 64.9 259.9 1.8 67.4 600 7067 13 43 07 13 53 24 J1532+2344 17 24 02 64.5 260.9 1.8 68.1 1 7067 13 53 23 13 54 24 =1530+239 17 25 02 64.3 261.1 1.9 68.2 60 7082 13 53 16 13 54 54 J1532+2344 17 25 33 64.2 261.2 1.9 68.2 24 7082 13 54 54 13 56 54 =1530+239 17 27 33 63.8 261.6 1.9 68.3 120 7113 13 54 55 13 57 03 ARP220 17 27 42 64.1 260.7 1.9 67.8 1 7113 13 57 03 14 07 03 --- 17 37 44 62.0 262.6 2.0 68.4 600 7268 13 56 55 14 07 12 J1532+2344 17 37 53 61.6 263.5 2.1 69.0 0 7268 14 07 12 14 10 12 =1530+239 17 40 53 60.9 264.0 2.1 69.1 180 7315 14 07 04 14 10 21 ARP220 17 41 02 61.3 263.2 2.1 68.6 0 7315 14 10 21 14 20 21 --- 17 51 04 59.1 264.9 2.3 69.1 600 7469 14 10 13 14 20 30 J1532+2344 17 51 13 58.7 265.6 2.3 69.5 0 7469 14 20 30 14 21 30 =1530+239 17 52 13 58.5 265.8 2.3 69.6 60 7485 14 20 22 14 22 00 J1532+2344 17 52 43 58.4 265.9 2.3 69.6 24 7485 14 22 00 14 24 00 =1530+239 17 54 43 58.0 266.2 2.4 69.6 120 7516 14 22 01 14 24 09 ARP220 17 54 52 58.3 265.5 2.3 69.2 0 7516 14 24 08 14 34 09 --- 18 04 54 56.2 267.0 2.5 69.5 600 7670 14 24 01 14 34 17 J1532+2344 18 05 02 55.7 267.7 2.5 69.8 0 7670 14 34 17 14 37 17 =1530+239 18 08 03 55.1 268.1 2.6 69.9 180 7717 14 34 10 14 37 26 ARP220 18 08 12 55.5 267.4 2.5 69.5 0 7717 14 37 26 14 47 26 --- 18 18 14 53.3 268.8 2.7 69.7 600 7871 14 37 18 14 47 51 J1516+1932 18 18 38 47.8 265.6 3.0 65.5 6 7871 14 47 51 14 48 51 =1514+197 18 19 38 47.6 265.7 3.0 65.5 60 7887 14 47 52 14 48 57 J1516+1932 18 19 44 47.6 265.8 3.0 65.5 0 7887 14 48 57 14 49 57 =1514+197 18 20 44 47.4 265.9 3.1 65.5 60 7902 14 48 52 Schedule for VLBA_FD (Code Fd ) Page 9 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 --- 14 50 24 J1532+2344 18 21 12 52.3 269.8 2.8 70.0 9 7902 14 50 24 14 53 24 =1530+239 18 24 12 51.6 270.2 2.8 70.0 180 7948 14 50 25 14 53 33 ARP220 18 24 22 52.0 269.6 2.8 69.7 1 7948 14 53 32 15 03 33 --- 18 34 23 49.8 270.9 3.0 69.7 600 8103 14 53 25 15 03 44 J1532+2344 18 34 34 49.4 271.5 3.0 69.9 2 8103 15 03 44 15 06 44 =1530+239 18 37 34 48.8 271.9 3.1 69.9 180 8150 15 03 45 15 06 55 ARP220 18 37 45 49.1 271.3 3.0 69.7 2 8150 15 06 55 15 16 55 --- 18 47 47 46.9 272.5 3.2 69.5 600 8304 15 06 56 15 17 07 J1532+2344 18 47 59 46.5 273.1 3.2 69.7 4 8304 15 17 07 15 20 07 =1530+239 18 51 00 45.9 273.4 3.3 69.7 180 8351 15 17 08 15 20 20 ARP220 18 51 12 46.2 272.9 3.3 69.5 4 8351 15 20 20 15 30 10 --- 19 01 04 44.1 274.0 3.4 69.3 590 8503 15 20 21 15 30 23 J1532+2344 19 01 18 43.7 274.6 3.5 69.5 5 8503 15 30 23 15 31 23 =1530+239 19 02 18 43.4 274.7 3.5 69.4 60 8518 15 30 24 15 31 48 J1532+2344 19 02 43 43.4 274.7 3.5 69.4 19 8518 15 31 48 15 33 48 =1530+239 19 04 43 42.9 275.0 3.5 69.4 120 8549 15 31 49 15 34 00 ARP220 19 04 55 43.3 274.4 3.5 69.2 4 8549 15 34 00 15 44 00 --- 19 14 57 41.1 275.6 3.7 69.0 600 8704 15 34 01 15 44 10 J1532+2344 19 15 07 40.7 276.1 3.7 69.1 1 8704 15 44 09 15 47 10 =1530+239 19 18 07 40.1 276.4 3.7 69.0 180 8750 15 44 01 15 47 19 ARP220 19 18 16 40.4 275.9 3.7 68.9 0 8750 15 47 18 15 57 19 --- 19 28 18 38.3 277.0 3.9 68.6 600 8905 15 47 11 15 57 28 J1532+2344 19 28 27 37.9 277.5 3.9 68.7 0 8905 15 57 27 15 58 28 =1530+239 19 29 27 37.6 277.6 3.9 68.6 60 8920 15 57 20 15 58 57 J1532+2344 19 29 56 37.5 277.7 3.9 68.6 23 8920 15 58 57 16 00 57 =1530+239 19 31 57 37.1 277.9 4.0 68.5 120 8951 15 58 58 16 01 06 ARP220 19 32 06 37.5 277.4 3.9 68.4 1 8951 16 01 06 16 11 06 --- 19 42 07 35.3 278.5 4.1 68.1 600 9106 16 00 58 16 11 15 J1532+2344 19 42 16 34.9 279.0 4.1 68.1 1 9106 16 11 15 16 14 15 =1530+239 19 45 17 34.3 279.3 4.2 68.0 180 9153 16 11 07 Schedule for VLBA_FD (Code Fd ) Page 10 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 --- 16 14 24 ARP220 19 45 26 34.6 278.8 4.2 67.9 0 9153 16 14 24 16 24 24 --- 19 55 27 32.5 279.9 4.3 67.5 600 9307 16 14 16 16 24 44 J1516+1932 19 55 48 27.0 277.7 4.6 64.8 1 9307 16 24 44 16 25 44 =1514+197 19 56 48 26.8 277.8 4.7 64.7 60 9323 16 24 45 16 25 53 J1516+1932 19 56 57 26.7 277.8 4.7 64.7 3 9323 16 25 51 16 26 53 =1514+197 19 57 57 26.5 277.9 4.7 64.7 60 9339 16 25 45 16 27 15 J1532+2344 19 58 19 31.5 280.6 4.4 67.4 4 9339 16 27 15 16 30 15 =1530+239 20 01 19 30.9 280.9 4.5 67.3 180 9385 16 27 16 16 30 24 ARP220 20 01 28 31.2 280.5 4.4 67.3 0 9385 16 30 23 16 40 24 --- 20 11 30 29.1 281.5 4.6 66.8 600 9540 16 30 16 16 40 33 J1532+2344 20 11 39 28.7 282.0 4.6 66.8 0 9540 16 40 32 16 43 33 =1530+239 20 14 39 28.1 282.3 4.7 66.6 180 9586 16 40 25 16 43 42 ARP220 20 14 48 28.4 281.9 4.7 66.6 0 9586 16 43 41 16 53 42 --- 20 24 50 26.3 282.9 4.8 66.1 600 9741 16 43 34 16 53 51 J1532+2344 20 24 59 25.9 283.4 4.9 66.1 0 9741 16 53 50 16 54 51 =1530+239 20 25 59 25.7 283.5 4.9 66.0 60 9756 16 53 43 16 55 20 J1532+2344 20 26 29 25.6 283.5 4.9 66.0 23 9756 16 55 20 16 57 20 =1530+239 20 28 29 25.2 283.7 4.9 65.9 120 9787 16 55 21 16 57 29 ARP220 20 28 38 25.5 283.3 4.9 65.9 0 9787 16 57 29 17 07 29 --- 20 38 39 23.4 284.3 5.0 65.3 600 9942 16 57 21 17 07 38 J1532+2344 20 38 48 23.0 284.8 5.1 65.3 0 9942 17 07 38 17 10 38 =1530+239 20 41 49 22.4 285.1 5.1 65.1 180 9988 17 07 30 17 10 58 J1516+1932 20 42 08 17.2 282.9 5.4 62.8 1 9988 17 10 58 17 11 58 =1514+197 20 43 09 17.0 283.0 5.4 62.8 60 10004 17 10 59 17 12 06 J1516+1932 20 43 17 16.9 283.0 5.4 62.8 2 10004 17 12 04 17 13 06 =1514+197 20 44 18 16.7 283.1 5.4 62.7 60 10020 17 11 59 17 13 28 J1532+2344 20 44 39 21.8 285.4 5.2 64.9 4 10020 17 13 28 17 16 28 =1530+239 20 47 40 21.2 285.7 5.2 64.7 180 10066 17 13 29 17 16 37 ARP220 20 47 49 21.5 285.3 5.2 64.8 0 10066 17 16 36 17 23 07 --- 20 54 20 20.1 286.0 5.3 64.4 390 10166 17 16 29 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess117.L2048glob Matching groups in /home/guest/rmc/SCHED/sched11.4/catalogs/freq_RDBE.dat: v20cm_2 FD filtered above 1760. SC filtered above 1740. ****** Only 511.50 of 512.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 5 Station: VLBA_FD Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 8 DBE type: RDBE_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 Net SB= U U U U U U U U IF SB = L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= L L L L L L L L IF = A C A C A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 14.6 2.4 14.6 The following frequency sets based on these setups were used. See the crd files for VLBA legacy system setups and pcal detection details. Frequency Set: 12 Setup file default. Used with PCAL = off LO sum= 1504.25 1504.25 1568.25 1568.25 1632.25 1632.25 1696.25 1696.25 BBC fr= 895.75 895.75 831.75 831.75 767.75 767.75 703.75 703.75 Bandwd= 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 VLBA legacy crd files using 4 channels based on RDBE channels: 3 4 5 6 CRD fr= 807.75 807.75 743.75 743.75 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 12 13 14 15 16 17 19 20 21 22 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 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