COVER INFORMATION Station: VLBA_NL (Code Nl ) 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_NL (Code Nl ) 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 04 25 52 J1516+1932 08 44 26 6.9 70.0 -6.6 -48.0 0 0 04 25 52 04 27 52 =1514+197 08 46 26 7.3 70.3 -6.5 -48.1 120 31 04 25 53 04 28 40 J1532+2344 08 47 14 7.5 64.8 -6.8 -47.5 36 31 04 28 40 04 31 40 =1530+239 08 50 15 8.0 65.3 -6.7 -47.7 180 77 04 28 41 04 32 05 ARP220 08 50 40 7.6 65.2 -6.8 -47.6 17 77 04 32 05 04 42 05 --- 09 00 42 9.3 66.7 -6.6 -48.3 600 232 04 32 06 04 42 31 J1532+2344 09 01 08 9.9 67.0 -6.5 -48.5 17 232 04 42 31 04 45 31 =1530+239 09 04 08 10.4 67.4 -6.5 -48.8 180 278 04 42 32 04 45 56 ARP220 09 04 34 9.9 67.3 -6.5 -48.6 17 278 04 45 56 04 55 56 --- 09 14 35 11.7 68.9 -6.4 -49.3 600 433 04 45 57 04 56 22 J1532+2344 09 15 01 12.3 69.1 -6.3 -49.5 17 433 04 56 22 04 59 22 =1530+239 09 18 02 12.8 69.6 -6.3 -49.7 180 479 04 56 23 04 59 47 ARP220 09 18 27 12.3 69.5 -6.3 -49.6 17 479 04 59 47 05 09 47 --- 09 28 29 14.1 71.0 -6.1 -50.2 600 634 04 59 48 05 10 13 J1532+2344 09 28 54 14.7 71.2 -6.1 -50.4 17 634 05 10 13 05 13 13 =1530+239 09 31 55 15.2 71.7 -6.0 -50.6 180 680 05 10 14 05 13 38 ARP220 09 32 20 14.8 71.6 -6.1 -50.5 17 680 05 13 38 05 23 38 --- 09 42 22 16.6 73.1 -5.9 -51.1 600 835 05 13 39 05 24 25 J1516+1932 09 43 09 17.5 79.2 -5.6 -51.0 34 835 05 24 25 05 26 25 =1514+197 09 45 09 17.8 79.5 -5.5 -51.1 120 866 05 24 26 05 27 10 J1532+2344 09 45 55 17.7 73.8 -5.8 -51.4 33 866 05 27 10 05 30 10 =1530+239 09 48 55 18.3 74.2 -5.7 -51.6 180 912 05 27 11 05 30 36 ARP220 09 49 20 17.8 74.1 -5.8 -51.4 17 912 05 30 36 05 40 36 --- 09 59 22 19.6 75.6 -5.6 -52.0 600 1067 05 30 37 05 41 01 J1532+2344 09 59 48 20.2 75.8 -5.6 -52.1 17 1067 05 41 01 05 44 01 =1530+239 10 02 48 20.8 76.3 -5.5 -52.3 180 1113 05 41 02 05 44 27 ARP220 10 03 14 20.3 76.2 -5.5 -52.1 17 1113 05 44 27 05 54 27 --- 10 13 15 22.1 77.7 -5.4 -52.6 600 1268 05 44 28 Schedule for VLBA_NL (Code Nl ) 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 --- 05 54 53 J1532+2344 10 13 41 22.7 77.9 -5.3 -52.8 17 1268 05 54 53 05 57 53 =1530+239 10 16 42 23.3 78.4 -5.3 -52.9 180 1314 05 54 54 05 58 18 ARP220 10 17 07 22.8 78.3 -5.3 -52.8 17 1314 05 58 18 06 08 18 --- 10 27 09 24.7 79.8 -5.1 -53.1 600 1469 05 58 19 06 08 44 J1532+2344 10 27 35 25.3 80.0 -5.1 -53.3 17 1469 06 08 44 06 11 44 =1530+239 10 30 35 25.8 80.5 -5.0 -53.4 180 1515 06 08 45 06 12 09 ARP220 10 31 01 25.4 80.4 -5.1 -53.3 17 1515 06 12 09 06 22 09 --- 10 41 02 27.2 81.9 -4.9 -53.6 600 1669 06 12 10 06 22 35 J1532+2344 10 41 28 27.8 82.1 -4.9 -53.8 17 1669 06 22 35 06 25 35 =1530+239 10 44 28 28.4 82.6 -4.8 -53.9 180 1716 06 22 36 06 26 00 ARP220 10 44 54 27.9 82.5 -4.8 -53.7 17 1716 06 26 00 06 36 00 --- 10 54 56 29.8 84.1 -4.7 -54.0 600 1870 06 26 01 06 36 00 J1516+1932 10 54 56 30.8 90.7 -4.4 -52.3 -13 1870 06 36 13 06 37 00 =1514+197 10 55 56 30.9 90.8 -4.4 -52.3 47 1883 06 36 01 06 37 21 J1516+1932 10 56 17 31.0 90.9 -4.4 -52.3 15 1883 06 37 14 06 38 21 =1514+197 10 57 17 31.2 91.1 -4.3 -52.3 60 1900 06 37 15 06 39 12 J1532+2344 10 58 08 30.9 84.7 -4.6 -54.2 38 1900 06 39 12 06 42 12 =1530+239 11 01 09 31.5 85.2 -4.5 -54.2 180 1946 06 39 13 06 42 38 ARP220 11 01 34 31.0 85.1 -4.6 -54.1 17 1946 06 42 38 06 52 38 --- 11 11 36 32.9 86.7 -4.4 -54.2 600 2101 06 42 39 06 53 04 J1532+2344 11 12 02 33.5 86.9 -4.4 -54.4 17 2101 06 53 04 06 56 04 =1530+239 11 15 02 34.1 87.4 -4.3 -54.4 180 2147 06 53 05 06 56 29 ARP220 11 15 28 33.6 87.3 -4.3 -54.3 17 2147 06 56 29 07 06 29 --- 11 25 29 35.5 88.9 -4.2 -54.4 600 2302 06 56 30 07 06 55 J1532+2344 11 25 55 36.1 89.1 -4.1 -54.5 17 2302 07 06 55 07 07 55 =1530+239 11 26 55 36.3 89.3 -4.1 -54.5 60 2317 07 06 56 07 08 15 J1532+2344 11 27 15 36.4 89.4 -4.1 -54.5 14 2317 07 08 15 07 10 15 =1530+239 11 29 16 36.7 89.7 -4.1 -54.5 120 2348 07 08 16 07 10 40 ARP220 11 29 41 36.3 89.6 -4.1 -54.4 17 2348 07 10 40 07 20 40 --- 11 39 43 38.1 91.3 -3.9 -54.4 600 2503 07 10 41 Schedule for VLBA_NL (Code Nl ) 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 --- 07 21 06 J1532+2344 11 40 09 38.8 91.5 -3.9 -54.5 17 2503 07 21 06 07 24 06 =1530+239 11 43 09 39.3 92.0 -3.8 -54.5 180 2549 07 21 07 07 24 31 ARP220 11 43 35 38.9 92.0 -3.9 -54.3 17 2549 07 24 31 07 34 31 --- 11 53 36 40.7 93.7 -3.7 -54.2 600 2704 07 24 32 07 35 25 J1516+1932 11 54 31 41.8 101.5 -3.4 -50.8 41 2704 07 35 25 07 36 25 =1514+197 11 55 31 42.0 101.7 -3.4 -50.8 60 2719 07 35 26 07 36 45 J1516+1932 11 55 51 42.0 101.7 -3.4 -50.8 14 2719 07 36 45 07 37 45 =1514+197 11 56 51 42.2 101.9 -3.3 -50.7 60 2735 07 36 46 07 38 38 J1532+2344 11 57 44 42.0 94.6 -3.6 -54.3 39 2735 07 38 38 07 41 38 =1530+239 12 00 44 42.6 95.1 -3.5 -54.2 180 2781 07 38 39 07 41 59 ARP220 12 01 05 42.1 95.1 -3.6 -54.1 12 2781 07 41 59 07 51 59 --- 12 11 07 44.0 96.9 -3.4 -53.8 600 2936 07 42 00 07 52 20 J1532+2344 12 11 28 44.6 97.1 -3.4 -53.9 13 2936 07 52 20 07 55 20 =1530+239 12 14 29 45.1 97.7 -3.3 -53.8 180 2982 07 52 21 07 55 41 ARP220 12 14 50 44.7 97.6 -3.3 -53.7 12 2982 07 55 41 08 05 41 --- 12 24 51 46.5 99.6 -3.2 -53.3 600 3137 07 55 42 08 06 02 J1532+2344 12 25 13 47.1 99.8 -3.1 -53.4 12 3137 08 06 02 08 07 02 =1530+239 12 26 13 47.3 100.0 -3.1 -53.3 60 3152 08 06 03 08 07 12 J1532+2344 12 26 23 47.3 100.0 -3.1 -53.3 4 3152 08 07 12 08 09 12 =1530+239 12 28 23 47.7 100.5 -3.1 -53.2 120 3183 08 07 13 08 09 33 ARP220 12 28 44 47.2 100.4 -3.1 -53.1 12 3183 08 09 33 08 19 33 --- 12 38 45 49.1 102.4 -2.9 -52.5 600 3338 08 09 34 08 19 54 J1532+2344 12 39 07 49.7 102.7 -2.9 -52.6 12 3338 08 19 54 08 22 54 =1530+239 12 42 07 50.2 103.3 -2.9 -52.4 180 3384 08 19 55 08 23 14 ARP220 12 42 27 49.7 103.2 -2.9 -52.3 11 3384 08 23 14 08 33 14 --- 12 52 29 51.5 105.5 -2.7 -51.6 600 3539 08 23 15 08 34 10 J1516+1932 12 53 25 52.2 115.0 -2.4 -45.8 41 3539 08 34 10 08 35 10 =1514+197 12 54 25 52.4 115.3 -2.4 -45.7 60 3554 08 34 11 08 35 20 J1516+1932 12 54 35 52.4 115.3 -2.4 -45.6 4 3554 08 35 20 08 36 20 =1514+197 12 55 35 52.6 115.6 -2.4 -45.5 60 3570 08 35 21 Schedule for VLBA_NL (Code Nl ) 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 --- 08 37 12 J1532+2344 12 56 28 52.8 106.6 -2.6 -51.3 38 3570 08 37 12 08 40 12 =1530+239 12 59 28 53.3 107.3 -2.6 -51.0 180 3616 08 37 13 08 40 33 ARP220 12 59 48 52.8 107.2 -2.6 -51.0 11 3616 08 40 33 08 50 33 --- 13 09 50 54.6 109.7 -2.4 -50.0 600 3771 08 40 34 08 50 53 J1532+2344 13 10 11 55.2 110.0 -2.4 -49.9 12 3771 08 50 53 08 53 53 =1530+239 13 13 11 55.7 110.8 -2.3 -49.6 180 3817 08 50 54 08 54 13 ARP220 13 13 31 55.3 110.6 -2.4 -49.5 11 3817 08 54 13 09 04 13 --- 13 23 33 57.0 113.3 -2.2 -48.3 600 3971 08 54 14 09 04 34 J1532+2344 13 23 53 57.6 113.7 -2.2 -48.2 12 3971 09 04 34 09 05 34 =1530+239 13 24 54 57.8 114.0 -2.1 -48.1 60 3987 09 04 35 09 05 45 J1532+2344 13 25 05 57.8 114.1 -2.1 -48.0 6 3987 09 05 45 09 07 45 =1530+239 13 27 06 58.1 114.6 -2.1 -47.7 120 4018 09 05 46 09 08 05 ARP220 13 27 26 57.7 114.4 -2.1 -47.7 11 4018 09 08 05 09 18 05 --- 13 37 27 59.3 117.4 -2.0 -46.2 600 4172 09 08 06 09 18 25 J1532+2344 13 37 48 59.9 117.9 -1.9 -46.0 11 4172 09 18 25 09 21 25 =1530+239 13 40 48 60.4 118.9 -1.9 -45.5 180 4219 09 18 26 09 21 45 ARP220 13 41 08 59.9 118.6 -1.9 -45.5 11 4219 09 21 45 09 31 45 --- 13 51 09 61.6 121.9 -1.7 -43.6 600 4373 09 21 46 09 32 41 J1516+1932 13 52 05 61.2 134.3 -1.4 -34.5 39 4373 09 32 41 09 33 41 =1514+197 13 53 05 61.4 134.7 -1.4 -34.2 60 4389 09 32 42 09 33 51 J1516+1932 13 53 15 61.4 134.8 -1.4 -34.1 4 4389 09 33 51 09 34 51 =1514+197 13 54 16 61.5 135.2 -1.4 -33.9 60 4404 09 33 52 09 35 43 J1532+2344 13 55 08 62.7 123.8 -1.6 -42.6 36 4404 09 35 43 09 36 43 =1530+239 13 56 09 62.9 124.2 -1.6 -42.4 60 4420 09 35 44 09 37 03 ARP220 13 56 28 62.4 123.8 -1.7 -42.5 11 4420 09 37 03 09 47 03 --- 14 06 30 63.9 127.7 -1.5 -40.1 600 4574 09 37 04 09 47 23 J1532+2344 14 06 50 64.5 128.3 -1.4 -39.7 11 4574 09 47 23 09 50 23 =1530+239 14 09 51 64.9 129.6 -1.4 -38.9 180 4621 09 47 24 09 50 43 ARP220 14 10 10 64.4 129.2 -1.4 -39.1 11 4621 09 50 43 10 00 43 --- 14 20 12 65.9 133.5 -1.3 -36.1 600 4775 09 50 44 Schedule for VLBA_NL (Code Nl ) 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 --- 10 01 03 J1532+2344 14 20 32 66.4 134.3 -1.2 -35.6 11 4775 10 01 03 10 02 03 =1530+239 14 21 32 66.5 134.8 -1.2 -35.3 60 4791 10 01 04 10 02 21 J1532+2344 14 21 51 66.6 134.9 -1.2 -35.2 12 4791 10 02 21 10 04 21 =1530+239 14 23 51 66.8 135.9 -1.2 -34.5 120 4822 10 02 22 10 04 41 ARP220 14 24 10 66.4 135.3 -1.2 -34.9 11 4822 10 04 41 10 14 41 --- 14 34 12 67.6 140.3 -1.0 -31.3 600 4976 10 04 42 10 15 01 J1532+2344 14 34 32 68.1 141.3 -1.0 -30.6 11 4976 10 15 01 10 18 01 =1530+239 14 37 32 68.5 142.9 -0.9 -29.4 180 5023 10 15 02 10 18 20 ARP220 14 37 52 68.1 142.2 -1.0 -29.9 11 5023 10 18 20 10 28 20 --- 14 47 53 69.1 147.8 -0.8 -25.7 600 5177 10 18 21 10 29 16 J1516+1932 14 48 49 66.9 162.4 -0.5 -13.8 37 5177 10 29 16 10 30 16 =1514+197 14 49 49 66.9 163.0 -0.5 -13.4 60 5193 10 29 17 10 30 22 J1516+1932 14 49 55 66.9 163.1 -0.5 -13.3 0 5193 10 30 22 10 31 22 =1514+197 14 50 56 67.0 163.7 -0.4 -12.9 60 5208 10 30 17 10 32 14 J1532+2344 14 51 49 69.9 151.1 -0.7 -23.2 35 5208 10 32 14 10 35 14 =1530+239 14 54 49 70.2 153.0 -0.6 -21.7 180 5255 10 32 15 10 35 33 ARP220 14 55 08 69.8 152.1 -0.7 -22.4 11 5255 10 35 33 10 45 33 --- 15 05 10 70.6 158.5 -0.5 -17.4 600 5409 10 35 34 10 45 53 J1532+2344 15 05 30 71.0 160.0 -0.5 -16.2 11 5409 10 45 53 10 48 53 =1530+239 15 08 30 71.2 162.0 -0.4 -14.6 180 5455 10 45 54 10 49 12 ARP220 15 08 50 70.8 160.9 -0.4 -15.4 11 5455 10 49 12 10 59 12 --- 15 18 51 71.3 167.8 -0.3 -9.9 600 5610 10 49 13 11 01 06 J1532+2344 15 20 45 71.7 170.6 -0.2 -7.6 104 5610 11 01 06 11 02 06 =1530+239 15 21 45 71.7 171.4 -0.2 -7.0 60 5626 11 01 07 11 02 15 J1532+2344 15 21 54 71.7 171.5 -0.2 -6.9 3 5626 11 02 12 11 04 15 =1530+239 15 23 54 71.8 172.9 -0.2 -5.7 120 5657 11 02 07 11 04 30 ARP220 15 24 09 71.5 171.6 -0.2 -6.8 6 5657 11 04 30 11 14 30 --- 15 34 11 71.7 178.9 -0.0 -0.9 600 5812 11 04 31 11 14 45 J1532+2344 15 34 26 71.9 180.7 0.0 0.6 7 5812 11 14 45 11 17 45 =1530+239 15 37 27 71.9 182.9 0.1 2.4 180 5858 11 14 46 Schedule for VLBA_NL (Code Nl ) 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 --- 11 18 00 ARP220 15 37 42 71.7 181.5 0.0 1.2 6 5858 11 18 00 11 28 00 --- 15 47 44 71.5 188.7 0.2 7.1 600 6013 11 18 01 11 28 33 3C318 15 48 16 67.7 197.1 0.5 13.5 17 6013 11 28 33 11 29 33 --- 15 49 17 67.6 197.7 0.5 14.0 60 6028 11 28 34 11 29 44 J1516+1932 15 49 28 66.7 199.2 0.5 15.1 2 6028 11 29 44 11 30 44 =1514+197 15 50 28 66.6 199.8 0.5 15.5 60 6044 11 29 45 11 30 50 J1516+1932 15 50 34 66.6 199.9 0.5 15.6 0 6044 11 30 50 11 31 50 =1514+197 15 51 34 66.6 200.4 0.6 16.0 60 6059 11 30 45 11 32 43 J1532+2344 15 52 27 71.5 193.8 0.3 11.2 34 6059 11 32 43 11 35 43 =1530+239 15 55 28 71.3 195.9 0.4 12.9 180 6106 11 32 44 11 35 58 ARP220 15 55 43 71.2 194.4 0.3 11.6 6 6106 11 35 58 11 45 58 --- 16 05 44 70.6 201.2 0.5 17.1 600 6260 11 35 59 11 46 13 J1532+2344 16 06 00 70.7 203.0 0.5 18.6 6 6260 11 46 13 11 49 13 =1530+239 16 09 00 70.5 205.0 0.6 20.1 180 6306 11 46 14 11 49 28 ARP220 16 09 15 70.4 203.5 0.6 18.9 6 6306 11 49 28 11 59 28 --- 16 19 17 69.5 209.8 0.7 23.8 600 6461 11 49 29 11 59 44 J1532+2344 16 19 32 69.5 211.5 0.8 25.2 7 6461 11 59 44 12 00 44 =1530+239 16 20 33 69.4 212.1 0.8 25.6 60 6477 11 59 45 12 01 34 J1532+2344 16 21 23 69.3 212.6 0.8 26.0 44 6477 12 01 34 12 03 34 =1530+239 16 23 23 69.1 213.7 0.8 26.9 120 6507 12 01 35 12 03 49 ARP220 16 23 38 69.1 212.3 0.8 25.8 6 6507 12 03 49 12 13 49 --- 16 33 40 68.1 217.9 1.0 30.0 600 6662 12 03 50 12 14 04 J1532+2344 16 33 55 68.0 219.5 1.0 31.2 7 6662 12 14 04 12 17 04 =1530+239 16 36 56 67.6 221.0 1.1 32.3 180 6708 12 14 05 12 17 19 ARP220 16 37 11 67.6 219.7 1.0 31.3 6 6708 12 17 19 12 27 19 --- 16 47 12 66.4 224.7 1.2 34.9 600 6863 12 17 20 12 27 44 J1516+1932 16 47 38 60.7 227.4 1.5 35.6 6 6863 12 27 44 12 28 44 =1514+197 16 48 38 60.5 227.8 1.5 35.9 60 6878 12 27 45 12 28 52 J1516+1932 16 48 46 60.5 227.8 1.5 35.9 2 6878 12 28 50 12 29 52 =1514+197 16 49 46 60.4 228.2 1.5 36.1 60 6894 12 28 45 Schedule for VLBA_NL (Code Nl ) 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 --- 12 30 14 J1532+2344 16 50 08 65.9 227.3 1.3 36.8 2 6894 12 30 14 12 33 14 =1530+239 16 53 08 65.5 228.7 1.3 37.7 180 6941 12 30 15 12 33 24 ARP220 16 53 19 65.6 227.5 1.3 36.8 2 6941 12 33 24 12 43 24 --- 17 03 20 64.1 231.7 1.5 39.6 600 7095 12 33 25 12 43 35 J1532+2344 17 03 31 64.0 233.0 1.5 40.6 2 7095 12 43 35 12 46 35 =1530+239 17 06 31 63.5 234.2 1.6 41.3 180 7142 12 43 36 12 46 45 ARP220 17 06 42 63.6 233.0 1.5 40.5 2 7142 12 46 45 12 56 45 --- 17 16 43 62.1 236.8 1.7 42.9 600 7296 12 46 46 12 56 56 J1532+2344 17 16 54 61.9 238.0 1.7 43.7 2 7296 12 56 56 12 57 56 =1530+239 17 17 54 61.8 238.3 1.7 43.9 60 7312 12 56 57 12 58 25 J1532+2344 17 18 24 61.7 238.5 1.7 44.0 23 7312 12 58 25 13 00 25 =1530+239 17 20 24 61.4 239.2 1.8 44.4 120 7343 12 58 26 13 00 35 ARP220 17 20 34 61.5 238.2 1.7 43.7 2 7343 13 00 35 13 10 35 --- 17 30 36 59.9 241.5 1.9 45.6 600 7497 13 00 36 13 10 45 J1532+2344 17 30 45 59.7 242.6 2.0 46.3 1 7497 13 10 44 13 13 45 =1530+239 17 33 46 59.2 243.5 2.0 46.8 180 7544 13 10 36 13 13 55 ARP220 17 33 56 59.3 242.6 2.0 46.2 1 7544 13 13 53 13 23 55 --- 17 43 57 57.7 245.6 2.1 47.7 600 7699 13 13 46 13 24 16 J1516+1932 17 44 18 51.8 245.6 2.4 46.1 1 7699 13 24 16 13 25 16 =1514+197 17 45 18 51.7 245.9 2.5 46.2 60 7714 13 24 17 13 25 24 J1516+1932 17 45 27 51.6 245.9 2.5 46.2 3 7714 13 25 22 13 26 24 =1514+197 17 46 27 51.5 246.2 2.5 46.4 60 7730 13 25 17 13 26 47 J1532+2344 17 46 50 57.0 247.3 2.2 48.7 3 7730 13 26 47 13 29 47 =1530+239 17 49 50 56.4 248.1 2.3 49.1 180 7777 13 26 48 13 29 56 ARP220 17 50 00 56.6 247.3 2.2 48.6 1 7777 13 29 55 13 39 56 --- 18 00 01 54.9 250.0 2.4 49.8 600 7932 13 29 48 13 40 06 J1532+2344 18 00 11 54.6 250.9 2.4 50.3 1 7932 13 40 05 13 43 06 =1530+239 18 03 11 54.1 251.6 2.5 50.6 180 7978 13 39 57 13 43 15 ARP220 18 03 20 54.3 250.8 2.5 50.1 1 7978 13 43 14 13 53 15 --- 18 13 22 52.5 253.2 2.6 51.1 600 8133 13 43 07 Schedule for VLBA_NL (Code Nl ) 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 --- 13 53 24 J1532+2344 18 13 31 52.3 254.1 2.7 51.5 1 8133 13 53 23 13 54 24 =1530+239 18 14 31 52.1 254.3 2.7 51.6 60 8149 13 53 16 13 54 54 J1532+2344 18 15 02 52.0 254.4 2.7 51.7 24 8149 13 54 54 13 56 54 =1530+239 18 17 02 51.6 254.9 2.7 51.8 120 8180 13 54 55 13 57 03 ARP220 18 17 11 51.8 254.1 2.7 51.4 1 8180 13 57 02 14 07 03 --- 18 27 13 50.0 256.4 2.9 52.2 600 8335 13 56 55 14 07 12 J1532+2344 18 27 22 49.8 257.2 2.9 52.6 1 8335 14 07 11 14 10 12 =1530+239 18 30 22 49.2 257.8 2.9 52.8 180 8381 14 07 04 14 10 21 ARP220 18 30 31 49.4 257.1 2.9 52.4 1 8381 14 10 20 14 20 21 --- 18 40 33 47.6 259.2 3.1 53.0 600 8536 14 10 13 14 20 30 J1532+2344 18 40 41 47.3 260.0 3.1 53.3 1 8536 14 20 29 14 21 30 =1530+239 18 41 42 47.1 260.2 3.1 53.4 60 8552 14 20 22 14 22 00 J1532+2344 18 42 12 47.0 260.3 3.1 53.4 24 8552 14 22 00 14 24 00 =1530+239 18 44 12 46.7 260.7 3.2 53.5 120 8583 14 22 01 14 24 09 ARP220 18 44 21 46.9 260.0 3.1 53.2 1 8583 14 24 08 14 34 09 --- 18 54 23 45.1 262.0 3.3 53.6 600 8738 14 24 01 14 34 17 J1532+2344 18 54 31 44.8 262.7 3.4 53.9 1 8738 14 34 17 14 37 17 =1530+239 18 57 32 44.2 263.2 3.4 54.0 180 8784 14 34 10 14 37 26 ARP220 18 57 41 44.5 262.6 3.4 53.7 1 8784 14 37 25 14 47 26 --- 19 07 43 42.6 264.5 3.5 54.0 600 8939 14 37 18 14 47 51 J1516+1932 19 08 07 36.8 263.7 3.8 51.8 4 8939 14 47 51 14 48 51 =1514+197 19 09 07 36.6 263.9 3.9 51.9 60 8954 14 47 52 14 48 57 J1516+1932 19 09 13 36.6 263.9 3.9 51.9 0 8954 14 48 57 14 49 57 =1514+197 19 10 13 36.4 264.1 3.9 51.9 60 8970 14 48 52 14 50 24 J1532+2344 19 10 40 41.8 265.6 3.6 54.3 8 8970 14 50 24 14 53 24 =1530+239 19 13 41 41.2 266.2 3.7 54.3 180 9016 14 50 25 14 53 33 ARP220 19 13 51 41.5 265.6 3.6 54.1 2 9016 14 53 32 15 03 33 --- 19 23 52 39.6 267.3 3.8 54.3 600 9171 14 53 25 15 03 44 J1532+2344 19 24 03 39.3 268.0 3.8 54.5 2 9171 15 03 44 15 06 44 =1530+239 19 27 03 38.7 268.5 3.9 54.5 180 9218 15 03 45 Schedule for VLBA_NL (Code Nl ) 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 --- 15 06 55 ARP220 19 27 14 39.0 267.9 3.9 54.3 3 9218 15 06 55 15 16 55 --- 19 37 16 37.1 269.6 4.0 54.4 600 9372 15 06 56 15 17 07 J1532+2344 19 37 28 36.8 270.3 4.1 54.5 4 9372 15 17 07 15 20 07 =1530+239 19 40 29 36.2 270.8 4.1 54.5 180 9419 15 17 08 15 20 20 ARP220 19 40 41 36.5 270.2 4.1 54.4 5 9419 15 20 20 15 30 10 --- 19 50 33 34.6 271.8 4.2 54.3 590 9571 15 20 21 15 30 23 J1532+2344 19 50 46 34.3 272.4 4.3 54.5 5 9571 15 30 23 15 31 23 =1530+239 19 51 47 34.1 272.6 4.3 54.4 60 9586 15 30 24 15 31 48 J1532+2344 19 52 12 34.0 272.7 4.3 54.4 19 9586 15 31 48 15 33 48 =1530+239 19 54 12 33.7 273.0 4.3 54.4 120 9617 15 31 49 15 34 00 ARP220 19 54 24 33.9 272.4 4.3 54.3 4 9617 15 34 00 15 44 00 --- 20 04 26 32.0 274.0 4.5 54.2 600 9772 15 34 01 15 44 10 J1532+2344 20 04 36 31.7 274.6 4.5 54.3 2 9772 15 44 08 15 47 10 =1530+239 20 07 36 31.2 275.1 4.6 54.2 180 9819 15 44 01 15 47 19 ARP220 20 07 45 31.4 274.6 4.5 54.1 1 9819 15 47 18 15 57 19 --- 20 17 47 29.6 276.1 4.7 53.9 600 9973 15 47 11 15 57 28 J1532+2344 20 17 56 29.3 276.7 4.7 54.0 1 9973 15 57 27 15 58 28 =1530+239 20 18 56 29.1 276.9 4.8 54.0 60 9989 15 57 20 15 58 57 J1532+2344 20 19 25 29.0 276.9 4.8 53.9 23 9989 15 58 57 16 00 57 =1530+239 20 21 26 28.6 277.2 4.8 53.9 120 10020 15 58 58 16 01 06 ARP220 20 21 35 28.8 276.7 4.8 53.8 1 10020 16 01 05 16 11 06 --- 20 31 36 27.0 278.3 4.9 53.6 600 10175 16 00 58 16 11 15 J1532+2344 20 31 45 26.7 278.8 5.0 53.6 1 10175 16 11 14 16 14 15 =1530+239 20 34 46 26.1 279.3 5.0 53.5 180 10222 16 11 07 16 14 24 ARP220 20 34 55 26.4 278.8 5.0 53.5 1 10222 16 14 23 16 24 24 --- 20 44 56 24.5 280.3 5.2 53.1 600 10376 16 14 16 16 24 44 J1516+1932 20 45 16 18.7 279.7 5.5 51.2 0 10376 16 24 44 16 25 44 =1514+197 20 46 17 18.6 279.9 5.5 51.2 60 10392 16 24 45 16 25 53 J1516+1932 20 46 26 18.5 279.9 5.5 51.2 3 10392 16 25 50 16 26 53 =1514+197 20 47 26 18.3 280.1 5.5 51.2 60 10408 16 25 45 Schedule for VLBA_NL (Code Nl ) Page 11 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 27 15 J1532+2344 20 47 48 23.8 281.3 5.2 53.0 2 10408 16 27 15 16 30 15 =1530+239 20 50 48 23.2 281.7 5.3 52.9 180 10454 16 27 16 16 30 24 ARP220 20 50 57 23.4 281.2 5.3 52.9 1 10454 16 30 23 16 40 24 --- 21 00 59 21.6 282.7 5.4 52.5 600 10609 16 30 16 16 40 33 J1532+2344 21 01 08 21.3 283.3 5.5 52.4 1 10609 16 40 32 16 43 33 =1530+239 21 04 08 20.8 283.7 5.5 52.3 180 10656 16 40 25 16 43 42 ARP220 21 04 17 21.0 283.2 5.5 52.3 1 10656 16 43 41 16 53 42 --- 21 14 19 19.2 284.7 5.6 51.8 600 10811 16 43 34 17 10 58 J1516+1932 21 31 37 10.3 286.9 6.2 49.2 1016 10811 17 10 58 17 11 58 =1514+197 21 32 38 10.2 287.1 6.2 49.1 60 10826 17 10 59 17 12 06 J1516+1932 21 32 46 10.1 287.1 6.3 49.1 3 10826 17 12 04 17 13 06 =1514+197 21 33 46 10.0 287.3 6.3 49.1 60 10842 17 11 59 17 13 28 J1532+2344 21 34 08 15.4 288.2 6.0 50.7 2 10842 17 13 28 17 16 28 =1530+239 21 37 09 14.9 288.7 6.1 50.5 180 10889 17 13 29 17 16 37 ARP220 21 37 18 15.1 288.2 6.0 50.6 1 10889 17 16 36 17 23 07 --- 21 43 49 13.9 289.1 6.1 50.2 390 10990 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: 3 Station: VLBA_NL 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