COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: 3.6cm global VLBI observations of Arp220 Exp. Code: GV023 Schedule Version: 2.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Eskil Varenius Address: Jodrell Bank Observatory, The University of Manchester Lower Withington, Macclesfield Cheshire, SK11 9DL UK Phone: +46706755341 EMAIL: eskil.varenius@manchester.ac.uk Fax: Phone during observation: +46706755341 Observing mode: 3.6cm 2Gbps global VLBI (EVN+VLBA) Notes: Phase calibrator: J1532+2344 Fringe finder / pol. cal / bandpass cal: J1516+1932 Schedule for VLBA_MK (Code Mk ) Page 2 3.6cm 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 ---------------------------------------------------------------------------------------- --- Fri 20 Oct 2017 Day 293 --- Next scan frequencies: 8240.00 8240.00 8304.00 8304.00 8368.00 8368.00 8432.00 8432.00 Next BBC frequencies: 640.00 640.00 704.00 704.00 768.00 768.00 832.00 832.00 Next scan bandwidths: 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 17 37 44 J1532+2344 09 13 23 3.5 66.1 -6.3 -69.9 0 0 17 37 44 17 39 34 =1530+239 09 15 24 3.9 66.2 -6.3 -70.1 110 28 17 37 45 17 39 54 ARP220 09 15 34 3.4 66.3 -6.3 -69.9 11 28 17 39 54 17 43 54 --- 09 19 35 4.3 66.6 -6.3 -70.2 240 90 17 39 55 17 44 24 J1532+2344 09 20 05 4.9 66.6 -6.2 -70.5 21 90 17 44 24 17 46 14 =1530+239 09 22 05 5.3 66.7 -6.2 -70.7 110 119 17 44 25 17 46 34 ARP220 09 22 15 4.8 66.8 -6.2 -70.5 11 119 17 46 34 17 50 34 --- 09 26 16 5.7 67.1 -6.2 -70.9 240 180 17 46 35 ---------- BLOCK 6 FINISHED ---------- 17 51 34 J1516+1932 09 27 16 8.6 72.3 -5.8 -72.0 46 180 17 51 34 17 54 34 =1514+197 09 30 17 9.3 72.5 -5.8 -72.2 180 227 17 51 35 17 55 37 J1532+2344 09 31 19 7.3 67.4 -6.0 -71.6 50 227 17 55 37 17 57 27 =1530+239 09 33 20 7.8 67.6 -6.0 -71.7 110 255 17 55 38 17 57 47 ARP220 09 33 30 7.3 67.6 -6.0 -71.5 11 255 17 57 47 18 01 47 --- 09 37 30 8.1 67.9 -6.0 -71.9 240 317 17 57 48 18 02 17 J1532+2344 09 38 01 8.8 67.9 -5.9 -72.2 21 317 18 02 17 18 04 07 =1530+239 09 40 01 9.2 68.0 -5.9 -72.3 110 345 18 02 18 18 04 27 ARP220 09 40 11 8.7 68.1 -5.9 -72.1 11 345 18 04 27 18 08 27 --- 09 44 11 9.6 68.4 -5.9 -72.5 240 407 18 04 28 18 08 57 J1532+2344 09 44 42 10.3 68.4 -5.8 -72.7 21 407 18 08 57 18 10 47 =1530+239 09 46 42 10.7 68.5 -5.8 -72.9 110 435 18 08 58 18 11 07 ARP220 09 46 52 10.2 68.6 -5.8 -72.7 11 435 18 11 07 18 15 07 --- 09 50 52 11.1 68.9 -5.7 -73.1 240 497 18 11 08 18 15 37 J1532+2344 09 51 23 11.7 68.8 -5.7 -73.3 21 497 18 15 37 18 17 27 =1530+239 09 53 23 12.2 69.0 -5.7 -73.5 110 526 18 15 38 18 17 46 ARP220 09 53 33 11.7 69.0 -5.7 -73.3 11 526 18 17 46 18 21 46 --- 09 57 33 12.5 69.3 -5.6 -73.6 240 587 18 17 47 Schedule for VLBA_MK (Code Mk ) Page 3 3.6cm 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 ---------------------------------------------------------------------------------------- --- Fri 20 Oct 2017 Day 293 --- 18 22 16 J1532+2344 09 58 03 13.2 69.3 -5.6 -73.9 21 587 18 22 16 18 24 06 =1530+239 10 00 04 13.6 69.4 -5.6 -74.1 110 616 18 22 17 18 24 26 ARP220 10 00 14 13.1 69.5 -5.6 -73.9 11 616 18 24 26 18 28 26 --- 10 04 14 14.0 69.8 -5.5 -74.2 240 678 18 24 27 18 28 56 J1532+2344 10 04 44 14.7 69.7 -5.5 -74.5 21 678 18 28 56 18 30 46 =1530+239 10 06 45 15.1 69.8 -5.4 -74.6 110 706 18 28 57 18 31 06 ARP220 10 06 54 14.6 69.9 -5.5 -74.4 11 706 18 31 06 18 35 06 --- 10 10 55 15.5 70.2 -5.4 -74.8 240 768 18 31 07 18 35 36 J1532+2344 10 11 25 16.1 70.1 -5.4 -75.0 21 768 18 35 36 18 37 26 =1530+239 10 13 25 16.6 70.2 -5.3 -75.2 110 796 18 35 37 18 37 45 ARP220 10 13 35 16.1 70.3 -5.4 -75.0 11 796 18 37 45 18 41 45 --- 10 17 36 17.0 70.6 -5.3 -75.3 240 858 18 37 46 18 42 15 J1532+2344 10 18 06 17.6 70.5 -5.3 -75.6 21 858 18 42 15 18 44 05 =1530+239 10 20 06 18.1 70.6 -5.2 -75.8 110 886 18 42 16 18 44 25 ARP220 10 20 16 17.6 70.7 -5.3 -75.5 11 886 18 44 25 18 48 25 --- 10 24 16 18.4 71.0 -5.2 -75.8 240 948 18 44 26 ---------- BLOCK 7 FINISHED ---------- 18 49 10 J1516+1932 10 25 01 21.7 76.2 -4.9 -75.8 30 948 18 49 10 18 52 10 =1514+197 10 28 02 22.4 76.4 -4.8 -75.9 180 994 18 49 11 18 53 03 J1532+2344 10 28 55 20.0 71.1 -5.1 -76.5 40 994 18 53 03 18 54 53 =1530+239 10 30 56 20.5 71.3 -5.0 -76.6 110 1023 18 53 04 18 55 13 ARP220 10 31 05 20.0 71.4 -5.1 -76.4 11 1023 18 55 13 18 59 13 --- 10 35 06 20.9 71.6 -5.0 -76.7 240 1085 18 55 14 18 59 43 J1532+2344 10 35 36 21.5 71.5 -5.0 -77.0 21 1085 18 59 43 19 01 33 =1530+239 10 37 36 22.0 71.6 -4.9 -77.2 110 1113 18 59 44 19 01 52 ARP220 10 37 46 21.5 71.8 -5.0 -76.9 11 1113 19 01 52 19 05 52 --- 10 41 46 22.3 72.0 -4.9 -77.2 240 1175 19 01 53 19 06 22 J1532+2344 10 42 16 23.0 71.9 -4.9 -77.5 21 1175 19 06 22 19 08 12 =1530+239 10 44 17 23.4 72.0 -4.8 -77.7 110 1203 19 06 23 Schedule for VLBA_MK (Code Mk ) Page 4 3.6cm 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 ---------------------------------------------------------------------------------------- --- Fri 20 Oct 2017 Day 293 --- 19 08 31 ARP220 10 44 26 22.9 72.1 -4.9 -77.4 10 1203 19 08 31 19 12 31 --- 10 48 27 23.8 72.3 -4.8 -77.8 240 1265 19 08 32 19 13 01 J1532+2344 10 48 57 24.5 72.2 -4.7 -78.1 21 1265 19 13 01 19 14 51 =1530+239 10 50 57 24.9 72.3 -4.7 -78.2 110 1293 19 13 02 19 15 11 ARP220 10 51 06 24.4 72.5 -4.7 -78.0 10 1293 19 15 11 19 19 11 --- 10 55 07 25.3 72.7 -4.7 -78.3 240 1355 19 15 12 19 19 41 J1532+2344 10 55 37 26.0 72.6 -4.6 -78.6 21 1355 19 19 41 19 21 31 =1530+239 10 57 37 26.4 72.7 -4.6 -78.8 110 1384 19 19 42 19 21 50 ARP220 10 57 47 25.9 72.8 -4.6 -78.5 10 1384 19 21 50 19 25 50 --- 11 01 47 26.8 73.0 -4.6 -78.8 240 1445 19 21 51 19 26 20 J1532+2344 11 02 17 27.5 72.9 -4.5 -79.1 21 1445 19 26 20 19 28 10 =1530+239 11 04 18 27.9 73.0 -4.5 -79.3 110 1474 19 26 21 19 28 29 ARP220 11 04 27 27.4 73.2 -4.5 -79.0 10 1474 19 28 29 19 32 29 --- 11 08 28 28.3 73.4 -4.5 -79.3 240 1536 19 28 30 19 32 59 J1532+2344 11 08 58 29.0 73.2 -4.4 -79.6 21 1536 19 32 59 19 34 49 =1530+239 11 10 58 29.4 73.3 -4.4 -79.8 110 1564 19 33 00 19 35 05 ARP220 11 11 04 28.9 73.5 -4.4 -79.5 7 1564 19 35 05 19 39 05 --- 11 15 04 29.8 73.7 -4.3 -79.8 240 1626 19 35 06 19 39 30 J1532+2344 11 15 30 30.5 73.5 -4.3 -80.1 17 1626 19 39 30 19 41 20 =1530+239 11 17 30 30.9 73.6 -4.3 -80.3 110 1654 19 39 31 19 41 36 ARP220 11 17 36 30.4 73.8 -4.3 -80.0 7 1654 19 41 36 19 45 36 --- 11 21 36 31.3 74.0 -4.2 -80.3 240 1716 19 41 37 ---------- BLOCK 8 FINISHED ---------- 19 46 02 J1516+1932 11 22 03 34.8 79.6 -3.9 -78.9 11 1716 19 46 02 19 49 02 =1514+197 11 25 03 35.5 79.7 -3.9 -79.1 180 1762 19 46 03 19 49 38 J1532+2344 11 25 40 32.8 74.0 -4.1 -80.9 22 1762 19 49 38 19 51 28 =1530+239 11 27 40 33.2 74.1 -4.1 -81.1 110 1791 19 49 39 19 51 44 ARP220 11 27 46 32.7 74.2 -4.1 -80.8 7 1791 19 51 44 19 55 44 --- 11 31 46 33.6 74.4 -4.1 -81.1 240 1852 19 51 45 Schedule for VLBA_MK (Code Mk ) Page 5 3.6cm 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 ---------------------------------------------------------------------------------------- --- Fri 20 Oct 2017 Day 293 --- 19 56 10 J1532+2344 11 32 12 34.2 74.3 -4.0 -81.4 17 1852 19 56 10 19 58 00 =1530+239 11 34 12 34.7 74.3 -4.0 -81.6 110 1881 19 56 11 19 58 15 ARP220 11 34 18 34.2 74.5 -4.0 -81.3 7 1881 19 58 15 20 02 15 --- 11 38 19 35.1 74.7 -4.0 -81.6 240 1943 19 58 16 20 02 41 J1532+2344 11 38 44 35.7 74.5 -3.9 -81.9 17 1943 20 02 41 20 04 31 =1530+239 11 40 44 36.2 74.6 -3.9 -82.1 110 1971 20 02 42 20 04 46 ARP220 11 40 50 35.7 74.8 -3.9 -81.8 7 1971 20 04 46 20 08 46 --- 11 44 51 36.6 75.0 -3.8 -82.1 240 2033 20 04 47 20 09 12 J1532+2344 11 45 16 37.2 74.8 -3.8 -82.4 17 2033 20 09 12 20 11 02 =1530+239 11 47 17 37.7 74.8 -3.8 -82.6 110 2061 20 09 13 20 11 17 ARP220 11 47 22 37.1 75.1 -3.8 -82.3 7 2061 20 11 17 20 15 17 --- 11 51 23 38.1 75.2 -3.7 -82.6 240 2123 20 11 18 20 15 43 J1532+2344 11 51 48 38.7 75.0 -3.7 -83.0 17 2123 20 15 43 20 17 33 =1530+239 11 53 49 39.1 75.1 -3.7 -83.1 110 2151 20 15 44 20 17 48 ARP220 11 53 54 38.6 75.3 -3.7 -82.8 7 2151 20 17 48 20 21 48 --- 11 57 55 39.5 75.5 -3.6 -83.1 240 2213 20 17 49 20 22 14 J1532+2344 11 58 20 40.2 75.2 -3.6 -83.5 17 2213 20 22 14 20 24 04 =1530+239 12 00 21 40.6 75.3 -3.6 -83.6 110 2241 20 22 15 20 24 19 ARP220 12 00 26 40.1 75.5 -3.6 -83.3 7 2241 20 24 19 20 28 19 --- 12 04 27 41.0 75.7 -3.5 -83.6 240 2303 20 24 20 20 28 45 J1532+2344 12 04 53 41.7 75.5 -3.5 -84.0 17 2303 20 28 45 20 30 35 =1530+239 12 06 53 42.1 75.5 -3.4 -84.1 110 2332 20 28 46 20 30 50 ARP220 12 06 58 41.6 75.8 -3.5 -83.8 7 2332 20 30 50 20 34 50 --- 12 10 59 42.5 75.9 -3.4 -84.1 240 2393 20 30 51 20 35 16 J1532+2344 12 11 25 43.1 75.7 -3.4 -84.5 17 2393 20 35 16 20 37 06 =1530+239 12 13 25 43.6 75.7 -3.3 -84.7 110 2422 20 35 17 20 37 21 ARP220 12 13 31 43.1 76.0 -3.4 -84.3 7 2422 20 37 21 20 41 21 --- 12 17 31 44.0 76.1 -3.3 -84.6 240 2484 20 37 22 Schedule for VLBA_MK (Code Mk ) Page 6 3.6cm 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 ---------------------------------------------------------------------------------------- --- Fri 20 Oct 2017 Day 293 --- ---------- BLOCK 9 FINISHED ---------- 20 41 49 J1516+1932 12 17 59 47.8 82.5 -3.0 -81.7 12 2484 20 41 49 20 44 49 =1514+197 12 21 00 48.5 82.7 -2.9 -81.8 180 2530 20 41 50 20 45 15 J1532+2344 12 21 25 45.4 75.9 -3.2 -85.3 11 2530 20 45 15 20 47 15 =1530+239 12 23 26 45.9 76.0 -3.2 -85.5 120 2561 20 45 16 20 47 25 ARP220 12 23 36 45.4 76.3 -3.2 -85.1 2 2561 20 47 25 20 51 25 --- 12 27 37 46.3 76.4 -3.1 -85.4 240 2623 20 47 26 20 51 36 J1532+2344 12 27 48 46.9 76.1 -3.1 -85.8 2 2623 20 51 36 20 53 36 =1530+239 12 29 48 47.3 76.2 -3.1 -86.0 120 2654 20 51 37 20 53 46 ARP220 12 29 58 46.9 76.4 -3.1 -85.6 2 2654 20 53 46 20 57 46 --- 12 33 59 47.8 76.5 -3.0 -85.9 240 2716 20 53 47 20 57 57 J1532+2344 12 34 09 48.3 76.3 -3.0 -86.4 1 2716 20 57 57 20 59 57 =1530+239 12 36 10 48.8 76.3 -3.0 -86.5 120 2746 20 57 58 21 00 07 ARP220 12 36 20 48.3 76.6 -3.0 -86.1 1 2746 21 00 07 21 04 07 --- 12 40 21 49.2 76.7 -2.9 -86.4 240 2808 21 00 08 21 04 17 J1532+2344 12 40 31 49.8 76.4 -2.9 -86.9 2 2808 21 04 17 21 06 17 =1530+239 12 42 31 50.2 76.4 -2.8 -87.1 120 2839 21 04 18 21 06 28 ARP220 12 42 42 49.8 76.7 -2.9 -86.6 2 2839 21 06 28 21 10 28 --- 12 46 42 50.7 76.8 -2.8 -87.0 240 2901 21 06 29 21 10 38 J1532+2344 12 46 53 51.2 76.5 -2.8 -87.4 2 2901 21 10 38 21 12 38 =1530+239 12 48 53 51.7 76.5 -2.7 -87.6 120 2932 21 10 39 21 12 49 ARP220 12 49 04 51.2 76.9 -2.8 -87.2 2 2932 21 12 49 21 16 49 --- 12 53 04 52.2 76.9 -2.7 -87.5 240 2994 21 12 50 21 16 59 J1532+2344 12 53 15 52.7 76.6 -2.7 -88.0 2 2994 21 16 59 21 18 59 =1530+239 12 55 15 53.2 76.6 -2.6 -88.2 120 3025 21 17 00 21 19 10 ARP220 12 55 26 52.7 77.0 -2.7 -87.7 1 3025 21 19 10 21 23 10 --- 12 59 26 53.6 77.0 -2.6 -88.1 240 3087 21 19 11 21 23 20 J1532+2344 12 59 37 54.2 76.7 -2.6 -88.6 1 3087 21 23 20 21 25 20 =1530+239 13 01 37 54.6 76.7 -2.5 -88.8 120 3117 21 23 21 Schedule for VLBA_MK (Code Mk ) Page 7 3.6cm 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 ---------------------------------------------------------------------------------------- --- Fri 20 Oct 2017 Day 293 --- 21 25 30 ARP220 13 01 47 54.1 77.1 -2.6 -88.3 1 3117 21 25 30 21 29 30 --- 13 05 48 55.1 77.1 -2.5 -88.6 240 3179 21 25 31 21 29 40 J1532+2344 13 05 58 55.6 76.7 -2.5 -89.2 1 3179 21 29 40 21 31 40 =1530+239 13 07 58 56.1 76.7 -2.4 -89.4 120 3210 21 29 41 21 31 50 ARP220 13 08 08 55.6 77.1 -2.5 -88.9 1 3210 21 31 50 21 35 50 --- 13 12 09 56.5 77.2 -2.4 -89.2 240 3272 21 31 51 ---------- BLOCK 10 FINISHED ---------- 21 36 11 J1516+1932 13 12 30 60.6 85.2 -2.1 -84.0 4 3272 21 36 11 21 39 11 =1514+197 13 15 30 61.3 85.4 -2.0 -84.1 180 3318 21 36 12 21 39 31 J1532+2344 13 15 50 57.9 76.7 -2.3 -90.2 5 3318 21 39 31 21 41 31 =1530+239 13 17 51 58.3 76.7 -2.3 -90.4 120 3349 21 39 32 21 41 41 ARP220 13 18 00 57.9 77.2 -2.3 -89.8 1 3349 21 41 40 21 45 41 --- 13 22 01 58.8 77.2 -2.2 -90.2 240 3411 21 41 32 21 45 50 J1532+2344 13 22 11 59.3 76.7 -2.2 -90.8 1 3411 21 45 49 21 47 50 =1530+239 13 24 11 59.8 76.7 -2.2 -91.0 120 3443 21 45 42 21 48 00 ARP220 13 24 20 59.3 77.2 -2.2 -90.4 1 3443 21 47 59 21 52 00 --- 13 28 21 60.2 77.2 -2.1 -90.8 240 3505 21 47 51 21 52 09 J1532+2344 13 28 30 60.8 76.7 -2.1 -91.5 1 3505 21 52 08 21 54 09 =1530+239 13 30 31 61.2 76.6 -2.0 -91.7 120 3536 21 52 01 21 54 18 ARP220 13 30 40 60.8 77.1 -2.1 -91.1 1 3536 21 54 18 21 58 18 --- 13 34 41 61.7 77.1 -2.0 -91.5 240 3598 21 54 10 21 58 28 J1532+2344 13 34 50 62.2 76.6 -2.0 -92.2 1 3598 21 58 27 22 00 28 =1530+239 13 36 51 62.7 76.5 -1.9 -92.5 120 3629 21 58 19 22 00 37 ARP220 13 37 00 62.2 77.1 -2.0 -91.8 1 3629 22 00 37 22 04 37 --- 13 41 01 63.1 77.0 -1.9 -92.2 240 3691 22 00 29 22 04 46 J1532+2344 13 41 10 63.7 76.4 -1.9 -93.0 1 3691 22 04 46 22 06 46 =1530+239 13 43 10 64.1 76.4 -1.8 -93.2 120 3722 22 04 38 22 06 56 ARP220 13 43 20 63.7 76.9 -1.9 -92.5 0 3722 22 06 55 22 10 56 --- 13 47 20 64.6 76.8 -1.8 -93.0 240 3784 22 06 47 Schedule for VLBA_MK (Code Mk ) Page 8 3.6cm 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 ---------------------------------------------------------------------------------------- --- Fri 20 Oct 2017 Day 293 --- 22 11 05 J1532+2344 13 47 30 65.1 76.2 -1.8 -93.8 0 3784 22 11 04 22 13 05 =1530+239 13 49 30 65.6 76.1 -1.7 -94.1 120 3815 22 10 57 22 13 14 ARP220 13 49 39 65.1 76.8 -1.8 -93.3 0 3815 22 13 14 22 17 14 --- 13 53 40 66.0 76.6 -1.7 -93.8 240 3877 22 13 06 22 17 23 J1532+2344 13 53 49 66.6 76.0 -1.7 -94.7 0 3877 22 17 23 22 19 23 =1530+239 13 55 49 67.0 75.9 -1.6 -95.0 120 3908 22 17 15 22 19 32 ARP220 13 55 58 66.6 76.5 -1.7 -94.1 0 3908 22 19 32 22 23 32 --- 13 59 59 67.5 76.4 -1.6 -94.7 240 3970 22 19 24 22 23 41 J1532+2344 14 00 08 68.0 75.6 -1.6 -95.6 0 3970 22 23 41 22 25 41 =1530+239 14 02 08 68.5 75.5 -1.5 -95.9 120 4001 22 23 33 22 25 50 ARP220 14 02 17 68.0 76.2 -1.6 -95.1 0 4001 22 25 50 22 29 50 --- 14 06 18 68.9 76.0 -1.5 -95.7 240 4062 22 25 42 ---------- BLOCK 11 FINISHED ---------- 22 30 11 J1516+1932 14 06 39 73.3 88.1 -1.2 -85.9 4 4062 22 30 11 22 33 11 =1514+197 14 09 39 74.0 88.3 -1.1 -86.0 180 4109 22 30 12 22 33 31 J1532+2344 14 09 59 70.2 74.9 -1.4 -97.3 3 4109 22 33 31 22 35 31 =1530+239 14 12 00 70.7 74.7 -1.4 -97.6 120 4140 22 33 32 22 35 40 ARP220 14 12 09 70.3 75.6 -1.4 -96.6 0 4140 22 35 40 22 39 40 --- 14 16 09 71.2 75.2 -1.3 -97.4 240 4202 22 35 32 22 39 49 J1532+2344 14 16 18 71.7 74.3 -1.3 -98.5 0 4202 22 39 49 22 41 49 =1530+239 14 18 19 72.1 74.1 -1.3 -98.9 120 4232 22 39 41 22 41 58 ARP220 14 18 27 71.7 75.0 -1.3 -97.8 0 4232 22 41 58 22 45 58 --- 14 22 28 72.6 74.6 -1.2 -98.6 240 4294 22 41 50 22 46 06 J1532+2344 14 22 37 73.1 73.5 -1.2 -99.8 0 4294 22 46 06 22 48 06 =1530+239 14 24 37 73.6 73.3 -1.1 -100.3 120 4325 22 45 59 22 48 15 ARP220 14 24 46 73.1 74.3 -1.2 -99.1 0 4325 22 48 15 22 52 15 --- 14 28 47 74.0 73.8 -1.1 -100.0 240 4387 22 48 07 22 52 24 J1532+2344 14 28 55 74.5 72.6 -1.1 -101.4 0 4387 22 52 24 22 54 24 =1530+239 14 30 56 75.0 72.2 -1.0 -101.9 120 4418 22 52 16 Schedule for VLBA_MK (Code Mk ) Page 9 3.6cm 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 ---------------------------------------------------------------------------------------- --- Fri 20 Oct 2017 Day 293 --- 22 54 32 ARP220 14 31 04 74.6 73.4 -1.1 -100.6 0 4418 22 54 32 22 58 32 --- 14 35 05 75.5 72.8 -1.0 -101.6 240 4480 22 54 25 22 58 41 J1532+2344 14 35 14 75.9 71.4 -1.0 -103.2 0 4480 22 58 41 23 00 41 =1530+239 14 37 14 76.4 70.9 -0.9 -103.8 120 4511 22 58 33 23 00 50 ARP220 14 37 23 76.0 72.3 -1.0 -102.3 0 4511 23 00 50 23 04 50 --- 14 41 23 76.9 71.4 -0.9 -103.5 240 4573 23 00 42 23 04 59 J1532+2344 14 41 32 77.3 69.8 -0.9 -105.3 0 4573 23 04 59 23 06 59 =1530+239 14 43 33 77.8 69.3 -0.8 -106.1 120 4603 23 04 51 23 07 08 ARP220 14 43 42 77.4 70.9 -0.9 -104.3 0 4603 23 07 08 23 11 08 --- 14 47 42 78.3 69.7 -0.8 -105.8 240 4665 23 07 00 23 11 17 J1532+2344 14 47 51 78.7 67.8 -0.8 -107.9 0 4665 23 11 17 23 13 17 =1530+239 14 49 52 79.2 67.1 -0.7 -108.9 120 4696 23 11 09 23 13 26 ARP220 14 50 01 78.8 69.0 -0.8 -106.8 0 4696 23 13 26 23 17 26 --- 14 54 02 79.7 67.5 -0.7 -108.7 240 4758 23 13 18 23 17 36 J1532+2344 14 54 11 80.1 65.2 -0.7 -111.1 0 4758 23 17 36 23 19 36 =1530+239 14 56 11 80.5 64.2 -0.6 -112.3 120 4789 23 17 27 23 19 45 ARP220 14 56 21 80.2 66.5 -0.7 -109.9 0 4789 23 19 45 23 23 45 --- 15 00 22 81.0 64.5 -0.6 -112.3 240 4851 23 19 37 ---------- BLOCK 12 FINISHED ---------- 23 24 13 J1516+1932 15 00 50 86.0 94.0 -0.3 -84.6 0 4851 23 24 13 23 27 13 =1514+197 15 03 50 86.7 95.1 -0.2 -83.8 180 4897 23 24 14 23 27 46 J1532+2344 15 04 23 82.2 58.8 -0.5 -118.5 0 4897 23 27 46 23 29 46 =1530+239 15 06 24 82.6 57.1 -0.5 -120.3 120 4928 23 27 47 23 29 56 ARP220 15 06 34 82.3 60.4 -0.5 -116.9 0 4928 23 29 56 23 33 56 --- 15 10 35 83.1 56.9 -0.4 -120.8 240 4990 23 29 57 23 34 07 J1532+2344 15 10 45 83.4 52.7 -0.4 -125.2 0 4990 23 34 07 23 36 07 =1530+239 15 12 46 83.8 50.2 -0.3 -127.9 120 5021 23 34 08 23 36 18 ARP220 15 12 57 83.6 54.4 -0.4 -123.5 0 5021 23 36 18 23 40 18 --- 15 16 57 84.3 49.2 -0.3 -129.1 240 5083 23 36 19 Schedule for VLBA_MK (Code Mk ) Page 10 3.6cm 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 ---------------------------------------------------------------------------------------- --- Fri 20 Oct 2017 Day 293 --- 23 40 30 J1532+2344 15 17 09 84.6 43.7 -0.3 -134.8 0 5083 23 40 30 23 42 30 =1530+239 15 19 09 84.9 40.0 -0.2 -138.6 120 5114 23 40 31 23 42 42 ARP220 15 19 21 84.7 45.4 -0.3 -133.1 0 5114 23 42 42 23 46 42 --- 15 23 22 85.4 37.6 -0.2 -141.3 240 5175 23 42 43 23 46 54 J1532+2344 15 23 35 85.5 30.3 -0.2 -148.8 0 5175 23 46 54 23 48 54 =1530+239 15 25 35 85.7 25.0 -0.1 -154.2 120 5206 23 46 55 23 49 07 ARP220 15 25 48 85.7 31.8 -0.2 -147.3 0 5206 23 49 07 23 53 07 --- 15 29 48 86.1 20.3 -0.1 -159.2 240 5268 23 49 08 23 53 21 J1532+2344 15 30 02 86.0 11.6 -0.1 -168.1 0 5268 23 53 21 23 55 21 =1530+239 15 32 03 86.1 5.0 -0.0 -174.9 120 5299 23 53 22 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess317.X2048glob Matching groups in /home/guest/rmc/SCHED/sched11.4/catalogs/freq_RDBE.dat: v4cm_3 Setup group: 10 Station: VLBA_MK 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= 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 Net SB= U U U U U U U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = B D B D B D B D VLBA FE= omit 4cm omit 4cm VLBA Synth= 7.6 15.1 15.1 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: 13 Setup file default. Used with PCAL = off LO sum= 8240.00 8240.00 8304.00 8304.00 8368.00 8368.00 8432.00 8432.00 BBC fr= 640.00 640.00 704.00 704.00 768.00 768.00 832.00 832.00 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= 728.00 728.00 792.00 792.00 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 13 14 16 17 18 19 20 21 22 23 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) * ARP220 15 32 46.905485 * 15 34 57.250000 15 35 41.600758 0.00 23 40 07.75728 * 23 30 11.33000 23 26 58.91920 0.00 From catalog imbedded in main SCHED input file. Pos. from Batejat. et al 2011 1514+197 15 14 40.985840 * 15 16 56.796162 15 17 43.074973 0.01 * J1516+1932 19 43 10.94252 * 19 32 12.99209 19 28 37.83567 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 30.652858 0.10 * J1532+2344 23 54 09.32921 * 23 44 05.26804 23 40 50.07377 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. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline ARP220 sess317.X2048glob 1 2 3 4 5 6 7 8 11 13 15 24 6.667 712.929 J1516+1932 sess317.X2048glob 1 2 3 4 5 6 7 8 11 13 15 24 0.650 66.000 J1532+2344 sess317.X2048glob 1 2 3 4 5 6 7 8 11 13 15 24 3.167 334.583 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) ARP220 43.9 J1516+1932 38.2 J1532+2344 43.8 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