COVER INFORMATION Station: KVNUS (Code Ku ) Experiment: A sub-pc-separation SMBH binary in NGC7674? Exp. Code: EA059B Schedule Version: 3.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Tao AN Address: Shanghai Astronomical Observatory Nandan Road 80 Shanghai 200030 China Phone: +86-21-64386191 EMAIL: antao@shao.ac.cn Fax: Phone during observation: Observing mode: Notes: 22 GHz, dual polarisation, 2048 Mbps Phase-referecing observations with a cycle time of 90s Drafted by Jun YANG Version 3: extended to 8 UT Schedule for KVNUS (Code Ku ) Page 2 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- Next scan frequencies: 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 Next BBC frequencies: 8937.49 8937.49 8937.49 8937.49 8969.49 8969.49 8969.49 8969.49 9001.49 9001.49 9001.49 9001.49 9033.49 9033.49 9033.49 9033.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 00 30 00 J2327+0940 02 24 14 42.5 248.1 2.9 50.0 0 0 00 30 00 00 34 00 =2325+093 02 28 15 41.8 249.0 3.0 50.4 240 31 00 30 01 00 34 00 J2327+0940 02 28 15 41.8 249.0 3.0 50.4 -2 31 No stop 00 34 30 =2325+093 02 28 45 41.7 249.1 3.0 50.5 28 35 00 34 01 00 34 30 NGC7674 02 28 45 41.2 248.1 3.0 49.8 -3 35 No stop 00 35 15 --- 02 29 30 41.0 248.3 3.0 49.9 42 40 00 34 31 00 35 15 J2327+0940 02 29 30 41.5 249.2 3.0 50.5 -3 40 No stop 00 36 00 =2325+093 02 30 15 41.4 249.4 3.0 50.6 42 46 00 35 16 00 36 00 NGC7674 02 30 15 40.9 248.4 3.0 50.0 -3 46 No stop 00 36 45 --- 02 31 00 40.8 248.6 3.0 50.0 42 52 00 36 01 00 36 45 J2327+0940 02 31 00 41.3 249.6 3.0 50.7 -3 52 No stop 00 37 15 =2325+093 02 31 30 41.2 249.7 3.1 50.7 27 56 00 36 46 00 37 15 NGC7674 02 31 30 40.7 248.7 3.0 50.1 -3 56 No stop 00 38 00 --- 02 32 15 40.5 248.8 3.1 50.2 42 62 00 37 16 00 38 00 J2327+0940 02 32 15 41.0 249.8 3.1 50.8 -3 62 No stop 00 38 45 =2325+093 02 33 01 40.9 250.0 3.1 50.9 42 67 00 38 01 00 38 45 NGC7674 02 33 01 40.4 249.0 3.1 50.2 -3 67 No stop 00 39 30 --- 02 33 46 40.2 249.1 3.1 50.3 42 73 00 38 46 00 40 10 J2327+0940 02 34 26 40.6 250.3 3.1 51.0 37 73 00 40 10 00 40 40 =2325+093 02 34 56 40.5 250.4 3.1 51.0 30 77 00 40 11 00 40 40 NGC7674 02 34 56 40.0 249.4 3.1 50.4 -3 77 No stop 00 41 25 --- 02 35 41 39.9 249.5 3.1 50.5 42 83 00 40 41 00 41 25 J2327+0940 02 35 41 40.4 250.5 3.1 51.1 -3 83 No stop 00 42 10 =2325+093 02 36 26 40.2 250.7 3.1 51.2 42 88 00 41 26 00 42 10 NGC7674 02 36 26 39.7 249.7 3.1 50.6 -3 88 No stop 00 42 55 --- 02 37 11 39.6 249.8 3.1 50.6 42 94 00 42 11 Schedule for KVNUS (Code Ku ) Page 3 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 00 42 55 J2327+0940 02 37 11 40.1 250.8 3.1 51.2 -3 94 No stop 00 43 40 =2325+093 02 37 56 39.9 251.0 3.2 51.3 42 100 00 42 56 00 43 40 J2329+0834 02 37 56 39.5 249.6 3.1 50.5 -3 100 No stop 00 44 25 =2326+082 02 38 41 39.4 249.7 3.1 50.5 42 106 00 43 41 00 44 25 J2327+0940 02 38 41 39.8 251.1 3.2 51.4 -3 106 No stop 00 44 55 =2325+093 02 39 12 39.7 251.2 3.2 51.4 27 110 00 44 26 00 44 55 NGC7674 02 39 12 39.2 250.3 3.2 50.8 -3 110 No stop 00 45 40 --- 02 39 57 39.1 250.4 3.2 50.9 42 115 00 44 56 00 45 40 J2327+0940 02 39 57 39.5 251.4 3.2 51.5 -3 115 No stop 00 46 25 =2325+093 02 40 42 39.4 251.5 3.2 51.5 42 121 00 45 41 00 46 25 NGC7674 02 40 42 38.9 250.6 3.2 50.9 -3 121 No stop 00 47 10 --- 02 41 27 38.8 250.7 3.2 51.0 42 127 00 46 26 00 47 10 J2327+0940 02 41 27 39.2 251.7 3.2 51.6 -3 127 No stop 00 47 40 =2325+093 02 41 57 39.1 251.8 3.2 51.6 27 131 00 47 11 00 47 40 NGC7674 02 41 57 38.7 250.8 3.2 51.1 -3 131 No stop 00 48 25 --- 02 42 42 38.5 251.0 3.2 51.1 42 137 00 47 41 00 48 25 J2327+0940 02 42 42 39.0 251.9 3.2 51.7 -3 137 No stop 00 49 10 =2325+093 02 43 27 38.9 252.1 3.2 51.8 42 142 00 48 26 00 49 10 NGC7674 02 43 27 38.4 251.1 3.2 51.2 -3 142 No stop 00 49 55 --- 02 44 12 38.2 251.2 3.3 51.2 42 148 00 49 11 00 50 35 J2327+0940 02 44 52 38.6 252.3 3.3 51.9 37 148 00 50 35 00 51 05 =2325+093 02 45 23 38.5 252.4 3.3 51.9 30 152 00 50 36 00 51 05 NGC7674 02 45 23 38.0 251.5 3.3 51.3 -3 152 No stop 00 51 50 --- 02 46 08 37.9 251.6 3.3 51.4 42 158 00 51 06 00 51 50 J2327+0940 02 46 08 38.3 252.6 3.3 52.0 -3 158 No stop 00 52 35 =2325+093 02 46 53 38.2 252.7 3.3 52.0 42 163 00 51 51 00 52 35 NGC7674 02 46 53 37.7 251.8 3.3 51.5 -3 163 No stop 00 53 20 --- 02 47 38 37.6 251.9 3.3 51.5 42 169 00 52 36 00 53 20 J2327+0940 02 47 38 38.0 252.9 3.3 52.1 -3 169 No stop 00 54 05 =2325+093 02 48 23 37.9 253.0 3.3 52.2 42 175 00 53 21 Schedule for KVNUS (Code Ku ) Page 4 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 00 54 05 J2329+0834 02 48 23 37.5 251.6 3.3 51.4 -3 175 No stop 00 54 50 =2326+082 02 49 08 37.4 251.8 3.3 51.4 42 181 00 54 06 00 54 50 J2327+0940 02 49 08 37.8 253.2 3.3 52.2 -3 181 No stop 00 55 20 =2325+093 02 49 38 37.7 253.3 3.4 52.2 27 185 00 54 51 00 55 20 NGC7674 02 49 38 37.2 252.3 3.3 51.7 -3 185 No stop 00 56 05 --- 02 50 23 37.0 252.4 3.4 51.7 42 190 00 55 21 00 56 05 J2327+0940 02 50 23 37.5 253.4 3.4 52.3 -3 190 No stop 00 56 50 =2325+093 02 51 09 37.4 253.5 3.4 52.4 42 196 00 56 06 00 56 50 NGC7674 02 51 09 36.9 252.6 3.4 51.8 -3 196 No stop 00 57 35 --- 02 51 54 36.7 252.7 3.4 51.9 42 202 00 56 51 00 57 35 J2327+0940 02 51 54 37.2 253.7 3.4 52.4 -3 202 No stop 00 58 05 =2325+093 02 52 24 37.1 253.8 3.4 52.4 27 206 00 57 36 00 58 05 NGC7674 02 52 24 36.6 252.8 3.4 51.9 -3 206 No stop 00 58 50 --- 02 53 09 36.5 253.0 3.4 51.9 42 212 00 58 06 00 58 50 J2327+0940 02 53 09 37.0 253.9 3.4 52.5 -3 212 No stop 00 59 35 =2325+093 02 53 54 36.8 254.1 3.4 52.6 42 217 00 58 51 00 59 35 NGC7674 02 53 54 36.4 253.1 3.4 52.0 -3 217 No stop 01 00 20 --- 02 54 39 36.2 253.3 3.4 52.1 42 223 00 59 36 01 01 00 J2327+0940 02 55 19 36.5 254.3 3.4 52.6 37 223 01 01 00 01 01 30 =2325+093 02 55 49 36.5 254.4 3.5 52.7 30 227 01 01 01 01 01 30 NGC7674 02 55 49 36.0 253.5 3.4 52.1 -3 227 No stop 01 02 15 --- 02 56 34 35.8 253.6 3.5 52.2 42 233 01 01 31 01 02 15 J2327+0940 02 56 34 36.3 254.6 3.5 52.7 -3 233 No stop 01 03 00 =2325+093 02 57 20 36.2 254.7 3.5 52.8 42 238 01 02 16 01 03 00 NGC7674 02 57 20 35.7 253.8 3.5 52.2 -3 238 No stop 01 03 45 --- 02 58 05 35.5 253.9 3.5 52.3 42 244 01 03 01 01 03 45 J2327+0940 02 58 05 36.0 254.8 3.5 52.8 -3 244 No stop 01 04 30 =2325+093 02 58 50 35.9 255.0 3.5 52.9 42 250 01 03 46 01 04 30 J2329+0834 02 58 50 35.5 253.6 3.5 52.2 -3 250 No stop 01 05 15 =2326+082 02 59 35 35.3 253.8 3.5 52.2 42 256 01 04 31 Schedule for KVNUS (Code Ku ) Page 5 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 01 05 15 J2327+0940 02 59 35 35.7 255.1 3.5 52.9 -3 256 No stop 01 05 45 =2325+093 03 00 05 35.6 255.2 3.5 53.0 27 260 01 05 16 01 05 45 NGC7674 03 00 05 35.1 254.3 3.5 52.4 -3 260 No stop 01 06 30 --- 03 00 50 35.0 254.4 3.5 52.5 42 265 01 05 46 01 06 30 J2327+0940 03 00 50 35.5 255.3 3.5 53.0 -3 265 No stop 01 07 15 =2325+093 03 01 35 35.3 255.5 3.6 53.1 42 271 01 06 31 01 07 15 NGC7674 03 01 35 34.9 254.5 3.5 52.5 -3 271 No stop 01 08 00 --- 03 02 20 34.7 254.7 3.6 52.6 42 277 01 07 16 01 08 00 J2327+0940 03 02 20 35.2 255.6 3.6 53.1 -3 277 No stop 01 08 30 =2325+093 03 02 50 35.1 255.7 3.6 53.1 27 281 01 08 01 01 08 30 NGC7674 03 02 50 34.6 254.8 3.6 52.6 -3 281 No stop 01 09 15 --- 03 03 36 34.5 254.9 3.6 52.7 42 287 01 08 31 01 09 15 J2327+0940 03 03 36 34.9 255.8 3.6 53.2 -3 287 No stop 01 10 00 =2325+093 03 04 21 34.8 256.0 3.6 53.2 42 292 01 09 16 01 10 00 NGC7674 03 04 21 34.3 255.0 3.6 52.7 -3 292 No stop 01 10 45 --- 03 05 06 34.2 255.2 3.6 52.8 42 298 01 10 01 01 11 25 J2327+0940 03 05 46 34.5 256.2 3.6 53.3 37 298 01 11 25 01 11 55 =2325+093 03 06 16 34.4 256.3 3.6 53.3 30 302 01 11 26 01 11 55 NGC7674 03 06 16 33.9 255.4 3.6 52.8 -3 302 No stop 01 12 40 --- 03 07 01 33.8 255.5 3.6 52.9 42 308 01 11 56 01 12 40 J2327+0940 03 07 01 34.2 256.5 3.6 53.4 -3 308 No stop 01 13 25 =2325+093 03 07 46 34.1 256.6 3.7 53.4 42 313 01 12 41 01 13 25 NGC7674 03 07 46 33.6 255.7 3.6 52.9 -3 313 No stop 01 14 10 --- 03 08 31 33.5 255.8 3.7 53.0 42 319 01 13 26 01 14 10 J2327+0940 03 08 31 33.9 256.7 3.7 53.5 -3 319 No stop 01 14 55 =2325+093 03 09 16 33.8 256.9 3.7 53.5 42 325 01 14 11 01 14 55 J2329+0834 03 09 16 33.4 255.5 3.7 52.8 -3 325 No stop 01 15 40 =2326+082 03 10 02 33.3 255.7 3.7 52.9 42 331 01 14 56 01 15 40 J2327+0940 03 10 02 33.7 257.0 3.7 53.6 -3 331 No stop 01 16 10 =2325+093 03 10 32 33.6 257.1 3.7 53.6 27 335 01 15 41 Schedule for KVNUS (Code Ku ) Page 6 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 01 16 10 NGC7674 03 10 32 33.1 256.2 3.7 53.1 -3 335 No stop 01 16 55 --- 03 11 17 32.9 256.3 3.7 53.1 42 340 01 16 11 01 16 55 J2327+0940 03 11 17 33.4 257.2 3.7 53.6 -3 340 No stop 01 17 40 =2325+093 03 12 02 33.3 257.3 3.7 53.7 42 346 01 16 56 01 17 40 NGC7674 03 12 02 32.8 256.4 3.7 53.2 -3 346 No stop 01 18 25 --- 03 12 47 32.6 256.6 3.7 53.2 42 352 01 17 41 01 18 25 J2327+0940 03 12 47 33.1 257.5 3.7 53.7 -3 352 No stop 01 18 55 =2325+093 03 13 17 33.0 257.6 3.7 53.7 27 356 01 18 26 01 18 55 NGC7674 03 13 17 32.6 256.6 3.7 53.2 -3 356 No stop 01 19 40 --- 03 14 02 32.4 256.8 3.8 53.3 42 362 01 18 56 01 19 40 J2327+0940 03 14 02 32.9 257.7 3.8 53.8 -3 362 No stop 01 20 25 =2325+093 03 14 47 32.7 257.8 3.8 53.8 42 367 01 19 41 01 20 25 NGC7674 03 14 47 32.3 256.9 3.8 53.3 -3 367 No stop 01 21 10 --- 03 15 33 32.1 257.0 3.8 53.4 42 373 01 20 26 01 21 50 J2327+0940 03 16 13 32.4 258.1 3.8 53.9 37 373 01 21 50 01 22 20 =2325+093 03 16 43 32.3 258.2 3.8 53.9 30 377 01 21 51 01 22 20 NGC7674 03 16 43 31.9 257.2 3.8 53.4 -3 377 No stop 01 23 05 --- 03 17 28 31.7 257.4 3.8 53.5 42 383 01 22 21 01 23 05 J2327+0940 03 17 28 32.2 258.3 3.8 53.9 -3 383 No stop 01 23 50 =2325+093 03 18 13 32.0 258.4 3.8 54.0 42 388 01 23 06 01 23 50 NGC7674 03 18 13 31.6 257.5 3.8 53.5 -3 388 No stop 01 24 35 --- 03 18 58 31.4 257.6 3.8 53.6 42 394 01 23 51 01 24 35 J2327+0940 03 18 58 31.9 258.5 3.8 54.0 -3 394 No stop 01 25 20 =2325+093 03 19 43 31.7 258.7 3.9 54.0 42 400 01 24 36 01 25 20 J2329+0834 03 19 43 31.4 257.4 3.8 53.4 -3 400 No stop 01 26 05 =2326+082 03 20 28 31.2 257.5 3.8 53.5 42 406 01 25 21 01 26 05 J2327+0940 03 20 28 31.6 258.8 3.9 54.1 -3 406 No stop 01 26 35 =2325+093 03 20 58 31.5 258.9 3.9 54.1 27 410 01 26 06 01 26 35 NGC7674 03 20 58 31.0 258.0 3.9 53.7 -3 410 No stop 01 27 20 --- 03 21 44 30.9 258.1 3.9 53.7 42 415 01 26 36 Schedule for KVNUS (Code Ku ) Page 7 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 01 27 20 J2327+0940 03 21 44 31.3 259.0 3.9 54.1 -3 415 No stop 01 28 05 =2325+093 03 22 29 31.2 259.1 3.9 54.2 42 421 01 27 21 01 28 05 NGC7674 03 22 29 30.7 258.2 3.9 53.7 -3 421 No stop 01 28 50 --- 03 23 14 30.6 258.4 3.9 53.8 42 427 01 28 06 01 28 50 J2327+0940 03 23 14 31.0 259.3 3.9 54.2 -3 427 No stop 01 29 20 =2325+093 03 23 44 30.9 259.3 3.9 54.2 27 431 01 28 51 01 29 20 NGC7674 03 23 44 30.5 258.4 3.9 53.8 -3 431 No stop 01 30 05 --- 03 24 29 30.3 258.6 3.9 53.8 42 437 01 29 21 01 30 05 J2327+0940 03 24 29 30.8 259.5 3.9 54.3 -3 437 No stop 01 30 50 =2325+093 03 25 14 30.6 259.6 3.9 54.3 42 442 01 30 06 01 30 50 NGC7674 03 25 14 30.2 258.7 3.9 53.9 -3 442 No stop 01 31 35 --- 03 25 59 30.0 258.8 4.0 53.9 42 448 01 30 51 01 32 15 J2327+0940 03 26 39 30.3 259.8 4.0 54.4 37 448 01 32 15 01 32 45 =2325+093 03 27 09 30.2 259.9 4.0 54.4 30 452 01 32 16 01 32 45 NGC7674 03 27 09 29.8 259.0 4.0 53.9 -3 452 No stop 01 33 30 --- 03 27 55 29.6 259.1 4.0 54.0 42 458 01 32 46 01 33 30 J2327+0940 03 27 55 30.1 260.0 4.0 54.4 -3 458 No stop 01 34 15 =2325+093 03 28 40 29.9 260.2 4.0 54.4 42 463 01 33 31 01 34 15 NGC7674 03 28 40 29.5 259.3 4.0 54.0 -3 463 No stop 01 35 00 --- 03 29 25 29.3 259.4 4.0 54.0 42 469 01 34 16 01 35 00 J2327+0940 03 29 25 29.8 260.3 4.0 54.5 -3 469 No stop 01 35 45 =2325+093 03 30 10 29.6 260.4 4.0 54.5 42 475 01 35 01 01 35 45 J2329+0834 03 30 10 29.3 259.1 4.0 53.9 -3 475 No stop 01 36 30 =2326+082 03 30 55 29.1 259.3 4.0 54.0 42 481 01 35 46 01 36 30 J2327+0940 03 30 55 29.5 260.5 4.0 54.5 -3 481 No stop 01 37 00 =2325+093 03 31 25 29.4 260.6 4.0 54.5 27 485 01 36 31 01 37 00 NGC7674 03 31 25 28.9 259.7 4.0 54.1 -3 485 No stop 01 37 45 --- 03 32 10 28.8 259.9 4.1 54.2 42 490 01 37 01 01 37 45 J2327+0940 03 32 10 29.2 260.7 4.1 54.6 -3 490 No stop 01 38 30 =2325+093 03 32 55 29.1 260.9 4.1 54.6 42 496 01 37 46 Schedule for KVNUS (Code Ku ) Page 8 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 01 38 30 NGC7674 03 32 55 28.6 260.0 4.1 54.2 -3 496 No stop 01 39 15 --- 03 33 40 28.5 260.1 4.1 54.2 42 502 01 38 31 01 39 15 J2327+0940 03 33 40 28.9 261.0 4.1 54.6 -3 502 No stop 01 39 45 =2325+093 03 34 11 28.8 261.1 4.1 54.6 27 506 01 39 16 01 39 45 NGC7674 03 34 11 28.4 260.2 4.1 54.2 -3 506 No stop 01 40 30 --- 03 34 56 28.2 260.3 4.1 54.3 42 512 01 39 46 01 40 30 J2327+0940 03 34 56 28.7 261.2 4.1 54.7 -3 512 No stop 01 41 15 =2325+093 03 35 41 28.5 261.3 4.1 54.7 42 517 01 40 31 01 41 15 NGC7674 03 35 41 28.1 260.4 4.1 54.3 -3 517 No stop 01 42 00 --- 03 36 26 27.9 260.6 4.1 54.3 42 523 01 41 16 01 42 40 J2327+0940 03 37 06 28.2 261.5 4.1 54.8 37 523 01 42 40 01 43 10 =2325+093 03 37 36 28.1 261.6 4.2 54.8 30 527 01 42 41 01 43 10 NGC7674 03 37 36 27.7 260.7 4.1 54.4 -3 527 No stop 01 43 55 --- 03 38 21 27.5 260.9 4.2 54.4 42 533 01 43 11 01 43 55 J2327+0940 03 38 21 28.0 261.7 4.2 54.8 -3 533 No stop 01 44 40 =2325+093 03 39 06 27.8 261.9 4.2 54.8 42 538 01 43 56 01 44 40 NGC7674 03 39 06 27.4 261.0 4.2 54.4 -3 538 No stop 01 45 25 --- 03 39 51 27.2 261.1 4.2 54.5 42 544 01 44 41 01 45 25 J2327+0940 03 39 51 27.7 262.0 4.2 54.8 -3 544 No stop 01 46 10 =2325+093 03 40 37 27.5 262.1 4.2 54.9 42 550 01 45 26 01 46 10 J2329+0834 03 40 37 27.2 260.9 4.2 54.3 -3 550 No stop 01 46 55 =2326+082 03 41 22 27.1 261.0 4.2 54.4 42 556 01 46 11 01 46 55 J2327+0940 03 41 22 27.4 262.2 4.2 54.9 -3 556 No stop 01 47 25 =2325+093 03 41 52 27.3 262.3 4.2 54.9 27 560 01 46 56 01 47 25 NGC7674 03 41 52 26.8 261.4 4.2 54.5 -3 560 No stop 01 48 10 --- 03 42 37 26.7 261.6 4.2 54.5 42 565 01 47 26 01 48 10 J2327+0940 03 42 37 27.1 262.4 4.2 54.9 -3 565 No stop 01 48 55 =2325+093 03 43 22 27.0 262.5 4.2 54.9 42 571 01 48 11 01 48 55 NGC7674 03 43 22 26.5 261.7 4.2 54.6 -3 571 No stop 01 49 40 --- 03 44 07 26.4 261.8 4.3 54.6 42 577 01 48 56 Schedule for KVNUS (Code Ku ) Page 9 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 01 49 40 J2327+0940 03 44 07 26.8 262.7 4.3 55.0 -3 577 No stop 01 50 10 =2325+093 03 44 37 26.7 262.7 4.3 55.0 27 581 01 49 41 01 50 10 NGC7674 03 44 37 26.3 261.9 4.3 54.6 -3 581 No stop 01 50 55 --- 03 45 22 26.1 262.0 4.3 54.6 42 587 01 50 11 01 50 55 J2327+0940 03 45 22 26.6 262.9 4.3 55.0 -3 587 No stop 01 51 40 =2325+093 03 46 08 26.4 263.0 4.3 55.0 42 592 01 50 56 01 51 40 NGC7674 03 46 08 26.0 262.1 4.3 54.7 -3 592 No stop 01 52 25 --- 03 46 53 25.8 262.2 4.3 54.7 42 598 01 51 41 01 53 05 J2327+0940 03 47 33 26.1 263.2 4.3 55.1 37 598 01 53 05 01 53 35 =2325+093 03 48 03 26.0 263.3 4.3 55.1 30 602 01 53 06 01 53 35 NGC7674 03 48 03 25.6 262.4 4.3 54.7 -3 602 No stop 01 54 20 --- 03 48 48 25.4 262.5 4.3 54.7 42 608 01 53 36 01 54 20 J2327+0940 03 48 48 25.9 263.4 4.3 55.1 -3 608 No stop 01 55 05 =2325+093 03 49 33 25.7 263.5 4.4 55.1 42 613 01 54 21 01 55 05 NGC7674 03 49 33 25.3 262.7 4.3 54.8 -3 613 No stop 01 55 50 --- 03 50 18 25.1 262.8 4.4 54.8 42 619 01 55 06 01 55 50 J2327+0940 03 50 18 25.6 263.6 4.4 55.1 -3 619 No stop 01 56 35 =2325+093 03 51 03 25.4 263.8 4.4 55.2 42 625 01 55 51 01 56 35 J2329+0834 03 51 03 25.1 262.5 4.4 54.7 -3 625 No stop 01 57 20 =2326+082 03 51 48 25.0 262.6 4.4 54.7 42 631 01 56 36 01 57 20 J2327+0940 03 51 48 25.3 263.9 4.4 55.2 -3 631 No stop 01 57 50 =2325+093 03 52 19 25.2 264.0 4.4 55.2 27 635 01 57 21 01 57 50 NGC7674 03 52 19 24.7 263.1 4.4 54.8 -3 635 No stop 01 58 35 --- 03 53 04 24.6 263.2 4.4 54.9 42 640 01 57 51 01 58 35 J2327+0940 03 53 04 25.0 264.1 4.4 55.2 -3 640 No stop 01 59 20 =2325+093 03 53 49 24.9 264.2 4.4 55.2 42 646 01 58 36 01 59 20 NGC7674 03 53 49 24.4 263.3 4.4 54.9 -3 646 No stop 02 00 05 --- 03 54 34 24.3 263.4 4.4 54.9 42 652 01 59 21 02 00 05 J2327+0940 03 54 34 24.7 264.3 4.4 55.2 -3 652 No stop 02 00 35 =2325+093 03 55 04 24.6 264.4 4.4 55.3 27 656 02 00 06 Schedule for KVNUS (Code Ku ) Page 10 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 02 00 35 NGC7674 03 55 04 24.2 263.5 4.4 54.9 -3 656 No stop 02 01 20 --- 03 55 49 24.0 263.6 4.4 54.9 42 662 02 00 36 02 01 20 J2327+0940 03 55 49 24.5 264.5 4.5 55.3 -3 662 No stop 02 02 05 =2325+093 03 56 34 24.3 264.6 4.5 55.3 42 667 02 01 21 02 02 05 NGC7674 03 56 34 23.9 263.8 4.5 54.9 -3 667 No stop 02 02 50 --- 03 57 19 23.7 263.9 4.5 55.0 42 673 02 02 06 02 03 30 J2327+0940 03 57 59 24.0 264.8 4.5 55.3 37 673 02 03 30 02 04 00 =2325+093 03 58 30 23.9 264.9 4.5 55.3 30 677 02 03 31 02 04 00 NGC7674 03 58 30 23.5 264.0 4.5 55.0 -3 677 No stop 02 04 45 --- 03 59 15 23.3 264.2 4.5 55.0 42 683 02 04 01 02 04 45 J2327+0940 03 59 15 23.8 265.0 4.5 55.3 -3 683 No stop 02 05 30 =2325+093 04 00 00 23.6 265.1 4.5 55.4 42 688 02 04 46 02 05 30 NGC7674 04 00 00 23.2 264.3 4.5 55.0 -3 688 No stop 02 06 15 --- 04 00 45 23.0 264.4 4.5 55.0 42 694 02 05 31 02 06 15 J2327+0940 04 00 45 23.5 265.3 4.5 55.4 -3 694 No stop 02 07 00 =2325+093 04 01 30 23.3 265.4 4.6 55.4 42 700 02 06 16 02 07 00 J2329+0834 04 01 30 23.0 264.1 4.5 55.0 -3 700 No stop 02 07 45 =2326+082 04 02 15 22.8 264.3 4.5 55.0 42 706 02 07 01 02 07 45 J2327+0940 04 02 15 23.2 265.5 4.6 55.4 -3 706 No stop 02 08 15 =2325+093 04 02 45 23.1 265.6 4.6 55.4 27 710 02 07 46 02 08 15 NGC7674 04 02 45 22.6 264.7 4.6 55.1 -3 710 No stop 02 09 00 --- 04 03 30 22.5 264.8 4.6 55.1 42 715 02 08 16 02 09 00 J2327+0940 04 03 30 22.9 265.7 4.6 55.4 -3 715 No stop 02 09 45 =2325+093 04 04 15 22.8 265.8 4.6 55.4 42 721 02 09 01 02 09 45 NGC7674 04 04 15 22.3 264.9 4.6 55.1 -3 721 No stop 02 10 30 --- 04 05 01 22.2 265.0 4.6 55.1 42 727 02 09 46 02 10 30 J2327+0940 04 05 01 22.6 265.9 4.6 55.4 -3 727 No stop 02 11 00 =2325+093 04 05 31 22.5 266.0 4.6 55.4 27 731 02 10 31 02 11 00 NGC7674 04 05 31 22.1 265.1 4.6 55.1 -3 731 No stop 02 11 45 --- 04 06 16 21.9 265.2 4.6 55.2 42 737 02 11 01 Schedule for KVNUS (Code Ku ) Page 11 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 02 11 45 J2327+0940 04 06 16 22.3 266.1 4.6 55.5 -3 737 No stop 02 12 30 =2325+093 04 07 01 22.2 266.2 4.6 55.5 42 742 02 11 46 02 12 30 NGC7674 04 07 01 21.8 265.4 4.6 55.2 -3 742 No stop 02 13 15 --- 04 07 46 21.6 265.5 4.6 55.2 42 748 02 12 31 02 13 55 J2327+0940 04 08 26 21.9 266.4 4.7 55.5 37 748 02 13 55 02 14 25 =2325+093 04 08 56 21.8 266.5 4.7 55.5 30 752 02 13 56 02 14 25 NGC7674 04 08 56 21.4 265.6 4.7 55.2 -3 752 No stop 02 15 10 --- 04 09 41 21.2 265.8 4.7 55.2 42 758 02 14 26 02 15 10 J2327+0940 04 09 41 21.6 266.6 4.7 55.5 -3 758 No stop 02 15 55 =2325+093 04 10 27 21.5 266.7 4.7 55.5 42 763 02 15 11 02 15 55 NGC7674 04 10 27 21.1 265.9 4.7 55.2 -3 763 No stop 02 16 40 --- 04 11 12 20.9 266.0 4.7 55.2 42 769 02 15 56 02 16 40 J2327+0940 04 11 12 21.3 266.8 4.7 55.5 -3 769 No stop 02 17 25 =2325+093 04 11 57 21.2 266.9 4.7 55.5 42 775 02 16 41 02 17 25 J2329+0834 04 11 57 20.9 265.7 4.7 55.2 -3 775 No stop 02 18 10 =2326+082 04 12 42 20.7 265.9 4.7 55.2 42 781 02 17 26 02 18 50 J2327+0940 04 13 22 20.9 267.2 4.7 55.5 37 781 02 18 50 02 22 50 =2325+093 04 17 23 20.1 267.8 4.8 55.6 240 812 02 18 51 02 22 50 J2327+0940 04 17 23 20.1 267.8 4.8 55.6 -2 812 No stop 02 23 20 =2325+093 04 17 53 20.0 267.8 4.8 55.6 28 815 02 22 51 02 23 20 NGC7674 04 17 53 19.6 267.0 4.8 55.3 -3 815 No stop 02 24 05 --- 04 18 38 19.4 267.1 4.8 55.3 42 821 02 23 21 02 24 05 J2327+0940 04 18 38 19.8 267.9 4.8 55.6 -3 821 No stop 02 24 50 =2325+093 04 19 23 19.7 268.0 4.8 55.6 42 827 02 24 06 02 24 50 NGC7674 04 19 23 19.3 267.2 4.8 55.3 -3 827 No stop 02 25 35 --- 04 20 08 19.1 267.3 4.9 55.3 42 833 02 24 51 02 25 35 J2327+0940 04 20 08 19.5 268.2 4.9 55.6 -3 833 No stop 02 26 05 =2325+093 04 20 38 19.4 268.2 4.9 55.6 27 837 02 25 36 02 26 05 NGC7674 04 20 38 19.0 267.4 4.9 55.4 -3 837 No stop 02 26 50 --- 04 21 23 18.8 267.5 4.9 55.4 42 842 02 26 06 Schedule for KVNUS (Code Ku ) Page 12 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 02 26 50 J2327+0940 04 21 23 19.3 268.3 4.9 55.6 -3 842 No stop 02 27 35 =2325+093 04 22 08 19.1 268.5 4.9 55.6 42 848 02 26 51 02 27 35 NGC7674 04 22 08 18.7 267.6 4.9 55.4 -3 848 No stop 02 28 20 --- 04 22 54 18.5 267.7 4.9 55.4 42 854 02 27 36 02 29 00 J2327+0940 04 23 34 18.8 268.7 4.9 55.6 37 854 02 29 00 02 29 30 =2325+093 04 24 04 18.7 268.7 4.9 55.6 30 858 02 29 01 02 29 30 NGC7674 04 24 04 18.3 267.9 4.9 55.4 -3 858 No stop 02 30 15 --- 04 24 49 18.1 268.0 4.9 55.4 42 863 02 29 31 02 30 15 J2327+0940 04 24 49 18.6 268.8 4.9 55.6 -3 863 No stop 02 31 00 =2325+093 04 25 34 18.4 269.0 5.0 55.6 42 869 02 30 16 02 31 00 NGC7674 04 25 34 18.0 268.1 4.9 55.4 -3 869 No stop 02 31 45 --- 04 26 19 17.8 268.2 5.0 55.4 42 875 02 31 01 02 31 45 J2327+0940 04 26 19 18.3 269.1 5.0 55.6 -3 875 No stop 02 32 30 =2325+093 04 27 04 18.1 269.2 5.0 55.6 42 881 02 31 46 02 32 30 J2329+0834 04 27 04 17.8 268.0 5.0 55.3 -3 881 No stop 02 33 15 =2326+082 04 27 49 17.7 268.1 5.0 55.3 42 887 02 32 31 02 33 15 J2327+0940 04 27 49 18.0 269.3 5.0 55.6 -3 887 No stop 02 33 45 =2325+093 04 28 19 17.9 269.4 5.0 55.6 27 890 02 33 16 02 33 45 NGC7674 04 28 19 17.4 268.5 5.0 55.4 -3 890 No stop 02 34 30 --- 04 29 05 17.3 268.6 5.0 55.4 42 896 02 33 46 02 34 30 J2327+0940 04 29 05 17.7 269.5 5.0 55.6 -3 896 No stop 02 35 15 =2325+093 04 29 50 17.6 269.6 5.0 55.6 42 902 02 34 31 02 35 15 NGC7674 04 29 50 17.1 268.8 5.0 55.4 -3 902 No stop 02 36 00 --- 04 30 35 17.0 268.9 5.0 55.4 42 908 02 35 16 02 36 00 J2327+0940 04 30 35 17.4 269.7 5.0 55.7 -3 908 No stop 02 36 30 =2325+093 04 31 05 17.3 269.8 5.0 55.7 27 912 02 36 01 02 36 30 NGC7674 04 31 05 16.9 268.9 5.0 55.4 -3 912 No stop 02 37 15 --- 04 31 50 16.7 269.0 5.0 55.4 42 917 02 36 31 02 37 15 J2327+0940 04 31 50 17.1 269.9 5.1 55.7 -3 917 No stop 02 38 00 =2325+093 04 32 35 17.0 270.0 5.1 55.7 42 923 02 37 16 Schedule for KVNUS (Code Ku ) Page 13 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 02 38 00 NGC7674 04 32 35 16.6 269.2 5.1 55.4 -3 923 No stop 02 38 45 --- 04 33 20 16.4 269.3 5.1 55.4 42 929 02 38 01 02 39 25 J2327+0940 04 34 00 16.7 270.2 5.1 55.7 37 929 02 39 25 02 39 55 =2325+093 04 34 30 16.6 270.3 5.1 55.7 30 933 02 39 26 02 39 55 NGC7674 04 34 30 16.2 269.4 5.1 55.4 -3 933 No stop 02 40 40 --- 04 35 16 16.0 269.5 5.1 55.4 42 938 02 39 56 02 40 40 J2327+0940 04 35 16 16.4 270.4 5.1 55.6 -3 938 No stop 02 41 25 =2325+093 04 36 01 16.3 270.5 5.1 55.6 42 944 02 40 41 02 41 25 NGC7674 04 36 01 15.9 269.7 5.1 55.4 -3 944 No stop 02 42 10 --- 04 36 46 15.7 269.8 5.1 55.4 42 950 02 41 26 02 42 10 J2327+0940 04 36 46 16.1 270.6 5.1 55.6 -3 950 No stop 02 42 55 =2325+093 04 37 31 16.0 270.7 5.2 55.6 42 956 02 42 11 02 42 55 J2329+0834 04 37 31 15.7 269.5 5.1 55.4 -3 956 No stop 02 43 40 =2326+082 04 38 16 15.5 269.6 5.1 55.4 42 962 02 42 56 02 43 40 J2327+0940 04 38 16 15.8 270.8 5.2 55.6 -3 962 No stop 02 44 10 =2325+093 04 38 46 15.7 270.9 5.2 55.6 27 965 02 43 41 02 44 10 NGC7674 04 38 46 15.3 270.1 5.2 55.4 -3 965 No stop 02 44 55 --- 04 39 31 15.2 270.2 5.2 55.4 42 971 02 44 11 02 44 55 J2327+0940 04 39 31 15.6 271.0 5.2 55.6 -3 971 No stop 02 45 40 =2325+093 04 40 16 15.4 271.1 5.2 55.6 42 977 02 44 56 02 45 40 NGC7674 04 40 16 15.0 270.3 5.2 55.4 -3 977 No stop 02 46 25 --- 04 41 02 14.9 270.4 5.2 55.4 42 983 02 45 41 02 46 25 J2327+0940 04 41 02 15.3 271.2 5.2 55.6 -3 983 No stop 02 46 55 =2325+093 04 41 32 15.2 271.3 5.2 55.6 27 987 02 46 26 02 46 55 NGC7674 04 41 32 14.7 270.5 5.2 55.4 -3 987 No stop 02 47 40 --- 04 42 17 14.6 270.6 5.2 55.4 42 992 02 46 56 02 47 40 J2327+0940 04 42 17 15.0 271.4 5.2 55.6 -3 992 No stop 02 48 25 =2325+093 04 43 02 14.9 271.5 5.2 55.6 42 998 02 47 41 02 48 25 NGC7674 04 43 02 14.4 270.7 5.2 55.4 -3 998 No stop 02 49 10 --- 04 43 47 14.3 270.8 5.2 55.4 42 1004 02 48 26 Schedule for KVNUS (Code Ku ) Page 14 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 02 49 50 J2327+0940 04 44 27 14.6 271.7 5.3 55.6 37 1004 02 49 50 02 50 20 =2325+093 04 44 57 14.5 271.8 5.3 55.6 30 1008 02 49 51 02 50 20 NGC7674 04 44 57 14.1 271.0 5.3 55.4 -3 1008 No stop 02 51 05 --- 04 45 42 13.9 271.1 5.3 55.4 42 1013 02 50 21 02 51 05 J2327+0940 04 45 42 14.3 271.9 5.3 55.6 -3 1013 No stop 02 51 50 =2325+093 04 46 27 14.2 272.0 5.3 55.6 42 1019 02 51 06 02 51 50 NGC7674 04 46 27 13.7 271.2 5.3 55.4 -3 1019 No stop 02 52 35 --- 04 47 13 13.6 271.3 5.3 55.4 42 1025 02 51 51 02 52 35 J2327+0940 04 47 13 14.0 272.1 5.3 55.6 -3 1025 No stop 02 53 20 =2325+093 04 47 58 13.9 272.2 5.3 55.6 42 1031 02 52 36 02 53 20 J2329+0834 04 47 58 13.6 271.0 5.3 55.4 -3 1031 No stop 02 54 05 =2326+082 04 48 43 13.4 271.2 5.3 55.4 42 1037 02 53 21 02 54 05 J2327+0940 04 48 43 13.7 272.3 5.3 55.6 -3 1037 No stop 02 54 35 =2325+093 04 49 13 13.6 272.4 5.3 55.6 27 1040 02 54 06 02 54 35 NGC7674 04 49 13 13.2 271.6 5.3 55.4 -3 1040 No stop 02 55 20 --- 04 49 58 13.0 271.7 5.4 55.4 42 1046 02 54 36 02 55 20 J2327+0940 04 49 58 13.5 272.5 5.4 55.6 -3 1046 No stop 02 56 05 =2325+093 04 50 43 13.3 272.6 5.4 55.6 42 1052 02 55 21 02 56 05 NGC7674 04 50 43 12.9 271.8 5.4 55.4 -3 1052 No stop 02 56 50 --- 04 51 28 12.7 271.9 5.4 55.4 42 1058 02 56 06 02 56 50 J2327+0940 04 51 28 13.2 272.7 5.4 55.6 -3 1058 No stop 02 57 20 =2325+093 04 51 58 13.1 272.8 5.4 55.6 27 1062 02 56 51 02 57 20 NGC7674 04 51 58 12.6 272.0 5.4 55.4 -3 1062 No stop 02 58 05 --- 04 52 43 12.5 272.1 5.4 55.4 42 1067 02 57 21 02 58 05 J2327+0940 04 52 43 12.9 272.9 5.4 55.5 -3 1067 No stop 02 58 50 =2325+093 04 53 29 12.7 273.0 5.4 55.5 42 1073 02 58 06 02 58 50 NGC7674 04 53 29 12.3 272.2 5.4 55.4 -3 1073 No stop 02 59 35 --- 04 54 14 12.2 272.3 5.4 55.4 42 1079 02 58 51 03 00 15 J2327+0940 04 54 54 12.5 273.2 5.4 55.5 37 1079 03 00 15 03 00 45 =2325+093 04 55 24 12.4 273.3 5.4 55.5 30 1083 03 00 16 Schedule for KVNUS (Code Ku ) Page 15 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 03 00 45 NGC7674 04 55 24 11.9 272.5 5.4 55.4 -3 1083 No stop 03 01 30 --- 04 56 09 11.8 272.6 5.5 55.4 42 1088 03 00 46 03 01 30 J2327+0940 04 56 09 12.2 273.4 5.5 55.5 -3 1088 No stop 03 02 15 =2325+093 04 56 54 12.1 273.5 5.5 55.5 42 1094 03 01 31 03 02 15 NGC7674 04 56 54 11.6 272.7 5.5 55.3 -3 1094 No stop 03 03 00 --- 04 57 39 11.5 272.8 5.5 55.3 42 1100 03 02 16 03 03 00 J2327+0940 04 57 39 11.9 273.6 5.5 55.5 -3 1100 No stop 03 03 45 =2325+093 04 58 24 11.7 273.7 5.5 55.5 42 1106 03 03 01 03 03 45 J2329+0834 04 58 24 11.4 272.6 5.5 55.3 -3 1106 No stop 03 04 30 =2326+082 04 59 09 11.3 272.7 5.5 55.3 42 1112 03 03 46 03 04 30 J2327+0940 04 59 09 11.6 273.8 5.5 55.5 -3 1112 No stop 03 05 00 =2325+093 04 59 40 11.5 273.9 5.5 55.5 27 1115 03 04 31 03 05 00 NGC7674 04 59 40 11.1 273.1 5.5 55.3 -3 1115 No stop 03 05 45 --- 05 00 25 10.9 273.2 5.5 55.3 42 1121 03 05 01 03 05 45 J2327+0940 05 00 25 11.3 274.0 5.5 55.5 -3 1121 No stop 03 06 30 =2325+093 05 01 10 11.2 274.1 5.5 55.4 42 1127 03 05 46 03 06 30 NGC7674 05 01 10 10.8 273.3 5.5 55.3 -3 1127 No stop 03 07 15 --- 05 01 55 10.6 273.4 5.6 55.3 42 1133 03 06 31 03 07 15 J2327+0940 05 01 55 11.0 274.2 5.6 55.4 -3 1133 No stop 03 07 45 =2325+093 05 02 25 10.9 274.3 5.6 55.4 27 1137 03 07 16 03 07 45 NGC7674 05 02 25 10.5 273.5 5.6 55.3 -3 1137 No stop 03 08 30 --- 05 03 10 10.4 273.6 5.6 55.3 42 1142 03 07 46 03 08 30 J2327+0940 05 03 10 10.8 274.4 5.6 55.4 -3 1142 No stop 03 09 15 =2325+093 05 03 55 10.6 274.5 5.6 55.4 42 1148 03 08 31 03 09 15 NGC7674 05 03 55 10.2 273.7 5.6 55.3 -3 1148 No stop 03 10 00 --- 05 04 40 10.0 273.8 5.6 55.3 42 1154 03 09 16 03 10 40 J2327+0940 05 05 20 10.3 274.7 5.6 55.4 37 1154 03 10 40 03 11 10 =2325+093 05 05 51 10.2 274.8 5.6 55.4 30 1158 03 10 41 03 11 10 NGC7674 05 05 51 9.8 274.0 5.6 55.2 -3 1158 No stop 03 11 55 --- 05 06 36 9.7 274.1 5.6 55.2 42 1163 03 11 11 Schedule for KVNUS (Code Ku ) Page 16 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 03 11 55 J2327+0940 05 06 36 10.1 274.9 5.6 55.4 -3 1163 No stop 03 12 40 =2325+093 05 07 21 9.9 275.0 5.6 55.3 42 1169 03 11 56 03 12 40 NGC7674 05 07 21 9.5 274.2 5.6 55.2 -3 1169 No stop 03 13 25 --- 05 08 06 9.4 274.3 5.7 55.2 42 1175 03 12 41 03 13 25 J2327+0940 05 08 06 9.8 275.1 5.7 55.3 -3 1175 No stop 03 14 10 =2325+093 05 08 51 9.6 275.2 5.7 55.3 42 1181 03 13 26 03 14 10 J2329+0834 05 08 51 9.3 274.0 5.6 55.2 -3 1181 No stop 03 14 55 =2326+082 05 09 36 9.2 274.2 5.7 55.2 42 1187 03 14 11 03 14 55 J2327+0940 05 09 36 9.5 275.3 5.7 55.3 -3 1187 No stop 03 15 25 =2325+093 05 10 06 9.4 275.4 5.7 55.3 27 1190 03 14 56 03 15 25 NGC7674 05 10 06 8.9 274.6 5.7 55.2 -3 1190 No stop 03 16 10 --- 05 10 51 8.8 274.7 5.7 55.2 42 1196 03 15 26 03 16 10 J2327+0940 05 10 51 9.2 275.5 5.7 55.3 -3 1196 No stop 03 16 55 =2325+093 05 11 37 9.1 275.6 5.7 55.3 42 1202 03 16 11 03 16 55 NGC7674 05 11 37 8.6 274.8 5.7 55.2 -3 1202 No stop 03 17 40 --- 05 12 22 8.5 274.9 5.7 55.1 42 1208 03 16 56 03 17 40 J2327+0940 05 12 22 8.9 275.7 5.7 55.2 -3 1208 No stop 03 18 10 =2325+093 05 12 52 8.8 275.8 5.7 55.2 27 1212 03 17 41 03 18 10 NGC7674 05 12 52 8.4 275.0 5.7 55.1 -3 1212 No stop 03 18 55 --- 05 13 37 8.2 275.1 5.7 55.1 42 1217 03 18 11 03 18 55 J2327+0940 05 13 37 8.7 275.9 5.8 55.2 -3 1217 No stop 03 19 40 =2325+093 05 14 22 8.5 276.0 5.8 55.2 42 1223 03 18 56 03 19 40 NGC7674 05 14 22 8.1 275.2 5.8 55.1 -3 1223 No stop 03 20 25 --- 05 15 07 7.9 275.3 5.8 55.1 42 1229 03 19 41 03 21 05 J2327+0940 05 15 47 8.2 276.2 5.8 55.2 37 1229 03 21 05 03 21 35 =2325+093 05 16 17 8.1 276.2 5.8 55.2 30 1233 03 21 06 03 21 35 NGC7674 05 16 17 7.7 275.4 5.8 55.1 -3 1233 No stop 03 22 20 --- 05 17 02 7.5 275.6 5.8 55.1 42 1238 03 21 36 03 22 20 J2327+0940 05 17 02 8.0 276.3 5.8 55.1 -3 1238 No stop 03 23 05 =2325+093 05 17 48 7.8 276.5 5.8 55.1 42 1244 03 22 21 Schedule for KVNUS (Code Ku ) Page 17 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 03 23 05 NGC7674 05 17 48 7.4 275.7 5.8 55.0 -3 1244 No stop 03 23 50 --- 05 18 33 7.2 275.8 5.8 55.0 42 1250 03 23 06 03 23 50 J2327+0940 05 18 33 7.7 276.6 5.8 55.1 -3 1250 No stop 03 24 35 =2325+093 05 19 18 7.5 276.7 5.8 55.1 42 1256 03 23 51 03 24 35 J2329+0834 05 19 18 7.2 275.5 5.8 55.0 -3 1256 No stop 03 25 20 =2326+082 05 20 03 7.0 275.6 5.8 55.0 42 1262 03 24 36 03 25 20 J2327+0940 05 20 03 7.4 276.8 5.9 55.1 -3 1262 No stop 03 25 50 =2325+093 05 20 33 7.3 276.8 5.9 55.1 27 1265 03 25 21 03 25 50 NGC7674 05 20 33 6.8 276.1 5.9 55.0 -3 1265 No stop 03 26 35 --- 05 21 18 6.7 276.2 5.9 55.0 42 1271 03 25 51 03 26 35 J2327+0940 05 21 18 7.1 277.0 5.9 55.0 -3 1271 No stop 03 27 20 =2325+093 05 22 03 7.0 277.1 5.9 55.0 42 1277 03 26 36 03 27 20 NGC7674 05 22 03 6.5 276.3 5.9 54.9 -3 1277 No stop 03 28 05 --- 05 22 48 6.4 276.4 5.9 54.9 42 1283 03 27 21 03 28 05 J2327+0940 05 22 48 6.8 277.2 5.9 55.0 -3 1283 No stop 03 28 35 =2325+093 05 23 18 6.7 277.2 5.9 55.0 27 1287 03 28 06 03 28 35 NGC7674 05 23 18 6.3 276.4 5.9 54.9 -3 1287 No stop 03 29 20 --- 05 24 04 6.1 276.6 5.9 54.9 42 1292 03 28 36 03 29 20 J2327+0940 05 24 04 6.6 277.3 5.9 55.0 -3 1292 No stop 03 30 05 =2325+093 05 24 49 6.4 277.5 5.9 54.9 42 1298 03 29 21 03 30 05 NGC7674 05 24 49 6.0 276.7 5.9 54.9 -3 1298 No stop 03 30 50 --- 05 25 34 5.8 276.8 5.9 54.9 42 1304 03 30 06 03 31 30 J2327+0940 05 26 14 6.1 277.7 6.0 54.9 37 1304 03 31 30 03 32 00 =2325+093 05 26 44 6.0 277.7 6.0 54.9 30 1308 03 31 31 03 32 00 NGC7674 05 26 44 5.6 276.9 6.0 54.8 -3 1308 No stop 03 32 45 --- 05 27 29 5.4 277.0 6.0 54.8 42 1313 03 32 01 03 32 45 J2327+0940 05 27 29 5.9 277.8 6.0 54.9 -3 1313 No stop 03 33 30 =2325+093 05 28 14 5.7 277.9 6.0 54.9 42 1319 03 32 46 03 33 30 NGC7674 05 28 14 5.3 277.2 6.0 54.8 -3 1319 No stop 03 34 15 --- 05 28 59 5.1 277.3 6.0 54.8 42 1325 03 33 31 Schedule for KVNUS (Code Ku ) Page 18 A sub-pc-separation SMBH binary in NGC7674? 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 ---------------------------------------------------------------------------------------- --- Mon 11 Jun 2018 Day 162 --- 03 34 15 J2327+0940 05 28 59 5.6 278.0 6.0 54.8 -3 1325 No stop 03 35 00 =2325+093 05 29 44 5.4 278.2 6.0 54.8 42 1331 03 34 16 03 35 00 J2329+0834 05 29 44 5.1 277.0 6.0 54.8 -3 1331 No stop 03 35 45 =2326+082 05 30 30 4.9 277.1 6.0 D 54.8 0 1337 03 35 01 03 35 45 J2327+0940 05 30 30 5.3 278.3 6.0 54.8 -3 1337 No stop 03 36 15 =2325+093 05 31 00 5.2 278.3 6.0 54.8 27 1340 03 35 46 03 37 00 J2327+0940 05 31 45 5.0 278.4 6.1 54.8 43 1340 03 37 00 03 37 45 =2325+093 05 32 30 4.9 278.5 6.1 D 54.7 0 1346 03 37 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess218.K1024 --- 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: 15 Station: KVNUS Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 13250.00 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 = 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 BBC SB= L L U U L L U U L L U U L L U U IF = D C D C D C D C D C D C D C D C The following frequency sets based on these setups were used. Frequency Set: 14 Setup file default. Used with PCAL = off LO sum= 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 BBC fr= 8937.49 8937.49 8937.49 8937.49 8969.49 8969.49 8969.49 8969.49 9001.49 9001.49 9001.49 9001.49 9033.49 9033.49 9033.49 9033.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 14 15 16 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * NGC7674 23 25 24.398602 * 23 27 56.700600 23 28 52.031054 0.00 08 30 12.67531 * 08 46 44.21200 08 52 40.92826 0.00 From catalog imbedded in main SCHED input file. Target source with two extended components, From Kharb and Derritt 2017 2325+093 23 25 01.451390 * 23 27 33.580572 23 28 28.859652 0.12 * J2327+0940 09 23 38.17562 * 09 40 09.46273 09 46 05.79965 0.11 From catalog imbedded in main SCHED input file. rfc_2015a Petrov, 2015, unpublished. 440 observations 2326+082 23 26 33.399694 * 23 29 05.786735 23 30 01.139596 0.21 * J2329+0834 08 17 43.59943 * 08 34 15.85376 08 40 12.85753 0.44 From catalog imbedded in main SCHED input file. rfc_2015a Petrov, 2015, unpublished. 135 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 NGC7674 sess218.K1024 1 2 3 4 5 6 7 8 9 13 14 3.150 186.810 J2327+0940 sess218.K1024 1 2 3 4 5 6 7 8 9 13 14 3.333 204.605 J2329+0834 sess218.K1024 1 2 3 4 5 6 7 8 9 13 14 0.525 29.587 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) NGC7674 83.9 J2327+0940 83.7 J2329+0834 83.7 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