COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: EVN observations of CSOs at 1.3cm (Session 1) Exp. Code: EY045A Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Xi Yan Address: Calaxy and Cosmology Group Xinjiang Astronomical Observatory (XAO), CAS 150 Science 1-Street, Urumqi 830011, China Phone: +86 17335173376 EMAIL: yanxi@xao.ac.cn Fax: Phone during observation: +86 17335173376 Observing mode: vlbi Notes: Target: J0111+3906 (relatively strong, 250~400 mJy) and 0402+379 (through phase-referencing) Fringe Finder: J0422+5324 (1.3 Jy at 22GHz) Phase-referencing calibrator of 0402+379: J0355+3909 (0.26mJy at 22GHz, relatively compact, 2.33 degrees apart on the sky) Schedule for URUMQI (Code Ur ) Page 2 EVN observations of CSOs at 1.3cm (Session 1) 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 ---------------------------------------------------------------------------------------- --- Tue 25 Feb 2025 Day 56 --- Next scan frequencies: 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 Next BBC frequencies: 147.49 147.49 147.49 147.49 211.49 211.49 211.49 211.49 275.49 275.49 275.49 275.49 339.49 339.49 339.49 339.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 09 30 00 3C454.3 01 40 43 45.7 245.3 2.8 43.4 0 0 09 30 00 09 34 00 --- 01 44 43 45.0 246.3 2.8 43.8 240 62 09 30 01 09 37 00 J0111+3906 01 47 44 82.2 239.9 0.6 54.2 102 62 09 37 00 09 40 00 =0108+388 01 50 44 81.8 242.3 0.6 56.1 180 108 09 37 01 09 40 30 J0111+3906 01 51 15 81.7 242.7 0.6 56.4 28 108 09 40 30 09 54 00 =0108+388 02 04 47 79.4 250.9 0.9 62.3 810 315 09 40 31 09 54 30 J0111+3906 02 05 17 79.3 251.1 0.9 62.4 28 315 09 54 30 10 08 00 =0108+388 02 18 49 77.0 256.7 1.1 65.8 810 523 09 54 31 10 08 30 J0111+3906 02 19 19 76.9 256.9 1.1 65.9 28 523 10 08 30 10 22 00 =0108+388 02 32 51 74.5 261.0 1.3 67.8 810 731 10 08 31 10 22 30 J0111+3906 02 33 21 74.4 261.2 1.3 67.8 28 731 10 22 30 10 36 00 =0108+388 02 46 54 72.0 264.5 1.6 68.9 810 938 10 22 31 10 36 30 J0111+3906 02 47 24 71.9 264.6 1.6 68.9 28 938 10 36 30 10 50 00 =0108+388 03 00 56 69.4 267.4 1.8 69.4 810 1146 10 36 31 10 50 30 J0111+3906 03 01 26 69.3 267.5 1.8 69.4 28 1146 10 50 30 11 04 00 =0108+388 03 14 58 66.9 270.0 2.0 69.6 810 1354 10 50 31 11 04 30 J0111+3906 03 15 28 66.8 270.1 2.0 69.6 28 1354 11 04 30 11 18 00 =0108+388 03 29 01 64.3 272.3 2.3 69.4 810 1562 11 04 31 11 18 30 J0111+3906 03 29 31 64.2 272.4 2.3 69.4 28 1562 11 18 30 11 32 00 =0108+388 03 43 03 61.8 274.4 2.5 69.1 810 1769 11 18 31 11 32 30 J0111+3906 03 43 33 61.7 274.5 2.5 69.1 28 1769 11 32 30 11 40 00 =0108+388 03 51 04 60.3 275.6 2.6 68.8 450 1885 11 32 31 11 40 30 J0111+3906 03 51 34 60.2 275.6 2.6 68.8 28 1885 11 40 30 11 50 30 =0108+388 04 01 36 58.4 277.0 2.8 68.4 600 2038 11 40 31 11 52 30 J0355+3909 04 03 36 85.6 196.9 0.1 15.9 34 2038 11 52 30 11 53 30 --- 04 04 36 85.5 199.3 0.1 18.1 60 2054 11 52 31 Schedule for URUMQI (Code Ur ) Page 3 EVN observations of CSOs at 1.3cm (Session 1) 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 ---------------------------------------------------------------------------------------- --- Tue 25 Feb 2025 Day 56 --- 11 53 30 0402+379 04 04 36 84.6 173.9 -0.0 -5.6 -28 2054 No stop 11 54 50 --- 04 05 57 84.6 176.7 -0.0 -3.0 52 2074 11 53 31 11 54 50 J0355+3909 04 05 57 85.4 202.4 0.1 21.0 -31 2074 No stop 11 56 10 --- 04 07 17 85.3 205.4 0.2 23.7 49 2095 11 54 51 11 56 10 0402+379 04 07 17 84.7 179.6 -0.0 -0.4 -29 2095 No stop 11 57 30 --- 04 08 37 84.7 182.4 0.0 2.2 51 2115 11 56 11 11 57 30 J0355+3909 04 08 37 85.2 208.3 0.2 26.3 -31 2115 No stop 11 58 50 --- 04 09 57 85.1 211.0 0.2 28.8 49 2136 11 57 31 11 58 50 0402+379 04 09 57 84.6 185.2 0.0 4.8 -29 2136 No stop 12 00 10 --- 04 11 18 84.6 188.0 0.1 7.4 51 2156 11 58 51 12 00 10 J0355+3909 04 11 18 85.0 213.6 0.2 31.2 -30 2156 No stop 12 01 30 --- 04 12 38 84.8 216.1 0.3 33.5 50 2177 12 00 11 12 01 30 0402+379 04 12 38 84.6 190.7 0.1 9.9 -28 2177 No stop 12 02 50 --- 04 13 58 84.5 193.4 0.1 12.4 52 2197 12 01 31 12 02 50 J0355+3909 04 13 58 84.7 218.4 0.3 35.6 -30 2197 No stop 12 04 10 --- 04 15 18 84.5 220.6 0.3 37.6 50 2218 12 02 51 12 04 10 0402+379 04 15 18 84.5 196.1 0.1 14.8 -28 2218 No stop 12 05 30 --- 04 16 38 84.4 198.7 0.2 17.2 52 2238 12 04 11 12 06 30 J0355+3909 04 17 39 84.3 224.2 0.3 40.8 31 2238 12 06 30 12 07 50 --- 04 18 59 84.1 226.1 0.4 42.5 80 2259 12 06 31 12 07 50 0402+379 04 18 59 84.2 203.1 0.2 21.2 -26 2259 No stop 12 09 10 --- 04 20 19 84.1 205.5 0.2 23.4 54 2279 12 07 51 12 09 10 J0355+3909 04 20 19 83.9 227.9 0.4 44.0 -27 2279 No stop 12 10 30 --- 04 21 39 83.7 229.6 0.4 45.5 53 2300 12 09 11 12 10 30 0402+379 04 21 39 84.0 207.8 0.2 25.5 -25 2300 No stop 12 11 50 --- 04 22 59 83.9 210.1 0.3 27.5 55 2321 12 10 31 12 11 50 J0355+3909 04 22 59 83.5 231.2 0.4 46.9 -26 2321 No stop 12 13 10 --- 04 24 20 83.3 232.8 0.5 48.2 54 2341 12 11 51 12 13 10 0402+379 04 24 20 83.8 212.2 0.3 29.5 -24 2341 No stop 12 14 30 --- 04 25 40 83.6 214.3 0.3 31.3 56 2362 12 13 11 Schedule for URUMQI (Code Ur ) Page 4 EVN observations of CSOs at 1.3cm (Session 1) 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 ---------------------------------------------------------------------------------------- --- Tue 25 Feb 2025 Day 56 --- 12 14 30 J0355+3909 04 25 40 83.1 234.2 0.5 49.5 -24 2362 No stop 12 15 50 --- 04 27 00 82.9 235.6 0.5 50.6 56 2382 12 14 31 12 15 50 0402+379 04 27 00 83.5 216.3 0.3 33.1 -23 2382 No stop 12 17 10 --- 04 28 20 83.4 218.2 0.3 34.8 57 2403 12 15 51 12 17 10 J0355+3909 04 28 20 82.7 236.9 0.5 51.7 -23 2403 No stop 12 18 30 --- 04 29 41 82.5 238.1 0.5 52.7 57 2423 12 17 11 12 18 30 0402+379 04 29 41 83.2 220.0 0.4 36.4 -22 2423 No stop 12 19 50 --- 04 31 01 83.1 221.8 0.4 37.9 58 2444 12 18 31 12 20 50 J0355+3909 04 32 01 82.2 240.1 0.6 54.3 38 2444 12 20 50 12 22 10 --- 04 33 21 82.0 241.2 0.6 55.2 80 2464 12 20 51 12 22 10 0402+379 04 33 21 82.8 224.6 0.4 40.4 -20 2464 No stop 12 23 30 --- 04 34 41 82.6 226.2 0.5 41.8 60 2485 12 22 11 12 23 30 J0355+3909 04 34 41 81.8 242.3 0.6 56.0 -20 2485 No stop 12 24 50 --- 04 36 02 81.5 243.2 0.7 56.8 60 2505 12 23 31 12 24 50 0402+379 04 36 02 82.4 227.7 0.5 43.0 -19 2505 No stop 12 26 10 --- 04 37 22 82.2 229.1 0.5 44.2 61 2526 12 24 51 12 26 10 J0355+3909 04 37 22 81.3 244.2 0.7 57.5 -19 2526 No stop 12 27 30 --- 04 38 42 81.1 245.1 0.7 58.2 61 2546 12 26 11 12 27 30 0402+379 04 38 42 82.0 230.5 0.5 45.4 -18 2546 No stop 12 28 50 --- 04 40 02 81.9 231.8 0.5 46.5 62 2567 12 27 31 12 28 50 J0355+3909 04 40 02 80.9 246.0 0.7 58.8 -18 2567 No stop 12 30 10 --- 04 41 22 80.7 246.8 0.7 59.4 62 2587 12 28 51 12 30 10 0402+379 04 41 22 81.7 233.0 0.6 47.5 -18 2587 No stop 12 31 30 --- 04 42 43 81.5 234.2 0.6 48.5 62 2608 12 30 11 12 31 30 J0355+3909 04 42 43 80.4 247.6 0.8 60.0 -17 2608 No stop 12 32 50 --- 04 44 03 80.2 248.3 0.8 60.5 63 2628 12 31 31 12 32 50 0402+379 04 44 03 81.3 235.4 0.6 49.4 -17 2628 No stop 12 34 10 --- 04 45 23 81.1 236.5 0.6 50.3 63 2649 12 32 51 12 35 10 J0355+3909 04 46 23 79.8 249.6 0.8 61.4 43 2649 12 35 10 12 36 30 --- 04 47 43 79.6 250.3 0.8 61.9 80 2669 12 35 11 Schedule for URUMQI (Code Ur ) Page 5 EVN observations of CSOs at 1.3cm (Session 1) 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 ---------------------------------------------------------------------------------------- --- Tue 25 Feb 2025 Day 56 --- 12 36 30 0402+379 04 47 43 80.7 238.3 0.7 51.7 -16 2669 No stop 12 37 50 --- 04 49 04 80.5 239.3 0.7 52.5 64 2690 12 36 31 12 37 50 J0355+3909 04 49 04 79.4 251.0 0.9 62.3 -16 2690 No stop 12 39 10 --- 04 50 24 79.1 251.6 0.9 62.7 64 2710 12 37 51 12 39 10 0402+379 04 50 24 80.3 240.3 0.7 53.2 -15 2710 No stop 12 40 30 --- 04 51 44 80.1 241.2 0.7 53.9 65 2731 12 39 11 12 40 30 J0355+3909 04 51 44 78.9 252.2 0.9 63.1 -15 2731 No stop 12 41 50 --- 04 53 04 78.7 252.8 0.9 63.5 65 2751 12 40 31 12 41 50 0402+379 04 53 04 79.9 242.1 0.8 54.6 -15 2751 No stop 12 43 10 --- 04 54 25 79.7 242.9 0.8 55.2 65 2772 12 41 51 12 43 10 J0355+3909 04 54 25 78.4 253.4 1.0 63.9 -15 2772 No stop 12 44 30 --- 04 55 45 78.2 254.0 1.0 64.2 65 2792 12 43 11 12 44 30 0402+379 04 55 45 79.4 243.7 0.8 55.8 -14 2792 No stop 12 45 50 --- 04 57 05 79.2 244.5 0.8 56.4 66 2813 12 44 31 12 45 50 J0355+3909 04 57 05 78.0 254.5 1.0 64.5 -14 2813 No stop 12 47 10 --- 04 58 25 77.7 255.0 1.0 64.8 66 2833 12 45 51 12 47 10 0402+379 04 58 25 79.0 245.3 0.8 56.9 -14 2833 No stop 12 48 30 --- 04 59 45 78.8 246.0 0.9 57.5 66 2854 12 47 11 12 49 30 J0355+3909 05 00 46 77.3 255.9 1.1 65.3 46 2854 12 49 30 12 50 50 --- 05 02 06 77.1 256.4 1.1 65.6 80 2874 12 49 31 12 50 50 0402+379 05 02 06 78.4 247.3 0.9 58.3 -13 2874 No stop 12 52 10 --- 05 03 26 78.2 247.9 0.9 58.8 67 2895 12 50 51 12 52 10 J0355+3909 05 03 26 76.8 256.9 1.1 65.8 -13 2895 No stop 12 53 30 --- 05 04 46 76.6 257.3 1.1 66.1 67 2915 12 52 11 12 53 30 0402+379 05 04 46 77.9 248.6 1.0 59.2 -13 2915 No stop 12 54 50 --- 05 06 06 77.7 249.2 1.0 59.6 67 2936 12 53 31 12 54 50 J0355+3909 05 06 06 76.4 257.8 1.2 66.3 -13 2936 No stop 12 56 10 --- 05 07 27 76.1 258.2 1.2 66.5 67 2956 12 54 51 12 56 10 0402+379 05 07 27 77.5 249.8 1.0 60.0 -12 2956 No stop 12 57 30 --- 05 08 47 77.3 250.4 1.0 60.4 68 2977 12 56 11 Schedule for URUMQI (Code Ur ) Page 6 EVN observations of CSOs at 1.3cm (Session 1) 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 ---------------------------------------------------------------------------------------- --- Tue 25 Feb 2025 Day 56 --- 12 57 30 J0355+3909 05 08 47 75.9 258.6 1.2 66.7 -12 2977 No stop 12 58 50 --- 05 10 07 75.7 259.0 1.2 66.9 68 2997 12 57 31 12 58 50 0402+379 05 10 07 77.0 251.0 1.0 60.7 -12 2997 No stop 13 00 10 --- 05 11 27 76.8 251.6 1.1 61.1 68 3018 12 58 51 13 00 10 J0355+3909 05 11 27 75.4 259.5 1.2 67.1 -12 3018 No stop 13 01 30 --- 05 12 48 75.2 259.8 1.3 67.2 68 3038 13 00 11 13 01 30 0402+379 05 12 48 76.6 252.1 1.1 61.4 -12 3038 No stop 13 02 50 --- 05 14 08 76.3 252.7 1.1 61.7 68 3059 13 01 31 13 03 50 J0355+3909 05 15 08 74.8 260.5 1.3 67.5 48 3059 13 03 50 13 05 10 --- 05 16 28 74.5 260.9 1.3 67.7 80 3079 13 03 51 13 05 10 0402+379 05 16 28 75.9 253.6 1.1 62.2 -11 3079 No stop 13 06 30 --- 05 17 48 75.7 254.1 1.2 62.5 69 3100 13 05 11 13 06 30 J0355+3909 05 17 48 74.3 261.3 1.3 67.8 -11 3100 No stop 13 07 50 --- 05 19 09 74.0 261.6 1.4 67.9 69 3121 13 06 31 13 07 50 0402+379 05 19 09 75.5 254.5 1.2 62.8 -11 3121 No stop 13 09 10 --- 05 20 29 75.2 255.0 1.2 63.0 69 3141 13 07 51 13 09 10 J0355+3909 05 20 29 73.8 262.0 1.4 68.1 -11 3141 No stop 13 10 30 --- 05 21 49 73.6 262.3 1.4 68.2 69 3162 13 09 11 13 10 30 0402+379 05 21 49 75.0 255.5 1.2 63.3 -11 3162 No stop 13 11 50 --- 05 23 09 74.8 255.9 1.3 63.5 69 3182 13 10 31 13 11 50 J0355+3909 05 23 09 73.3 262.6 1.4 68.3 -11 3182 No stop 13 13 10 --- 05 24 29 73.1 263.0 1.5 68.4 69 3203 13 11 51 13 13 10 0402+379 05 24 29 74.5 256.4 1.3 63.7 -11 3203 No stop 13 14 30 --- 05 25 50 74.3 256.8 1.3 63.9 69 3223 13 13 11 13 14 30 J0355+3909 05 25 50 72.8 263.3 1.5 68.5 -11 3223 No stop 13 15 50 --- 05 27 10 72.6 263.6 1.5 68.6 69 3244 13 14 31 13 15 50 0402+379 05 27 10 74.1 257.2 1.3 64.1 -10 3244 No stop 13 17 10 --- 05 28 30 73.8 257.6 1.4 64.3 70 3264 13 15 51 13 18 10 J0355+3909 05 29 30 72.2 264.2 1.5 68.7 50 3264 13 18 10 13 19 30 --- 05 30 51 71.9 264.5 1.6 68.8 80 3285 13 18 11 Schedule for URUMQI (Code Ur ) Page 7 EVN observations of CSOs at 1.3cm (Session 1) 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 ---------------------------------------------------------------------------------------- --- Tue 25 Feb 2025 Day 56 --- 13 19 30 0402+379 05 30 51 73.4 258.3 1.4 64.6 -10 3285 No stop 13 20 50 --- 05 32 11 73.2 258.7 1.4 64.8 70 3305 13 19 31 13 20 50 J0355+3909 05 32 11 71.7 264.8 1.6 68.9 -10 3305 No stop 13 22 10 --- 05 33 31 71.5 265.1 1.6 69.0 70 3326 13 20 51 13 24 10 J0422+5324 05 35 31 74.7 316.8 1.2 123.5 64 3326 13 24 10 13 29 10 =0418+532 05 40 32 74.0 315.4 1.3 121.1 300 3403 13 24 11 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess125.K2048 --- 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: 9 Station: URUMQI Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 21992.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 The following frequency sets based on these setups were used. Frequency Set: 12 Setup file default. Used with PCAL = off LO sum= 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 BBC fr= 147.49 147.49 147.49 147.49 211.49 211.49 211.49 211.49 275.49 275.49 275.49 275.49 339.49 339.49 339.49 339.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 12 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J0355+3909 03 51 56.635287 * 03 55 16.590900 03 56 57.142590 0.00 39 00 24.86250 * 39 09 09.80500 39 13 43.96170 0.00 From catalog imbedded in main SCHED input file. 0108+388 01 08 47.254574 * 01 11 37.316770 01 13 01.585478 0.05 * J0111+3906 38 50 32.81430 * 39 06 28.10393 39 14 33.46890 0.05 J0111+39 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 644 observations. * 0402+379 04 02 29.863331 * 04 05 49.262754 04 07 29.616698 0.18 J0405+3803 37 55 27.11233 * 38 03 32.23441 38 07 46.08933 0.18 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 92 observations. 0418+532 04 18 49.157437 * 04 22 44.398872 04 24 42.988240 0.22 * J0422+5324 53 17 25.97780 * 53 24 26.26326 53 28 11.74196 0.22 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 62 observations. * 3C454.3 22 51 29.519739 * 22 53 57.747939 22 55 10.938013 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 16 48.88479 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 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 J0355+3909 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 0.706 74.836 J0111+3906 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 2.142 320.717 0402+379 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 0.689 68.076 J0422+5324 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 0.083 11.333 3C454.3 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 0.067 10.200 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) J0355+3909 88.3 J0111+3906 60.4 0402+379 90.1 J0422+5324 95.6 3C454.3 25.7 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