COVER INFORMATION Station: VLBA_HN (Code Hn ) Experiment: RadioAstron AGN polarization imaging Exp. Code: gg081c Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Jose L. Gomez Address: Instituto de Astrofisica de Andalucia-CSIC Glorieta de la Astronomia E-18008 Granada, Spain Phone: +79165452842 EMAIL: jlgomez@iaa.es, alobanov@mpifr-bonn.mpg.de Fax: Phone during observation: +79165452842 Observing mode: K-band,Q-band, dual-pol Notes: K-band, Radioastron-compatible frequency setup P-CAL is ON Tsys is ON auto-level (AGC) is ON Schedule for VLBA_HN (Code Hn ) Page 2 RadioAstron AGN polarization imaging 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 7 Mar 2017 Day 66 --- ---------- K-band VLBI scans. Space segment 03: 0851+202 with EVN+KVN+VLBA ---------- Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 21 00 30 0851+202 03 15 37 17.0 78.2 -5.7 -49.7 0 0 21 00 30 21 10 00 --- 03 25 09 18.7 79.7 -5.5 -50.1 570 73 21 00 20 ---------- K-band VLBI scans. Ground segment 03: target source with EVN+VLBA+HH ---------- 21 10 30 0716+714 03 25 39 49.8 25.4 -4.0 -101.9 -48 73 21 11 18 21 18 30 --- 03 33 40 50.5 25.1 -3.8 -104.0 432 129 21 10 20 21 19 00 0851+202 03 34 11 20.4 81.1 -5.4 -50.4 -45 129 21 19 45 21 30 00 --- 03 45 12 22.4 82.9 -5.2 -50.7 615 208 21 18 50 21 30 30 0851+202 03 45 42 22.5 83.0 -5.2 -50.7 24 208 21 30 19 21 40 00 --- 03 55 14 24.2 84.5 -5.0 -50.9 570 283 21 30 20 21 40 30 0851+202 03 55 44 24.3 84.6 -5.0 -50.9 24 283 21 40 19 21 50 00 --- 04 05 16 26.0 86.2 -4.8 -51.0 570 358 21 40 20 21 50 30 0851+202 04 05 46 26.1 86.3 -4.8 -51.0 24 358 21 50 19 22 00 00 --- 04 15 17 27.9 87.8 -4.7 -51.1 570 433 21 50 20 22 00 30 0851+202 04 15 47 27.9 87.9 -4.7 -51.2 24 433 22 00 19 22 08 30 --- 04 23 49 29.4 89.3 -4.5 -51.2 480 496 22 00 20 22 09 00 0851+202 04 24 19 29.5 89.4 -4.5 -51.2 24 496 22 08 49 22 18 30 --- 04 33 50 31.2 91.0 -4.4 -51.2 570 571 22 08 50 22 19 00 0851+202 04 34 20 31.3 91.1 -4.4 -51.2 24 571 22 18 49 22 28 30 --- 04 43 52 33.1 92.7 -4.2 -51.1 570 646 22 18 50 22 29 00 0851+202 04 44 22 33.2 92.8 -4.2 -51.1 24 646 22 28 49 22 38 30 --- 04 53 54 34.9 94.5 -4.0 -51.0 570 721 22 28 50 22 39 00 0851+202 04 54 24 35.0 94.6 -4.0 -51.0 24 721 22 38 49 22 48 30 --- 05 03 55 36.7 96.3 -3.9 -50.8 570 795 22 38 50 22 49 00 0851+202 05 04 25 36.8 96.4 -3.9 -50.8 24 795 22 48 49 22 58 30 --- 05 13 57 38.6 98.2 -3.7 -50.5 570 870 22 48 50 22 59 00 0851+202 05 14 27 38.7 98.3 -3.7 -50.5 24 870 22 58 49 23 08 30 --- 05 23 59 40.4 100.2 -3.5 -50.1 570 945 22 58 50 Schedule for VLBA_HN (Code Hn ) Page 3 RadioAstron AGN polarization imaging 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 7 Mar 2017 Day 66 --- 23 09 00 0851+202 05 24 29 40.5 100.3 -3.5 -50.1 24 945 23 08 49 23 18 30 --- 05 34 00 42.2 102.2 -3.4 -49.6 570 1020 23 08 50 23 19 00 0851+202 05 34 30 42.3 102.3 -3.4 -49.6 24 1020 23 18 49 23 28 30 --- 05 44 02 44.0 104.3 -3.2 -49.0 570 1095 23 18 50 23 28 30 0851+202 05 44 02 44.0 104.3 -3.2 -49.0 -6 1095 23 28 36 23 30 00 --- 05 45 32 44.2 104.6 -3.2 -48.9 84 1106 23 28 31 23 30 30 0851+202 05 46 02 44.3 104.7 -3.2 -48.9 24 1106 23 30 19 23 38 30 --- 05 54 03 45.7 106.5 -3.0 -48.4 480 1169 23 30 20 23 39 00 0851+202 05 54 34 45.8 106.6 -3.0 -48.3 24 1169 23 38 49 23 44 30 --- 06 00 04 46.8 107.9 -2.9 -47.9 330 1213 23 38 50 ---------- K-band VLBI scans. Space segment 04: 0851+202 with EVN ---------- 23 45 00 0851+202 06 00 35 46.9 108.0 -2.9 -47.8 24 1213 23 44 49 23 55 00 --- 06 10 36 48.6 110.3 -2.8 -46.9 600 1292 23 44 50 --- Start: Tue 7 Mar 2017 Day 66 -- Stop: Wed 8 Mar 2017 Day 67 --- 23 55 30 0851+202 06 11 06 48.7 110.5 -2.7 -46.9 24 1292 23 55 19 00 05 00 --- 06 20 38 50.3 112.8 -2.6 -45.9 570 1366 23 55 20 00 05 30 0851+202 06 21 08 50.4 113.0 -2.6 -45.9 24 1366 00 05 19 00 15 00 --- 06 30 39 52.0 115.5 -2.4 -44.7 570 1441 00 05 20 00 15 30 0851+202 06 31 10 52.1 115.6 -2.4 -44.6 24 1441 00 15 19 00 16 30 --- 06 32 10 52.2 115.9 -2.4 -44.5 60 1450 00 15 20 00 16 40 0851+202 06 32 20 52.3 115.9 -2.4 -44.5 4 1450 00 16 36 00 25 00 --- 06 40 41 53.6 118.3 -2.3 -43.3 500 1515 00 16 31 00 25 30 0851+202 06 41 11 53.7 118.4 -2.2 -43.3 24 1515 00 25 19 00 26 30 --- 06 42 11 53.9 118.7 -2.2 -43.1 60 1524 00 25 20 00 26 40 0851+202 06 42 21 53.9 118.8 -2.2 -43.1 4 1524 00 26 36 00 35 00 --- 06 50 43 55.2 121.3 -2.1 -41.8 500 1589 00 26 31 00 35 30 0851+202 06 51 13 55.3 121.4 -2.1 -41.7 24 1589 00 35 19 00 36 30 --- 06 52 13 55.4 121.7 -2.1 -41.5 60 1599 00 35 20 00 36 40 0851+202 06 52 23 55.5 121.8 -2.1 -41.5 4 1599 00 36 36 00 45 00 --- 07 00 44 56.8 124.4 -1.9 -40.0 500 1663 00 36 31 Schedule for VLBA_HN (Code Hn ) Page 4 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- ---------- K-band VLBI scans. Ground segment 04: target source with EVN+VLBA+GBT ---------- 00 45 30 0851+202 07 01 14 56.8 124.6 -1.9 -39.9 24 1663 00 45 19 00 46 30 --- 07 02 15 57.0 124.9 -1.9 -39.7 60 1673 00 45 20 00 46 40 0851+202 07 02 25 57.0 125.0 -1.9 -39.7 4 1673 00 46 36 00 57 00 --- 07 12 46 58.5 128.6 -1.7 -37.5 620 1753 00 46 31 ---------- Ground-only VLBA+Ef U-band on target source ---------- Next scan frequencies: 15337.00 15337.00 15369.00 15369.00 15401.00 15401.00 15433.00 15433.00 Next BBC frequencies: 737.00 737.00 769.00 769.00 801.00 801.00 833.00 833.00 00 58 00 0851+202 07 13 47 58.7 128.9 -1.7 -37.3 54 1753 00 57 49 01 06 00 --- 07 21 48 59.8 131.9 -1.6 -35.5 480 1816 00 57 50 ---------- Ground-only VLBA+VLA27+Ef+Yb Q-band on target source ---------- Next scan frequencies: 43127.25 43127.25 43159.25 43159.25 43191.25 43191.25 43223.25 43223.25 Next BBC frequencies: 727.25 727.25 759.25 759.25 791.25 791.25 823.25 823.25 01 07 00 0851+202 07 22 48 59.9 132.3 -1.6 -35.2 54 1816 01 06 49 01 08 00 --- 07 23 48 60.1 132.7 -1.5 -35.0 60 1825 01 06 50 01 08 10 0851+202 07 23 58 60.1 132.7 -1.5 -34.9 4 1825 01 08 06 01 17 00 --- 07 32 50 61.2 136.2 -1.4 -32.6 530 1894 01 08 01 Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 01 18 00 0851+202 07 33 50 61.4 136.7 -1.4 -32.3 54 1894 01 17 49 01 19 00 --- 07 34 50 61.5 137.1 -1.3 -32.1 60 1903 01 17 50 01 19 10 0851+202 07 35 00 61.5 137.1 -1.3 -32.0 4 1903 01 19 06 01 26 10 --- 07 42 01 62.4 140.1 -1.2 -30.0 420 1958 01 19 01 01 26 40 0851+202 07 42 31 62.4 140.4 -1.2 -29.8 24 1958 01 26 29 01 27 40 --- 07 43 31 62.5 140.8 -1.2 -29.5 60 1967 01 26 30 01 27 50 0851+202 07 43 41 62.6 140.9 -1.2 -29.4 4 1967 01 27 46 01 36 10 --- 07 52 03 63.5 144.7 -1.1 -26.8 500 2032 01 27 41 01 36 40 0851+202 07 52 33 63.5 144.9 -1.1 -26.6 24 2032 01 36 29 01 37 40 --- 07 53 33 63.6 145.4 -1.0 -26.3 60 2041 01 36 30 01 37 50 0851+202 07 53 43 63.7 145.5 -1.0 -26.2 4 2041 01 37 46 01 46 10 --- 08 02 04 64.5 149.6 -0.9 -23.2 500 2106 01 37 41 Schedule for VLBA_HN (Code Hn ) Page 5 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- 01 46 40 0851+202 08 02 35 64.5 149.8 -0.9 -23.1 24 2106 01 46 29 01 47 40 --- 08 03 35 64.6 150.3 -0.9 -22.7 60 2115 01 46 30 01 47 50 0851+202 08 03 45 64.6 150.4 -0.9 -22.6 4 2115 01 47 46 01 56 10 --- 08 12 06 65.3 154.7 -0.7 -19.4 500 2180 01 47 41 01 56 40 0851+202 08 12 36 65.4 155.0 -0.7 -19.2 24 2180 01 56 29 01 57 40 --- 08 13 36 65.5 155.5 -0.7 -18.8 60 2189 01 56 30 01 57 50 0851+202 08 13 46 65.5 155.6 -0.7 -18.8 4 2189 01 57 46 02 06 10 --- 08 22 08 66.0 160.2 -0.6 -15.3 500 2254 01 57 41 02 06 40 0851+202 08 22 38 66.1 160.5 -0.6 -15.1 24 2254 02 06 29 02 15 40 --- 08 31 39 66.6 165.6 -0.4 -11.2 540 2325 02 06 30 ---------- Ground-only VLBA+Ef U-band on target source ---------- Next scan frequencies: 15337.00 15337.00 15369.00 15369.00 15401.00 15401.00 15433.00 15433.00 Next BBC frequencies: 737.00 737.00 769.00 769.00 801.00 801.00 833.00 833.00 02 17 00 0851+202 08 32 59 66.6 166.4 -0.4 -10.6 74 2325 02 16 49 02 26 30 --- 08 42 31 66.9 172.0 -0.2 -6.2 570 2400 02 16 50 ---------- Ground-only VLBA+VLA27+Ef+Yb Q-band on target source ---------- Next scan frequencies: 43127.25 43127.25 43159.25 43159.25 43191.25 43191.25 43223.25 43223.25 Next BBC frequencies: 727.25 727.25 759.25 759.25 791.25 791.25 823.25 823.25 02 27 30 0851+202 08 43 31 67.0 172.6 -0.2 -5.8 54 2400 02 27 19 02 28 30 --- 08 44 31 67.0 173.2 -0.2 -5.3 60 2409 02 27 20 02 28 40 0851+202 08 44 41 67.0 173.3 -0.2 -5.2 4 2409 02 28 36 02 37 30 --- 08 53 33 67.1 178.6 -0.0 -1.1 530 2478 02 28 31 Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 02 38 00 0851+202 08 54 03 67.1 178.9 -0.0 -0.8 24 2478 02 37 49 02 39 00 --- 08 55 03 67.1 179.5 -0.0 -0.4 60 2487 02 37 50 02 39 10 0851+202 08 55 13 67.1 179.6 -0.0 -0.3 4 2487 02 39 06 02 49 30 --- 09 05 35 67.0 185.9 0.2 4.6 620 2567 02 39 01 Schedule for VLBA_HN (Code Hn ) Page 6 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- ---------- Ground-only VLBA U-band on target source ---------- Next scan frequencies: 15337.00 15337.00 15369.00 15369.00 15401.00 15401.00 15433.00 15433.00 Next BBC frequencies: 737.00 737.00 769.00 769.00 801.00 801.00 833.00 833.00 02 51 00 0716+714 09 07 05 58.9 344.3 1.7 141.9 -35 2567 02 51 35 02 56 30 --- 09 12 36 58.6 343.7 1.8 140.0 295 2605 02 50 50 Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 02 57 30 0716+714 09 13 36 58.6 343.5 1.8 139.7 54 2605 02 57 19 02 58 30 --- 09 14 36 58.5 343.4 1.8 139.3 60 2615 02 57 20 02 58 40 0716+714 09 14 46 58.5 343.4 1.8 139.3 4 2615 02 58 36 03 01 30 --- 09 17 37 58.4 343.1 1.9 138.3 170 2637 02 58 31 03 02 00 0716+714 09 18 07 58.4 343.0 1.9 138.1 24 2637 03 01 49 03 03 00 --- 09 19 07 58.3 342.9 1.9 137.8 60 2646 03 01 50 03 03 10 0716+714 09 19 17 58.3 342.9 1.9 137.8 4 2646 03 03 06 03 08 00 --- 09 24 08 58.0 342.4 2.0 136.2 290 2684 03 03 01 ---------- Ground-only VLBA U-band on target source ---------- Next scan frequencies: 43127.25 43127.25 43159.25 43159.25 43191.25 43191.25 43223.25 43223.25 Next BBC frequencies: 727.25 727.25 759.25 759.25 791.25 791.25 823.25 823.25 03 09 00 0716+714 09 25 08 58.0 342.2 2.0 135.8 54 2684 03 08 49 03 16 00 --- 09 32 09 57.6 341.5 2.1 133.5 420 2740 03 08 50 ---------- K-band VLBI scans. Space segment 05: 0851+202 with EVN+VLBA+VLA27+GBT ---------- Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 03 20 00 0851+202 09 36 10 65.6 203.5 0.7 18.1 129 2740 03 19 49 03 21 00 --- 09 37 10 65.5 204.0 0.7 18.5 60 2749 03 19 50 03 21 10 0851+202 09 37 20 65.5 204.1 0.7 18.6 4 2749 03 21 06 03 30 00 --- 09 46 11 64.8 208.7 0.8 22.0 530 2818 03 21 01 03 30 30 0851+202 09 46 42 64.7 209.0 0.8 22.2 24 2818 03 30 19 03 31 30 --- 09 47 42 64.6 209.5 0.9 22.6 60 2827 03 30 20 03 31 40 0851+202 09 47 52 64.6 209.6 0.9 22.6 4 2827 03 31 36 03 40 00 --- 09 56 13 63.8 213.7 1.0 25.6 500 2892 03 31 31 Schedule for VLBA_HN (Code Hn ) Page 7 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- 03 40 30 0851+202 09 56 43 63.8 213.9 1.0 25.8 24 2892 03 40 19 03 41 30 --- 09 57 43 63.7 214.4 1.0 26.1 60 2901 03 40 20 03 41 40 0851+202 09 57 53 63.7 214.5 1.0 26.2 4 2901 03 41 36 03 50 00 --- 10 06 15 62.7 218.4 1.2 28.9 500 2966 03 41 31 03 50 30 0851+202 10 06 45 62.7 218.6 1.2 29.1 24 2966 03 50 19 03 51 30 --- 10 07 45 62.6 219.0 1.2 29.4 60 2975 03 50 20 03 51 40 0851+202 10 07 55 62.6 219.1 1.2 29.4 4 2975 03 51 36 04 00 00 --- 10 16 16 61.6 222.7 1.3 31.9 500 3040 03 51 31 04 00 30 0851+202 10 16 46 61.5 222.9 1.3 32.1 24 3040 04 00 19 04 01 30 --- 10 17 47 61.4 223.3 1.4 32.3 60 3049 04 00 20 04 01 40 0851+202 10 17 57 61.3 223.4 1.4 32.4 4 3049 04 01 36 04 10 00 --- 10 26 18 60.3 226.8 1.5 34.6 500 3114 04 01 31 04 10 30 0851+202 10 26 48 60.2 227.0 1.5 34.7 24 3114 04 10 19 04 11 30 --- 10 27 48 60.1 227.3 1.5 35.0 60 3123 04 10 20 04 11 40 0851+202 10 27 58 60.0 227.4 1.5 35.0 4 3123 04 11 36 04 20 00 --- 10 36 20 58.9 230.5 1.7 37.0 500 3188 04 11 31 ---------- K-band VLBI scans. Ground segment 04: target source with VLBA+GBT ---------- 04 20 30 0851+202 10 36 50 58.8 230.7 1.7 37.1 24 3188 04 20 19 04 21 30 --- 10 37 50 58.7 231.1 1.7 37.3 60 3197 04 20 20 04 21 40 0851+202 10 38 00 58.6 231.1 1.7 37.4 4 3197 04 21 36 04 30 30 --- 10 46 51 57.4 234.2 1.9 39.2 530 3266 04 21 31 ---------- Ground-only VLBA U-band on target source ---------- Next scan frequencies: 15337.00 15337.00 15369.00 15369.00 15401.00 15401.00 15433.00 15433.00 Next BBC frequencies: 737.00 737.00 769.00 769.00 801.00 801.00 833.00 833.00 04 31 00 0851+202 10 47 22 57.3 234.4 1.9 39.3 24 3266 04 30 49 04 41 00 --- 10 57 23 55.8 237.7 2.0 41.2 600 3345 04 30 50 Schedule for VLBA_HN (Code Hn ) Page 8 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 04 41 30 0851+202 10 57 53 55.7 237.8 2.0 41.3 24 3345 04 41 19 04 42 30 --- 10 58 53 55.5 238.1 2.1 41.4 60 3354 04 41 20 04 42 40 0851+202 10 59 03 55.5 238.2 2.1 41.5 4 3354 04 42 36 04 51 00 --- 11 07 25 54.2 240.7 2.2 42.8 500 3419 04 42 31 ---------- Ground-only VLBA U-band on target source ---------- Next scan frequencies: 43127.25 43127.25 43159.25 43159.25 43191.25 43191.25 43223.25 43223.25 Next BBC frequencies: 727.25 727.25 759.25 759.25 791.25 791.25 823.25 823.25 04 51 30 0851+202 11 07 55 54.1 240.8 2.2 42.9 24 3419 04 51 19 04 52 30 --- 11 08 55 53.9 241.1 2.2 43.0 60 3428 04 51 20 04 52 40 0851+202 11 09 05 53.9 241.2 2.2 43.1 4 3428 04 52 36 05 01 00 --- 11 17 26 52.6 243.6 2.4 44.3 500 3493 04 52 31 Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 05 02 30 0851+202 11 18 57 52.3 244.0 2.4 44.5 84 3493 05 02 19 05 03 30 --- 11 19 57 52.1 244.3 2.4 44.6 60 3502 05 02 20 05 03 40 0851+202 11 20 07 52.1 244.3 2.4 44.6 4 3502 05 03 36 05 12 00 --- 11 28 28 50.7 246.5 2.5 45.6 500 3567 05 03 31 05 12 30 0851+202 11 28 58 50.6 246.6 2.6 45.7 24 3567 05 12 19 05 13 30 --- 11 29 58 50.5 246.9 2.6 45.8 60 3576 05 12 20 05 13 40 0851+202 11 30 09 50.5 246.9 2.6 45.8 4 3576 05 13 36 05 22 00 --- 11 38 30 49.0 249.0 2.7 46.7 500 3641 05 13 31 05 22 30 0851+202 11 39 00 48.9 249.2 2.7 46.8 24 3641 05 22 19 05 23 30 --- 11 40 00 48.8 249.4 2.7 46.9 60 3650 05 22 20 05 23 40 0851+202 11 40 10 48.7 249.5 2.7 46.9 4 3650 05 23 36 05 32 00 --- 11 48 32 47.3 251.4 2.9 47.6 500 3715 05 23 31 05 32 30 0851+202 11 49 02 47.2 251.6 2.9 47.7 24 3715 05 32 19 05 42 00 --- 11 58 33 45.6 253.7 3.0 48.4 570 3790 05 32 20 05 42 30 0851+202 11 59 03 45.5 253.8 3.1 48.5 24 3790 05 42 19 05 43 30 --- 12 00 03 45.3 254.1 3.1 48.5 60 3799 05 42 20 Schedule for VLBA_HN (Code Hn ) Page 9 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- 05 43 40 0851+202 12 00 13 45.3 254.1 3.1 48.5 4 3799 05 43 36 05 52 00 --- 12 08 35 43.8 255.9 3.2 49.1 500 3864 05 43 31 05 52 30 0851+202 12 09 05 43.7 256.0 3.2 49.1 24 3864 05 52 19 05 53 30 --- 12 10 05 43.5 256.2 3.2 49.2 60 3873 05 52 20 05 53 40 0851+202 12 10 15 43.5 256.3 3.2 49.2 4 3873 05 53 36 06 02 00 --- 12 18 36 42.0 258.0 3.4 49.7 500 3938 05 53 31 06 02 30 0851+202 12 19 07 41.9 258.1 3.4 49.7 24 3938 06 02 19 06 03 30 --- 12 20 07 41.7 258.3 3.4 49.7 60 3947 06 02 20 06 03 40 0851+202 12 20 17 41.7 258.3 3.4 49.8 4 3947 06 03 36 06 12 00 --- 12 28 38 40.2 260.0 3.5 50.1 500 4012 06 03 31 06 12 30 0851+202 12 29 08 40.1 260.1 3.6 50.2 24 4012 06 12 19 06 13 30 --- 12 30 08 39.9 260.3 3.6 50.2 60 4021 06 12 20 06 13 40 0851+202 12 30 18 39.9 260.3 3.6 50.2 4 4021 06 13 36 06 22 00 --- 12 38 40 38.4 262.0 3.7 50.5 500 4086 06 13 31 ---------- Ground-only VLBA Q-band on target source ---------- Next scan frequencies: 43127.25 43127.25 43159.25 43159.25 43191.25 43191.25 43223.25 43223.25 Next BBC frequencies: 727.25 727.25 759.25 759.25 791.25 791.25 823.25 823.25 06 22 30 0851+202 12 39 10 38.3 262.1 3.7 50.5 24 4086 06 22 19 06 23 30 --- 12 40 10 38.1 262.3 3.7 50.6 60 4095 06 22 20 06 23 40 0851+202 12 40 20 38.1 262.3 3.7 50.6 4 4095 06 23 36 06 29 40 --- 12 46 21 37.0 263.4 3.8 50.7 360 4142 06 23 31 ---------- Ground-only VLBA U-band on target source ---------- Next scan frequencies: 15337.00 15337.00 15369.00 15369.00 15401.00 15401.00 15433.00 15433.00 Next BBC frequencies: 737.00 737.00 769.00 769.00 801.00 801.00 833.00 833.00 06 30 10 0851+202 12 46 51 36.9 263.5 3.9 50.7 24 4142 06 29 59 06 36 30 --- 12 53 12 35.7 264.7 4.0 50.9 380 4192 06 30 00 Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 06 37 00 0851+202 12 53 42 35.6 264.8 4.0 50.9 24 4192 06 36 49 06 46 30 --- 13 03 14 33.9 266.5 4.1 51.1 570 4267 06 36 50 06 47 00 0851+202 13 03 44 33.8 266.6 4.1 51.1 24 4267 06 46 49 06 56 30 --- 13 13 15 32.1 268.2 4.3 51.2 570 4342 06 46 50 Schedule for VLBA_HN (Code Hn ) Page 10 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- 06 57 00 0851+202 13 13 45 32.0 268.3 4.3 51.2 24 4342 06 56 49 06 59 30 --- 13 16 16 31.5 268.8 4.3 51.2 150 4363 06 56 50 ---------- K-band VLBI scans. Space segment 06: 0851+202 with VLBA+VLA27+GBT ---------- 07 00 00 0851+202 13 16 46 31.4 268.9 4.3 51.2 24 4363 06 59 49 07 01 00 --- 13 17 46 31.2 269.0 4.4 51.2 60 4372 06 59 50 07 01 10 0851+202 13 17 56 31.2 269.1 4.4 51.2 4 4372 07 01 06 07 10 00 --- 13 26 48 29.6 270.6 4.5 51.2 530 4441 07 01 01 07 10 30 0851+202 13 27 18 29.5 270.6 4.5 51.2 24 4441 07 10 19 07 11 30 --- 13 28 18 29.3 270.8 4.5 51.2 60 4450 07 10 20 07 11 40 0851+202 13 28 28 29.3 270.8 4.5 51.2 4 4450 07 11 36 07 20 00 --- 13 36 49 27.8 272.2 4.7 51.1 500 4515 07 11 31 07 20 30 0851+202 13 37 19 27.7 272.3 4.7 51.1 24 4515 07 20 19 07 21 30 --- 13 38 20 27.5 272.5 4.7 51.1 60 4524 07 20 20 07 21 40 0851+202 13 38 30 27.5 272.5 4.7 51.1 4 4524 07 21 36 07 30 00 --- 13 46 51 25.9 273.9 4.9 51.0 500 4589 07 21 31 07 30 30 0851+202 13 47 21 25.8 274.0 4.9 51.0 24 4589 07 30 19 07 31 30 --- 13 48 21 25.7 274.2 4.9 51.0 60 4598 07 30 20 07 31 40 0851+202 13 48 31 25.6 274.2 4.9 51.0 4 4598 07 31 36 07 40 00 --- 13 56 53 24.1 275.5 5.0 50.9 500 4663 07 31 31 07 40 30 0851+202 13 57 23 24.0 275.6 5.0 50.9 24 4663 07 40 19 07 41 30 --- 13 58 23 23.8 275.8 5.0 50.8 60 4672 07 40 20 07 41 40 0851+202 13 58 33 23.8 275.8 5.0 50.8 4 4672 07 41 36 07 50 00 --- 14 06 54 22.3 277.2 5.2 50.6 500 4737 07 41 31 07 50 30 0851+202 14 07 24 22.2 277.2 5.2 50.6 24 4737 07 50 19 07 51 30 --- 14 08 24 22.0 277.4 5.2 50.6 60 4746 07 50 20 07 51 40 0851+202 14 08 34 22.0 277.4 5.2 50.6 4 4746 07 51 36 08 00 00 --- 14 16 56 20.5 278.8 5.4 50.4 500 4811 07 51 31 Schedule for VLBA_HN (Code Hn ) Page 11 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- ---------- Ground-only VLBA U-band on target source ---------- Next scan frequencies: 15337.00 15337.00 15369.00 15369.00 15401.00 15401.00 15433.00 15433.00 Next BBC frequencies: 737.00 737.00 769.00 769.00 801.00 801.00 833.00 833.00 08 00 30 0851+202 14 17 26 20.4 278.9 5.4 50.4 24 4811 08 00 19 08 09 30 --- 14 26 27 18.7 280.3 5.5 50.1 540 4882 08 00 20 ---------- Ground-only VLBA U-band on target source ---------- Next scan frequencies: 43127.25 43127.25 43159.25 43159.25 43191.25 43191.25 43223.25 43223.25 Next BBC frequencies: 727.25 727.25 759.25 759.25 791.25 791.25 823.25 823.25 08 10 00 0851+202 14 26 57 18.6 280.4 5.5 50.0 24 4882 08 09 49 08 11 00 --- 14 27 58 18.5 280.5 5.5 50.0 60 4891 08 09 50 08 11 10 0851+202 14 28 08 18.4 280.6 5.5 50.0 4 4891 08 11 06 08 19 30 --- 14 36 29 16.9 281.9 5.7 49.7 500 4956 08 11 01 Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 08 20 00 0851+202 14 36 59 16.8 282.0 5.7 49.7 24 4956 08 19 49 08 21 00 --- 14 37 59 16.7 282.1 5.7 49.6 60 4965 08 19 50 08 21 10 0851+202 14 38 09 16.6 282.1 5.7 49.6 4 4965 08 21 06 08 29 30 --- 14 46 31 15.1 283.5 5.8 49.3 500 5030 08 21 01 08 30 00 0851+202 14 47 01 15.1 283.6 5.9 49.3 24 5030 08 29 49 08 31 00 --- 14 48 01 14.9 283.7 5.9 49.2 60 5039 08 29 50 08 31 10 0851+202 14 48 11 14.8 283.7 5.9 49.2 4 5039 08 31 06 08 39 30 --- 14 56 32 13.4 285.1 6.0 48.8 500 5104 08 31 01 08 40 00 0851+202 14 57 02 13.3 285.1 6.0 48.8 24 5104 08 39 49 08 48 00 --- 15 05 04 11.9 286.4 6.2 48.4 480 5168 08 39 50 08 48 30 0851+202 15 05 34 11.8 286.5 6.2 48.3 24 5168 08 48 19 08 58 00 --- 15 15 05 10.1 288.0 6.3 47.8 570 5242 08 48 20 08 58 30 0851+202 15 15 35 10.0 288.1 6.3 47.8 24 5242 08 58 19 09 08 00 --- 15 25 07 8.4 289.6 6.5 47.2 570 5317 08 58 20 Schedule for VLBA_HN (Code Hn ) Page 12 RadioAstron AGN polarization imaging 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 ---------------------------------------------------------------------------------------- --- Wed 8 Mar 2017 Day 67 --- ---------- Ground-only VLBA U-band on target source ---------- Next scan frequencies: 15337.00 15337.00 15369.00 15369.00 15401.00 15401.00 15433.00 15433.00 Next BBC frequencies: 737.00 737.00 769.00 769.00 801.00 801.00 833.00 833.00 09 08 30 0851+202 15 25 37 8.3 289.7 6.5 47.2 24 5317 09 08 19 09 17 30 --- 15 34 39 6.7 291.2 6.6 46.6 540 5388 09 08 20 ---------- Ground-only VLBA U-band on target source ---------- Next scan frequencies: 43127.25 43127.25 43159.25 43159.25 43191.25 43191.25 43223.25 43223.25 Next BBC frequencies: 727.25 727.25 759.25 759.25 791.25 791.25 823.25 823.25 09 18 00 0851+202 15 35 09 6.7 291.3 6.7 46.6 24 5388 09 17 49 09 19 00 --- 15 36 09 6.5 291.4 6.7 46.5 60 5397 09 17 50 09 19 10 0851+202 15 36 19 6.5 291.5 6.7 46.5 4 5397 09 19 06 09 27 30 --- 15 44 40 5.0 292.8 6.8 45.9 500 5462 09 19 01 Next scan frequencies: 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 Next BBC frequencies: 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 09 28 00 0851+202 15 45 10 5.0 292.9 6.8 45.9 24 5462 09 27 49 09 29 00 --- 15 46 10 4.8 293.1 6.8 45.8 60 5471 09 27 50 09 29 10 0851+202 15 46 20 4.8 293.1 6.8 45.8 4 5471 09 29 06 09 39 00 --- 15 56 12 3.1 294.7 7.0 H 45.1 0 5548 09 29 01 09 39 10 0716+714 15 56 22 30.0 343.1 8.5 41.7 -58 5548 09 40 08 09 46 40 --- 16 03 53 29.6 343.6 8.7 40.2 392 5598 09 39 01 Next scan frequencies: 15337.00 15337.00 15369.00 15369.00 15401.00 15401.00 15433.00 15433.00 Next BBC frequencies: 737.00 737.00 769.00 769.00 801.00 801.00 833.00 833.00 09 46 50 0716+714 16 04 03 29.6 343.6 8.7 40.1 4 5598 09 46 46 09 51 50 --- 16 09 04 29.4 344.0 8.8 39.1 300 5638 09 46 41 Next scan frequencies: 43127.25 43127.25 43159.25 43159.25 43191.25 43191.25 43223.25 43223.25 Next BBC frequencies: 727.25 727.25 759.25 759.25 791.25 791.25 823.25 823.25 09 52 00 0716+714 16 09 14 29.4 344.0 8.8 39.1 4 5638 09 51 56 10 00 00 --- 16 17 16 29.0 344.6 8.9 37.5 480 5700 09 51 51 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra1cm2.set Matching groups in ./gg081c_freq.dat: v1cm_b3 Setup group: 1 Station: VLBA_HN Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: RDBE_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 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 1cm omit 1cm VLBA Synth= 9.1 6.1 12.4 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: 26 Setup file default. Used with PCAL = 1MHz LO sum= 22220.00 22220.00 22252.00 22252.00 22284.00 22284.00 22316.00 22316.00 BBC fr= 720.00 720.00 752.00 752.00 784.00 784.00 816.00 816.00 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 VLBA legacy crd files using 4 channels based on RDBE channels: 3 4 5 6 CRD fr= 759.99 759.99 791.99 791.99 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 26 27 28 29 30 31 32 33 34 35 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off ======== Setup file: ra2cm2.set Matching groups in ./gg081c_freq.dat: v2cm_d3 Fourth 2cm filter Setup group: 37 Station: VLBA_HN Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: RDBE_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 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 2cm omit 2cm VLBA Synth= 14.6 10.9 10.9 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: 43 Setup file default. Used with PCAL = 1MHz LO sum= 15337.00 15337.00 15369.00 15369.00 15401.00 15401.00 15433.00 15433.00 BBC fr= 737.00 737.00 769.00 769.00 801.00 801.00 833.00 833.00 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 VLBA legacy crd files using 4 channels based on RDBE channels: 3 4 5 6 CRD fr= 776.99 776.99 808.99 808.99 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 43 44 45 46 47 48 49 56 57 58 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off ======== Setup file: ra7mm2.set Matching groups in ./gg081c_freq.dat: v7mm_c8 Setup group: 48 Station: VLBA_HN Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: RDBE_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 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 = A C A C A C A C VLBA FE= 7mm omit 7mm omit VLBA Synth= 3.9 7.6 11.6 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: 36 Setup file default. Used with PCAL = 1MHz LO sum= 43127.25 43127.25 43159.25 43159.25 43191.25 43191.25 43223.25 43223.25 BBC fr= 727.25 727.25 759.25 759.25 791.25 791.25 823.25 823.25 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 VLBA legacy crd files using 4 channels based on RDBE channels: 3 4 5 6 CRD fr= 767.25 767.25 799.25 799.25 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 36 37 38 39 40 41 42 61 62 63 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) * FAKERA 11 57 21.769299 * 12 00 00.000000 12 00 59.861040 0.00 85 16 41.77889 * 85 00 00.00000 84 54 12.96182 0.00 From catalog imbedded in main SCHED input file. fake circumpolar target for a TS to look at * 1814-637 18 14 45.949299 * 18 19 35.002600 18 21 12.288328 0.00 -63 47 03.20742 *-63 45 48.20500 -63 44 57.59250 0.00 From catalog imbedded in main SCHED input file. possble calibrator source for LBA?? 1328+307 13 28 49.657778 * 13 31 08.288070 13 31 56.345486 0.00 J1331+3030 30 45 58.64060 * 30 30 32.95924 30 25 08.66218 0.00 * 3C286 ./gg081c_sources.radioastron WSRT calibrator, not for 92cm, rfc_2013d Petrov, 2013, unpublished 542 observati * 0716+714 07 16 13.029739 * 07 21 53.448474 07 23 50.595719 0.00 J0721+7120 71 26 15.17406 * 71 20 36.36340 71 18 40.38874 0.00 ./gg081c_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 42370 observations, RA-AO3-04, RA-AO2-1 * 0851+202 08 51 57.250618 * 08 54 48.874930 08 55 48.283390 0.00 J0854+2006 20 17 58.41733 * 20 06 30.64078 20 02 24.49441 0.00 OJ287 ./gg081c_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 213710 observations, RA-AO3-04, RA-AO3- 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 FAKERA ra1cm2.set 21 5.750 0.000 1814-637 ra1cm2.set 9 10 11 12 13 2.639 20.990 3C286 ra1cm2.set 51 0.267 0.000 ra7mm2.set 52 0.367 0.000 0716+714 ra1cm2.set 1 2 5 6 14 15 16 17 18 19 2 + 12.436 152.486 ra2cm2.set 43 55 0.450 14.171 ra7mm2.set 23 36 59 60 4.575 33.390 0851+202 ra1cm2.set 1 2 5 6 9 10 11 12 13 14 15 + 17.411 1982.713 ra2cm2.set 43 55 0.864 39.108 ra7mm2.set 36 52 59 60 0.911 54.094 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) FAKERA 99.9 1814-637 78.3 3C286 138.8 0716+714 104.6 0851+202 143.1 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