COVER INFORMATION Station: VLBA_NL (Code Nl ) 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_NL (Code Nl ) 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 01 57 16 2.9 65.5 -7.0 -46.3 0 0 21 00 30 21 10 00 --- 02 06 48 4.6 67.1 -6.8 -47.0 570 73 21 00 20 ---------- K-band VLBI scans. Ground segment 03: target source with EVN+VLBA+HH ---------- 21 10 30 0716+714 02 07 18 42.5 25.3 -5.3 -83.7 -57 73 21 11 27 21 18 30 --- 02 15 19 43.2 25.4 -5.1 -85.6 423 128 21 10 20 21 19 00 0851+202 02 15 50 6.1 68.5 -6.7 -47.6 -55 128 21 19 55 21 30 00 --- 02 26 51 8.0 70.3 -6.5 -48.4 605 206 21 18 50 21 30 30 0851+202 02 27 21 8.1 70.3 -6.5 -48.4 24 206 21 30 19 21 40 00 --- 02 36 53 9.8 71.8 -6.3 -49.0 570 281 21 30 20 21 40 30 0851+202 02 37 23 9.9 71.9 -6.3 -49.0 24 281 21 40 19 21 50 00 --- 02 46 55 11.6 73.4 -6.1 -49.5 570 356 21 40 20 21 50 30 0851+202 02 47 25 11.7 73.5 -6.1 -49.6 24 356 21 50 19 22 00 00 --- 02 56 56 13.4 75.0 -6.0 -50.1 570 430 21 50 20 22 00 30 0851+202 02 57 26 13.5 75.0 -6.0 -50.1 24 430 22 00 19 22 08 30 --- 03 05 28 14.9 76.3 -5.8 -50.5 480 494 22 00 20 22 09 00 0851+202 03 05 58 15.0 76.4 -5.8 -50.5 24 494 22 08 49 22 18 30 --- 03 15 29 16.8 77.8 -5.7 -50.9 570 568 22 08 50 22 19 00 0851+202 03 15 59 16.9 77.9 -5.7 -50.9 24 568 22 18 49 22 28 30 --- 03 25 31 18.6 79.4 -5.5 -51.3 570 643 22 18 50 22 29 00 0851+202 03 26 01 18.7 79.5 -5.5 -51.3 24 643 22 28 49 22 38 30 --- 03 35 33 20.4 80.9 -5.3 -51.6 570 718 22 28 50 22 39 00 0851+202 03 36 03 20.5 81.0 -5.3 -51.6 24 718 22 38 49 22 48 30 --- 03 45 34 22.3 82.5 -5.2 -51.9 570 793 22 38 50 22 49 00 0851+202 03 46 04 22.4 82.6 -5.2 -51.9 24 793 22 48 49 22 58 30 --- 03 55 36 24.1 84.1 -5.0 -52.2 570 868 22 48 50 22 59 00 0851+202 03 56 06 24.2 84.2 -5.0 -52.2 24 868 22 58 49 23 08 30 --- 04 05 38 26.0 85.7 -4.8 -52.3 570 943 22 58 50 Schedule for VLBA_NL (Code Nl ) 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 04 06 08 26.1 85.8 -4.8 -52.3 24 943 23 08 49 23 18 30 --- 04 15 39 27.9 87.3 -4.7 -52.5 570 1018 23 08 50 23 19 00 0851+202 04 16 09 28.0 87.4 -4.7 -52.5 24 1018 23 18 49 23 28 30 --- 04 25 41 29.7 88.9 -4.5 -52.5 570 1092 23 18 50 23 28 30 0851+202 04 25 41 29.7 88.9 -4.5 -52.5 -6 1092 23 28 36 23 30 00 --- 04 27 11 30.0 89.2 -4.5 -52.5 84 1103 23 28 31 23 30 30 0851+202 04 27 41 30.1 89.2 -4.5 -52.5 24 1103 23 30 19 23 38 30 --- 04 35 42 31.6 90.6 -4.3 -52.5 480 1166 23 30 20 23 39 00 0851+202 04 36 13 31.7 90.7 -4.3 -52.5 24 1166 23 38 49 23 44 30 --- 04 41 43 32.7 91.6 -4.2 -52.5 330 1210 23 38 50 ---------- K-band VLBI scans. Space segment 04: 0851+202 with EVN ---------- 23 45 00 0851+202 04 42 14 32.8 91.7 -4.2 -52.5 24 1210 23 44 49 23 55 00 --- 04 52 15 34.7 93.4 -4.1 -52.4 600 1289 23 44 50 --- Start: Tue 7 Mar 2017 Day 66 -- Stop: Wed 8 Mar 2017 Day 67 --- 23 55 30 0851+202 04 52 45 34.8 93.5 -4.1 -52.4 24 1289 23 55 19 00 05 00 --- 05 02 17 36.6 95.2 -3.9 -52.2 570 1364 23 55 20 00 05 30 0851+202 05 02 47 36.6 95.3 -3.9 -52.2 24 1364 00 05 19 00 15 00 --- 05 12 18 38.4 97.0 -3.7 -52.0 570 1439 00 05 20 00 15 30 0851+202 05 12 49 38.5 97.1 -3.7 -52.0 24 1439 00 15 19 00 16 30 --- 05 13 49 38.7 97.3 -3.7 -52.0 60 1448 00 15 20 00 16 40 0851+202 05 13 59 38.7 97.3 -3.7 -51.9 4 1448 00 16 36 00 25 00 --- 05 22 20 40.3 98.9 -3.6 -51.7 500 1513 00 16 31 00 25 30 0851+202 05 22 50 40.4 99.0 -3.5 -51.6 24 1513 00 25 19 00 26 30 --- 05 23 50 40.5 99.2 -3.5 -51.6 60 1522 00 25 20 00 26 40 0851+202 05 24 00 40.6 99.2 -3.5 -51.6 4 1522 00 26 36 00 35 00 --- 05 32 22 42.1 100.8 -3.4 -51.2 500 1587 00 26 31 00 35 30 0851+202 05 32 52 42.2 100.9 -3.4 -51.2 24 1587 00 35 19 00 36 30 --- 05 33 52 42.4 101.1 -3.4 -51.2 60 1596 00 35 20 00 36 40 0851+202 05 34 02 42.4 101.2 -3.4 -51.2 4 1596 00 36 36 00 45 00 --- 05 42 23 43.9 102.9 -3.2 -50.7 500 1661 00 36 31 Schedule for VLBA_NL (Code Nl ) 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 05 42 53 44.0 103.0 -3.2 -50.7 24 1661 00 45 19 00 46 30 --- 05 43 54 44.2 103.2 -3.2 -50.6 60 1670 00 45 20 00 46 40 0851+202 05 44 04 44.2 103.2 -3.2 -50.6 4 1670 00 46 36 00 57 00 --- 05 54 25 46.1 105.4 -3.0 -49.9 620 1751 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 05 55 25 46.3 105.6 -3.0 -49.9 54 1751 00 57 49 01 06 00 --- 06 03 27 47.7 107.4 -2.9 -49.2 480 1814 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 06 04 27 47.9 107.7 -2.9 -49.2 54 1814 01 06 49 01 08 00 --- 06 05 27 48.1 107.9 -2.8 -49.1 60 1823 01 06 50 01 08 10 0851+202 06 05 37 48.1 107.9 -2.8 -49.1 4 1823 01 08 06 01 17 00 --- 06 14 29 49.7 110.0 -2.7 -48.2 530 1892 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 06 15 29 49.9 110.3 -2.7 -48.1 54 1892 01 17 49 01 19 00 --- 06 16 29 50.0 110.5 -2.7 -48.0 60 1901 01 17 50 01 19 10 0851+202 06 16 39 50.1 110.5 -2.7 -48.0 4 1901 01 19 06 01 26 10 --- 06 23 40 51.3 112.3 -2.5 -47.3 420 1955 01 19 01 01 26 40 0851+202 06 24 10 51.4 112.4 -2.5 -47.2 24 1955 01 26 29 01 27 40 --- 06 25 10 51.5 112.7 -2.5 -47.1 60 1965 01 26 30 01 27 50 0851+202 06 25 20 51.6 112.7 -2.5 -47.1 4 1965 01 27 46 01 36 10 --- 06 33 42 53.0 114.9 -2.4 -46.0 500 2030 01 27 41 01 36 40 0851+202 06 34 12 53.1 115.1 -2.4 -46.0 24 2030 01 36 29 01 37 40 --- 06 35 12 53.2 115.3 -2.3 -45.8 60 2039 01 36 30 01 37 50 0851+202 06 35 22 53.3 115.4 -2.3 -45.8 4 2039 01 37 46 01 46 10 --- 06 43 43 54.7 117.7 -2.2 -44.6 500 2104 01 37 41 Schedule for VLBA_NL (Code Nl ) 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 06 44 13 54.7 117.9 -2.2 -44.6 24 2104 01 46 29 01 47 40 --- 06 45 14 54.9 118.2 -2.2 -44.4 60 2113 01 46 30 01 47 50 0851+202 06 45 24 54.9 118.2 -2.2 -44.4 4 2113 01 47 46 01 56 10 --- 06 53 45 56.3 120.7 -2.0 -43.0 500 2178 01 47 41 01 56 40 0851+202 06 54 15 56.4 120.9 -2.0 -42.9 24 2178 01 56 29 01 57 40 --- 06 55 15 56.5 121.2 -2.0 -42.8 60 2187 01 56 30 01 57 50 0851+202 06 55 25 56.6 121.3 -2.0 -42.7 4 2187 01 57 46 02 06 10 --- 07 03 47 57.9 123.9 -1.9 -41.2 500 2252 01 57 41 02 06 40 0851+202 07 04 17 58.0 124.1 -1.9 -41.1 24 2252 02 06 29 02 15 40 --- 07 13 18 59.3 127.2 -1.7 -39.2 540 2323 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 07 14 38 59.5 127.7 -1.7 -38.9 74 2323 02 16 49 02 26 30 --- 07 24 10 60.9 131.3 -1.5 -36.6 570 2398 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 07 25 10 61.0 131.7 -1.5 -36.4 54 2398 02 27 19 02 28 30 --- 07 26 10 61.2 132.0 -1.5 -36.1 60 2407 02 27 20 02 28 40 0851+202 07 26 20 61.2 132.1 -1.5 -36.1 4 2407 02 28 36 02 37 30 --- 07 35 12 62.4 135.7 -1.3 -33.7 530 2476 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 07 35 42 62.4 135.9 -1.3 -33.5 24 2476 02 37 49 02 39 00 --- 07 36 42 62.6 136.4 -1.3 -33.2 60 2485 02 37 50 02 39 10 0851+202 07 36 52 62.6 136.4 -1.3 -33.2 4 2485 02 39 06 02 49 30 --- 07 47 14 63.9 141.0 -1.1 -29.9 620 2565 02 39 01 Schedule for VLBA_NL (Code Nl ) 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 07 48 44 60.3 -4.0 0.4 170.6 -23 2565 02 51 23 02 56 30 --- 07 54 15 60.2 -4.9 0.5 168.5 307 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 07 55 15 60.2 -5.1 0.5 168.2 54 2605 02 57 19 02 58 30 --- 07 56 15 60.2 -5.2 0.5 167.8 60 2614 02 57 20 02 58 40 0716+714 07 56 25 60.2 -5.2 0.5 167.7 4 2614 02 58 36 03 01 30 --- 07 59 16 60.1 -5.7 0.6 166.7 170 2636 02 58 31 03 02 00 0716+714 07 59 46 60.1 -5.8 0.6 166.5 24 2636 03 01 49 03 03 00 --- 08 00 46 60.1 -5.9 0.6 166.1 60 2645 03 01 50 03 03 10 0716+714 08 00 56 60.1 -5.9 0.6 166.1 4 2645 03 03 06 03 08 00 --- 08 05 47 60.0 -6.7 0.7 164.3 290 2683 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 08 06 47 60.0 -6.9 0.7 163.9 54 2683 03 08 49 03 16 00 --- 08 13 48 59.8 -7.9 0.8 161.3 420 2739 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 08 17 49 66.8 156.8 -0.6 -18.2 113 2739 03 19 49 03 21 00 --- 08 18 49 66.9 157.4 -0.6 -17.8 60 2748 03 19 50 03 21 10 0851+202 08 18 59 66.9 157.5 -0.6 -17.7 4 2748 03 21 06 03 30 00 --- 08 27 50 67.5 162.6 -0.5 -13.7 530 2817 03 21 01 03 30 30 0851+202 08 28 21 67.5 162.9 -0.5 -13.5 24 2817 03 30 19 03 31 30 --- 08 29 21 67.6 163.5 -0.4 -13.0 60 2826 03 30 20 03 31 40 0851+202 08 29 31 67.6 163.6 -0.4 -12.9 4 2826 03 31 36 03 40 00 --- 08 37 52 67.9 168.7 -0.3 -8.9 500 2891 03 31 31 Schedule for VLBA_NL (Code Nl ) 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 08 38 22 68.0 169.0 -0.3 -8.7 24 2891 03 40 19 03 41 30 --- 08 39 22 68.0 169.7 -0.3 -8.2 60 2900 03 40 20 03 41 40 0851+202 08 39 32 68.0 169.8 -0.3 -8.1 4 2900 03 41 36 03 50 00 --- 08 47 54 68.2 175.0 -0.1 -4.0 500 2965 03 41 31 03 50 30 0851+202 08 48 24 68.2 175.3 -0.1 -3.7 24 2965 03 50 19 03 51 30 --- 08 49 24 68.2 175.9 -0.1 -3.2 60 2974 03 50 20 03 51 40 0851+202 08 49 34 68.2 176.0 -0.1 -3.1 4 2974 03 51 36 04 00 00 --- 08 57 55 68.3 181.3 0.0 1.1 500 3039 03 51 31 04 00 30 0851+202 08 58 25 68.3 181.7 0.0 1.3 24 3039 04 00 19 04 01 30 --- 08 59 26 68.3 182.3 0.1 1.8 60 3048 04 00 20 04 01 40 0851+202 08 59 36 68.3 182.4 0.1 1.9 4 3048 04 01 36 04 10 00 --- 09 07 57 68.1 187.7 0.2 6.1 500 3113 04 01 31 04 10 30 0851+202 09 08 27 68.1 188.0 0.2 6.3 24 3113 04 10 19 04 11 30 --- 09 09 27 68.1 188.6 0.2 6.8 60 3122 04 10 20 04 11 40 0851+202 09 09 37 68.1 188.7 0.2 6.9 4 3122 04 11 36 04 20 00 --- 09 17 59 67.8 193.9 0.4 11.0 500 3187 04 11 31 ---------- K-band VLBI scans. Ground segment 04: target source with VLBA+GBT ---------- 04 20 30 0851+202 09 18 29 67.7 194.2 0.4 11.2 24 3187 04 20 19 04 21 30 --- 09 19 29 67.7 194.8 0.4 11.7 60 3196 04 20 20 04 21 40 0851+202 09 19 39 67.7 194.9 0.4 11.8 4 3196 04 21 36 04 30 30 --- 09 28 30 67.2 200.2 0.5 15.9 530 3265 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 09 29 00 67.2 200.5 0.6 16.1 24 3265 04 30 49 04 41 00 --- 09 39 02 66.4 206.1 0.7 20.5 600 3344 04 30 50 Schedule for VLBA_NL (Code Nl ) 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 09 39 32 66.4 206.4 0.7 20.7 24 3344 04 41 19 04 42 30 --- 09 40 32 66.3 207.0 0.7 21.1 60 3353 04 41 20 04 42 40 0851+202 09 40 42 66.3 207.0 0.7 21.2 4 3353 04 42 36 04 51 00 --- 09 49 04 65.5 211.5 0.9 24.5 500 3418 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 09 49 34 65.5 211.7 0.9 24.7 24 3418 04 51 19 04 52 30 --- 09 50 34 65.4 212.2 0.9 25.1 60 3427 04 51 20 04 52 40 0851+202 09 50 44 65.4 212.3 0.9 25.1 4 3427 04 52 36 05 01 00 --- 09 59 05 64.5 216.5 1.1 28.2 500 3492 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 10 00 36 64.3 217.2 1.1 28.7 84 3492 05 02 19 05 03 30 --- 10 01 36 64.2 217.7 1.1 29.0 60 3501 05 02 20 05 03 40 0851+202 10 01 46 64.2 217.7 1.1 29.1 4 3501 05 03 36 05 12 00 --- 10 10 07 63.2 221.6 1.2 31.8 500 3566 05 03 31 05 12 30 0851+202 10 10 37 63.1 221.8 1.2 31.9 24 3566 05 12 19 05 13 30 --- 10 11 37 63.0 222.2 1.3 32.2 60 3575 05 12 20 05 13 40 0851+202 10 11 47 63.0 222.3 1.3 32.3 4 3575 05 13 36 05 22 00 --- 10 20 09 61.9 225.8 1.4 34.7 500 3640 05 13 31 05 22 30 0851+202 10 20 39 61.8 226.0 1.4 34.8 24 3640 05 22 19 05 23 30 --- 10 21 39 61.7 226.4 1.4 35.1 60 3649 05 22 20 05 23 40 0851+202 10 21 49 61.7 226.5 1.4 35.2 4 3649 05 23 36 05 32 00 --- 10 30 11 60.5 229.8 1.6 37.3 500 3714 05 23 31 05 32 30 0851+202 10 30 41 60.4 230.0 1.6 37.4 24 3714 05 32 19 05 42 00 --- 10 40 12 59.0 233.4 1.7 39.6 570 3789 05 32 20 05 42 30 0851+202 10 40 42 59.0 233.6 1.7 39.7 24 3789 05 42 19 05 43 30 --- 10 41 42 58.8 234.0 1.8 39.9 60 3798 05 42 20 Schedule for VLBA_NL (Code Nl ) 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 10 41 52 58.8 234.0 1.8 40.0 4 3798 05 43 36 05 52 00 --- 10 50 14 57.5 236.8 1.9 41.7 500 3863 05 43 31 05 52 30 0851+202 10 50 44 57.4 237.0 1.9 41.7 24 3863 05 52 19 05 53 30 --- 10 51 44 57.3 237.3 1.9 41.9 60 3872 05 52 20 05 53 40 0851+202 10 51 54 57.2 237.4 1.9 42.0 4 3872 05 53 36 06 02 00 --- 11 00 15 55.9 240.0 2.1 43.4 500 3937 05 53 31 06 02 30 0851+202 11 00 46 55.8 240.2 2.1 43.5 24 3937 06 02 19 06 03 30 --- 11 01 46 55.7 240.5 2.1 43.7 60 3946 06 02 20 06 03 40 0851+202 11 01 56 55.6 240.5 2.1 43.7 4 3946 06 03 36 06 12 00 --- 11 10 17 54.3 243.0 2.2 45.0 500 4011 06 03 31 06 12 30 0851+202 11 10 47 54.2 243.1 2.2 45.1 24 4011 06 12 19 06 13 30 --- 11 11 47 54.0 243.4 2.3 45.2 60 4020 06 12 20 06 13 40 0851+202 11 11 57 54.0 243.4 2.3 45.2 4 4020 06 13 36 06 22 00 --- 11 20 19 52.6 245.7 2.4 46.4 500 4085 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 11 20 49 52.5 245.8 2.4 46.4 24 4085 06 22 19 06 23 30 --- 11 21 49 52.3 246.1 2.4 46.5 60 4094 06 22 20 06 23 40 0851+202 11 21 59 52.3 246.2 2.4 46.6 4 4094 06 23 36 06 29 40 --- 11 28 00 51.3 247.7 2.5 47.3 360 4141 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 11 28 30 51.2 247.8 2.5 47.3 24 4141 06 29 59 06 36 30 --- 11 34 51 50.1 249.4 2.7 48.0 380 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 11 35 21 50.0 249.6 2.7 48.1 24 4192 06 36 49 06 46 30 --- 11 44 53 48.3 251.8 2.8 49.0 570 4266 06 36 50 06 47 00 0851+202 11 45 23 48.2 251.9 2.8 49.0 24 4266 06 46 49 06 56 30 --- 11 54 54 46.5 254.1 3.0 49.8 570 4341 06 46 50 Schedule for VLBA_NL (Code Nl ) 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 11 55 24 46.4 254.2 3.0 49.8 24 4341 06 56 49 06 59 30 --- 11 57 55 46.0 254.7 3.0 50.0 150 4362 06 56 50 ---------- K-band VLBI scans. Space segment 06: 0851+202 with VLBA+VLA27+GBT ---------- 07 00 00 0851+202 11 58 25 45.9 254.9 3.0 50.0 24 4362 06 59 49 07 01 00 --- 11 59 25 45.7 255.1 3.1 50.1 60 4371 06 59 50 07 01 10 0851+202 11 59 35 45.7 255.1 3.1 50.1 4 4371 07 01 06 07 10 00 --- 12 08 27 44.1 257.0 3.2 50.7 530 4440 07 01 01 07 10 30 0851+202 12 08 57 44.0 257.1 3.2 50.7 24 4440 07 10 19 07 11 30 --- 12 09 57 43.8 257.3 3.2 50.8 60 4449 07 10 20 07 11 40 0851+202 12 10 07 43.8 257.3 3.2 50.8 4 4449 07 11 36 07 20 00 --- 12 18 28 42.3 259.0 3.4 51.2 500 4514 07 11 31 07 20 30 0851+202 12 18 58 42.2 259.1 3.4 51.2 24 4514 07 20 19 07 21 30 --- 12 19 58 42.0 259.3 3.4 51.3 60 4523 07 20 20 07 21 40 0851+202 12 20 09 41.9 259.3 3.4 51.3 4 4523 07 21 36 07 30 00 --- 12 28 30 40.4 261.0 3.5 51.6 500 4588 07 21 31 07 30 30 0851+202 12 29 00 40.3 261.1 3.6 51.7 24 4588 07 30 19 07 31 30 --- 12 30 00 40.1 261.3 3.6 51.7 60 4597 07 30 20 07 31 40 0851+202 12 30 10 40.1 261.3 3.6 51.7 4 4597 07 31 36 07 40 00 --- 12 38 32 38.6 262.9 3.7 52.0 500 4662 07 31 31 07 40 30 0851+202 12 39 02 38.5 262.9 3.7 52.0 24 4662 07 40 19 07 41 30 --- 12 40 02 38.3 263.1 3.7 52.0 60 4671 07 40 20 07 41 40 0851+202 12 40 12 38.2 263.2 3.7 52.0 4 4671 07 41 36 07 50 00 --- 12 48 33 36.7 264.7 3.9 52.2 500 4736 07 41 31 07 50 30 0851+202 12 49 03 36.6 264.8 3.9 52.2 24 4736 07 50 19 07 51 30 --- 12 50 03 36.4 264.9 3.9 52.3 60 4745 07 50 20 07 51 40 0851+202 12 50 13 36.4 265.0 3.9 52.3 4 4745 07 51 36 08 00 00 --- 12 58 35 34.8 266.5 4.0 52.4 500 4810 07 51 31 Schedule for VLBA_NL (Code Nl ) 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 12 59 05 34.7 266.5 4.1 52.4 24 4810 08 00 19 08 09 30 --- 13 08 06 33.1 268.1 4.2 52.5 540 4881 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 13 08 36 33.0 268.2 4.2 52.5 24 4881 08 09 49 08 11 00 --- 13 09 37 32.8 268.4 4.2 52.5 60 4890 08 09 50 08 11 10 0851+202 13 09 47 32.8 268.4 4.2 52.5 4 4890 08 11 06 08 19 30 --- 13 18 08 31.2 269.8 4.4 52.5 500 4955 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 13 18 38 31.1 269.9 4.4 52.5 24 4955 08 19 49 08 21 00 --- 13 19 38 30.9 270.0 4.4 52.5 60 4964 08 19 50 08 21 10 0851+202 13 19 48 30.9 270.1 4.4 52.5 4 4964 08 21 06 08 29 30 --- 13 28 10 29.3 271.4 4.5 52.5 500 5029 08 21 01 08 30 00 0851+202 13 28 40 29.2 271.5 4.5 52.5 24 5029 08 29 49 08 31 00 --- 13 29 40 29.0 271.7 4.6 52.5 60 5039 08 29 50 08 31 10 0851+202 13 29 50 29.0 271.7 4.6 52.5 4 5039 08 31 06 08 39 30 --- 13 38 11 27.5 273.1 4.7 52.4 500 5103 08 31 01 08 40 00 0851+202 13 38 41 27.4 273.2 4.7 52.4 24 5103 08 39 49 08 48 00 --- 13 46 43 25.9 274.4 4.8 52.3 480 5167 08 39 50 08 48 30 0851+202 13 47 13 25.8 274.5 4.9 52.3 24 5167 08 48 19 08 58 00 --- 13 56 44 24.0 276.0 5.0 52.1 570 5242 08 48 20 08 58 30 0851+202 13 57 14 23.9 276.1 5.0 52.1 24 5242 08 58 19 09 08 00 --- 14 06 46 22.2 277.6 5.2 51.9 570 5316 08 58 20 Schedule for VLBA_NL (Code Nl ) 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 14 07 16 22.1 277.7 5.2 51.9 24 5316 09 08 19 09 17 30 --- 14 16 18 20.4 279.1 5.3 51.6 540 5387 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 14 16 48 20.3 279.2 5.3 51.6 24 5387 09 17 49 09 19 00 --- 14 17 48 20.1 279.3 5.4 51.6 60 5396 09 17 50 09 19 10 0851+202 14 17 58 20.1 279.4 5.4 51.6 4 5396 09 19 06 09 27 30 --- 14 26 19 18.6 280.7 5.5 51.3 500 5461 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 14 26 49 18.5 280.7 5.5 51.3 24 5461 09 27 49 09 29 00 --- 14 27 49 18.3 280.9 5.5 51.2 60 5471 09 27 50 09 29 10 0851+202 14 27 59 18.2 280.9 5.5 51.2 4 5471 09 29 06 09 39 00 --- 14 37 51 16.4 282.4 5.7 50.8 590 5547 09 29 01 09 39 10 0716+714 14 38 01 33.7 338.6 7.2 58.2 -39 5547 09 39 49 09 46 40 --- 14 45 32 33.2 339.0 7.4 56.6 411 5600 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 14 45 42 33.2 339.0 7.4 56.6 4 5600 09 46 46 09 51 50 --- 14 50 43 32.9 339.2 7.4 55.6 300 5639 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 14 50 53 32.8 339.3 7.5 55.5 4 5639 09 51 56 10 00 00 --- 14 58 55 32.3 339.7 7.6 53.9 480 5702 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: 3 Station: VLBA_NL 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: 39 Station: VLBA_NL 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: 50 Station: VLBA_NL 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