COVER INFORMATION Station: KVNYS (Code Ky ) Experiment: EVN 22 GHz polarimetry observation of 3 high-z quasars Exp. Code: EZ028B Schedule Version: 2.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Tao An Address: Shanghai Astronomical Observatory No. 80 Nandan Road Shanghai P.R.China Phone: +86-21-64386191 EMAIL: antao@shao.ac.cn Fax: Phone during observation: Observing mode: 1024-16-2 Notes: Pcal off,2048 Mbps, 16x16 MHz, R+L, 2 bit sampling K Band/22 GHz Schedule for KVNYS (Code Ky ) Page 2 EVN 22 GHz polarimetry observation of 3 high-z quasars 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 ---------------------------------------------------------------------------------------- --- Sun 10 Jun 2018 Day 161 --- 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 16 00 00 3C345 17 43 36 78.1 -74.7 1.0 95.9 0 0 16 00 00 16 10 00 --- 17 53 38 76.2 -75.4 1.2 93.6 600 77 16 00 01 16 11 00 J1638+5720 17 54 38 66.6 -26.3 1.3 139.4 40 77 16 11 00 16 17 00 =1637+574 18 00 39 66.1 -27.8 1.4 136.8 360 123 16 11 01 16 17 40 NGC6251 18 01 19 44.4 -4.0 1.5 154.7 29 123 16 17 40 16 26 40 --- 18 10 21 44.3 -4.4 1.7 152.2 540 192 16 17 41 16 27 20 J1551+5806 18 11 01 59.6 -36.4 2.3 117.1 26 192 16 27 20 16 36 20 =1550+582 18 20 02 58.5 -37.5 2.5 114.3 540 262 16 27 21 16 37 00 J1606+3124 18 20 42 61.9 267.4 2.2 68.0 -66 262 16 37 00 16 52 00 =1604+315 18 35 45 58.9 269.8 2.5 68.2 834 377 16 37 01 16 52 15 J1606+3124 18 36 00 58.9 269.8 2.5 68.2 13 377 16 52 15 17 07 15 =1604+315 18 51 02 55.9 272.0 2.7 68.1 900 492 16 52 16 17 07 30 J1606+3124 18 51 17 55.8 272.1 2.7 68.1 13 492 17 07 30 17 22 30 =1604+315 19 06 20 52.9 274.1 3.0 67.8 900 608 17 07 31 17 22 45 J1606+3124 19 06 35 52.8 274.2 3.0 67.8 13 608 17 22 45 17 37 45 =1604+315 19 21 37 49.8 276.1 3.2 67.4 900 723 17 22 46 17 38 25 J1638+5720 19 22 17 56.8 319.8 2.7 108.6 22 723 17 38 25 17 44 25 =1637+574 19 28 18 56.0 319.3 2.8 107.0 360 769 17 38 26 17 45 05 J1606+3124 19 28 58 48.4 277.1 3.4 67.1 23 769 17 45 05 18 00 05 =1604+315 19 44 01 45.4 278.9 3.6 66.5 900 885 17 45 06 18 00 20 J1606+3124 19 44 16 45.4 278.9 3.6 66.5 13 885 18 00 20 18 15 20 =1604+315 19 59 18 42.4 280.7 3.9 65.8 900 1000 18 00 21 18 15 35 J1606+3124 19 59 33 42.4 280.8 3.9 65.8 13 1000 18 15 35 18 30 35 =1604+315 20 14 36 39.5 282.5 4.1 65.0 900 1115 18 15 36 18 30 50 J1606+3124 20 14 51 39.4 282.6 4.1 65.0 13 1115 18 30 50 18 45 50 =1604+315 20 29 53 36.5 284.3 4.4 64.1 900 1231 18 30 51 Schedule for KVNYS (Code Ky ) Page 3 EVN 22 GHz polarimetry observation of 3 high-z quasars 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 ---------------------------------------------------------------------------------------- --- Sun 10 Jun 2018 Day 161 --- 18 46 30 J1638+5720 20 30 34 47.7 317.1 3.9 92.1 26 1231 18 46 30 18 52 30 =1637+574 20 36 35 46.9 317.1 4.0 90.8 360 1277 18 46 31 18 53 10 J1606+3124 20 37 15 35.1 285.2 4.5 63.6 26 1277 18 53 10 19 08 10 =1604+315 20 52 17 32.3 286.9 4.8 62.6 900 1392 18 53 11 19 08 25 J1606+3124 20 52 32 32.2 287.0 4.8 62.6 13 1392 19 08 25 19 23 25 =1604+315 21 07 35 29.4 288.7 5.0 61.6 900 1508 19 08 26 19 23 40 J1606+3124 21 07 50 29.3 288.7 5.0 61.5 13 1508 19 23 40 19 38 40 =1604+315 21 22 52 26.5 290.5 5.3 60.4 900 1623 19 23 41 19 38 55 J1606+3124 21 23 07 26.5 290.5 5.3 60.4 13 1623 19 38 55 19 53 55 =1604+315 21 38 10 23.7 292.3 5.5 59.2 900 1738 19 38 56 19 54 35 J1638+5720 21 38 50 38.6 318.1 5.0 78.4 28 1738 19 54 35 20 00 35 =1637+574 21 44 51 37.8 318.3 5.1 77.3 360 1785 19 54 36 20 01 15 3C345 21 45 31 32.9 297.6 5.0 66.0 30 1785 20 01 15 20 09 15 --- 21 53 32 31.5 298.4 5.2 65.1 480 1846 20 01 16 20 09 55 J1551+5806 21 54 12 30.9 321.9 6.0 67.5 29 1846 20 09 55 20 18 55 =1550+582 22 03 14 29.8 322.5 6.2 65.9 540 1915 20 09 56 20 19 35 J1606+3124 22 03 54 19.0 295.4 6.0 57.0 28 1915 20 19 35 20 34 35 =1604+315 22 18 56 16.4 297.3 6.2 55.6 900 2031 20 19 36 20 34 50 J1606+3124 22 19 11 16.3 297.3 6.2 55.6 13 2031 20 34 50 20 49 50 =1604+315 22 34 14 13.7 299.2 6.5 54.1 900 2146 20 34 51 20 50 05 J1606+3124 22 34 29 13.7 299.3 6.5 54.1 13 2146 20 50 05 21 05 05 =1604+315 22 49 31 11.1 301.2 6.7 52.5 900 2262 20 50 06 21 05 20 J1606+3124 22 49 46 11.0 301.3 6.7 52.5 13 2262 21 05 20 21 20 20 =1604+315 23 04 49 8.5 303.3 7.0 50.9 900 2377 21 05 21 21 20 35 J1606+3124 23 05 04 8.5 303.3 7.0 50.9 13 2377 21 20 35 21 35 35 =1604+315 23 20 06 6.0 305.4 7.2 49.2 900 2492 21 20 36 21 36 15 J1638+5720 23 20 46 25.8 323.9 6.7 59.9 30 2492 21 36 15 21 42 15 =1637+574 23 26 47 25.1 324.3 6.8 58.9 360 2538 21 36 16 21 42 55 2007+777 23 27 28 44.5 346.9 3.4 120.7 29 2538 21 42 55 21 52 55 --- 23 37 29 44.1 346.5 3.5 118.0 600 2615 21 42 56 Schedule for KVNYS (Code Ky ) Page 4 EVN 22 GHz polarimetry observation of 3 high-z quasars 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 ---------------------------------------------------------------------------------------- --- Sun 10 Jun 2018 Day 161 --- 23 05 15 J1638+5720 00 50 01 16.3 331.8 8.2 43.9 4330 2615 23 05 15 23 11 15 =1637+574 00 56 02 15.8 332.4 8.3 42.8 360 2662 23 05 16 23 11 55 NGC6251 00 56 42 32.9 352.8 8.4 49.4 30 2662 23 11 55 23 20 55 --- 01 05 44 32.7 353.1 8.6 47.3 540 2731 23 11 56 23 21 35 2007+777 01 06 24 39.6 344.8 5.0 95.1 34 2731 23 21 35 23 30 00 --- 01 14 50 39.2 344.7 5.2 93.0 505 2796 23 21 36 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: 13 Station: KVNYS 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: 12 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: 12 13 14 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) 1550+582 15 50 55.603824 * 15 51 58.207817 15 52 22.985369 0.36 * J1551+5806 58 15 37.33536 * 58 06 44.45452 58 03 42.77975 0.17 J1551+58 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 70 observations. 1604+315 16 04 10.611573 * 16 06 08.518391 16 06 52.689574 0.13 * J1606+3124 31 32 47.72189 * 31 24 46.45788 31 22 01.06899 0.18 J1606+31 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 160 observations. * NGC6251 16 37 56.926932 * 16 32 31.969899 16 30 45.501850 0.09 J1632+8232 82 38 18.49830 * 82 32 16.39995 82 30 09.34877 0.01 1637+826 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J1632+82 GSFC 2015a astro solution, unpublished 6251 observations. 1637+574 16 37 17.425183 * 16 38 13.456298 16 38 36.053043 0.02 * J1638+5720 57 26 15.76131 * 57 20 23.97903 57 18 25.26902 0.01 J1638+57 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 9070 observations. * 3C345 16 41 17.606228 * 16 42 58.809966 16 43 37.158567 0.76 J1642+3948 39 54 10.81496 * 39 48 36.99402 39 46 44.27768 0.52 1641+399 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J1642+39 GSFC 2015a astro solution, unpublished 53430 observations. * 2007+777 20 07 20.430197 * 20 05 30.998526 20 04 55.941753 0.03 J2005+7752 77 43 58.12302 * 77 52 43.24755 77 55 44.31481 0.01 J2005+77 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 15597 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 J1551+5806 sess218.K1024 1 2 3 4 5 6 7 8 12 0.300 21.672 J1606+3124 sess218.K1024 1 2 3 4 5 6 7 8 12 5.417 432.862 NGC6251 sess218.K1024 1 2 3 4 5 6 7 8 12 0.300 23.500 J1638+5720 sess218.K1024 1 2 3 4 5 6 7 8 12 0.600 40.728 3C345 sess218.K1024 1 2 3 4 5 6 7 8 12 0.300 24.804 2007+777 sess218.K1024 1 2 3 4 5 6 7 8 12 0.307 24.599 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) J1551+5806 97.0 J1606+3124 123.1 NGC6251 74.3 J1638+5720 99.3 3C345 116.7 2007+777 76.1 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