COVER INFORMATION Station: KVNTN (Code Kt ) 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 KVNTN (Code Kt ) 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 41 41 76.7 -56.7 1.0 114.6 0 0 16 00 00 16 10 00 --- 17 51 42 74.9 -59.7 1.1 110.1 600 77 16 00 01 16 11 00 J1638+5720 17 52 42 62.9 -22.1 1.2 144.4 44 77 16 11 00 16 17 00 =1637+574 17 58 43 62.4 -23.5 1.3 141.8 360 123 16 11 01 16 17 40 NGC6251 17 59 24 40.2 -3.7 1.5 155.6 29 123 16 17 40 16 26 40 --- 18 08 25 40.1 -4.0 1.6 153.2 540 192 16 17 41 16 27 20 J1551+5806 18 09 05 56.3 -32.3 2.3 122.3 27 192 16 27 20 16 36 20 =1550+582 18 18 07 55.2 -33.4 2.4 119.5 540 262 16 27 21 16 37 00 J1606+3124 18 18 47 62.2 -84.8 2.2 77.2 20 262 16 37 00 16 52 00 =1604+315 18 33 49 59.1 -83.4 2.4 76.5 900 377 16 37 01 16 52 15 J1606+3124 18 34 04 59.0 -83.3 2.5 76.5 13 377 16 52 15 17 07 15 =1604+315 18 49 07 55.9 -81.9 2.7 75.7 900 492 16 52 16 17 07 30 J1606+3124 18 49 22 55.8 -81.9 2.7 75.7 13 492 17 07 30 17 22 30 =1604+315 19 04 24 52.7 -80.5 3.0 74.9 900 608 17 07 31 17 22 45 J1606+3124 19 04 39 52.7 -80.5 3.0 74.9 13 608 17 22 45 17 37 45 =1604+315 19 19 42 49.6 -79.1 3.2 74.0 900 723 17 22 46 17 38 25 J1638+5720 19 20 22 53.7 -36.2 2.7 113.8 22 723 17 38 25 17 44 25 =1637+574 19 26 23 52.9 -36.8 2.8 112.1 360 769 17 38 26 17 45 05 J1606+3124 19 27 03 48.1 -78.4 3.3 73.5 23 769 17 45 05 18 00 05 =1604+315 19 42 05 45.0 -77.1 3.6 72.6 900 885 17 45 06 18 00 20 J1606+3124 19 42 20 45.0 -77.0 3.6 72.6 13 885 18 00 20 18 15 20 =1604+315 19 57 23 41.9 -75.7 3.8 71.5 900 1000 18 00 21 18 15 35 J1606+3124 19 57 38 41.9 -75.7 3.8 71.5 13 1000 18 15 35 18 30 35 =1604+315 20 12 40 38.8 -74.3 4.1 70.5 900 1115 18 15 36 18 30 50 J1606+3124 20 12 55 38.8 -74.3 4.1 70.4 13 1115 18 30 50 18 45 50 =1604+315 20 27 58 35.8 -72.9 4.4 69.3 900 1231 18 30 51 Schedule for KVNTN (Code Kt ) 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 28 38 44.8 -39.9 3.8 96.6 26 1231 18 46 30 18 52 30 =1637+574 20 34 39 44.0 -40.1 3.9 95.2 360 1277 18 46 31 18 53 10 J1606+3124 20 35 19 34.3 -72.2 4.5 68.8 26 1277 18 53 10 19 08 10 =1604+315 20 50 22 31.3 -70.8 4.7 67.6 900 1392 18 53 11 19 08 25 J1606+3124 20 50 37 31.3 -70.7 4.7 67.5 13 1392 19 08 25 19 23 25 =1604+315 21 05 39 28.3 -69.3 5.0 66.3 900 1508 19 08 26 19 23 40 J1606+3124 21 05 54 28.3 -69.3 5.0 66.3 13 1508 19 23 40 19 38 40 =1604+315 21 20 57 25.3 -67.8 5.2 65.0 900 1623 19 23 41 19 38 55 J1606+3124 21 21 12 25.3 -67.8 5.2 65.0 13 1623 19 38 55 19 53 55 =1604+315 21 36 14 22.4 -66.2 5.5 63.6 900 1738 19 38 56 19 54 35 J1638+5720 21 36 54 35.6 -39.8 5.0 82.3 28 1738 19 54 35 20 00 35 =1637+574 21 42 55 34.8 -39.7 5.1 81.1 360 1785 19 54 36 20 01 15 3C345 21 43 35 31.2 -60.2 5.0 70.7 30 1785 20 01 15 20 09 15 --- 21 51 37 29.7 -59.6 5.1 69.7 480 1846 20 01 16 20 09 55 J1551+5806 21 52 17 27.8 -36.7 6.0 70.9 29 1846 20 09 55 20 18 55 =1550+582 22 01 18 26.7 -36.3 6.1 69.2 540 1915 20 09 56 20 19 35 J1606+3124 22 01 58 17.5 -63.5 5.9 61.2 28 1915 20 19 35 20 34 35 =1604+315 22 17 01 14.7 -61.9 6.2 59.7 900 2031 20 19 36 20 34 50 J1606+3124 22 17 16 14.7 -61.9 6.2 59.7 13 2031 20 34 50 20 49 50 =1604+315 22 32 18 11.9 -60.1 6.4 58.1 900 2146 20 34 51 20 50 05 J1606+3124 22 32 33 11.9 -60.1 6.4 58.1 13 2146 20 50 05 21 05 05 =1604+315 22 47 36 9.2 -58.4 6.7 56.5 900 2262 20 50 06 21 05 20 J1606+3124 22 47 51 9.1 -58.3 6.7 56.4 13 2262 21 05 20 21 20 20 =1604+315 23 02 53 6.5 -56.5 6.9 54.7 900 2377 21 05 21 21 20 35 J1606+3124 23 03 08 6.4 -56.5 6.9 54.7 13 2377 21 20 35 21 35 35 =1604+315 23 18 11 3.9 -54.6 7.2 D 52.9 0 2492 21 20 36 21 36 15 J1638+5720 23 18 51 22.5 -35.2 6.7 63.0 30 2492 21 36 15 21 42 15 =1637+574 23 24 52 21.8 -34.7 6.8 61.9 360 2538 21 36 16 21 42 55 2007+777 23 25 32 40.4 -12.2 3.3 122.5 29 2538 21 42 55 21 52 55 --- 23 35 34 40.0 -12.5 3.5 119.8 600 2615 21 42 56 Schedule for KVNTN (Code Kt ) 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 48 06 12.7 -27.9 8.2 46.4 4330 2615 23 05 15 23 11 15 =1637+574 00 54 07 12.1 -27.3 8.3 45.2 360 2662 23 05 16 23 11 55 NGC6251 00 54 47 28.7 -6.9 8.4 50.4 30 2662 23 11 55 23 20 55 --- 01 03 48 28.5 -6.7 8.6 48.3 540 2731 23 11 56 23 21 35 2007+777 01 04 28 35.6 -14.4 5.0 97.0 34 2731 23 21 35 23 30 00 --- 01 12 55 35.2 -14.4 5.1 94.9 505 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: 12 Station: KVNTN 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