COVER INFORMATION Station: ZELENCHK (Code Zc ) 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 ZELENCHK (Code Zc ) 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: 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 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 12 02 06 39.0 428.6 -4.7 -61.0 0 0 16 00 00 16 10 00 --- 12 12 08 40.7 429.8 -4.5 -61.8 600 77 16 00 01 16 11 00 J1638+5720 12 13 08 47.6 407.2 -4.4 -78.9 12 77 16 11 00 16 17 00 =1637+574 12 19 09 48.4 407.5 -4.3 -80.0 360 123 16 11 01 16 17 40 NGC6251 12 19 49 46.8 369.8 -4.2 -110.3 -23 123 16 17 40 16 26 40 --- 12 28 50 47.1 369.6 -4.0 -112.7 517 192 16 17 41 16 27 20 J1551+5806 12 29 31 56.0 407.1 -3.4 -92.2 -22 192 16 27 20 16 36 20 =1550+582 12 38 32 57.2 407.0 -3.2 -94.3 518 262 16 27 21 16 37 00 J1606+3124 12 39 12 47.8 449.0 -3.5 -57.7 -27 262 16 37 00 16 52 00 =1604+315 12 54 15 50.5 451.7 -3.2 -57.7 873 377 16 37 01 16 52 15 J1606+3124 12 54 30 50.5 451.7 -3.2 -57.7 9 377 16 52 15 17 07 15 =1604+315 13 09 32 53.2 454.5 -3.0 -57.4 900 492 16 52 16 17 07 30 J1606+3124 13 09 47 53.3 454.5 -3.0 -57.4 9 492 17 07 30 17 22 30 =1604+315 13 24 50 56.0 457.5 -2.7 -56.9 900 608 17 07 31 17 22 45 J1606+3124 13 25 05 56.0 457.6 -2.7 -56.9 9 608 17 22 45 17 37 45 =1604+315 13 40 07 58.7 460.9 -2.4 -56.1 900 723 17 22 46 17 38 25 J1638+5720 13 40 47 59.4 408.0 -3.0 -96.8 -38 723 17 38 25 17 44 25 =1637+574 13 46 48 60.2 407.8 -2.9 -98.2 322 769 17 38 26 17 45 05 J1606+3124 13 47 28 60.0 462.6 -2.3 -55.6 -40 769 17 45 05 18 00 05 =1604+315 14 02 31 62.6 466.5 -2.1 -54.2 860 885 17 45 06 18 00 20 J1606+3124 14 02 46 62.7 466.5 -2.1 -54.2 9 885 18 00 20 18 15 20 =1604+315 14 17 48 65.2 470.9 -1.8 -52.2 900 1000 18 00 21 18 15 35 J1606+3124 14 18 03 65.3 471.0 -1.8 -52.1 9 1000 18 15 35 18 30 35 =1604+315 14 33 06 67.8 476.1 -1.6 -49.4 900 1115 18 15 36 18 30 50 J1606+3124 14 33 21 67.8 476.2 -1.6 -49.4 9 1115 18 30 50 18 45 50 =1604+315 14 48 23 70.2 482.2 -1.3 -45.7 900 1231 18 30 51 Schedule for ZELENCHK (Code Zc ) 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 14 49 03 68.2 402.0 -1.8 -116.5 -65 1231 18 46 30 18 52 30 =1637+574 14 55 04 68.9 401.0 -1.7 -118.7 295 1277 18 46 31 18 53 10 J1606+3124 14 55 44 71.3 485.6 -1.2 -43.4 -70 1277 18 53 10 19 08 10 =1604+315 15 10 47 73.4 493.7 -0.9 -37.7 830 1392 18 53 11 19 08 25 J1606+3124 15 11 02 73.4 493.8 -0.9 -37.6 8 1392 19 08 25 19 23 25 =1604+315 15 26 04 75.2 503.7 -0.7 -30.0 900 1508 19 08 26 19 23 40 J1606+3124 15 26 19 75.2 503.9 -0.7 -29.9 8 1508 19 23 40 19 38 40 =1604+315 15 41 22 76.6 515.8 -0.4 -20.2 900 1623 19 23 41 19 38 55 J1606+3124 15 41 37 76.6 516.1 -0.4 -20.1 8 1623 19 38 55 19 53 55 =1604+315 15 56 39 77.4 529.9 -0.2 -8.5 900 1738 19 38 56 19 54 35 J1638+5720 15 57 20 75.0 382.0 -0.7 -150.0 -134 1738 19 54 35 20 00 35 =1637+574 16 03 21 75.4 379.2 -0.6 -154.0 226 1785 19 54 36 20 09 55 J1551+5806 16 12 42 75.4 349.3 0.3 165.3 510 1785 20 09 55 20 18 55 =1550+582 16 21 44 75.0 344.9 0.5 159.1 540 1854 20 09 56 20 19 35 J1606+3124 16 22 24 77.2 555.1 0.3 12.7 -198 1854 20 19 35 20 34 35 =1604+315 16 37 26 76.2 568.4 0.5 23.7 702 1969 20 19 36 20 34 50 J1606+3124 16 37 41 76.2 568.6 0.5 23.9 8 1969 20 34 50 20 49 50 =1604+315 16 52 44 74.6 579.8 0.8 32.8 900 2085 20 34 51 20 50 05 J1606+3124 16 52 59 74.6 580.0 0.8 32.9 8 2085 20 50 05 21 05 05 =1604+315 17 08 01 72.7 589.2 1.0 39.8 900 2200 20 50 06 21 05 20 J1606+3124 17 08 16 72.7 589.4 1.0 39.9 8 2200 21 05 20 21 20 20 =1604+315 17 23 19 70.5 596.9 1.3 45.1 900 2315 21 05 21 21 20 35 J1606+3124 17 23 34 70.5 597.0 1.3 45.1 9 2315 21 20 35 21 35 35 =1604+315 17 38 36 68.1 603.2 1.5 49.0 900 2431 21 20 36 21 36 15 J1638+5720 17 39 16 73.5 690.2 1.0 138.4 -72 2431 21 36 15 21 42 15 =1637+574 17 45 17 72.9 688.2 1.1 135.2 288 2477 21 36 16 21 42 55 2007+777 17 45 57 53.2 731.5 -2.3 -136.6 -28 2477 21 42 55 21 52 55 --- 17 55 59 53.6 730.8 -2.1 -139.6 572 2554 21 42 56 21 53 35 J1606+3124 17 56 39 65.1 609.3 1.8 52.3 -106 2554 21 53 35 22 08 35 =1604+315 18 11 42 62.6 613.7 2.1 54.2 794 2669 21 53 36 Schedule for ZELENCHK (Code Zc ) 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 --- 22 08 50 J1606+3124 18 11 57 62.5 613.7 2.1 54.3 9 2669 22 08 50 22 23 50 =1604+315 18 26 59 59.9 617.6 2.3 55.7 900 2785 22 08 51 22 24 05 J1606+3124 18 27 14 59.8 617.6 2.3 55.7 9 2785 22 24 05 22 39 05 =1604+315 18 42 17 57.2 621.0 2.6 56.6 900 2900 22 24 06 22 39 20 J1606+3124 18 42 32 57.1 621.1 2.6 56.6 9 2900 22 39 20 22 54 20 =1604+315 18 57 34 54.4 624.2 2.8 57.3 900 3015 22 39 21 22 54 35 J1606+3124 18 57 49 54.4 624.3 2.8 57.3 9 3015 22 54 35 23 04 35 =1604+315 19 07 51 52.6 626.2 3.0 57.5 600 3092 22 54 36 23 05 15 J1638+5720 19 08 31 63.1 673.4 2.5 103.9 -32 3092 23 05 15 23 11 15 =1637+574 19 14 32 62.3 673.0 2.6 102.2 328 3138 23 05 16 23 11 55 NGC6251 19 15 12 49.2 712.5 2.7 133.4 -24 3138 23 11 55 23 20 55 --- 19 24 13 49.0 712.2 2.9 130.9 516 3208 23 11 56 23 21 35 2007+777 19 24 54 55.6 723.7 -0.7 -167.2 5 3208 23 21 35 23 30 00 --- 19 33 20 55.7 722.9 -0.5 -169.9 505 3272 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 Matching groups in /home/guest/rmc/SCHED/sched11.4/catalogs/freq_RDBE.dat: kvzr_k Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK 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= 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 8 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= 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 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: 8 9 10 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 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