COVER INFORMATION Station: KVNTN (Code Kt ) Experiment: EVN 22 GHz polarimetry observation of 3 high-z quasars Exp. Code: EZ028C 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 ---------------------------------------------------------------------------------------- --- Wed 13 Jun 2018 Day 164 --- 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 02 00 00 2007+777 03 51 12 27.3 -12.1 7.8 57.3 0 0 02 00 00 02 10 00 --- 04 01 14 26.9 -11.8 7.9 55.0 600 77 02 00 01 02 11 00 3C454.3 04 02 14 19.6 -83.1 5.1 59.8 33 77 02 11 00 02 21 00 --- 04 12 16 17.6 -81.8 5.3 59.5 600 154 02 11 01 03 34 05 J1510+5702 05 25 33 4.7 17.7 -9.7 D -27.8 4351 154 03 34 05 03 49 05 =1508+572 05 40 35 5.7 19.5 -9.5 H -30.8 0 269 03 34 06 03 49 20 J1510+5702 05 40 50 5.7 19.5 -9.5 H -30.8 13 269 03 49 20 04 04 20 =1508+572 05 55 53 6.8 21.2 -9.2 H -33.8 0 385 03 49 21 04 04 35 J1510+5702 05 56 08 6.8 21.3 -9.2 H -33.8 13 385 04 04 35 04 19 35 =1508+572 06 11 10 8.0 23.0 -9.0 H -36.8 0 500 04 04 36 04 19 50 J1510+5702 06 11 25 8.0 23.0 -9.0 H -36.8 13 500 04 19 50 04 34 50 =1508+572 06 26 28 9.3 24.6 -8.7 -39.7 0 615 04 19 51 04 35 30 3C84 06 27 08 52.6 -63.4 3.1 87.3 7 615 04 35 30 04 45 30 --- 06 37 10 50.7 -63.2 3.3 85.7 600 692 04 35 31 04 54 50 J1510+5702 06 46 31 11.1 26.7 -8.4 -43.6 527 692 04 54 50 05 09 50 =1508+572 07 01 34 12.5 28.2 -8.1 -46.4 900 808 04 54 51 05 10 05 J1510+5702 07 01 49 12.6 28.2 -8.1 -46.5 13 808 05 10 05 05 25 05 =1508+572 07 16 51 14.1 29.6 -7.9 -49.3 900 923 05 10 06 05 25 20 J1510+5702 07 17 06 14.1 29.6 -7.9 -49.3 13 923 05 25 20 05 40 20 =1508+572 07 32 09 15.7 31.0 -7.6 -52.1 900 1038 05 25 21 05 40 35 J1510+5702 07 32 24 15.7 31.0 -7.6 -52.2 13 1038 05 40 35 05 55 35 =1508+572 07 47 26 17.4 32.3 -7.4 -55.0 900 1154 05 40 36 06 04 55 J1510+5702 07 56 48 18.4 33.0 -7.2 -56.7 558 1154 06 04 55 06 19 55 =1508+572 08 11 50 20.2 34.2 -7.0 -59.5 900 1269 06 04 56 06 20 10 J1510+5702 08 12 05 20.2 34.2 -7.0 -59.5 13 1269 06 20 10 06 35 10 =1508+572 08 27 08 22.0 35.3 -6.7 -62.3 900 1385 06 20 11 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 ---------------------------------------------------------------------------------------- --- Wed 13 Jun 2018 Day 164 --- 06 35 25 J1510+5702 08 27 23 22.0 35.3 -6.7 -62.3 13 1385 06 35 25 06 50 25 =1508+572 08 42 25 23.9 36.3 -6.5 -65.1 900 1500 06 35 26 06 50 40 J1510+5702 08 42 40 23.9 36.3 -6.5 -65.2 13 1500 06 50 40 07 05 40 =1508+572 08 57 43 25.8 37.2 -6.2 -67.9 900 1615 06 50 41 07 06 20 3C84 08 58 23 25.2 -55.4 5.6 66.8 6 1615 07 06 20 07 16 20 --- 09 08 24 23.5 -54.5 5.8 65.5 600 1692 07 06 21 07 17 00 J1510+5702 09 09 04 27.2 37.8 -6.0 -70.0 6 1692 07 17 00 07 32 00 =1508+572 09 24 07 29.2 38.5 -5.8 -72.8 900 1808 07 17 01 07 32 15 J1510+5702 09 24 22 29.2 38.5 -5.8 -72.9 13 1808 07 32 15 07 47 15 =1508+572 09 39 24 31.2 39.2 -5.5 -75.7 900 1923 07 32 16 07 47 30 J1510+5702 09 39 39 31.2 39.2 -5.5 -75.8 13 1923 07 47 30 08 02 30 =1508+572 09 54 42 33.2 39.7 -5.3 -78.6 900 2038 07 47 31 08 02 45 J1510+5702 09 54 57 33.2 39.7 -5.3 -78.7 13 2038 08 02 45 08 17 45 =1508+572 10 09 59 35.2 40.2 -5.0 -81.6 900 2154 08 02 46 08 27 05 J1510+5702 10 19 21 36.5 40.4 -4.9 -83.4 558 2154 08 27 05 08 42 05 =1508+572 10 34 23 38.5 40.6 -4.6 -86.5 900 2269 08 27 06 08 42 20 J1510+5702 10 34 38 38.6 40.6 -4.6 -86.5 13 2269 08 42 20 08 57 20 =1508+572 10 49 41 40.6 40.7 -4.3 -89.6 900 2385 08 42 21 08 57 35 J1510+5702 10 49 56 40.7 40.7 -4.3 -89.7 13 2385 08 57 35 09 12 35 =1508+572 11 04 58 42.7 40.6 -4.1 -92.8 900 2500 08 57 36 09 12 50 J1510+5702 11 05 13 42.7 40.6 -4.1 -92.9 13 2500 09 12 50 09 27 50 =1508+572 11 20 16 44.8 40.4 -3.8 -96.2 900 2615 09 12 51 09 47 50 J1510+5702 11 40 19 47.5 39.8 -3.5 -100.8 1198 2615 09 47 50 10 02 50 =1508+572 11 55 22 49.5 39.1 -3.3 -104.5 900 2731 09 47 51 10 03 05 J1510+5702 11 55 37 49.5 39.1 -3.2 -104.6 13 2731 10 03 05 10 18 05 =1508+572 12 10 39 51.5 38.2 -3.0 -108.4 900 2846 10 03 06 10 18 20 J1510+5702 12 10 54 51.5 38.2 -3.0 -108.5 13 2846 10 18 20 10 33 20 =1508+572 12 25 57 53.4 37.0 -2.7 -112.6 900 2962 10 18 21 10 33 35 J1510+5702 12 26 12 53.5 37.0 -2.7 -112.6 13 2962 10 33 35 10 48 35 =1508+572 12 41 14 55.3 35.5 -2.5 -117.0 900 3077 10 33 36 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 ---------------------------------------------------------------------------------------- --- Wed 13 Jun 2018 Day 164 --- 10 49 15 J1510+5702 12 41 54 55.4 35.4 -2.5 -117.2 38 3077 10 49 15 11 04 15 =1508+572 12 56 57 57.2 33.6 -2.2 -121.9 900 3192 10 49 16 11 04 30 J1510+5702 12 57 12 57.2 33.6 -2.2 -121.9 13 3192 11 04 30 11 19 30 =1508+572 13 12 14 58.9 31.4 -2.0 -127.0 900 3308 11 04 31 11 19 45 J1510+5702 13 12 29 58.9 31.4 -2.0 -127.0 13 3308 11 19 45 11 34 45 =1508+572 13 27 32 60.5 28.8 -1.7 -132.4 900 3423 11 19 46 11 35 00 J1510+5702 13 27 47 60.5 28.7 -1.7 -132.5 13 3423 11 35 00 11 50 00 =1508+572 13 42 49 62.0 25.7 -1.5 -138.4 900 3538 11 35 01 11 50 40 2007+777 13 43 29 31.4 14.1 -6.4 -77.1 27 3538 11 50 40 12 00 00 --- 13 52 51 31.8 14.2 -6.2 -79.3 560 3610 11 50 41 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) * 3C84 03 16 29.567263 * 03 19 48.160094 03 20 59.225303 1.30 J0319+4130 41 19 51.91701 * 41 30 42.10413 41 34 22.77765 2.69 0316+413 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J0319+41 GSFC 2015a astro solution, unpublished 10208 observations. 1508+572 15 08 45.204537 * 15 10 02.922370 15 10 32.766911 0.03 * J1510+5702 57 14 02.08981 * 57 02 43.37598 56 58 51.43331 0.02 J1510+57 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 2375 observations. * 2007+777 20 07 20.430197 * 20 05 30.998526 20 04 56.097504 0.03 J2005+7752 77 43 58.12302 * 77 52 43.24755 77 55 45.12728 0.01 J2005+77 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 15597 observations. * 3C454.3 22 51 29.519738 * 22 53 57.747938 22 54 51.936629 0.67 J2253+1608 15 52 54.34810 * 16 08 53.56093 16 14 37.86185 0.70 2251+158 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J2253+16 GSFC 2015a astro solution, unpublished 40748 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 3C84 sess218.K1024 1 2 3 4 5 6 7 8 12 0.500 23.025 J1510+5702 sess218.K1024 1 2 3 4 5 6 7 8 12 8.000 603.394 2007+777 sess218.K1024 1 2 3 4 5 6 7 8 12 0.322 28.521 3C454.3 sess218.K1024 1 2 3 4 5 6 7 8 12 0.867 26.021 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) 3C84 31.9 J1510+5702 94.9 2007+777 76.3 3C454.3 90.6 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