COVER INFORMATION Station: TIANMA65 (Code T6 ) Experiment: EVN mapping of 6.7 GHz maser in Cep A Exp. Code: RD002 Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Michal Durjasz Address: Torun Centre for Astronomy ul. Gagarina 11, Torun, PL-87100 Poland Phone: +48 56 6113037 EMAIL: md@astro.uni.torun.pl Fax: +48 56 6113009 Phone during observation: +48 56 6113010 Observing mode: MKV, 128Mb/s Notes: Please, make sure the PHASE CAL is OFF. Schedule for TIANMA65 (Code T6 ) Page 2 EVN mapping of 6.7 GHz maser in Cep A 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 2 Jun 2020 Day 154 --- Next scan frequencies: 6662.08 6662.08 6662.08 6662.08 6666.08 6666.08 6666.08 6666.08 6670.08 6670.08 6670.08 6670.08 6674.08 6674.08 6674.08 6674.08 Next BBC frequencies: 760.08 760.08 760.08 760.08 764.08 764.08 764.08 764.08 768.08 768.08 768.08 768.08 772.08 772.08 772.08 772.08 Next scan bandwidths: 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 05 30 00 2007+777 06 19 09 20.2 -5.7 10.2 23.9 0 0 05 30 00 05 35 00 --- 06 24 10 20.1 -5.4 10.3 22.8 300 5 05 30 01 05 39 00 J2254+6209 06 28 11 17.4 -26.6 7.5 55.6 195 5 05 39 00 05 40 45 =2252+618 06 29 56 17.3 -26.5 7.6 55.2 105 7 05 39 01 05 41 15 CEPA 06 30 26 17.3 -26.7 7.6 55.5 28 7 05 41 15 05 44 30 --- 06 33 41 17.0 -26.5 7.6 54.8 195 10 05 41 16 05 44 30 J2254+6209 06 33 41 16.9 -26.2 7.6 54.5 -2 10 No stop 05 46 15 =2252+618 06 35 27 16.8 -26.1 7.7 54.1 103 11 05 44 31 05 46 45 CEPA 06 35 57 16.8 -26.3 7.6 54.4 28 11 05 46 45 05 50 00 --- 06 39 12 16.5 -26.1 7.7 53.7 195 14 05 46 46 05 50 00 J2254+6209 06 39 12 16.4 -25.9 7.7 53.4 -2 14 No stop 05 51 45 =2252+618 06 40 58 16.2 -25.7 7.8 53.0 103 16 05 50 01 05 52 15 CEPA 06 41 28 16.3 -25.9 7.7 53.2 28 16 05 52 15 05 55 30 --- 06 44 43 16.0 -25.7 7.8 52.6 195 19 05 52 16 05 55 30 J2254+6209 06 44 43 15.9 -25.4 7.8 52.2 -2 19 No stop 05 57 15 =2252+618 06 46 29 15.7 -25.3 7.9 51.9 103 21 05 55 31 05 57 45 CEPA 06 46 59 15.8 -25.5 7.8 52.1 28 21 05 57 45 06 01 00 --- 06 50 14 15.5 -25.3 7.9 51.5 195 24 05 57 46 06 01 00 J2254+6209 06 50 14 15.4 -25.0 7.9 51.1 -2 24 No stop 06 02 45 =2252+618 06 51 59 15.2 -24.9 7.9 50.8 103 26 06 01 01 06 03 15 CEPA 06 52 30 15.3 -25.1 7.9 51.0 28 26 06 03 15 06 06 30 --- 06 55 45 15.0 -24.9 8.0 50.4 195 29 06 03 16 06 06 30 J2254+6209 06 55 45 14.9 -24.6 8.0 50.0 -2 29 No stop 06 08 15 =2252+618 06 57 30 14.7 -24.5 8.0 49.7 103 31 06 06 31 06 08 45 CEPA 06 58 00 14.8 -24.7 8.0 49.9 28 31 06 08 45 06 12 00 --- 07 01 16 14.5 -24.4 8.1 49.3 195 34 06 08 46 Schedule for TIANMA65 (Code T6 ) Page 3 EVN mapping of 6.7 GHz maser in Cep A 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 2 Jun 2020 Day 154 --- 06 12 00 J2254+6209 07 01 16 14.4 -24.2 8.1 48.9 -3 34 No stop 06 13 45 =2252+618 07 03 01 14.3 -24.0 8.1 48.6 102 36 06 12 01 06 14 15 CEPA 07 03 31 14.3 -24.3 8.1 48.8 27 36 06 14 15 06 17 30 --- 07 06 47 14.0 -24.0 8.2 48.2 195 39 06 14 16 06 17 30 J2254+6209 07 06 47 13.9 -23.7 8.2 47.8 -3 39 No stop 06 19 15 =2252+618 07 08 32 13.8 -23.6 8.2 47.4 102 40 06 17 31 06 19 45 CEPA 07 09 02 13.8 -23.8 8.2 47.7 27 40 06 19 45 06 23 00 --- 07 12 18 13.5 -23.5 8.3 47.0 195 43 06 19 46 06 23 00 J2254+6209 07 12 18 13.5 -23.3 8.3 46.7 -3 43 No stop 06 24 45 =2252+618 07 14 03 13.3 -23.2 8.3 46.3 102 45 06 23 01 06 25 15 CEPA 07 14 33 13.3 -23.4 8.3 46.6 27 45 06 25 15 06 28 30 --- 07 17 49 13.1 -23.1 8.3 45.9 195 48 06 25 16 06 28 30 J2254+6209 07 17 49 13.0 -22.8 8.4 45.6 -3 48 No stop 06 30 15 =2252+618 07 19 34 12.8 -22.7 8.4 45.2 102 50 06 28 31 06 30 45 CEPA 07 20 04 12.9 -22.9 8.4 45.5 27 50 06 30 45 06 34 00 --- 07 23 20 12.6 -22.6 8.4 44.8 195 53 06 30 46 06 34 00 J2254+6209 07 23 20 12.5 -22.4 8.5 44.5 -3 53 No stop 06 35 45 =2252+618 07 25 05 12.4 -22.2 8.5 44.1 102 55 06 34 01 06 36 15 CEPA 07 25 35 12.4 -22.4 8.5 44.4 27 55 06 36 15 06 39 30 --- 07 28 50 12.1 -22.2 8.5 43.7 195 58 06 36 16 06 39 30 J2254+6209 07 28 50 12.1 -21.9 8.6 43.3 -3 58 No stop 06 41 15 =2252+618 07 30 36 12.0 -21.7 8.6 43.0 102 60 06 39 31 06 41 45 CEPA 07 31 06 12.0 -22.0 8.6 43.2 27 60 06 41 45 06 45 00 --- 07 34 21 11.7 -21.7 8.6 42.6 195 63 06 41 46 06 45 00 J2254+6209 07 34 21 11.7 -21.4 8.7 42.2 -3 63 No stop 06 46 45 =2252+618 07 36 07 11.5 -21.3 8.7 41.9 102 64 06 45 01 06 47 15 CEPA 07 36 37 11.5 -21.5 8.7 42.1 27 64 06 47 15 06 50 30 --- 07 39 52 11.3 -21.2 8.7 41.5 195 68 06 47 16 06 50 30 J2254+6209 07 39 52 11.2 -20.9 8.7 41.1 -3 68 No stop 06 52 15 =2252+618 07 41 38 11.1 -20.8 8.8 40.7 102 69 06 50 31 Schedule for TIANMA65 (Code T6 ) Page 4 EVN mapping of 6.7 GHz maser in Cep A 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 2 Jun 2020 Day 154 --- 06 52 45 CEPA 07 42 08 11.1 -21.0 8.8 41.0 27 69 06 52 45 06 56 00 --- 07 45 23 10.9 -20.7 8.8 40.3 195 72 06 52 46 06 56 00 J2254+6209 07 45 23 10.8 -20.4 8.8 40.0 -3 72 No stop 06 57 45 =2252+618 07 47 08 10.7 -20.3 8.9 39.6 102 74 06 56 01 06 58 15 CEPA 07 47 39 10.7 -20.5 8.8 39.9 27 74 06 58 15 07 01 30 --- 07 50 54 10.4 -20.2 8.9 39.2 195 77 06 58 16 07 01 30 J2254+6209 07 50 54 10.4 -19.9 8.9 38.8 -3 77 No stop 07 03 15 =2252+618 07 52 39 10.3 -19.8 9.0 38.5 102 79 07 01 31 07 03 45 CEPA 07 53 09 10.3 -20.0 8.9 38.7 27 79 07 03 45 07 07 00 --- 07 56 25 10.0 -19.7 9.0 38.1 195 82 07 03 46 07 07 00 J2254+6209 07 56 25 10.0 -19.4 9.0 37.7 -3 82 No stop 07 08 45 =2252+618 07 58 10 9.9 -19.3 9.0 37.3 102 84 07 07 01 07 09 15 CEPA 07 58 40 9.9 -19.5 9.0 37.6 27 84 07 09 15 07 12 30 --- 08 01 56 9.6 -19.2 9.1 36.9 195 87 07 09 16 07 12 30 J2254+6209 08 01 56 9.6 -18.9 9.1 36.6 -3 87 No stop 07 14 15 =2252+618 08 03 41 9.5 -18.7 9.1 36.2 102 89 07 12 31 07 14 45 CEPA 08 04 11 9.5 -18.9 9.1 36.5 27 89 07 14 45 07 18 00 --- 08 07 27 9.3 -18.6 9.2 35.8 195 92 07 14 46 07 18 00 J2254+6209 08 07 27 9.2 -18.4 9.2 35.4 -3 92 No stop 07 19 45 =2252+618 08 09 12 9.1 -18.2 9.2 35.1 102 93 07 18 01 07 20 15 CEPA 08 09 42 9.1 -18.4 9.2 35.4 27 93 07 20 15 07 23 30 --- 08 12 58 8.9 -18.1 9.3 34.7 195 97 07 20 16 07 23 30 J2254+6209 08 12 58 8.9 -17.8 9.3 34.3 -3 97 No stop 07 25 15 =2252+618 08 14 43 8.8 -17.7 9.3 33.9 102 98 07 23 31 07 25 45 CEPA 08 15 13 8.7 -17.9 9.3 34.2 27 98 07 25 45 07 29 00 --- 08 18 29 8.5 -17.6 9.4 33.5 195 101 07 25 46 07 29 00 J2254+6209 08 18 29 8.5 -17.3 9.4 33.2 -3 101 No stop 07 30 45 =2252+618 08 20 14 8.4 -17.1 9.4 32.8 102 103 07 29 01 07 33 45 2007+777 08 23 14 19.1 1.0-11.7 -4.2 135 103 07 33 45 07 39 45 --- 08 29 15 19.1 1.3-11.6 -5.5 360 109 07 33 46 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess220.M128line --- 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: 11 Station: TIANMA65 Total bit rate: 128 Format: VDIF Bits per sample: 2 Sample rate: 4.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 5902.00 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 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 BBC SB= L L U U L L U U L L U U L L U U IF = A4 B3 A4 B3 A4 B3 A4 B3 A4 B3 A4 B3 A4 B3 A4 B3 The following frequency sets based on these setups were used. Frequency Set: 11 Based on FREQ, BW, and/or DOPPLER in schedule. Used with PCAL = off LO sum= 6662.08 6662.08 6662.08 6662.08 6666.08 6666.08 6666.08 6666.08 6670.08 6670.08 6670.08 6670.08 6674.08 6674.08 6674.08 6674.08 BBC fr= 760.08 760.08 760.08 760.08 764.08 764.08 764.08 764.08 768.08 768.08 768.08 768.08 772.08 772.08 772.08 772.08 Bandwd= 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 Matching frequency sets: 11 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * CEPA 22 54 18.959416 * 22 56 17.900000 22 57 05.762398 0.00 61 45 47.43147 * 62 01 49.65000 62 07 57.62101 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: -3.75 -3.75 -3.75 -3.75 -3.75 -3.75 -3.75 -3.75 -3.75 -3.75 -3.75 -3.75 -3.75 -3.75 * 2007+777 20 07 20.430197 * 20 05 30.998526 20 04 50.086246 0.04 J2005+7752 77 43 58.12301 * 77 52 43.24754 77 55 57.16625 0.01 J2005+77 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 15674 observations. Doppler based on other sources. 2252+618 22 52 27.526730 * 22 54 25.292723 22 55 12.701389 5.27 * J2254+6209 61 53 38.80536 * 62 09 38.71887 62 15 45.76111 2.08 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 19 observations. Doppler based on other sources. 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 CEPA sess220.M128line 1 2 3 4 5 7 10 11 3.167 152.355 2007+777 sess220.M128line 1 2 3 4 5 7 10 11 0.267 13.083 J2254+6209 sess220.M128line 1 2 3 4 5 7 10 11 1.767 74.085 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) CEPA 68.8 2007+777 75.7 J2254+6209 69.0 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