COVER INFORMATION Station: TIANMA65 (Code T6 ) Experiment: Probing the gas kinematic and velocity gradients at milliarcsecond scale Exp. Code: ES089 Schedule Version: 2.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Rafal Sarniak Address: Torun Centre for Astronomy ul. Gagarina 11, Torun, PL-87100 Poland Phone: +48 56 6113038 EMAIL: kain@astro.umk.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 Probing the gas kinematic and velocity gradients at milliarcsecond scale 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 4 Mar 2018 Day 63 --- Next scan frequencies: 6663.96 6663.96 6663.96 6663.96 6667.96 6667.96 6667.96 6667.96 6671.96 6671.96 6671.96 6671.96 6675.96 6675.96 6675.96 6675.96 Next BBC frequencies: 763.96 763.96 763.96 763.96 767.96 767.96 767.96 767.96 771.96 771.96 771.96 771.96 775.96 775.96 775.96 775.96 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 04 00 00 J1834-0301 22 52 02 20.2 253.3 4.3 55.2 0 0 04 00 00 04 01 45 =1831-030 22 53 48 19.8 253.6 4.3 55.3 105 2 04 00 01 04 01 45 G30.224 22 53 48 22.8 252.1 4.1 54.6 -14 2 No stop 04 05 00 --- 22 57 03 22.1 252.6 4.1 54.9 181 5 04 01 46 04 05 00 J1834-0301 22 57 03 19.1 254.1 4.4 55.6 -14 5 No stop 04 06 45 =1831-030 22 58 48 18.8 254.3 4.4 55.7 91 6 04 05 01 04 06 45 G30.198 22 58 48 21.7 252.9 4.2 55.0 -14 6 No stop 04 10 00 --- 23 02 04 21.0 253.4 4.2 55.2 181 10 04 06 46 04 10 15 J1834-0301 23 02 19 18.1 254.9 4.5 55.9 1 10 04 10 15 04 12 00 =1831-030 23 04 04 17.7 255.1 4.5 56.0 105 11 04 10 16 04 15 42 3C345 23 07 47 15.1 307.7 6.4 61.9 116 11 04 15 42 04 20 42 --- 23 12 48 14.3 308.1 6.5 61.2 300 16 04 15 43 04 20 42 3C345 23 12 48 14.3 308.1 6.5 61.2 -2 16 No stop 04 24 32 --- 23 16 39 13.6 308.5 6.6 60.7 228 20 04 20 43 04 26 32 J1834-0301 23 18 39 14.7 257.2 4.7 56.8 15 20 04 26 32 04 28 17 =1831-030 23 20 24 14.3 257.5 4.8 56.8 105 21 04 26 33 04 28 17 G30.224 23 20 24 17.3 256.1 4.5 56.3 -14 21 No stop 04 31 32 --- 23 23 40 16.6 256.6 4.6 56.5 181 25 04 28 18 04 32 17 J1834-0301 23 24 25 13.5 258.0 4.8 57.0 31 25 04 32 17 04 34 02 =1831-030 23 26 10 13.1 258.3 4.9 57.1 105 26 04 32 18 04 34 02 G30.198 23 26 10 16.1 256.9 4.6 56.6 -14 26 No stop 04 37 17 --- 23 29 26 15.4 257.4 4.7 56.8 181 29 04 34 03 04 37 17 J1834-0301 23 29 26 12.4 258.7 4.9 57.2 -14 29 No stop 04 39 02 =1831-030 23 31 11 12.0 259.0 4.9 57.3 91 31 04 37 18 04 39 02 G30.224 23 31 11 15.0 257.6 4.7 56.9 -14 31 No stop 04 42 17 --- 23 34 27 14.4 258.1 4.8 57.0 181 34 04 39 03 Schedule for TIANMA65 (Code T6 ) Page 3 Probing the gas kinematic and velocity gradients at milliarcsecond scale 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 4 Mar 2018 Day 63 --- 04 43 02 J1834-0301 23 35 12 11.2 259.5 5.0 57.5 31 34 04 43 02 04 44 47 =1831-030 23 36 57 10.8 259.8 5.0 57.6 105 36 04 43 03 04 44 47 G30.198 23 36 57 13.8 258.4 4.8 57.1 -14 36 No stop 04 48 02 --- 23 40 13 13.1 258.9 4.9 57.3 181 39 04 44 48 04 48 02 J1834-0301 23 40 13 10.1 260.2 5.1 57.7 -14 39 No stop 04 49 47 =1831-030 23 41 58 9.8 260.4 5.1 57.7 91 41 04 48 03 04 49 47 G30.224 23 41 58 12.8 259.1 4.9 57.3 -14 41 No stop 04 53 02 --- 23 45 13 12.1 259.6 5.0 57.5 181 44 04 49 48 04 53 47 J1834-0301 23 45 59 8.9 261.0 5.2 57.9 31 44 04 53 47 04 55 32 =1831-030 23 47 44 8.5 261.2 5.2 57.9 105 46 04 53 48 04 55 32 G30.198 23 47 44 11.5 259.9 5.0 57.6 -14 46 No stop 04 58 47 --- 23 50 59 10.8 260.4 5.1 57.7 181 49 04 55 33 04 58 47 J1834-0301 23 50 59 7.9 261.7 5.3 58.0 -14 49 No stop 05 00 32 =1831-030 23 52 45 7.5 261.9 5.3 58.1 91 50 04 58 48 05 00 32 G30.224 23 52 45 10.5 260.6 5.1 57.7 -14 50 No stop 05 03 47 --- 23 56 00 9.8 261.1 5.1 57.9 181 53 05 00 33 05 06 17 G30.198 23 58 31 9.3 261.4 5.2 57.9 148 53 05 06 17 05 09 32 --- 00 01 46 8.6 261.8 5.2 58.0 195 57 05 06 18 05 11 17 G30.224 00 03 31 8.2 262.1 5.3 58.1 103 57 05 11 17 05 14 32 --- 00 06 47 7.5 262.5 5.3 58.2 195 60 05 11 18 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess118.M128 --- 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: TIANMA65 Total bit rate: 128 Format: MARK5B 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= 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 5900.00 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 = A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 A2 C1 The following frequency sets based on these setups were used. Frequency Set: 9 Based on FREQ, BW, and/or DOPPLER in schedule. Used with PCAL = off LO sum= 6663.96 6663.96 6663.96 6663.96 6667.96 6667.96 6667.96 6667.96 6671.96 6671.96 6671.96 6671.96 6675.96 6675.96 6675.96 6675.96 BBC fr= 763.96 763.96 763.96 763.96 767.96 767.96 767.96 767.96 771.96 771.96 771.96 771.96 775.96 775.96 775.96 775.96 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: 9 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) * G30.224 18 44 31.629030 * 18 47 08.297810 18 48 03.805568 0.00 -02 32 48.42487 *-02 29 29.31990 -02 28 16.67473 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 111.00 111.00 111.00 111.00 111.00 111.00 111.00 111.00 111.00 111.00 111.00 111.00 111.00 111.00 * G30.198 18 44 26.379805 * 18 47 03.070040 18 47 58.585898 0.00 -02 33 54.99049 *-02 30 36.25970 -02 29 23.74210 0.00 From catalog imbedded in main SCHED input file. Doppler based on other sources. * 3C345 16 41 17.606228 * 16 42 58.809966 16 43 35.009710 0.76 J1642+3948 39 54 10.81496 * 39 48 36.99402 39 46 26.10607 0.52 1641+399 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J1642+39 GSFC 2015a astro solution, unpublished 53430 observations. Doppler based on other sources. 1831-030 18 31 36.772725 * 18 34 14.074666 18 35 09.876684 0.24 * J1834-0301 -03 03 43.12330 *-03 01 19.62711 -03 00 26.64577 0.32 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 77 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 G30.224 sess118.M128 1 2 3 4 5 6 7 8 9 10 11 12 2.167 91.938 G30.198 sess118.M128 1 2 3 4 5 6 7 8 9 10 11 12 2.167 91.061 3C345 sess118.M128 1 2 3 4 5 6 7 8 9 10 11 12 0.443 21.380 J1834-0301 sess118.M128 1 2 3 4 5 6 7 8 9 10 11 12 2.450 100.926 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) G30.224 62.9 G30.198 62.9 3C345 97.2 J1834-0301 66.0 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