COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: Network Monitoring Experiment Exp. Code: N15L3 Schedule Version: 2.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Minnie Mao Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596508 EMAIL: mao@jive.eu Fax: Phone during observation: +31-521-596508 Observing mode: Notes: 18cm NME and 4 ftp fringe tests for session 3/2015 512 Mbps, L+R, 2-bit sampling, 8 MHz filters Please send the disk pack by express to JIVE COVER LETTER: This is the schedule for the 18cm NME and ftp fringe-test on 15 October 2015 involving 15 antennas: Ef Wb1 Jb1 On85 Mc Sh T6 Ur Tr Sv Zc Bd Hh Sr Ir. The NME uses a standard 512 Mbps setup. The schedule consists of long integrations on strong calibrators (J1642+3948 aka. 3C345 and J1751+0939) for ftp-fringe tests. At 18cm, 3C345 (J1642+3948) is ~3.5 Jy/beam and J1751+0939 is ~2.9Jy/beam) Four ftp-fringe tests are scheduled throughout the experiment: 11:39:00 (scan 2, 2 sec, J1642+3948) 12:39:00 (scan 8, 2 sec, J1642+3948) 13:04:00 (scan 11, 2 sec, J1751+0939) 14:09:00 (scan 17, 2 sec, J1751+0939) All antennas will participate in at least two FTP fringe tests. Please make sure that the autoftp is set up correctly. Thanks! Good luck with the session and see you on Skype! Minnie Skype account: mini_mintaka Schedule for ZELENCHK (Code Zc ) Page 2 Network Monitoring Experiment 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 ---------------------------------------------------------------------------------------- --- Thu 15 Oct 2015 Day 288 --- Next scan frequencies: 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 Next BBC frequencies: 374.49 374.49 374.49 374.49 390.49 390.49 390.49 390.49 406.49 406.49 406.49 406.49 422.49 422.49 422.49 422.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 11 30 00 J1642+3948 15 51 00 79.4 467.8 -0.9 -63.5 0 0 11 30 00 11 34 00 =3C345 15 55 00 80.1 469.7 -0.8 D -62.2 0 15 11 30 01 12 55 00 J1751+0939 17 16 13 55.0 524.4 -0.6 -11.4 4780 15 12 55 00 13 00 00 =1749+096 17 21 14 55.2 526.5 -0.5 -9.8 300 35 12 55 01 13 02 00 J1751+0939 17 23 15 55.3 527.4 -0.5 -9.2 113 35 13 02 00 13 05 00 =1749+096 17 26 15 55.4 528.7 -0.4 -8.3 180 46 13 02 01 13 07 00 J1751+0939 17 28 15 55.5 529.5 -0.4 -7.7 113 46 13 07 00 13 15 00 =1749+096 17 36 17 55.7 533.0 -0.3 -5.1 480 77 13 07 01 13 17 00 J1751+0939 17 38 17 55.7 533.9 -0.2 -4.5 113 77 13 17 00 13 30 00 =1749+096 17 51 19 55.9 539.6 -0.0 -0.3 780 127 13 17 01 13 32 00 J1751+0939 17 53 20 55.9 540.5 0.0 0.3 113 127 13 32 00 13 45 00 =1749+096 18 06 22 55.7 546.2 0.2 4.5 780 177 13 32 01 13 47 00 J1751+0939 18 08 22 55.7 547.0 0.3 5.2 113 177 13 47 00 14 00 00 =1749+096 18 21 24 55.3 552.7 0.5 9.2 780 227 13 47 01 14 02 00 J1751+0939 18 23 24 55.2 553.5 0.5 9.9 113 227 14 02 00 14 04 00 =1749+096 18 25 25 55.1 554.4 0.6 10.5 120 235 14 02 01 14 06 00 J1751+0939 18 27 25 55.0 555.2 0.6 11.1 113 235 14 06 00 14 10 00 =1749+096 18 31 26 54.8 556.9 0.7 12.3 240 250 14 06 01 14 12 00 J1751+0939 18 33 26 54.7 557.7 0.7 12.9 113 250 14 12 00 14 15 00 =1749+096 18 36 27 54.5 559.0 0.7 13.8 180 262 14 12 01 14 17 00 J1751+0939 18 38 27 54.4 559.8 0.8 14.4 113 262 14 17 00 14 30 00 =1749+096 18 51 29 53.5 565.1 1.0 18.1 780 312 14 17 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess315.L512 Matching groups in /home/guest/rmc/SCHED/sched11.4/catalogs/freq_RDBE.dat: kvzr_l passed by Alexey Melnikov, Mar2014 Setup group: 3 Station: ZELENCHK Total bit rate: 512 Format: MARK5B Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 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= 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 BBC fr= 374.49 374.49 374.49 374.49 390.49 390.49 390.49 390.49 406.49 406.49 406.49 406.49 422.49 422.49 422.49 422.49 Bandwd= 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 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) 3C345 16 41 17.606228 * 16 42 58.809966 16 43 29.392560 0.76 * J1642+3948 39 54 10.81496 * 39 48 36.99402 39 47 16.25032 0.52 1641+399 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J1642+39 GSFC 2015a astro solution, unpublished 53430 observations. 1749+096 17 49 10.387931 * 17 51 32.818574 17 52 17.116205 0.00 * J1751+0939 09 39 42.82591 * 09 39 00.72847 09 39 08.79451 0.00 J1751+09 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 144578 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 J1642+3948 sess315.L512 1 2 3 4 5 6 7 8 11 12 13 14 + 0.983 89.483 J1751+0939 sess315.L512 1 2 3 4 5 6 7 8 11 12 13 14 + 1.283 127.351 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) J1642+3948 67.2 J1751+0939 70.0 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