COVER INFORMATION Station: DARNHALL (Code Da ) Experiment: Network Monitoring Experiment Exp. Code: N17C2 Schedule Version: 2.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Benito Marcote Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596508 EMAIL: marcote@jive.eu Fax: Phone during observation: +31-521-596508 Observing mode: Notes: 6cm NME and ftp fringe test for session 2/2017 (512 Mbps, L+R, 2-bit sampling, 2 MHz filters) Please send the disk pack by express to JIVE COVER LETTER: This is the schedule for the 6cm NME and ftp fringe-test on 7th Jun 2017 involving antennas: Jb2, Wb, Ef, Mc, Nt, On85, T6, Ur, Tr, Ys, Sv, Zc, Bd, Hh, Ir The NME uses a standard setup with 512 Mbps. The schedule consists of: - long integrations on calibrators J0927+3902 and J0815+3635 for ftp-fringe tests; The following ftp-fringe tests are scheduled throughout the experiment: 12:15:00 (scan 2, 2 sec, J0927+3902 (AKA 3C84)) 12:45:00 (scan 6, 2 sec, J0927+3902) 13:15:00 (scan 10, 2 sec, J0815+3635) 13:45:00 (scan 14, 2 sec, J0815+3635) 14:15:00 (scan 18, 2 sec, J0927+3902) 14:45:00 (scan 22, 2 sec, J0927+3902) Good luck with the session! Benito Marcote Skype account: jive.support.scientist Schedule for DARNHALL (Code Da ) 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 ---------------------------------------------------------------------------------------- --- Wed 7 Jun 2017 Day 158 --- Next scan frequencies: 4966.49 4966.49 4966.49 4966.49 4982.49 4982.49 4982.49 4982.49 4998.49 4998.49 4998.49 4998.49 5014.49 5014.49 5014.49 5014.49 Next BBC frequencies: 266.49 266.49 266.49 266.49 282.49 282.49 282.49 282.49 298.49 298.49 298.49 298.49 314.49 314.49 314.49 314.49 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 12 00 00 J0927+3902 04 54 10 42.4 78.4 -4.6 -49.1 0 0 12 00 00 12 10 00 =4C39.25 05 04 12 43.9 80.1 -4.4 -49.4 600 39 12 00 01 12 12 00 J0927+3902 05 06 12 44.2 80.5 -4.4 -49.5 115 39 12 12 00 12 17 00 =4C39.25 05 11 13 44.9 81.4 -4.3 -49.7 300 58 12 12 01 12 20 00 J0927+3902 05 14 13 45.4 81.9 -4.2 -49.8 175 58 12 20 00 12 24 40 =4C39.25 05 18 54 46.1 82.7 -4.2 -49.9 280 76 12 20 01 12 27 40 J0927+3902 05 21 55 46.5 83.3 -4.1 -50.0 175 76 12 27 40 12 32 20 =4C39.25 05 26 35 47.2 84.1 -4.0 -50.1 280 94 12 27 41 12 35 20 J0927+3902 05 29 36 47.6 84.7 -4.0 -50.2 175 94 12 35 20 12 40 00 =4C39.25 05 34 17 48.3 85.6 -3.9 -50.3 280 112 12 35 21 12 42 00 J0927+3902 05 36 17 48.6 85.9 -3.9 -50.3 115 112 12 42 00 12 47 00 =4C39.25 05 41 18 49.4 86.9 -3.8 -50.4 300 131 12 42 01 12 50 00 J0927+3902 05 44 18 49.8 87.5 -3.7 -50.4 175 131 12 50 00 12 54 40 =4C39.25 05 48 59 50.5 88.4 -3.7 -50.4 280 149 12 50 01 12 57 40 J0815+3635 05 51 59 59.9 108.9 -2.4 -44.9 97 149 12 57 40 13 02 20 =0812+367 05 56 40 60.6 110.3 -2.3 -44.4 280 167 12 57 41 13 05 20 J0815+3635 05 59 41 61.0 111.2 -2.3 -44.1 174 167 13 05 20 13 10 00 =0812+367 06 04 22 61.7 112.6 -2.2 -43.6 280 185 13 05 21 13 12 00 J0815+3635 06 06 22 62.0 113.2 -2.2 -43.3 114 185 13 12 00 13 17 00 =0812+367 06 11 23 62.6 114.8 -2.1 -42.7 300 205 13 12 01 13 20 00 J0815+3635 06 14 23 63.0 115.7 -2.0 -42.2 173 205 13 20 00 13 24 40 =0812+367 06 19 04 63.7 117.3 -2.0 -41.5 280 223 13 20 01 13 27 40 J0815+3635 06 22 04 64.1 118.3 -1.9 -41.1 173 223 13 27 40 13 32 20 =0812+367 06 26 45 64.7 120.0 -1.8 -40.3 280 241 13 27 41 13 35 20 J0815+3635 06 29 46 65.1 121.1 -1.8 -39.7 173 241 13 35 20 13 40 00 =0812+367 06 34 26 65.7 122.8 -1.7 -38.8 280 259 13 35 21 Schedule for DARNHALL (Code Da ) Page 3 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 ---------------------------------------------------------------------------------------- --- Wed 7 Jun 2017 Day 158 --- 13 42 00 J0815+3635 06 36 27 65.9 123.6 -1.7 -38.4 113 259 13 42 00 13 47 00 =0812+367 06 41 28 66.5 125.6 -1.6 -37.4 300 278 13 42 01 13 50 00 J0815+3635 06 44 28 66.9 126.8 -1.5 -36.7 173 278 13 50 00 13 54 40 =0812+367 06 49 09 67.5 128.7 -1.5 -35.6 280 296 13 50 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess217.C512nme --- 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: 8 Station: DARNHALL Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 4700.00 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 3 11 3 11 5 13 5 13 7 15 7 15 BBC SB= L L U U L L U U L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 16 Setup file default. Used with PCAL = off LO sum= 4966.49 4966.49 4966.49 4966.49 4982.49 4982.49 4982.49 4982.49 4998.49 4998.49 4998.49 4998.49 5014.49 5014.49 5014.49 5014.49 BBC fr= 266.49 266.49 266.49 266.49 282.49 282.49 282.49 282.49 298.49 298.49 298.49 298.49 314.49 314.49 314.49 314.49 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: 16 17 18 19 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) 0812+367 08 12 10.710943 * 08 15 25.944861 08 16 31.710487 0.02 * J0815+3635 36 44 27.45306 * 36 35 15.14871 36 32 02.27865 0.02 J0815+36 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 2338 observations. 4C39.25 09 23 55.319215 * 09 27 03.013936 09 28 06.408320 0.30 * J0927+3902 39 15 23.56645 * 39 02 20.85186 38 57 53.87267 0.16 0923+392 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J0927+39 GSFC 2015a astro solution, unpublished 245753 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 J0815+3635 sess217.C512nme 1 2 3 4 5 6 7 8 9 10 11 14 + 0.633 129.889 J0927+3902 sess217.C512nme 1 2 3 4 5 6 7 8 9 10 11 14 + 0.644 133.778 sess217.C2048nme 22 23 24 25 26 27 28 29 31 + 0.722 52.533 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) J0815+3635 43.6 J0927+3902 57.8 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