COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: Network Monitoring Experiment Exp. Code: N18C1 Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Ross Burns Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596507 EMAIL: burns@jive.eu Fax: Phone during observation: +31-521-596507 Observing mode: Notes: 6cm NME and ftp fringe test for session 1/2018 (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 28th Feb 2017 involving antennas: Jb2, Wb, Ef, Mc, Nt, On85, T6, Ur, Tr, Ys, Sv, Zc, Bd, Hh, Ir, Km The NME uses a standard setup with 512 Mbps. The schedule consists of: - long integrations on calibrators J0319+4130 and J0237+2848 for ftp-fringe tests; The following ftp-fringe tests are scheduled throughout the experiment: 13:15:00 (scan 2, 2 sec, J0319+4130 (AKA 3C84)) 13:45:00 (scan 6, 2 sec, J0319+4130) 14:15:00 (scan 9, 2 sec, J0237+2848) 14:45:00 (scan 13, 2 sec, J0237+2848) 15:15:00 (scan 16, 2 sec, J0319+4130) 15:45:00 (scan 20, 2 sec, J0319+4130) Good luck with the session! Ross Skype account: jive.support.scientist Schedule for URUMQI (Code Ur ) 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 ---------------------------------------------------------------------------------------- --- Mon 5 Mar 2018 Day 64 --- 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: 346.49 346.49 346.49 346.49 362.49 362.49 362.49 362.49 378.49 378.49 378.49 378.49 394.49 394.49 394.49 394.49 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 13 00 00 J0319+4130 05 41 38 64.2 278.0 2.3 73.9 0 0 13 00 00 13 10 00 =3C84 05 51 39 62.4 279.2 2.5 73.3 600 38 13 00 01 13 12 00 J0319+4130 05 53 40 62.1 279.5 2.5 73.1 118 38 13 12 00 13 17 00 =3C84 05 58 40 61.2 280.0 2.6 72.8 300 58 13 12 01 13 18 00 J0319+4130 05 59 41 61.0 280.1 2.6 72.7 58 58 13 18 00 13 25 00 =3C84 06 06 42 59.7 280.9 2.8 72.3 420 85 13 18 01 13 26 00 J0319+4130 06 07 42 59.5 281.1 2.8 72.2 58 85 13 26 00 13 33 00 =3C84 06 14 43 58.3 281.8 2.9 71.7 420 112 13 26 01 13 34 00 J0319+4130 06 15 43 58.1 282.0 2.9 71.6 58 112 13 34 00 13 41 00 =3C84 06 22 44 56.9 282.7 3.0 71.1 420 138 13 34 01 13 43 00 J0319+4130 06 24 45 56.5 283.0 3.1 71.0 118 138 13 43 00 13 47 00 =3C84 06 28 45 55.8 283.4 3.1 70.7 240 154 13 43 01 13 50 00 J0319+4130 06 31 46 55.3 283.7 3.2 70.5 178 154 13 50 00 14 00 00 =3C84 06 41 48 53.5 284.8 3.3 69.7 600 192 13 50 01 14 02 30 J0237+2848 06 44 18 39.6 274.6 4.1 55.7 120 192 14 02 30 14 10 00 =0234+285 06 51 49 38.2 275.8 4.2 55.5 450 221 14 02 31 14 12 00 J0237+2848 06 53 50 37.8 276.1 4.2 55.5 118 221 14 12 00 14 17 00 =0234+285 06 58 50 36.9 276.9 4.3 55.4 300 240 14 12 01 14 18 00 J0237+2848 06 59 51 36.8 277.0 4.3 55.3 58 240 14 18 00 14 25 00 =0234+285 07 06 52 35.5 278.1 4.5 55.1 420 267 14 18 01 14 26 00 J0237+2848 07 07 52 35.3 278.3 4.5 55.1 58 267 14 26 00 14 33 00 =0234+285 07 14 53 34.1 279.3 4.6 54.9 420 294 14 26 01 14 34 00 J0237+2848 07 15 53 33.9 279.5 4.6 54.8 58 294 14 34 00 14 41 00 =0234+285 07 22 54 32.6 280.6 4.7 54.6 420 321 14 34 01 14 43 00 J0237+2848 07 24 55 32.3 280.9 4.8 54.5 118 321 14 43 00 14 47 00 =0234+285 07 28 55 31.6 281.5 4.8 54.3 240 337 14 43 01 Schedule for URUMQI (Code Ur ) 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 ---------------------------------------------------------------------------------------- --- Mon 5 Mar 2018 Day 64 --- 14 50 00 J0237+2848 07 31 56 31.0 281.9 4.9 54.2 178 337 14 50 00 15 00 00 =0234+285 07 41 57 29.2 283.4 5.1 53.7 600 375 14 50 01 15 04 00 J0319+4130 07 45 58 42.5 291.8 4.4 64.2 209 375 15 04 00 15 10 00 =3C84 07 51 59 41.5 292.5 4.5 63.7 360 398 15 04 01 15 12 00 J0319+4130 07 53 59 41.1 292.7 4.6 63.5 118 398 15 12 00 15 17 00 =3C84 07 59 00 40.3 293.3 4.6 63.0 300 417 15 12 01 15 18 00 J0319+4130 08 00 00 40.1 293.4 4.7 62.9 58 417 15 18 00 15 25 00 =3C84 08 07 02 39.0 294.2 4.8 62.3 420 444 15 18 01 15 26 00 J0319+4130 08 08 02 38.8 294.3 4.8 62.2 58 444 15 26 00 15 33 00 =3C84 08 15 03 37.6 295.1 4.9 61.5 420 471 15 26 01 15 34 00 J0319+4130 08 16 03 37.5 295.2 4.9 61.4 58 471 15 34 00 15 41 00 =3C84 08 23 04 36.3 296.0 5.0 60.7 420 498 15 34 01 15 43 00 J0319+4130 08 25 04 36.0 296.2 5.1 60.5 118 498 15 43 00 15 47 00 =3C84 08 29 05 35.3 296.7 5.1 60.1 240 513 15 43 01 15 50 00 J0319+4130 08 32 06 34.9 297.0 5.2 59.8 178 513 15 50 00 16 00 00 =3C84 08 42 07 33.2 298.2 5.4 58.8 600 552 15 50 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess118.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: 14 Station: URUMQI Total bit rate: 512 Format: MARK5B 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= 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 4620.00 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 = A2 C1 A2 C1 A2 C1 A2 C1 B2 D1 B2 D1 B2 D1 B2 D1 The following frequency sets based on these setups were used. Frequency Set: 8 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= 346.49 346.49 346.49 346.49 362.49 362.49 362.49 362.49 378.49 378.49 378.49 378.49 394.49 394.49 394.49 394.49 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 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) 0234+285 02 34 55.589590 * 02 37 52.405677 02 38 55.340534 0.00 * J0237+2848 28 35 11.40776 * 28 48 08.99001 28 52 43.07865 0.00 J0237+28 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 54650 observations. 3C84 03 16 29.567263 * 03 19 48.160094 03 20 59.169032 1.30 * J0319+4130 41 19 51.91701 * 41 30 42.10413 41 34 34.03512 2.69 0316+413 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J0319+41 GSFC 2015a astro solution, unpublished 10208 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 J0237+2848 sess118.C512nme 1 2 3 4 5 6 7 8 9 10 11 13 + 0.792 98.192 J0319+4130 sess118.C512nme 1 2 3 4 5 6 7 8 9 10 11 13 + 1.600 194.933 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) J0237+2848 62.1 J0319+4130 75.1 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