COVER INFORMATION Station: HART (Code Hh ) Experiment: Network Monitoring Experiment Exp. Code: N20K1 Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Dhanya G.Nair Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596508 EMAIL: nair@jive.eu Fax: Phone during observation: +31-521-596508 Observing mode: Notes: 1.3 cm (K-band) ftp fringe test for session 1/2020 (1024 Mbps, L+R, 2-bit sampling, 16 x 16 MHz filters) Please send the disk pack by express to JIVE, NO PCAL Please DO NOT use the phase cal signal. COVER LETTER: This is the schedule for the 1.3 cm K-band fringe test on 2nd March 2020 involving 20 telescopes: Jb2 Ef On60 T6 Ur Tr Ys Hh Sv Zc Bd Sr Mh Kt Ky Ku Cm Da Kn Pi With 4 sec integration time The FTP-NME uses a standard setup at 1024 Mbps: The schedule consists of long integrations on strong calibrators: Ftp-fringe tests are scheduled every 20 min throughout the experiment: 10:18:00 J0205+3212 10:38:00 J0205+3212 10:58:00 J0205+3212 11:18:00 J0238+1636 11:38:00 J0238+1636 11:58:00 0234+285 12:18:00 0234+285 12:38:00 0234+285 12:58:00 0234+285 Clear skies! Dhanya G.Nair Skype account: jive.support.scientist Mattermost: coms.evlbi.org Schedule for HART (Code Hh ) 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 2 Mar 2020 Day 62 --- Next scan frequencies: 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 Next BBC frequencies: 187.49 187.49 187.49 187.49 219.49 219.49 219.49 219.49 251.49 251.49 251.49 251.49 283.49 283.49 283.49 283.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 10 00 00 J0205+3212 22 33 22 12.8 44.0 -3.5 0.0 0 0 10 00 00 10 05 00 =0202+319 22 38 23 13.6 43.2 -3.5 0.0 300 39 10 00 01 10 07 00 J0205+3212 22 40 23 13.9 42.9 -3.4 0.0 99 39 10 07 00 10 20 00 =0202+319 22 53 25 15.9 40.9 -3.2 0.0 780 139 10 07 01 10 22 45 J0205+3212 22 56 11 16.3 40.5 -3.2 0.0 144 139 10 22 45 10 25 00 =0202+319 22 58 26 16.6 40.1 -3.1 0.0 135 157 10 22 46 10 27 00 J0205+3212 23 00 27 16.9 39.8 -3.1 0.0 99 157 10 27 00 10 40 00 =0202+319 23 13 29 18.7 37.6 -2.9 0.0 780 257 10 27 01 10 42 45 J0205+3212 23 16 14 19.1 37.2 -2.8 0.0 144 257 10 42 45 10 45 00 =0202+319 23 18 30 19.4 36.8 -2.8 0.0 135 274 10 42 46 10 47 00 J0205+3212 23 20 30 19.7 36.4 -2.8 0.0 99 274 10 47 00 11 00 00 =0202+319 23 33 32 21.4 34.1 -2.5 0.0 780 375 10 47 01 11 02 00 J0205+3212 23 35 32 21.6 33.8 -2.5 0.0 99 375 11 02 00 11 05 00 =0202+319 23 38 33 22.0 33.2 -2.5 0.0 180 398 11 02 01 11 07 00 J0238+1636 23 40 33 29.1 50.6 -3.0 0.0 62 398 11 07 00 11 20 00 =0235+164 23 53 35 31.3 48.0 -2.8 0.0 780 499 11 07 01 11 22 05 J0238+1636 23 55 41 31.6 47.6 -2.7 0.0 104 499 11 22 05 11 25 00 =0235+164 23 58 36 32.1 47.0 -2.7 0.0 175 521 11 22 06 11 27 00 J0238+1636 00 00 36 32.5 46.6 -2.7 0.0 99 521 11 27 00 11 40 00 =0235+164 00 13 39 34.5 43.8 -2.4 0.0 780 622 11 27 01 11 42 00 J0238+1636 00 15 39 34.9 43.3 -2.4 0.0 99 622 11 42 00 11 45 00 =0235+164 00 18 39 35.3 42.7 -2.4 0.0 180 645 11 42 01 11 47 00 0234+285 00 20 40 25.9 33.6 -2.3 0.0 69 645 11 47 00 12 00 00 --- 00 33 42 27.5 30.9 -2.1 0.0 780 745 11 47 01 12 02 00 0234+285 00 35 42 27.7 30.5 -2.1 0.0 99 745 12 02 00 12 05 00 --- 00 38 43 28.1 29.8 -2.0 0.0 180 768 12 02 01 Schedule for HART (Code Hh ) 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 2 Mar 2020 Day 62 --- 12 07 00 0234+285 00 40 43 28.3 29.4 -2.0 0.0 99 768 12 07 00 12 20 00 --- 00 53 45 29.7 26.5 -1.8 0.0 780 869 12 07 01 12 22 00 0234+285 00 55 46 29.9 26.1 -1.7 0.0 99 869 12 22 00 12 25 00 --- 00 58 46 30.2 25.4 -1.7 0.0 180 892 12 22 01 12 27 00 0234+285 01 00 46 30.4 25.0 -1.6 0.0 99 892 12 27 00 12 40 00 --- 01 13 48 31.5 21.9 -1.4 0.0 780 993 12 27 01 12 42 00 0234+285 01 15 49 31.7 21.4 -1.4 0.0 99 993 12 42 00 12 45 00 --- 01 18 49 31.9 20.7 -1.3 0.0 180 1016 12 42 01 12 47 00 0234+285 01 20 50 32.1 20.2 -1.3 0.0 99 1016 12 47 00 13 00 00 --- 01 33 52 33.0 17.0 -1.1 0.0 780 1116 12 47 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess120.K1024 --- 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: 7 Station: HART Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 22000.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 8 Setup file default. Used with PCAL = off LO sum= 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 BBC fr= 187.49 187.49 187.49 187.49 219.49 219.49 219.49 219.49 251.49 251.49 251.49 251.49 283.49 283.49 283.49 283.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 8 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) 0202+319 02 02 09.652800 * 02 05 04.925362 02 06 13.714633 0.00 * J0205+3212 31 58 10.39522 * 32 12 30.09544 32 18 10.65415 0.00 J0205+32 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 49141 observations. * 0234+285 02 34 55.589590 * 02 37 52.405677 02 39 01.986830 0.00 J0237+2848 28 35 11.40773 * 28 48 08.98999 28 53 16.22933 0.00 J0237+28 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 58420 observations. 0235+164 02 35 52.630214 * 02 38 38.930106 02 39 44.342468 0.12 * J0238+1636 16 24 04.01612 * 16 36 59.27454 16 42 01.81891 0.16 J0238+16 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 64441 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 J0205+3212 sess120.K1024 1 2 3 4 5 6 7 8 9 12 13 14 + 0.858 163.083 0234+285 sess120.K1024 1 2 3 4 5 6 7 8 9 12 13 14 + 1.017 193.167 J0238+1636 sess120.K1024 1 2 3 4 5 6 7 8 9 12 13 14 + 0.532 98.126 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) J0205+3212 60.1 0234+285 64.7 J0238+1636 60.4 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