COVER INFORMATION Station: HART (Code Hh ) Experiment: Network Monitoring Experiment Exp. Code: N20K2 Schedule Version: 3.00 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 2/2020 1024 Mbps, L+R, 2-bit sampling, 8x 32 MHz filters; and 4Gbps 32x 32MHz filters (no Ur,QUASARs, limited to 2Gbps via 5B) Please DO NOT use the phase cal signal. COVER LETTER: This is the schedule for the 1.3 cm K-band fringe test on 3rd June 2020 involving 18 telescopes: Jb2 Ef Mc Nt On60 T6 Ur Tr Ys Hh Sv Zc Bd Sr Mh Kt Ky Ku 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: ** 1Gbps mode 12:18:00 J0854+2006 12:38:00 J0854+2006 12:58:00 J0854+2006 13:18:00 J0854+2006 13:38:00 J0854+2006 13:58:00 J1058+0133 ** 4Gbps mode 14:18:00 J1058+0133 14:38:00 J1058+0133 14:58:00 J1159+2914 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 ---------------------------------------------------------------------------------------- --- Wed 3 Jun 2020 Day 155 --- Next scan frequencies: 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 Next BBC frequencies: 723.49 723.49 723.49 723.49 787.49 787.49 787.49 787.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 12 00 00 J0854+2006 06 40 22 33.5 38.9 -2.3 0.0 0 0 12 00 00 12 05 00 =OJ287 06 45 22 34.2 37.8 -2.2 0.0 300 39 12 00 01 12 07 00 J0854+2006 06 47 23 34.5 37.3 -2.1 0.0 99 39 12 07 00 12 20 00 =OJ287 07 00 25 36.2 34.2 -1.9 0.0 780 139 12 07 01 12 22 45 J0854+2006 07 03 10 36.5 33.5 -1.9 0.0 144 139 12 22 45 12 25 00 =OJ287 07 05 26 36.8 33.0 -1.8 0.0 135 157 12 22 46 12 27 00 J0854+2006 07 07 26 37.1 32.5 -1.8 0.0 99 157 12 27 00 12 40 00 =OJ287 07 20 28 38.6 29.1 -1.6 0.0 780 257 12 27 01 12 42 45 J0854+2006 07 23 14 38.9 28.4 -1.5 0.0 144 257 12 42 45 12 45 00 =OJ287 07 25 29 39.1 27.7 -1.5 0.0 135 274 12 42 46 12 47 00 J0854+2006 07 27 29 39.3 27.2 -1.5 0.0 99 274 12 47 00 13 00 00 =OJ287 07 40 31 40.6 23.6 -1.3 0.0 780 375 12 47 01 13 02 00 J0854+2006 07 42 32 40.7 23.0 -1.2 0.0 99 375 13 02 00 13 05 00 =OJ287 07 45 32 41.0 22.1 -1.2 0.0 180 398 13 02 01 13 07 00 J0854+2006 07 47 33 41.2 21.5 -1.1 0.0 99 398 13 07 00 13 20 00 =OJ287 08 00 35 42.2 17.6 -0.9 0.0 780 499 13 07 01 13 22 05 J0854+2006 08 02 40 42.3 17.0 -0.9 0.0 104 499 13 22 05 13 25 00 =OJ287 08 05 35 42.5 16.1 -0.8 0.0 175 521 13 22 06 13 27 00 J0854+2006 08 07 36 42.6 15.5 -0.8 0.0 99 521 13 27 00 13 40 00 =OJ287 08 20 38 43.3 11.4 -0.6 0.0 780 622 13 27 01 13 42 00 J1058+0133 08 22 38 43.3 60.3 -2.6 0.0 32 622 13 42 00 13 45 00 =1055+018 08 25 39 43.9 59.6 -2.6 0.0 180 645 13 42 01 13 47 00 J1058+0133 08 27 39 44.3 59.2 -2.5 0.0 99 645 13 47 00 14 00 00 =1055+018 08 40 41 46.7 56.2 -2.3 0.0 780 745 13 47 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 ---------------------------------------------------------------------------------------- --- Wed 3 Jun 2020 Day 155 --- Next scan frequencies: 22024.49 22024.49 22024.49 22024.49 22088.49 22088.49 22088.49 22088.49 22152.49 22152.49 22152.49 22152.49 22216.49 22216.49 22216.49 22216.49 22280.49 22280.49 22280.49 22280.49 22344.49 22344.49 22344.49 22344.49 22408.49 22408.49 22408.49 22408.49 22472.49 22472.49 22472.49 22472.49 Next BBC frequencies: 544.49 544.49 544.49 544.49 608.49 608.49 608.49 608.49 672.49 672.49 672.49 672.49 736.49 736.49 736.49 736.49 800.49 800.49 800.49 800.49 864.49 864.49 864.49 864.49 928.49 928.49 928.49 928.49 992.49 992.49 992.49 992.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 14 04 00 J1058+0133 08 44 42 47.5 55.2 -2.2 0.0 219 745 14 04 00 14 08 00 =1055+018 08 48 43 48.2 54.2 -2.2 0.0 240 869 14 04 25 14 10 00 J1058+0133 08 50 43 48.6 53.6 -2.1 0.0 99 869 14 10 00 14 20 00 =1055+018 09 00 45 50.4 50.9 -2.0 0.0 600 1178 14 10 01 14 25 00 J1058+0133 09 05 45 51.2 49.5 -1.9 0.0 279 1178 14 25 00 14 29 00 =1055+018 09 09 46 51.9 48.3 -1.8 0.0 240 1302 14 25 01 14 30 00 J1058+0133 09 10 46 52.1 48.0 -1.8 0.0 39 1302 14 30 00 14 40 00 =1055+018 09 20 48 53.7 44.9 -1.6 0.0 600 1611 14 30 01 14 45 00 J1159+2914 09 25 49 23.6 36.6 -2.6 0.0 218 1611 14 45 00 14 49 00 =1156+295 09 29 49 24.2 35.8 -2.5 0.0 240 1735 14 45 01 14 50 00 J1159+2914 09 30 49 24.3 35.6 -2.5 0.0 39 1735 14 50 00 15 00 00 =1156+295 09 40 51 25.6 33.7 -2.3 0.0 600 2044 14 50 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess220.K1024_32 --- 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: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 5 Setup file default. Used with PCAL = off LO sum= 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 BBC fr= 723.49 723.49 723.49 723.49 787.49 787.49 787.49 787.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 5 10 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off ======== Setup file: sess220.K4096 --- 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: 22 Station: HART Total bit rate: 4096 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 32 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 Net SB= L L U U L L U U L L U U L L U U 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 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 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 5 13 5 13 6 14 6 14 7 15 7 15 8 16 8 16 BBC SB= L L U U L L U U L L U U L L U U 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 B1 C1 B1 C1 B1 C1 B1 C1 B1 C1 B1 C1 B1 C1 B1 C1 The following frequency sets based on these setups were used. Frequency Set: 25 Setup file default. Used with PCAL = off LO sum= 22024.49 22024.49 22024.49 22024.49 22088.49 22088.49 22088.49 22088.49 22152.49 22152.49 22152.49 22152.49 22216.49 22216.49 22216.49 22216.49 22280.49 22280.49 22280.49 22280.49 22344.49 22344.49 22344.49 22344.49 22408.49 22408.49 22408.49 22408.49 22472.49 22472.49 22472.49 22472.49 BBC fr= 544.49 544.49 544.49 544.49 608.49 608.49 608.49 608.49 672.49 672.49 672.49 672.49 736.49 736.49 736.49 736.49 800.49 800.49 800.49 800.49 864.49 864.49 864.49 864.49 928.49 928.49 928.49 928.49 992.49 992.49 992.49 992.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 25 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) OJ287 08 51 57.250615 * 08 54 48.874927 08 55 56.903688 0.00 * J0854+2006 20 17 58.41740 * 20 06 30.64085 20 01 55.55644 0.00 0851+202 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc J0854+20 GSFC 2016a X/S astro solution, 270807 observations. 1055+018 10 55 55.313730 * 10 58 29.605208 10 59 31.494439 0.01 * J1058+0133 01 50 03.53722 * 01 33 58.82372 01 27 28.95931 0.01 J1058+01 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 8263 observations. 1156+295 11 56 57.786211 * 11 59 31.833912 12 00 33.925009 0.00 * J1159+2914 29 31 25.73880 * 29 14 43.82690 29 08 09.08010 0.00 J1159+29 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 78215 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 J0854+2006 sess220.K1024_32 1 2 3 4 5 6 7 8 9 11 16 1.340 205.063 J1058+0133 sess220.K1024_32 1 2 3 4 5 6 7 8 9 11 16 0.267 40.606 sess220.K4096 19 20 21 22 23 24 25 28 0.467 30.800 J1159+2914 sess220.K4096 19 20 21 22 23 24 25 28 0.233 15.400 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) J0854+2006 57.4 J1058+0133 92.1 J1159+2914 93.7 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