COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: Ar fringe test (LG) Exp. Code: FT038 Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: campbell Address: JIVE Phone: 0521-596-534 EMAIL: campbell@jive.eu Fax: Phone during observation: Observing mode: Notes: 2 modes: everyone at 32MH channels & mixed-BW = user L-band Gbps Ar same in both modes Schedule for WSTRBORK (Code Wb ) Page 2 Ar fringe test (LG) 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 20 Feb 2020 Day 51 --- Next scan frequencies: 1626.50 1626.50 1626.50 1626.50 1690.50 1690.50 1690.50 1690.50 Next BBC frequencies: 379.50 379.50 379.50 379.50 443.50 443.50 443.50 443.50 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 08 00 00 J1436+2321 18 25 18 38.1 258.1 3.8 0.0 0 0 08 00 00 08 10 00 =1434+235 18 35 20 36.6 260.3 4.0 0.0 600 77 08 00 01 08 11 00 J1436+2321 18 36 20 36.5 260.6 4.0 0.0 49 77 08 11 00 08 15 00 =1434+235 18 40 21 35.9 261.4 4.0 0.0 240 108 08 11 01 08 20 00 J1436+2321 18 45 22 35.1 262.5 4.1 0.0 289 108 08 20 00 08 27 00 =1434+235 18 52 23 34.1 264.0 4.2 0.0 420 162 08 20 01 Next scan frequencies: 1610.50 1610.50 1610.50 1610.50 1642.50 1642.50 1642.50 1642.50 1674.50 1674.50 1674.50 1674.50 1706.50 1706.50 1706.50 1706.50 Next BBC frequencies: 363.50 363.50 363.50 363.50 395.50 395.50 395.50 395.50 427.50 427.50 427.50 427.50 459.50 459.50 459.50 459.50 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 08 30 00 J1436+2321 18 55 23 33.6 264.6 4.3 0.0 169 162 08 30 00 08 34 00 =1434+235 18 59 24 33.0 265.5 4.4 0.0 240 193 08 30 25 Next scan frequencies: 1626.50 1626.50 1626.50 1626.50 1690.50 1690.50 1690.50 1690.50 Next BBC frequencies: 379.50 379.50 379.50 379.50 443.50 443.50 443.50 443.50 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 08 35 00 J1436+2321 19 00 24 32.9 265.7 4.4 0.0 49 193 08 35 00 08 39 00 =1434+235 19 04 25 32.3 266.5 4.4 0.0 240 224 08 35 25 08 44 00 J1436+2321 19 09 26 31.5 267.5 4.5 0.0 289 224 08 44 00 08 51 00 =1434+235 19 16 27 30.5 268.9 4.6 0.0 420 278 08 44 01 Next scan frequencies: 1610.50 1610.50 1610.50 1610.50 1642.50 1642.50 1642.50 1642.50 1674.50 1674.50 1674.50 1674.50 1706.50 1706.50 1706.50 1706.50 Next BBC frequencies: 363.50 363.50 363.50 363.50 395.50 395.50 395.50 395.50 427.50 427.50 427.50 427.50 459.50 459.50 459.50 459.50 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 08 54 00 J1436+2321 19 19 27 30.0 269.5 4.7 0.0 169 278 08 54 00 08 58 00 =1434+235 19 23 28 29.4 270.3 4.8 0.0 240 309 08 54 25 Schedule for WSTRBORK (Code Wb ) Page 3 Ar fringe test (LG) 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 20 Feb 2020 Day 51 --- Next scan frequencies: 1626.50 1626.50 1626.50 1626.50 1690.50 1690.50 1690.50 1690.50 Next BBC frequencies: 379.50 379.50 379.50 379.50 443.50 443.50 443.50 443.50 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 08 59 00 J1436+2321 19 24 28 29.3 270.5 4.8 0.0 49 309 08 59 00 09 03 00 =1434+235 19 28 29 28.7 271.3 4.8 0.0 240 340 08 59 25 09 08 00 J1436+2321 19 33 30 27.9 272.3 4.9 0.0 289 340 09 08 00 09 15 00 =1434+235 19 40 31 26.8 273.7 5.0 0.0 420 394 09 08 01 Next scan frequencies: 1610.50 1610.50 1610.50 1610.50 1642.50 1642.50 1642.50 1642.50 1674.50 1674.50 1674.50 1674.50 1706.50 1706.50 1706.50 1706.50 Next BBC frequencies: 363.50 363.50 363.50 363.50 395.50 395.50 395.50 395.50 427.50 427.50 427.50 427.50 459.50 459.50 459.50 459.50 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 09 18 00 J1436+2321 19 43 31 26.4 274.3 5.1 0.0 169 394 09 18 00 09 22 00 =1434+235 19 47 32 25.8 275.1 5.2 0.0 240 425 09 18 25 Next scan frequencies: 1626.50 1626.50 1626.50 1626.50 1690.50 1690.50 1690.50 1690.50 Next BBC frequencies: 379.50 379.50 379.50 379.50 443.50 443.50 443.50 443.50 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 09 23 00 J1436+2321 19 48 32 25.6 275.2 5.2 0.0 49 425 09 23 00 09 27 00 =1434+235 19 52 33 25.0 276.0 5.2 0.0 240 456 09 23 25 09 32 00 J1436+2321 19 57 34 24.3 277.0 5.3 0.0 289 456 09 32 00 09 39 00 =1434+235 20 04 35 23.2 278.3 5.4 0.0 420 510 09 32 01 Next scan frequencies: 1610.50 1610.50 1610.50 1610.50 1642.50 1642.50 1642.50 1642.50 1674.50 1674.50 1674.50 1674.50 1706.50 1706.50 1706.50 1706.50 Next BBC frequencies: 363.50 363.50 363.50 363.50 395.50 395.50 395.50 395.50 427.50 427.50 427.50 427.50 459.50 459.50 459.50 459.50 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 09 42 00 J1436+2321 20 07 35 22.8 278.9 5.5 0.0 169 510 09 42 00 09 46 00 =1434+235 20 11 36 22.2 279.7 5.6 0.0 240 541 09 42 25 09 47 00 J1436+2321 20 12 36 22.0 279.8 5.6 0.0 49 541 09 47 00 09 51 00 =1434+235 20 16 37 21.4 280.6 5.7 0.0 240 572 09 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.L1024ar32 --- 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: 6 Station: WSTRBORK 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= 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 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 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 1 Setup file default. Used with PCAL = off LO sum= 1626.50 1626.50 1626.50 1626.50 1690.50 1690.50 1690.50 1690.50 BBC fr= 379.50 379.50 379.50 379.50 443.50 443.50 443.50 443.50 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 1 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off ======== Setup file: sess120.L1024ar --- 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: 2 Station: WSTRBORK 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= 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 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 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: 5 Setup file default. Used with PCAL = off LO sum= 1610.50 1610.50 1610.50 1610.50 1642.50 1642.50 1642.50 1642.50 1674.50 1674.50 1674.50 1674.50 1706.50 1706.50 1706.50 1706.50 BBC fr= 363.50 363.50 363.50 363.50 395.50 395.50 395.50 395.50 427.50 427.50 427.50 427.50 459.50 459.50 459.50 459.50 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: 5 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) 1434+235 14 34 25.406175 * 14 36 40.981090 14 37 35.153111 0.06 * J1436+2321 23 34 03.14330 * 23 21 03.25988 23 15 42.25287 0.10 J1436+23 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 272 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 J1436+2321 sess120.L1024ar 5 6 7 8 0.333 2.000 sess120.L1024ar32 1 2 3 4 0.900 5.050 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) J1436+2321 116.1 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