COVER INFORMATION Station: TIANMA65 (Code T6 ) Experiment: Catching the mouse in her nest: resolving the Mini Mouse with the EVN Exp. Code: EM172A Schedule Version: 2.50 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: S.E.Motta Address: INAF - Osservatorio Astronomico di Brera Via E. Bianchi 46, I-23807 Merate Italy Phone: +39 3339445713 EMAIL: sara.motta@inaf.it Fax: Phone during observation: +39 3339445713 Observing mode: EVN, 1.7 GHz continuum Notes: Target (phase ref): PSR J1914+1054g (J1915+1142) Fringe finders: J1800+3848, J2253+1608. eMERLIN ampcal: 3C286 Check source: J1913+0932 Schedule for TIANMA65 (Code T6 ) Page 2 Catching the mouse in her nest: resolving the Mini Mouse with the EVN 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 ---------------------------------------------------------------------------------------- --- Sun 29 Oct 2023 Day 302 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 643.51 643.51 643.51 643.51 579.51 579.51 579.51 579.51 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 11 30 00 J1800+3848 22 04 43 40.4 -63.4 4.1 79.3 0 0 11 30 00 11 35 00 =1758+388 22 09 44 39.5 -63.2 4.1 78.7 300 39 11 30 01 11 37 00 J1915+1142 22 11 44 45.3 254.3 2.9 W 57.3 -520 39 11 37 00 11 39 30 --- 22 14 15 44.8 254.8 3.0 W 57.6 0 58 11 37 01 11 39 30 PSRJ1914 22 14 15 44.0 254.1 3.0 57.0 -5 58 No stop 11 43 00 --- 22 17 45 43.3 254.7 3.0 57.3 205 85 11 39 31 11 43 30 J1915+1142 22 18 15 43.9 255.5 3.0 57.9 25 85 11 43 30 11 45 30 --- 22 20 16 43.5 255.8 3.1 58.0 120 100 11 43 31 11 45 30 PSRJ1914 22 20 16 42.8 255.2 3.1 57.5 -5 100 No stop 11 49 00 --- 22 23 46 42.1 255.8 3.1 57.7 205 128 11 45 31 11 49 30 J1915+1142 22 24 16 42.7 256.6 3.1 58.3 25 128 11 49 30 11 51 30 --- 22 26 17 42.3 256.9 3.2 58.4 120 143 11 49 31 11 51 30 PSRJ1914 22 26 17 41.6 256.2 3.2 57.9 -5 143 No stop 11 55 00 --- 22 29 47 40.8 256.8 3.2 58.1 205 170 11 51 31 11 55 30 J1915+1142 22 30 17 41.4 257.6 3.2 58.7 25 170 11 55 30 11 57 30 --- 22 32 18 41.0 257.9 3.3 58.8 120 185 11 55 31 11 57 30 PSRJ1914 22 32 18 40.3 257.3 3.3 58.3 -5 185 No stop 12 01 00 --- 22 35 48 39.6 257.8 3.3 58.5 205 213 11 57 31 12 01 30 J1915+1142 22 36 18 40.2 258.6 3.3 59.0 25 213 12 01 30 12 03 30 --- 22 38 19 39.7 258.9 3.4 59.1 120 228 12 01 31 12 03 30 PSRJ1914 22 38 19 39.0 258.3 3.4 58.6 -5 228 No stop 12 07 00 --- 22 41 49 38.3 258.8 3.4 58.8 205 255 12 03 31 12 07 30 J1915+1142 22 42 19 38.9 259.6 3.4 59.3 25 255 12 07 30 12 09 30 --- 22 44 20 38.5 259.9 3.5 59.4 120 271 12 07 31 12 09 30 PSRJ1914 22 44 20 37.8 259.2 3.5 59.0 -5 271 No stop 12 13 00 --- 22 47 50 37.0 259.8 3.5 59.1 205 298 12 09 31 12 13 30 J1915+1142 22 48 20 37.6 260.5 3.5 59.6 25 298 12 13 30 12 15 30 --- 22 50 21 37.2 260.8 3.6 59.7 120 313 12 13 31 Schedule for TIANMA65 (Code T6 ) Page 3 Catching the mouse in her nest: resolving the Mini Mouse with the EVN 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 ---------------------------------------------------------------------------------------- --- Sun 29 Oct 2023 Day 302 --- 12 15 30 PSRJ1914 22 50 21 36.5 260.2 3.6 59.3 -5 313 No stop 12 19 00 --- 22 53 51 35.8 260.7 3.6 59.4 205 340 12 15 31 12 19 30 J1915+1142 22 54 21 36.4 261.5 3.6 59.9 25 340 12 19 30 12 21 30 --- 22 56 22 35.9 261.8 3.7 60.0 120 356 12 19 31 12 21 30 PSRJ1914 22 56 22 35.2 261.1 3.7 59.5 -5 356 No stop 12 25 00 --- 22 59 52 34.5 261.6 3.7 59.7 205 383 12 21 31 12 25 30 J1915+1142 23 00 22 35.1 262.4 3.7 60.1 25 383 12 25 30 12 27 30 --- 23 02 23 34.6 262.7 3.8 60.2 120 398 12 25 31 12 27 30 PSRJ1914 23 02 23 34.0 262.0 3.8 59.7 -5 398 No stop 12 31 00 --- 23 05 53 33.2 262.5 3.8 59.9 205 425 12 27 31 12 31 00 J1915+1142 23 05 53 33.9 263.2 3.8 60.3 -5 425 No stop 12 33 30 --- 23 08 24 33.4 263.5 3.9 60.4 145 444 12 31 01 12 33 30 J1913+0932 23 08 24 31.8 261.6 3.9 59.2 -8 444 No stop 12 36 00 --- 23 10 54 31.3 262.0 3.9 59.3 142 464 12 33 31 12 38 00 J1915+1142 23 12 54 32.4 264.2 3.9 60.5 112 464 12 38 00 12 40 30 --- 23 15 25 31.9 264.5 4.0 60.5 150 483 12 38 01 12 40 30 PSRJ1914 23 15 25 31.2 263.9 4.0 60.1 -5 483 No stop 12 44 00 --- 23 18 55 30.5 264.4 4.1 60.2 205 510 12 40 31 12 44 30 J1915+1142 23 19 25 31.0 265.1 4.0 60.6 25 510 12 44 30 12 46 30 --- 23 21 26 30.6 265.4 4.1 60.7 120 526 12 44 31 12 46 30 PSRJ1914 23 21 26 29.9 264.8 4.1 60.3 -5 526 No stop 12 50 00 --- 23 24 56 29.2 265.3 4.2 60.4 205 553 12 46 31 12 50 30 J1915+1142 23 25 26 29.7 265.9 4.1 60.7 25 553 12 50 30 12 52 30 --- 23 27 27 29.3 266.2 4.2 60.8 120 568 12 50 31 12 52 30 PSRJ1914 23 27 27 28.6 265.6 4.2 60.4 -5 568 No stop 12 56 00 --- 23 30 57 27.9 266.1 4.3 60.5 205 595 12 52 31 12 56 30 J1915+1142 23 31 27 28.5 266.8 4.2 60.8 25 595 12 56 30 12 58 30 --- 23 33 28 28.0 267.0 4.3 60.9 120 611 12 56 31 12 58 30 PSRJ1914 23 33 28 27.4 266.4 4.3 60.5 -5 611 No stop 13 02 00 --- 23 36 58 26.6 266.9 4.4 60.6 205 638 12 58 31 Schedule for TIANMA65 (Code T6 ) Page 4 Catching the mouse in her nest: resolving the Mini Mouse with the EVN 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 ---------------------------------------------------------------------------------------- --- Sun 29 Oct 2023 Day 302 --- 13 02 30 J1915+1142 23 37 28 27.2 267.6 4.3 60.9 25 638 13 02 30 13 04 30 --- 23 39 29 26.7 267.8 4.4 60.9 120 653 13 02 31 13 04 30 PSRJ1914 23 39 29 26.1 267.2 4.4 60.6 -5 653 No stop 13 08 00 --- 23 42 59 25.3 267.7 4.5 60.6 205 680 13 04 31 13 08 30 J1915+1142 23 43 29 25.9 268.4 4.4 61.0 25 680 13 08 30 13 10 30 --- 23 45 30 25.4 268.6 4.5 61.0 120 696 13 08 31 13 10 30 PSRJ1914 23 45 30 24.8 268.1 4.5 60.7 -5 696 No stop 13 14 00 --- 23 49 00 24.0 268.5 4.6 60.7 205 723 13 10 31 13 14 30 J1915+1142 23 49 30 24.6 269.2 4.5 61.0 25 723 13 14 30 13 16 30 --- 23 51 31 24.2 269.4 4.6 61.0 120 738 13 14 31 13 16 30 PSRJ1914 23 51 31 23.5 268.8 4.6 60.7 -5 738 No stop 13 20 00 --- 23 55 01 22.7 269.3 4.7 60.7 205 765 13 16 31 13 20 30 J1915+1142 23 55 31 23.3 270.0 4.6 61.0 25 765 13 20 30 13 22 30 --- 23 57 32 22.9 270.2 4.7 61.0 120 781 13 20 31 13 22 30 PSRJ1914 23 57 32 22.2 269.6 4.7 60.7 -5 781 No stop 13 26 00 --- 00 01 02 21.5 270.1 4.8 60.7 205 808 13 22 31 13 26 30 J1915+1142 00 01 32 22.0 270.7 4.7 61.0 25 808 13 26 30 13 28 30 --- 00 03 33 21.6 271.0 4.8 61.0 120 823 13 26 31 13 28 30 PSRJ1914 00 03 33 20.9 270.4 4.8 60.7 -5 823 No stop 13 32 00 --- 00 07 03 20.2 270.9 4.9 60.7 205 850 13 28 31 13 32 30 J1915+1142 00 07 33 20.7 271.5 4.8 61.0 25 850 13 32 30 13 34 30 --- 00 09 34 20.3 271.7 4.9 61.0 120 866 13 32 31 13 34 30 J1913+0932 00 09 34 18.8 270.0 4.9 60.3 -8 866 No stop 13 37 00 --- 00 12 04 18.3 270.3 5.0 60.3 142 885 13 34 31 13 39 00 J1915+1142 00 14 04 19.3 272.3 5.0 60.9 112 885 13 39 00 13 41 30 --- 00 16 35 18.8 272.6 5.0 60.9 150 904 13 39 01 13 41 30 PSRJ1914 00 16 35 18.1 272.1 5.0 60.7 -5 904 No stop 13 45 00 --- 00 20 05 17.4 272.5 5.1 60.6 205 931 13 41 31 13 45 30 J1915+1142 00 20 35 17.9 273.1 5.1 60.9 25 931 13 45 30 13 47 30 --- 00 22 36 17.5 273.4 5.1 60.8 120 947 13 45 31 Schedule for TIANMA65 (Code T6 ) Page 5 Catching the mouse in her nest: resolving the Mini Mouse with the EVN 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 ---------------------------------------------------------------------------------------- --- Sun 29 Oct 2023 Day 302 --- 13 47 30 PSRJ1914 00 22 36 16.8 272.8 5.1 60.6 -5 947 No stop 13 51 00 --- 00 26 06 16.1 273.3 5.2 60.6 205 974 13 47 31 13 51 30 J1915+1142 00 26 36 16.7 273.9 5.2 60.8 25 974 13 51 30 13 53 30 --- 00 28 37 16.2 274.1 5.2 60.7 120 989 13 51 31 13 53 30 PSRJ1914 00 28 37 15.6 273.6 5.2 60.5 -5 989 No stop 13 57 00 --- 00 32 07 14.8 274.0 5.3 60.5 205 1016 13 53 31 13 57 30 J1915+1142 00 32 37 15.4 274.6 5.3 60.7 25 1016 13 57 30 13 59 30 --- 00 34 38 14.9 274.9 5.3 60.6 120 1032 13 57 31 13 59 30 PSRJ1914 00 34 38 14.3 274.3 5.3 60.4 -5 1032 No stop 14 03 00 --- 00 38 08 13.5 274.8 5.4 60.4 205 1059 13 59 31 14 03 30 J1915+1142 00 38 38 14.1 275.4 5.4 60.6 25 1059 14 03 30 14 05 30 --- 00 40 39 13.7 275.6 5.4 60.5 120 1074 14 03 31 14 05 30 PSRJ1914 00 40 39 13.0 275.1 5.4 60.3 -5 1074 No stop 14 09 00 --- 00 44 09 12.2 275.5 5.5 60.2 205 1101 14 05 31 14 09 30 J1915+1142 00 44 39 12.8 276.1 5.5 60.4 25 1101 14 09 30 14 11 30 --- 00 46 40 12.4 276.4 5.5 60.4 120 1117 14 09 31 14 11 30 PSRJ1914 00 46 40 11.7 275.8 5.5 60.2 -5 1117 No stop 14 15 00 --- 00 50 10 11.0 276.3 5.6 60.1 205 1144 14 11 31 14 15 30 J1915+1142 00 50 40 11.5 276.9 5.6 60.3 25 1144 14 15 30 14 17 30 --- 00 52 41 11.1 277.1 5.6 60.2 120 1159 14 15 31 14 17 30 PSRJ1914 00 52 41 10.4 276.6 5.6 60.1 -5 1159 No stop 14 21 00 --- 00 56 11 9.7 277.0 5.7 60.0 205 1186 14 17 31 14 21 30 J1915+1142 00 56 41 10.2 277.6 5.7 60.1 25 1186 14 21 30 14 23 30 --- 00 58 42 9.8 277.9 5.7 60.0 120 1202 14 21 31 14 23 30 PSRJ1914 00 58 42 9.1 277.3 5.7 59.9 -5 1202 No stop 14 27 00 --- 01 02 12 8.4 277.8 5.8 59.8 205 1229 14 23 31 14 27 30 J1915+1142 01 02 42 9.0 278.4 5.8 59.9 25 1229 14 27 30 14 29 30 --- 01 04 43 8.5 278.6 5.8 59.9 120 1244 14 27 31 14 29 30 PSRJ1914 01 04 43 7.9 278.1 5.8 59.7 -5 1244 No stop 14 33 00 --- 01 08 13 7.1 278.5 5.9 59.6 205 1271 14 29 31 Schedule for TIANMA65 (Code T6 ) Page 6 Catching the mouse in her nest: resolving the Mini Mouse with the EVN 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 ---------------------------------------------------------------------------------------- --- Sun 29 Oct 2023 Day 302 --- 14 33 30 J1915+1142 01 08 43 7.7 279.1 5.9 59.7 25 1271 14 33 30 14 35 30 --- 01 10 44 7.3 279.4 5.9 59.7 120 1287 14 33 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess323.L1024 --- 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: 10 Station: TIANMA65 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= 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 Net SB= L L U U L L U U IF SB = L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 5 1 5 2 6 2 6 BBC SB= U U L L U U L L IF = A4 B3 A4 B3 A4 B3 A4 B3 The following frequency sets based on these setups were used. Frequency Set: 6 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 BBC fr= 643.51 643.51 643.51 643.51 579.51 579.51 579.51 579.51 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 6 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * PSRJ1914 19 11 48.221608 * 19 14 09.830000 19 15 16.291497 0.00 PSRJ1914+105 10 49 22.11508 * 10 54 35.90000 10 57 09.61398 0.00 From catalog imbedded in main SCHED input file. * J1915+1142 19 13 08.668276 * 19 15 29.387400 19 16 35.431343 0.00 11 36 59.24026 * 11 42 18.55600 11 44 55.11427 0.00 From catalog imbedded in main SCHED input file. * J1913+0932 19 11 00.869981 * 19 13 24.025348 19 14 31.220175 0.00 09 27 34.81592 * 09 32 45.37648 09 35 17.19143 0.00 From catalog imbedded in main SCHED input file. * 3C286 13 28 49.657769 * 13 31 08.288061 13 32 12.645453 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 23 15.94509 0.16 1328+307 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1331+30 GSFC 2016a X/S astro solution, 269 observations. 1758+388 17 58 44.703954 * 18 00 24.765363 18 01 11.036475 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69748 38 48 38.52085 0.01 J1800+38 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 5095 observations. 3C454.3 22 51 29.519739 * 22 53 57.747939 22 55 08.510648 0.65 * J2253+1608 15 52 54.34808 * 16 08 53.56091 16 16 36.85658 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 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 PSRJ1914 sess323.L1024 1 2 3 4 5 6 7 8 9 10 11 3.967 327.135 J1915+1142 sess323.L1024 1 2 3 4 5 6 7 8 9 10 11 2.564 219.805 J1913+0932 sess323.L1024 1 2 3 4 5 6 7 8 9 10 11 0.333 24.666 3C286 sess323.L1024 11 0.158 0.477 J1800+3848 sess323.L1024 1 2 3 4 5 6 7 8 9 10 11 0.167 13.554 J2253+1608 sess323.L1024 1 2 3 4 5 7 8 9 10 11 0.092 8.187 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) PSRJ1914 78.5 J1915+1142 79.0 J1913+0932 77.9 3C286 45.1 J1800+3848 74.3 J2253+1608 131.9 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