COVER INFORMATION Station: HART (Code Hh ) Experiment: Fine-scale imaging of M87 Exp. Code: gs042 Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Tuomas Savolainen Address: Aalto University Metsahovi Radio Observatory Metsahovintie 114, 02540 Kylmala, Finland Phone: +358505819717 EMAIL: tuomas.k.savolainen@aalto.fi Fax: Phone during observation: +358505819717 Observing mode: K-band dual-pol Notes: K-band, Radioastron-compatible frequency setup P-CAL is ON Tsys is ON auto-level (AGC) is ON Schedule for HART (Code Hh ) Page 2 Fine-scale imaging of M87 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 14 May 2018 Day 134 --- Next scan frequencies: 22236.00 22236.00 22236.00 22236.00 Next BBC frequencies: 236.00 236.00 236.00 236.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 14 21 00 1228+126 07 40 52 9.7 71.2 -4.8 0.0 0 0 14 21 00 14 27 20 --- 07 47 13 11.0 70.4 -4.7 0.0 380 12 14 21 01 14 27 50 1236+077 07 47 43 11.7 75.7 -4.9 0.0 -7 12 14 27 50 14 29 10 --- 07 49 03 12.0 75.6 -4.9 0.0 73 15 14 27 51 ---------- K-band VLBI scans. Space segment 02: 1228+126 ---------- 14 30 00 1228+126 07 49 53 11.6 70.1 -4.7 0.0 13 15 14 30 00 14 50 00 --- 08 09 56 15.8 67.5 -4.4 0.0 1200 53 14 30 01 14 50 30 1228+126 08 10 26 15.9 67.4 -4.4 0.0 9 53 14 50 30 14 51 30 --- 08 11 27 16.1 67.3 -4.3 0.0 60 55 14 50 31 14 52 10 1228+126 08 12 07 16.2 67.2 -4.3 0.0 19 55 14 52 10 15 10 00 --- 08 30 00 19.9 64.7 -4.0 0.0 1070 90 14 52 11 ---------- K-band VLBI scans. Ground segment 03: ---------- 15 10 20 1236+077 08 30 20 20.8 70.2 -4.2 0.0 -17 90 15 10 20 15 11 50 --- 08 31 50 21.1 70.0 -4.1 0.0 73 93 15 10 21 15 12 40 1228+126 08 32 40 20.5 64.3 -4.0 0.0 13 93 15 12 40 15 22 10 --- 08 42 12 22.4 62.9 -3.8 0.0 570 111 15 12 41 15 23 10 1226+023 08 43 12 28.6 72.1 -3.8 0.0 12 111 15 23 10 15 28 10 --- 08 48 13 29.7 71.3 -3.7 0.0 300 121 15 23 11 15 28 40 1236+077 08 48 43 24.7 67.6 -3.9 0.0 -8 121 15 28 40 15 30 10 --- 08 50 13 25.0 67.4 -3.8 0.0 82 124 15 28 41 15 31 00 1228+126 08 51 03 24.1 61.5 -3.7 0.0 13 124 15 31 00 15 40 30 --- 09 00 35 26.0 60.0 -3.5 0.0 570 142 15 31 01 15 42 10 1253-055 09 02 15 30.6 81.1 -3.9 0.0 37 142 15 42 10 15 46 10 --- 09 06 16 31.5 80.6 -3.8 0.0 240 150 15 42 11 15 47 50 1228+126 09 07 56 27.4 58.8 -3.4 0.0 37 150 15 47 50 15 56 50 --- 09 16 57 29.2 57.2 -3.2 0.0 540 167 15 47 51 15 57 30 1228+126 09 17 37 29.3 57.1 -3.2 0.0 19 167 15 57 30 16 06 50 --- 09 26 59 31.0 55.4 -3.1 0.0 560 185 15 57 31 Schedule for HART (Code Hh ) Page 3 Fine-scale imaging of M87 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 14 May 2018 Day 134 --- 16 08 30 1156+295 09 28 39 24.0 36.0 -2.5 0.0 39 185 16 08 30 16 12 30 --- 09 32 40 24.5 35.2 -2.5 0.0 240 193 16 08 31 16 14 00 1228+126 09 34 10 32.4 54.0 -3.0 0.0 29 193 16 14 00 16 22 30 --- 09 42 42 33.9 52.3 -2.8 0.0 510 209 16 14 01 16 23 10 1228+126 09 43 22 34.0 52.2 -2.8 0.0 19 209 16 23 10 16 32 30 --- 09 52 43 35.6 50.3 -2.7 0.0 560 227 16 23 11 16 33 30 1226+023 09 53 43 43.1 59.6 -2.6 0.0 12 227 16 33 30 16 37 30 --- 09 57 44 43.9 58.7 -2.5 0.0 240 235 16 33 31 16 38 30 1228+126 09 58 44 36.7 49.0 -2.6 0.0 12 235 16 38 30 16 47 30 --- 10 07 46 38.2 46.9 -2.4 0.0 540 252 16 38 31 16 48 10 1228+126 10 08 26 38.3 46.8 -2.4 0.0 19 252 16 48 10 16 57 30 --- 10 17 47 39.8 44.6 -2.2 0.0 560 271 16 48 11 16 59 10 1253-055 10 19 28 47.4 68.9 -2.6 0.0 37 271 16 59 10 17 03 10 --- 10 23 28 48.2 68.1 -2.6 0.0 240 278 16 59 11 17 04 50 1228+126 10 25 09 40.9 42.7 -2.1 0.0 37 278 17 04 50 17 14 10 --- 10 34 30 42.3 40.3 -2.0 0.0 560 296 17 04 51 17 14 50 1228+126 10 35 10 42.4 40.1 -1.9 0.0 19 296 17 14 50 17 25 00 --- 10 45 22 43.9 37.4 -1.8 0.0 610 316 17 14 51 17 25 50 1228+126 10 46 12 44.0 37.1 -1.8 0.0 29 316 17 25 50 17 34 20 --- 10 54 43 45.1 34.7 -1.6 0.0 510 332 17 25 51 17 36 00 1156+295 10 56 24 32.9 16.7 -1.1 0.0 39 332 17 36 00 17 39 20 --- 10 59 44 33.1 15.8 -1.0 0.0 200 339 17 36 01 17 41 00 1228+126 11 01 24 45.9 32.7 -1.5 0.0 39 339 17 41 00 17 49 20 --- 11 09 46 46.9 30.1 -1.4 0.0 500 355 17 41 01 17 50 20 1226+023 11 10 46 56.2 37.5 -1.3 0.0 12 355 17 50 20 17 54 20 --- 11 14 47 56.7 36.0 -1.3 0.0 240 363 17 50 21 17 55 20 1253-055 11 15 47 58.6 54.8 -1.7 0.0 17 363 17 55 20 17 59 20 --- 11 19 47 59.3 53.5 -1.6 0.0 240 370 17 55 21 18 01 00 1228+126 11 21 28 48.2 26.2 -1.2 0.0 37 370 18 01 00 18 04 20 --- 11 24 48 48.5 25.1 -1.1 0.0 200 377 18 01 01 Schedule for HART (Code Hh ) Page 4 Fine-scale imaging of M87 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 14 May 2018 Day 134 --- ---------- K-band VLBI scans. Space segment 03: 1228+126 ---------- 18 05 00 1228+126 11 25 28 48.6 24.9 -1.1 0.0 19 377 18 05 00 18 25 00 --- 11 45 32 50.2 17.8 -0.8 0.0 1200 415 18 05 01 18 25 40 1228+126 11 46 12 50.2 17.6 -0.8 0.0 19 415 18 25 40 18 45 00 --- 12 05 35 51.3 10.3 -0.4 0.0 1160 453 18 25 41 ---------- K-band VLBI scans. Ground segment 04: ---------- 18 45 40 1228+126 12 06 15 51.3 10.0 -0.4 0.0 19 453 18 45 40 18 55 00 --- 12 15 37 51.6 6.4 -0.3 0.0 560 471 18 45 41 18 56 40 1156+295 12 17 17 34.8 355.5 0.3 0.0 39 471 18 56 40 19 00 10 --- 12 20 47 34.7 354.6 0.3 0.0 210 478 18 56 41 19 01 40 1228+126 12 22 18 51.7 3.7 -0.2 0.0 29 478 19 01 40 19 09 40 --- 12 30 19 51.8 0.6 -0.0 0.0 480 493 19 01 41 19 11 10 1253-055 12 31 49 69.1 17.9 -0.4 0.0 27 493 19 11 10 19 14 40 --- 12 35 20 69.3 15.5 -0.4 0.0 210 500 19 11 11 19 16 20 1228+126 12 37 00 51.8 357.9 0.1 0.0 37 500 19 16 20 19 24 40 --- 12 45 22 51.7 354.6 0.2 0.0 500 516 19 16 21 ---------- K-band VLBI scans. Ground segment 04: ---------- 19 25 40 1228+126 12 46 22 51.7 354.2 0.2 0.0 39 516 19 25 40 19 34 40 --- 12 55 23 51.4 350.7 0.4 0.0 540 533 19 25 41 19 35 50 1226+023 12 56 33 61.4 346.0 0.4 0.0 22 533 19 35 50 19 39 40 --- 13 00 24 61.2 344.1 0.5 0.0 230 541 19 35 51 19 40 50 1228+126 13 01 34 51.1 348.3 0.5 0.0 22 541 19 40 50 19 49 40 --- 13 10 26 50.7 345.0 0.6 0.0 530 558 19 40 51 19 51 10 1156+295 13 11 56 32.4 341.5 1.2 0.0 29 558 19 51 10 19 54 50 --- 13 15 36 32.1 340.6 1.3 0.0 220 565 19 51 11 19 56 20 1228+126 13 17 07 50.3 342.5 0.8 0.0 29 565 19 56 20 20 05 00 --- 13 25 48 49.6 339.4 0.9 0.0 520 582 19 56 21 20 06 40 1253-055 13 27 28 68.7 338.8 0.5 0.0 37 582 20 06 40 20 10 00 --- 13 30 49 68.4 336.7 0.6 0.0 200 588 20 06 41 Schedule for HART (Code Hh ) Page 5 Fine-scale imaging of M87 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 14 May 2018 Day 134 --- 20 11 40 1228+126 13 32 29 49.1 337.0 1.0 0.0 37 588 20 11 40 20 20 00 --- 13 40 51 48.3 334.2 1.2 0.0 500 604 20 11 41 20 20 40 1228+126 13 41 31 48.2 333.9 1.2 0.0 19 604 20 20 40 20 25 00 --- 13 45 51 47.8 332.5 1.2 0.0 260 613 20 20 41 ---------- K-band VLBI scans. Ground segment 04: ---------- 20 26 20 1228+126 13 47 12 47.6 332.0 1.3 0.0 59 613 20 26 20 20 35 30 --- 13 56 23 46.6 329.1 1.4 0.0 550 630 20 26 21 20 36 50 1156+295 13 57 43 28.2 331.0 2.0 0.0 19 630 20 36 50 20 40 30 --- 14 01 24 27.8 330.2 2.0 0.0 220 637 20 36 51 20 41 50 1228+126 14 02 44 45.9 327.1 1.5 0.0 19 637 20 41 50 20 50 30 --- 14 11 26 44.8 324.6 1.7 0.0 520 654 20 41 51 20 51 50 1226+023 14 12 46 52.7 314.4 1.7 0.0 32 654 20 51 50 20 55 30 --- 14 16 26 52.1 313.2 1.8 0.0 220 661 20 51 51 20 56 50 1228+126 14 17 47 43.9 322.7 1.8 0.0 32 661 20 56 50 21 05 30 --- 14 26 28 42.7 320.4 1.9 0.0 520 678 20 56 51 21 07 00 1253-055 14 27 58 60.5 308.8 1.5 0.0 27 678 21 07 00 21 10 30 --- 14 31 29 59.9 307.5 1.6 0.0 210 685 21 07 01 21 12 00 1228+126 14 32 59 41.8 318.6 2.0 0.0 27 685 21 12 00 21 20 30 --- 14 41 31 40.5 316.5 2.2 0.0 510 701 21 12 01 21 21 10 1228+126 14 42 11 40.4 316.3 2.2 0.0 19 701 21 21 10 21 30 00 --- 14 51 02 39.0 314.2 2.3 0.0 530 718 21 21 11 21 30 40 1228+126 14 51 42 38.8 314.0 2.3 0.0 19 718 21 30 40 21 39 00 --- 15 00 04 37.5 312.1 2.5 0.0 500 734 21 30 41 ---------- K-band VLBI scans. Space segment 04: 1228+126 ---------- 21 40 00 1228+126 15 01 04 37.3 311.9 2.5 0.0 39 734 21 40 00 21 56 40 --- 15 17 46 34.4 308.3 2.8 0.0 1000 766 21 40 01 21 57 20 1228+126 15 18 27 34.3 308.1 2.8 0.0 19 766 21 57 20 22 13 20 --- 15 34 29 31.4 305.0 3.0 0.0 960 797 21 57 21 22 14 00 1228+126 15 35 09 31.3 304.9 3.1 0.0 19 797 22 14 00 22 30 00 --- 15 51 12 28.3 302.0 3.3 0.0 960 828 22 14 01 Schedule for HART (Code Hh ) Page 6 Fine-scale imaging of M87 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 14 May 2018 Day 134 --- 22 31 20 1253-055 15 52 32 43.6 287.8 2.9 0.0 17 828 22 31 20 22 33 20 --- 15 54 32 43.2 287.4 3.0 0.0 120 832 22 31 21 22 35 00 1156+295 15 56 13 11.1 310.3 3.9 0.0 3 832 22 35 00 22 37 00 --- 15 58 13 10.8 310.0 4.0 0.0 120 836 22 35 01 22 38 40 1228+126 15 59 53 26.6 300.5 3.5 0.0 39 836 22 38 40 22 42 40 --- 16 03 54 25.8 299.9 3.5 0.0 240 844 22 38 41 22 43 30 1228+126 16 04 44 25.7 299.7 3.5 0.0 29 844 22 43 30 22 52 00 --- 16 13 16 24.0 298.4 3.7 0.0 510 860 22 43 31 22 52 40 1228+126 16 13 56 23.9 298.2 3.7 0.0 19 860 22 52 40 22 56 40 --- 16 17 56 23.1 297.6 3.8 0.0 240 868 22 52 41 22 57 30 1228+126 16 18 46 22.9 297.5 3.8 0.0 29 868 22 57 30 23 10 00 --- 16 31 19 20.4 295.6 4.0 0.0 750 892 22 57 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra1cm2.set --- 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: 15 Station: HART Total bit rate: 256 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 22000.00 22000.00 22000.00 22000.00 Net SB= U U L L IF SB = U U U U Pol. = RCP LCP RCP LCP BBC = 1 9 1 9 BBC SB= U U L L IF = A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 16 Setup file default. Used with PCAL = 1MHz LO sum= 22236.00 22236.00 22236.00 22236.00 BBC fr= 236.00 236.00 236.00 236.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 16 Track assignments are: track1= 1, 2, 3, 4 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * FAKERA 11 57 21.769299 * 12 00 00.000000 12 00 58.985352 0.00 85 16 41.77889 * 85 00 00.00000 84 54 13.48772 0.00 From catalog imbedded in main SCHED input file. fake circumpolar target for a TS to look at J1239+0730 12 36 52.308755 * 12 39 24.588327 12 40 20.487542 0.10 * 1236+077 07 46 45.39997 * 07 30 17.18902 07 24 18.52672 0.11 J1239+07 From catalog imbedded in main SCHED input file. rfc_2012b Petrov, 2012, unpublished 1855 observations * 1226+023 12 26 33.245835 * 12 29 06.699731 12 30 03.025117 0.00 J1229+0203 02 19 43.30547 * 02 03 08.59797 01 57 05.87367 0.00 3C273B ./gs042_sources.radioastron 3C273 AGN, rfc_2013d Petrov, 2013, unpublished 32011 observations, RA-AO4-07, RA-AO3-0 * 1253-055 12 53 35.831289 * 12 56 11.166557 12 57 08.371431 0.00 J1256-0547 -05 31 07.99603 *-05 47 21.52489 -05 53 17.34581 0.00 3C279 ./gs042_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 7924 observations, RA-AO4-07, RA-AO3-04 * 1228+126 12 28 17.569280 * 12 30 49.423382 12 31 45.092957 0.00 J1230+1223 12 40 01.74883 * 12 23 28.04365 12 17 28.41095 0.00 3C274 ./gs042_sources.radioastron M87 AGN, rfc_2013d Petrov, 2013, unpublished 55201 observations, RA-AO3-04, RA-AO3-0 VIR-A * 1156+295 11 56 57.786212 * 11 59 31.833913 12 00 28.033628 0.00 J1159+2914 29 31 25.73868 * 29 14 43.82678 29 08 45.29167 0.00 ./gs042_sources.radioastron AGN, MASIV, rfc_2013d Petrov, 2013, unpublished 70591 observations, RA-AO3-04, R 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 FAKERA ra1cm2.set 9 2.783 0.000 1236+077 ra1cm2.set 1 2 3 6 7 8 11 13 14 15 16 + 0.347 16.742 1226+023 ra1cm2.set 1 2 3 6 7 8 11 13 14 15 16 + 0.667 51.411 1253-055 ra1cm2.set 1 2 3 6 7 8 11 13 14 15 16 + 0.597 42.278 1228+126 ra1cm2.set 1 2 3 6 7 8 11 13 14 15 16 + 8.722 862.110 ra7mm2.set 30 31 32 0.350 15.750 1156+295 ra1cm2.set 1 2 3 6 7 8 11 13 14 15 16 + 0.617 51.640 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) FAKERA 74.5 1236+077 131.5 1226+023 132.1 1253-055 141.6 1228+126 127.0 1156+295 111.1 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