COVER INFORMATION Station: KVNTN (Code Kt ) 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 KVNTN (Code Kt ) 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 --- ---------- K-band VLBI scans. Ground segment 01: FF source 1226+023 ---------- Next scan frequencies: 22236.00 22236.00 22236.00 22236.00 Next BBC frequencies: 8986.00 8986.00 8986.00 8986.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 10 45 00 1226+023 10 39 22 49.3 134.6 -1.8 -36.6 0 0 10 45 00 10 46 00 --- 10 40 22 49.5 134.9 -1.8 -36.3 60 2 10 45 01 10 46 40 1226+023 10 41 02 49.6 135.1 -1.8 -36.2 38 2 10 46 40 10 53 40 --- 10 48 03 50.6 137.3 -1.7 -34.5 420 15 10 46 41 10 55 00 1228+126 10 49 24 58.6 125.9 -1.7 -43.9 73 15 10 55 00 10 56 00 --- 10 50 24 58.8 126.3 -1.7 -43.6 60 17 10 55 01 10 56 20 1228+126 10 50 44 58.8 126.4 -1.7 -43.5 18 17 10 56 20 11 15 00 --- 11 09 27 61.8 133.3 -1.4 -38.5 1120 53 10 56 21 11 15 30 1228+126 11 09 57 61.9 133.5 -1.4 -38.3 28 53 11 15 30 11 16 30 --- 11 10 57 62.1 134.0 -1.3 -38.0 60 55 11 15 31 11 16 50 1228+126 11 11 17 62.1 134.1 -1.3 -37.9 18 55 11 16 50 11 35 00 --- 11 29 30 64.6 142.3 -1.0 -31.6 1090 90 11 16 51 ---------- K-band VLBI scans. Ground segment 02: ---------- 11 36 20 1156+295 11 30 50 82.4 121.2 -0.5 -54.9 70 90 11 36 20 11 37 50 --- 11 32 21 82.7 122.7 -0.5 -53.6 90 93 11 36 21 11 38 20 1156+295 11 32 51 82.8 123.2 -0.5 -53.2 28 93 11 38 20 11 41 50 --- 11 36 21 83.4 127.2 -0.4 -49.7 210 100 11 38 21 11 42 20 1236+077 11 36 51 60.2 146.9 -1.1 -27.4 19 100 11 42 20 11 44 20 --- 11 38 52 60.5 147.8 -1.0 -26.7 120 104 11 42 21 11 45 00 1228+126 11 39 32 65.9 147.4 -0.9 -27.5 35 104 11 45 00 11 54 00 --- 11 48 33 66.8 152.3 -0.7 -23.4 540 121 11 45 01 11 54 50 1226+023 11 49 23 57.2 161.0 -0.7 -15.8 44 121 11 54 50 11 58 20 --- 11 52 54 57.5 162.5 -0.6 -14.5 210 128 11 54 51 11 58 50 1236+077 11 53 24 61.9 154.6 -0.8 -21.2 24 128 11 58 50 12 00 20 --- 11 54 54 62.1 155.4 -0.8 -20.6 90 130 11 58 51 12 01 00 1228+126 11 55 34 67.4 156.4 -0.6 -20.0 35 130 12 01 00 12 10 20 --- 12 04 56 68.1 162.2 -0.4 -15.2 560 148 12 01 01 Schedule for KVNTN (Code Kt ) 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 --- 12 10 50 1228+126 12 05 26 68.2 162.5 -0.4 -14.9 28 148 12 10 50 12 19 50 --- 12 14 28 68.6 168.3 -0.3 -10.0 540 166 12 10 51 12 20 20 1253-055 12 14 58 49.6 163.7 -0.7 -13.6 21 166 12 20 20 12 22 20 --- 12 16 58 49.7 164.4 -0.7 -13.0 120 170 12 20 21 12 22 50 1253-055 12 17 28 49.7 164.6 -0.7 -12.9 28 170 12 22 50 12 26 20 --- 12 20 59 49.9 166.0 -0.6 -11.8 210 176 12 22 51 12 26 50 1236+077 12 21 29 63.8 169.4 -0.3 -8.9 22 176 12 26 50 12 28 20 --- 12 22 59 63.8 170.2 -0.3 -8.2 90 179 12 26 51 12 29 00 1228+126 12 23 39 68.9 174.5 -0.1 -4.7 35 179 12 29 00 12 38 30 --- 12 33 11 69.0 181.0 0.0 0.8 570 197 12 29 01 12 39 00 1228+126 12 33 41 69.0 181.3 0.0 1.1 28 197 12 39 00 12 43 20 --- 12 38 01 69.0 184.3 0.1 3.7 260 206 12 39 01 12 43 50 1156+295 12 38 31 80.9 245.5 0.6 60.6 6 206 12 43 50 12 45 30 --- 12 40 12 80.6 246.6 0.7 61.5 100 209 12 43 51 12 46 10 1156+295 12 40 52 80.4 247.1 0.7 61.8 38 209 12 46 10 12 50 20 --- 12 45 03 79.6 249.5 0.7 63.7 250 217 12 46 11 12 50 50 1236+077 12 45 33 64.1 183.0 0.1 2.5 4 217 12 50 50 12 52 50 --- 12 47 33 64.1 184.1 0.1 3.4 120 221 12 50 51 12 53 30 1228+126 12 48 13 68.7 191.1 0.3 9.5 35 221 12 53 30 13 02 50 --- 12 57 35 68.2 197.2 0.4 14.7 560 239 12 53 31 13 03 50 1226+023 12 58 35 58.0 193.5 0.5 11.3 54 239 13 03 50 13 07 50 --- 13 02 35 57.7 195.4 0.5 12.8 240 246 13 03 51 13 08 20 1236+077 13 03 05 63.6 192.8 0.4 10.7 25 246 13 08 20 13 09 50 --- 13 04 36 63.5 193.6 0.4 11.4 90 249 13 08 21 13 10 30 1228+126 13 05 16 67.6 202.0 0.6 18.7 34 249 13 10 30 13 20 00 --- 13 14 47 66.8 207.6 0.7 23.4 570 268 13 10 31 13 20 30 1228+126 13 15 17 66.8 207.9 0.7 23.6 28 268 13 20 30 13 29 50 --- 13 24 39 65.8 213.0 0.9 27.8 560 286 13 20 31 13 30 20 1253-055 13 25 09 50.3 190.9 0.5 9.2 19 286 13 30 20 13 32 00 --- 13 26 49 50.2 191.6 0.5 9.7 100 289 13 30 21 Schedule for KVNTN (Code Kt ) 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 --- 13 32 30 1253-055 13 27 19 50.2 191.8 0.5 9.9 28 289 13 32 30 13 36 50 --- 13 31 40 50.0 193.4 0.6 11.3 260 297 13 32 31 13 37 20 1236+077 13 32 10 61.5 207.7 0.9 23.1 22 297 13 37 20 13 38 50 --- 13 33 40 61.3 208.5 0.9 23.7 90 300 13 37 21 13 39 30 1228+126 13 34 21 64.6 217.9 1.0 31.7 34 300 13 39 30 13 48 50 --- 13 43 42 63.3 222.3 1.2 35.1 560 318 13 39 31 13 49 20 1228+126 13 44 12 63.3 222.5 1.2 35.3 28 318 13 49 20 13 53 40 --- 13 48 33 62.6 224.4 1.3 36.7 260 326 13 49 21 13 54 10 1156+295 13 49 03 66.5 267.2 1.8 72.9 13 326 13 54 10 13 55 50 --- 13 50 43 66.1 267.5 1.8 73.0 100 329 13 54 11 13 56 20 1156+295 13 51 13 66.0 267.6 1.8 73.0 28 329 13 56 20 14 00 40 --- 13 55 34 65.1 268.2 1.9 73.1 260 338 13 56 21 14 01 10 1236+077 13 56 04 58.7 218.3 1.3 31.5 10 338 14 01 10 14 03 10 --- 13 58 04 58.5 219.1 1.3 32.1 120 342 14 01 11 14 04 00 1228+126 13 58 55 61.1 228.6 1.5 39.9 44 342 14 04 00 14 13 10 --- 14 08 06 59.6 232.0 1.6 42.4 550 359 14 04 01 14 14 10 1226+023 14 09 06 51.0 221.7 1.7 33.8 53 359 14 14 10 14 18 10 --- 14 13 07 50.4 223.0 1.7 34.8 240 367 14 14 11 14 18 40 1236+077 14 13 37 56.3 225.0 1.6 36.6 25 367 14 18 40 14 20 10 --- 14 15 07 56.1 225.6 1.6 37.0 90 370 14 18 41 14 21 00 1228+126 14 15 57 58.3 234.7 1.7 44.3 44 370 14 21 00 14 27 20 --- 14 22 18 57.2 236.8 1.8 45.7 380 382 14 21 01 14 27 50 1236+077 14 22 49 54.9 228.2 1.7 38.9 24 382 14 27 50 14 29 10 --- 14 24 09 54.7 228.7 1.7 39.3 80 385 14 27 51 ---------- K-band VLBI scans. Space segment 02: 1228+126 ---------- 14 30 00 1228+126 14 24 59 56.7 237.6 1.9 46.2 44 385 14 30 00 14 50 00 --- 14 45 02 53.1 243.3 2.2 49.8 1200 423 14 30 01 14 50 30 1228+126 14 45 32 53.0 243.4 2.2 49.9 28 423 14 50 30 14 51 30 --- 14 46 32 52.8 243.7 2.2 50.1 60 425 14 50 31 Schedule for KVNTN (Code Kt ) 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 --- 14 52 10 1228+126 14 47 13 52.7 243.8 2.3 50.2 38 425 14 52 10 15 10 00 --- 15 05 05 49.2 248.2 2.6 52.6 1070 459 14 52 11 ---------- K-band VLBI scans. Ground segment 03: ---------- 15 10 20 1236+077 15 05 26 47.7 240.6 2.4 47.2 14 459 15 10 20 15 11 50 --- 15 06 56 47.4 240.9 2.4 47.5 90 462 15 10 21 15 12 40 1228+126 15 07 46 48.7 248.8 2.6 52.9 44 462 15 12 40 15 22 10 --- 15 17 17 46.9 250.8 2.8 53.9 570 480 15 12 41 15 23 10 1226+023 15 18 18 39.7 240.5 2.8 46.7 53 480 15 23 10 15 28 10 --- 15 23 18 38.8 241.6 2.9 47.4 300 490 15 23 11 15 28 40 1236+077 15 23 49 44.2 244.9 2.7 49.8 25 490 15 28 40 15 30 10 --- 15 25 19 44.0 245.2 2.7 49.9 90 493 15 28 41 15 31 00 1228+126 15 26 09 45.1 252.7 2.9 54.7 45 493 15 31 00 15 40 30 --- 15 35 40 43.2 254.5 3.1 55.5 570 511 15 31 01 15 42 10 1253-055 15 37 21 35.5 231.8 2.7 41.3 89 511 15 42 10 15 46 10 --- 15 41 21 34.8 232.7 2.7 42.0 240 519 15 42 11 15 47 50 1228+126 15 43 02 41.7 255.9 3.2 56.1 89 519 15 47 50 15 56 50 --- 15 52 03 39.9 257.5 3.3 56.6 540 536 15 47 51 15 57 30 1228+126 15 52 43 39.7 257.6 3.3 56.7 38 536 15 57 30 16 06 50 --- 16 02 05 37.8 259.2 3.5 57.2 560 554 15 57 31 16 08 30 1156+295 16 03 45 38.6 282.8 4.1 69.0 89 554 16 08 30 16 12 30 --- 16 07 46 37.7 283.2 4.1 68.7 240 562 16 08 31 16 14 00 1228+126 16 09 16 36.3 260.4 3.6 57.5 79 562 16 14 00 16 22 30 --- 16 17 47 34.6 261.8 3.8 57.9 510 578 16 14 01 16 23 10 1228+126 16 18 27 34.4 261.9 3.8 57.9 38 578 16 23 10 16 32 30 --- 16 27 49 32.5 263.3 3.9 58.2 560 596 16 23 11 16 33 30 1226+023 16 28 49 26.1 253.9 4.0 53.5 54 596 16 33 30 16 37 30 --- 16 32 50 25.3 254.6 4.0 53.7 240 604 16 33 31 16 38 30 1228+126 16 33 50 31.3 264.2 4.0 58.3 54 604 16 38 30 16 47 30 --- 16 42 51 29.4 265.6 4.2 58.5 540 621 16 38 31 Schedule for KVNTN (Code Kt ) 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 --- 16 48 10 1228+126 16 43 32 29.2 265.7 4.2 58.5 38 621 16 48 10 16 57 30 --- 16 52 53 27.3 267.0 4.4 58.7 560 639 16 48 11 16 59 10 1253-055 16 54 33 21.6 247.0 4.0 50.7 90 639 16 59 10 17 03 10 --- 16 58 34 20.8 247.6 4.0 51.0 240 647 16 59 11 17 04 50 1228+126 17 00 14 25.7 268.1 4.5 58.8 90 647 17 04 50 17 14 10 --- 17 09 36 23.8 269.4 4.6 58.8 560 665 17 04 51 17 14 50 1228+126 17 10 16 23.7 269.5 4.6 58.8 38 665 17 14 50 17 25 00 --- 17 20 28 21.5 270.9 4.8 58.8 610 684 17 14 51 17 25 50 1228+126 17 21 18 21.3 271.0 4.8 58.8 48 684 17 25 50 17 34 20 --- 17 29 49 19.6 272.1 5.0 58.8 510 701 17 25 51 17 36 00 1156+295 17 31 29 21.1 291.8 5.5 62.7 90 701 17 36 00 17 39 20 --- 17 34 50 20.4 292.2 5.6 62.4 200 707 17 36 01 17 41 00 1228+126 17 36 30 18.2 273.0 5.1 58.7 90 707 17 41 00 17 49 20 --- 17 44 52 16.4 274.1 5.2 58.6 500 723 17 41 01 17 50 20 1226+023 17 45 52 10.3 265.5 5.3 56.5 54 723 17 50 20 17 54 20 --- 17 49 52 9.5 266.1 5.3 56.6 240 731 17 50 21 17 55 20 1253-055 17 50 53 10.4 255.8 4.9 54.6 53 731 17 55 20 17 59 20 --- 17 54 53 9.6 256.4 5.0 54.8 240 738 17 55 21 18 01 00 1228+126 17 56 34 14.0 275.7 5.4 58.4 91 738 18 01 00 18 04 20 --- 17 59 54 13.3 276.1 5.5 58.3 200 745 18 01 01 ---------- K-band VLBI scans. Space segment 03: 1228+126 ---------- 18 05 00 1228+126 18 00 34 13.2 276.2 5.5 58.3 38 745 18 05 00 18 25 00 --- 18 20 38 9.0 278.8 5.8 57.7 1200 783 18 05 01 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: 24 Station: KVNTN Total bit rate: 256 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 13250.00 13250.00 13250.00 13250.00 Net SB= L L U U IF SB = U U U U Pol. = RCP LCP RCP LCP BBC = 2 1 2 1 BBC SB= L L U U IF = D C D C The following frequency sets based on these setups were used. Frequency Set: 3 Setup file default. Used with PCAL = 1MHz LO sum= 22236.00 22236.00 22236.00 22236.00 BBC fr= 8986.00 8986.00 8986.00 8986.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 3 4 5 Track assignments are: track1= 2, 4, 6, 8 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