COVER INFORMATION Station: TORUN (Code Tr ) Experiment: Dual Frequency Observation of NGC2146 Exp. Code: EC096A Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Xiaopeng Cheng Address: Radio Astronomy Division Korea Astronomy and Space Science Institute 776 Daedeokdae-ro, Yuseong-gu Daejeon 34055, KOREA Phone: +86-18317079386 EMAIL: xcheng@kasi.re.kr Fax: Phone during observation: +86-18317079386 Observing mode: Notes: 18cm-1Gbps-32MHz Drafted by Xiaopeng Cheng Schedule for TORUN (Code Tr ) Page 2 Dual Frequency Observation of NGC2146 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 ---------------------------------------------------------------------------------------- --- Fri 24 May 2024 Day 145 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 673.51 673.51 673.51 673.51 609.51 609.51 609.51 609.51 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 16 00 00 0716+714 09 25 14 67.5 -24.9 2.0 128.0 0 0 16 00 00 16 00 30 --- 09 25 44 67.5 -25.0 2.0 127.8 30 4 16 00 01 16 00 50 0716+714 09 26 04 67.4 -25.0 2.0 127.7 14 4 16 00 50 16 03 50 --- 09 29 04 67.3 -25.4 2.1 126.6 180 27 16 00 51 16 04 10 J0617+7816 09 29 24 60.0 -17.3 3.1 118.6 -21 27 16 04 10 16 05 50 --- 09 31 05 60.0 -17.4 3.2 118.1 79 40 16 04 11 16 05 50 NGC2146 09 31 05 60.0 -17.2 3.1 118.4 -9 40 No stop 16 09 30 --- 09 34 45 59.8 -17.4 3.2 117.4 211 68 16 05 51 16 09 55 J0617+7816 09 35 10 59.8 -17.6 3.2 116.9 16 68 16 09 55 16 10 55 --- 09 36 10 59.7 -17.6 3.2 116.6 60 76 16 09 56 16 10 55 NGC2146 09 36 10 59.7 -17.4 3.2 117.0 -9 76 No stop 16 14 35 --- 09 39 51 59.6 -17.6 3.3 115.9 211 104 16 10 56 16 14 35 J0617+7816 09 39 51 59.6 -17.8 3.3 115.6 -9 104 No stop 16 15 45 --- 09 41 01 59.5 -17.8 3.3 115.3 61 113 16 14 36 16 15 45 NGC2146 09 41 01 59.5 -17.7 3.3 115.6 -9 113 No stop 16 19 25 --- 09 44 42 59.3 -17.8 3.4 114.6 211 142 16 15 46 16 19 50 J0617+7816 09 45 07 59.3 -18.0 3.4 114.1 16 142 16 19 50 16 20 50 --- 09 46 07 59.3 -18.1 3.4 113.8 60 149 16 19 51 16 20 50 NGC2146 09 46 07 59.3 -17.9 3.4 114.2 -9 149 No stop 16 24 30 --- 09 49 48 59.1 -18.0 3.5 113.1 211 178 16 20 51 16 24 30 J0617+7816 09 49 48 59.1 -18.2 3.5 112.8 -9 178 No stop 16 25 40 --- 09 50 58 59.0 -18.2 3.5 112.5 61 187 16 24 31 16 25 40 NGC2146 09 50 58 59.0 -18.1 3.5 112.8 -9 187 No stop 16 29 20 --- 09 54 39 58.9 -18.2 3.5 111.8 211 215 16 25 41 16 29 45 J0617+7816 09 55 04 58.9 -18.4 3.6 111.4 16 215 16 29 45 16 30 45 --- 09 56 04 58.8 -18.4 3.6 111.1 60 223 16 29 46 16 30 45 NGC2146 09 56 04 58.8 -18.2 3.6 111.4 -9 223 No stop 16 34 25 --- 09 59 44 58.6 -18.4 3.6 110.4 211 251 16 30 46 Schedule for TORUN (Code Tr ) Page 3 Dual Frequency Observation of NGC2146 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 ---------------------------------------------------------------------------------------- --- Fri 24 May 2024 Day 145 --- 16 34 25 J0617+7816 09 59 44 58.6 -18.6 3.6 110.1 -9 251 No stop 16 35 35 --- 10 00 55 58.6 -18.6 3.7 109.8 61 260 16 34 26 16 35 35 NGC2146 10 00 55 58.6 -18.4 3.6 110.1 -9 260 No stop 16 39 15 --- 10 04 35 58.4 -18.5 3.7 109.1 211 289 16 35 36 16 39 40 J0617+7816 10 05 00 58.4 -18.7 3.7 108.6 16 289 16 39 40 16 40 40 --- 10 06 00 58.3 -18.8 3.7 108.4 60 296 16 39 41 16 40 40 NGC2146 10 06 00 58.3 -18.6 3.7 108.7 -9 296 No stop 16 44 20 --- 10 09 41 58.2 -18.7 3.8 107.7 211 325 16 40 41 16 44 20 J0617+7816 10 09 41 58.2 -18.9 3.8 107.4 -9 325 No stop 16 45 30 --- 10 10 51 58.1 -18.9 3.8 107.1 61 334 16 44 21 16 45 30 NGC2146 10 10 51 58.1 -18.7 3.8 107.4 -9 334 No stop 16 49 10 --- 10 14 32 57.9 -18.8 3.9 106.4 211 362 16 45 31 16 49 35 J0617+7816 10 14 57 57.9 -19.0 3.9 106.0 16 362 16 49 35 16 50 35 --- 10 15 57 57.8 -19.0 3.9 105.7 60 370 16 49 36 16 50 35 NGC2146 10 15 57 57.9 -18.9 3.9 106.0 -9 370 No stop 16 54 15 --- 10 19 38 57.7 -19.0 4.0 105.0 211 398 16 50 36 16 54 15 J0617+7816 10 19 38 57.7 -19.1 4.0 104.7 -9 398 No stop 16 55 25 --- 10 20 48 57.6 -19.2 4.0 104.4 61 407 16 54 16 16 55 25 NGC2146 10 20 48 57.6 -19.0 4.0 104.7 -9 407 No stop 16 58 45 --- 10 24 08 57.5 -19.1 4.0 103.8 191 433 16 55 26 16 59 10 J0617+7816 10 24 33 57.4 -19.2 4.0 103.4 16 433 16 59 10 17 00 20 --- 10 25 44 57.4 -19.3 4.1 103.1 70 442 16 59 11 17 00 35 0716+714 10 25 59 63.2 -30.4 3.0 108.6 -22 442 17 00 35 17 03 35 --- 10 28 59 63.0 -30.6 3.1 107.7 158 465 17 00 36 17 04 00 J0617+7816 10 29 24 57.2 -19.3 4.1 102.1 -12 465 17 04 00 17 05 50 --- 10 31 14 57.1 -19.4 4.2 101.7 98 479 17 04 01 17 05 50 NGC2146 10 31 14 57.1 -19.2 4.1 102.0 -9 479 No stop 17 09 30 --- 10 34 55 56.9 -19.3 4.2 101.0 211 508 17 05 51 17 09 55 J0617+7816 10 35 20 56.9 -19.5 4.2 100.6 16 508 17 09 55 17 11 05 --- 10 36 30 56.8 -19.5 4.2 100.3 70 517 17 09 56 Schedule for TORUN (Code Tr ) Page 4 Dual Frequency Observation of NGC2146 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 ---------------------------------------------------------------------------------------- --- Fri 24 May 2024 Day 145 --- 17 11 05 NGC2146 10 36 30 56.8 -19.3 4.2 100.6 -9 517 No stop 17 14 45 --- 10 40 11 56.7 -19.4 4.3 99.7 211 545 17 11 06 17 14 45 J0617+7816 10 40 11 56.6 -19.5 4.3 99.3 -9 545 No stop 17 16 05 --- 10 41 31 56.6 -19.5 4.3 99.0 71 555 17 14 46 17 16 05 NGC2146 10 41 31 56.6 -19.4 4.3 99.3 -9 555 No stop 17 19 45 --- 10 45 12 56.4 -19.4 4.4 98.4 211 584 17 16 06 17 20 10 J0617+7816 10 45 37 56.4 -19.6 4.4 98.0 16 584 17 20 10 17 21 20 --- 10 46 47 56.3 -19.6 4.4 97.7 70 593 17 20 11 17 21 20 NGC2146 10 46 47 56.3 -19.5 4.4 98.0 -9 593 No stop 17 25 00 --- 10 50 28 56.2 -19.5 4.5 97.0 211 621 17 21 21 17 25 00 J0617+7816 10 50 28 56.1 -19.7 4.5 96.7 -9 621 No stop 17 26 20 --- 10 51 48 56.1 -19.7 4.5 96.4 71 631 17 25 01 17 26 20 NGC2146 10 51 48 56.1 -19.5 4.5 96.7 -9 631 No stop 17 30 00 --- 10 55 28 55.9 -19.5 4.6 95.8 211 660 17 26 21 17 30 25 J0617+7816 10 55 54 55.9 -19.7 4.6 95.3 16 660 17 30 25 17 31 35 --- 10 57 04 55.8 -19.7 4.6 95.1 70 669 17 30 26 17 31 35 NGC2146 10 57 04 55.8 -19.6 4.6 95.4 -9 669 No stop 17 35 15 --- 11 00 44 55.6 -19.6 4.6 94.4 211 697 17 31 36 17 35 15 J0617+7816 11 00 44 55.6 -19.7 4.7 94.1 -9 697 No stop 17 36 35 --- 11 02 05 55.5 -19.8 4.7 93.8 71 707 17 35 16 17 36 35 NGC2146 11 02 05 55.6 -19.6 4.7 94.1 -9 707 No stop 17 40 15 --- 11 05 45 55.4 -19.6 4.7 93.2 211 736 17 36 36 17 40 40 J0617+7816 11 06 10 55.3 -19.8 4.7 92.8 16 736 17 40 40 17 41 50 --- 11 07 20 55.3 -19.8 4.8 92.5 70 745 17 40 41 17 41 50 NGC2146 11 07 20 55.3 -19.6 4.7 92.8 -9 745 No stop 17 45 30 --- 11 11 01 55.1 -19.6 4.8 91.9 211 773 17 41 51 17 45 30 J0617+7816 11 11 01 55.1 -19.8 4.8 91.6 -9 773 No stop 17 46 50 --- 11 12 21 55.0 -19.8 4.8 91.3 71 783 17 45 31 17 46 50 NGC2146 11 12 21 55.0 -19.6 4.8 91.5 -9 783 No stop 17 50 30 --- 11 16 02 54.9 -19.7 4.9 90.6 211 812 17 46 51 Schedule for TORUN (Code Tr ) Page 5 Dual Frequency Observation of NGC2146 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 ---------------------------------------------------------------------------------------- --- Fri 24 May 2024 Day 145 --- 17 50 55 J0617+7816 11 16 27 54.8 -19.8 4.9 90.2 17 812 17 50 55 17 52 05 --- 11 17 37 54.7 -19.8 4.9 90.0 70 821 17 50 56 17 52 05 NGC2146 11 17 37 54.8 -19.7 4.9 90.3 -8 821 No stop 17 55 45 --- 11 21 18 54.6 -19.7 5.0 89.4 212 849 17 52 06 17 55 45 J0617+7816 11 21 18 54.6 -19.8 5.0 89.1 -8 849 No stop 17 57 05 --- 11 22 38 54.5 -19.8 5.0 88.7 72 859 17 55 46 17 57 05 NGC2146 11 22 38 54.5 -19.6 5.0 89.0 -8 859 No stop 18 00 45 --- 11 26 19 54.3 -19.6 5.1 88.1 212 888 17 57 06 18 01 10 J0617+7816 11 26 44 54.3 -19.8 5.1 87.7 17 888 18 01 10 18 02 20 --- 11 27 54 54.2 -19.8 5.1 87.5 70 897 18 01 11 18 02 20 NGC2146 11 27 54 54.3 -19.6 5.1 87.7 -8 897 No stop 18 06 00 --- 11 31 34 54.1 -19.6 5.2 86.9 212 925 18 02 21 18 06 00 J0617+7816 11 31 34 54.0 -19.8 5.2 86.6 -8 925 No stop 18 07 20 --- 11 32 55 54.0 -19.8 5.2 86.3 72 935 18 06 01 18 07 20 NGC2146 11 32 55 54.0 -19.6 5.2 86.5 -8 935 No stop 18 11 00 --- 11 36 35 53.8 -19.6 5.2 85.7 212 964 18 07 21 18 11 25 J0617+7816 11 37 00 53.8 -19.7 5.3 85.3 17 964 18 11 25 18 12 35 --- 11 38 10 53.7 -19.7 5.3 85.0 70 973 18 11 26 18 12 35 NGC2146 11 38 10 53.7 -19.6 5.3 85.3 -8 973 No stop 18 16 15 --- 11 41 51 53.6 -19.6 5.3 84.4 212 1001 18 12 36 18 16 15 J0617+7816 11 41 51 53.5 -19.7 5.3 84.1 -8 1001 No stop 18 17 35 --- 11 43 11 53.5 -19.7 5.4 83.8 72 1011 18 16 16 18 17 35 NGC2146 11 43 11 53.5 -19.5 5.3 84.1 -8 1011 No stop 18 21 15 --- 11 46 52 53.3 -19.5 5.4 83.2 212 1040 18 17 36 18 21 40 J0617+7816 11 47 17 53.2 -19.6 5.4 82.8 17 1040 18 21 40 18 22 50 --- 11 48 27 53.2 -19.6 5.4 82.6 70 1049 18 21 41 18 22 50 NGC2146 11 48 27 53.2 -19.5 5.4 82.8 -8 1049 No stop 18 26 45 --- 11 52 23 53.0 -19.4 5.5 81.9 227 1079 18 22 51 18 27 00 0716+714 11 52 38 56.4 -32.2 4.5 86.5 -25 1079 18 27 00 18 30 00 --- 11 55 38 56.1 -32.2 4.5 85.8 155 1102 18 27 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess224.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: 7 Station: TORUN 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= 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 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 9 1 9 2 10 2 10 BBC SB= U U L L U U L L IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 7 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= 673.51 673.51 673.51 673.51 609.51 609.51 609.51 609.51 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 7 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) * NGC2146 06 10 40.107791 * 06 18 37.585516 06 22 23.706396 0.00 78 22 28.31056 * 78 21 24.26303 78 20 58.15033 0.00 From catalog imbedded in main SCHED input file. * J0617+7816 06 10 01.907777 * 06 17 56.932792 06 21 41.910059 0.00 78 17 08.57455 * 78 16 07.39406 78 15 42.67859 0.00 From catalog imbedded in main SCHED input file. * 0716+714 07 16 13.029730 * 07 21 53.448465 07 24 35.616999 0.01 J0721+7120 71 26 15.17409 * 71 20 36.36343 71 18 03.56928 0.00 J0721+71 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc2016 GSFC 2016a X/S astro solution, 79366 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 NGC2146 sess224.L1024 1 2 3 4 5 6 7 8 1.649 43.184 J0617+7816 sess224.L1024 1 2 3 4 5 6 7 8 0.569 12.413 0716+714 sess224.L1024 1 2 3 4 5 6 7 8 0.158 3.836 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) NGC2146 59.5 J0617+7816 59.4 0716+714 57.7 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