COVER INFORMATION Station: CAMBG32M (Code Cm ) Experiment: Nuclear Outflows Exp. Code: EC088F Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Sina Chen Address: Technion Technion Haifa Israel Phone: +972-58-6274695 EMAIL: sina.chen@campus.technion.ac.il Fax: Phone during observation: +972-58-6274695 Observing mode: vlbi Notes: COVER LETTER: Schedule for CAMBG32M (Code Cm ) Page 2 Nuclear Outflows 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 ---------------------------------------------------------------------------------------- --- Sat 25 Feb 2023 Day 56 --- Next scan frequencies: 4926.49 4926.49 Next BBC frequencies: 737.51 737.51 Next scan bandwidths: 64.00 64.00 20 00 00 J1159+2914 06 21 51 25.7 434.9 -5.6 -42.7 0 0 20 00 00 20 05 00 =1156+295 06 26 51 26.4 435.8 -5.6 -42.9 300 19 20 00 01 20 06 30 J1213+1307 06 28 22 12.3 444.6 -5.8 -38.8 31 19 20 06 30 20 08 30 --- 06 30 22 12.6 445.0 -5.7 -38.8 120 27 20 06 31 20 08 30 PG1211+143 06 30 22 13.2 444.2 -5.8 -39.0 -13 27 No stop 20 12 10 --- 06 34 03 13.8 444.9 -5.7 -39.0 207 41 20 08 31 20 12 10 J1213+1307 06 34 03 13.2 445.7 -5.7 -38.9 -13 41 No stop 20 14 10 --- 06 36 03 13.5 446.1 -5.6 -38.9 107 49 20 12 11 20 14 10 PG1211+143 06 36 03 14.1 445.3 -5.7 -39.0 -13 49 No stop 20 17 50 --- 06 39 43 14.6 446.0 -5.6 -39.1 207 63 20 14 11 20 18 20 J1213+1307 06 40 14 14.1 446.9 -5.6 -38.9 17 63 20 18 20 20 19 50 --- 06 41 44 14.3 447.2 -5.5 -39.0 90 69 20 18 21 20 19 50 PG1211+143 06 41 44 15.0 446.4 -5.6 -39.1 -13 69 No stop 20 23 30 --- 06 45 24 15.5 447.2 -5.5 -39.1 207 83 20 19 51 20 23 30 J1213+1307 06 45 24 14.9 447.9 -5.5 -39.0 -13 83 No stop 20 25 30 --- 06 47 25 15.2 448.3 -5.5 -39.0 107 91 20 23 31 20 25 30 PG1211+143 06 47 25 15.8 447.5 -5.5 -39.1 -13 91 No stop 20 29 10 --- 06 51 05 16.4 448.3 -5.4 -39.2 207 105 20 25 31 20 29 40 J1213+1307 06 51 35 15.9 449.1 -5.4 -39.0 17 105 20 29 40 20 31 10 --- 06 53 06 16.1 449.4 -5.4 -39.0 90 111 20 29 41 20 31 10 PG1211+143 06 53 06 16.7 448.7 -5.4 -39.2 -13 111 No stop 20 34 50 --- 06 56 46 17.3 449.4 -5.3 -39.2 207 125 20 31 11 20 34 50 J1213+1307 06 56 46 16.7 450.1 -5.3 -39.0 -13 125 No stop 20 36 50 --- 06 58 47 17.0 450.5 -5.3 -39.0 107 133 20 34 51 20 36 50 PG1211+143 06 58 47 17.6 449.8 -5.3 -39.2 -13 133 No stop 20 40 30 --- 07 02 27 18.1 450.5 -5.2 -39.2 207 147 20 36 51 20 41 00 J1213+1307 07 02 57 17.6 451.4 -5.2 -39.0 17 147 20 41 00 20 42 30 --- 07 04 27 17.8 451.7 -5.2 -39.0 90 153 20 41 01 Schedule for CAMBG32M (Code Cm ) Page 3 Nuclear Outflows 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 ---------------------------------------------------------------------------------------- --- Sat 25 Feb 2023 Day 56 --- 20 42 30 PG1211+143 07 04 27 18.4 450.9 -5.2 -39.2 -13 153 No stop 20 46 10 --- 07 08 08 19.0 451.6 -5.1 -39.2 207 167 20 42 31 20 46 10 J1213+1307 07 08 08 18.4 452.4 -5.1 -39.0 -13 167 No stop 20 48 10 --- 07 10 08 18.7 452.8 -5.1 -39.0 107 175 20 46 11 20 48 10 PG1211+143 07 10 08 19.3 452.0 -5.1 -39.2 -13 175 No stop 20 51 50 --- 07 13 49 19.9 452.8 -5.0 -39.1 207 189 20 48 11 20 52 20 J1213+1307 07 14 19 19.3 453.6 -5.0 -38.9 17 189 20 52 20 20 53 50 --- 07 15 49 19.6 453.9 -5.0 -38.9 90 195 20 52 21 20 53 50 PG1211+143 07 15 49 20.2 453.2 -5.0 -39.1 -13 195 No stop 20 57 30 --- 07 19 30 20.7 453.9 -4.9 -39.1 207 209 20 53 51 20 57 30 J1213+1307 07 19 30 20.1 454.7 -4.9 -38.9 -13 209 No stop 20 59 30 --- 07 21 30 20.4 455.1 -4.9 -38.8 107 216 20 57 31 20 59 30 PG1211+143 07 21 30 21.0 454.3 -4.9 -39.1 -13 216 No stop 21 03 10 --- 07 25 11 21.6 455.1 -4.8 -39.0 207 231 20 59 31 21 03 40 J1213+1307 07 25 41 21.1 455.9 -4.8 -38.8 17 231 21 03 40 21 05 10 --- 07 27 11 21.3 456.2 -4.8 -38.7 90 236 21 03 41 21 05 10 PG1211+143 07 27 11 21.9 455.5 -4.8 -39.0 -13 236 No stop 21 08 50 --- 07 30 52 22.5 456.2 -4.7 -38.9 207 251 21 05 11 21 08 50 J1213+1307 07 30 52 21.9 457.0 -4.7 -38.7 -13 251 No stop 21 10 50 --- 07 32 52 22.2 457.4 -4.7 -38.6 107 258 21 08 51 21 10 50 PG1211+143 07 32 52 22.8 456.6 -4.7 -38.9 -13 258 No stop 21 14 30 --- 07 36 33 23.3 457.4 -4.6 -38.8 207 272 21 10 51 21 15 00 J1213+1307 07 37 03 22.8 458.3 -4.6 -38.5 17 272 21 15 00 21 16 30 --- 07 38 33 23.0 458.6 -4.6 -38.5 90 278 21 15 01 21 16 30 PG1211+143 07 38 33 23.6 457.8 -4.6 -38.8 -13 278 No stop 21 20 10 --- 07 42 14 24.2 458.6 -4.6 -38.7 207 292 21 16 31 21 20 10 J1213+1307 07 42 14 23.6 459.3 -4.5 -38.4 -13 292 No stop 21 22 10 --- 07 44 14 23.9 459.8 -4.5 -38.3 107 300 21 20 11 21 22 10 PG1211+143 07 44 14 24.5 459.0 -4.5 -38.6 -13 300 No stop 21 25 50 --- 07 47 55 25.1 459.7 -4.5 -38.5 207 314 21 22 11 Schedule for CAMBG32M (Code Cm ) Page 4 Nuclear Outflows 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 ---------------------------------------------------------------------------------------- --- Sat 25 Feb 2023 Day 56 --- 21 26 20 J1213+1307 07 48 25 24.5 460.6 -4.4 -38.2 17 314 21 26 20 21 27 50 --- 07 49 55 24.8 461.0 -4.4 -38.2 90 320 21 26 21 21 27 50 PG1211+143 07 49 55 25.4 460.2 -4.4 -38.5 -13 320 No stop 21 31 30 --- 07 53 36 25.9 460.9 -4.4 -38.3 207 334 21 27 51 21 31 30 J1213+1307 07 53 36 25.3 461.7 -4.4 -38.0 -13 334 No stop 21 33 30 --- 07 55 36 25.6 462.2 -4.3 -38.0 107 342 21 31 31 21 33 30 PG1211+143 07 55 36 26.2 461.4 -4.3 -38.3 -13 342 No stop 21 37 10 --- 07 59 16 26.8 462.1 -4.3 -38.2 207 356 21 33 31 21 37 40 J1213+1307 07 59 47 26.2 463.1 -4.2 -37.8 17 356 21 37 40 21 39 10 --- 08 01 17 26.5 463.4 -4.2 -37.8 90 362 21 37 41 21 39 10 PG1211+143 08 01 17 27.1 462.6 -4.2 -38.1 -13 362 No stop 21 42 50 --- 08 04 57 27.6 463.4 -4.2 -37.9 207 376 21 39 11 21 42 50 J1213+1307 08 04 57 27.0 464.2 -4.2 -37.6 -13 376 No stop 21 44 50 --- 08 06 58 27.3 464.6 -4.1 -37.5 107 384 21 42 51 21 44 50 PG1211+143 08 06 58 27.9 463.8 -4.1 -37.9 -13 384 No stop 21 48 30 --- 08 10 38 28.5 464.6 -4.1 -37.7 207 398 21 44 51 21 49 00 J1213+1307 08 11 08 27.9 465.5 -4.1 -37.3 17 398 21 49 00 21 50 30 --- 08 12 39 28.1 465.8 -4.0 -37.3 90 404 21 49 01 21 50 30 PG1211+143 08 12 39 28.8 465.0 -4.0 -37.6 -13 404 No stop 21 54 00 --- 08 16 09 29.3 465.8 -4.0 -37.4 197 417 21 50 31 21 54 00 J1213+1307 08 16 09 28.7 466.6 -4.0 -37.1 -13 417 No stop 21 56 00 --- 08 18 10 29.0 467.1 -3.9 -37.0 107 425 21 54 01 21 56 00 PG1211+143 08 18 10 29.6 466.3 -4.0 -37.3 -13 425 No stop 21 59 30 --- 08 21 40 30.1 467.0 -3.9 -37.2 197 439 21 56 01 22 00 00 J1213+1307 08 22 10 29.5 468.0 -3.9 -36.8 16 439 22 00 00 22 01 30 --- 08 23 40 29.8 468.3 -3.9 -36.7 90 444 22 00 01 22 02 30 J1159+2914 08 24 41 44.4 458.6 -3.6 -44.0 -1 444 22 02 30 22 06 30 =1156+295 08 28 41 45.0 459.5 -3.5 -43.8 239 460 22 02 31 22 50 10 PG1426+015 09 12 28 7.4 457.6 -5.3 -37.4 2474 460 22 50 10 22 53 50 --- 09 16 09 7.9 458.4 -5.2 -37.4 220 474 22 50 11 Schedule for CAMBG32M (Code Cm ) Page 5 Nuclear Outflows 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 ---------------------------------------------------------------------------------------- --- Sat 25 Feb 2023 Day 56 --- 22 55 50 PG1426+015 09 18 09 8.2 458.8 -5.2 -37.3 116 474 22 55 50 22 59 30 --- 09 21 50 8.8 459.5 -5.1 -37.2 220 488 22 55 51 22 59 30 J1430-0009 09 21 50 7.4 460.1 -5.2 -37.1 -17 488 No stop 23 01 30 --- 09 23 50 7.7 460.5 -5.1 -37.1 103 496 22 59 31 23 01 30 PG1426+015 09 23 50 9.1 459.9 -5.1 -37.2 -18 496 No stop 23 05 10 --- 09 27 31 9.7 460.7 -5.0 -37.1 202 510 23 01 31 23 05 40 J1430-0009 09 28 01 8.4 461.4 -5.1 -37.0 13 510 23 05 40 23 07 10 --- 09 29 31 8.6 461.7 -5.0 -36.9 90 516 23 05 41 23 07 10 PG1426+015 09 29 31 10.0 461.1 -5.0 -37.0 -18 516 No stop 23 10 50 --- 09 33 12 10.5 461.8 -5.0 -36.9 202 530 23 07 11 23 10 50 J1430-0009 09 33 12 9.2 462.4 -5.0 -36.8 -17 530 No stop 23 12 50 --- 09 35 12 9.5 462.8 -4.9 -36.7 103 538 23 10 51 23 12 50 PG1426+015 09 35 12 10.8 462.2 -4.9 -36.8 -18 538 No stop 23 16 30 --- 09 38 53 11.4 463.0 -4.9 -36.7 202 552 23 12 51 23 17 00 J1430-0009 09 39 23 10.1 463.7 -4.9 -36.6 13 552 23 17 00 23 18 30 --- 09 40 53 10.3 464.0 -4.8 -36.5 90 558 23 17 01 23 18 30 PG1426+015 09 40 53 11.7 463.4 -4.8 -36.6 -18 558 No stop 23 22 10 --- 09 44 34 12.2 464.1 -4.8 -36.5 202 572 23 18 31 23 22 10 J1430-0009 09 44 34 10.8 464.7 -4.8 -36.4 -17 572 No stop 23 24 10 --- 09 46 34 11.1 465.1 -4.8 -36.3 103 580 23 22 11 23 24 10 PG1426+015 09 46 34 12.5 464.6 -4.7 -36.4 -18 580 No stop 23 27 50 --- 09 50 15 13.1 465.3 -4.7 -36.3 202 594 23 24 11 23 28 20 J1430-0009 09 50 45 11.8 466.0 -4.7 -36.1 13 594 23 28 20 23 29 50 --- 09 52 15 12.0 466.3 -4.7 -36.1 90 600 23 28 21 23 29 50 PG1426+015 09 52 15 13.4 465.7 -4.6 -36.2 -18 600 No stop 23 33 30 --- 09 55 56 13.9 466.5 -4.6 -36.0 202 614 23 29 51 23 33 30 J1430-0009 09 55 56 12.5 467.1 -4.6 -35.9 -17 614 No stop 23 35 30 --- 09 57 56 12.8 467.5 -4.6 -35.8 103 622 23 33 31 23 35 30 PG1426+015 09 57 56 14.2 466.9 -4.5 -35.9 -18 622 No stop 23 39 10 --- 10 01 37 14.7 467.7 -4.5 -35.8 202 636 23 35 31 Schedule for CAMBG32M (Code Cm ) Page 6 Nuclear Outflows 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 ---------------------------------------------------------------------------------------- --- Sat 25 Feb 2023 Day 56 --- 23 39 40 J1430-0009 10 02 07 13.4 468.4 -4.5 -35.6 13 636 23 39 40 23 41 10 --- 10 03 37 13.6 468.7 -4.5 -35.5 90 642 23 39 41 23 41 10 PG1426+015 10 03 37 15.0 468.1 -4.4 -35.7 -18 642 No stop 23 44 50 --- 10 07 17 15.6 468.9 -4.4 -35.5 202 656 23 41 11 23 44 50 J1430-0009 10 07 17 14.2 469.4 -4.4 -35.3 -17 656 No stop 23 46 50 --- 10 09 18 14.5 469.9 -4.4 -35.2 103 663 23 44 51 23 46 50 PG1426+015 10 09 18 15.8 469.3 -4.3 -35.4 -18 663 No stop 23 50 30 --- 10 12 58 16.4 470.1 -4.3 -35.2 202 678 23 46 51 23 51 00 J1430-0009 10 13 28 15.1 470.7 -4.3 -35.0 13 678 23 51 00 23 52 30 --- 10 14 59 15.3 471.1 -4.3 -34.9 90 683 23 51 01 23 52 30 PG1426+015 10 14 59 16.7 470.5 -4.3 -35.1 -18 683 No stop 23 56 10 --- 10 18 39 17.2 471.3 -4.2 -34.9 202 698 23 52 31 23 56 10 J1430-0009 10 18 39 15.8 471.8 -4.2 -34.7 -17 698 No stop 23 58 10 --- 10 20 40 16.1 472.3 -4.2 -34.6 103 705 23 56 11 --- Start: Sat 25 Feb 2023 Day 56 -- Stop: Sun 26 Feb 2023 Day 57 --- 23 58 10 PG1426+015 10 20 40 17.5 471.7 -4.2 -34.7 -18 705 No stop 00 01 50 --- 10 24 20 18.0 472.5 -4.1 -34.5 202 719 23 58 11 00 02 20 J1430-0009 10 24 50 16.7 473.2 -4.1 -34.3 13 719 00 02 20 00 03 50 --- 10 26 21 16.9 473.5 -4.1 -34.2 90 725 00 02 21 00 03 50 PG1426+015 10 26 21 18.3 473.0 -4.1 -34.4 -18 725 No stop 00 07 30 --- 10 30 01 18.8 473.8 -4.0 -34.2 202 739 00 03 51 00 07 30 J1430-0009 10 30 01 17.4 474.3 -4.0 -34.0 -18 739 No stop 00 09 30 --- 10 32 01 17.7 474.7 -4.0 -33.9 102 747 00 07 31 00 09 30 PG1426+015 10 32 01 19.1 474.2 -4.0 -34.0 -18 747 No stop 00 13 10 --- 10 35 42 19.6 475.0 -3.9 -33.8 202 761 00 09 31 00 13 40 J1430-0009 10 36 12 18.3 475.6 -3.9 -33.6 12 761 00 13 40 00 15 10 --- 10 37 42 18.5 476.0 -3.9 -33.5 90 767 00 13 41 00 15 10 PG1426+015 10 37 42 19.9 475.4 -3.9 -33.6 -18 767 No stop 00 18 40 --- 10 41 13 20.4 476.2 -3.8 -33.4 192 781 00 15 11 Schedule for CAMBG32M (Code Cm ) Page 7 Nuclear Outflows 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 26 Feb 2023 Day 57 --- 00 18 40 J1430-0009 10 41 13 19.0 476.7 -3.8 -33.2 -18 781 No stop 00 20 40 --- 10 43 13 19.2 477.2 -3.8 -33.1 102 788 00 18 41 00 20 40 PG1426+015 10 43 13 20.6 476.7 -3.8 -33.2 -18 788 No stop 00 24 10 --- 10 46 44 21.1 477.5 -3.7 -33.0 192 802 00 20 41 00 24 40 J1430-0009 10 47 14 19.8 478.1 -3.7 -32.8 12 802 00 24 40 00 26 10 --- 10 48 44 20.0 478.4 -3.7 -32.6 90 808 00 24 41 00 27 00 J1430+1043 10 49 34 29.2 472.0 -3.7 -35.3 6 808 00 27 00 00 30 00 =1427+109 10 52 35 29.6 472.7 -3.6 -35.1 180 819 00 27 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess123.C2048 --- 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: 13 Station: CAMBG32M Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 5664.00 5664.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 11 Setup file default. Used with PCAL = off LO sum= 4926.49 4926.49 BBC fr= 737.51 737.51 Bandwd= 64.00 64.00 Matching frequency sets: 11 12 13 14 15 Track assignments are: track1= 1, 2 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * PG1211+143 12 11 44.867507 * 12 14 17.670000 12 15 29.075516 0.00 14 19 53.50242 * 14 03 13.10000 13 55 23.66893 0.00 From catalog imbedded in main SCHED input file. * J1213+1307 12 10 59.250650 * 12 13 32.170500 12 14 43.622618 0.00 13 24 01.49571 * 13 07 20.90500 12 59 31.53729 0.00 From catalog imbedded in main SCHED input file. * PG1426+015 14 26 33.792063 * 14 29 06.588000 14 30 17.395562 0.00 01 30 27.21137 * 01 17 06.48000 01 10 48.35602 0.00 From catalog imbedded in main SCHED input file. * J1430-0009 14 27 57.497435 * 14 30 31.301900 14 31 42.560303 0.00 00 04 09.41730 *-00 09 07.61700 -00 15 23.61325 0.00 From catalog imbedded in main SCHED input file. 1156+295 11 56 57.786211 * 11 59 31.833912 12 00 44.057478 0.00 * J1159+2914 29 31 25.73880 * 29 14 43.82690 29 06 52.85045 0.00 J1159+29 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 78215 observations. 1427+109 14 27 43.700718 * 14 30 09.738797 14 31 17.485611 0.06 * J1430+1043 10 56 44.61950 * 10 43 26.86236 10 37 07.26967 0.12 J1430+10 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 179 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 PG1211+143 sess123.C2048 1 2 3 4 5 6 7 8 9 10 11 16 + 1.217 152.388 J1213+1307 sess123.C2048 1 2 3 4 5 6 7 8 9 10 11 16 + 0.617 73.351 PG1426+015 sess123.C2048 1 2 3 4 5 6 7 8 9 10 11 16 + 1.461 128.603 J1430-0009 sess123.C2048 1 2 3 4 5 6 7 8 9 10 11 16 + 0.733 56.729 J1159+2914 sess123.C2048 1 2 3 4 5 6 7 8 9 10 11 16 + 0.150 19.803 J1430+1043 sess123.C2048 1 2 3 4 5 6 7 8 9 10 11 16 + 0.050 6.564 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) PG1211+143 154.9 J1213+1307 155.2 PG1426+015 121.0 J1430-0009 120.4 J1159+2914 151.5 J1430+1043 121.9 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