COVER INFORMATION Station: HART (Code Hh ) Experiment: Resolving the mystery of large VLBI-Gaia offsets Exp. Code: ek046d Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Yuri Kovalev Address: Lebedev Physical Institute Profsoyuznaya 84/32 Moscow 117997 Russia Phone: +7 (495) 3332167 EMAIL: yyk@asc.rssi.ru Fax: +7 (495) 3332378 Phone during observation: +7 (915) 1546281 Observing mode: continuum Notes: Schedule for HART (Code Hh ) Page 2 Resolving the mystery of large VLBI-Gaia offsets 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 ---------------------------------------------------------------------------------------- --- Tue 5 Nov 2019 Day 309 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 100.49 100.49 100.49 100.49 132.49 132.49 132.49 132.49 164.49 164.49 164.49 164.49 196.49 196.49 196.49 196.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 23 42 34 J0741+3112 04 32 58 17.2 41.2 -3.2 0.0 0 0 23 42 34 23 46 01 =0738+313 04 36 25 17.7 40.7 -3.1 0.0 207 27 23 42 35 23 46 29 J0745+3142 04 36 53 16.7 41.0 -3.2 0.0 0 27 23 46 29 23 49 56 =0742+318 04 40 21 17.2 40.4 -3.1 0.0 207 53 23 46 30 23 50 48 J0815+3635 04 41 13 9.6 41.2 -3.6 0.0 10 53 23 50 48 23 54 15 =0812+367 04 44 40 10.1 40.7 -3.5 0.0 207 80 23 50 49 23 55 51 J0839+1802 04 46 17 18.1 58.7 -3.9 0.0 32 80 23 55 51 23 59 18 =0836+182 04 49 44 18.8 58.2 -3.8 0.0 207 107 23 55 52 --- Start: Tue 5 Nov 2019 Day 309 -- Stop: Wed 6 Nov 2019 Day 310 --- 23 59 44 J0842+1835 04 50 10 18.1 58.0 -3.9 0.0 0 107 23 59 44 00 03 11 =0839+187 04 53 38 18.7 57.5 -3.8 0.0 207 133 23 59 45 01 27 54 J0741+3112 06 18 35 29.5 20.6 -1.4 0.0 5025 133 01 27 54 01 31 21 =0738+313 06 22 02 29.8 19.8 -1.3 0.0 207 160 01 27 55 01 31 48 J0745+3142 06 22 30 29.0 20.5 -1.4 0.0 0 160 01 31 48 01 35 15 =0742+318 06 25 58 29.3 19.7 -1.3 0.0 207 187 01 31 49 01 36 17 J0815+3635 06 26 59 22.4 23.6 -1.8 0.0 19 187 01 36 17 01 39 44 =0812+367 06 30 27 22.8 22.9 -1.8 0.0 207 213 01 36 18 01 41 20 J0839+1802 06 32 03 36.1 38.8 -2.1 0.0 32 213 01 41 20 01 44 47 =0836+182 06 35 31 36.6 38.0 -2.1 0.0 207 240 01 41 21 01 45 13 J0842+1835 06 35 57 35.9 38.1 -2.1 0.0 0 240 01 45 13 01 48 40 =0839+187 06 39 24 36.4 37.3 -2.1 0.0 207 267 01 45 14 01 50 03 J0940+2603 06 40 48 22.3 43.5 -3.0 0.0 27 267 01 50 03 01 53 30 =0937+262 06 44 15 22.8 42.9 -3.0 0.0 207 293 01 50 04 02 59 00 J1159+2914 07 49 56 8.5 51.7 -4.2 0.0 3834 293 02 59 00 03 02 27 =1156+295 07 53 24 9.1 51.2 -4.1 0.0 207 320 02 59 01 Schedule for HART (Code Hh ) Page 3 Resolving the mystery of large VLBI-Gaia offsets 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 ---------------------------------------------------------------------------------------- --- Wed 6 Nov 2019 Day 310 --- 03 04 38 J0940+2603 07 55 35 32.2 28.2 -1.8 0.0 33 320 03 04 38 03 08 05 =0937+262 07 59 02 32.6 27.4 -1.7 0.0 207 347 03 04 39 03 44 34 J0741+3112 08 35 38 31.6 346.6 0.9 0.0 2102 347 03 44 34 03 48 01 =0738+313 08 39 05 31.4 345.8 0.9 0.0 207 373 03 44 35 03 48 29 J0745+3142 08 39 33 31.1 346.9 0.9 0.0 0 373 03 48 29 03 51 56 =0742+318 08 43 01 30.9 346.1 0.9 0.0 207 400 03 48 30 03 53 26 J0815+3635 08 44 31 27.2 353.7 0.5 0.0 48 400 03 53 26 03 56 53 =0812+367 08 47 59 27.2 352.9 0.5 0.0 207 427 03 53 27 03 59 24 J0839+1802 08 50 30 46.1 356.6 0.2 0.0 86 427 03 59 24 04 02 51 =0836+182 08 53 57 46.0 355.4 0.2 0.0 207 453 03 59 25 04 03 17 J0842+1835 08 54 23 45.5 356.2 0.2 0.0 0 453 04 03 17 04 06 44 =0839+187 08 57 51 45.4 355.0 0.2 0.0 207 480 04 03 18 04 08 27 J0940+2603 08 59 34 37.2 11.8 -0.7 0.0 47 480 04 08 27 04 11 54 =0937+262 09 03 02 37.3 10.8 -0.6 0.0 207 507 04 08 28 04 13 45 J1023+3948 09 04 54 21.8 16.4 -1.3 0.0 57 507 04 13 45 04 17 12 =1020+400 09 08 21 22.1 15.7 -1.3 0.0 207 533 04 13 46 04 19 09 J1159+2914 09 10 18 21.5 39.4 -2.8 0.0 42 533 04 19 09 04 22 36 =1156+295 09 13 46 22.0 38.8 -2.8 0.0 207 560 04 19 10 06 08 11 J1331+3030 10 59 38 22.9 35.3 -2.5 0.0 6262 560 06 08 11 06 11 38 =1328+307 11 03 06 23.4 34.6 -2.5 0.0 207 587 06 08 12 06 12 36 J1407+2827 11 04 04 20.1 42.3 -3.1 0.0 13 587 06 12 36 06 16 03 =1404+286 11 07 31 20.6 41.7 -3.0 0.0 207 613 06 12 37 06 23 42 J0839+1802 11 15 12 32.2 315.4 2.6 0.0 267 613 06 23 42 06 27 09 =0836+182 11 18 39 31.7 314.7 2.6 0.0 207 640 06 23 43 06 27 35 J0842+1835 11 19 05 31.6 315.5 2.6 0.0 0 640 06 27 35 06 31 02 =0839+187 11 22 33 31.1 314.8 2.7 0.0 207 667 06 27 36 06 32 34 J0940+2603 11 24 05 32.5 332.5 1.7 0.0 36 667 06 32 34 06 36 01 =0937+262 11 27 32 32.2 331.7 1.8 0.0 207 693 06 32 35 06 37 53 J1023+3948 11 29 25 22.7 346.5 1.1 0.0 58 693 06 37 53 06 41 20 =1020+400 11 32 53 22.5 345.8 1.1 0.0 207 720 06 37 54 Schedule for HART (Code Hh ) Page 4 Resolving the mystery of large VLBI-Gaia offsets 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 ---------------------------------------------------------------------------------------- --- Wed 6 Nov 2019 Day 310 --- 06 43 34 J1159+2914 11 35 07 34.6 6.7 -0.4 0.0 59 720 06 43 34 06 47 01 =1156+295 11 38 34 34.7 5.8 -0.4 0.0 207 747 06 43 35 06 48 45 J1331+3030 11 40 19 27.7 27.1 -1.9 0.0 32 747 06 48 45 06 52 12 =1328+307 11 43 46 28.0 26.4 -1.8 0.0 207 773 06 48 46 06 53 10 J1407+2827 11 44 44 25.8 34.8 -2.4 0.0 13 773 06 53 10 06 56 37 =1404+286 11 48 12 26.2 34.2 -2.3 0.0 207 800 06 53 11 07 50 57 J0940+2603 12 42 41 22.2 316.3 3.0 0.0 3099 800 07 50 57 07 54 24 =0937+262 12 46 08 21.6 315.7 3.1 0.0 207 827 07 50 58 07 55 52 J0839+1802 12 47 37 15.7 299.5 4.1 0.0 31 827 07 55 52 07 59 19 =0836+182 12 51 05 15.0 299.0 4.2 0.0 207 853 07 55 53 07 59 45 J0842+1835 12 51 31 15.1 299.8 4.1 0.0 0 853 07 59 45 08 03 12 =0839+187 12 54 58 14.4 299.3 4.2 0.0 207 880 07 59 46 08 05 42 J1023+3948 12 57 28 15.3 330.4 2.6 0.0 72 880 08 05 42 08 09 09 =1020+400 13 00 56 14.9 329.8 2.6 0.0 207 907 08 05 43 08 17 15 J1159+2914 13 09 04 32.6 342.2 1.1 0.0 412 907 08 17 15 08 20 42 =1156+295 13 12 31 32.3 341.4 1.2 0.0 207 933 08 17 16 08 23 11 J1331+3030 13 15 01 33.6 4.4 -0.3 0.0 77 933 08 23 11 08 26 38 =1328+307 13 18 28 33.6 3.5 -0.2 0.0 207 960 08 23 12 08 27 38 J1407+2827 13 19 28 34.5 12.9 -0.8 0.0 14 960 08 27 38 08 31 05 =1404+286 13 22 55 34.7 12.0 -0.7 0.0 207 987 08 27 39 08 52 03 J1331+3030 13 43 57 33.6 356.9 0.2 0.0 1213 987 08 52 03 08 55 30 =1328+307 13 47 24 33.6 356.0 0.3 0.0 207 1013 08 52 04 08 56 26 J1407+2827 13 48 21 35.5 5.3 -0.3 0.0 12 1013 08 56 26 08 59 53 =1404+286 13 51 49 35.6 4.3 -0.3 0.0 207 1040 08 56 27 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.L1024 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq_RDBE.dat: hh18cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 122.49 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 8 Station: HART Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 15 Setup file default. Used with PCAL = off LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 100.49 100.49 100.49 100.49 132.49 132.49 132.49 132.49 164.49 164.49 164.49 164.49 196.49 196.49 196.49 196.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 15 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 0149+710 01 49 20.806509 * 01 53 25.851060 01 55 06.743402 0.52 * J0153+7115 71 00 20.67761 * 71 15 06.46340 71 20 56.22136 0.14 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 185 observations 0738+313 07 38 00.178552 * 07 41 10.703301 07 42 25.354042 0.12 * J0741+3112 31 19 02.05890 * 31 12 00.22889 31 09 06.43516 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 11407 observations 0742+318 07 42 30.742935 * 07 45 41.671441 07 46 56.445823 0.18 * J0745+3142 31 50 16.25936 * 31 42 56.61744 31 39 55.68115 0.18 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 111 observations 0812+367 08 12 10.710945 * 08 15 25.944864 08 16 42.155806 0.13 * J0815+3635 36 44 27.45312 * 36 35 15.14877 36 31 28.57462 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 4342 observations 0820+560 08 20 53.203690 * 08 24 47.236366 08 26 18.340663 0.18 * J0824+5552 56 02 27.45540 * 55 52 42.66931 55 48 36.88811 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 5477 observations 0836+182 08 36 40.098254 * 08 39 30.721374 08 40 37.240807 0.13 * J0839+1802 18 13 24.80253 * 18 02 47.14256 17 58 34.35429 0.16 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 716 observations 0839+187 08 39 14.084300 * 08 42 05.094176 08 43 11.745347 0.11 * J0842+1835 18 46 27.27510 * 18 35 40.99057 18 31 24.66786 0.11 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 2039 observations 0850+581 08 50 50.156150 * 08 54 41.996414 08 56 11.830606 0.20 * J0854+5757 58 08 55.67772 * 57 57 29.93906 57 52 44.56777 0.11 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1344 observations 0937+262 09 37 22.003670 * 09 40 14.722784 09 41 21.609796 0.16 * J0940+2603 26 17 07.70830 * 26 03 29.94570 25 58 05.11602 0.25 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 65 observations 1003+830 10 03 25.755735 * 10 10 15.783048 10 12 45.680321 1.25 * J1010+8250 83 04 56.60730 * 82 50 14.38373 82 44 08.01072 0.14 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 190 observations 1020+400 10 20 14.564689 * 10 23 11.565665 10 24 19.640819 0.13 * J1023+3948 40 03 26.57363 * 39 48 15.38532 39 42 10.79938 0.11 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1594 observations 1124+455 11 24 13.766459 * 11 26 57.654951 11 28 00.071931 0.19 * J1126+4516 45 32 36.89523 * 45 16 06.28414 45 09 32.25109 0.17 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 169 observations 1146+531 11 46 18.019057 * 11 48 56.569084 11 49 56.478351 0.24 * J1148+5254 53 11 05.71063 * 52 54 25.32289 52 47 46.87083 0.14 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 159 observations 1156+295 11 56 57.786210 * 11 59 31.833911 12 00 30.634196 0.11 * J1159+2914 29 31 25.73872 * 29 14 43.82682 29 08 11.55646 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 93824 observations 1214+588 12 14 44.916752 * 12 17 11.018812 12 18 05.594147 0.38 * J1217+5835 58 52 05.64160 * 58 35 26.24606 58 28 48.87552 0.20 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 190 observations 1231+481 12 31 50.237054 * 12 34 13.330775 12 35 07.227671 0.19 * J1234+4753 48 10 22.70476 * 47 53 51.23617 47 47 20.49272 0.15 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 395 observations 1328+307 13 28 49.657783 * 13 31 08.288075 13 32 00.775167 0.18 * J1331+3030 30 45 58.64055 * 30 30 32.95919 30 24 35.02142 0.17 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 603 observations 1333+459 13 33 15.707444 * 13 35 21.962227 13 36 09.210698 0.20 * J1335+4542 45 57 56.43914 * 45 42 38.23211 45 36 40.78278 0.13 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 136 observations 1404+286 14 04 45.615157 * 14 07 00.394415 14 07 51.366421 0.11 * J1407+2827 28 41 29.23512 * 28 27 14.69015 28 21 46.78747 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 72228 observations 1435+638 14 35 37.240605 * 14 36 45.802154 14 37 09.468610 0.23 * J1436+6336 63 49 35.85998 * 63 36 37.86631 63 31 36.94949 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1906 observations 1623+578 16 23 27.706688 * 16 24 24.807567 16 24 44.710770 0.19 * J1624+5741 57 48 03.95393 * 57 41 16.28097 57 38 48.72499 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 6591 observations 1637+574 16 37 17.425181 * 16 38 13.456296 16 38 33.021037 0.19 * J1638+5720 57 26 15.76131 * 57 20 23.97902 57 18 19.19164 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 11099 observations 1656+477 16 56 39.600756 * 16 58 02.779585 16 58 33.432097 0.15 * J1658+4737 47 42 19.63006 * 47 37 49.23077 47 36 17.89572 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1396 observations 1928+738 19 28 49.350194 * 19 27 48.495147 19 27 22.389592 0.37 * J1927+7358 73 51 44.92748 * 73 58 01.56992 74 00 47.69543 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 7201 observations 2030+547 20 30 29.095869 * 20 31 47.958535 20 32 18.390786 0.18 * J2031+5455 54 44 49.23056 * 54 55 03.13949 54 59 24.35439 0.11 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1783 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 J0153+7115 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 24.134 J0741+3112 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 25.216 J0745+3142 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 26.842 J0815+3635 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 26.115 J0824+5552 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 21.959 J0839+1802 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 23.991 J0842+1835 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 25.512 J0854+5757 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 21.793 J0940+2603 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 26.993 J1010+8250 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.891 J1023+3948 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 23.493 J1126+4516 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 21.708 J1148+5254 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.086 J1159+2914 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 26.483 J1217+5835 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.219 J1234+4753 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.125 J1331+3030 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 28.981 J1335+4542 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 20.306 J1407+2827 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 27.808 J1436+6336 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.240 J1624+5741 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 20.924 J1638+5720 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 20.197 J1658+4737 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 18.758 J1927+7358 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 20.788 J2031+5455 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 18.876 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) J0153+7115 124.0 J0741+3112 111.1 J0745+3142 110.2 J0815+3635 104.7 J0824+5552 105.5 J0839+1802 95.6 J0842+1835 95.1 J0854+5757 101.8 J0940+2603 84.5 J1010+8250 103.0 J1023+3948 82.0 J1126+4516 75.4 J1148+5254 78.2 J1159+2914 59.8 J1217+5835 80.1 J1234+4753 69.8 J1331+3030 49.4 J1335+4542 63.4 J1407+2827 45.1 J1436+6336 79.4 J1624+5741 76.4 J1638+5720 76.9 J1658+4737 70.3 J1927+7358 100.1 J2031+5455 101.3 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