COVER INFORMATION Station: IRBENE (Code Ir ) Experiment: Confirmation of close dual quasars at z=0.6-2.5 Exp. Code: ES103B Schedule Version: 3.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Yiping SHU Address: Purple Mountain Observatory, Chinese Academy of Sciences No. 10 Yuanhua Road Nanjing China Phone: +86 15946854256 EMAIL: yiping.shu@pmo.ac.cn Fax: Phone during observation: +86 15946854256 Observing mode: vlbi Notes: # Please turn PHASE CAL ON # v3: shorter phase-ref cycle [5min vice 8min] COVER LETTER: Schedule for IRBENE (Code Ir ) Page 2 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 730.49 730.49 730.49 730.49 794.49 794.49 794.49 794.49 858.49 858.49 858.49 858.49 922.49 922.49 922.49 922.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 02 00 00 J0927+3902 05 33 20 48.3-269.7 -3.9 -43.6 0 0 02 00 00 02 05 00 =4C39.25 05 38 21 49.0-268.7 -3.8 -43.6 300 77 02 00 01 02 06 00 J0919+3324 05 39 21 46.0-261.2 -3.7 -39.4 53 77 02 06 00 02 11 00 =0916+336 05 44 22 46.6-260.0 -3.6 -39.2 300 155 02 06 01 02 11 00 SDSSJ0908+34 05 44 22 49.1-258.9 -3.4 -39.9 -4 155 No stop 02 14 00 --- 05 47 22 49.5-258.2 -3.4 -39.7 176 201 02 11 01 02 14 30 J0919+3324 05 47 52 47.1-259.2 -3.5 -39.1 26 201 02 14 30 02 16 30 =0916+336 05 49 53 47.3-258.7 -3.5 -39.0 120 232 02 14 31 02 16 30 SDSSJ0908+34 05 49 53 49.8-257.6 -3.3 -39.6 -4 232 No stop 02 19 30 --- 05 52 53 50.2-256.9 -3.3 -39.5 176 278 02 16 31 02 19 30 J0919+3324 05 52 53 47.7-257.9 -3.5 -38.9 -4 278 No stop 02 21 30 =0916+336 05 54 53 48.0-257.5 -3.4 -38.8 116 309 02 19 31 02 21 30 SDSSJ0908+34 05 54 53 50.4-256.4 -3.3 -39.4 -4 309 No stop 02 24 30 --- 05 57 54 50.8-255.6 -3.2 -39.2 176 356 02 21 31 02 25 00 J0919+3324 05 58 24 48.5-256.6 -3.4 -38.6 26 356 02 25 00 02 27 00 =0916+336 06 00 24 48.7-256.1 -3.3 -38.6 120 386 02 25 01 02 27 00 SDSSJ0908+34 06 00 24 51.2-255.0 -3.2 -39.1 -4 386 No stop 02 30 00 --- 06 03 25 51.6-254.2 -3.1 -38.9 176 433 02 27 01 02 30 00 J0919+3324 06 03 25 49.1-255.4 -3.3 -38.4 -4 433 No stop 02 32 00 =0916+336 06 05 25 49.4-254.9 -3.3 -38.3 116 464 02 30 01 02 32 00 SDSSJ0908+34 06 05 25 51.8-253.7 -3.1 -38.8 -4 464 No stop 02 35 00 --- 06 08 26 52.2-252.9 -3.0 -38.6 176 510 02 32 01 02 35 30 J0919+3324 06 08 56 49.8-254.0 -3.2 -38.1 26 510 02 35 30 02 37 30 =0916+336 06 10 56 50.1-253.5 -3.2 -38.0 120 541 02 35 31 02 37 30 SDSSJ0908+34 06 10 56 52.5-252.2 -3.0 -38.5 -4 541 No stop 02 40 30 --- 06 13 57 52.9-251.4 -2.9 -38.2 176 587 02 37 31 Schedule for IRBENE (Code Ir ) Page 3 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 02 40 30 J0919+3324 06 13 57 50.5-252.7 -3.1 -37.8 -4 587 No stop 02 42 30 =0916+336 06 15 57 50.7-252.2 -3.1 -37.7 116 618 02 40 31 02 42 30 SDSSJ0908+34 06 15 57 53.2-250.9 -2.9 -38.1 -4 618 No stop 02 45 30 --- 06 18 57 53.5-250.1 -2.9 -37.9 176 665 02 42 31 02 46 00 J0919+3324 06 19 27 51.2-251.2 -3.0 -37.4 26 665 02 46 00 02 48 00 =0916+336 06 21 28 51.4-250.7 -3.0 -37.3 120 696 02 46 01 02 48 00 SDSSJ0908+34 06 21 28 53.9-249.4 -2.8 -37.7 -4 696 No stop 02 51 00 --- 06 24 28 54.2-248.6 -2.8 -37.4 176 742 02 48 01 02 51 00 J0919+3324 06 24 28 51.8-249.9 -2.9 -37.1 -4 742 No stop 02 53 00 =0916+336 06 26 29 52.1-249.4 -2.9 -36.9 116 773 02 51 01 02 53 00 SDSSJ0908+34 06 26 29 54.5-248.0 -2.7 -37.3 -4 773 No stop 02 56 00 --- 06 29 29 54.9-247.1 -2.7 -37.0 176 819 02 53 01 02 56 30 J0919+3324 06 29 59 52.5-248.4 -2.8 -36.6 26 819 02 56 30 02 58 30 =0916+336 06 32 00 52.8-247.8 -2.8 -36.5 120 850 02 56 31 02 58 30 SDSSJ0908+34 06 32 00 55.2-246.4 -2.6 -36.8 -4 850 No stop 03 01 30 --- 06 35 00 55.5-245.6 -2.6 -36.5 176 897 02 58 31 03 01 30 J0919+3324 06 35 00 53.1-247.0 -2.8 -36.2 -4 897 No stop 03 03 30 =0916+336 06 37 00 53.4-246.4 -2.7 -36.0 116 927 03 01 31 03 03 30 SDSSJ0908+34 06 37 00 55.8-245.0 -2.6 -36.3 -4 927 No stop 03 06 30 --- 06 40 01 56.1-244.1 -2.5 -36.0 176 974 03 03 31 03 07 00 J0919+3324 06 40 31 53.8-245.4 -2.7 -35.7 26 974 03 07 00 03 09 00 =0916+336 06 42 31 54.0-244.9 -2.6 -35.5 120 1005 03 07 01 03 09 00 SDSSJ0908+34 06 42 31 56.4-243.3 -2.5 -35.7 -4 1005 No stop 03 12 00 --- 06 45 32 56.8-242.4 -2.4 -35.4 176 1051 03 09 01 03 12 00 J0919+3324 06 45 32 54.4-244.0 -2.6 -35.2 -4 1051 No stop 03 14 00 =0916+336 06 47 32 54.6-243.4 -2.5 -35.0 116 1082 03 12 01 03 14 00 SDSSJ0908+34 06 47 32 57.0-241.8 -2.4 -35.1 -4 1082 No stop 03 17 00 --- 06 50 33 57.4-240.9 -2.3 -34.8 176 1128 03 14 01 03 17 30 J0919+3324 06 51 03 55.1-242.3 -2.5 -34.7 26 1128 03 17 30 03 19 30 =0916+336 06 53 03 55.3-241.7 -2.5 -34.4 120 1159 03 17 31 Schedule for IRBENE (Code Ir ) Page 4 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 03 19 30 SDSSJ0908+34 06 53 03 57.7-240.1 -2.3 -34.5 -4 1159 No stop 03 22 30 --- 06 56 03 58.0-239.1 -2.2 -34.1 176 1206 03 19 31 03 22 30 J0919+3324 06 56 03 55.7-240.8 -2.4 -34.1 -4 1206 No stop 03 24 30 =0916+336 06 58 04 55.9-240.2 -2.4 -33.9 116 1237 03 22 31 03 24 30 SDSSJ0908+34 06 58 04 58.3-238.5 -2.2 -33.8 -4 1237 No stop 03 27 30 --- 07 01 04 58.6-237.5 -2.2 -33.4 176 1283 03 24 31 03 28 00 J0919+3324 07 01 34 56.3-239.1 -2.3 -33.4 26 1283 03 28 00 03 30 00 =0916+336 07 03 35 56.5-238.5 -2.3 -33.2 120 1314 03 28 01 03 30 00 SDSSJ0908+34 07 03 35 58.9-236.7 -2.1 -33.1 -4 1314 No stop 03 33 00 --- 07 06 35 59.2-235.6 -2.1 -32.6 176 1360 03 30 01 03 33 00 J0919+3324 07 06 35 56.9-237.5 -2.2 -32.8 -4 1360 No stop 03 35 00 =0916+336 07 08 36 57.1-236.9 -2.2 -32.5 116 1391 03 33 01 03 35 00 SDSSJ0908+34 07 08 36 59.4-235.0 -2.0 -32.3 -4 1391 No stop 03 38 00 --- 07 11 36 59.8-233.9 -2.0 -31.9 176 1438 03 35 01 03 38 30 J0919+3324 07 12 06 57.5-235.7 -2.1 -32.0 26 1438 03 38 30 03 40 30 =0916+336 07 14 06 57.7-235.1 -2.1 -31.8 120 1469 03 38 31 03 40 30 SDSSJ0908+34 07 14 06 60.0-233.1 -1.9 -31.5 -4 1469 No stop 03 43 30 --- 07 17 07 60.4-232.0 -1.9 -31.0 176 1515 03 40 31 03 43 30 J0919+3324 07 17 07 58.0-234.1 -2.1 -31.3 -4 1515 No stop 03 45 30 =0916+336 07 19 07 58.3-233.4 -2.0 -31.0 116 1546 03 43 31 03 45 30 SDSSJ0908+34 07 19 07 60.6-231.3 -1.9 -30.6 -4 1546 No stop 03 48 30 --- 07 22 08 60.9-230.2 -1.8 -30.1 176 1592 03 45 31 03 49 00 J0919+3324 07 22 38 58.6-232.2 -2.0 -30.5 26 1592 03 49 00 03 51 00 =0916+336 07 24 38 58.8-231.5 -1.9 -30.1 120 1623 03 49 01 03 51 00 SDSSJ0908+34 07 24 38 61.1-229.3 -1.8 -29.7 -4 1623 No stop 03 54 00 --- 07 27 39 61.4-228.1 -1.7 -29.1 176 1669 03 51 01 03 54 00 J0919+3324 07 27 39 59.2-230.4 -1.9 -29.7 -4 1669 No stop 03 56 00 =0916+336 07 29 39 59.4-229.7 -1.8 -29.3 116 1700 03 54 01 03 57 00 J0927+3902 07 30 39 63.4-238.5 -2.0 -36.0 52 1700 03 57 00 04 02 00 =4C39.25 07 35 40 63.9-236.7 -1.9 -35.2 300 1778 03 57 01 Schedule for IRBENE (Code Ir ) Page 5 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 04 03 00 J0919+3324 07 36 40 60.1-227.1 -1.7 -28.1 52 1778 04 03 00 04 08 00 =0916+336 07 41 41 60.6-225.3 -1.6 -27.1 300 1855 04 03 01 04 08 00 SDSSJ0908+34 07 41 41 62.8-222.7 -1.5 -26.3 -4 1855 No stop 04 11 00 --- 07 44 41 63.1-221.5 -1.4 -25.6 176 1901 04 08 01 04 11 30 J0919+3324 07 45 12 60.9-223.9 -1.6 -26.5 26 1901 04 11 30 04 13 30 =0916+336 07 47 12 61.1-223.2 -1.6 -26.1 120 1932 04 11 31 04 13 30 SDSSJ0908+34 07 47 12 63.3-220.4 -1.4 -25.1 -4 1932 No stop 04 16 30 --- 07 50 12 63.5-219.2 -1.3 -24.4 176 1979 04 13 31 04 16 30 J0919+3324 07 50 12 61.3-222.0 -1.5 -25.4 -4 1979 No stop 04 18 30 =0916+336 07 52 13 61.5-221.2 -1.5 -25.0 116 2010 04 16 31 04 18 30 SDSSJ0908+34 07 52 13 63.7-218.3 -1.3 -23.9 -4 2010 No stop 04 21 30 --- 07 55 13 63.9-217.0 -1.3 -23.2 176 2056 04 18 31 04 22 00 J0919+3324 07 55 43 61.8-219.8 -1.4 -24.3 26 2056 04 22 00 04 24 00 =0916+336 07 57 44 62.0-219.0 -1.4 -23.8 120 2087 04 22 01 04 24 00 SDSSJ0908+34 07 57 44 64.1-216.0 -1.2 -22.5 -5 2087 No stop 04 27 00 --- 08 00 44 64.4-214.6 -1.2 -21.8 175 2133 04 24 01 04 27 00 J0919+3324 08 00 44 62.2-217.7 -1.3 -23.1 -5 2133 No stop 04 29 00 =0916+336 08 02 44 62.4-216.9 -1.3 -22.7 115 2164 04 27 01 04 29 00 SDSSJ0908+34 08 02 44 64.5-213.8 -1.1 -21.3 -5 2164 No stop 04 32 00 --- 08 05 45 64.8-212.4 -1.1 -20.5 175 2211 04 29 01 04 32 30 J0919+3324 08 06 15 62.7-215.4 -1.2 -21.9 25 2211 04 32 30 04 34 30 =0916+336 08 08 15 62.8-214.6 -1.2 -21.4 120 2241 04 32 31 04 34 30 SDSSJ0908+34 08 08 15 64.9-211.3 -1.0 -19.8 -5 2241 No stop 04 37 30 --- 08 11 16 65.1-209.9 -1.0 -19.0 175 2288 04 34 31 04 37 30 J0919+3324 08 11 16 63.1-213.3 -1.2 -20.6 -5 2288 No stop 04 39 30 =0916+336 08 13 16 63.2-212.4 -1.1 -20.1 115 2319 04 37 31 04 39 30 SDSSJ0908+34 08 13 16 65.3-209.0 -1.0 -18.4 -5 2319 No stop 04 42 30 --- 08 16 17 65.5-207.5 -0.9 -17.6 175 2365 04 39 31 04 43 00 J0919+3324 08 16 47 63.5-210.9 -1.1 -19.2 25 2365 04 43 00 04 45 00 =0916+336 08 18 47 63.6-210.0 -1.0 -18.7 120 2396 04 43 01 Schedule for IRBENE (Code Ir ) Page 6 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 04 45 00 SDSSJ0908+34 08 18 47 65.6-206.4 -0.9 -16.9 -5 2396 No stop 04 48 00 --- 08 21 48 65.8-204.9 -0.8 -16.0 175 2442 04 45 01 04 48 00 J0919+3324 08 21 48 63.8-208.7 -1.0 -17.9 -5 2442 No stop 04 50 00 =0916+336 08 23 48 63.9-207.8 -0.9 -17.4 115 2473 04 48 01 04 50 00 SDSSJ0908+34 08 23 48 65.9-203.9 -0.8 -15.4 -5 2473 No stop 04 53 00 --- 08 26 48 66.1-202.5 -0.7 -14.5 175 2520 04 50 01 04 53 30 J0919+3324 08 27 18 64.1-206.1 -0.9 -16.4 25 2520 04 53 30 04 55 30 =0916+336 08 29 19 64.3-205.2 -0.9 -15.9 120 2551 04 53 31 04 55 30 SDSSJ0908+34 08 29 19 66.2-201.2 -0.7 -13.7 -5 2551 No stop 04 58 30 --- 08 32 19 66.3-199.8 -0.6 -12.8 175 2597 04 55 31 04 58 30 J0919+3324 08 32 19 64.4-203.8 -0.8 -15.0 -5 2597 No stop 05 00 30 =0916+336 08 34 20 64.5-202.9 -0.8 -14.5 115 2628 04 58 31 05 00 30 SDSSJ0908+34 08 34 20 66.4-198.8 -0.6 -12.1 -5 2628 No stop 05 03 30 --- 08 37 20 66.5-197.2 -0.6 -11.2 175 2674 05 00 31 05 04 00 J0919+3324 08 37 50 64.7-201.2 -0.7 -13.4 25 2674 05 04 00 05 06 00 =0916+336 08 39 50 64.8-200.3 -0.7 -12.9 120 2705 05 04 01 05 06 00 SDSSJ0908+34 08 39 50 66.6-196.0 -0.5 -10.3 -5 2705 No stop 05 09 00 --- 08 42 51 66.7-194.4 -0.5 -9.4 175 2752 05 06 01 05 09 00 J0919+3324 08 42 51 64.9-198.8 -0.6 -12.0 -5 2752 No stop 05 11 00 =0916+336 08 44 51 65.0-197.9 -0.6 -11.4 115 2782 05 09 01 05 11 00 SDSSJ0908+34 08 44 51 66.8-193.4 -0.4 -8.7 -5 2782 No stop 05 14 00 --- 08 47 52 66.9-191.8 -0.4 -7.7 175 2829 05 11 01 05 14 30 J0919+3324 08 48 22 65.2-196.1 -0.5 -10.3 25 2829 05 14 30 05 16 30 =0916+336 08 50 22 65.2-195.2 -0.5 -9.7 120 2860 05 14 31 05 16 30 SDSSJ0908+34 08 50 22 67.0-190.5 -0.3 -6.9 -5 2860 No stop 05 19 30 --- 08 53 23 67.0-189.0 -0.3 -5.8 175 2906 05 16 31 05 19 30 J0919+3324 08 53 23 65.3-193.7 -0.5 -8.7 -5 2906 No stop 05 21 30 =0916+336 08 55 23 65.4-192.7 -0.4 -8.1 115 2937 05 19 31 05 21 30 SDSSJ0908+34 08 55 23 67.1-187.9 -0.2 -5.2 -5 2937 No stop 05 24 30 --- 08 58 24 67.1-186.3 -0.2 -4.1 175 2983 05 21 31 Schedule for IRBENE (Code Ir ) Page 7 Confirmation of close dual quasars at z=0.6-2.5 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 23 Oct 2022 Day 296 --- 05 25 00 J0919+3324 08 58 54 65.5-190.9 -0.4 -7.0 25 2983 05 25 00 05 27 00 =0916+336 09 00 54 65.5-189.9 -0.3 -6.4 120 3014 05 25 01 05 27 00 SDSSJ0908+34 09 00 54 67.1-185.0 -0.2 -3.3 -5 3014 No stop 05 30 00 --- 09 03 54 67.2-183.4 -0.1 -2.2 175 3061 05 27 01 05 30 00 J0919+3324 09 03 54 65.6-188.4 -0.3 -5.4 -5 3061 No stop 05 32 00 =0916+336 09 05 55 65.6-187.4 -0.2 -4.7 115 3092 05 30 01 05 32 00 SDSSJ0908+34 09 05 55 67.2-182.4 -0.1 -1.5 -6 3092 No stop 05 35 00 --- 09 08 55 67.2-180.8 -0.0 -0.5 174 3138 05 32 01 05 35 30 J0919+3324 09 09 25 65.7-185.6 -0.2 -3.6 24 3138 05 35 30 05 37 30 =0916+336 09 11 26 65.7-184.6 -0.2 -3.0 120 3169 05 35 31 05 37 30 SDSSJ0908+34 09 11 26 67.2-179.4 0.0 0.4 -6 3169 No stop 05 40 30 --- 09 14 26 67.2-177.8 0.1 1.4 174 3215 05 37 31 05 40 30 J0919+3324 09 14 26 65.7-183.1 -0.1 -2.0 -6 3215 No stop 05 42 30 =0916+336 09 16 26 65.8-182.1 -0.1 -1.3 114 3246 05 40 31 05 42 30 SDSSJ0908+34 09 16 26 67.2-176.8 0.1 2.1 -6 3246 No stop 05 45 30 --- 09 19 27 67.1-175.2 0.2 3.1 174 3293 05 42 31 05 46 00 J0919+3324 09 19 57 65.8-180.3 -0.0 -0.2 24 3293 05 46 00 05 48 00 =0916+336 09 21 57 65.8-179.3 0.0 0.5 120 3324 05 46 01 05 48 00 SDSSJ0908+34 09 21 57 67.1-173.9 0.2 4.0 -6 3324 No stop 05 51 00 --- 09 24 58 67.1-172.3 0.2 5.0 174 3370 05 48 01 05 51 00 J0919+3324 09 24 58 65.8-177.7 0.1 1.5 -6 3370 No stop 05 53 00 =0916+336 09 26 58 65.7-176.7 0.1 2.1 114 3401 05 51 01 05 54 00 J0927+3902 09 27 58 71.4-180.3 -0.0 -0.2 54 3401 05 54 00 05 59 00 =4C39.25 09 32 59 71.4-177.2 0.1 1.9 300 3478 05 54 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess322.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: 8 Station: IRBENE Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 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: 10 Setup file default. Used with PCAL = 1MHz LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 730.49 730.49 730.49 730.49 794.49 794.49 794.49 794.49 858.49 858.49 858.49 858.49 922.49 922.49 922.49 922.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 10 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) * SDSSJ0908+34 09 05 52.608649 * 09 08 58.280000 09 10 21.618122 0.00 35 03 00.21553 * 34 50 49.16000 34 45 16.31015 0.00 From catalog imbedded in main SCHED input file. 0916+336 09 16 06.251034 * 09 19 08.787129 09 20 30.656481 0.09 * J0919+3324 33 37 22.76481 * 33 24 41.94350 33 18 56.25050 0.14 J0919+33 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 155 observations. 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 27.129152 0.31 * J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 23.38957 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0927+39 GSFC 2016a X/S astro solution, 250526 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 SDSSJ0908+3sess322.C2048 1 2 3 4 5 6 7 8 9 10 2.000 76.750 J0919+3324 sess322.C2048 1 2 3 4 5 6 7 8 9 10 1.500 60.879 J0927+3902 sess322.C2048 1 2 3 4 5 6 7 8 9 10 0.250 10.469 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) SDSSJ0908+34 80.7 J0919+3324 78.2 J0927+3902 78.9 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