COVER INFORMATION Station: YEBES40M (Code Ys ) Experiment: Confirmation of close dual quasars at z=0.6-2.5 Exp. Code: ES103G Schedule Version: 2.00 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 # COVER LETTER: Schedule for YEBES40M (Code Ys ) 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 ---------------------------------------------------------------------------------------- --- Thu 23 Feb 2023 Day 54 --- 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: 672.49 672.49 672.49 672.49 736.49 736.49 736.49 736.49 800.49 800.49 800.49 800.49 864.49 864.49 864.49 864.49 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 16 30 00 J0927+3902 02 30 53 15.1 51.3 -7.0 -49.7 0 0 16 30 00 16 35 00 =4C39.25 02 35 54 15.9 52.0 -6.9 -50.3 300 77 16 30 01 16 36 00 J0905+4850 02 36 54 25.0 46.2 -6.5 -56.3 36 77 16 36 00 16 41 00 =0902+490 02 41 55 25.7 46.7 -6.4 -57.0 300 155 16 36 01 16 41 00 SDSSJ0910+49 02 41 55 25.3 45.8 -6.5 -56.5 -16 155 No stop 16 44 00 --- 02 44 55 25.7 46.1 -6.4 -56.9 164 201 16 41 01 16 44 30 J0905+4850 02 45 26 26.2 47.0 -6.4 -57.5 14 201 16 44 30 16 46 30 =0902+490 02 47 26 26.5 47.2 -6.3 -57.8 120 232 16 44 31 16 46 30 SDSSJ0910+49 02 47 26 26.0 46.4 -6.4 -57.3 -16 232 No stop 16 49 30 --- 02 50 26 26.5 46.7 -6.4 -57.7 164 278 16 46 31 16 49 30 J0905+4850 02 50 26 26.9 47.5 -6.3 -58.2 -16 278 No stop 16 51 30 =0902+490 02 52 27 27.2 47.7 -6.2 -58.5 104 309 16 49 31 16 51 30 SDSSJ0910+49 02 52 27 26.7 46.9 -6.3 -58.0 -16 309 No stop 16 54 30 --- 02 55 27 27.2 47.2 -6.3 -58.4 164 356 16 51 31 16 55 00 J0905+4850 02 55 57 27.7 48.0 -6.2 -59.0 14 356 16 55 00 16 57 00 =0902+490 02 57 58 27.9 48.2 -6.2 -59.3 120 386 16 55 01 16 57 00 SDSSJ0910+49 02 57 58 27.5 47.4 -6.2 -58.8 -16 386 No stop 17 00 00 --- 03 00 58 27.9 47.7 -6.2 -59.2 164 433 16 57 01 17 00 00 J0905+4850 03 00 58 28.4 48.5 -6.1 -59.7 -16 433 No stop 17 02 00 =0902+490 03 02 58 28.7 48.7 -6.1 -60.0 104 464 17 00 01 17 02 00 SDSSJ0910+49 03 02 58 28.2 47.9 -6.1 -59.5 -16 464 No stop 17 05 00 --- 03 05 59 28.6 48.2 -6.1 -60.0 164 510 17 02 01 17 05 30 J0905+4850 03 06 29 29.2 49.0 -6.0 -60.5 14 510 17 05 30 17 07 30 =0902+490 03 08 29 29.4 49.2 -6.0 -60.8 120 541 17 05 31 17 07 30 SDSSJ0910+49 03 08 29 29.0 48.4 -6.1 -60.3 -16 541 No stop 17 10 30 --- 03 11 30 29.4 48.7 -6.0 -60.8 164 587 17 07 31 Schedule for YEBES40M (Code Ys ) 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 ---------------------------------------------------------------------------------------- --- Thu 23 Feb 2023 Day 54 --- 17 10 30 J0905+4850 03 11 30 29.9 49.5 -5.9 -61.2 -16 587 No stop 17 12 30 =0902+490 03 13 30 30.2 49.7 -5.9 -61.5 104 618 17 10 31 17 12 30 SDSSJ0910+49 03 13 30 29.7 48.8 -6.0 -61.1 -16 618 No stop 17 15 30 --- 03 16 31 30.1 49.1 -5.9 -61.5 164 665 17 12 31 17 16 00 J0905+4850 03 17 01 30.7 50.0 -5.8 -62.0 14 665 17 16 00 17 18 00 =0902+490 03 19 01 31.0 50.2 -5.8 -62.3 120 696 17 16 01 17 18 00 SDSSJ0910+49 03 19 01 30.5 49.3 -5.9 -61.9 -16 696 No stop 17 21 00 --- 03 22 02 30.9 49.6 -5.8 -62.3 164 742 17 18 01 17 21 00 J0905+4850 03 22 02 31.4 50.4 -5.8 -62.7 -16 742 No stop 17 23 00 =0902+490 03 24 02 31.7 50.6 -5.7 -63.0 104 773 17 21 01 17 23 00 SDSSJ0910+49 03 24 02 31.2 49.8 -5.8 -62.6 -16 773 No stop 17 26 00 --- 03 27 02 31.7 50.1 -5.7 -63.0 164 819 17 23 01 17 26 30 J0905+4850 03 27 32 32.2 50.9 -5.7 -63.5 14 819 17 26 30 17 28 30 =0902+490 03 29 33 32.5 51.1 -5.6 -63.8 120 850 17 26 31 17 28 30 SDSSJ0910+49 03 29 33 32.0 50.3 -5.7 -63.4 -16 850 No stop 17 31 30 --- 03 32 33 32.5 50.5 -5.7 -63.8 164 897 17 28 31 17 31 30 J0905+4850 03 32 33 33.0 51.3 -5.6 -64.2 -16 897 No stop 17 33 30 =0902+490 03 34 34 33.3 51.5 -5.5 -64.5 104 927 17 31 31 17 33 30 SDSSJ0910+49 03 34 34 32.8 50.7 -5.6 -64.1 -16 927 No stop 17 36 30 --- 03 37 34 33.2 51.0 -5.6 -64.5 164 974 17 33 31 17 37 00 J0905+4850 03 38 04 33.8 51.8 -5.5 -65.0 14 974 17 37 00 17 39 00 =0902+490 03 40 04 34.1 52.0 -5.5 -65.3 120 1005 17 37 01 17 39 00 SDSSJ0910+49 03 40 04 33.6 51.2 -5.5 -64.9 -16 1005 No stop 17 42 00 --- 03 43 05 34.0 51.4 -5.5 -65.3 164 1051 17 39 01 17 42 00 J0905+4850 03 43 05 34.5 52.2 -5.4 -65.7 -16 1051 No stop 17 44 00 =0902+490 03 45 05 34.8 52.4 -5.4 -66.0 104 1082 17 42 01 17 44 00 SDSSJ0910+49 03 45 05 34.3 51.6 -5.4 -65.6 -16 1082 No stop 17 47 00 --- 03 48 06 34.8 51.8 -5.4 -66.0 164 1128 17 44 01 17 47 30 J0905+4850 03 48 36 35.4 52.7 -5.3 -66.5 14 1128 17 47 30 17 49 30 =0902+490 03 50 36 35.7 52.8 -5.3 -66.8 120 1159 17 47 31 Schedule for YEBES40M (Code Ys ) 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 ---------------------------------------------------------------------------------------- --- Thu 23 Feb 2023 Day 54 --- 17 49 30 SDSSJ0910+49 03 50 36 35.1 52.0 -5.4 -66.4 -16 1159 No stop 17 52 30 --- 03 53 37 35.6 52.3 -5.3 -66.8 164 1206 17 49 31 17 52 30 J0905+4850 03 53 37 36.1 53.1 -5.2 -67.2 -16 1206 No stop 17 54 30 =0902+490 03 55 37 36.4 53.2 -5.2 -67.5 104 1237 17 52 31 17 54 30 SDSSJ0910+49 03 55 37 35.9 52.4 -5.3 -67.1 -16 1237 No stop 17 57 30 --- 03 58 38 36.4 52.7 -5.2 -67.5 164 1283 17 54 31 17 58 00 J0905+4850 03 59 08 37.0 53.5 -5.1 -68.0 14 1283 17 58 00 18 00 00 =0902+490 04 01 08 37.3 53.7 -5.1 -68.3 120 1314 17 58 01 18 00 00 SDSSJ0910+49 04 01 08 36.7 52.8 -5.2 -67.9 -16 1314 No stop 18 03 00 --- 04 04 08 37.2 53.1 -5.1 -68.3 164 1360 18 00 01 18 03 00 J0905+4850 04 04 08 37.7 53.9 -5.0 -68.7 -16 1360 No stop 18 05 00 =0902+490 04 06 09 38.0 54.0 -5.0 -69.0 104 1391 18 03 01 18 05 00 SDSSJ0910+49 04 06 09 37.5 53.2 -5.1 -68.6 -16 1391 No stop 18 08 00 --- 04 09 09 37.9 53.5 -5.0 -69.0 164 1438 18 05 01 18 08 30 J0905+4850 04 09 39 38.6 54.3 -5.0 -69.5 14 1438 18 08 30 18 10 30 =0902+490 04 11 40 38.9 54.5 -4.9 -69.7 120 1469 18 08 31 18 10 30 SDSSJ0910+49 04 11 40 38.3 53.6 -5.0 -69.4 -16 1469 No stop 18 13 30 --- 04 14 40 38.8 53.9 -4.9 -69.8 164 1515 18 10 31 18 13 30 J0905+4850 04 14 40 39.4 54.7 -4.9 -70.2 -16 1515 No stop 18 15 30 =0902+490 04 16 40 39.7 54.8 -4.8 -70.5 104 1546 18 13 31 18 15 30 SDSSJ0910+49 04 16 40 39.1 54.0 -4.9 -70.1 -16 1546 No stop 18 18 30 --- 04 19 41 39.6 54.2 -4.9 -70.5 164 1592 18 15 31 18 19 00 J0905+4850 04 20 11 40.2 55.1 -4.8 -71.0 14 1592 18 19 00 18 21 00 =0902+490 04 22 11 40.5 55.2 -4.7 -71.2 120 1623 18 19 01 18 21 00 SDSSJ0910+49 04 22 11 40.0 54.4 -4.8 -70.9 -16 1623 No stop 18 24 00 --- 04 25 12 40.4 54.6 -4.8 -71.3 164 1669 18 21 01 18 24 00 J0905+4850 04 25 12 41.0 55.4 -4.7 -71.7 -16 1669 No stop 18 26 00 =0902+490 04 27 12 41.3 55.6 -4.7 -72.0 104 1700 18 24 01 18 27 00 J0927+3902 04 28 12 34.1 65.2 -5.0 -62.5 35 1700 18 27 00 18 32 00 =4C39.25 04 33 13 35.0 65.7 -4.9 -63.0 300 1778 18 27 01 Schedule for YEBES40M (Code Ys ) 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 ---------------------------------------------------------------------------------------- --- Thu 23 Feb 2023 Day 54 --- 18 33 00 J0905+4850 04 34 13 42.4 56.0 -4.5 -73.0 35 1778 18 33 00 18 38 00 =0902+490 04 39 14 43.2 56.3 -4.5 -73.7 300 1855 18 33 01 18 38 00 SDSSJ0910+49 04 39 14 42.6 55.5 -4.5 -73.4 -16 1855 No stop 18 41 00 --- 04 42 15 43.1 55.7 -4.5 -73.8 164 1901 18 38 01 18 41 30 J0905+4850 04 42 45 43.8 56.6 -4.4 -74.2 14 1901 18 41 30 18 43 30 =0902+490 04 44 45 44.1 56.7 -4.4 -74.5 120 1932 18 41 31 18 43 30 SDSSJ0910+49 04 44 45 43.5 55.9 -4.4 -74.2 -16 1932 No stop 18 46 30 --- 04 47 46 43.9 56.1 -4.4 -74.6 164 1979 18 43 31 18 46 30 J0905+4850 04 47 46 44.6 56.9 -4.3 -74.9 -16 1979 No stop 18 48 30 =0902+490 04 49 46 44.9 57.0 -4.3 -75.2 104 2010 18 46 31 18 48 30 SDSSJ0910+49 04 49 46 44.3 56.2 -4.4 -74.9 -16 2010 No stop 18 51 30 --- 04 52 46 44.7 56.4 -4.3 -75.4 164 2056 18 48 31 18 52 00 J0905+4850 04 53 16 45.4 57.2 -4.2 -75.7 14 2056 18 52 00 18 54 00 =0902+490 04 55 17 45.8 57.3 -4.2 -76.0 120 2087 18 52 01 18 54 00 SDSSJ0910+49 04 55 17 45.1 56.5 -4.3 -75.7 -16 2087 No stop 18 57 00 --- 04 58 17 45.6 56.7 -4.2 -76.2 164 2133 18 54 01 18 57 00 J0905+4850 04 58 17 46.2 57.5 -4.1 -76.5 -16 2133 No stop 18 59 00 =0902+490 05 00 18 46.6 57.6 -4.1 -76.8 104 2164 18 57 01 18 59 00 SDSSJ0910+49 05 00 18 45.9 56.8 -4.2 -76.5 -16 2164 No stop 19 02 00 --- 05 03 18 46.4 56.9 -4.1 -76.9 164 2211 18 59 01 19 02 30 J0905+4850 05 03 48 47.1 57.8 -4.1 -77.3 14 2211 19 02 30 19 04 30 =0902+490 05 05 49 47.5 57.9 -4.0 -77.6 120 2241 19 02 31 19 04 30 SDSSJ0910+49 05 05 49 46.8 57.1 -4.1 -77.3 -16 2241 No stop 19 07 30 --- 05 08 49 47.3 57.2 -4.0 -77.8 164 2288 19 04 31 19 07 30 J0905+4850 05 08 49 47.9 58.0 -4.0 -78.0 -16 2288 No stop 19 09 30 =0902+490 05 10 49 48.3 58.1 -3.9 -78.3 104 2319 19 07 31 19 09 30 SDSSJ0910+49 05 10 49 47.6 57.3 -4.0 -78.1 -16 2319 No stop 19 12 30 --- 05 13 50 48.1 57.5 -4.0 -78.5 164 2365 19 09 31 19 13 00 J0905+4850 05 14 20 48.8 58.3 -3.9 -78.9 14 2365 19 13 00 19 15 00 =0902+490 05 16 20 49.2 58.4 -3.8 -79.2 120 2396 19 13 01 Schedule for YEBES40M (Code Ys ) 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 ---------------------------------------------------------------------------------------- --- Thu 23 Feb 2023 Day 54 --- 19 15 00 SDSSJ0910+49 05 16 20 48.5 57.6 -3.9 -78.9 -16 2396 No stop 19 18 00 --- 05 19 21 49.0 57.7 -3.9 -79.4 164 2442 19 15 01 19 18 00 J0905+4850 05 19 21 49.6 58.6 -3.8 -79.6 -16 2442 No stop 19 20 00 =0902+490 05 21 21 50.0 58.6 -3.8 -79.9 104 2473 19 18 01 19 20 00 SDSSJ0910+49 05 21 21 49.3 57.8 -3.8 -79.7 -16 2473 No stop 19 23 00 --- 05 24 22 49.8 58.0 -3.8 -80.2 164 2520 19 20 01 19 23 30 J0905+4850 05 24 52 50.5 58.8 -3.7 -80.5 14 2520 19 23 30 19 25 30 =0902+490 05 26 52 50.9 58.9 -3.7 -80.8 120 2551 19 23 31 19 25 30 SDSSJ0910+49 05 26 52 50.2 58.1 -3.7 -80.6 -16 2551 No stop 19 28 30 --- 05 29 52 50.7 58.2 -3.7 -81.0 164 2597 19 25 31 19 28 30 J0905+4850 05 29 52 51.4 59.0 -3.6 -81.3 -16 2597 No stop 19 30 30 =0902+490 05 31 53 51.7 59.1 -3.6 -81.6 104 2628 19 28 31 19 30 30 SDSSJ0910+49 05 31 53 51.0 58.3 -3.7 -81.3 -16 2628 No stop 19 33 30 --- 05 34 53 51.5 58.4 -3.6 -81.8 164 2674 19 30 31 19 34 00 J0905+4850 05 35 23 52.3 59.2 -3.5 -82.1 14 2674 19 34 00 19 36 00 =0902+490 05 37 24 52.6 59.3 -3.5 -82.5 120 2705 19 34 01 19 36 00 SDSSJ0910+49 05 37 24 51.9 58.5 -3.6 -82.2 -16 2705 No stop 19 39 00 --- 05 40 24 52.4 58.6 -3.5 -82.7 164 2752 19 36 01 19 39 00 J0905+4850 05 40 24 53.1 59.4 -3.4 -82.9 -16 2752 No stop 19 41 00 =0902+490 05 42 25 53.4 59.5 -3.4 -83.3 104 2782 19 39 01 19 41 00 SDSSJ0910+49 05 42 25 52.7 58.7 -3.5 -83.0 -16 2782 No stop 19 44 00 --- 05 45 25 53.2 58.7 -3.4 -83.5 164 2829 19 41 01 19 44 30 J0905+4850 05 45 55 54.0 59.6 -3.4 -83.8 14 2829 19 44 30 19 46 30 =0902+490 05 47 55 54.3 59.6 -3.3 -84.2 120 2860 19 44 31 19 46 30 SDSSJ0910+49 05 47 55 53.6 58.8 -3.4 -84.0 -16 2860 No stop 19 49 30 --- 05 50 56 54.1 58.9 -3.3 -84.5 164 2906 19 46 31 19 49 30 J0905+4850 05 50 56 54.8 59.7 -3.3 -84.7 -16 2906 No stop 19 51 30 =0902+490 05 52 56 55.1 59.8 -3.2 -85.0 104 2937 19 49 31 19 51 30 SDSSJ0910+49 05 52 56 54.4 59.0 -3.3 -84.8 -16 2937 No stop 19 54 30 --- 05 55 57 54.9 59.0 -3.3 -85.3 164 2983 19 51 31 Schedule for YEBES40M (Code Ys ) 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 ---------------------------------------------------------------------------------------- --- Thu 23 Feb 2023 Day 54 --- 19 55 00 J0905+4850 05 56 27 55.7 59.9 -3.2 -85.6 14 2983 19 55 00 19 57 00 =0902+490 05 58 27 56.0 59.9 -3.1 -85.9 120 3014 19 55 01 19 57 00 SDSSJ0910+49 05 58 27 55.3 59.1 -3.2 -85.7 -16 3014 No stop 20 00 00 --- 06 01 28 55.8 59.2 -3.2 -86.2 164 3061 19 57 01 20 00 00 J0905+4850 06 01 28 56.5 60.0 -3.1 -86.4 -16 3061 No stop 20 02 00 =0902+490 06 03 28 56.9 60.0 -3.1 -86.8 104 3092 20 00 01 20 02 00 SDSSJ0910+49 06 03 28 56.1 59.2 -3.1 -86.6 -16 3092 No stop 20 05 00 --- 06 06 28 56.6 59.2 -3.1 -87.1 164 3138 20 02 01 20 05 30 J0905+4850 06 06 59 57.4 60.0 -3.0 -87.4 14 3138 20 05 30 20 07 30 =0902+490 06 08 59 57.8 60.1 -3.0 -87.8 120 3169 20 05 31 20 07 30 SDSSJ0910+49 06 08 59 57.0 59.3 -3.0 -87.6 -16 3169 No stop 20 10 30 --- 06 11 59 57.5 59.3 -3.0 -88.1 164 3215 20 07 31 20 10 30 J0905+4850 06 11 59 58.3 60.1 -2.9 -88.3 -16 3215 No stop 20 12 30 =0902+490 06 14 00 58.6 60.1 -2.9 -88.7 104 3246 20 10 31 20 12 30 SDSSJ0910+49 06 14 00 57.8 59.3 -3.0 -88.5 -16 3246 No stop 20 15 30 --- 06 17 00 58.3 59.3 -2.9 -89.0 164 3293 20 12 31 20 16 00 J0905+4850 06 17 30 59.2 60.1 -2.8 -89.3 14 3293 20 16 00 20 18 00 =0902+490 06 19 31 59.5 60.1 -2.8 -89.7 120 3324 20 16 01 20 18 00 SDSSJ0910+49 06 19 31 58.7 59.4 -2.9 -89.5 -16 3324 No stop 20 21 00 --- 06 22 31 59.2 59.4 -2.8 -90.1 164 3370 20 18 01 20 21 00 J0905+4850 06 22 31 60.0 60.1 -2.7 -90.2 -16 3370 No stop 20 23 00 =0902+490 06 24 31 60.3 60.1 -2.7 -90.6 104 3401 20 21 01 20 24 00 J0927+3902 06 25 32 55.2 77.3 -3.0 -72.5 28 3401 20 24 00 20 30 00 =4C39.25 06 31 33 56.3 78.0 -2.9 -72.9 360 3494 20 24 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: 5 Station: YEBES40M 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= 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 4158.00 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: 7 Setup file default. Used with PCAL = off 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= 672.49 672.49 672.49 672.49 736.49 736.49 736.49 736.49 800.49 800.49 800.49 800.49 864.49 864.49 864.49 864.49 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: 7 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) * SDSSJ0910+49 09 06 35.862881 * 09 10 02.590000 09 11 39.478693 0.00 49 27 13.94852 * 49 15 00.25000 49 09 23.76236 0.00 From catalog imbedded in main SCHED input file. 0902+490 09 02 00.374037 * 09 05 27.463885 09 07 04.490285 0.15 * J0905+4850 49 02 49.85961 * 48 50 49.96508 48 45 20.07373 0.15 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 114 observations. 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 30.898990 0.31 * J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 19.59308 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 SDSSJ0910+4sess123.C2048 1 2 3 4 5 6 7 8 9 2.000 64.635 J0905+4850 sess123.C2048 1 2 3 4 5 6 7 8 9 1.500 45.476 J0927+3902 sess123.C2048 1 2 3 4 5 6 7 8 9 0.267 8.878 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) SDSSJ0910+49 137.6 J0905+4850 137.5 J0927+3902 148.0 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