COVER INFORMATION Station: JB2_MERL (Code Jm ) Experiment: Confirmation of close dual quasars at z=0.6-2.5 Exp. Code: ES103A 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 phs-ref cycle [5min vice 8min] COVER LETTER: Schedule for JB2_MERL (Code Jm ) 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 ---------------------------------------------------------------------------------------- --- Sat 22 Oct 2022 Day 295 --- Next scan frequencies: 4926.49 4926.49 Next BBC frequencies: 737.51 737.51 Next scan bandwidths: 64.00 64.00 17 00 00 J0042+2320 18 55 13 20.3 77.7 -5.8 -39.6 0 0 17 00 00 17 05 00 =0039+230 19 00 14 21.1 78.6 -5.7 -39.8 300 19 17 00 01 17 06 00 J0101+1639 19 01 14 13.1 79.4 -6.0 -37.9 19 19 17 06 00 17 11 00 =0059+163 19 06 15 13.8 80.4 -5.9 -38.1 300 39 17 06 01 17 11 00 SDSSJ0111+17 19 06 15 12.9 78.2 -6.1 -37.9 -25 39 No stop 17 14 00 --- 19 09 15 13.3 78.8 -6.1 -38.0 155 50 17 11 01 17 14 30 J0101+1639 19 09 45 14.3 81.0 -5.9 -38.1 4 50 17 14 30 17 16 30 =0059+163 19 11 46 14.6 81.4 -5.9 -38.2 120 58 17 14 31 17 16 30 SDSSJ0111+17 19 11 46 13.7 79.3 -6.0 -38.0 -25 58 No stop 17 19 30 --- 19 14 46 14.2 79.9 -6.0 -38.1 155 70 17 16 31 17 19 30 J0101+1639 19 14 46 15.1 82.0 -5.8 -38.3 -26 70 No stop 17 21 30 =0059+163 19 16 47 15.4 82.4 -5.8 -38.3 94 77 17 19 31 17 21 30 SDSSJ0111+17 19 16 47 14.5 80.2 -5.9 -38.2 -25 77 No stop 17 24 30 --- 19 19 47 14.9 80.8 -5.9 -38.2 155 89 17 21 31 17 25 00 J0101+1639 19 20 17 15.9 83.1 -5.7 -38.4 4 89 17 25 00 17 27 00 =0059+163 19 22 18 16.2 83.5 -5.7 -38.4 120 97 17 25 01 17 27 00 SDSSJ0111+17 19 22 18 15.3 81.3 -5.8 -38.3 -25 97 No stop 17 30 00 --- 19 25 18 15.7 81.9 -5.8 -38.4 155 108 17 27 01 17 30 00 J0101+1639 19 25 18 16.7 84.1 -5.6 -38.5 -26 108 No stop 17 32 00 =0059+163 19 27 18 17.0 84.5 -5.6 -38.5 94 116 17 30 01 17 32 00 SDSSJ0111+17 19 27 18 16.0 82.3 -5.8 -38.4 -25 116 No stop 17 35 00 --- 19 30 19 16.5 82.9 -5.7 -38.5 155 128 17 32 01 17 35 30 J0101+1639 19 30 49 17.5 85.2 -5.5 -38.5 4 128 17 35 30 17 37 30 =0059+163 19 32 49 17.8 85.5 -5.5 -38.6 120 135 17 35 31 17 37 30 SDSSJ0111+17 19 32 49 16.8 83.4 -5.7 -38.5 -25 135 No stop 17 40 30 --- 19 35 50 17.3 84.0 -5.6 -38.6 155 147 17 37 31 17 40 30 J0101+1639 19 35 50 18.2 86.1 -5.5 -38.6 -26 147 No stop 17 42 30 =0059+163 19 37 50 18.5 86.5 -5.4 -38.6 94 155 17 40 31 Schedule for JB2_MERL (Code Jm ) 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 ---------------------------------------------------------------------------------------- --- Sat 22 Oct 2022 Day 295 --- 17 42 30 SDSSJ0111+17 19 37 50 17.6 84.3 -5.6 -38.6 -25 155 No stop 17 45 30 --- 19 40 51 18.0 84.9 -5.5 -38.7 155 166 17 42 31 17 46 00 J0101+1639 19 41 21 19.0 87.2 -5.4 -38.6 4 166 17 46 00 17 48 00 =0059+163 19 43 21 19.3 87.6 -5.3 -38.7 120 174 17 46 01 17 48 00 SDSSJ0111+17 19 43 21 18.4 85.4 -5.5 -38.7 -25 174 No stop 17 51 00 --- 19 46 21 18.8 86.0 -5.4 -38.7 155 185 17 48 01 17 51 00 J0101+1639 19 46 21 19.8 88.2 -5.3 -38.7 -26 185 No stop 17 53 00 =0059+163 19 48 22 20.1 88.6 -5.2 -38.7 94 193 17 51 01 17 53 00 SDSSJ0111+17 19 48 22 19.1 86.4 -5.4 -38.7 -25 193 No stop 17 56 00 --- 19 51 22 19.6 87.0 -5.4 -38.8 155 205 17 53 01 17 56 30 J0101+1639 19 51 52 20.6 89.3 -5.2 -38.7 4 205 17 56 30 17 58 30 =0059+163 19 53 53 20.9 89.7 -5.2 -38.7 120 213 17 56 31 17 58 30 SDSSJ0111+17 19 53 53 20.0 87.5 -5.3 -38.8 -25 213 No stop 18 01 30 --- 19 56 53 20.4 88.1 -5.3 -38.8 155 224 17 58 31 18 01 30 J0101+1639 19 56 53 21.4 90.3 -5.1 -38.7 -26 224 No stop 18 03 30 =0059+163 19 58 54 21.7 90.7 -5.1 -38.7 94 232 18 01 31 18 03 30 SDSSJ0111+17 19 58 54 20.7 88.5 -5.2 -38.8 -25 232 No stop 18 06 30 --- 20 01 54 21.2 89.1 -5.2 -38.8 155 243 18 03 31 18 07 00 J0101+1639 20 02 24 22.2 91.4 -5.0 -38.7 4 243 18 07 00 18 09 00 =0059+163 20 04 24 22.5 91.8 -5.0 -38.7 120 251 18 07 01 18 09 00 SDSSJ0111+17 20 04 24 21.5 89.6 -5.1 -38.8 -25 251 No stop 18 12 00 --- 20 07 25 22.0 90.2 -5.1 -38.8 155 263 18 09 01 18 12 00 J0101+1639 20 07 25 22.9 92.4 -4.9 -38.7 -26 263 No stop 18 14 00 =0059+163 20 09 25 23.2 92.9 -4.9 -38.6 94 271 18 12 01 18 14 00 SDSSJ0111+17 20 09 25 22.3 90.6 -5.1 -38.8 -25 271 No stop 18 17 00 --- 20 12 26 22.7 91.2 -5.0 -38.8 155 282 18 14 01 18 17 30 J0101+1639 20 12 56 23.8 93.6 -4.8 -38.6 4 282 18 17 30 18 19 30 =0059+163 20 14 56 24.1 94.0 -4.8 -38.6 120 290 18 17 31 18 19 30 SDSSJ0111+17 20 14 56 23.1 91.7 -5.0 -38.8 -25 290 No stop 18 22 30 --- 20 17 57 23.6 92.3 -4.9 -38.8 155 301 18 19 31 Schedule for JB2_MERL (Code Jm ) 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 ---------------------------------------------------------------------------------------- --- Sat 22 Oct 2022 Day 295 --- 18 22 30 J0101+1639 20 17 57 24.5 94.6 -4.8 -38.5 -26 301 No stop 18 24 30 =0059+163 20 19 57 24.8 95.0 -4.7 -38.5 94 309 18 22 31 18 24 30 SDSSJ0111+17 20 19 57 23.9 92.7 -4.9 -38.8 -25 309 No stop 18 27 30 --- 20 22 57 24.3 93.3 -4.8 -38.8 155 321 18 24 31 18 28 00 J0101+1639 20 23 28 25.3 95.7 -4.7 -38.5 4 321 18 28 00 18 30 00 =0059+163 20 25 28 25.6 96.2 -4.6 -38.4 120 328 18 28 01 18 30 00 SDSSJ0111+17 20 25 28 24.7 93.9 -4.8 -38.7 -26 328 No stop 18 33 00 --- 20 28 28 25.1 94.5 -4.7 -38.7 154 340 18 30 01 18 33 00 J0101+1639 20 28 28 26.1 96.8 -4.6 -38.4 -26 340 No stop 18 35 00 =0059+163 20 30 29 26.4 97.2 -4.5 -38.3 94 348 18 33 01 18 35 00 SDSSJ0111+17 20 30 29 25.4 94.9 -4.7 -38.7 -26 348 No stop 18 38 00 --- 20 33 29 25.9 95.5 -4.6 -38.6 154 359 18 35 01 18 38 30 J0101+1639 20 33 59 26.9 97.9 -4.5 -38.3 3 359 18 38 30 18 40 30 =0059+163 20 36 00 27.2 98.4 -4.5 -38.2 120 367 18 38 31 18 40 30 SDSSJ0111+17 20 36 00 26.3 96.0 -4.6 -38.6 -26 367 No stop 18 43 30 --- 20 39 00 26.7 96.7 -4.6 -38.5 154 379 18 40 31 18 43 30 J0101+1639 20 39 00 27.6 99.0 -4.4 -38.1 -27 379 No stop 18 45 30 =0059+163 20 41 00 27.9 99.4 -4.4 -38.1 93 386 18 43 31 18 45 30 SDSSJ0111+17 20 41 00 27.0 97.1 -4.5 -38.5 -26 386 No stop 18 48 30 --- 20 44 01 27.5 97.7 -4.5 -38.4 154 398 18 45 31 18 49 00 J0101+1639 20 44 31 28.5 100.2 -4.3 -38.0 3 398 18 49 00 18 51 00 =0059+163 20 46 31 28.8 100.6 -4.3 -37.9 120 406 18 49 01 18 51 00 SDSSJ0111+17 20 46 31 27.8 98.2 -4.4 -38.4 -26 406 No stop 18 54 00 --- 20 49 32 28.3 98.9 -4.4 -38.3 154 417 18 51 01 18 54 00 J0101+1639 20 49 32 29.2 101.3 -4.2 -37.8 -27 417 No stop 18 56 00 =0059+163 20 51 32 29.5 101.7 -4.2 -37.7 93 425 18 54 01 18 57 00 J0042+2320 20 52 32 37.8 101.3 -3.8 -39.8 18 425 18 57 00 19 02 00 =0039+230 20 57 33 38.5 102.4 -3.8 -39.6 300 444 18 57 01 19 03 00 J0101+1639 20 58 33 30.5 103.2 -4.1 -37.5 19 444 19 03 00 19 08 00 =0059+163 21 03 34 31.2 104.3 -4.0 -37.3 300 464 19 03 01 Schedule for JB2_MERL (Code Jm ) 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 ---------------------------------------------------------------------------------------- --- Sat 22 Oct 2022 Day 295 --- 19 08 00 SDSSJ0111+17 21 03 34 30.3 101.9 -4.1 -37.9 -26 464 No stop 19 11 00 --- 21 06 35 30.8 102.6 -4.1 -37.7 154 475 19 08 01 19 11 30 J0101+1639 21 07 05 31.8 105.1 -3.9 -37.1 3 475 19 11 30 19 13 30 =0059+163 21 09 05 32.0 105.6 -3.9 -37.0 120 483 19 11 31 19 13 30 SDSSJ0111+17 21 09 05 31.1 103.1 -4.1 -37.6 -26 483 No stop 19 16 30 --- 21 12 06 31.6 103.8 -4.0 -37.5 154 495 19 13 31 19 16 30 J0101+1639 21 12 06 32.5 106.3 -3.9 -36.9 -27 495 No stop 19 18 30 =0059+163 21 14 06 32.8 106.7 -3.8 -36.8 93 502 19 16 31 19 18 30 SDSSJ0111+17 21 14 06 31.9 104.2 -4.0 -37.4 -27 502 No stop 19 21 30 --- 21 17 06 32.3 104.9 -3.9 -37.3 153 514 19 18 31 19 22 00 J0101+1639 21 17 36 33.3 107.5 -3.8 -36.6 2 514 19 22 00 19 24 00 =0059+163 21 19 37 33.6 108.0 -3.7 -36.5 120 522 19 22 01 19 24 00 SDSSJ0111+17 21 19 37 32.7 105.5 -3.9 -37.2 -27 522 No stop 19 27 00 --- 21 22 37 33.1 106.1 -3.8 -37.0 153 533 19 24 01 19 27 00 J0101+1639 21 22 37 34.0 108.7 -3.7 -36.3 -28 533 No stop 19 29 00 =0059+163 21 24 38 34.3 109.1 -3.6 -36.2 92 541 19 27 01 19 29 00 SDSSJ0111+17 21 24 38 33.4 106.6 -3.8 -36.9 -27 541 No stop 19 32 00 --- 21 27 38 33.8 107.3 -3.7 -36.8 153 553 19 29 01 19 32 30 J0101+1639 21 28 08 34.8 110.0 -3.6 -36.0 2 553 19 32 30 19 34 30 =0059+163 21 30 08 35.0 110.4 -3.6 -35.9 120 560 19 32 31 19 34 30 SDSSJ0111+17 21 30 08 34.2 107.9 -3.7 -36.6 -27 560 No stop 19 37 30 --- 21 33 09 34.6 108.6 -3.7 -36.5 153 572 19 34 31 19 37 30 J0101+1639 21 33 09 35.5 111.2 -3.5 -35.7 -28 572 No stop 19 39 30 =0059+163 21 35 09 35.7 111.6 -3.5 -35.5 92 580 19 37 31 19 39 30 SDSSJ0111+17 21 35 09 34.9 109.0 -3.6 -36.4 -27 580 No stop 19 42 30 --- 21 38 10 35.3 109.7 -3.6 -36.2 153 591 19 39 31 19 43 00 J0101+1639 21 38 40 36.2 112.5 -3.4 -35.3 2 591 19 43 00 19 45 00 =0059+163 21 40 40 36.5 113.0 -3.4 -35.1 120 599 19 43 01 19 45 00 SDSSJ0111+17 21 40 40 35.7 110.3 -3.5 -36.0 -27 599 No stop 19 48 00 --- 21 43 41 36.1 111.0 -3.5 -35.8 153 611 19 45 01 Schedule for JB2_MERL (Code Jm ) 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 ---------------------------------------------------------------------------------------- --- Sat 22 Oct 2022 Day 295 --- 19 48 00 J0101+1639 21 43 41 36.9 113.7 -3.3 -34.9 -28 611 No stop 19 50 00 =0059+163 21 45 41 37.2 114.2 -3.3 -34.8 92 618 19 48 01 19 50 00 SDSSJ0111+17 21 45 41 36.4 111.5 -3.4 -35.7 -27 618 No stop 19 53 00 --- 21 48 42 36.8 112.3 -3.4 -35.5 153 630 19 50 01 19 53 30 J0101+1639 21 49 12 37.7 115.1 -3.2 -34.5 2 630 19 53 30 19 55 30 =0059+163 21 51 12 37.9 115.6 -3.2 -34.3 120 638 19 53 31 19 55 30 SDSSJ0111+17 21 51 12 37.1 112.9 -3.4 -35.3 -27 638 No stop 19 58 30 --- 21 54 12 37.5 113.6 -3.3 -35.1 153 649 19 55 31 19 58 30 J0101+1639 21 54 12 38.3 116.3 -3.1 -34.1 -29 649 No stop 20 00 30 =0059+163 21 56 13 38.6 116.8 -3.1 -33.9 91 657 19 58 31 20 00 30 SDSSJ0111+17 21 56 13 37.8 114.1 -3.3 -34.9 -28 657 No stop 20 03 30 --- 21 59 13 38.2 114.8 -3.2 -34.7 152 669 20 00 31 20 04 00 J0101+1639 21 59 43 39.1 117.7 -3.1 -33.6 1 669 20 04 00 20 06 00 =0059+163 22 01 44 39.3 118.2 -3.0 -33.4 120 676 20 04 01 20 06 00 SDSSJ0111+17 22 01 44 38.6 115.5 -3.2 -34.5 -28 676 No stop 20 09 00 --- 22 04 44 39.0 116.2 -3.1 -34.2 152 688 20 06 01 20 09 00 J0101+1639 22 04 44 39.7 119.0 -3.0 -33.1 -29 688 No stop 20 11 00 =0059+163 22 06 44 40.0 119.6 -2.9 -32.9 91 696 20 09 01 20 11 00 SDSSJ0111+17 22 06 44 39.2 116.7 -3.1 -34.1 -28 696 No stop 20 14 00 --- 22 09 45 39.6 117.5 -3.0 -33.8 152 707 20 11 01 20 14 30 J0101+1639 22 10 15 40.5 120.5 -2.9 -32.6 1 707 20 14 30 20 16 30 =0059+163 22 12 15 40.7 121.0 -2.8 -32.4 120 715 20 14 31 20 16 30 SDSSJ0111+17 22 12 15 40.0 118.2 -3.0 -33.6 -28 715 No stop 20 19 30 --- 22 15 16 40.4 119.0 -3.0 -33.3 152 727 20 16 31 20 19 30 J0101+1639 22 15 16 41.1 121.8 -2.8 -32.1 -29 727 No stop 20 21 30 =0059+163 22 17 16 41.4 122.4 -2.8 -31.9 91 734 20 19 31 20 21 30 SDSSJ0111+17 22 17 16 40.6 119.5 -2.9 -33.1 -28 734 No stop 20 24 30 --- 22 20 17 41.0 120.3 -2.9 -32.8 152 746 20 21 31 20 25 00 J0101+1639 22 20 47 41.8 123.3 -2.7 -31.5 0 746 20 25 00 20 27 00 =0059+163 22 22 47 42.0 123.9 -2.7 -31.3 120 754 20 25 01 Schedule for JB2_MERL (Code Jm ) 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 ---------------------------------------------------------------------------------------- --- Sat 22 Oct 2022 Day 295 --- 20 27 00 SDSSJ0111+17 22 22 47 41.3 120.9 -2.8 -32.5 -28 754 No stop 20 30 00 --- 22 25 48 41.7 121.8 -2.8 -32.2 152 765 20 27 01 20 30 00 J0101+1639 22 25 48 42.4 124.7 -2.6 -30.9 -30 765 No stop 20 32 00 =0059+163 22 27 48 42.7 125.3 -2.6 -30.7 90 773 20 30 01 20 32 00 SDSSJ0111+17 22 27 48 42.0 122.3 -2.7 -32.0 -29 773 No stop 20 35 00 --- 22 30 48 42.4 123.1 -2.7 -31.7 151 785 20 32 01 20 35 30 J0101+1639 22 31 19 43.1 126.2 -2.5 -30.3 0 785 20 35 30 20 37 30 =0059+163 22 33 19 43.3 126.8 -2.5 -30.0 120 792 20 35 31 20 37 30 SDSSJ0111+17 22 33 19 42.7 123.8 -2.7 -31.4 -29 792 No stop 20 40 30 --- 22 36 19 43.0 124.7 -2.6 -31.1 151 804 20 37 31 20 40 30 J0101+1639 22 36 19 43.7 127.7 -2.4 -29.7 -30 804 No stop 20 42 30 =0059+163 22 38 20 43.9 128.3 -2.4 -29.4 90 812 20 40 31 20 42 30 SDSSJ0111+17 22 38 20 43.3 125.2 -2.6 -30.8 -29 812 No stop 20 45 30 --- 22 41 20 43.7 126.1 -2.5 -30.5 151 823 20 42 31 20 46 00 J0101+1639 22 41 50 44.3 129.3 -2.4 -28.9 0 823 20 46 00 20 48 00 =0059+163 22 43 51 44.6 129.9 -2.3 -28.7 120 831 20 46 01 20 48 00 SDSSJ0111+17 22 43 51 44.0 126.8 -2.5 -30.1 -29 831 No stop 20 51 00 --- 22 46 51 44.3 127.6 -2.4 -29.8 151 842 20 48 01 20 51 00 J0101+1639 22 46 51 44.9 130.8 -2.3 -28.3 -30 842 No stop 20 53 00 =0059+163 22 48 51 45.1 131.4 -2.2 -28.0 90 850 20 51 01 20 54 00 J0042+2320 22 49 52 53.3 133.1 -1.9 -28.4 18 850 20 54 00 20 59 00 =0039+230 22 54 52 53.9 134.9 -1.8 -27.5 300 870 20 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: 10 Station: JB2_MERL 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: 2 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: 2 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) * SDSSJ0111+17 01 08 34.477808 * 01 11 14.410000 01 12 27.802448 0.00 16 57 32.76021 * 17 13 28.56000 17 20 48.77556 0.00 From catalog imbedded in main SCHED input file. 0039+230 00 39 25.715327 * 00 42 04.545172 00 43 17.397422 0.03 * J0042+2320 23 03 34.83917 * 23 20 01.06195 23 27 35.76749 0.04 J0042+23 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 1129 observations. 0059+163 00 59 18.771715 * 01 01 57.719548 01 03 10.646055 0.39 * J0101+1639 16 23 33.76246 * 16 39 40.95321 16 47 06.37990 1.62 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 57 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 SDSSJ0111+1sess322.C2048 1 2 3 4 5 6 7 8 9 10 2.000 77.556 J0042+2320 sess322.C2048 1 2 3 4 5 6 7 8 9 10 0.250 11.237 J0101+1639 sess322.C2048 1 2 3 4 5 6 7 8 9 10 1.500 60.557 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) SDSSJ0111+17 169.2 J0042+2320 160.1 J0101+1639 167.5 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