COVER INFORMATION Station: SVETLOE (Code Sv ) Experiment: Verify Gaia Astrometric Results using Radio Stars Exp. Code: EZ029B Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Bo Zhang Address: Shanghai Astronomical Observatory 80 Nandan Road 200030 Shanghai P. R. China Phone: +86 3477 5508 EMAIL: zb@shao.ac.cn Fax: +86 3477 5508 Phone during observation: +86 3477 5508 Observing mode: Phase-referencing at 3.6 cm (1024 Mb/s) Notes: Schedule for SVETLOE (Code Sv ) Page 2 Verify Gaia Astrometric Results using Radio Stars 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 13 Jun 2019 Day 164 --- Next scan frequencies: 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 Next BBC frequencies: 287.49 287.49 287.49 287.49 319.49 319.49 319.49 319.49 351.49 351.49 351.49 351.49 383.49 383.49 383.49 383.49 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 02 30 00 J0217+7349 21 53 37 63.0 394.0 -4.4 -83.4 0 0 02 30 00 02 33 20 =0212+735 21 56 58 63.2 394.1 -4.4 -84.1 200 26 02 30 01 02 42 02 J0110+0714 22 05 41 26.6 486.5 -3.1 -23.5 406 26 02 42 02 02 43 02 --- 22 06 41 26.7 486.7 -3.1 -23.4 60 33 02 42 03 02 43 02 UV_PSC 22 06 41 25.6 485.3 -3.2 -23.8 -15 33 No stop 02 45 02 --- 22 08 42 25.8 485.8 -3.2 -23.7 105 49 02 43 03 02 45 02 J0110+0714 22 08 42 26.9 487.3 -3.0 -23.3 -16 49 No stop 02 46 32 --- 22 10 12 27.0 487.6 -3.0 -23.1 74 60 02 45 03 02 46 32 UV_PSC 22 10 12 26.0 486.2 -3.1 -23.6 -16 60 No stop 02 48 32 --- 22 12 12 26.2 486.7 -3.1 -23.4 104 76 02 46 33 02 49 02 J0110+0714 22 12 42 27.3 488.3 -3.0 -22.9 14 76 02 49 02 02 50 32 --- 22 14 13 27.4 488.7 -3.0 -22.8 90 87 02 49 03 02 50 32 UV_PSC 22 14 13 26.4 487.2 -3.1 -23.2 -16 87 No stop 02 52 32 --- 22 16 13 26.6 487.7 -3.0 -23.1 104 103 02 50 33 02 52 32 J0110+0714 22 16 13 27.6 489.2 -2.9 -22.6 -16 103 No stop 02 54 02 --- 22 17 43 27.7 489.6 -2.9 -22.5 74 114 02 52 33 02 54 02 UV_PSC 22 17 43 26.7 488.1 -3.0 -22.9 -16 114 No stop 02 56 02 --- 22 19 44 26.9 488.6 -3.0 -22.8 104 129 02 54 03 02 56 32 J0110+0714 22 20 14 28.0 490.2 -2.9 -22.3 14 129 02 56 32 02 58 02 --- 22 21 44 28.1 490.6 -2.8 -22.1 90 141 02 56 33 02 58 02 UV_PSC 22 21 44 27.1 489.2 -2.9 -22.6 -16 141 No stop 03 00 02 --- 22 23 44 27.3 489.7 -2.9 -22.4 104 156 02 58 03 03 00 02 J0110+0714 22 23 44 28.3 491.1 -2.8 -21.9 -16 156 No stop 03 01 32 --- 22 25 14 28.4 491.5 -2.8 -21.8 74 168 03 00 03 03 05 18 J0243+7120 22 29 02 63.4 399.7 -4.3 -80.6 110 168 03 05 18 03 06 18 =0238+711 22 30 02 63.4 399.8 -4.3 -80.8 60 176 03 05 19 Schedule for SVETLOE (Code Sv ) Page 3 Verify Gaia Astrometric Results using Radio Stars 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 13 Jun 2019 Day 164 --- 03 06 18 RZ_CAS 22 30 02 62.7 403.2 -4.3 -76.4 -22 176 No stop 03 08 18 --- 22 32 02 62.8 403.3 -4.3 -76.8 98 191 03 06 19 03 08 18 J0243+7120 22 32 02 63.6 399.8 -4.2 -81.2 -22 191 No stop 03 09 48 =0238+711 22 33 32 63.7 399.9 -4.2 -81.5 68 203 03 08 19 03 09 48 RZ_CAS 22 33 32 63.0 403.4 -4.3 -77.1 -22 203 No stop 03 11 48 --- 22 35 33 63.1 403.5 -4.3 -77.5 98 218 03 09 49 03 12 18 J0243+7120 22 36 03 63.9 399.9 -4.2 -82.1 8 218 03 12 18 03 13 48 =0238+711 22 37 33 64.0 400.0 -4.1 -82.4 90 229 03 12 19 03 13 48 RZ_CAS 22 37 33 63.3 403.6 -4.2 -77.9 -22 229 No stop 03 15 48 --- 22 39 33 63.5 403.6 -4.2 -78.3 98 245 03 13 49 03 15 48 J0243+7120 22 39 33 64.2 400.0 -4.1 -82.8 -22 245 No stop 03 17 18 =0238+711 22 41 04 64.3 400.0 -4.1 -83.1 68 256 03 15 49 03 17 18 RZ_CAS 22 41 04 63.6 403.7 -4.2 -78.6 -22 256 No stop 03 19 18 --- 22 43 04 63.8 403.8 -4.1 -79.0 98 272 03 17 19 03 19 48 J0243+7120 22 43 34 64.5 400.1 -4.0 -83.7 8 272 03 19 48 03 21 18 =0238+711 22 45 04 64.6 400.1 -4.0 -84.0 90 283 03 19 49 03 21 18 RZ_CAS 22 45 04 63.9 403.9 -4.1 -79.4 -22 283 No stop 03 23 18 --- 22 47 05 64.1 403.9 -4.1 -79.8 98 299 03 21 19 03 23 18 J0243+7120 22 47 05 64.8 400.2 -4.0 -84.5 -22 299 No stop 03 24 48 =0238+711 22 48 35 64.9 400.2 -3.9 -84.8 68 310 03 23 19 03 27 39 J0626+8202 22 51 26 56.5 373.2 -7.6 -54.1 119 310 03 27 39 03 28 39 --- 22 52 26 56.5 373.2 -7.6 -54.3 60 318 03 27 40 03 28 39 SV_CAM 22 52 26 56.2 372.4 -7.9 -51.3 -13 318 No stop 03 30 39 --- 22 54 26 56.3 372.4 -7.8 -51.7 107 333 03 28 40 03 30 39 J0626+8202 22 54 26 56.6 373.3 -7.6 -54.8 -13 333 No stop 03 32 09 --- 22 55 57 56.6 373.4 -7.6 -55.1 77 345 03 30 40 03 32 09 SV_CAM 22 55 57 56.3 372.5 -7.8 -52.0 -13 345 No stop 03 34 09 --- 22 57 57 56.4 372.6 -7.8 -52.5 107 360 03 32 10 03 34 39 J0626+8202 22 58 27 56.7 373.5 -7.5 -55.6 17 360 03 34 39 03 36 09 --- 22 59 57 56.7 373.5 -7.5 -56.0 90 372 03 34 40 Schedule for SVETLOE (Code Sv ) Page 4 Verify Gaia Astrometric Results using Radio Stars 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 13 Jun 2019 Day 164 --- 03 36 09 SV_CAM 22 59 57 56.4 372.6 -7.8 -52.9 -13 372 No stop 03 38 09 --- 23 01 58 56.5 372.7 -7.7 -53.3 107 387 03 36 10 03 38 09 J0626+8202 23 01 58 56.8 373.6 -7.5 -56.4 -13 387 No stop 03 39 39 --- 23 03 28 56.8 373.6 -7.4 -56.7 77 399 03 38 10 03 39 39 SV_CAM 23 03 28 56.5 372.8 -7.7 -53.7 -13 399 No stop 03 41 39 --- 23 05 28 56.6 372.8 -7.7 -54.1 107 414 03 39 40 03 42 09 J0626+8202 23 05 58 56.9 373.7 -7.4 -57.3 17 414 03 42 09 03 43 39 --- 23 07 28 57.0 373.8 -7.4 -57.6 90 426 03 42 10 03 43 39 SV_CAM 23 07 28 56.6 372.9 -7.6 -54.5 -13 426 No stop 03 45 39 --- 23 09 29 56.7 373.0 -7.6 -55.0 107 441 03 43 40 03 45 39 J0626+8202 23 09 29 57.0 373.8 -7.3 -58.0 -13 441 No stop 03 47 09 --- 23 10 59 57.1 373.9 -7.3 -58.4 77 453 03 45 40 03 49 21 J0811+5714 23 13 12 32.9 387.3 -9.0 -24.6 69 453 03 49 21 03 50 21 --- 23 14 12 33.0 387.4 -9.0 -24.7 60 460 03 49 22 03 50 21 54_CAM 23 14 12 33.5 388.6 -8.8 -25.8 -15 460 No stop 03 52 21 --- 23 16 12 33.6 388.9 -8.8 -26.1 105 476 03 50 22 03 52 21 J0811+5714 23 16 12 33.1 387.7 -8.9 -25.0 -15 476 No stop 03 53 51 --- 23 17 42 33.2 387.9 -8.9 -25.1 75 487 03 52 22 03 53 51 54_CAM 23 17 42 33.7 389.1 -8.8 -26.2 -15 487 No stop 03 55 51 --- 23 19 43 33.8 389.4 -8.7 -26.5 105 503 03 53 52 03 56 21 J0811+5714 23 20 13 33.3 388.3 -8.9 -25.5 15 503 03 56 21 03 57 51 --- 23 21 43 33.4 388.5 -8.8 -25.7 90 514 03 56 22 03 57 51 54_CAM 23 21 43 34.0 389.7 -8.7 -26.8 -15 514 No stop 03 59 51 --- 23 23 43 34.1 390.0 -8.7 -27.0 105 529 03 57 52 03 59 51 J0811+5714 23 23 43 33.5 388.8 -8.8 -25.9 -15 529 No stop 04 01 21 --- 23 25 13 33.6 389.0 -8.8 -26.1 75 541 03 59 52 04 01 21 54_CAM 23 25 13 34.2 390.2 -8.6 -27.2 -15 541 No stop 04 03 21 --- 23 27 14 34.3 390.5 -8.6 -27.5 105 556 04 01 22 04 03 51 J0811+5714 23 27 44 33.8 389.4 -8.7 -26.4 15 556 04 03 51 04 05 21 --- 23 29 14 33.9 389.6 -8.7 -26.6 90 568 04 03 52 Schedule for SVETLOE (Code Sv ) Page 5 Verify Gaia Astrometric Results using Radio Stars 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 13 Jun 2019 Day 164 --- 04 05 21 54_CAM 23 29 14 34.4 390.8 -8.6 -27.7 -15 568 No stop 04 07 21 --- 23 31 14 34.6 391.1 -8.5 -28.0 105 583 04 05 22 04 07 21 J0811+5714 23 31 14 34.0 389.9 -8.7 -26.9 -15 583 No stop 04 08 51 --- 23 32 45 34.1 390.1 -8.7 -27.1 75 595 04 07 22 04 09 45 J0902+5402 23 33 39 28.3 384.0 -9.5 -19.9 27 595 04 09 45 04 10 45 --- 23 34 39 28.4 384.2 -9.5 -20.0 60 603 04 09 46 04 10 45 XY_UMA 23 34 39 28.4 382.8 -9.6 -19.1 -15 603 No stop 04 12 45 --- 23 36 39 28.5 383.1 -9.6 -19.4 105 618 04 10 46 04 12 45 J0902+5402 23 36 39 28.5 384.5 -9.5 -20.3 -16 618 No stop 04 14 15 --- 23 38 10 28.6 384.7 -9.4 -20.5 74 629 04 12 46 04 14 15 XY_UMA 23 38 10 28.6 383.3 -9.6 -19.6 -15 629 No stop 04 16 15 --- 23 40 10 28.7 383.7 -9.5 -19.8 105 645 04 14 16 04 16 45 J0902+5402 23 40 40 28.7 385.1 -9.4 -20.8 14 645 04 16 45 04 18 15 --- 23 42 10 28.8 385.3 -9.4 -21.0 90 656 04 16 46 04 18 15 XY_UMA 23 42 10 28.8 384.0 -9.5 -20.1 -15 656 No stop 04 20 15 --- 23 44 11 28.9 384.3 -9.5 -20.3 105 672 04 18 16 04 20 15 J0902+5402 23 44 11 28.9 385.6 -9.3 -21.2 -16 672 No stop 04 21 45 --- 23 45 41 29.0 385.9 -9.3 -21.4 74 683 04 20 16 04 21 45 XY_UMA 23 45 41 29.0 384.5 -9.4 -20.5 -15 683 No stop 04 23 45 --- 23 47 41 29.1 384.8 -9.4 -20.8 105 699 04 21 46 04 24 15 J0902+5402 23 48 11 29.1 386.3 -9.3 -21.7 14 699 04 24 15 04 25 45 --- 23 49 41 29.2 386.5 -9.2 -21.9 90 710 04 24 16 04 25 45 XY_UMA 23 49 41 29.2 385.1 -9.4 -21.0 -15 710 No stop 04 27 45 --- 23 51 42 29.3 385.5 -9.3 -21.3 105 726 04 25 46 04 27 45 J0902+5402 23 51 42 29.3 386.8 -9.2 -22.2 -16 726 No stop 04 29 15 --- 23 53 12 29.4 387.1 -9.2 -22.4 74 737 04 27 46 04 30 55 J1220+7105 23 54 52 41.6 357.2 11.6 4.3 45 737 04 30 55 04 31 55 --- 23 55 53 41.6 357.3 11.6 4.1 60 745 04 30 56 04 31 55 DK_DRA 23 55 53 43.0 357.9 11.7 3.5 -16 745 No stop 04 33 55 --- 23 57 53 43.0 358.1 11.7 3.1 104 760 04 31 56 Schedule for SVETLOE (Code Sv ) Page 6 Verify Gaia Astrometric Results using Radio Stars 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 13 Jun 2019 Day 164 --- 04 33 55 J1220+7105 23 57 53 41.6 357.5 11.6 3.8 -16 760 No stop 04 35 25 --- 23 59 23 41.6 357.7 11.6 3.5 74 772 04 33 56 04 35 25 DK_DRA 23 59 23 43.0 358.2 11.7 2.9 -16 772 No stop 04 37 25 --- 00 01 23 43.0 358.4 11.7 2.6 104 787 04 35 26 04 37 55 J1220+7105 00 01 54 41.6 357.9 11.7 3.1 14 787 04 37 55 04 39 25 --- 00 03 24 41.6 358.1 11.7 2.9 90 799 04 37 56 04 39 25 DK_DRA 00 03 24 43.0 358.6 11.8 2.2 -16 799 No stop 04 41 25 --- 00 05 24 43.0 358.8 11.8 1.9 104 814 04 39 26 04 41 25 J1220+7105 00 05 24 41.6 358.3 11.7 2.6 -16 814 No stop 04 42 55 --- 00 06 54 41.5 358.5 11.8 2.3 74 826 04 41 26 04 42 55 DK_DRA 00 06 54 43.0 359.0 11.8 1.6 -16 826 No stop 04 44 55 --- 00 08 55 43.0 359.2 11.9 1.3 104 841 04 42 56 04 45 25 J1220+7105 00 09 25 41.5 358.7 11.8 1.9 14 841 04 45 25 04 46 55 --- 00 10 55 41.5 358.9 11.8 1.6 90 853 04 45 26 04 46 55 DK_DRA 00 10 55 43.0 359.4 11.9 1.0 -16 853 No stop 04 48 55 --- 00 12 55 43.0 359.6 11.9 0.6 104 868 04 46 56 04 48 55 J1220+7105 00 12 55 41.5 359.1 11.9 1.3 -16 868 No stop 04 50 25 --- 00 14 26 41.5 359.3 11.9 1.1 74 879 04 48 56 04 50 25 DK_DRA 00 14 26 43.0 359.8 12.0 0.4 -16 879 No stop 04 52 25 --- 00 16 26 43.0 360.0 12.0 0.0 104 895 04 50 26 04 52 55 J1220+7105 00 16 56 41.5 359.6 11.9 0.7 14 895 04 52 55 04 54 25 --- 00 18 26 41.5 359.7 12.0 0.4 90 906 04 52 56 04 56 37 J0217+7349 00 20 38 72.7 387.5 -2.0 -124.8 54 906 04 56 37 04 59 57 =0212+735 00 23 59 72.9 387.1 -1.9 -126.1 200 932 04 56 38 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess219.X1024 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq_RDBE.dat: kvzr_x Added by Des Small, 24 February 2012 Setup group: 1 Station: SVETLOE Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 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 = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 9 Setup file default. Used with PCAL = off LO sum= 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 BBC fr= 287.49 287.49 287.49 287.49 319.49 319.49 319.49 319.49 351.49 351.49 351.49 351.49 383.49 383.49 383.49 383.49 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: 9 10 11 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * UV_PSC 01 14 18.821903 * 01 16 55.119300 01 17 54.306376 0.00 06 32 54.06222 * 06 48 42.13110 06 54 39.02541 0.00 From catalog imbedded in main SCHED input file. * RZ_CAS 02 44 22.801669 * 02 48 55.509700 02 50 38.261112 0.00 69 25 35.04170 * 69 38 03.44150 69 42 31.32173 0.00 From catalog imbedded in main SCHED input file. * SV_CAM 06 30 38.105208 * 06 41 19.082100 06 45 12.571925 0.00 82 18 39.13752 * 82 16 02.43600 82 14 53.47910 0.00 From catalog imbedded in main SCHED input file. * 54_CAM 07 58 31.912481 * 08 02 35.783500 08 04 06.513589 0.00 57 24 48.15851 * 57 16 25.06340 57 13 15.76839 0.00 From catalog imbedded in main SCHED input file. * XY_UMA 09 06 18.146662 * 09 09 55.935500 09 11 17.230102 0.00 54 41 30.81058 * 54 29 17.72530 54 24 45.18370 0.00 From catalog imbedded in main SCHED input file. * DK_DRA 12 13 21.311815 * 12 15 41.491400 12 16 34.767075 0.00 72 49 44.09364 * 72 33 04.30570 72 27 00.91017 0.00 From catalog imbedded in main SCHED input file. * J0110+0714 01 07 56.775559 * 01 10 33.019100 01 11 32.220097 0.00 06 58 45.52184 * 07 14 42.24200 07 20 42.44774 0.00 From catalog imbedded in main SCHED input file. * J0626+8202 06 15 32.765079 * 06 26 03.006200 06 29 53.329576 0.00 82 03 56.43145 * 82 02 25.56800 82 01 40.54200 0.00 From catalog imbedded in main SCHED input file. * J0811+5714 08 06 58.833644 * 08 11 00.609300 08 12 30.570735 0.00 57 23 07.11448 * 57 14 12.49500 57 10 51.80811 0.00 From catalog imbedded in main SCHED input file. * J0902+5402 08 58 40.320558 * 09 02 19.287500 09 03 41.009497 0.00 54 14 47.23532 * 54 02 57.25600 53 58 32.95606 0.00 From catalog imbedded in main SCHED input file. * J1220+7105 12 17 46.077588 * 12 20 03.628400 12 20 56.029888 0.00 71 22 09.52384 * 71 05 31.13400 70 59 28.12031 0.00 From catalog imbedded in main SCHED input file. 0212+735 02 12 49.921887 * 02 17 30.813367 02 19 17.080157 0.36 * J0217+7349 73 35 40.08544 * 73 49 32.62177 73 54 31.37509 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 58090 observations 0238+711 02 38 50.010283 * 02 43 30.891349 02 45 16.793967 0.52 * J0243+7120 71 07 33.80215 * 71 20 17.90421 71 24 51.40228 0.23 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 173 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 UV_PSC sess219.X1024 1 2 3 4 5 6 7 9 0.167 7.777 RZ_CAS sess219.X1024 1 2 3 4 5 6 7 9 0.167 7.572 SV_CAM sess219.X1024 2 3 4 5 6 7 9 0.167 6.574 54_CAM sess219.X1024 2 3 4 5 6 7 9 0.167 6.462 XY_UMA sess219.X1024 2 3 4 5 6 7 9 0.167 5.972 DK_DRA sess219.X1024 2 3 4 5 6 7 9 0.200 7.706 J0110+0714 sess219.X1024 1 2 3 4 5 6 7 9 0.142 6.925 J0626+8202 sess219.X1024 2 3 4 5 6 7 9 0.142 5.818 J0811+5714 sess219.X1024 2 3 4 5 6 7 9 0.142 5.751 J0902+5402 sess219.X1024 2 3 4 5 6 7 9 0.142 4.578 J1220+7105 sess219.X1024 2 3 4 5 6 7 9 0.167 6.830 J0217+7349 sess219.X1024 1 2 3 4 5 6 7 9 0.111 6.111 J0243+7120 sess219.X1024 1 2 3 4 5 6 7 9 0.142 6.789 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) UV_PSC 61.3 RZ_CAS 51.8 SV_CAM 59.6 54_CAM 44.5 XY_UMA 52.1 DK_DRA 71.7 J0110+0714 62.6 J0626+8202 59.2 J0811+5714 45.5 J0902+5402 50.9 J1220+7105 72.6 J0217+7349 56.3 J0243+7120 53.3 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