COVER INFORMATION Station: URUMQI (Code Ur ) 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 URUMQI (Code Ur ) 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: 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 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 01 43 12 59.3 4.9 -0.6 -167.1 0 0 02 30 00 02 33 20 =0212+735 01 46 33 59.3 4.4 -0.5 -168.3 200 26 02 30 01 02 42 02 J0110+0714 01 55 16 52.6 198.1 0.7 13.1 326 26 02 42 02 02 43 02 --- 01 56 16 52.6 198.5 0.7 13.4 60 33 02 42 03 02 43 02 UV_PSC 01 56 16 52.5 195.8 0.6 11.5 -7 33 No stop 02 45 02 --- 01 58 17 52.4 196.6 0.7 12.0 113 49 02 43 03 02 45 02 J0110+0714 01 58 17 52.4 199.2 0.8 14.0 -7 49 No stop 02 46 32 --- 01 59 47 52.4 199.8 0.8 14.4 83 60 02 45 03 02 46 32 UV_PSC 01 59 47 52.3 197.2 0.7 12.5 -7 60 No stop 02 48 32 --- 02 01 47 52.2 198.0 0.7 13.0 113 76 02 46 33 02 49 02 J0110+0714 02 02 17 52.2 200.8 0.8 15.1 23 76 02 49 02 02 50 32 --- 02 03 48 52.1 201.4 0.9 15.5 90 87 02 49 03 02 50 32 UV_PSC 02 03 48 52.1 198.7 0.8 13.6 -7 87 No stop 02 52 32 --- 02 05 48 52.0 199.5 0.8 14.1 113 103 02 50 33 02 52 32 J0110+0714 02 05 48 52.0 202.2 0.9 16.0 -7 103 No stop 02 54 02 --- 02 07 18 51.9 202.8 0.9 16.4 83 114 02 52 33 02 54 02 UV_PSC 02 07 18 51.9 200.1 0.8 14.6 -7 114 No stop 02 56 02 --- 02 09 19 51.7 200.9 0.9 15.1 113 129 02 54 03 02 56 32 J0110+0714 02 09 49 51.7 203.7 1.0 17.1 23 129 02 56 32 02 58 02 --- 02 11 19 51.6 204.3 1.0 17.5 90 141 02 56 33 02 58 02 UV_PSC 02 11 19 51.6 201.7 0.9 15.7 -7 141 No stop 03 00 02 --- 02 13 19 51.5 202.4 0.9 16.2 113 156 02 58 03 03 00 02 J0110+0714 02 13 19 51.4 205.1 1.0 18.1 -7 156 No stop 03 01 32 --- 02 14 50 51.3 205.6 1.1 18.4 83 168 03 00 03 03 05 18 J0243+7120 02 18 37 61.9 364.5 -0.4 -169.7 64 168 03 05 18 03 06 18 =0238+711 02 19 37 61.9 364.3 -0.4 -170.1 60 176 03 05 19 Schedule for URUMQI (Code Ur ) 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 02 19 37 63.5 366.0 -0.5 -167.3 -6 176 No stop 03 08 18 --- 02 21 37 63.5 365.6 -0.5 -168.1 114 191 03 06 19 03 08 18 J0243+7120 02 21 37 61.9 364.0 -0.4 -170.9 -6 191 No stop 03 09 48 =0238+711 02 23 07 61.9 363.7 -0.4 -171.4 84 203 03 08 19 03 09 48 RZ_CAS 02 23 07 63.5 365.3 -0.5 -168.8 -6 203 No stop 03 11 48 --- 02 25 08 63.6 365.0 -0.4 -169.6 114 218 03 09 49 03 12 18 J0243+7120 02 25 38 62.0 363.3 -0.3 -172.4 24 218 03 12 18 03 13 48 =0238+711 02 27 08 62.0 363.1 -0.3 -173.0 90 229 03 12 19 03 13 48 RZ_CAS 02 27 08 63.6 364.6 -0.4 -170.4 -6 229 No stop 03 15 48 --- 02 29 08 63.6 364.2 -0.4 -171.2 114 245 03 13 49 03 15 48 J0243+7120 02 29 08 62.0 362.7 -0.3 -173.8 -6 245 No stop 03 17 18 =0238+711 02 30 39 62.0 362.5 -0.2 -174.3 84 256 03 15 49 03 17 18 RZ_CAS 02 30 39 63.6 363.9 -0.3 -171.8 -6 256 No stop 03 19 18 --- 02 32 39 63.7 363.5 -0.3 -172.6 114 272 03 17 19 03 19 48 J0243+7120 02 33 09 62.0 362.1 -0.2 -175.3 24 272 03 19 48 03 21 18 =0238+711 02 34 39 62.0 361.8 -0.2 -175.9 90 283 03 19 49 03 21 18 RZ_CAS 02 34 39 63.7 363.1 -0.3 -173.5 -6 283 No stop 03 23 18 --- 02 36 40 63.7 362.7 -0.2 -174.3 114 299 03 21 19 03 23 18 J0243+7120 02 36 40 62.0 361.5 -0.1 -176.7 -6 299 No stop 03 24 48 =0238+711 02 38 10 62.0 361.2 -0.1 -177.2 84 310 03 23 19 03 27 39 J0626+8202 02 41 01 47.4 369.9 -3.8 -115.7 138 310 03 27 39 03 28 39 --- 02 42 01 47.4 369.9 -3.8 -116.0 60 318 03 27 40 03 28 39 SV_CAM 02 42 01 46.8 369.9 -4.1 -112.2 -4 318 No stop 03 30 39 --- 02 44 01 46.9 369.9 -4.0 -112.7 116 333 03 28 40 03 30 39 J0626+8202 02 44 01 47.5 369.8 -3.8 -116.5 -4 333 No stop 03 32 09 --- 02 45 32 47.5 369.8 -3.7 -116.9 86 345 03 30 40 03 32 09 SV_CAM 02 45 32 47.0 369.8 -4.0 -113.1 -4 345 No stop 03 34 09 --- 02 47 32 47.0 369.8 -4.0 -113.6 116 360 03 32 10 03 34 39 J0626+8202 02 48 02 47.6 369.8 -3.7 -117.6 26 360 03 34 39 03 36 09 --- 02 49 32 47.6 369.7 -3.7 -118.0 90 372 03 34 40 Schedule for URUMQI (Code Ur ) 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 02 49 32 47.1 369.8 -3.9 -114.1 -4 372 No stop 03 38 09 --- 02 51 33 47.1 369.7 -3.9 -114.7 116 387 03 36 10 03 38 09 J0626+8202 02 51 33 47.7 369.7 -3.6 -118.5 -4 387 No stop 03 39 39 --- 02 53 03 47.7 369.6 -3.6 -118.9 86 399 03 38 10 03 39 39 SV_CAM 02 53 03 47.2 369.7 -3.9 -115.1 -4 399 No stop 03 41 39 --- 02 55 03 47.2 369.7 -3.8 -115.6 116 414 03 39 40 03 42 09 J0626+8202 02 55 33 47.8 369.6 -3.6 -119.6 26 414 03 42 09 03 43 39 --- 02 57 04 47.9 369.5 -3.5 -120.0 90 426 03 42 10 03 43 39 SV_CAM 02 57 04 47.3 369.6 -3.8 -116.1 -4 426 No stop 03 45 39 --- 02 59 04 47.4 369.6 -3.8 -116.6 116 441 03 43 40 03 45 39 J0626+8202 02 59 04 47.9 369.5 -3.5 -120.5 -4 441 No stop 03 47 09 --- 03 00 34 48.0 369.4 -3.5 -120.9 86 453 03 45 40 03 49 21 J0811+5714 03 02 47 41.6 405.0 -5.2 -71.3 93 453 03 49 21 03 50 21 --- 03 03 47 41.7 405.1 -5.1 -71.4 60 460 03 49 22 03 50 21 54_CAM 03 03 47 42.8 405.5 -5.0 -72.9 -5 460 No stop 03 52 21 --- 03 05 47 43.1 405.6 -5.0 -73.3 115 476 03 50 22 03 52 21 J0811+5714 03 05 47 42.0 405.2 -5.1 -71.8 -5 476 No stop 03 53 51 --- 03 07 17 42.2 405.3 -5.1 -72.0 85 487 03 52 22 03 53 51 54_CAM 03 07 17 43.3 405.7 -4.9 -73.5 -5 487 No stop 03 55 51 --- 03 09 18 43.5 405.8 -4.9 -73.9 115 503 03 53 52 03 56 21 J0811+5714 03 09 48 42.5 405.4 -5.0 -72.5 25 503 03 56 21 03 57 51 --- 03 11 18 42.7 405.5 -5.0 -72.7 90 514 03 56 22 03 57 51 54_CAM 03 11 18 43.8 405.9 -4.9 -74.2 -5 514 No stop 03 59 51 --- 03 13 18 44.0 406.0 -4.8 -74.6 115 529 03 57 52 03 59 51 J0811+5714 03 13 18 42.9 405.6 -5.0 -73.1 -5 529 No stop 04 01 21 --- 03 14 49 43.1 405.7 -5.0 -73.3 85 541 03 59 52 04 01 21 54_CAM 03 14 49 44.2 406.1 -4.8 -74.8 -5 541 No stop 04 03 21 --- 03 16 49 44.5 406.2 -4.8 -75.2 115 556 04 01 22 04 03 51 J0811+5714 03 17 19 43.5 405.8 -4.9 -73.8 25 556 04 03 51 04 05 21 --- 03 18 49 43.7 405.9 -4.9 -74.0 90 568 04 03 52 Schedule for URUMQI (Code Ur ) 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 03 18 49 44.8 406.3 -4.8 -75.6 -5 568 No stop 04 07 21 --- 03 20 50 45.0 406.4 -4.7 -75.9 115 583 04 05 22 04 07 21 J0811+5714 03 20 50 43.9 406.0 -4.9 -74.4 -5 583 No stop 04 08 51 --- 03 22 20 44.1 406.1 -4.8 -74.7 85 595 04 07 22 04 09 45 J0902+5402 03 23 14 36.4 406.7 -5.7 -63.9 35 595 04 09 45 04 10 45 --- 03 24 14 36.5 406.8 -5.7 -64.0 60 603 04 09 46 04 10 45 XY_UMA 03 24 14 35.7 405.7 -5.8 -63.1 -5 603 No stop 04 12 45 --- 03 26 14 35.9 405.8 -5.8 -63.4 115 618 04 10 46 04 12 45 J0902+5402 03 26 14 36.8 406.9 -5.6 -64.3 -5 618 No stop 04 14 15 --- 03 27 45 37.0 407.0 -5.6 -64.6 85 629 04 12 46 04 14 15 XY_UMA 03 27 45 36.1 406.0 -5.7 -63.7 -5 629 No stop 04 16 15 --- 03 29 45 36.4 406.1 -5.7 -64.0 115 645 04 14 16 04 16 45 J0902+5402 03 30 15 37.3 407.2 -5.6 -65.0 25 645 04 16 45 04 18 15 --- 03 31 45 37.5 407.4 -5.5 -65.2 90 656 04 16 46 04 18 15 XY_UMA 03 31 45 36.7 406.3 -5.7 -64.3 -5 656 No stop 04 20 15 --- 03 33 46 36.9 406.4 -5.6 -64.6 115 672 04 18 16 04 20 15 J0902+5402 03 33 46 37.8 407.5 -5.5 -65.5 -5 672 No stop 04 21 45 --- 03 35 16 38.0 407.6 -5.5 -65.7 85 683 04 20 16 04 21 45 XY_UMA 03 35 16 37.1 406.5 -5.6 -64.9 -5 683 No stop 04 23 45 --- 03 37 16 37.4 406.7 -5.6 -65.2 115 699 04 21 46 04 24 15 J0902+5402 03 37 46 38.3 407.8 -5.4 -66.1 25 699 04 24 15 04 25 45 --- 03 39 17 38.5 407.9 -5.4 -66.4 90 710 04 24 16 04 25 45 XY_UMA 03 39 17 37.7 406.9 -5.5 -65.5 -5 710 No stop 04 27 45 --- 03 41 17 37.9 407.0 -5.5 -65.8 115 726 04 25 46 04 27 45 J0902+5402 03 41 17 38.8 408.1 -5.4 -66.7 -5 726 No stop 04 29 15 --- 03 42 47 39.0 408.2 -5.3 -66.9 85 737 04 27 46 04 30 55 J1220+7105 03 44 28 30.1 377.0 -8.6 -40.6 65 737 04 30 55 04 31 55 --- 03 45 28 30.1 377.1 -8.6 -40.8 60 745 04 30 56 04 31 55 DK_DRA 03 45 28 31.5 376.2 -8.5 -42.3 -6 745 No stop 04 33 55 --- 03 47 28 31.6 376.4 -8.5 -42.7 114 760 04 31 56 Schedule for URUMQI (Code Ur ) 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 03 47 28 30.2 377.2 -8.6 -41.2 -6 760 No stop 04 35 25 --- 03 48 58 30.3 377.3 -8.5 -41.5 84 772 04 33 56 04 35 25 DK_DRA 03 48 58 31.6 376.5 -8.5 -43.0 -6 772 No stop 04 37 25 --- 03 50 59 31.7 376.6 -8.4 -43.4 114 787 04 35 26 04 37 55 J1220+7105 03 51 29 30.5 377.5 -8.5 -42.0 24 787 04 37 55 04 39 25 --- 03 52 59 30.5 377.6 -8.5 -42.3 90 799 04 37 56 04 39 25 DK_DRA 03 52 59 31.8 376.7 -8.4 -43.8 -6 799 No stop 04 41 25 --- 03 54 59 32.0 376.8 -8.4 -44.2 114 814 04 39 26 04 41 25 J1220+7105 03 54 59 30.7 377.7 -8.4 -42.7 -6 814 No stop 04 42 55 --- 03 56 29 30.7 377.8 -8.4 -43.0 84 826 04 41 26 04 42 55 DK_DRA 03 56 29 32.0 376.9 -8.3 -44.5 -6 826 No stop 04 44 55 --- 03 58 30 32.1 377.1 -8.3 -44.9 114 841 04 42 56 04 45 25 J1220+7105 03 59 00 30.9 378.0 -8.4 -43.5 24 841 04 45 25 04 46 55 --- 04 00 30 31.0 378.1 -8.3 -43.8 90 853 04 45 26 04 46 55 DK_DRA 04 00 30 32.2 377.2 -8.3 -45.3 -6 853 No stop 04 48 55 --- 04 02 30 32.4 377.3 -8.2 -45.7 114 868 04 46 56 04 48 55 J1220+7105 04 02 30 31.1 378.2 -8.3 -44.2 -6 868 No stop 04 50 25 --- 04 04 01 31.2 378.3 -8.3 -44.5 84 879 04 48 56 04 50 25 DK_DRA 04 04 01 32.4 377.4 -8.2 -46.1 -6 879 No stop 04 52 25 --- 04 06 01 32.5 377.5 -8.2 -46.5 114 895 04 50 26 04 52 55 J1220+7105 04 06 31 31.3 378.5 -8.2 -45.0 24 895 04 52 55 04 54 25 --- 04 08 01 31.4 378.6 -8.2 -45.3 90 906 04 52 56 04 56 37 J0217+7349 04 10 13 57.0 346.3 1.8 141.6 77 906 04 56 37 04 59 57 =0212+735 04 13 34 56.9 346.0 1.9 140.5 200 932 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 --- 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: URUMQI Total bit rate: 1024 Format: MARK5B 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= 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 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 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 The following frequency sets based on these setups were used. Frequency Set: 6 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= 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 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: 6 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