COVER INFORMATION Station: KVNTN (Code Kt ) Experiment: Proper motion and B-field of H2O-WFPN I18443-0231 Exp. Code: EC098B Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Roldan Cala Address: Instituto de Astrofisica de Andalucia, IAA-CSIC Glorieta de la Astronomia, s/n, 18008 Granada Spain Phone: +34 64 415 9424 EMAIL: rcala@iaa.es Fax: Phone during observation: +31 68 633 7748 Observing mode: vlbi Notes: # Please, make sure PHASE CAL is OFF # Polarization and astrometry of 22-GHz H2O maser line IRAS 18443-0231: sysvel= 10 km/s, deltavel= +/-40 km/s v2: slightly different target position Schedule for KVNTN (Code Kt ) Page 2 Proper motion and B-field of H2O-WFPN I18443-0231 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2025 Day 57 --- Next scan frequencies: 22125.26 22125.26 22189.26 22189.26 22253.26 22253.26 22317.26 22317.26 22125.26 22125.26 22189.26 22189.26 22253.26 22253.26 22317.26 22317.26 Next BBC frequencies: 11874.74 11874.74 11810.74 11810.74 11746.74 11746.74 11682.74 11682.74 11874.74 11874.74 11810.74 11810.74 11746.74 11746.74 11682.74 11682.74 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 30 00 J1751+0939 21 20 38 36.8 256.0 3.5 55.4 0 0 02 30 00 02 35 00 =1749+096 21 25 39 35.8 256.9 3.5 55.7 300 77 02 30 01 02 35 00 J1743-0350 21 25 39 26.1 245.7 3.7 49.8 -9 77 No stop 02 39 00 =1741-038 21 29 39 25.4 246.4 3.7 50.2 231 139 02 35 01 02 40 00 I18443 21 30 40 37.7 235.2 2.7 43.4 51 139 02 40 00 02 41 30 --- 21 32 10 37.4 235.5 2.7 43.6 90 162 02 40 01 02 41 30 J1841-0348 21 32 10 35.5 235.6 2.8 43.7 -4 162 No stop 02 42 30 =1838-038 21 33 10 35.3 235.8 2.8 43.9 56 178 02 41 31 02 42 30 I18443 21 33 10 37.2 235.8 2.7 43.8 -4 178 No stop 02 44 00 --- 21 34 40 37.0 236.1 2.8 44.0 86 201 02 42 31 02 44 00 J1841-0348 21 34 40 35.0 236.2 2.9 44.1 -4 201 No stop 02 45 00 =1838-038 21 35 40 34.9 236.4 2.9 44.2 56 216 02 44 01 02 45 00 I18443 21 35 40 36.8 236.3 2.8 44.1 -4 216 No stop 02 46 30 --- 21 37 11 36.5 236.7 2.8 44.3 86 240 02 45 01 02 46 30 J1841-0348 21 37 11 34.6 236.7 2.9 44.4 -4 240 No stop 02 47 30 =1838-038 21 38 11 34.4 236.9 2.9 44.6 56 255 02 46 31 02 47 30 I18443 21 38 11 36.3 236.9 2.8 44.5 -4 255 No stop 02 49 00 --- 21 39 41 36.1 237.2 2.9 44.7 86 278 02 47 31 02 49 30 J1841-0348 21 40 11 34.1 237.4 3.0 44.9 26 278 02 49 30 02 50 00 =1838-038 21 40 41 34.0 237.5 3.0 44.9 30 286 02 49 31 02 50 00 I18443 21 40 41 35.9 237.4 2.9 44.8 -4 286 No stop 02 51 30 --- 21 42 11 35.6 237.8 2.9 45.0 86 309 02 50 01 02 51 30 J1841-0348 21 42 11 33.7 237.8 3.0 45.1 -4 309 No stop 02 52 30 =1838-038 21 43 12 33.5 238.0 3.0 45.3 56 325 02 51 31 02 52 30 I18443 21 43 12 35.5 238.0 2.9 45.2 -4 325 No stop 02 54 00 --- 21 44 42 35.2 238.3 2.9 45.4 86 348 02 52 31 Schedule for KVNTN (Code Kt ) Page 3 Proper motion and B-field of H2O-WFPN I18443-0231 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2025 Day 57 --- 02 54 00 J1841-0348 21 44 42 33.3 238.3 3.0 45.5 -4 348 No stop 02 55 00 =1838-038 21 45 42 33.1 238.5 3.0 45.6 56 363 02 54 01 02 55 00 I18443 21 45 42 35.0 238.5 3.0 45.5 -4 363 No stop 02 56 30 --- 21 47 12 34.8 238.8 3.0 45.7 86 386 02 55 01 02 56 30 J1841-0348 21 47 12 32.8 238.8 3.1 45.8 -4 386 No stop 02 57 30 =1838-038 21 48 12 32.6 239.0 3.1 45.9 56 402 02 56 31 02 57 30 I18443 21 48 12 34.6 239.0 3.0 45.9 -4 402 No stop 02 59 00 --- 21 49 43 34.3 239.4 3.0 46.0 86 425 02 57 31 02 59 30 J1841-0348 21 50 13 32.3 239.4 3.1 46.2 26 425 02 59 30 03 00 00 =1838-038 21 50 43 32.2 239.6 3.1 46.2 30 433 02 59 31 03 00 00 I18443 21 50 43 34.1 239.6 3.0 46.2 -4 433 No stop 03 01 30 --- 21 52 13 33.8 239.9 3.1 46.4 86 456 03 00 01 03 01 30 J1841-0348 21 52 13 31.9 239.9 3.2 46.4 -4 456 No stop 03 02 30 =1838-038 21 53 13 31.7 240.1 3.2 46.5 56 471 03 01 31 03 02 30 I18443 21 53 13 33.7 240.1 3.1 46.5 -4 471 No stop 03 04 00 --- 21 54 44 33.4 240.4 3.1 46.7 86 495 03 02 31 03 04 00 J1841-0348 21 54 44 31.5 240.4 3.2 46.7 -4 495 No stop 03 05 00 =1838-038 21 55 44 31.3 240.6 3.2 46.9 56 510 03 04 01 03 05 00 I18443 21 55 44 33.2 240.6 3.1 46.8 -4 510 No stop 03 06 30 --- 21 57 14 32.9 240.9 3.1 47.0 86 533 03 05 01 03 06 30 J1841-0348 21 57 14 31.0 240.9 3.2 47.0 -4 533 No stop 03 07 30 =1838-038 21 58 14 30.8 241.1 3.3 47.2 56 549 03 06 31 03 07 30 I18443 21 58 14 32.8 241.1 3.2 47.1 -4 549 No stop 03 09 00 --- 21 59 44 32.5 241.4 3.2 47.3 86 572 03 07 31 03 09 30 J1841-0348 22 00 14 30.5 241.5 3.3 47.4 26 572 03 09 30 03 10 00 =1838-038 22 00 45 30.4 241.6 3.3 47.4 30 580 03 09 31 03 10 00 I18443 22 00 45 32.3 241.6 3.2 47.4 -4 580 No stop 03 11 30 --- 22 02 15 32.0 241.9 3.2 47.6 86 603 03 10 01 03 11 30 J1841-0348 22 02 15 30.1 241.8 3.3 47.6 -4 603 No stop 03 12 30 =1838-038 22 03 15 29.9 242.0 3.3 47.7 56 618 03 11 31 Schedule for KVNTN (Code Kt ) Page 4 Proper motion and B-field of H2O-WFPN I18443-0231 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2025 Day 57 --- 03 12 30 I18443 22 03 15 31.8 242.1 3.2 47.7 -4 618 No stop 03 14 00 --- 22 04 45 31.6 242.4 3.3 47.9 86 642 03 12 31 03 14 00 J1841-0348 22 04 45 29.6 242.3 3.4 47.9 -4 642 No stop 03 15 00 =1838-038 22 05 45 29.4 242.5 3.4 48.0 56 657 03 14 01 03 15 00 I18443 22 05 45 31.4 242.6 3.3 48.0 -4 657 No stop 03 16 30 --- 22 07 16 31.1 242.9 3.3 48.1 86 680 03 15 01 03 16 30 J1841-0348 22 07 16 29.2 242.8 3.4 48.2 -4 680 No stop 03 17 30 =1838-038 22 08 16 29.0 243.0 3.4 48.3 56 696 03 16 31 03 17 30 I18443 22 08 16 30.9 243.1 3.3 48.3 -4 696 No stop 03 19 00 --- 22 09 46 30.6 243.4 3.4 48.4 86 719 03 17 31 03 19 30 J1841-0348 22 10 16 28.6 243.4 3.5 48.5 26 719 03 19 30 03 20 00 =1838-038 22 10 46 28.5 243.5 3.5 48.6 30 727 03 19 31 03 20 00 I18443 22 10 46 30.4 243.6 3.4 48.5 -4 727 No stop 03 21 30 --- 22 12 16 30.2 243.9 3.4 48.7 86 750 03 20 01 03 21 30 J1841-0348 22 12 16 28.2 243.8 3.5 48.7 -4 750 No stop 03 22 30 =1838-038 22 13 17 28.0 243.9 3.5 48.8 56 765 03 21 31 03 22 30 I18443 22 13 17 30.0 244.1 3.4 48.8 -4 765 No stop 03 24 00 --- 22 14 47 29.7 244.4 3.4 49.0 86 788 03 22 31 03 24 00 J1841-0348 22 14 47 27.8 244.2 3.5 49.0 -4 788 No stop 03 25 00 =1838-038 22 15 47 27.6 244.4 3.6 49.1 56 804 03 24 01 03 25 00 I18443 22 15 47 29.5 244.5 3.5 49.1 -4 804 No stop 03 26 30 --- 22 17 17 29.2 244.8 3.5 49.2 86 827 03 25 01 03 26 30 J1841-0348 22 17 17 27.3 244.7 3.6 49.2 -4 827 No stop 03 27 30 =1838-038 22 18 17 27.1 244.9 3.6 49.3 56 842 03 26 31 03 27 30 I18443 22 18 17 29.0 245.0 3.5 49.3 -4 842 No stop 03 29 00 --- 22 19 48 28.7 245.3 3.5 49.5 86 866 03 27 31 03 29 30 J1841-0348 22 20 18 26.7 245.2 3.6 49.5 26 866 03 29 30 03 30 00 =1838-038 22 20 48 26.6 245.3 3.6 49.6 30 873 03 29 31 03 30 00 I18443 22 20 48 28.5 245.5 3.5 49.6 -4 873 No stop 03 31 30 --- 22 22 18 28.3 245.7 3.6 49.7 86 897 03 30 01 Schedule for KVNTN (Code Kt ) Page 5 Proper motion and B-field of H2O-WFPN I18443-0231 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2025 Day 57 --- 03 32 30 J1743-0350 22 23 18 14.8 255.1 4.6 54.1 50 897 03 32 30 03 36 30 =1741-038 22 27 19 14.0 255.7 4.7 54.3 240 958 03 32 31 03 37 00 I18443 22 27 49 27.2 246.8 3.7 50.2 20 958 03 37 00 03 38 30 --- 22 29 19 26.9 247.0 3.7 50.4 90 982 03 37 01 03 38 30 J1841-0348 22 29 19 25.0 246.8 3.8 50.4 -4 982 No stop 03 39 30 =1838-038 22 30 19 24.8 247.0 3.8 50.5 56 997 03 38 31 03 39 30 I18443 22 30 19 26.7 247.2 3.7 50.5 -4 997 No stop 03 41 00 --- 22 31 50 26.4 247.5 3.7 50.6 86 1020 03 39 31 03 41 00 J1841-0348 22 31 50 24.5 247.3 3.8 50.6 -4 1020 No stop 03 42 00 =1838-038 22 32 50 24.3 247.5 3.8 50.7 56 1036 03 41 01 03 42 00 I18443 22 32 50 26.2 247.6 3.7 50.7 -4 1036 No stop 03 43 30 --- 22 34 20 25.9 247.9 3.8 50.8 86 1059 03 42 01 03 43 30 J1841-0348 22 34 20 24.0 247.7 3.9 50.8 -4 1059 No stop 03 44 30 =1838-038 22 35 20 23.8 247.9 3.9 50.9 56 1074 03 43 31 03 44 30 I18443 22 35 20 25.8 248.1 3.8 50.9 -4 1074 No stop 03 46 00 --- 22 36 50 25.5 248.3 3.8 51.0 86 1098 03 44 31 03 46 30 J1841-0348 22 37 21 23.4 248.2 3.9 51.1 26 1098 03 46 30 03 47 00 =1838-038 22 37 51 23.3 248.3 3.9 51.1 30 1105 03 46 31 03 47 00 I18443 22 37 51 25.3 248.5 3.8 51.1 -4 1105 No stop 03 48 30 --- 22 39 21 25.0 248.8 3.9 51.3 86 1128 03 47 01 03 48 30 J1841-0348 22 39 21 23.0 248.6 3.9 51.2 -4 1128 No stop 03 49 30 =1838-038 22 40 21 22.9 248.7 4.0 51.3 56 1144 03 48 31 03 49 30 I18443 22 40 21 24.8 249.0 3.9 51.3 -4 1144 No stop 03 51 00 --- 22 41 51 24.5 249.2 3.9 51.5 86 1167 03 49 31 03 51 00 J1841-0348 22 41 51 22.6 249.0 4.0 51.5 -4 1167 No stop 03 52 00 =1838-038 22 42 51 22.4 249.2 4.0 51.5 56 1183 03 51 01 03 52 00 I18443 22 42 51 24.3 249.4 3.9 51.5 -4 1183 No stop 03 53 30 --- 22 44 22 24.0 249.6 3.9 51.7 86 1206 03 52 01 03 53 30 J1841-0348 22 44 22 22.1 249.4 4.0 51.7 -4 1206 No stop 03 54 30 =1838-038 22 45 22 21.9 249.6 4.0 51.7 56 1221 03 53 31 Schedule for KVNTN (Code Kt ) Page 6 Proper motion and B-field of H2O-WFPN I18443-0231 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2025 Day 57 --- 03 54 30 I18443 22 45 22 23.8 249.8 4.0 51.7 -4 1221 No stop 03 56 00 --- 22 46 52 23.5 250.1 4.0 51.9 86 1244 03 54 31 03 56 30 J1841-0348 22 47 22 21.5 249.9 4.1 51.9 26 1244 03 56 30 03 57 00 =1838-038 22 47 52 21.4 250.0 4.1 51.9 30 1252 03 56 31 03 57 00 I18443 22 47 52 23.3 250.2 4.0 51.9 -4 1252 No stop 03 58 30 --- 22 49 22 23.0 250.5 4.0 52.1 86 1275 03 57 01 03 58 30 J1841-0348 22 49 22 21.1 250.2 4.1 52.0 -4 1275 No stop 03 59 30 =1838-038 22 50 23 20.9 250.4 4.1 52.1 56 1291 03 58 31 03 59 30 I18443 22 50 23 22.8 250.6 4.0 52.1 -4 1291 No stop 04 01 00 --- 22 51 53 22.5 250.9 4.1 52.2 86 1314 03 59 31 04 01 00 J1841-0348 22 51 53 20.6 250.7 4.2 52.2 -4 1314 No stop 04 02 00 =1838-038 22 52 53 20.4 250.8 4.2 52.3 56 1329 04 01 01 04 02 00 I18443 22 52 53 22.3 251.1 4.1 52.3 -4 1329 No stop 04 03 30 --- 22 54 23 22.0 251.3 4.1 52.4 86 1353 04 02 01 04 03 30 J1841-0348 22 54 23 20.1 251.1 4.2 52.4 -4 1353 No stop 04 04 30 =1838-038 22 55 23 19.9 251.2 4.2 52.5 56 1368 04 03 31 04 04 30 I18443 22 55 23 21.8 251.5 4.1 52.5 -4 1368 No stop 04 06 00 --- 22 56 54 21.5 251.7 4.1 52.6 86 1391 04 04 31 04 06 30 J1841-0348 22 57 24 19.5 251.6 4.2 52.6 26 1391 04 06 30 04 07 00 =1838-038 22 57 54 19.4 251.6 4.3 52.7 30 1399 04 06 31 04 07 00 I18443 22 57 54 21.3 251.9 4.2 52.7 -4 1399 No stop 04 08 30 --- 22 59 24 21.0 252.1 4.2 52.8 86 1422 04 07 01 04 08 30 J1841-0348 22 59 24 19.1 251.9 4.3 52.8 -4 1422 No stop 04 09 30 =1838-038 23 00 24 18.9 252.0 4.3 52.8 56 1438 04 08 31 04 09 30 I18443 23 00 24 20.8 252.3 4.2 52.8 -4 1438 No stop 04 11 00 --- 23 01 55 20.5 252.5 4.2 52.9 86 1461 04 09 31 04 11 00 J1841-0348 23 01 55 18.6 252.3 4.3 52.9 -4 1461 No stop 04 12 00 =1838-038 23 02 55 18.4 252.4 4.3 53.0 56 1476 04 11 01 04 12 00 I18443 23 02 55 20.3 252.7 4.2 53.0 -4 1476 No stop 04 13 30 --- 23 04 25 20.0 252.9 4.3 53.1 86 1499 04 12 01 Schedule for KVNTN (Code Kt ) Page 7 Proper motion and B-field of H2O-WFPN I18443-0231 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2025 Day 57 --- 04 13 30 J1841-0348 23 04 25 18.1 252.7 4.4 53.1 -4 1499 No stop 04 14 30 =1838-038 23 05 25 17.9 252.8 4.4 53.2 56 1515 04 13 31 04 14 30 I18443 23 05 25 19.8 253.1 4.3 53.2 -4 1515 No stop 04 16 00 --- 23 06 55 19.5 253.3 4.3 53.3 86 1538 04 14 31 04 16 30 J1841-0348 23 07 25 17.5 253.1 4.4 53.3 26 1538 04 16 30 04 17 00 =1838-038 23 07 56 17.4 253.2 4.4 53.3 30 1546 04 16 31 04 17 00 I18443 23 07 56 19.3 253.5 4.3 53.3 -4 1546 No stop 04 18 30 --- 23 09 26 19.0 253.7 4.4 53.4 86 1569 04 17 01 04 18 30 J1841-0348 23 09 26 17.1 253.5 4.4 53.4 -4 1569 No stop 04 19 30 =1838-038 23 10 26 16.9 253.6 4.5 53.5 56 1584 04 18 31 04 19 30 I18443 23 10 26 18.8 253.9 4.4 53.5 -4 1584 No stop 04 21 00 --- 23 11 56 18.5 254.1 4.4 53.6 86 1608 04 19 31 04 21 00 J1841-0348 23 11 56 16.6 253.8 4.5 53.6 -4 1608 No stop 04 22 00 =1838-038 23 12 56 16.4 254.0 4.5 53.6 56 1623 04 21 01 04 22 00 I18443 23 12 56 18.3 254.3 4.4 53.6 -4 1623 No stop 04 23 30 --- 23 14 27 18.0 254.5 4.4 53.7 86 1646 04 22 01 04 23 30 J1841-0348 23 14 27 16.1 254.2 4.5 53.7 -4 1646 No stop 04 24 30 =1838-038 23 15 27 15.9 254.4 4.5 53.8 56 1662 04 23 31 04 24 30 I18443 23 15 27 17.8 254.7 4.5 53.8 -4 1662 No stop 04 26 00 --- 23 16 57 17.5 254.9 4.5 53.9 86 1685 04 24 31 04 26 30 J1841-0348 23 17 27 15.5 254.7 4.6 53.9 26 1685 04 26 30 04 27 00 =1838-038 23 17 57 15.4 254.8 4.6 53.9 30 1693 04 26 31 04 27 00 I18443 23 17 57 17.3 255.1 4.5 53.9 -4 1693 No stop 04 28 30 --- 23 19 27 17.0 255.3 4.5 54.0 86 1716 04 27 01 04 29 00 J1751+0939 23 19 57 12.1 273.7 5.5 57.8 18 1716 04 29 00 04 34 00 =1749+096 23 24 58 11.0 274.4 5.5 57.7 300 1793 04 29 01 04 40 00 I18443 23 30 59 14.7 257.0 4.7 54.6 348 1793 04 40 00 04 41 30 --- 23 32 30 14.4 257.3 4.7 54.7 90 1816 04 40 01 04 41 30 J1841-0348 23 32 30 12.4 256.9 4.8 54.7 -4 1816 No stop 04 42 30 =1838-038 23 33 30 12.2 257.1 4.8 54.7 56 1832 04 41 31 Schedule for KVNTN (Code Kt ) Page 8 Proper motion and B-field of H2O-WFPN I18443-0231 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2025 Day 57 --- 04 42 30 I18443 23 33 30 14.1 257.4 4.8 54.7 -4 1832 No stop 04 44 00 --- 23 35 00 13.8 257.6 4.8 54.8 86 1855 04 42 31 04 44 00 J1841-0348 23 35 00 11.9 257.3 4.9 54.8 -4 1855 No stop 04 45 00 =1838-038 23 36 00 11.7 257.5 4.9 54.9 56 1870 04 44 01 04 45 00 I18443 23 36 00 13.6 257.8 4.8 54.9 -4 1870 No stop 04 46 30 --- 23 37 30 13.3 258.0 4.8 54.9 86 1894 04 45 01 04 46 30 J1841-0348 23 37 30 11.4 257.7 4.9 54.9 -4 1894 No stop 04 47 30 =1838-038 23 38 31 11.2 257.8 4.9 55.0 56 1909 04 46 31 04 47 30 I18443 23 38 31 13.1 258.1 4.8 55.0 -4 1909 No stop 04 49 00 --- 23 40 01 12.8 258.4 4.9 55.0 86 1932 04 47 31 04 49 30 J1841-0348 23 40 31 10.8 258.1 5.0 55.1 26 1932 04 49 30 04 50 00 =1838-038 23 41 01 10.7 258.2 5.0 55.1 30 1940 04 49 31 04 50 00 I18443 23 41 01 12.6 258.5 4.9 55.1 -4 1940 No stop 04 51 30 --- 23 42 31 12.3 258.7 4.9 55.1 86 1963 04 50 01 04 51 30 J1841-0348 23 42 31 10.4 258.4 5.0 55.2 -4 1963 No stop 04 52 30 =1838-038 23 43 31 10.2 258.6 5.0 55.2 56 1979 04 51 31 04 52 30 I18443 23 43 31 12.1 258.9 4.9 55.2 -4 1979 No stop 04 54 00 --- 23 45 02 11.8 259.1 4.9 55.2 86 2002 04 52 31 04 54 00 J1841-0348 23 45 02 9.9 258.8 5.0 55.3 -4 2002 No stop 04 55 00 =1838-038 23 46 02 9.7 258.9 5.1 55.3 56 2017 04 54 01 04 55 00 I18443 23 46 02 11.6 259.2 5.0 55.3 -4 2017 No stop 04 56 30 --- 23 47 32 11.3 259.5 5.0 55.3 86 2040 04 55 01 04 56 30 J1841-0348 23 47 32 9.4 259.1 5.1 55.4 -4 2040 No stop 04 57 30 =1838-038 23 48 32 9.2 259.3 5.1 55.4 56 2056 04 56 31 04 57 30 I18443 23 48 32 11.1 259.6 5.0 55.4 -4 2056 No stop 04 59 00 --- 23 50 02 10.8 259.8 5.0 55.4 86 2079 04 57 31 04 59 30 J1841-0348 23 50 32 8.8 259.6 5.1 55.5 26 2079 04 59 30 05 00 00 =1838-038 23 51 03 8.6 259.6 5.1 55.5 30 2087 04 59 31 05 00 00 I18443 23 51 03 10.6 260.0 5.0 55.5 -4 2087 No stop 05 01 30 --- 23 52 33 10.2 260.2 5.1 55.5 86 2110 05 00 01 Schedule for KVNTN (Code Kt ) Page 9 Proper motion and B-field of H2O-WFPN I18443-0231 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2025 Day 57 --- 05 01 30 J1841-0348 23 52 33 8.3 259.9 5.2 55.6 -4 2110 No stop 05 02 30 =1838-038 23 53 33 8.1 260.0 5.2 55.6 56 2126 05 01 31 05 02 30 I18443 23 53 33 10.0 260.3 5.1 55.6 -4 2126 No stop 05 04 00 --- 23 55 03 9.7 260.5 5.1 55.6 86 2149 05 02 31 05 04 00 J1841-0348 23 55 03 7.8 260.2 5.2 55.6 -4 2149 No stop 05 05 00 =1838-038 23 56 03 7.6 260.4 5.2 55.7 56 2164 05 04 01 05 05 00 I18443 23 56 03 9.5 260.7 5.1 55.7 -4 2164 No stop 05 06 30 --- 23 57 34 9.2 260.9 5.2 55.7 86 2187 05 05 01 05 06 30 J1841-0348 23 57 34 7.3 260.6 5.2 55.7 -4 2187 No stop 05 07 30 =1838-038 23 58 34 7.1 260.7 5.3 55.8 56 2203 05 06 31 05 07 30 I18443 23 58 34 9.0 261.0 5.2 55.7 -4 2203 No stop 05 09 00 --- 00 00 04 8.7 261.3 5.2 55.8 86 2226 05 07 31 05 09 30 J1841-0348 00 00 34 6.7 261.0 5.3 55.8 26 2226 05 09 30 05 10 00 =1838-038 00 01 04 6.6 261.1 5.3 55.8 30 2234 05 09 31 05 10 00 I18443 00 01 04 8.5 261.4 5.2 55.8 -4 2234 No stop 05 11 30 --- 00 02 34 8.2 261.6 5.2 55.9 86 2257 05 10 01 05 11 30 J1841-0348 00 02 34 6.3 261.3 5.3 55.9 -4 2257 No stop 05 12 30 =1838-038 00 03 35 6.1 261.4 5.3 55.9 56 2272 05 11 31 05 12 30 I18443 00 03 35 8.0 261.8 5.3 55.9 -4 2272 No stop 05 14 00 --- 00 05 05 7.7 262.0 5.3 55.9 86 2296 05 12 31 05 14 00 J1841-0348 00 05 05 5.8 261.6 5.4 56.0 -4 2296 No stop 05 15 00 =1838-038 00 06 05 5.5 261.8 5.4 56.0 56 2311 05 14 01 05 15 00 I18443 00 06 05 7.4 262.1 5.3 56.0 -4 2311 No stop 05 16 30 --- 00 07 35 7.1 262.3 5.3 56.0 86 2334 05 15 01 05 16 30 J1841-0348 00 07 35 5.2 262.0 5.4 56.1 -4 2334 No stop 05 17 30 =1838-038 00 08 35 5.0 262.1 5.4 56.1 56 2350 05 16 31 05 17 30 I18443 00 08 35 6.9 262.5 5.3 56.0 -4 2350 No stop 05 19 00 --- 00 10 06 6.6 262.7 5.4 56.1 86 2373 05 17 31 05 20 00 I18443 00 11 06 6.4 262.8 5.4 56.1 58 2373 05 20 00 05 21 30 --- 00 12 36 6.1 263.0 5.4 56.1 90 2396 05 20 01 Schedule for KVNTN (Code Kt ) Page 10 Proper motion and B-field of H2O-WFPN I18443-0231 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2025 Day 57 --- 05 22 30 I18443 00 13 36 5.9 263.2 5.4 56.2 58 2396 05 22 30 05 24 00 --- 00 15 07 5.6 263.4 5.4 56.2 90 2419 05 22 31 05 25 00 I18443 00 16 07 5.4 263.5 5.5 56.2 58 2419 05 25 00 05 26 30 --- 00 17 37 5.1 263.7 5.5 56.3 90 2442 05 25 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess125.K2048 --- 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: 11 Station: KVNTN Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 Net SB= L U L U L U L U L U L U L U L U IF SB = L L L L L L L L L L L L L L L L Pol. = LCP LCP LCP LCP LCP LCP LCP LCP RCP RCP RCP RCP RCP RCP RCP RCP BBC = 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 BBC SB= U L U L U L U L U L U L U L U L IF = A A A A A A A A B B B B B B B B The following frequency sets based on these setups were used. Frequency Set: 11 Setup file default. Used with PCAL = off LO sum= 22125.26 22125.26 22189.26 22189.26 22253.26 22253.26 22317.26 22317.26 22125.26 22125.26 22189.26 22189.26 22253.26 22253.26 22317.26 22317.26 BBC fr= 11874.74 11874.74 11810.74 11810.74 11746.74 11746.74 11682.74 11682.74 11874.74 11874.74 11810.74 11810.74 11746.74 11746.74 11682.74 11682.74 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: 11 12 13 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) * I18443 18 44 23.762957 * 18 47 00.401200 18 48 18.493662 0.00 -02 31 11.09401 *-02 27 52.55200 -02 26 24.53928 0.00 From catalog imbedded in main SCHED input file. 1838-038 18 38 49.113418 * 18 41 27.313257 18 42 46.220294 1.92 * J1841-0348 -03 51 38.98791 *-03 48 44.35192 -03 47 27.97275 2.58 From catalog imbedded in main SCHED input file. rfc_2024b Petrov and Kovalev, in preparation 44 observations 1741-038 17 41 20.616012 * 17 43 58.856136 17 45 18.092143 0.08 * J1743-0350 -03 48 48.89990 *-03 50 04.61670 -03 50 54.25140 0.18 From catalog imbedded in main SCHED input file. rfc_2024b Petrov and Kovalev, in preparation 346318 observations 1749+096 17 49 10.387932 * 17 51 32.818575 17 52 44.045534 0.10 * J1751+0939 09 39 42.82589 * 09 39 00.72844 09 38 23.48975 0.16 From catalog imbedded in main SCHED input file. rfc_2024b Petrov and Kovalev, in preparation 307945 observations 2251+158 22 51 29.519752 * 22 53 57.747951 22 55 10.942580 0.11 * J2253+1608 15 52 54.34815 * 16 08 53.56098 16 16 48.80801 0.15 From catalog imbedded in main SCHED input file. rfc_2024b Petrov and Kovalev, in preparation 52698 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 I18443 sess125.K2048 1 2 3 4 5 6 7 8 10 11 14 5.250 172.862 J1841-0348 sess125.K2048 1 2 3 4 5 6 7 8 10 11 14 2.917 83.074 J1743-0350 sess125.K2048 1 2 3 4 5 6 7 8 10 11 14 0.667 24.249 J1751+0939 sess125.K2048 1 2 3 4 5 6 7 8 10 11 14 0.300 17.597 J2253+1608 sess125.K2048 1 2 3 4 6 7 8 10 0.067 2.263 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) I18443 57.6 J1841-0348 58.7 J1743-0350 72.9 J1751+0939 73.4 J2253+1608 25.2 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