COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: Resolving extreme star formation and AGN activity in a high redshift qua Exp. Code: gm076 Schedule Version: 1.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: John McKean Address: ASTRON Postbus 2 7990 AA, Dwingeloo the Netherlands Phone: +31 521 595 780 EMAIL: mckean@astron.nl Fax: +31 521 595 101 Phone during observation: +31 624 328 991 Observing mode: 18cm 1024-8-2 Notes: Schedule for VLBA_NL (Code Nl ) Page 2 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- Next scan frequencies: 1594.00 1594.00 1626.00 1626.00 1658.00 1658.00 1690.00 1690.00 Next BBC frequencies: 806.00 806.00 774.00 774.00 742.00 742.00 710.00 710.00 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 14 30 30 J0827+5217 01 13 17 22.2 38.7 -7.3 -49.6 0 0 14 30 30 14 32 00 =0824+524 01 14 47 22.4 38.9 -7.2 -49.8 90 12 14 30 31 14 32 00 APM08279+525 01 14 47 22.2 38.1 -7.3 -49.4 -8 12 14 32 08 14 35 30 --- 01 18 18 22.6 38.5 -7.2 -49.9 202 38 14 32 01 14 36 00 J0827+5217 01 18 48 22.8 39.3 -7.2 -50.4 22 38 14 36 00 14 37 30 =0824+524 01 20 18 23.0 39.4 -7.2 -50.7 90 49 14 36 01 14 37 30 APM08279+525 01 20 18 22.9 38.7 -7.2 -50.2 -8 49 14 37 38 14 41 00 --- 01 23 48 23.3 39.0 -7.2 -50.8 202 75 14 37 31 14 41 00 J0827+5217 01 23 48 23.4 39.8 -7.1 -51.2 -8 75 14 41 08 14 42 30 =0824+524 01 25 19 23.6 40.0 -7.1 -51.5 82 86 14 41 01 14 42 30 APM08279+525 01 25 19 23.4 39.2 -7.1 -51.0 -8 86 14 42 38 14 46 00 --- 01 28 49 23.9 39.6 -7.1 -51.6 202 112 14 42 31 14 46 30 J0827+5217 01 29 19 24.1 40.4 -7.0 -52.1 22 112 14 46 30 14 48 00 =0824+524 01 30 50 24.3 40.5 -7.0 -52.3 90 123 14 46 31 14 48 00 APM08279+525 01 30 50 24.1 39.8 -7.0 -51.9 -8 123 14 48 08 14 51 30 --- 01 34 20 24.5 40.1 -7.0 -52.4 202 149 14 48 01 14 51 30 J0827+5217 01 34 20 24.7 40.9 -6.9 -52.9 -8 149 14 51 38 14 53 00 =0824+524 01 35 50 24.9 41.1 -6.9 -53.1 82 160 14 51 31 14 53 00 APM08279+525 01 35 50 24.7 40.3 -7.0 -52.7 -8 160 14 53 08 14 56 30 --- 01 39 21 25.1 40.6 -6.9 -53.2 202 186 14 53 01 14 57 00 J0827+5217 01 39 51 25.4 41.5 -6.8 -53.7 22 186 14 57 00 14 58 30 =0824+524 01 41 21 25.6 41.6 -6.8 -54.0 90 198 14 57 01 14 58 30 APM08279+525 01 41 21 25.4 40.8 -6.9 -53.5 -8 198 14 58 38 15 02 00 --- 01 44 52 25.8 41.2 -6.8 -54.1 202 224 14 58 31 15 02 00 J0827+5217 01 44 52 26.0 42.0 -6.7 -54.5 -8 224 15 02 08 15 03 30 =0824+524 01 46 22 26.2 42.1 -6.7 -54.7 82 234 15 02 01 15 03 30 APM08279+525 01 46 22 26.0 41.3 -6.8 -54.3 -8 234 15 03 38 15 07 00 --- 01 49 53 26.4 41.7 -6.7 -54.9 202 260 15 03 31 Schedule for VLBA_NL (Code Nl ) Page 3 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 15 07 30 J0827+5217 01 50 23 26.7 42.5 -6.7 -55.3 22 260 15 07 30 15 09 00 =0824+524 01 51 53 26.9 42.6 -6.6 -55.6 90 272 15 07 31 15 09 00 APM08279+525 01 51 53 26.7 41.9 -6.7 -55.2 -8 272 15 09 08 15 12 30 --- 01 55 24 27.1 42.2 -6.6 -55.7 202 298 15 09 01 15 12 30 J0827+5217 01 55 24 27.3 43.0 -6.6 -56.1 -8 298 15 12 38 15 14 00 =0824+524 01 56 54 27.5 43.1 -6.5 -56.4 82 308 15 12 31 15 14 00 APM08279+525 01 56 54 27.3 42.3 -6.6 -56.0 -8 308 15 14 08 15 17 30 --- 02 00 24 27.7 42.7 -6.5 -56.5 202 334 15 14 01 15 18 00 J0827+5217 02 00 54 28.0 43.5 -6.5 -57.0 22 334 15 18 00 15 19 30 =0824+524 02 02 25 28.2 43.6 -6.5 -57.2 90 346 15 18 01 15 19 30 APM08279+525 02 02 25 28.0 42.9 -6.5 -56.8 -8 346 15 19 38 15 23 00 --- 02 05 55 28.4 43.2 -6.5 -57.4 202 372 15 19 31 15 23 00 J0827+5217 02 05 55 28.7 44.0 -6.4 -57.7 -8 372 15 23 08 15 24 30 =0824+524 02 07 26 28.9 44.1 -6.4 -58.0 82 383 15 23 01 15 24 30 APM08279+525 02 07 26 28.6 43.3 -6.4 -57.6 -8 383 15 24 38 15 28 00 --- 02 10 56 29.1 43.7 -6.4 -58.1 202 409 15 24 31 15 28 30 J0827+5217 02 11 26 29.4 44.5 -6.3 -58.6 22 409 15 28 30 15 30 00 =0824+524 02 12 56 29.6 44.6 -6.3 -58.8 90 420 15 28 31 15 30 00 APM08279+525 02 12 56 29.3 43.8 -6.3 -58.4 -8 420 15 30 08 15 33 30 --- 02 16 27 29.8 44.2 -6.3 -59.0 202 446 15 30 01 15 33 30 J0827+5217 02 16 27 30.0 44.9 -6.2 -59.3 -8 446 15 33 38 15 35 00 =0824+524 02 17 57 30.2 45.1 -6.2 -59.6 82 457 15 33 31 15 35 00 APM08279+525 02 17 57 30.0 44.3 -6.3 -59.2 -8 457 15 35 08 15 38 30 --- 02 21 28 30.4 44.6 -6.2 -59.8 202 483 15 35 01 15 39 00 J0827+5217 02 21 58 30.8 45.4 -6.1 -60.2 22 483 15 39 00 15 40 30 =0824+524 02 23 28 31.0 45.6 -6.1 -60.4 90 494 15 39 01 15 40 30 APM08279+525 02 23 28 30.7 44.8 -6.2 -60.1 -8 494 15 40 38 15 44 00 --- 02 26 59 31.2 45.1 -6.1 -60.6 202 520 15 40 31 15 44 00 J0827+5217 02 26 59 31.4 45.9 -6.0 -60.9 -8 520 15 44 08 15 45 30 =0824+524 02 28 29 31.6 46.0 -6.0 -61.2 82 531 15 44 01 Schedule for VLBA_NL (Code Nl ) Page 4 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 15 45 30 APM08279+525 02 28 29 31.4 45.2 -6.1 -60.8 -8 531 15 45 38 15 49 00 --- 02 32 00 31.8 45.5 -6.0 -61.4 202 557 15 45 31 15 49 30 J0827+5217 02 32 30 32.2 46.4 -5.9 -61.8 22 557 15 49 30 15 51 00 =0824+524 02 34 00 32.4 46.5 -5.9 -62.0 90 569 15 49 31 15 51 00 APM08279+525 02 34 00 32.1 45.7 -6.0 -61.7 -8 569 15 51 08 15 54 30 --- 02 37 30 32.6 46.0 -5.9 -62.2 202 595 15 51 01 15 54 30 J0827+5217 02 37 30 32.9 46.8 -5.9 -62.5 -8 595 15 54 38 15 56 00 =0824+524 02 39 01 33.1 46.9 -5.8 -62.8 82 605 15 54 31 15 56 00 APM08279+525 02 39 01 32.8 46.1 -5.9 -62.5 -8 605 15 56 08 15 59 30 --- 02 42 31 33.2 46.4 -5.8 -63.0 202 631 15 56 01 16 00 00 J0827+5217 02 43 01 33.6 47.2 -5.8 -63.4 22 631 16 00 00 16 01 30 =0824+524 02 44 32 33.8 47.4 -5.7 -63.6 90 643 16 00 01 16 01 30 APM08279+525 02 44 32 33.5 46.6 -5.8 -63.3 -8 643 16 01 38 16 05 00 --- 02 48 02 34.0 46.8 -5.8 -63.8 202 669 16 01 31 16 05 00 J0827+5217 02 48 02 34.3 47.6 -5.7 -64.1 -8 669 16 05 08 16 06 30 =0824+524 02 49 32 34.5 47.8 -5.7 -64.4 82 679 16 05 01 16 06 30 APM08279+525 02 49 32 34.2 47.0 -5.7 -64.1 -8 679 16 06 38 16 10 00 --- 02 53 03 34.7 47.2 -5.7 -64.6 202 705 16 06 31 16 10 30 J0827+5217 02 53 33 35.1 48.1 -5.6 -65.0 22 705 16 10 30 16 12 00 =0824+524 02 55 03 35.3 48.2 -5.6 -65.2 90 717 16 10 31 16 12 00 APM08279+525 02 55 03 34.9 47.4 -5.6 -64.9 -8 717 16 12 08 16 15 30 --- 02 58 34 35.4 47.7 -5.6 -65.5 202 743 16 12 01 16 15 30 J0827+5217 02 58 34 35.8 48.5 -5.5 -65.7 -8 743 16 15 38 16 17 00 =0824+524 03 00 04 36.0 48.6 -5.5 -66.0 82 754 16 15 31 16 17 00 APM08279+525 03 00 04 35.6 47.8 -5.6 -65.7 -8 754 16 17 08 16 20 30 --- 03 03 35 36.1 48.1 -5.5 -66.2 202 780 16 17 01 16 21 00 J0827+5217 03 04 05 36.5 48.9 -5.4 -66.6 22 780 16 21 00 16 22 30 =0824+524 03 05 35 36.8 49.0 -5.4 -66.8 90 791 16 21 01 16 22 30 APM08279+525 03 05 35 36.4 48.2 -5.5 -66.5 -8 791 16 22 38 16 26 00 --- 03 09 06 36.9 48.5 -5.4 -67.1 202 817 16 22 31 Schedule for VLBA_NL (Code Nl ) Page 5 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 16 26 00 J0827+5217 03 09 06 37.2 49.3 -5.3 -67.4 -8 817 16 26 08 16 27 30 =0824+524 03 10 36 37.5 49.4 -5.3 -67.6 82 828 16 26 01 16 32 30 4C39.25 03 15 37 22.7 57.3 -6.2 -53.8 260 828 16 32 30 16 37 30 --- 03 20 38 23.5 58.0 -6.1 -54.4 300 866 16 32 31 16 42 30 J0827+5217 03 25 38 39.6 50.5 -5.1 -69.9 260 866 16 42 30 16 44 30 =0824+524 03 27 39 39.9 50.6 -5.0 -70.2 120 882 16 42 31 16 44 30 APM08279+525 03 27 39 39.5 49.8 -5.1 -70.0 -8 882 16 44 38 16 48 00 --- 03 31 09 40.0 50.0 -5.0 -70.5 202 908 16 44 31 16 48 30 J0827+5217 03 31 39 40.5 50.9 -5.0 -70.8 21 908 16 48 30 16 50 00 =0824+524 03 33 10 40.7 51.0 -4.9 -71.1 90 920 16 48 31 16 50 00 APM08279+525 03 33 10 40.3 50.1 -5.0 -70.8 -9 920 16 50 09 16 53 30 --- 03 36 40 40.8 50.4 -4.9 -71.4 201 945 16 50 01 16 53 30 J0827+5217 03 36 40 41.2 51.2 -4.9 -71.6 -9 945 16 53 39 16 55 00 =0824+524 03 38 10 41.4 51.3 -4.9 -71.8 81 956 16 53 31 16 55 00 APM08279+525 03 38 10 41.0 50.5 -4.9 -71.6 -9 956 16 55 09 16 58 30 --- 03 41 41 41.5 50.7 -4.9 -72.2 201 982 16 55 01 16 59 00 J0827+5217 03 42 11 42.0 51.5 -4.8 -72.5 21 982 16 59 00 17 00 30 =0824+524 03 43 41 42.2 51.6 -4.8 -72.7 90 993 16 59 01 17 00 30 APM08279+525 03 43 41 41.8 50.8 -4.8 -72.5 -9 993 17 00 39 17 04 00 --- 03 47 12 42.3 51.0 -4.8 -73.0 201 1019 17 00 31 17 04 00 J0827+5217 03 47 12 42.7 51.8 -4.7 -73.2 -9 1019 17 04 09 17 05 30 =0824+524 03 48 42 43.0 51.9 -4.7 -73.5 81 1030 17 04 01 17 05 30 APM08279+525 03 48 42 42.5 51.1 -4.7 -73.3 -9 1030 17 05 39 17 09 00 --- 03 52 13 43.0 51.3 -4.7 -73.8 201 1056 17 05 31 17 09 30 J0827+5217 03 52 43 43.5 52.2 -4.6 -74.1 21 1056 17 09 30 17 11 00 =0824+524 03 54 13 43.8 52.3 -4.6 -74.3 90 1067 17 09 31 17 11 00 APM08279+525 03 54 13 43.3 51.4 -4.7 -74.2 -9 1067 17 11 09 17 14 30 --- 03 57 44 43.8 51.6 -4.6 -74.7 201 1093 17 11 01 17 14 30 J0827+5217 03 57 44 44.3 52.5 -4.5 -74.9 -9 1093 17 14 39 17 16 00 =0824+524 03 59 14 44.5 52.5 -4.5 -75.1 81 1103 17 14 31 Schedule for VLBA_NL (Code Nl ) Page 6 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 17 16 00 APM08279+525 03 59 14 44.1 51.7 -4.6 -75.0 -9 1103 17 16 09 17 19 30 --- 04 02 44 44.6 51.9 -4.5 -75.5 201 1129 17 16 01 17 20 00 J0827+5217 04 03 15 45.1 52.8 -4.4 -75.8 21 1129 17 20 00 17 21 30 =0824+524 04 04 45 45.3 52.8 -4.4 -76.0 90 1141 17 20 01 17 21 30 APM08279+525 04 04 45 44.9 52.0 -4.5 -75.9 -9 1141 17 21 39 17 25 00 --- 04 08 15 45.4 52.2 -4.4 -76.4 201 1167 17 21 31 17 25 00 J0827+5217 04 08 15 45.8 53.0 -4.4 -76.6 -9 1167 17 25 09 17 26 30 =0824+524 04 09 46 46.1 53.1 -4.3 -76.8 81 1177 17 25 01 17 26 30 APM08279+525 04 09 46 45.6 52.3 -4.4 -76.7 -9 1177 17 26 39 17 30 00 --- 04 13 16 46.1 52.4 -4.3 -77.2 201 1203 17 26 31 17 30 30 J0827+5217 04 13 46 46.7 53.3 -4.3 -77.5 21 1203 17 30 30 17 32 00 =0824+524 04 15 16 46.9 53.4 -4.2 -77.7 90 1215 17 30 31 17 32 00 APM08279+525 04 15 16 46.4 52.5 -4.3 -77.6 -9 1215 17 32 09 17 35 30 --- 04 18 47 46.9 52.7 -4.2 -78.1 201 1241 17 32 01 17 35 30 J0827+5217 04 18 47 47.4 53.5 -4.2 -78.3 -9 1241 17 35 39 17 37 00 =0824+524 04 20 17 47.6 53.6 -4.2 -78.5 81 1251 17 35 31 17 37 00 APM08279+525 04 20 17 47.2 52.8 -4.2 -78.4 -9 1251 17 37 09 17 40 30 --- 04 23 48 47.7 52.9 -4.2 -79.0 201 1277 17 37 01 17 41 00 J0827+5217 04 24 18 48.3 53.8 -4.1 -79.2 21 1277 17 41 00 17 42 30 =0824+524 04 25 48 48.5 53.8 -4.1 -79.5 90 1289 17 41 01 17 42 30 APM08279+525 04 25 48 48.0 53.0 -4.1 -79.3 -9 1289 17 42 39 17 46 00 --- 04 29 19 48.5 53.1 -4.1 -79.9 201 1314 17 42 31 17 46 00 J0827+5217 04 29 19 49.0 54.0 -4.0 -80.0 -9 1314 17 46 09 17 47 30 =0824+524 04 30 49 49.2 54.0 -4.0 -80.3 81 1325 17 46 01 17 47 30 APM08279+525 04 30 49 48.7 53.2 -4.0 -80.2 -9 1325 17 47 39 17 51 00 --- 04 34 20 49.3 53.3 -4.0 -80.8 201 1351 17 47 31 17 51 30 J0827+5217 04 34 50 49.8 54.2 -3.9 -81.0 21 1351 17 51 30 17 53 00 =0824+524 04 36 20 50.1 54.3 -3.9 -81.2 90 1362 17 51 31 17 53 00 APM08279+525 04 36 20 49.6 53.4 -3.9 -81.1 -9 1362 17 53 09 17 56 30 --- 04 39 51 50.1 53.5 -3.9 -81.7 201 1388 17 53 01 Schedule for VLBA_NL (Code Nl ) Page 7 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 17 56 30 J0827+5217 04 39 51 50.6 54.4 -3.8 -81.8 -9 1388 17 56 39 17 58 00 =0824+524 04 41 21 50.8 54.4 -3.8 -82.1 81 1399 17 56 31 17 58 00 APM08279+525 04 41 21 50.3 53.6 -3.9 -82.0 -9 1399 17 58 09 18 01 30 --- 04 44 51 50.8 53.7 -3.8 -82.6 201 1425 17 58 01 18 02 00 J0827+5217 04 45 21 51.4 54.6 -3.7 -82.8 21 1425 18 02 00 18 03 30 =0824+524 04 46 52 51.7 54.6 -3.7 -83.0 90 1436 18 02 01 18 03 30 APM08279+525 04 46 52 51.1 53.8 -3.8 -82.9 -9 1436 18 03 39 18 07 00 --- 04 50 22 51.7 53.9 -3.7 -83.5 201 1462 18 03 31 18 07 00 J0827+5217 04 50 22 52.2 54.7 -3.7 -83.6 -9 1462 18 07 09 18 08 30 =0824+524 04 51 52 52.4 54.7 -3.6 -83.9 81 1473 18 07 01 18 08 30 APM08279+525 04 51 52 51.9 53.9 -3.7 -83.8 -9 1473 18 08 39 18 12 00 --- 04 55 23 52.4 54.0 -3.6 -84.4 201 1498 18 08 31 18 12 30 J0827+5217 04 55 53 53.0 54.8 -3.6 -84.6 21 1498 18 12 30 18 14 00 =0824+524 04 57 23 53.3 54.9 -3.5 -84.9 90 1510 18 12 31 18 14 00 APM08279+525 04 57 23 52.7 54.0 -3.6 -84.8 -9 1510 18 14 09 18 17 30 --- 05 00 54 53.3 54.1 -3.5 -85.4 201 1536 18 14 01 18 17 30 J0827+5217 05 00 54 53.8 55.0 -3.5 -85.5 -9 1536 18 17 39 18 19 00 =0824+524 05 02 24 54.0 55.0 -3.5 -85.8 81 1546 18 17 31 18 19 00 APM08279+525 05 02 24 53.5 54.1 -3.5 -85.7 -9 1546 18 19 09 18 22 30 --- 05 05 55 54.0 54.2 -3.5 -86.4 201 1572 18 19 01 18 23 00 J0827+5217 05 06 25 54.6 55.1 -3.4 -86.5 21 1572 18 23 00 18 24 30 =0824+524 05 07 55 54.9 55.1 -3.4 -86.8 90 1584 18 23 01 18 24 30 APM08279+525 05 07 55 54.3 54.2 -3.4 -86.7 -9 1584 18 24 39 18 28 00 --- 05 11 26 54.9 54.3 -3.4 -87.4 201 1610 18 24 31 18 28 00 J0827+5217 05 11 26 55.4 55.1 -3.3 -87.5 -9 1610 18 28 09 18 29 30 =0824+524 05 12 56 55.6 55.1 -3.3 -87.7 81 1620 18 28 01 18 29 30 APM08279+525 05 12 56 55.1 54.3 -3.3 -87.7 -9 1620 18 29 39 18 33 00 --- 05 16 27 55.6 54.3 -3.3 -88.4 201 1646 18 29 31 18 33 30 J0827+5217 05 16 57 56.3 55.2 -3.2 -88.5 21 1646 18 33 30 18 35 00 =0824+524 05 18 27 56.5 55.2 -3.2 -88.8 90 1658 18 33 31 Schedule for VLBA_NL (Code Nl ) Page 8 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 18 35 00 APM08279+525 05 18 27 55.9 54.3 -3.2 -88.7 -9 1658 18 35 09 18 38 30 --- 05 21 57 56.4 54.4 -3.2 -89.4 201 1684 18 35 01 18 38 30 J0827+5217 05 21 57 57.0 55.2 -3.1 -89.5 -9 1684 18 38 39 18 40 00 =0824+524 05 23 28 57.3 55.2 -3.1 -89.8 81 1694 18 38 31 18 40 00 APM08279+525 05 23 28 56.7 54.4 -3.2 -89.7 -9 1694 18 40 09 18 43 30 --- 05 26 58 57.2 54.4 -3.1 -90.4 201 1720 18 40 01 18 44 00 J0827+5217 05 27 28 57.9 55.2 -3.0 -90.6 21 1720 18 44 00 18 45 30 =0824+524 05 28 59 58.1 55.2 -3.0 -90.9 90 1731 18 44 01 18 45 30 APM08279+525 05 28 59 57.5 54.4 -3.1 -90.8 -9 1731 18 45 39 18 49 00 --- 05 32 29 58.0 54.3 -3.0 -91.5 201 1757 18 45 31 18 49 00 J0827+5217 05 32 29 58.6 55.2 -2.9 -91.6 -9 1757 18 49 09 18 50 30 =0824+524 05 33 59 58.9 55.2 -2.9 -91.9 81 1768 18 49 01 18 50 30 APM08279+525 05 33 59 58.3 54.3 -3.0 -91.9 -9 1768 18 50 39 18 54 00 --- 05 37 30 58.8 54.3 -2.9 -92.6 201 1794 18 50 31 18 54 30 J0827+5217 05 38 00 59.5 55.1 -2.9 -92.7 21 1794 18 54 30 18 56 00 =0824+524 05 39 30 59.7 55.1 -2.8 -93.0 90 1805 18 54 31 18 56 00 APM08279+525 05 39 30 59.1 54.3 -2.9 -93.0 -9 1805 18 56 09 18 59 30 --- 05 43 01 59.6 54.2 -2.8 -93.8 201 1831 18 56 01 18 59 30 J0827+5217 05 43 01 60.2 55.0 -2.8 -93.8 -9 1831 18 59 39 19 01 00 =0824+524 05 44 31 60.5 55.0 -2.7 -94.1 81 1842 18 59 31 19 01 00 APM08279+525 05 44 31 59.9 54.2 -2.8 -94.1 -9 1842 19 01 09 19 04 30 --- 05 48 02 60.4 54.1 -2.8 -94.9 201 1867 19 01 01 19 05 00 J0827+5217 05 48 32 61.1 54.9 -2.7 -95.0 21 1867 19 05 00 19 06 30 =0824+524 05 50 02 61.3 54.9 -2.7 -95.3 90 1879 19 05 01 19 06 30 APM08279+525 05 50 02 60.7 54.0 -2.7 -95.3 -9 1879 19 06 39 19 10 00 --- 05 53 33 61.2 53.9 -2.7 -96.1 201 1905 19 06 31 19 10 00 J0827+5217 05 53 33 61.8 54.7 -2.6 -96.1 -9 1905 19 10 09 19 11 30 =0824+524 05 55 03 62.1 54.7 -2.6 -96.5 81 1915 19 10 01 19 11 30 APM08279+525 05 55 03 61.5 53.9 -2.6 -96.4 -9 1915 19 11 39 19 15 00 --- 05 58 33 62.0 53.7 -2.6 -97.3 201 1941 19 11 31 Schedule for VLBA_NL (Code Nl ) Page 9 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 19 15 30 J0827+5217 05 59 03 62.7 54.5 -2.5 -97.4 21 1941 19 15 30 19 17 00 =0824+524 06 00 34 62.9 54.5 -2.5 -97.8 90 1953 19 15 31 19 17 00 APM08279+525 06 00 34 62.3 53.6 -2.5 -97.7 -9 1953 19 17 09 19 20 30 --- 06 04 04 62.8 53.5 -2.5 -98.6 201 1979 19 17 01 19 20 30 J0827+5217 06 04 04 63.4 54.3 -2.4 -98.6 -9 1979 19 20 39 19 22 00 =0824+524 06 05 35 63.7 54.2 -2.4 -99.0 81 1989 19 20 31 19 22 00 APM08279+525 06 05 35 63.0 53.4 -2.5 -98.9 -9 1989 19 22 09 19 25 30 --- 06 09 05 63.6 53.2 -2.4 -99.8 201 2015 19 22 01 19 26 00 J0827+5217 06 09 35 64.3 54.0 -2.3 -100.0 21 2015 19 26 00 19 27 30 =0824+524 06 11 05 64.5 53.9 -2.3 -100.4 90 2027 19 26 01 19 27 30 APM08279+525 06 11 05 63.9 53.1 -2.4 -100.3 -9 2027 19 27 39 19 31 00 --- 06 14 36 64.4 52.9 -2.3 -101.2 201 2053 19 27 31 19 31 00 J0827+5217 06 14 36 65.0 53.6 -2.2 -101.3 -9 2053 19 31 09 19 32 30 =0824+524 06 16 06 65.3 53.5 -2.2 -101.7 81 2063 19 31 01 19 32 30 APM08279+525 06 16 06 64.6 52.8 -2.3 -101.6 -9 2063 19 32 39 19 36 00 --- 06 19 37 65.1 52.5 -2.2 -102.5 201 2089 19 32 31 19 36 30 J0827+5217 06 20 07 65.9 53.2 -2.2 -102.7 21 2089 19 36 30 19 38 00 =0824+524 06 21 37 66.1 53.1 -2.1 -103.2 90 2101 19 36 31 19 38 00 APM08279+525 06 21 37 65.4 52.3 -2.2 -103.1 -9 2101 19 38 09 19 41 30 --- 06 25 08 65.9 52.0 -2.1 -104.1 201 2126 19 38 01 19 41 30 J0827+5217 06 25 08 66.6 52.8 -2.1 -104.1 -9 2126 19 41 39 19 43 00 =0824+524 06 26 38 66.8 52.6 -2.0 -104.6 81 2137 19 41 31 19 43 00 APM08279+525 06 26 38 66.2 51.9 -2.1 -104.5 -9 2137 19 43 09 19 46 30 --- 06 30 09 66.7 51.6 -2.1 -105.5 201 2163 19 43 01 19 47 00 J0827+5217 06 30 39 67.4 52.2 -2.0 -105.7 21 2163 19 47 00 19 48 30 =0824+524 06 32 09 67.6 52.1 -2.0 -106.2 90 2174 19 47 01 19 48 30 APM08279+525 06 32 09 67.0 51.3 -2.0 -106.1 -9 2174 19 48 39 19 52 00 --- 06 35 39 67.5 51.0 -2.0 -107.2 201 2200 19 48 31 19 52 00 J0827+5217 06 35 39 68.2 51.6 -1.9 -107.3 -9 2200 19 52 09 19 53 30 =0824+524 06 37 10 68.4 51.5 -1.9 -107.7 81 2211 19 52 01 Schedule for VLBA_NL (Code Nl ) Page 10 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 19 58 30 4C39.25 06 42 11 58.5 81.1 -2.8 -71.3 270 2211 19 58 30 20 03 30 --- 06 47 11 59.5 81.7 -2.7 -71.6 300 2249 19 58 31 20 08 30 J0827+5217 06 52 12 70.5 49.2 -1.6 -112.8 269 2249 20 08 30 20 13 30 =0824+524 06 57 13 71.2 48.2 -1.5 -114.7 300 2288 20 08 31 20 13 30 APM08279+525 06 57 13 70.5 47.7 -1.6 -114.5 -9 2288 20 13 39 20 17 00 --- 07 00 44 71.0 47.0 -1.5 -115.8 201 2314 20 13 31 20 17 30 J0827+5217 07 01 14 71.8 47.4 -1.5 -116.3 21 2314 20 17 30 20 19 00 =0824+524 07 02 44 72.0 47.1 -1.4 -116.9 90 2325 20 17 31 20 19 00 APM08279+525 07 02 44 71.3 46.6 -1.5 -116.6 -9 2325 20 19 09 20 22 30 --- 07 06 15 71.8 45.8 -1.5 -118.0 201 2351 20 19 01 20 22 30 J0827+5217 07 06 15 72.5 46.3 -1.4 -118.4 -9 2351 20 22 39 20 24 00 =0824+524 07 07 45 72.7 45.9 -1.4 -119.0 81 2362 20 22 31 20 24 00 APM08279+525 07 07 45 72.0 45.5 -1.4 -118.7 -9 2362 20 24 09 20 27 30 --- 07 11 15 72.4 44.6 -1.4 -120.2 201 2388 20 24 01 20 28 00 J0827+5217 07 11 45 73.2 44.8 -1.3 -120.8 21 2388 20 28 00 20 29 30 =0824+524 07 13 16 73.4 44.4 -1.3 -121.5 90 2399 20 28 01 20 29 30 APM08279+525 07 13 16 72.7 44.1 -1.3 -121.1 -9 2399 20 29 39 20 33 00 --- 07 16 46 73.1 43.2 -1.3 -122.7 201 2425 20 29 31 20 33 00 J0827+5217 07 16 46 73.9 43.4 -1.2 -123.2 -9 2425 20 33 09 20 34 30 =0824+524 07 18 16 74.1 42.9 -1.2 -123.9 81 2436 20 33 01 20 34 30 APM08279+525 07 18 16 73.3 42.7 -1.2 -123.4 -9 2436 20 34 39 20 38 00 --- 07 21 47 73.8 41.7 -1.2 -125.1 201 2461 20 34 31 20 38 30 J0827+5217 07 22 17 74.6 41.6 -1.1 -126.0 21 2461 20 38 30 20 40 00 =0824+524 07 23 47 74.7 41.1 -1.1 -126.8 90 2473 20 38 31 20 40 00 APM08279+525 07 23 47 74.0 41.0 -1.2 -126.1 -9 2473 20 40 09 20 43 30 --- 07 27 18 74.4 39.9 -1.1 -127.9 201 2499 20 40 01 20 43 30 J0827+5217 07 27 18 75.2 39.9 -1.0 -128.7 -9 2499 20 43 39 20 45 00 =0824+524 07 28 48 75.3 39.3 -1.0 -129.5 81 2509 20 43 31 20 45 00 APM08279+525 07 28 48 74.6 39.3 -1.1 -128.7 -9 2509 20 45 09 20 48 30 --- 07 32 19 75.0 38.0 -1.0 -130.7 201 2535 20 45 01 Schedule for VLBA_NL (Code Nl ) Page 11 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 20 49 00 J0827+5217 07 32 49 75.8 37.7 -0.9 -131.9 21 2535 20 49 00 20 50 30 =0824+524 07 34 19 76.0 37.0 -0.9 -132.8 90 2547 20 49 01 20 50 30 APM08279+525 07 34 19 75.3 37.3 -1.0 -131.8 -9 2547 20 50 39 20 54 00 --- 07 37 50 75.6 35.8 -0.9 -133.9 201 2573 20 50 31 20 54 00 J0827+5217 07 37 50 76.4 35.5 -0.9 -135.0 -9 2573 20 54 09 20 55 30 =0824+524 07 39 20 76.5 34.8 -0.8 -136.0 81 2583 20 54 01 20 55 30 APM08279+525 07 39 20 75.8 35.2 -0.9 -134.9 -9 2583 20 55 39 20 59 00 --- 07 42 51 76.2 33.6 -0.8 -137.1 201 2609 20 55 31 20 59 30 J0827+5217 07 43 21 76.9 32.8 -0.8 -138.7 21 2609 20 59 30 21 01 00 =0824+524 07 44 51 77.1 32.0 -0.7 -139.8 90 2621 20 59 31 21 01 00 APM08279+525 07 44 51 76.4 32.6 -0.8 -138.4 -9 2621 21 01 09 21 04 30 --- 07 48 21 76.7 30.9 -0.7 -140.8 201 2647 21 01 01 21 04 30 J0827+5217 07 48 21 77.4 30.1 -0.7 -142.3 -9 2647 21 04 39 21 06 00 =0824+524 07 49 52 77.6 29.3 -0.7 -143.4 81 2657 21 04 31 21 06 00 APM08279+525 07 49 52 76.9 30.1 -0.7 -141.9 -9 2657 21 06 09 21 09 30 --- 07 53 22 77.2 28.2 -0.7 -144.4 201 2683 21 06 01 21 10 00 J0827+5217 07 53 52 77.9 26.9 -0.6 -146.5 21 2683 21 10 00 21 11 30 =0824+524 07 55 23 78.1 26.0 -0.6 -147.8 90 2695 21 10 01 21 11 30 APM08279+525 07 55 23 77.4 27.1 -0.6 -145.9 -9 2695 21 11 39 21 15 00 --- 07 58 53 77.6 25.0 -0.6 -148.6 201 2720 21 11 31 21 15 00 J0827+5217 07 58 53 78.3 23.7 -0.5 -150.7 -9 2720 21 15 09 21 16 30 =0824+524 08 00 23 78.4 22.7 -0.5 -151.9 81 2731 21 15 01 21 16 30 APM08279+525 08 00 23 77.8 24.1 -0.5 -149.8 -9 2731 21 16 39 21 20 00 --- 08 03 54 78.0 21.9 -0.5 -152.7 201 2757 21 16 31 21 20 30 J0827+5217 08 04 24 78.7 19.9 -0.4 -155.5 21 2757 21 20 30 21 22 00 =0824+524 08 05 54 78.8 18.9 -0.4 -156.8 90 2768 21 20 31 21 22 00 APM08279+525 08 05 54 78.2 20.6 -0.5 -154.4 -9 2768 21 22 09 21 25 30 --- 08 09 25 78.4 18.2 -0.4 -157.4 201 2794 21 22 01 21 25 30 J0827+5217 08 09 25 79.0 16.3 -0.3 -160.1 -9 2794 21 25 39 21 27 00 =0824+524 08 10 55 79.1 15.1 -0.3 -161.5 81 2805 21 25 31 Schedule for VLBA_NL (Code Nl ) Page 12 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 21 27 00 APM08279+525 08 10 55 78.5 17.1 -0.4 -158.8 -9 2805 21 27 09 21 30 30 --- 08 14 26 78.6 14.6 -0.3 -161.9 201 2831 21 27 01 21 31 00 J0827+5217 08 14 56 79.3 12.0 -0.2 -165.3 21 2831 21 31 00 21 32 30 =0824+524 08 16 26 79.3 10.8 -0.2 -166.8 90 2842 21 31 01 21 32 30 APM08279+525 08 16 26 78.7 13.1 -0.3 -163.8 -9 2842 21 32 39 21 36 00 --- 08 19 57 78.9 10.5 -0.2 -167.1 201 2868 21 32 31 21 36 00 J0827+5217 08 19 57 79.4 7.9 -0.2 -170.3 -10 2868 21 36 10 21 37 30 =0824+524 08 21 27 79.5 6.7 -0.1 -171.8 80 2878 21 36 01 21 37 30 APM08279+525 08 21 27 78.9 9.3 -0.2 -168.5 -10 2878 21 37 40 21 41 00 --- 08 24 57 79.0 6.6 -0.1 -171.9 200 2904 21 37 31 21 41 30 J0827+5217 08 25 27 79.5 3.4 -0.1 -175.9 20 2904 21 41 30 21 43 00 =0824+524 08 26 58 79.5 2.1 -0.0 -177.5 90 2916 21 41 31 21 43 00 APM08279+525 08 26 58 79.0 5.0 -0.1 -173.8 -10 2916 21 43 10 21 46 30 --- 08 30 28 79.1 2.2 -0.0 -177.3 200 2941 21 43 01 21 46 30 J0827+5217 08 30 28 79.5 -0.9 0.0 178.9 -10 2941 21 46 40 21 48 00 =0824+524 08 31 59 79.5 -2.1 0.0 177.4 80 2952 21 46 31 21 48 00 APM08279+525 08 31 59 79.1 1.0 -0.0 -178.8 -10 2952 21 48 10 21 51 30 --- 08 35 29 79.1 -1.8 0.0 177.8 200 2978 21 48 01 21 52 00 J0827+5217 08 35 59 79.5 -5.5 0.1 173.3 20 2978 21 52 00 21 53 30 =0824+524 08 37 29 79.5 -6.7 0.1 171.8 90 2989 21 52 01 21 53 30 APM08279+525 08 37 29 79.1 -3.4 0.1 175.8 -10 2989 21 53 40 21 57 00 --- 08 41 00 79.0 -6.2 0.1 172.4 200 3015 21 53 31 21 57 00 J0827+5217 08 41 00 79.4 -9.6 0.2 168.3 -10 3015 21 57 10 21 58 30 =0824+524 08 42 30 79.3 -10.8 0.2 166.8 80 3025 21 57 01 21 58 30 APM08279+525 08 42 30 79.0 -7.4 0.2 170.9 -10 3025 21 58 40 22 02 00 --- 08 46 01 78.9 -10.1 0.2 167.6 200 3051 21 58 31 22 02 30 J0827+5217 08 46 31 79.1 -14.0 0.3 162.9 20 3051 22 02 30 22 04 00 =0824+524 08 48 01 79.1 -15.2 0.3 161.4 90 3063 22 02 31 22 04 00 APM08279+525 08 48 01 78.8 -11.6 0.2 165.7 -10 3063 22 04 10 22 07 30 --- 08 51 32 78.7 -14.2 0.3 162.4 200 3088 22 04 01 Schedule for VLBA_NL (Code Nl ) Page 13 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 22 07 30 J0827+5217 08 51 32 78.9 -17.8 0.4 158.1 -10 3088 22 07 40 22 09 00 =0824+524 08 53 02 78.8 -18.9 0.4 156.8 80 3099 22 07 31 22 09 00 APM08279+525 08 53 02 78.6 -15.3 0.3 161.0 -10 3099 22 09 10 22 12 30 --- 08 56 33 78.4 -17.8 0.4 157.9 200 3124 22 09 01 22 13 00 J0827+5217 08 57 03 78.5 -21.7 0.5 153.2 20 3124 22 13 00 22 14 30 =0824+524 08 58 33 78.4 -22.8 0.5 151.9 90 3136 22 13 01 22 14 30 APM08279+525 08 58 33 78.3 -19.2 0.4 156.1 -10 3136 22 14 40 22 18 00 --- 09 02 03 78.1 -21.5 0.5 153.1 200 3162 22 14 31 22 18 00 J0827+5217 09 02 03 78.2 -25.1 0.5 148.9 -10 3162 22 18 10 22 19 30 =0824+524 09 03 34 78.0 -26.0 0.6 147.7 80 3172 22 18 01 22 19 30 APM08279+525 09 03 34 77.9 -22.5 0.5 151.9 -10 3172 22 19 40 22 23 00 --- 09 07 04 77.7 -24.7 0.6 149.0 200 3198 22 19 31 22 23 30 J0827+5217 09 07 34 77.7 -28.5 0.6 144.5 20 3198 22 23 30 22 25 00 =0824+524 09 09 05 77.6 -29.3 0.7 143.4 90 3209 22 23 31 22 25 00 APM08279+525 09 09 05 77.5 -25.9 0.6 147.5 -10 3209 22 25 10 22 28 30 --- 09 12 35 77.2 -27.9 0.7 144.8 200 3235 22 25 01 22 28 30 J0827+5217 09 12 35 77.2 -31.3 0.7 140.8 -10 3235 22 28 40 22 30 00 =0824+524 09 14 05 77.1 -32.1 0.7 139.7 80 3245 22 28 31 22 30 00 APM08279+525 09 14 05 77.1 -28.8 0.7 143.7 -10 3245 22 30 10 22 33 30 --- 09 17 36 76.8 -30.6 0.7 141.2 200 3271 22 30 01 22 34 00 J0827+5217 09 18 06 76.7 -34.1 0.8 137.0 20 3271 22 34 00 22 35 30 =0824+524 09 19 36 76.5 -34.8 0.8 136.0 90 3283 22 34 01 22 35 30 APM08279+525 09 19 36 76.6 -31.7 0.8 139.8 -10 3283 22 35 40 22 39 00 --- 09 23 07 76.2 -33.3 0.8 137.4 200 3309 22 35 31 22 39 30 J0827+5217 09 23 37 76.1 -36.6 0.9 133.4 20 3309 22 39 30 22 41 00 =0824+524 09 25 07 75.9 -37.3 0.9 132.5 90 3320 22 39 31 22 41 00 APM08279+525 09 25 07 76.0 -34.3 0.9 136.1 -10 3320 22 41 10 22 44 30 --- 09 28 38 75.6 -35.8 0.9 134.0 200 3346 22 41 01 22 45 00 J0827+5217 09 29 08 75.5 -38.9 1.0 130.1 20 3346 22 45 00 22 46 30 =0824+524 09 30 38 75.3 -39.5 1.0 129.2 90 3358 22 45 01 Schedule for VLBA_NL (Code Nl ) Page 14 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 22 46 30 APM08279+525 09 30 38 75.4 -36.6 1.0 132.7 -10 3358 22 46 40 22 50 00 --- 09 34 09 75.0 -38.0 1.0 130.7 200 3383 22 46 31 22 50 30 J0827+5217 09 34 39 74.8 -41.0 1.1 127.0 20 3383 22 50 30 22 52 00 =0824+524 09 36 09 74.6 -41.5 1.1 126.2 90 3395 22 50 31 22 52 00 APM08279+525 09 36 09 74.8 -38.8 1.0 129.6 -10 3395 22 52 10 22 55 30 --- 09 39 40 74.4 -40.0 1.1 127.7 200 3421 22 52 01 22 56 00 J0827+5217 09 40 10 74.1 -42.8 1.2 124.2 20 3421 22 56 00 22 57 30 =0824+524 09 41 40 73.9 -43.3 1.2 123.4 90 3432 22 56 01 22 57 30 APM08279+525 09 41 40 74.1 -40.7 1.1 126.6 -10 3432 22 57 40 23 01 00 --- 09 45 11 73.7 -41.8 1.2 124.9 200 3458 22 57 31 23 01 30 J0827+5217 09 45 41 73.4 -44.4 1.3 121.5 20 3458 23 01 30 23 03 00 =0824+524 09 47 11 73.2 -44.9 1.3 120.8 90 3470 23 01 31 23 03 00 APM08279+525 09 47 11 73.5 -42.4 1.2 123.9 -10 3470 23 03 10 23 06 30 --- 09 50 41 73.0 -43.4 1.3 122.2 200 3495 23 03 01 23 07 00 J0827+5217 09 51 12 72.7 -45.9 1.4 119.0 20 3495 23 07 00 23 08 30 =0824+524 09 52 42 72.5 -46.3 1.4 118.4 90 3507 23 07 01 23 08 30 APM08279+525 09 52 42 72.7 -44.0 1.3 121.3 -9 3507 23 08 39 23 12 00 --- 09 56 12 72.3 -44.9 1.4 119.7 201 3533 23 08 31 23 12 30 J0827+5217 09 56 42 71.9 -47.2 1.5 116.7 21 3533 23 12 30 23 14 00 =0824+524 09 58 13 71.7 -47.5 1.5 116.1 90 3544 23 12 31 23 14 00 APM08279+525 09 58 13 72.0 -45.4 1.4 118.9 -9 3544 23 14 09 23 17 30 --- 10 01 43 71.6 -46.2 1.5 117.4 201 3570 23 14 01 23 18 00 J0827+5217 10 02 13 71.2 -48.4 1.5 114.5 21 3570 23 18 00 23 19 30 =0824+524 10 03 44 71.0 -48.6 1.6 113.9 90 3582 23 18 01 23 19 30 APM08279+525 10 03 44 71.3 -46.6 1.5 116.6 -9 3582 23 19 39 23 23 00 --- 10 07 14 70.8 -47.3 1.6 115.2 201 3608 23 19 31 23 23 30 J0827+5217 10 07 44 70.4 -49.4 1.6 112.5 21 3608 23 23 30 23 25 00 =0824+524 10 09 14 70.2 -49.6 1.7 111.9 90 3619 23 23 31 23 25 00 APM08279+525 10 09 14 70.5 -47.7 1.6 114.5 -9 3619 23 25 09 23 28 30 --- 10 12 45 70.0 -48.3 1.7 113.2 201 3645 23 25 01 Schedule for VLBA_NL (Code Nl ) Page 15 Resolving extreme star formation and AGN activity in a high redshift qua 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 3 Jun 2021 Day 154 --- 23 29 00 J0827+5217 10 13 15 69.6 -50.3 1.7 110.5 21 3645 23 29 00 23 30 30 =0824+524 10 14 45 69.4 -50.5 1.8 110.0 90 3657 23 29 01 23 30 30 APM08279+525 10 14 45 69.8 -48.7 1.7 112.5 -9 3657 23 30 39 23 34 00 --- 10 18 16 69.3 -49.3 1.8 111.2 201 3683 23 30 31 23 34 30 J0827+5217 10 18 46 68.8 -51.1 1.8 108.7 21 3683 23 34 30 23 36 00 =0824+524 10 20 16 68.6 -51.3 1.8 108.2 90 3694 23 34 31 23 36 00 APM08279+525 10 20 16 69.0 -49.6 1.8 110.5 -9 3694 23 36 09 23 39 30 --- 10 23 47 68.5 -50.1 1.8 109.4 201 3720 23 36 01 23 40 00 J0827+5217 10 24 17 68.0 -51.8 1.9 106.9 21 3720 23 40 00 23 41 30 =0824+524 10 25 47 67.8 -52.0 1.9 106.5 90 3732 23 40 01 23 41 30 APM08279+525 10 25 47 68.2 -50.3 1.9 108.7 -9 3732 23 41 39 23 45 00 --- 10 29 18 67.7 -50.8 1.9 107.6 201 3758 23 41 31 23 45 30 J0827+5217 10 29 48 67.2 -52.4 2.0 105.3 21 3758 23 45 30 23 47 00 =0824+524 10 31 18 67.0 -52.5 2.0 104.8 90 3769 23 45 31 23 47 00 APM08279+525 10 31 18 67.4 -51.0 2.0 107.0 -9 3769 23 47 09 23 50 30 --- 10 34 49 66.9 -51.4 2.0 106.0 201 3795 23 47 01 23 51 00 J0827+5217 10 35 19 66.4 -52.9 2.1 103.7 21 3795 23 51 00 23 52 30 =0824+524 10 36 49 66.2 -53.1 2.1 103.3 90 3807 23 51 01 23 52 30 APM08279+525 10 36 49 66.6 -51.6 2.1 105.4 -9 3807 23 52 39 23 56 00 --- 10 40 20 66.1 -51.9 2.1 104.4 201 3833 23 52 31 23 56 30 J0827+5217 10 40 50 65.6 -53.4 2.2 102.2 21 3833 23 56 30 23 58 00 =0824+524 10 42 20 65.3 -53.5 2.2 101.8 90 3844 23 56 31 --- Start: Thu 3 Jun 2021 Day 154 -- Stop: Fri 4 Jun 2021 Day 155 --- 23 58 00 APM08279+525 10 42 20 65.8 -52.1 2.2 103.8 -9 3844 23 58 09 00 01 30 --- 10 45 50 65.3 -52.4 2.2 102.8 201 3870 23 58 01 00 02 00 J0827+5217 10 46 21 64.7 -53.8 2.3 100.7 21 3870 00 02 00 00 03 30 =0824+524 10 47 51 64.5 -53.9 2.3 100.3 90 3882 00 02 01 00 03 30 APM08279+525 10 47 51 65.0 -52.6 2.2 102.3 -9 3882 00 03 39 00 07 00 --- 10 51 21 64.5 -52.8 2.3 101.4 201 3908 00 03 31 Schedule for VLBA_NL (Code Nl ) Page 16 Resolving extreme star formation and AGN activity in a high redshift qua 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 ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 00 07 30 J0827+5217 10 51 51 63.9 -54.1 2.4 99.3 21 3908 00 07 30 00 09 00 =0824+524 10 53 22 63.7 -54.2 2.4 99.0 90 3919 00 07 31 00 09 00 APM08279+525 10 53 22 64.2 -53.0 2.3 100.8 -9 3919 00 09 09 00 12 30 --- 10 56 52 63.6 -53.2 2.4 99.9 201 3945 00 09 01 00 13 00 J0827+5217 10 57 22 63.1 -54.4 2.5 98.0 21 3945 00 13 00 00 14 30 =0824+524 10 58 53 62.8 -54.5 2.5 97.6 90 3957 00 13 01 00 14 30 APM08279+525 10 58 53 63.3 -53.3 2.4 99.4 -9 3957 00 14 39 00 18 00 --- 11 02 23 62.8 -53.5 2.5 98.6 201 3983 00 14 31 00 18 30 J0827+5217 11 02 53 62.2 -54.6 2.6 96.7 21 3983 00 18 30 00 20 00 =0824+524 11 04 24 62.0 -54.7 2.6 96.3 90 3994 00 18 31 00 25 00 4C39.25 11 09 24 70.6 270.1 1.7 73.5 56 3994 00 25 00 00 30 00 --- 11 14 25 69.7 270.9 1.8 73.5 300 4033 00 25 01 00 34 30 J0827+5217 11 18 56 59.8 304.9 2.8 93.1 237 4033 00 34 30 00 36 30 =0824+524 11 20 56 59.5 304.9 2.9 92.7 120 4048 00 34 31 00 36 30 APM08279+525 11 20 56 60.0 305.9 2.8 94.3 -9 4048 00 36 39 00 40 00 --- 11 24 27 59.5 305.8 2.9 93.5 201 4074 00 36 31 00 40 30 J0827+5217 11 24 57 58.9 304.8 2.9 91.9 21 4074 00 40 30 00 42 00 =0824+524 11 26 27 58.6 304.8 3.0 91.6 90 4086 00 40 31 00 42 00 APM08279+525 11 26 27 59.2 305.7 2.9 93.1 -9 4086 00 42 09 00 45 30 --- 11 29 58 58.7 305.7 2.9 92.4 201 4112 00 42 01 00 46 00 J0827+5217 11 30 28 58.0 304.8 3.0 90.8 21 4112 00 46 00 00 47 30 =0824+524 11 31 58 57.8 304.8 3.0 90.5 90 4123 00 46 01 00 47 30 APM08279+525 11 31 58 58.3 305.7 3.0 92.0 -9 4123 00 47 39 00 51 00 --- 11 35 29 57.8 305.6 3.0 91.2 201 4149 00 47 31 00 51 30 J0827+5217 11 35 59 57.2 304.8 3.1 89.7 21 4149 00 51 30 00 53 00 =0824+524 11 37 29 56.9 304.8 3.1 89.4 90 4161 00 51 31 00 53 00 APM08279+525 11 37 29 57.5 305.6 3.1 90.8 -9 4161 00 53 09 00 56 30 --- 11 41 00 57.0 305.6 3.1 90.1 201 4187 00 53 01 00 57 00 J0827+5217 11 41 30 56.3 304.8 3.2 88.6 21 4187 00 57 00 00 58 30 =0824+524 11 43 00 56.1 304.8 3.2 88.3 90 4198 00 57 01 Schedule for VLBA_NL (Code Nl ) Page 17 Resolving extreme star formation and AGN activity in a high redshift qua 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 ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 00 58 30 APM08279+525 11 43 00 56.7 305.6 3.2 89.7 -9 4198 00 58 39 01 02 00 --- 11 46 30 56.1 305.6 3.2 89.0 201 4224 00 58 31 01 02 30 J0827+5217 11 47 01 55.5 304.9 3.3 87.5 21 4224 01 02 30 01 04 00 =0824+524 11 48 31 55.2 304.9 3.3 87.3 90 4236 01 02 31 01 04 00 APM08279+525 11 48 31 55.8 305.7 3.3 88.6 -9 4236 01 04 09 01 07 30 --- 11 52 01 55.3 305.7 3.3 88.0 201 4262 01 04 01 01 08 00 J0827+5217 11 52 31 54.6 304.9 3.4 86.5 21 4262 01 08 00 01 09 30 =0824+524 11 54 02 54.4 305.0 3.4 86.2 90 4273 01 08 01 01 09 30 APM08279+525 11 54 02 55.0 305.7 3.3 87.6 -9 4273 01 09 39 01 13 00 --- 11 57 32 54.5 305.7 3.4 86.9 201 4299 01 09 31 01 13 30 J0827+5217 11 58 02 53.8 305.0 3.5 85.5 21 4299 01 13 30 01 15 00 =0824+524 11 59 33 53.6 305.1 3.5 85.2 90 4311 01 13 31 01 15 00 APM08279+525 11 59 33 54.2 305.8 3.4 86.6 -9 4311 01 15 09 01 18 30 --- 12 03 03 53.6 305.8 3.5 85.9 201 4337 01 15 01 01 19 00 J0827+5217 12 03 33 53.0 305.2 3.6 84.5 21 4337 01 19 00 01 20 30 =0824+524 12 05 03 52.7 305.2 3.6 84.3 90 4348 01 19 01 01 20 30 APM08279+525 12 05 03 53.3 305.9 3.5 85.5 -9 4348 01 20 39 01 24 00 --- 12 08 34 52.8 305.9 3.6 84.9 201 4374 01 20 31 01 24 30 J0827+5217 12 09 04 52.1 305.3 3.7 83.5 21 4374 01 24 30 01 26 00 =0824+524 12 10 34 51.9 305.4 3.7 83.3 90 4386 01 24 31 01 26 00 APM08279+525 12 10 34 52.5 306.0 3.6 84.5 -9 4386 01 26 09 01 29 30 --- 12 14 05 52.0 306.1 3.7 83.9 201 4412 01 26 01 01 30 00 J0827+5217 12 14 35 51.3 305.5 3.8 82.6 21 4412 01 30 00 01 31 30 =0824+524 12 16 05 51.0 305.5 3.8 82.3 90 4423 01 30 01 01 31 30 APM08279+525 12 16 05 51.7 306.1 3.7 83.6 -9 4423 01 31 39 01 35 00 --- 12 19 36 51.1 306.2 3.8 82.9 201 4449 01 31 31 01 35 30 J0827+5217 12 20 06 50.4 305.7 3.8 81.6 21 4449 01 35 30 01 37 00 =0824+524 12 21 36 50.2 305.7 3.9 81.4 90 4461 01 35 31 01 37 00 APM08279+525 12 21 36 50.8 306.3 3.8 82.6 -9 4461 01 37 09 01 40 30 --- 12 25 07 50.3 306.4 3.9 82.0 201 4487 01 37 01 Schedule for VLBA_NL (Code Nl ) Page 18 Resolving extreme star formation and AGN activity in a high redshift qua 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 ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 01 41 00 J0827+5217 12 25 37 49.6 305.9 3.9 80.7 21 4487 01 41 00 01 42 30 =0824+524 12 27 07 49.4 305.9 4.0 80.4 90 4498 01 41 01 01 42 30 APM08279+525 12 27 07 50.0 306.5 3.9 81.6 -9 4498 01 42 39 01 46 00 --- 12 30 38 49.5 306.6 4.0 81.0 201 4524 01 42 31 01 46 30 J0827+5217 12 31 08 48.8 306.1 4.0 79.8 21 4524 01 46 30 01 48 00 =0824+524 12 32 38 48.5 306.1 4.1 79.5 90 4536 01 46 31 01 48 00 APM08279+525 12 32 38 49.2 306.7 4.0 80.7 -9 4536 01 48 09 01 51 30 --- 12 36 09 48.7 306.8 4.0 80.1 201 4562 01 48 01 01 52 00 J0827+5217 12 36 39 47.9 306.3 4.1 78.9 21 4562 01 52 00 01 53 30 =0824+524 12 38 09 47.7 306.4 4.1 78.6 90 4573 01 52 01 01 53 30 APM08279+525 12 38 09 48.4 306.9 4.1 79.7 -9 4573 01 53 39 01 57 00 --- 12 41 39 47.8 307.0 4.1 79.2 201 4599 01 53 31 01 57 30 J0827+5217 12 42 10 47.1 306.6 4.2 78.0 21 4599 01 57 30 01 59 00 =0824+524 12 43 40 46.9 306.6 4.2 77.7 90 4611 01 57 31 01 59 00 APM08279+525 12 43 40 47.5 307.1 4.2 78.8 -9 4611 01 59 09 02 02 30 --- 12 47 10 47.0 307.3 4.2 78.2 201 4637 01 59 01 02 03 00 J0827+5217 12 47 40 46.3 306.8 4.3 77.1 21 4637 02 03 00 02 04 30 =0824+524 12 49 11 46.1 306.9 4.3 76.8 90 4648 02 03 01 02 04 30 APM08279+525 12 49 11 46.7 307.4 4.3 77.9 -9 4648 02 04 39 02 08 00 --- 12 52 41 46.2 307.5 4.3 77.3 201 4674 02 04 31 02 08 30 J0827+5217 12 53 11 45.5 307.1 4.4 76.2 21 4674 02 08 30 02 10 00 =0824+524 12 54 42 45.2 307.2 4.4 75.9 90 4686 02 08 31 02 10 00 APM08279+525 12 54 42 45.9 307.6 4.4 77.0 -9 4686 02 10 09 02 13 30 --- 12 58 12 45.4 307.8 4.4 76.4 201 4712 02 10 01 02 14 00 J0827+5217 12 58 42 44.6 307.4 4.5 75.3 21 4712 02 14 00 02 15 30 =0824+524 13 00 12 44.4 307.5 4.5 75.1 90 4723 02 14 01 02 15 30 APM08279+525 13 00 12 45.1 307.9 4.4 76.1 -9 4723 02 15 39 02 19 00 --- 13 03 43 44.6 308.1 4.5 75.5 201 4749 02 15 31 02 19 30 J0827+5217 13 04 13 43.8 307.7 4.6 74.4 21 4749 02 19 30 02 21 00 =0824+524 13 05 43 43.6 307.8 4.6 74.2 90 4761 02 19 31 Schedule for VLBA_NL (Code Nl ) Page 19 Resolving extreme star formation and AGN activity in a high redshift qua 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 ---------------------------------------------------------------------------------------- --- Fri 4 Jun 2021 Day 155 --- 02 21 00 APM08279+525 13 05 43 44.3 308.2 4.5 75.2 -9 4761 02 21 09 02 24 30 --- 13 09 14 43.8 308.4 4.6 74.6 201 4787 02 21 01 02 25 00 J0827+5217 13 09 44 43.0 308.0 4.7 73.5 21 4787 02 25 00 02 26 30 =0824+524 13 11 14 42.8 308.1 4.7 73.3 90 4798 02 25 01 02 26 30 APM08279+525 13 11 14 43.5 308.5 4.6 74.3 -9 4798 02 26 39 02 30 00 --- 13 14 45 43.0 308.7 4.7 73.8 201 4824 02 26 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.L1024glob Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: v20cm_2 FD filtered above 1760. SC filtered above 1740. Setup group: 3 Station: VLBA_NL Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: RDBE_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 Net SB= U U U U U U U U IF SB = L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= L L L L L L L L IF = A C A C A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 14.6 2.4 14.6 The following frequency sets based on these setups were used. See the crd files for VLBA legacy system setups and pcal detection details. Frequency Set: 20 Setup file default. Used with PCAL = off LO sum= 1594.00 1594.00 1626.00 1626.00 1658.00 1658.00 1690.00 1690.00 BBC fr= 806.00 806.00 774.00 774.00 742.00 742.00 710.00 710.00 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 VLBA legacy crd files using 4 channels based on RDBE channels: 3 4 5 6 CRD fr= 766.00 766.00 734.00 734.00 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 20 21 22 23 24 25 26 27 28 29 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * APM08279+525 08 27 58.009421 * 08 31 41.709536 08 33 14.545864 0.00 52 55 26.95765 * 52 45 17.62034 52 41 10.34807 0.00 From catalog imbedded in main SCHED input file. 0824+524 08 24 10.281445 * 08 27 53.698140 08 29 26.407262 0.19 * J0827+5217 52 27 54.37285 * 52 17 58.29635 52 13 56.35400 0.11 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc2016 GSFC 2016a X/S astro solution, 124 observations. * 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 21.410343 0.31 J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 59.61195 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc2016 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 APM08279+52sess221.L1024glob 1 2 3 4 5 6 7 8 9 10 13 14 + 9.733 2076.703 J0827+5217 sess221.L1024glob 1 2 3 4 5 6 7 8 9 10 13 14 + 4.408 905.031 4C39.25 sess221.L1024glob 1 2 3 4 5 6 7 8 9 10 13 14 + 0.333 66.763 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) APM08279+525 52.1 J0827+5217 51.5 4C39.25 61.0 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