COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: Arp 299 at L-band, 1 Gb/s, L+R Exp. Code: EP124B Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Miguel A. Perez-Torres Address: IAA - CSIC Glorieta de la Astronomia s/n 18008 Granada, Spain Phone: +34-665252538 EMAIL: torres@iaa.es Fax: Phone during observation: +34-665252538 Observing mode: VLBI Notes: Phase-ref of Arp 299 with the full EVN Schedule for WSTRBORK (Code Wb ) Page 2 Arp 299 at L-band, 1 Gb/s, L+R UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 Oct 2022 Day 302 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 379.49 379.49 379.49 379.49 443.49 443.49 443.49 443.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 00 56 30 4C39.25 03 52 16 33.4 67.9 -5.6 0.0 0 0 00 56 30 01 01 30 --- 03 57 17 34.1 68.7 -5.5 0.0 300 39 00 56 31 02 34 45 J1128+5925 05 30 47 43.4 44.7 -6.0 0.0 5412 39 02 34 45 02 35 45 --- 05 31 48 43.6 44.8 -6.0 0.0 60 46 02 34 46 02 35 45 ARP299 05 31 48 43.0 45.7 -6.0 0.0 -16 46 No stop 02 40 00 --- 05 36 03 43.5 46.2 -5.9 0.0 239 79 02 35 46 02 40 00 J1128+5925 05 36 03 44.0 45.2 -5.9 0.0 -16 79 No stop 02 41 30 --- 05 37 33 44.2 45.4 -5.9 0.0 74 91 02 40 01 02 41 30 ARP299 05 37 33 43.7 46.3 -5.9 0.0 -16 91 No stop 02 45 45 --- 05 41 49 44.1 46.7 -5.8 0.0 239 124 02 41 31 02 46 15 J1128+5925 05 42 19 44.7 45.8 -5.8 0.0 14 124 02 46 15 02 47 15 --- 05 43 19 44.8 45.9 -5.8 0.0 60 131 02 46 16 02 47 15 ARP299 05 43 19 44.3 46.9 -5.8 0.0 -16 131 No stop 02 51 30 --- 05 47 35 44.8 47.3 -5.7 0.0 239 164 02 47 16 02 51 30 J1128+5925 05 47 35 45.3 46.3 -5.7 0.0 -16 164 No stop 02 53 00 --- 05 49 05 45.4 46.5 -5.7 0.0 74 176 02 51 31 02 53 00 ARP299 05 49 05 44.9 47.5 -5.7 0.0 -16 176 No stop 02 57 15 --- 05 53 21 45.4 47.9 -5.6 0.0 239 209 02 53 01 02 57 45 J1128+5925 05 53 51 45.9 46.9 -5.6 0.0 14 209 02 57 45 02 58 45 --- 05 54 51 46.0 47.0 -5.6 0.0 60 216 02 57 46 02 58 45 ARP299 05 54 51 45.6 48.0 -5.6 0.0 -16 216 No stop 03 03 00 --- 05 59 07 46.1 48.4 -5.5 0.0 239 249 02 58 46 03 03 00 J1128+5925 05 59 07 46.5 47.4 -5.5 0.0 -16 249 No stop 03 04 30 --- 06 00 37 46.7 47.5 -5.5 0.0 74 261 03 03 01 03 04 30 ARP299 06 00 37 46.2 48.6 -5.5 0.0 -16 261 No stop 03 08 45 --- 06 04 53 46.7 49.0 -5.4 0.0 239 294 03 04 31 03 09 15 J1128+5925 06 05 23 47.2 48.0 -5.4 0.0 14 294 03 09 15 03 10 15 --- 06 06 23 47.3 48.0 -5.4 0.0 60 301 03 09 16 Schedule for WSTRBORK (Code Wb ) Page 3 Arp 299 at L-band, 1 Gb/s, L+R UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 Oct 2022 Day 302 --- 03 10 15 ARP299 06 06 23 46.9 49.1 -5.4 0.0 -16 301 No stop 03 14 30 --- 06 10 39 47.4 49.5 -5.3 0.0 239 334 03 10 16 03 14 30 J1128+5925 06 10 39 47.8 48.4 -5.3 0.0 -16 334 No stop 03 16 00 --- 06 12 09 48.0 48.6 -5.3 0.0 74 346 03 14 31 03 16 00 ARP299 06 12 09 47.5 49.7 -5.3 0.0 -16 346 No stop 03 20 15 --- 06 16 25 48.0 50.0 -5.2 0.0 239 379 03 16 01 03 20 45 J1128+5925 06 16 55 48.5 49.0 -5.2 0.0 14 379 03 20 45 03 21 45 --- 06 17 55 48.6 49.1 -5.2 0.0 60 386 03 20 46 03 21 45 ARP299 06 17 55 48.2 50.2 -5.2 0.0 -16 386 No stop 03 26 00 --- 06 22 11 48.7 50.6 -5.1 0.0 239 419 03 21 46 03 26 00 J1128+5925 06 22 11 49.1 49.4 -5.1 0.0 -16 419 No stop 03 27 30 --- 06 23 41 49.3 49.6 -5.1 0.0 74 431 03 26 01 03 27 30 ARP299 06 23 41 48.9 50.7 -5.1 0.0 -16 431 No stop 03 31 45 --- 06 27 57 49.4 51.1 -5.0 0.0 239 464 03 27 31 03 32 15 J1128+5925 06 28 27 49.8 50.0 -5.0 0.0 14 464 03 32 15 03 33 15 --- 06 29 27 50.0 50.1 -5.0 0.0 60 471 03 32 16 03 33 15 ARP299 06 29 27 49.5 51.2 -5.0 0.0 -16 471 No stop 03 37 30 --- 06 33 43 50.0 51.6 -4.9 0.0 239 504 03 33 16 03 37 30 J1128+5925 06 33 43 50.5 50.4 -4.9 0.0 -16 504 No stop 03 39 00 --- 06 35 13 50.6 50.5 -4.9 0.0 74 516 03 37 31 03 39 00 ARP299 06 35 13 50.2 51.7 -4.9 0.0 -16 516 No stop 03 43 15 --- 06 39 29 50.7 52.1 -4.8 0.0 239 549 03 39 01 03 43 45 J1128+5925 06 39 59 51.2 50.9 -4.8 0.0 14 549 03 43 45 03 44 45 --- 06 40 59 51.3 51.0 -4.8 0.0 60 556 03 43 46 03 44 45 ARP299 06 40 59 50.9 52.2 -4.8 0.0 -16 556 No stop 03 49 00 --- 06 45 15 51.4 52.6 -4.7 0.0 239 589 03 44 46 03 49 00 J1128+5925 06 45 15 51.8 51.4 -4.7 0.0 -16 589 No stop 03 50 30 --- 06 46 45 52.0 51.5 -4.7 0.0 74 601 03 49 01 03 50 30 ARP299 06 46 45 51.6 52.7 -4.7 0.0 -16 601 No stop 03 54 45 --- 06 51 00 52.1 53.1 -4.6 0.0 239 634 03 50 31 Schedule for WSTRBORK (Code Wb ) Page 4 Arp 299 at L-band, 1 Gb/s, L+R UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 Oct 2022 Day 302 --- 03 55 15 J1128+5925 06 51 31 52.5 51.8 -4.6 0.0 14 634 03 55 15 03 56 15 --- 06 52 31 52.7 51.9 -4.6 0.0 60 642 03 55 16 03 56 15 ARP299 06 52 31 52.3 53.2 -4.6 0.0 -16 642 No stop 04 00 30 --- 06 56 46 52.8 53.6 -4.6 0.0 239 674 03 56 16 04 00 30 J1128+5925 06 56 46 53.2 52.3 -4.5 0.0 -16 674 No stop 04 02 00 --- 06 58 17 53.3 52.4 -4.5 0.0 74 686 04 00 31 04 02 00 ARP299 06 58 17 53.0 53.7 -4.5 0.0 -16 686 No stop 04 06 15 --- 07 02 32 53.5 54.0 -4.5 0.0 239 719 04 02 01 04 06 45 J1128+5925 07 03 02 53.9 52.7 -4.4 0.0 14 719 04 06 45 04 07 45 --- 07 04 03 54.0 52.8 -4.4 0.0 60 727 04 06 46 04 07 45 ARP299 07 04 03 53.7 54.1 -4.4 0.0 -16 727 No stop 04 12 00 --- 07 08 18 54.2 54.5 -4.4 0.0 239 759 04 07 46 04 12 00 J1128+5925 07 08 18 54.5 53.1 -4.4 0.0 -16 759 No stop 04 13 30 --- 07 09 49 54.7 53.2 -4.3 0.0 74 771 04 12 01 04 13 30 ARP299 07 09 49 54.4 54.6 -4.3 0.0 -16 771 No stop 04 17 45 --- 07 14 04 54.9 54.9 -4.3 0.0 239 804 04 13 31 04 18 15 J1128+5925 07 14 34 55.3 53.6 -4.2 0.0 14 804 04 18 15 04 19 15 --- 07 15 35 55.4 53.6 -4.2 0.0 60 812 04 18 16 04 19 15 ARP299 07 15 35 55.1 55.0 -4.2 0.0 -16 812 No stop 04 23 30 --- 07 19 50 55.6 55.3 -4.2 0.0 239 844 04 19 16 04 23 30 J1128+5925 07 19 50 55.9 53.9 -4.2 0.0 -16 844 No stop 04 25 00 --- 07 21 20 56.1 54.0 -4.1 0.0 74 856 04 23 31 04 25 00 ARP299 07 21 20 55.8 55.5 -4.1 0.0 -16 856 No stop 04 29 15 --- 07 25 36 56.4 55.8 -4.1 0.0 239 889 04 25 01 04 29 45 J1128+5925 07 26 06 56.7 54.3 -4.1 0.0 14 889 04 29 45 04 30 45 --- 07 27 06 56.8 54.4 -4.0 0.0 60 897 04 29 46 04 30 45 ARP299 07 27 06 56.5 55.9 -4.0 0.0 -16 897 No stop 04 35 00 --- 07 31 22 57.1 56.2 -4.0 0.0 239 929 04 30 46 04 35 00 J1128+5925 07 31 22 57.4 54.7 -4.0 0.0 -16 929 No stop 04 36 30 --- 07 32 52 57.5 54.8 -3.9 0.0 74 941 04 35 01 Schedule for WSTRBORK (Code Wb ) Page 5 Arp 299 at L-band, 1 Gb/s, L+R UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 Oct 2022 Day 302 --- 04 36 30 ARP299 07 32 52 57.3 56.3 -3.9 0.0 -16 941 No stop 04 40 45 --- 07 37 08 57.8 56.6 -3.9 0.0 239 974 04 36 31 04 41 15 J1128+5925 07 37 38 58.1 55.1 -3.9 0.0 14 974 04 41 15 04 42 15 --- 07 38 38 58.3 55.1 -3.8 0.0 60 982 04 41 16 04 42 15 ARP299 07 38 38 58.0 56.7 -3.9 0.0 -16 982 No stop 04 46 30 --- 07 42 54 58.5 57.0 -3.8 0.0 239 1014 04 42 16 04 46 30 J1128+5925 07 42 54 58.8 55.4 -3.8 0.0 -16 1014 No stop 04 48 00 --- 07 44 24 59.0 55.5 -3.8 0.0 74 1026 04 46 31 04 48 00 ARP299 07 44 24 58.7 57.1 -3.8 0.0 -16 1026 No stop 04 52 15 --- 07 48 40 59.3 57.3 -3.7 0.0 239 1059 04 48 01 04 52 45 J1128+5925 07 49 10 59.6 55.7 -3.7 0.0 14 1059 04 52 45 04 53 45 --- 07 50 10 59.7 55.8 -3.7 0.0 60 1067 04 52 46 04 53 45 ARP299 07 50 10 59.4 57.4 -3.7 0.0 -16 1067 No stop 04 58 00 --- 07 54 26 60.0 57.7 -3.6 0.0 239 1099 04 53 46 04 58 00 J1128+5925 07 54 26 60.2 56.0 -3.6 0.0 -16 1099 No stop 04 59 30 --- 07 55 56 60.4 56.1 -3.6 0.0 74 1111 04 58 01 04 59 30 ARP299 07 55 56 60.2 57.8 -3.6 0.0 -16 1111 No stop 05 03 45 --- 08 00 12 60.7 58.0 -3.5 0.0 239 1144 04 59 31 05 04 15 J1128+5925 08 00 42 61.0 56.3 -3.5 0.0 14 1144 05 04 15 05 05 15 --- 08 01 42 61.1 56.4 -3.5 0.0 60 1152 05 04 16 05 05 15 ARP299 08 01 42 60.9 58.1 -3.5 0.0 -16 1152 No stop 05 09 30 --- 08 05 58 61.5 58.3 -3.4 0.0 239 1184 05 05 16 05 09 30 J1128+5925 08 05 58 61.7 56.6 -3.4 0.0 -16 1184 No stop 05 11 00 --- 08 07 28 61.9 56.6 -3.4 0.0 74 1196 05 09 31 05 11 00 ARP299 08 07 28 61.7 58.4 -3.4 0.0 -16 1196 No stop 05 15 15 --- 08 11 44 62.2 58.6 -3.3 0.0 239 1229 05 11 01 05 15 45 J1128+5925 08 12 14 62.5 56.9 -3.3 0.0 14 1229 05 15 45 05 16 45 --- 08 13 14 62.6 56.9 -3.3 0.0 60 1237 05 15 46 05 16 45 ARP299 08 13 14 62.4 58.7 -3.3 0.0 -16 1237 No stop 05 21 00 --- 08 17 30 62.9 58.9 -3.2 0.0 239 1270 05 16 46 Schedule for WSTRBORK (Code Wb ) Page 6 Arp 299 at L-band, 1 Gb/s, L+R UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 Oct 2022 Day 302 --- 05 21 00 J1128+5925 08 17 30 63.1 57.1 -3.2 0.0 -16 1270 No stop 05 22 30 --- 08 19 00 63.3 57.1 -3.2 0.0 74 1281 05 21 01 05 22 30 ARP299 08 19 00 63.1 59.0 -3.2 0.0 -16 1281 No stop 05 26 45 --- 08 23 16 63.7 59.2 -3.1 0.0 239 1314 05 22 31 05 27 15 J1128+5925 08 23 46 63.9 57.3 -3.1 0.0 14 1314 05 27 15 05 28 15 --- 08 24 46 64.0 57.3 -3.1 0.0 60 1322 05 27 16 05 28 15 ARP299 08 24 46 63.9 59.2 -3.1 0.0 -16 1322 No stop 05 32 30 --- 08 29 02 64.4 59.4 -3.0 0.0 239 1355 05 28 16 05 32 30 J1128+5925 08 29 02 64.6 57.4 -3.0 0.0 -16 1355 No stop 05 34 00 --- 08 30 32 64.8 57.5 -3.0 0.0 74 1366 05 32 31 05 34 00 ARP299 08 30 32 64.6 59.5 -3.0 0.0 -16 1366 No stop 05 38 15 --- 08 34 47 65.2 59.6 -2.9 0.0 239 1399 05 34 01 05 38 45 J1128+5925 08 35 18 65.4 57.6 -2.9 0.0 14 1399 05 38 45 05 39 45 --- 08 36 18 65.5 57.6 -2.9 0.0 60 1407 05 38 46 05 39 45 ARP299 08 36 18 65.4 59.7 -2.9 0.0 -16 1407 No stop 05 44 00 --- 08 40 33 65.9 59.8 -2.8 0.0 239 1440 05 39 46 05 44 00 J1128+5925 08 40 33 66.0 57.7 -2.8 0.0 -16 1440 No stop 05 45 30 --- 08 42 04 66.2 57.7 -2.8 0.0 74 1451 05 44 01 05 45 30 ARP299 08 42 04 66.1 59.9 -2.8 0.0 -16 1451 No stop 05 49 45 --- 08 46 19 66.7 60.0 -2.7 0.0 239 1484 05 45 31 05 50 15 J1128+5925 08 46 49 66.8 57.8 -2.7 0.0 14 1484 05 50 15 05 51 15 --- 08 47 50 67.0 57.8 -2.7 0.0 60 1492 05 50 16 05 51 15 ARP299 08 47 50 66.9 60.0 -2.7 0.0 -16 1492 No stop 05 55 30 --- 08 52 05 67.4 60.1 -2.6 0.0 239 1525 05 51 16 05 55 30 J1128+5925 08 52 05 67.5 57.9 -2.6 0.0 -16 1525 No stop 05 57 00 --- 08 53 36 67.7 57.9 -2.6 0.0 74 1536 05 55 31 05 57 00 ARP299 08 53 36 67.6 60.1 -2.6 0.0 -16 1536 No stop 06 01 15 --- 08 57 51 68.2 60.2 -2.5 0.0 239 1569 05 57 01 06 01 45 J1128+5925 08 58 21 68.3 57.9 -2.5 0.0 14 1569 06 01 45 06 02 45 --- 08 59 22 68.4 57.9 -2.5 0.0 60 1577 06 01 46 Schedule for WSTRBORK (Code Wb ) Page 7 Arp 299 at L-band, 1 Gb/s, L+R UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 29 Oct 2022 Day 302 --- 06 02 45 ARP299 08 59 22 68.4 60.2 -2.5 0.0 -16 1577 No stop 06 07 00 --- 09 03 37 69.0 60.2 -2.4 0.0 239 1610 06 02 46 06 07 00 J1128+5925 09 03 37 69.0 57.8 -2.4 0.0 -16 1610 No stop 06 08 30 --- 09 05 07 69.2 57.8 -2.4 0.0 74 1621 06 07 01 06 08 30 ARP299 09 05 07 69.2 60.2 -2.4 0.0 -16 1621 No stop 06 12 45 --- 09 09 23 69.7 60.2 -2.3 0.0 239 1654 06 08 31 06 13 15 J1128+5925 09 09 53 69.8 57.7 -2.3 0.0 14 1654 06 13 15 06 14 15 --- 09 10 53 69.9 57.7 -2.3 0.0 60 1662 06 13 16 06 14 15 ARP299 09 10 53 69.9 60.2 -2.3 0.0 -16 1662 No stop 06 18 30 --- 09 15 09 70.5 60.2 -2.2 0.0 239 1695 06 14 16 06 18 30 J1128+5925 09 15 09 70.5 57.6 -2.2 0.0 -16 1695 No stop 06 20 00 --- 09 16 39 70.7 57.6 -2.2 0.0 74 1706 06 18 31 06 20 00 ARP299 09 16 39 70.7 60.2 -2.2 0.0 -16 1706 No stop 06 23 30 --- 09 20 10 71.1 60.1 -2.2 0.0 194 1733 06 20 01 06 24 00 J1128+5925 09 20 40 71.2 57.4 -2.1 0.0 14 1733 06 24 00 06 25 00 --- 09 21 40 71.3 57.4 -2.1 0.0 60 1741 06 24 01 06 25 00 ARP299 09 21 40 71.3 60.1 -2.1 0.0 -16 1741 No stop 06 28 30 --- 09 25 11 71.8 60.0 -2.1 0.0 194 1768 06 25 01 06 28 30 J1128+5925 09 25 11 71.7 57.2 -2.1 0.0 -16 1768 No stop 06 30 00 --- 09 26 41 71.9 57.2 -2.0 0.0 74 1780 06 28 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess322.L1024 --- 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: 2 Station: WSTRBORK Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 1247.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 16 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 BBC fr= 379.49 379.49 379.49 379.49 443.49 443.49 443.49 443.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 16 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) * ARP299 11 25 44.174219 * 11 28 33.622010 11 29 48.586236 0.00 58 50 18.17319 * 58 33 46.61000 58 26 10.89937 0.00 From catalog imbedded in main SCHED input file. * J1128+5925 11 25 23.181652 * 11 28 13.340676 11 29 28.590015 0.00 59 41 46.14397 * 59 25 14.79866 59 17 38.97611 0.00 From catalog imbedded in main SCHED input file. * 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 27.323318 0.31 J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 22.20680 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc 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 ARP299 sess322.L1024 1 2 3 4 5 6 7 8 9 10 15 16 8.717 854.297 J1128+5925 sess322.L1024 1 2 3 4 5 6 7 8 9 10 15 16 2.625 227.019 4C39.25 sess322.L1024 1 2 3 4 5 6 7 8 9 10 15 16 0.083 9.860 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) ARP299 79.2 J1128+5925 79.8 4C39.25 84.3 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