COVER INFORMATION Station: TIANMA65 (Code T6 ) Experiment: CEN 1a and 1b: The third case of a colliding-wind binary emitting gamma Exp. Code: EM173B Schedule Version: 3.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Marcote Address: JIVE Oude Hoogeveensedijk 4 Dwingeloo Netherlands Phone: +31 521 596 508 EMAIL: marcote@jive.eu Fax: Phone during observation: +31 521 596 508 Observing mode: vlbi Notes: ##### Please, make sure PHASE CAL is OFF ##### Schedule for TIANMA65 (Code T6 ) Page 2 CEN 1a and 1b: The third case of a colliding-wind binary emitting gamma 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2024 Day 63 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 643.51 643.51 643.51 643.51 579.51 579.51 579.51 579.51 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 02 00 00 J1613+3412 20 49 55 33.1 -67.1 4.6 72.4 0 0 02 00 00 02 03 30 =1611+343 20 53 26 32.4 -66.8 4.6 72.0 210 27 02 00 01 02 06 10 J1822+1600 20 56 06 52.1 255.5 2.5 W 59.6 -490 27 02 06 10 02 08 10 =1819+159 20 58 07 51.7 255.9 2.6 W 59.8 0 43 02 06 11 02 08 10 CEN1AB 20 58 07 51.4 256.5 2.6 60.1 -3 43 No stop 02 12 10 --- 21 02 07 50.6 257.2 2.7 60.4 237 73 02 08 11 02 12 30 J1822+1600 21 02 27 50.8 256.7 2.7 60.1 17 73 02 12 30 02 13 40 =1819+159 21 03 38 50.5 256.9 2.7 60.2 70 82 02 12 31 02 13 40 J1819+1543 21 03 38 49.9 257.0 2.7 60.1 -5 82 No stop 02 15 10 =1817+157 21 05 08 49.6 257.3 2.7 60.2 85 94 02 13 41 02 15 10 CEN1AB 21 05 08 50.0 257.8 2.7 60.6 -4 94 No stop 02 19 10 --- 21 09 09 49.1 258.5 2.8 60.9 236 125 02 15 11 02 19 30 J1822+1600 21 09 29 49.3 258.0 2.8 60.6 17 125 02 19 30 02 20 40 =1819+159 21 10 39 49.1 258.2 2.8 60.7 70 134 02 19 31 02 20 40 J1819+1543 21 10 39 48.4 258.3 2.8 60.6 -5 134 No stop 02 22 10 =1817+157 21 12 09 48.1 258.6 2.9 60.7 85 146 02 20 41 02 22 10 J1815+1623 21 12 09 47.5 260.2 2.9 61.6 -5 146 No stop 02 23 40 =1813+163 21 13 39 47.2 260.5 3.0 61.7 85 157 02 22 11 02 23 40 CEN1AB 21 13 39 48.2 259.3 2.9 61.2 -6 157 No stop 02 27 40 --- 21 17 40 47.3 260.0 2.9 61.4 234 188 02 23 41 02 28 00 J1822+1600 21 18 00 47.5 259.5 2.9 61.2 17 188 02 28 00 02 29 00 =1819+159 21 19 00 47.3 259.7 2.9 61.2 60 196 02 28 01 02 29 00 J1819+1543 21 19 00 46.7 259.8 3.0 61.1 -5 196 No stop 02 30 30 =1817+157 21 20 30 46.3 260.0 3.0 61.2 85 207 02 29 01 02 30 30 CEN1AB 21 20 30 46.7 260.5 3.0 61.6 -4 207 No stop 02 34 30 --- 21 24 31 45.9 261.1 3.0 61.8 236 238 02 30 31 02 34 50 J1822+1600 21 24 51 46.1 260.7 3.0 61.5 17 238 02 34 50 02 36 00 =1819+159 21 26 01 45.8 260.9 3.0 61.6 70 247 02 34 51 Schedule for TIANMA65 (Code T6 ) Page 3 CEN 1a and 1b: The third case of a colliding-wind binary emitting gamma 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2024 Day 63 --- 02 36 00 J1819+1543 21 26 01 45.2 260.9 3.1 61.5 -5 247 No stop 02 37 30 =1817+157 21 27 32 44.9 261.2 3.1 61.5 85 259 02 36 01 02 37 30 CEN1AB 21 27 32 45.2 261.6 3.1 61.9 -4 259 No stop 02 41 30 --- 21 31 32 44.4 262.2 3.2 62.1 236 290 02 37 31 02 41 50 J1822+1600 21 31 52 44.6 261.8 3.1 61.9 17 290 02 41 50 02 43 00 =1819+159 21 33 02 44.4 262.0 3.2 61.9 70 299 02 41 51 02 43 00 J1819+1543 21 33 02 43.7 262.1 3.2 61.8 -5 299 No stop 02 44 30 =1817+157 21 34 33 43.4 262.3 3.2 61.8 85 310 02 43 01 02 44 30 J1815+1623 21 34 33 42.7 263.8 3.3 62.5 -5 310 No stop 02 46 00 =1813+163 21 36 03 42.4 264.0 3.3 62.6 85 322 02 44 31 02 46 00 CEN1AB 21 36 03 43.4 262.9 3.2 62.2 -6 322 No stop 02 50 00 --- 21 40 04 42.6 263.6 3.3 62.4 234 353 02 46 01 02 50 20 J1822+1600 21 40 24 42.8 263.1 3.3 62.2 17 353 02 50 20 02 51 20 =1819+159 21 41 24 42.6 263.3 3.3 62.2 60 361 02 50 21 02 51 20 J1819+1543 21 41 24 41.9 263.4 3.3 62.1 -5 361 No stop 02 52 50 =1817+157 21 42 54 41.6 263.6 3.4 62.1 85 372 02 51 21 02 52 50 CEN1AB 21 42 54 42.0 264.0 3.4 62.5 -4 372 No stop 02 56 50 --- 21 46 55 41.1 264.6 3.4 62.6 236 403 02 52 51 02 57 10 J1822+1600 21 47 15 41.3 264.2 3.4 62.4 17 403 02 57 10 02 58 20 =1819+159 21 48 25 41.1 264.4 3.4 62.4 70 412 02 57 11 02 58 20 J1819+1543 21 48 25 40.4 264.4 3.5 62.3 -5 412 No stop 02 59 50 =1817+157 21 49 55 40.1 264.6 3.5 62.3 85 424 02 58 21 02 59 50 CEN1AB 21 49 55 40.5 265.0 3.5 62.7 -4 424 No stop 03 03 50 --- 21 53 56 39.6 265.6 3.5 62.8 236 455 02 59 51 03 04 10 J1822+1600 21 54 16 39.8 265.2 3.5 62.6 17 455 03 04 10 03 05 20 =1819+159 21 55 26 39.6 265.4 3.5 62.6 70 464 03 04 11 03 05 20 J1819+1543 21 55 26 38.9 265.4 3.6 62.5 -5 464 No stop 03 06 50 =1817+157 21 56 56 38.6 265.6 3.6 62.5 85 475 03 05 21 03 06 50 J1815+1623 21 56 56 38.0 267.0 3.7 63.1 -5 475 No stop 03 08 20 =1813+163 21 58 27 37.6 267.2 3.7 63.1 85 487 03 06 51 Schedule for TIANMA65 (Code T6 ) Page 4 CEN 1a and 1b: The third case of a colliding-wind binary emitting gamma 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2024 Day 63 --- 03 08 20 CEN1AB 21 58 27 38.7 266.2 3.6 62.8 -6 487 No stop 03 12 20 --- 22 02 27 37.8 266.8 3.7 62.9 234 518 03 08 21 03 12 40 J1822+1600 22 02 47 38.0 266.4 3.7 62.8 17 518 03 12 40 03 13 40 =1819+159 22 03 48 37.8 266.6 3.7 62.8 60 526 03 12 41 03 13 40 J1819+1543 22 03 48 37.1 266.6 3.7 62.6 -5 526 No stop 03 15 10 =1817+157 22 05 18 36.8 266.8 3.7 62.7 85 537 03 13 41 03 15 10 CEN1AB 22 05 18 37.2 267.2 3.7 62.9 -4 537 No stop 03 19 10 --- 22 09 18 36.3 267.7 3.8 63.0 236 568 03 15 11 03 19 30 J1822+1600 22 09 38 36.6 267.4 3.8 62.9 17 568 03 19 30 03 20 40 =1819+159 22 10 49 36.3 267.5 3.8 62.9 70 577 03 19 31 03 20 40 J1819+1543 22 10 49 35.6 267.6 3.8 62.7 -5 577 No stop 03 22 10 =1817+157 22 12 19 35.3 267.8 3.9 62.7 85 589 03 20 41 03 22 10 CEN1AB 22 12 19 35.7 268.1 3.8 63.0 -4 589 No stop 03 26 10 --- 22 16 20 34.8 268.7 3.9 63.1 236 620 03 22 11 03 26 30 J1822+1600 22 16 40 35.0 268.3 3.9 62.9 17 620 03 26 30 03 27 40 =1819+159 22 17 50 34.8 268.5 3.9 62.9 70 629 03 26 31 03 27 40 J1819+1543 22 17 50 34.1 268.5 4.0 62.8 -5 629 No stop 03 29 10 =1817+157 22 19 20 33.8 268.7 4.0 62.8 85 640 03 27 41 03 29 10 J1815+1623 22 19 20 33.2 270.0 4.1 63.2 -5 640 No stop 03 30 40 =1813+163 22 20 50 32.8 270.2 4.1 63.2 85 652 03 29 11 03 30 40 CEN1AB 22 20 50 33.9 269.3 4.0 63.1 -6 652 No stop 03 34 40 --- 22 24 51 33.0 269.8 4.1 63.1 234 683 03 30 41 03 35 00 J1822+1600 22 25 11 33.2 269.4 4.0 63.0 17 683 03 35 00 03 36 00 =1819+159 22 26 11 33.0 269.6 4.0 63.0 60 690 03 35 01 03 36 00 J1819+1543 22 26 11 32.3 269.6 4.1 62.8 -5 690 No stop 03 37 30 =1817+157 22 27 41 32.0 269.8 4.1 62.8 85 702 03 36 01 03 40 10 J1613+3412 22 30 22 14.0 301.7 6.3 61.7 87 702 03 40 10 03 43 10 =1611+343 22 33 22 13.4 302.0 6.3 61.3 180 725 03 40 11 03 45 50 J1822+1600 22 36 03 30.9 270.8 4.2 63.0 87 725 03 45 50 03 47 50 =1819+159 22 38 03 30.5 271.1 4.2 63.0 120 741 03 45 51 Schedule for TIANMA65 (Code T6 ) Page 5 CEN 1a and 1b: The third case of a colliding-wind binary emitting gamma 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2024 Day 63 --- 03 47 50 CEN1AB 22 38 03 30.2 271.5 4.3 63.0 -3 741 No stop 03 51 50 --- 22 42 04 29.3 272.0 4.3 63.0 237 772 03 47 51 03 52 10 J1822+1600 22 42 24 29.5 271.6 4.3 62.9 17 772 03 52 10 03 53 20 =1819+159 22 43 34 29.3 271.8 4.3 62.9 70 781 03 52 11 03 53 20 J1819+1543 22 43 34 28.6 271.8 4.4 62.8 -5 781 No stop 03 54 50 =1817+157 22 45 04 28.3 272.0 4.4 62.8 85 792 03 53 21 03 54 50 CEN1AB 22 45 04 28.7 272.4 4.4 63.0 -4 792 No stop 03 58 50 --- 22 49 05 27.8 272.8 4.5 62.9 236 823 03 54 51 03 59 10 J1822+1600 22 49 25 28.0 272.5 4.4 62.9 17 823 03 59 10 04 00 20 =1819+159 22 50 35 27.8 272.7 4.5 62.9 70 832 03 59 11 04 00 20 J1819+1543 22 50 35 27.1 272.7 4.5 62.7 -5 832 No stop 04 01 50 =1817+157 22 52 05 26.8 272.9 4.5 62.7 85 844 04 00 21 04 01 50 J1815+1623 22 52 05 26.2 274.1 4.6 62.9 -5 844 No stop 04 03 20 =1813+163 22 53 36 25.8 274.3 4.6 62.9 85 855 04 01 51 04 03 20 CEN1AB 22 53 36 26.9 273.4 4.5 62.9 -6 855 No stop 04 07 20 --- 22 57 36 26.0 273.9 4.6 62.8 234 886 04 03 21 04 07 40 J1822+1600 22 57 56 26.2 273.6 4.6 62.8 17 886 04 07 40 04 08 40 =1819+159 22 58 57 26.0 273.7 4.6 62.8 60 894 04 07 41 04 08 40 J1819+1543 22 58 57 25.3 273.7 4.6 62.6 -5 894 No stop 04 10 10 =1817+157 23 00 27 25.0 273.9 4.7 62.6 85 906 04 08 41 04 10 10 CEN1AB 23 00 27 25.4 274.2 4.6 62.8 -4 906 No stop 04 14 10 --- 23 04 27 24.5 274.7 4.7 62.7 236 937 04 10 11 04 14 30 J1822+1600 23 04 48 24.8 274.4 4.7 62.7 17 937 04 14 30 04 15 40 =1819+159 23 05 58 24.5 274.5 4.7 62.6 70 946 04 14 31 04 15 40 J1819+1543 23 05 58 23.8 274.6 4.8 62.5 -5 946 No stop 04 17 10 =1817+157 23 07 28 23.5 274.8 4.8 62.5 85 957 04 15 41 04 17 10 CEN1AB 23 07 28 23.9 275.1 4.8 62.6 -4 957 No stop 04 21 10 --- 23 11 29 23.1 275.6 4.8 62.6 236 988 04 17 11 04 21 30 J1822+1600 23 11 49 23.3 275.2 4.8 62.5 17 988 04 21 30 04 22 40 =1819+159 23 12 59 23.0 275.4 4.8 62.5 70 997 04 21 31 Schedule for TIANMA65 (Code T6 ) Page 6 CEN 1a and 1b: The third case of a colliding-wind binary emitting gamma 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2024 Day 63 --- 04 22 40 J1819+1543 23 12 59 22.3 275.4 4.9 62.3 -5 997 No stop 04 24 10 =1817+157 23 14 29 22.0 275.6 4.9 62.3 85 1009 04 22 41 04 24 10 J1815+1623 23 14 29 21.4 276.8 5.0 62.4 -5 1009 No stop 04 25 40 =1813+163 23 15 59 21.1 276.9 5.0 62.4 85 1020 04 24 11 04 25 40 CEN1AB 23 15 59 22.1 276.1 4.9 62.4 -6 1020 No stop 04 29 40 --- 23 20 00 21.2 276.6 5.0 62.3 234 1051 04 25 41 04 30 00 J1822+1600 23 20 20 21.4 276.3 5.0 62.3 17 1051 04 30 00 04 31 00 =1819+159 23 21 20 21.2 276.4 5.0 62.3 60 1059 04 30 01 04 31 00 J1819+1543 23 21 20 20.6 276.4 5.0 62.1 -5 1059 No stop 04 32 30 =1817+157 23 22 50 20.2 276.6 5.0 62.1 85 1070 04 31 01 04 32 30 CEN1AB 23 22 50 20.6 276.9 5.0 62.3 -4 1070 No stop 04 36 30 --- 23 26 51 19.8 277.4 5.1 62.2 236 1101 04 32 31 04 36 50 J1822+1600 23 27 11 20.0 277.1 5.1 62.1 17 1101 04 36 50 04 38 00 =1819+159 23 28 21 19.7 277.2 5.1 62.1 70 1110 04 36 51 04 38 00 J1819+1543 23 28 21 19.1 277.3 5.1 61.9 -5 1110 No stop 04 39 30 =1817+157 23 29 52 18.7 277.5 5.2 61.9 85 1122 04 38 01 04 39 30 CEN1AB 23 29 52 19.1 277.8 5.1 62.1 -4 1122 No stop 04 43 30 --- 23 33 52 18.3 278.2 5.2 61.9 236 1153 04 39 31 04 43 50 J1822+1600 23 34 12 18.5 277.9 5.2 61.9 17 1153 04 43 50 04 45 00 =1819+159 23 35 23 18.2 278.1 5.2 61.9 70 1162 04 43 51 04 45 00 J1819+1543 23 35 23 17.6 278.1 5.2 61.7 -5 1162 No stop 04 46 30 =1817+157 23 36 53 17.3 278.3 5.3 61.7 85 1174 04 45 01 04 46 30 J1815+1623 23 36 53 16.6 279.4 5.3 61.7 -4 1174 No stop 04 48 00 =1813+163 23 38 23 16.3 279.6 5.4 61.7 86 1185 04 46 31 04 48 00 CEN1AB 23 38 23 17.3 278.8 5.3 61.8 -6 1185 No stop 04 52 00 --- 23 42 24 16.5 279.3 5.3 61.6 234 1216 04 48 01 04 52 20 J1822+1600 23 42 44 16.7 278.9 5.3 61.7 17 1216 04 52 20 04 53 20 =1819+159 23 43 44 16.5 279.1 5.3 61.6 60 1224 04 52 21 04 53 20 J1819+1543 23 43 44 15.8 279.1 5.4 61.5 -5 1224 No stop 04 54 50 =1817+157 23 45 14 15.5 279.3 5.4 61.4 85 1235 04 53 21 Schedule for TIANMA65 (Code T6 ) Page 7 CEN 1a and 1b: The third case of a colliding-wind binary emitting gamma 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2024 Day 63 --- 04 54 50 CEN1AB 23 45 14 15.9 279.6 5.4 61.5 -4 1235 No stop 04 58 50 --- 23 49 15 15.0 280.1 5.5 61.4 236 1266 04 54 51 04 59 10 J1822+1600 23 49 35 15.2 279.8 5.4 61.4 17 1266 04 59 10 05 00 20 =1819+159 23 50 45 15.0 279.9 5.5 61.4 70 1275 04 59 11 05 00 20 J1819+1543 23 50 45 14.3 280.0 5.5 61.2 -5 1275 No stop 05 01 50 =1817+157 23 52 15 14.0 280.1 5.5 61.1 85 1287 05 00 21 05 01 50 CEN1AB 23 52 15 14.4 280.4 5.5 61.3 -4 1287 No stop 05 05 50 --- 23 56 16 13.6 280.9 5.6 61.1 236 1318 05 01 51 05 06 10 J1822+1600 23 56 36 13.8 280.6 5.6 61.1 17 1318 05 06 10 05 07 20 =1819+159 23 57 46 13.5 280.7 5.6 61.1 70 1327 05 06 11 05 07 20 J1819+1543 23 57 46 12.9 280.8 5.6 60.9 -5 1327 No stop 05 08 50 =1817+157 23 59 16 12.5 281.0 5.6 60.9 85 1338 05 07 21 05 08 50 J1815+1623 23 59 16 11.9 282.1 5.7 60.8 -4 1338 No stop 05 10 20 =1813+163 00 00 47 11.6 282.3 5.7 60.7 86 1350 05 08 51 05 10 20 CEN1AB 00 00 47 12.6 281.5 5.7 60.9 -6 1350 No stop 05 14 20 --- 00 04 47 11.8 281.9 5.7 60.7 234 1381 05 10 21 05 14 40 J1822+1600 00 05 07 12.0 281.6 5.7 60.8 17 1381 05 14 40 05 15 40 =1819+159 00 06 08 11.8 281.7 5.7 60.7 60 1389 05 14 41 05 15 40 J1819+1543 00 06 08 11.1 281.8 5.8 60.6 -5 1389 No stop 05 17 10 =1817+157 00 07 38 10.8 282.0 5.8 60.5 85 1400 05 15 41 05 25 30 J1822+1600 00 15 59 9.7 282.9 5.9 60.3 495 1400 05 25 30 05 27 30 =1819+159 00 18 00 9.3 283.2 5.9 60.2 120 1416 05 25 31 05 27 30 J1819+1543 00 18 00 8.6 283.2 6.0 60.0 -5 1416 No stop 05 29 00 =1817+157 00 19 30 8.3 283.4 6.0 59.9 85 1427 05 27 31 05 29 00 CEN1AB 00 19 30 8.7 283.7 6.0 60.0 -4 1427 No stop 05 32 00 --- 00 22 30 8.1 284.1 6.0 59.9 176 1451 05 29 01 05 32 20 J1822+1600 00 22 50 8.3 283.8 6.0 59.9 17 1451 05 32 20 05 33 30 =1819+159 00 24 00 8.0 283.9 6.0 59.9 70 1460 05 32 21 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess124.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: 11 Station: TIANMA65 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= 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 Net SB= L L U U L L U U IF SB = L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 5 1 5 2 6 2 6 BBC SB= U U L L U U L L IF = A4 B3 A4 B3 A4 B3 A4 B3 The following frequency sets based on these setups were used. Frequency Set: 7 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= 643.51 643.51 643.51 643.51 579.51 579.51 579.51 579.51 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 7 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) * CEN1AB 18 18 15.360556 * 18 20 29.850000 18 21 34.020529 0.00 16 09 20.33497 * 16 10 45.00000 16 11 07.82143 0.00 From catalog imbedded in main SCHED input file. 1611+343 16 11 47.914252 * 16 13 41.064243 16 14 35.916407 0.13 * J1613+3412 34 20 19.83388 * 34 12 47.90890 34 08 47.57144 0.16 J1613+34 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 162031 observations. 1813+163 18 13 00.675596 * 18 15 14.854482 18 16 18.907894 0.21 * J1815+1623 16 22 44.51113 * 16 23 46.29557 16 23 57.97452 0.35 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 72 observations. 1817+157 18 17 23.240839 * 18 19 38.289316 18 20 42.736043 0.32 * J1819+1543 15 42 23.82788 * 15 43 44.72796 15 44 05.85532 0.38 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 63 observations. 1819+159 18 19 55.245736 * 18 22 09.968986 18 23 14.242287 0.10 * J1822+1600 15 58 42.91934 * 16 00 14.84314 16 00 41.23078 0.19 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 184 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 CEN1AB sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 12 4.300 415.018 J1613+3412 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 12 0.358 32.682 J1815+1623 sess124.L1024 2 3 4 5 6 7 8 9 10 11 12 0.525 36.386 J1819+1543 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 12 1.683 124.617 J1822+1600 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 12 1.367 125.012 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) CEN1AB 72.0 J1613+3412 102.7 J1815+1623 73.3 J1819+1543 72.2 J1822+1600 71.6 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