COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: Rotation measure imaging of the CSO J1826+18 Exp. Code: BG164A Schedule Version: 1.00 Processed by SCHED version: 6.04 March 2006 PI: Nicole Gugliucci Address: Dept. of Astronomy, University of Virginia 530 McCormick Road, Charlottesville, VA 22903 Phone: (434) 924 7491 (work); (917) 992 5890 (home) EMAIL: neg9j@virginia.edu Fax: (434) 924 3104 Phone during observation: (917) 992 5890 Observing mode: VLBA 256-8-2 at 2cm, 4cm, and 6cm Notes: Fringe finder and EVPA cal #1: 3C279 Pol. EVPA cal #2: J2136+00 Pol. EVPA cal #3: J1310+3220 Pol. D-term cal: OQ208 Schedule for VLBA_NL (Code Nl ) Page 2 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 07 23 26 3C279 15 06 11 34.0 220.0 2.2 28.8 0 1 1 0 07 23 26 07 27 25 --- 15 10 11 33.5 221.1 2.2 29.5 239 F 1 3191 07 23 34 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 07 27 25 3C279 15 10 11 33.5 221.1 2.2 29.5 -4 1 1 3191 07 27 25 07 31 25 --- 15 14 11 33.0 222.1 2.3 30.2 235 F 1 6383 07 27 48 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 07 32 25 J1310+32 15 15 11 63.6 259.2 2.1 60.1 -7 1 1 6383 07 32 25 07 34 24 --- 15 17 11 63.2 259.6 2.1 60.2 112 F 1 7978 07 32 33 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 07 34 24 J1310+32 15 17 11 63.2 259.6 2.1 60.2 -4 1 1 7978 07 34 24 07 36 24 --- 15 19 11 62.9 260.1 2.1 60.4 116 F 1 9574 07 34 47 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 07 36 24 OQ208 15 19 11 70.2 233.3 1.2 42.8 -24 1 1 9574 07 36 24 07 39 24 --- 15 22 11 69.8 234.7 1.2 43.8 156 F 1 11967 07 36 47 Schedule for VLBA_NL (Code Nl ) Page 3 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 07 39 24 OQ208 15 22 11 69.8 234.7 1.2 43.8 -4 1 1 11967 07 39 24 07 41 23 --- 15 24 11 69.5 235.6 1.3 44.4 116 F 1 13563 07 39 47 07 41 23 J1826+18 15 24 11 44.9 106.8 -3.0 -48.8 -92 1 2 13563 07 41 23 07 51 22 --- 15 34 11 46.7 109.1 -2.9 -48.0 507 R 1 13659 07 41 23 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 07 51 22 J1826+18 15 34 11 46.7 109.1 -2.9 -48.0 -4 1 2 13659 07 51 22 08 01 20 --- 15 44 11 48.5 111.5 -2.7 -47.1 594 R 1 5681 07 51 45 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 08 01 20 J1826+18 15 44 11 48.5 111.5 -2.7 -47.1 -4 1 3 5681 08 01 20 08 11 18 --- 15 54 11 50.2 114.0 -2.5 -46.0 594 F 1 2297 08 01 43 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 08 11 18 J1826+18 15 54 11 50.2 114.0 -2.5 -46.0 -4 1 3 2297 08 11 18 08 21 17 --- 16 04 11 51.9 116.6 -2.4 -44.7 594 F 1 10275 08 11 41 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 08 21 17 J1826+18 16 04 11 51.9 116.6 -2.4 -44.7 -4 1 4 10275 08 21 17 08 31 15 --- 16 14 11 53.5 119.4 -2.2 -43.2 594 R 1 16946 08 21 40 Schedule for VLBA_NL (Code Nl ) Page 4 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 08 31 15 J1826+18 16 14 11 53.5 119.4 -2.2 -43.2 -4 1 4 16946 08 31 15 08 41 13 --- 16 24 11 55.1 122.4 -2.0 -41.6 594 R 1 8968 08 31 38 08 43 13 OQ208 16 26 11 58.9 255.8 2.3 55.3 25 1 4 8968 08 43 13 08 46 13 --- 16 29 11 58.4 256.5 2.4 55.6 180 R 1 6575 08 43 21 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 08 46 13 OQ208 16 29 11 58.4 256.5 2.4 55.6 -4 1 4 6575 08 46 13 08 49 12 --- 16 32 11 57.8 257.2 2.4 55.8 176 R 1 4181 08 46 36 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 08 51 12 3C279 16 34 11 21.4 240.3 3.6 40.6 41 1 4 4181 08 51 12 08 53 11 --- 16 36 11 21.0 240.7 3.7 40.8 120 R 1 2586 08 51 20 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 08 53 11 3C279 16 36 11 21.0 240.7 3.7 40.8 -4 1 5 2586 08 53 11 08 58 11 --- 16 41 11 20.2 241.7 3.7 41.3 295 F 1 1403 08 53 34 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 08 59 30 J1310+32 16 42 31 47.4 275.0 3.5 61.5 19 1 5 1403 08 59 30 09 01 30 --- 16 44 31 47.0 275.3 3.6 61.5 120 F 1 2999 08 59 38 Schedule for VLBA_NL (Code Nl ) Page 5 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 09 01 30 J1310+32 16 44 31 47.0 275.3 3.6 61.5 -4 1 5 2999 09 01 30 09 03 30 --- 16 46 31 46.7 275.6 3.6 61.4 116 F 1 4595 09 01 53 09 03 30 J1826+18 16 46 31 58.5 129.9 -1.7 -37.1 -103 1 5 4595 09 03 30 09 13 28 --- 16 56 31 59.9 133.7 -1.5 -34.7 495 F 1 12573 09 03 30 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 09 13 28 J1826+18 16 56 31 59.9 133.7 -1.5 -34.7 -4 1 6 12573 09 13 28 09 23 26 --- 17 06 31 61.2 137.7 -1.3 -32.0 594 R 1 14649 09 13 51 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 09 23 26 J1826+18 17 06 31 61.2 137.7 -1.3 -32.0 -4 1 6 14649 09 23 26 09 33 25 --- 17 16 31 62.4 142.0 -1.2 -29.0 594 R 1 6671 09 23 49 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 09 33 25 J1826+18 17 16 31 62.4 142.0 -1.2 -29.0 -4 1 7 6671 09 33 25 09 43 23 --- 17 26 31 63.5 146.6 -1.0 -25.6 594 F 1 1307 09 33 48 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 09 43 23 J1826+18 17 26 31 63.5 146.6 -1.0 -25.6 -4 1 7 1307 09 43 23 09 53 22 --- 17 36 31 64.4 151.6 -0.8 -22.0 594 F 1 9285 09 43 46 Schedule for VLBA_NL (Code Nl ) Page 6 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 09 53 22 J1826+18 17 36 31 64.4 151.6 -0.8 -22.0 -4 1 7 9285 09 53 22 10 03 20 --- 17 46 31 65.2 156.8 -0.7 -18.0 594 F 1 17264 09 53 45 10 05 20 OQ208 17 48 31 43.7 271.7 3.7 58.0 37 1 8 17264 10 05 20 10 08 19 --- 17 51 31 43.1 272.2 3.7 57.9 180 R 1 14870 10 05 28 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 10 08 19 OQ208 17 51 31 43.1 272.2 3.7 57.9 -4 1 8 14870 10 08 19 10 11 19 --- 17 54 31 42.5 272.7 3.8 57.9 176 R 1 12477 10 08 42 10 11 19 J1826+18 17 54 31 65.8 161.2 -0.5 -14.7 -80 1 8 12477 10 11 19 10 21 17 --- 18 04 31 66.3 166.9 -0.4 -10.3 518 R 1 4499 10 11 19 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 10 21 17 J1826+18 18 04 31 66.3 166.9 -0.4 -10.3 -4 1 9 4499 10 21 17 10 31 15 --- 18 14 31 66.6 172.8 -0.2 -5.7 594 F 1 3480 10 21 40 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 10 31 15 J1826+18 18 14 31 66.6 172.8 -0.2 -5.7 -4 1 9 3480 10 31 15 10 41 14 --- 18 24 31 66.8 178.8 0.0 -1.0 594 F 1 11458 10 31 38 Schedule for VLBA_NL (Code Nl ) Page 7 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 10 41 14 J1826+18 18 24 31 66.8 178.8 0.0 -1.0 -4 1 10 11458 10 41 14 10 51 12 --- 18 34 31 66.7 184.8 0.1 3.7 594 R 1 15764 10 41 37 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 10 51 12 J1826+18 18 34 31 66.7 184.8 0.1 3.7 -4 1 10 15764 10 51 12 11 01 10 --- 18 44 31 66.4 190.7 0.3 8.4 594 R 1 7786 10 51 35 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 11 01 10 J1826+18 18 44 31 66.4 190.7 0.3 8.4 -4 1 11 7786 11 01 10 11 11 09 --- 18 54 31 66.0 196.5 0.5 12.9 594 F 1 192 11 01 33 11 12 09 J1310+32 18 55 31 23.5 293.2 5.7 54.2 -31 1 11 192 11 12 09 11 14 08 --- 18 57 31 23.1 293.5 5.8 54.1 88 F 1 1788 11 12 17 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 11 14 08 J1310+32 18 57 31 23.1 293.5 5.8 54.1 -4 1 11 1788 11 14 08 11 16 08 --- 18 59 31 22.8 293.7 5.8 53.9 116 F 1 3383 11 14 31 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 11 18 08 OQ208 19 01 31 30.2 282.6 4.9 55.8 99 1 11 3383 11 18 08 11 20 07 --- 19 03 31 29.8 282.9 4.9 55.7 120 F 1 4979 11 18 16 Schedule for VLBA_NL (Code Nl ) Page 8 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 11 20 07 OQ208 19 03 31 29.8 282.9 4.9 55.7 -4 1 11 4979 11 20 07 11 22 07 --- 19 05 31 29.5 283.2 5.0 55.6 116 F 1 6575 11 20 30 11 22 07 J1826+18 19 05 31 65.3 202.6 0.6 17.6 -78 1 11 6575 11 22 07 11 32 05 --- 19 15 31 64.5 207.8 0.8 21.6 521 F 1 14553 11 22 07 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 11 32 05 J1826+18 19 15 31 64.5 207.8 0.8 21.6 -4 1 12 14553 11 32 05 11 42 04 --- 19 25 31 63.6 212.8 1.0 25.2 594 R 1 12669 11 32 28 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 11 42 04 J1826+18 19 25 31 63.6 212.8 1.0 25.2 -4 1 12 12669 11 42 04 11 52 02 --- 19 35 31 62.5 217.5 1.1 28.6 594 R 1 4691 11 42 27 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 11 52 02 J1826+18 19 35 31 62.5 217.5 1.1 28.6 -4 1 13 4691 11 52 02 12 02 00 --- 19 45 31 61.3 221.8 1.3 31.6 594 F 1 3287 11 52 25 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 12 02 00 J1826+18 19 45 31 61.3 221.8 1.3 31.6 -4 1 13 3287 12 02 00 12 11 59 --- 19 55 31 60.0 225.9 1.5 34.4 594 F 1 11266 12 02 23 Schedule for VLBA_NL (Code Nl ) Page 9 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 12 11 59 J1826+18 19 55 31 60.0 225.9 1.5 34.4 -4 1 14 11266 12 11 59 12 21 57 --- 20 05 31 58.6 229.7 1.6 36.9 594 R 1 15956 12 12 22 12 22 57 J2136+00 20 06 31 44.2 147.6 -1.5 -23.6 -1 1 14 15956 12 22 57 12 24 57 --- 20 08 31 44.4 148.2 -1.5 -23.1 119 R 1 14361 12 23 05 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 12 24 57 J2136+00 20 08 31 44.4 148.2 -1.5 -23.1 -4 1 14 14361 12 24 57 12 26 56 --- 20 10 31 44.6 148.9 -1.4 -22.7 116 R 1 12765 12 25 20 12 26 56 J1826+18 20 10 31 57.9 231.5 1.7 38.0 -61 1 14 12765 12 26 56 12 36 55 --- 20 20 31 56.4 234.9 1.9 40.0 537 R 1 4787 12 26 56 ----------- Tape Change ------------ Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 12 36 55 J1826+18 20 20 31 56.4 234.9 1.9 40.0 -4 2 1 4787 12 36 55 12 46 53 --- 20 30 31 54.9 238.0 2.1 41.9 594 F 1 3191 12 37 18 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 12 46 53 J1826+18 20 30 31 54.9 238.0 2.1 41.9 -4 2 1 3191 12 46 53 12 56 51 --- 20 40 31 53.3 241.0 2.2 43.5 594 F 1 11169 12 47 16 Schedule for VLBA_NL (Code Nl ) Page 10 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 12 56 51 J1826+18 20 40 31 53.3 241.0 2.2 43.5 -4 2 2 11169 12 56 51 13 06 50 --- 20 50 31 51.6 243.8 2.4 44.9 594 R 1 16052 12 57 14 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 13 06 50 J1826+18 20 50 31 51.6 243.8 2.4 44.9 -4 2 2 16052 13 06 50 13 16 48 --- 21 00 31 49.9 246.4 2.6 46.1 594 R 1 8074 13 07 13 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 13 16 48 J1826+18 21 00 31 49.9 246.4 2.6 46.1 -4 2 2 8074 13 16 48 13 26 46 --- 21 10 31 48.2 248.9 2.7 47.2 594 R 1 96 13 17 11 13 27 46 J2136+00 21 11 31 48.6 170.4 -0.4 -7.2 1 2 3 96 13 27 46 13 29 46 --- 21 13 31 48.6 171.1 -0.4 -6.6 120 F 1 1692 13 27 54 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 13 29 46 J2136+00 21 13 31 48.6 171.1 -0.4 -6.6 -4 2 3 1692 13 29 46 13 31 46 --- 21 15 31 48.7 171.9 -0.4 -6.1 116 F 1 3287 13 30 09 13 31 46 J1826+18 21 15 31 47.3 250.1 2.8 47.7 -58 2 3 3287 13 31 46 13 41 44 --- 21 25 31 45.6 252.4 3.0 48.6 540 F 1 11266 13 31 46 Schedule for VLBA_NL (Code Nl ) Page 11 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 13 41 44 J1826+18 21 25 31 45.6 252.4 3.0 48.6 -4 2 4 11266 13 41 44 13 51 42 --- 21 35 31 43.8 254.6 3.1 49.3 594 R 1 15956 13 42 07 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 13 51 42 J1826+18 21 35 31 43.8 254.6 3.1 49.3 -4 2 4 15956 13 51 42 14 01 41 --- 21 45 31 42.0 256.7 3.3 49.9 594 R 1 7978 13 52 05 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 14 01 41 J1826+18 21 45 31 42.0 256.7 3.3 49.9 -4 2 4 7978 14 01 41 14 11 39 --- 21 55 31 40.1 258.7 3.5 50.5 594 R 1 0 14 02 04 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 14 11 39 J1826+18 21 55 31 40.1 258.7 3.5 50.5 -4 2 5 0 14 11 39 14 21 37 --- 22 05 31 38.3 260.6 3.6 50.9 594 F 1 7978 14 12 02 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 14 21 37 J1826+18 22 05 31 38.3 260.6 3.6 50.9 -4 2 5 7978 14 21 37 14 31 36 --- 22 15 31 36.5 262.5 3.8 51.2 594 F 1 15956 14 22 00 14 32 36 J2136+00 22 16 31 48.0 194.9 0.7 11.0 9 2 5 15956 14 32 36 14 34 35 --- 22 18 31 47.9 195.6 0.7 11.6 120 F 1 17552 14 32 44 Schedule for VLBA_NL (Code Nl ) Page 12 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 14 34 35 J2136+00 22 18 31 47.9 195.6 0.7 11.6 -4 2 6 17552 14 34 35 14 36 35 --- 22 20 31 47.8 196.3 0.7 12.1 116 R 1 15956 14 34 58 14 36 35 J1826+18 22 20 31 35.5 263.4 3.9 51.4 -51 2 6 15956 14 36 35 14 42 34 --- 22 26 31 34.4 264.5 4.0 51.5 308 R 1 11169 14 36 35 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 14 42 34 J1826+18 22 26 31 34.4 264.5 4.0 51.5 -4 2 6 11169 14 42 34 14 48 33 --- 22 32 31 33.3 265.6 4.1 51.7 355 R 1 6382 14 42 57 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 14 48 33 J1826+18 22 32 31 33.3 265.6 4.1 51.7 -4 2 6 6382 14 48 33 14 54 32 --- 22 38 31 32.2 266.6 4.2 51.7 355 R 1 1596 14 48 56 Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 14 54 32 J1826+18 22 38 31 32.2 266.6 4.2 51.7 -4 2 7 1596 14 54 32 15 00 31 --- 22 44 31 31.1 267.7 4.3 51.8 355 F 1 3191 14 54 55 Next scan frequencies: 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 Next BBC frequencies: 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 15 00 31 J1826+18 22 44 31 31.1 267.7 4.3 51.8 -4 2 7 3191 15 00 31 15 06 30 --- 22 50 31 30.0 268.7 4.4 51.8 355 F 1 7978 15 00 54 Schedule for VLBA_NL (Code Nl ) Page 13 Rotation measure imaging of the CSO J1826+18 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 19 Apr 2006 Day 109 --- Next scan frequencies: 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 Next BBC frequencies: 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 15 06 30 J1826+18 22 50 31 30.0 268.7 4.4 51.8 -4 2 7 7978 15 06 30 15 12 29 --- 22 56 31 28.8 269.7 4.5 51.9 355 F 1 12765 15 06 53 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: rm6cmv.set Matches group v6cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 3 Station: VLBA_NL Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 1.00 Tape used at high density at 160.000 ips. Time per pass is 22.00 minutes. 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = A C A C A C A C VLBA FE= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 3 Setup file default. Used pcal sets: 1 LO sum= 4604.49 4604.49 4612.49 4612.49 4989.49 4989.49 4997.49 4997.49 BBC fr= 504.49 504.49 512.49 512.49 889.49 889.49 897.49 897.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto Setup file: rm4cmv.set Matches group v4cm_3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 13 Station: VLBA_NL Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 1.00 Tape used at high density at 160.000 ips. Time per pass is 22.00 minutes. 1st LO= 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = B D B D B D B D VLBA FE= omit 4cm omit 4cm VLBA Synth= 7.6 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 13 Setup file default. Used pcal sets: 2 LO sum= 8110.99 8110.99 8118.99 8118.99 8416.99 8416.99 8424.99 8424.99 BBC fr= 510.99 510.99 518.99 518.99 816.99 816.99 824.99 824.99 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 2 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 10 10 10 10 6010 6010 6010 6010 PCALFR2= 10 10 10 10 6010 6010 6010 6010 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- Rotation measure imaging of the CSO J1826+18 Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J1826+18 18 24 06.162292 * 18 26 17.711800 18 26 34.684793 0.00 18 30 02.91416 * 18 31 52.91500 18 31 45.79064 0.00 From catalog imbedded in main SCHED input file. 6.582 scan hours, 276.387 baseline hours above horizon. J2136+0041 21 34 05.207392 * 21 36 38.586327 21 36 57.245205 0.30 2134+00 00 28 25.08018 * 00 41 54.21301 00 43 23.15239 0.21 2134+004 From catalog imbedded in main SCHED input file. * J2136+00 0.199 scan hours, 8.089 baseline hours above horizon. J1407+2827 14 04 45.615151 * 14 07 00.394410 14 07 18.984214 0.00 1404+286 28 41 29.23495 * 28 27 14.68998 28 25 16.63983 0.00 J1407+28 From catalog imbedded in main SCHED input file. * OQ208 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.349 scan hours, 14.235 baseline hours above horizon. J1256-0547 12 53 35.831293 * 12 56 11.166560 12 56 31.785557 0.00 1253-055 -05 31 07.99572 *-05 47 21.52458 -05 49 33.10318 0.00 * 3C279 From catalog imbedded in main SCHED input file. J1256-05 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.249 scan hours, 10.082 baseline hours above horizon. J1310+3220 13 08 07.560126 * 13 10 28.663845 13 10 48.145566 0.00 1308+326 32 36 40.23888 * 32 20 43.78295 32 18 37.61476 0.00 * J1310+32 From catalog imbedded in main SCHED input file. ICRF - Ext.1 Source - 1998 IERS Annual Report 0.199 scan hours, 7.627 baseline hours above horizon. 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) J1826+18 105.4 J2136+00 63.4 OQ208 140.1 3C279 166.0 J1310+32 135.5 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