COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: Rotation measure imaging of high z quasar J1028-08 Exp. Code: BY019A Schedule Version: 1.00 Processed by SCHED version: 6.01 Release: Late March 2005 PI: Greg Taylor Address: KIPAC 974 Cottrell Way, Stanford CA 94305 Phone: (505) 838 7411 (work); (650) 493 0097 (home) EMAIL: gtaylor@nrao.edu Fax: (505) 835 7027 Phone during observation: (505) 838 7411 Observing mode: VLBA 256-8-2 at 2cm and 6cm Notes: Fringe finder and EVPA cal #1: 3C279 Pol. EVPA cal #2: J1159+29 Pol. EVPA cal #3: J1310+3220 Pol. D-term cal: OQ208 Schedule for VLBA_MK (Code Mk ) Page 2 Rotation measure imaging of high z quasar J1028-08 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Fri 1 Apr 2005 Day 91 --- Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 01 34 24 J0854+2006 03 50 39 19.2 74.9 -5.1 -75.2 0 1 1 0 01 34 24 01 36 24 =0851+202 03 52 39 19.6 75.0 -5.0 -75.4 120 F 1 1596 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 01 36 24 J0854+2006 03 52 39 19.6 75.0 -5.0 -75.4 -4 1 1 1596 01 36 24 01 38 24 =0851+202 03 54 39 20.1 75.1 -5.0 -75.5 116 F 1 3191 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 02 28 15 J1028-08 04 44 39 0.7 99.6 -5.7 D -69.8 2950 1 1 3191 02 28 15 02 38 14 --- 04 54 39 3.0 100.4 -5.6 -69.4 0 F 1 11169 02 47 32 J0854+2006 05 03 59 36.0 79.1 -3.9 -79.6 487 1 1 11169 02 47 32 02 49 32 =0851+202 05 05 59 36.4 79.2 -3.8 -79.7 120 F 1 12765 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 02 49 32 J0854+2006 05 05 59 36.4 79.2 -3.8 -79.7 -4 1 1 12765 02 49 32 02 51 32 =0851+202 05 07 59 36.9 79.3 -3.8 -79.8 116 F 1 14361 02 51 32 J1028-08 05 07 59 6.1 101.6 -5.3 -68.8 -68 1 2 14361 02 51 32 03 01 30 --- 05 17 59 8.4 102.5 -5.2 -68.3 531 R 1 12861 Schedule for VLBA_MK (Code Mk ) Page 3 Rotation measure imaging of high z quasar J1028-08 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Fri 1 Apr 2005 Day 91 --- Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 03 01 30 J1028-08 05 17 59 8.4 102.5 -5.2 -68.3 -4 1 2 12861 03 01 30 03 11 28 --- 05 27 59 10.7 103.5 -5.0 -67.8 594 R 1 4883 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 03 11 28 J1028-08 05 27 59 10.7 103.5 -5.0 -67.8 -4 1 3 4883 03 11 28 03 21 27 --- 05 37 59 13.0 104.4 -4.8 -67.2 594 F 1 3095 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 03 21 27 J1028-08 05 37 59 13.0 104.4 -4.8 -67.2 -4 1 3 3095 03 21 27 03 31 25 --- 05 47 59 15.2 105.4 -4.7 -66.6 594 F 1 11073 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 03 31 25 J1028-08 05 47 59 15.2 105.4 -4.7 -66.6 -4 1 4 11073 03 31 25 03 41 23 --- 05 57 59 17.5 106.5 -4.5 -65.9 594 R 1 16149 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 03 41 23 J1028-08 05 57 59 17.5 106.5 -4.5 -65.9 -4 1 4 16149 03 41 23 03 51 22 --- 06 07 59 19.7 107.5 -4.3 -65.2 594 R 1 8170 Schedule for VLBA_MK (Code Mk ) Page 4 Rotation measure imaging of high z quasar J1028-08 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Fri 1 Apr 2005 Day 91 --- Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 03 57 21 J1028-08 06 13 59 21.1 108.2 -4.2 -64.7 350 1 4 8170 03 57 21 04 07 19 --- 06 23 59 23.3 109.4 -4.1 -63.9 598 R 1 192 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 04 07 19 J1028-08 06 23 59 23.3 109.4 -4.1 -63.9 -4 1 5 192 04 07 19 04 17 17 --- 06 33 59 25.5 110.6 -3.9 -63.0 594 F 1 8170 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 04 17 17 J1028-08 06 33 59 25.5 110.6 -3.9 -63.0 -4 1 5 8170 04 17 17 04 27 16 --- 06 43 59 27.7 111.9 -3.7 -62.1 594 F 1 16149 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 04 27 16 J1028-08 06 43 59 27.7 111.9 -3.7 -62.1 -4 1 6 16149 04 27 16 04 37 14 --- 06 53 59 29.9 113.2 -3.6 -61.0 594 R 1 11073 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 04 37 14 J1028-08 06 53 59 29.9 113.2 -3.6 -61.0 -4 1 6 11073 04 37 14 04 47 13 --- 07 03 59 32.0 114.6 -3.4 -59.9 594 R 1 3095 Schedule for VLBA_MK (Code Mk ) Page 5 Rotation measure imaging of high z quasar J1028-08 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Fri 1 Apr 2005 Day 91 --- Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 04 47 13 J1028-08 07 03 59 32.0 114.6 -3.4 -59.9 -4 1 7 3095 04 47 13 04 57 11 --- 07 13 59 34.2 116.1 -3.2 -58.7 594 F 1 4883 04 59 11 J1310+3220 07 15 59 11.5 59.6 -5.9 -73.7 68 1 7 4883 04 59 11 05 01 10 =1308+326 07 17 59 11.9 59.7 -5.9 -74.0 120 F 1 6479 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 05 01 10 J1310+3220 07 17 59 11.9 59.7 -5.9 -74.0 -4 1 7 6479 05 01 10 05 03 10 =1308+326 07 19 59 12.3 59.8 -5.8 -74.2 116 F 1 8074 05 07 09 J1028-08 07 23 59 36.3 117.7 -3.1 -57.4 185 1 7 8074 05 07 09 05 17 08 --- 07 33 59 38.3 119.4 -2.9 -56.0 598 F 1 16052 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 05 17 08 J1028-08 07 33 59 38.3 119.4 -2.9 -56.0 -4 1 8 16052 05 17 08 05 27 06 --- 07 43 59 40.4 121.2 -2.7 -54.5 594 R 1 11169 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 05 27 06 J1028-08 07 43 59 40.4 121.2 -2.7 -54.5 -4 1 8 11169 05 27 06 05 37 04 --- 07 53 59 42.4 123.2 -2.6 -52.8 594 R 1 3191 Schedule for VLBA_MK (Code Mk ) Page 6 Rotation measure imaging of high z quasar J1028-08 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Fri 1 Apr 2005 Day 91 --- Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 05 37 04 J1028-08 07 53 59 42.4 123.2 -2.6 -52.8 -4 1 9 3191 05 37 04 05 47 03 --- 08 03 59 44.3 125.3 -2.4 -51.0 594 F 1 4787 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 05 47 03 J1028-08 08 03 59 44.3 125.3 -2.4 -51.0 -4 1 9 4787 05 47 03 05 57 01 --- 08 13 59 46.2 127.6 -2.2 -49.0 594 F 1 12765 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 05 57 01 J1028-08 08 13 59 46.2 127.6 -2.2 -49.0 -4 1 10 12765 05 57 01 06 06 59 --- 08 23 59 48.0 130.0 -2.1 -46.8 594 R 1 14457 06 07 59 OQ208 08 24 59 13.0 64.1 -5.7 -74.3 -16 1 10 14457 06 07 59 06 09 59 --- 08 26 59 13.4 64.3 -5.7 -74.5 103 R 1 12861 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 06 09 59 OQ208 08 26 59 13.4 64.3 -5.7 -74.5 -4 1 10 12861 06 09 59 06 12 58 --- 08 29 59 14.1 64.4 -5.6 -74.8 176 R 1 10468 06 12 58 J1028-08 08 29 59 49.1 131.5 -2.0 -45.4 -76 1 10 10468 06 12 58 06 22 57 --- 08 39 59 50.8 134.3 -1.8 -43.0 522 R 1 2490 Schedule for VLBA_MK (Code Mk ) Page 7 Rotation measure imaging of high z quasar J1028-08 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Fri 1 Apr 2005 Day 91 --- Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 06 22 57 J1028-08 08 39 59 50.8 134.3 -1.8 -43.0 -4 1 11 2490 06 22 57 06 32 55 --- 08 49 59 52.5 137.3 -1.6 -40.2 594 F 1 5489 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 06 32 55 J1028-08 08 49 59 52.5 137.3 -1.6 -40.2 -4 1 11 5489 06 32 55 06 42 54 --- 08 59 59 54.0 140.5 -1.5 -37.3 594 F 1 13467 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 06 42 54 J1028-08 08 59 59 54.0 140.5 -1.5 -37.3 -4 1 12 13467 06 42 54 06 52 52 --- 09 09 59 55.4 144.0 -1.3 -34.1 594 R 1 13755 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 06 52 52 J1028-08 09 09 59 55.4 144.0 -1.3 -34.1 -4 1 12 13755 06 52 52 07 02 50 --- 09 19 59 56.8 147.7 -1.1 -30.6 594 R 1 5777 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 07 02 50 J1028-08 09 19 59 56.8 147.7 -1.1 -30.6 -4 1 13 5777 07 02 50 07 12 49 --- 09 29 59 58.0 151.7 -1.0 -26.8 594 F 1 2201 07 12 49 3C279 09 29 59 33.1 111.3 -3.4 -61.8 -56 1 13 2201 07 12 49 07 16 48 --- 09 33 59 34.0 111.9 -3.4 -61.3 184 F 1 5392 Schedule for VLBA_MK (Code Mk ) Page 8 Rotation measure imaging of high z quasar J1028-08 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Fri 1 Apr 2005 Day 91 --- Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 07 16 48 3C279 09 33 59 34.0 111.9 -3.4 -61.3 -4 1 13 5392 07 16 48 07 20 47 --- 09 37 59 34.9 112.5 -3.3 -60.9 235 F 1 8584 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 07 22 47 J1310+3220 09 39 59 41.5 63.9 -3.5 -91.4 81 1 13 8584 07 22 47 07 24 47 =1308+326 09 41 59 42.0 63.9 -3.5 -91.7 120 F 1 10179 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 07 24 47 J1310+3220 09 41 59 42.0 63.9 -3.5 -91.7 -4 1 13 10179 07 24 47 07 26 46 =1308+326 09 43 59 42.4 63.9 -3.4 -92.0 116 F 1 11775 07 26 46 J1028-08 09 43 59 59.4 157.8 -0.7 -21.1 -69 1 14 11775 07 26 46 07 35 45 --- 09 52 59 60.1 162.0 -0.6 -17.1 470 R 1 16245 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 07 35 45 J1028-08 09 52 59 60.1 162.0 -0.6 -17.1 -4 1 14 16245 07 35 45 07 44 43 --- 10 01 59 60.7 166.3 -0.4 -13.0 535 R 1 9064 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 07 44 43 J1028-08 10 01 59 60.7 166.3 -0.4 -13.0 -4 1 14 9064 07 44 43 07 53 42 --- 10 10 59 61.1 170.8 -0.3 -8.7 535 R 1 1884 Schedule for VLBA_MK (Code Mk ) Page 9 Rotation measure imaging of high z quasar J1028-08 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Fri 1 Apr 2005 Day 91 --- ----------- Tape Change ------------ Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 07 53 42 J1028-08 10 10 59 61.1 170.8 -0.3 -8.7 -4 2 1 1884 07 53 42 08 02 40 --- 10 19 59 61.3 175.4 -0.1 -4.4 535 F 1 5296 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 08 02 40 J1028-08 10 19 59 61.3 175.4 -0.1 -4.4 -4 2 1 5296 08 02 40 08 11 39 --- 10 28 59 61.4 180.0 0.0 0.0 535 F 1 12477 Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 08 11 39 J1028-08 10 28 59 61.4 180.0 0.0 0.0 -4 2 2 12477 08 11 39 08 20 37 --- 10 37 59 61.3 184.7 0.2 4.5 535 R 1 15543 08 21 37 OQ208 10 38 59 42.1 69.1 -3.5 -88.3 -23 2 2 15543 08 21 37 08 23 37 --- 10 40 59 42.5 69.1 -3.4 -88.5 96 R 1 13947 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 08 23 37 OQ208 10 40 59 42.5 69.1 -3.4 -88.5 -4 2 2 13947 08 23 37 08 26 36 --- 10 43 59 43.2 69.1 -3.4 -88.8 176 R 1 11554 Schedule for VLBA_MK (Code Mk ) Page 10 Rotation measure imaging of high z quasar J1028-08 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Fri 1 Apr 2005 Day 91 --- Next scan frequencies: 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 Next BBC frequencies: 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 08 26 36 3C279 10 43 59 48.6 124.8 -2.2 -51.0 -43 2 2 11554 08 26 36 08 30 36 --- 10 47 59 49.3 125.8 -2.1 -50.1 196 R 1 8363 Next scan frequencies: 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 Next BBC frequencies: 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 08 30 36 3C279 10 47 59 49.3 125.8 -2.1 -50.1 -4 2 2 8363 08 30 36 08 34 35 --- 10 51 59 50.1 126.7 -2.1 -49.3 235 R 1 5171 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: 10 Station: VLBA_MK 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 speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 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: 10 Setup file default. Used pcal sets: 1 LO sum= 4605.49 4605.49 4675.49 4675.49 4990.49 4990.49 5091.49 5091.49 BBC fr= 505.49 505.49 575.49 575.49 890.49 890.49 991.49 991.49 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: rm2cmv.set Matches group v2cm_d2 in /home/filehost/cwalker/sched/catalogs/freq.dat Fourth 2cm filter Setup group: 20 Station: VLBA_MK 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 speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 14400.00 14400.00 14400.00 14400.00 14400.00 14400.00 14400.00 14400.00 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 2cm omit 2cm VLBA Synth= 14.4 10.9 10.9 The following frequency sets based on this setup were used. Frequency Set: 20 Setup file default. Used pcal sets: 1 LO sum= 14902.49 14902.49 14968.49 14968.49 15265.49 15265.49 15364.49 15364.49 BBC fr= 502.49 502.49 568.49 568.49 865.49 865.49 964.49 964.49 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 SOURCE LIST -- Rotation measure imaging of high z quasar J1028-08 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) J1407+2827 14 04 45.615151 * 14 07 00.394410 14 07 15.756243 0.00 1404+286 28 41 29.23495 * 28 27 14.68998 28 25 32.88575 0.00 J1407+28 From catalog imbedded in main SCHED input file. * OQ208 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.399 scan hours, 13.379 baseline hours above horizon. J1256-0547 12 53 35.831293 * 12 56 11.166560 12 56 28.238861 0.00 1253-055 -05 31 07.99572 *-05 47 21.52458 -05 49 10.80735 0.00 * 3C279 From catalog imbedded in main SCHED input file. J1256-05 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.266 scan hours, 10.246 baseline hours above horizon. * J0854+2006 08 51 57.250612 * 08 54 48.874924 08 55 07.243127 0.00 0851+202 20 17 58.41743 * 20 06 30.64088 20 05 24.16751 0.00 J0854+20 From catalog imbedded in main SCHED input file. OJ287 ICRF - Ext.1 Source - 1998 IERS Annual Report 0.133 scan hours, 5.431 baseline hours above horizon. * J1310+3220 13 08 07.560126 * 13 10 28.663845 13 10 44.885188 0.00 1308+326 32 36 40.23888 * 32 20 43.78295 32 18 55.71669 0.00 J1310+32 From catalog imbedded in main SCHED input file. ICRF - Ext.1 Source - 1998 IERS Annual Report 0.133 scan hours, 5.884 baseline hours above horizon. * J1028-08 10 26 09.023648 * 10 28 38.796000 10 28 55.057402 0.00 -08 29 17.14478 *-08 44 38.59300 -08 46 19.06510 0.00 From catalog imbedded in main SCHED input file. ICRF - 2 GHz map footer 5.884 scan hours, 233.746 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) OQ208 141.2 3C279 176.3 J0854+2006 119.0 J1310+3220 142.5 J1028-08 146.6 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