COVER INFORMATION Station: EFLSBERG (Code Ef ) Experiment: Snapshot Ionospheric Testing Observations Exp. Code: N05L3 Schedule Version: 1.02 Processed by SCHED version: 6.01 Release: Late March 2005 PI: James M Anderson Address: Joint Institute for VLBI in Europe Oude Hoogeveensedijk 4 7991 PD Dwingeloo The Netherlands Phone: +31 (0)521 596 542 EMAIL: anderson@jive.nl Fax: +31 (0)521 596 539 Phone during observation: +31 (0)521 596 500 Observing mode: Snapshot observations of sources at 18cm (256 Mb/s) Notes: ALBUS Ionospheric modeling test observations Phase referencing is too fast for JODRELL1 All targets are strong Schedule for EFLSBERG (Code Ef ) Page 2 Snapshot Ionospheric Testing Observations 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). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 6 Jun 2005 Day 157 --- Next scan frequencies: 1637.99 1637.99 1645.99 1645.99 1653.99 1653.99 1661.99 1661.99 Next BBC frequencies: 127.99 127.99 135.99 135.99 143.99 143.99 151.99 151.99 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 23 00 00 J1323+7942 16 29 20 56.9 346.3 3.1 122.6 0 1 1 0 23 00 00 23 02 00 =1323+799 16 31 21 56.9 346.2 3.1 122.0 120 F 1 0 23 02 00 J1139+7654 16 31 21 52.6 339.1 4.9 90.8 -47 1 1 0 23 02 00 23 04 00 =1136+771 16 33 21 52.5 339.1 4.9 90.3 73 F 1 0 23 04 00 J1323+7942 16 33 21 56.8 346.1 3.2 121.4 -47 1 1 0 23 04 00 23 06 00 =1323+799 16 35 21 56.7 346.0 3.2 120.9 73 F 1 0 23 06 00 J1139+7654 16 35 21 52.4 339.1 4.9 89.8 -46 1 1 0 23 06 00 23 08 00 =1136+771 16 37 22 52.3 339.1 5.0 89.3 74 F 1 0 23 08 00 J1323+7942 16 37 22 56.6 345.9 3.2 120.3 -46 1 1 0 23 08 00 23 10 00 =1323+799 16 39 22 56.5 345.9 3.3 119.7 74 F 1 0 23 10 00 J1139+7654 16 39 22 52.2 339.1 5.0 88.8 -46 1 1 0 23 10 00 23 12 00 =1136+771 16 41 22 52.0 339.1 5.0 88.3 74 F 1 0 23 13 00 J1323+7942 16 42 22 56.4 345.7 3.3 118.9 14 1 1 0 23 13 00 23 14 00 =1323+799 16 43 23 56.4 345.7 3.3 118.6 60 F 1 0 23 14 00 J1406+7828 16 43 23 58.8 345.9 2.6 129.3 -31 1 1 0 23 14 00 23 15 40 =1406+787 16 45 03 58.7 345.8 2.6 128.8 69 F 1 0 23 15 40 J1323+7942 16 45 03 56.3 345.6 3.4 118.2 -31 1 1 0 23 15 40 23 17 20 =1323+799 16 46 43 56.3 345.6 3.4 117.7 69 F 1 0 23 17 20 J1406+7828 16 46 43 58.6 345.7 2.7 128.3 -31 1 1 0 23 17 20 23 19 00 =1406+787 16 48 23 58.6 345.6 2.7 127.8 69 F 1 0 23 19 00 J1323+7942 16 48 23 56.2 345.5 3.4 117.2 -31 1 1 0 23 19 00 23 20 40 =1323+799 16 50 04 56.1 345.4 3.4 116.8 69 F 1 0 23 20 40 J1406+7828 16 50 04 58.5 345.5 2.7 127.3 -31 1 1 0 23 20 40 23 22 20 =1406+787 16 51 44 58.4 345.4 2.8 126.8 69 F 1 0 Schedule for EFLSBERG (Code Ef ) Page 3 Snapshot Ionospheric Testing Observations 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). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 6 Jun 2005 Day 157 --- 23 22 20 J1323+7942 16 51 44 56.1 345.4 3.5 116.3 -31 1 1 0 23 22 20 23 24 00 =1323+799 16 53 24 56.0 345.3 3.5 115.9 69 F 1 0 23 24 00 J1357+7643 16 53 24 58.9 342.0 2.9 121.4 -35 1 1 0 23 24 00 23 25 40 =1357+769 16 55 05 58.9 341.9 3.0 120.9 65 F 1 0 23 25 40 J1323+7942 16 55 05 55.9 345.3 3.5 115.4 -35 1 1 0 23 25 40 23 27 20 =1323+799 16 56 45 55.9 345.2 3.5 114.9 65 F 1 0 23 27 20 J1357+7643 16 56 45 58.8 341.8 3.0 120.4 -35 1 1 0 23 27 20 23 29 00 =1357+769 16 58 25 58.7 341.7 3.0 119.9 65 F 1 0 23 29 00 J1323+7942 16 58 25 55.8 345.2 3.6 114.5 -35 1 1 0 23 29 00 23 30 40 =1323+799 17 00 05 55.7 345.1 3.6 114.0 65 F 1 0 23 30 40 J1357+7643 17 00 05 58.6 341.6 3.0 119.4 -35 1 1 0 23 30 40 23 32 20 =1357+769 17 01 46 58.5 341.5 3.1 119.0 65 F 1 0 23 32 20 J1323+7942 17 01 46 55.7 345.0 3.6 113.6 -35 1 1 0 23 32 20 23 34 00 =1323+799 17 03 26 55.6 345.0 3.7 113.1 65 F 1 0 23 40 00 J1745+1720 17 09 27 56.0 164.3 -0.6 -10.4 -208 1 1 0 23 40 00 23 44 00 =1743+173 17 13 28 56.2 166.0 -0.5 -9.3 32 F 1 0 23 44 00 J1752+1734 17 13 28 56.1 162.9 -0.7 -11.3 -34 1 1 0 23 44 00 23 45 40 =1750+175 17 15 08 56.2 163.6 -0.6 -10.8 66 F 1 0 23 45 40 J1745+1720 17 15 08 56.2 166.7 -0.5 -8.8 -34 1 1 0 23 45 40 23 47 20 =1743+173 17 16 48 56.3 167.4 -0.5 -8.3 66 F 1 0 23 47 20 J1752+1734 17 16 48 56.3 164.3 -0.6 -10.4 -34 1 1 0 23 47 20 23 49 00 =1750+175 17 18 28 56.3 165.0 -0.6 -9.9 66 F 1 0 23 49 00 J1745+1720 17 18 28 56.4 168.2 -0.5 -7.9 -34 1 1 0 23 49 00 23 50 40 =1743+173 17 20 09 56.4 168.9 -0.4 -7.4 66 F 1 0 23 50 40 J1752+1734 17 20 09 56.4 165.7 -0.5 -9.5 -34 1 1 0 23 50 40 23 52 20 =1750+175 17 21 49 56.5 166.5 -0.5 -9.0 66 F 1 0 23 53 20 J1745+1720 17 22 49 56.5 170.0 -0.4 -6.6 24 1 1 0 23 53 20 23 54 00 =1743+173 17 23 29 56.5 170.3 -0.4 -6.4 40 F 1 0 23 54 00 J1756+1535 17 23 29 54.4 166.0 -0.6 -9.2 -38 1 1 0 23 54 00 23 55 40 --- 17 25 09 54.5 166.7 -0.5 -8.8 62 F 1 0 Schedule for EFLSBERG (Code Ef ) Page 4 Snapshot Ionospheric Testing Observations 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). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 6 Jun 2005 Day 157 --- 23 55 40 J1745+1720 17 25 09 56.5 171.0 -0.3 -6.0 -39 1 1 0 23 55 40 23 57 20 =1743+173 17 26 50 56.6 171.7 -0.3 -5.5 61 F 1 0 23 57 20 J1756+1535 17 26 50 54.5 167.4 -0.5 -8.3 -39 1 1 0 23 57 20 23 59 00 --- 17 28 30 54.6 168.0 -0.5 -7.9 61 F 1 0 --- Start: Mon 6 Jun 2005 Day 157 -- Stop: Tue 7 Jun 2005 Day 158 --- 23 59 00 J1745+1720 17 28 30 56.6 172.5 -0.3 -5.0 -39 1 1 0 23 59 00 00 00 40 =1743+173 17 30 10 56.7 173.2 -0.3 -4.5 61 F 1 0 00 00 40 J1756+1535 17 30 10 54.6 168.7 -0.4 -7.4 -39 1 1 0 00 00 40 00 02 20 --- 17 31 51 54.7 169.4 -0.4 -7.0 61 F 1 0 00 02 20 J1745+1720 17 31 51 56.7 173.9 -0.2 -4.1 -39 1 1 0 00 02 20 00 04 00 =1743+173 17 33 31 56.7 174.6 -0.2 -3.6 61 F 1 0 00 04 00 J1719+1745 17 33 31 57.1 186.2 0.2 4.1 -60 1 1 0 00 04 00 00 05 40 =1717+178 17 35 11 57.1 186.9 0.3 4.6 40 F 1 0 00 05 40 J1745+1720 17 35 11 56.7 175.4 -0.2 -3.1 -60 1 1 0 00 05 40 00 07 20 =1743+173 17 36 51 56.8 176.1 -0.1 -2.6 40 F 1 0 00 07 20 J1719+1745 17 36 51 57.0 187.6 0.3 5.1 -60 1 1 0 00 07 20 00 09 00 =1717+178 17 38 32 57.0 188.3 0.3 5.6 40 F 1 0 00 09 00 J1745+1720 17 38 32 56.8 176.8 -0.1 -2.1 -60 1 1 0 00 09 00 00 10 40 =1743+173 17 40 12 56.8 177.5 -0.1 -1.6 40 F 1 0 00 10 40 J1719+1745 17 40 12 57.0 189.1 0.3 6.0 -60 1 1 0 00 10 40 00 12 20 =1717+178 17 41 52 56.9 189.8 0.4 6.5 40 F 1 0 00 12 20 J1745+1720 17 41 52 56.8 178.3 -0.1 -1.2 -60 1 1 0 00 12 20 00 14 00 =1743+173 17 43 32 56.8 179.0 0.0 -0.7 40 F 1 0 00 17 00 J2148+0657 17 46 33 23.9 109.2 -4.0 -37.2 -55 1 1 0 00 17 00 00 26 00 =2145+067 17 55 34 25.2 111.2 -3.9 -36.7 485 F 1 0 00 29 00 J2129-1538 17 58 35 9.4 129.0 -3.5 H -30.8 95 1 1 0 00 29 00 00 30 00 =2126-158 17 59 35 9.5 129.2 -3.5 H -30.7 0 F 1 0 00 31 40 J2129-1538 18 01 15 9.7 129.6 -3.5 H -30.6 83 1 1 0 00 31 40 00 33 20 =2126-158 18 02 56 9.9 129.9 -3.4 H -30.4 0 F 1 0 Schedule for EFLSBERG (Code Ef ) Page 5 Snapshot Ionospheric Testing Observations 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). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Tue 7 Jun 2005 Day 158 --- 00 35 00 J2129-1538 18 04 36 10.1 130.3 -3.4 H -30.2 83 1 1 0 00 35 00 00 36 40 =2126-158 18 06 16 10.3 130.7 -3.4 H -30.1 0 F 1 0 00 38 20 J2129-1538 18 07 56 10.5 131.0 -3.4 H -29.9 83 1 1 0 00 38 20 00 40 00 =2126-158 18 09 37 10.7 131.4 -3.3 H -29.7 0 F 1 0 00 40 00 J2130-0927 18 09 37 15.9 127.9 -3.3 -30.6 -42 1 1 0 00 40 00 00 41 40 =2127-096 18 11 17 16.1 128.3 -3.3 -30.4 58 F 1 0 00 41 40 J2129-1538 18 11 17 10.9 131.7 -3.3 -29.5 -42 1 1 0 00 41 40 00 43 20 =2126-158 18 12 57 11.1 132.1 -3.3 -29.3 58 F 1 0 00 43 20 J2130-0927 18 12 57 16.3 128.7 -3.3 -30.2 -42 1 1 0 00 43 20 00 45 00 =2127-096 18 14 38 16.6 129.0 -3.3 -30.0 58 F 1 0 00 45 00 J2129-1538 18 14 38 11.3 132.4 -3.2 -29.2 -42 1 1 0 00 45 00 00 46 40 =2126-158 18 16 18 11.5 132.8 -3.2 -29.0 58 F 1 0 00 46 40 J2130-0927 18 16 18 16.8 129.4 -3.2 -29.9 -43 1 1 0 00 46 40 00 48 20 =2127-096 18 17 58 17.0 129.8 -3.2 -29.7 57 F 1 0 00 49 20 J2129-1538 18 18 58 11.8 133.4 -3.2 -28.7 18 1 1 0 00 49 20 00 50 00 =2126-158 18 19 38 11.9 133.5 -3.2 -28.6 40 F 1 0 00 50 00 J2131-1207 18 19 38 14.7 131.2 -3.2 -29.3 -33 1 1 0 00 50 00 00 51 40 =2128-123 18 21 19 14.9 131.6 -3.2 -29.1 67 F 1 0 00 51 40 J2129-1538 18 21 19 12.1 133.9 -3.1 -28.4 -33 1 1 0 00 51 40 00 53 20 =2126-158 18 22 59 12.3 134.2 -3.1 -28.2 67 F 1 0 00 53 20 J2131-1207 18 22 59 15.1 132.0 -3.1 -28.9 -33 1 1 0 00 53 20 00 55 00 =2128-123 18 24 39 15.3 132.3 -3.1 -28.7 67 F 1 0 00 55 00 J2129-1538 18 24 39 12.5 134.6 -3.1 -28.0 -33 1 1 0 00 55 00 00 56 40 =2126-158 18 26 19 12.7 135.0 -3.1 -27.8 67 F 1 0 00 56 40 J2131-1207 18 26 19 15.5 132.7 -3.1 -28.5 -33 1 1 0 00 56 40 00 58 20 =2128-123 18 28 00 15.7 133.1 -3.1 -28.3 67 F 1 0 00 58 20 J2129-1538 18 28 00 12.8 135.3 -3.0 -27.7 -33 1 1 0 00 58 20 01 00 00 =2126-158 18 29 40 13.0 135.7 -3.0 -27.5 67 F 1 0 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: eo999.18cm Matches group ef18cm in /aps3/sched/catalogs/freq.dat Prime focus receiver, standard LO Graham 26/1/00 Setup group: 3 Station: EFLSBERG Total bit rate: 256 Format: MKIV1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 1.00 1st LO= 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 4 3 6 5 8 7 BBC SB= U U U U U U U U IF = 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 3 Setup file default. No pcal detection. LO sum= 1637.99 1637.99 1645.99 1645.99 1653.99 1653.99 1661.99 1661.99 BBC fr= 127.99 127.99 135.99 135.99 143.99 143.99 151.99 151.99 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_off SOURCE LIST -- Snapshot Ionospheric Testing Observations 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) * J1139+7654 11 36 50.402483 * 11 39 51.538717 11 40 13.600280 1.47 1136+771 77 11 09.68453 * 76 54 32.34642 76 53 06.06924 0.65 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.100 scan hours, 1.894 baseline hours above horizon. * J1323+7942 13 23 30.967861 * 13 23 51.569831 13 24 00.836917 2.82 1323+799 79 58 27.57995 * 79 42 51.84705 79 41 25.76771 0.44 J1323+79 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.283 scan hours, 8.751 baseline hours above horizon. * J1357+7643 13 57 42.117003 * 13 57 55.371534 13 58 02.806741 0.87 1357+769 76 57 53.35424 * 76 43 21.05104 76 41 58.55255 0.40 J1357+76 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.083 scan hours, 2.185 baseline hours above horizon. * J1406+7828 14 06 56.652670 * 14 06 36.566944 14 06 41.585608 3.71 1406+787 78 42 22.78156 * 78 28 10.40623 78 26 49.33489 0.63 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.083 scan hours, 2.161 baseline hours above horizon. * J1719+1745 17 17 00.324732 * 17 19 13.048481 17 19 28.559864 0.32 1717+178 17 48 08.51599 * 17 45 06.43721 17 44 37.64380 0.22 J1719+17 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.083 scan hours, 1.739 baseline hours above horizon. * J1745+1720 17 43 22.235899 * 17 45 35.208167 17 45 50.704699 0.32 1743+173 17 21 09.18647 * 17 20 01.42378 17 19 43.97628 0.22 J1745+17 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.300 scan hours, 8.450 baseline hours above horizon. * J1752+1734 17 50 33.364387 * 17 52 46.002901 17 53 01.452521 0.39 1750+175 17 34 56.75224 * 17 34 20.35018 17 34 06.02002 0.56 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.083 scan hours, 2.350 baseline hours above horizon. * J1756+1535 17 54 37.953509 * 17 56 53.102132 17 57 08.795390 0.32 15 35 39.32316 * 15 35 20.82657 15 35 08.41956 0.24 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.083 scan hours, 2.232 baseline hours above horizon. * J2129-1538 21 26 26.777538 * 21 29 12.175905 21 29 30.394943 0.21 2126-158 -15 51 50.34727 *-15 38 41.04110 -15 37 18.72623 0.30 J2129-15 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.250 scan hours, 9.451 baseline hours above horizon. * J2129-1821 21 26 33.897232 * 21 29 21.419113 21 29 39.890466 0.27 2126-185 -18 34 32.47350 *-18 21 22.79035 -18 19 59.57129 0.49 J2129-18 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.083 scan hours, 2.231 baseline hours above horizon. * J2130-0927 21 27 38.408364 * 21 30 19.088248 21 30 36.744372 0.23 2127-096 -09 40 49.81991 *-09 27 37.43511 -09 26 16.73888 0.37 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.083 scan hours, 2.505 baseline hours above horizon. * J2131-1207 21 28 52.676063 * 21 31 35.261755 21 31 53.136782 0.21 2128-123 -12 20 20.53564 *-12 07 04.79603 -12 05 42.84703 0.30 J2131-12 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.083 scan hours, 2.844 baseline hours above horizon. * J2148+0657 21 45 36.078475 * 21 48 05.458673 21 48 21.701858 0.30 2145+067 06 43 40.90460 * 06 57 38.60420 06 58 59.23842 0.20 J2148+06 /aps3/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.150 scan hours, 7.749 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) J1139+7654 70.1 J1323+7942 73.5 J1357+7643 76.8 J1406+7828 75.8 J1719+1745 139.3 J1745+1720 138.4 J1752+1734 137.7 J1756+1535 139.3 J2129-1538 116.6 J2129-1821 117.4 J2130-0927 114.3 J2131-1207 115.0 J2148+0657 103.7 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