POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * 0200+304 02 00 50.425406 * 02 03 44.270692 02 04 53.129113 0.00 30 28 15.15148 * 30 42 37.83666 30 48 22.62092 0.00 From catalog imbedded in main SCHED input file. From Y. Y. Kovalev VLBA Observation J0038-2459 00 35 46.005432 * 00 38 14.735506 00 39 12.803509 0.11 * 0035-252 -25 15 31.50221 *-24 59 02.23526 -24 52 44.30103 0.10 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 1576 observations J0141-0928 01 38 56.858719 * 01 41 25.832151 01 42 24.513495 0.11 * 0138-097 -09 43 51.64871 *-09 28 43.67422 -09 22 54.73430 0.11 J0141-09 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 1625 observations J0259+0747 02 56 46.993364 * 02 59 27.076626 03 00 30.694581 0.10 * 0256+075 07 35 45.23972 * 07 47 39.64286 07 52 16.78490 0.11 J0259+07 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 1799 observations J0348-2749 03 46 34.026314 * 03 48 38.144578 03 49 27.805543 0.12 * 0346-279 -27 58 20.96624 *-27 49 13.56570 -27 45 53.25918 0.10 J0348-27 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 1219 observations J0521+2112 05 18 46.711010 * 05 21 45.965845 05 22 57.911752 0.40 * 0518+211 21 09 58.62250 * 21 12 51.45169 21 13 55.47232 0.60 /package/sched/catalogs/sources.vlba.2012jul GSFC 2011B astro solution 104 Observations J0607+4739 06 03 36.208481 * 06 07 23.254995 06 08 54.682796 0.21 * 0603+476 47 40 10.99364 * 47 39 46.94230 47 39 36.08624 0.20 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 90 observations J0648-1744 06 46 15.632735 * 06 48 28.498577 06 49 22.328654 0.18 * 0646-176 -17 40 39.81930 *-17 44 05.44109 -17 45 37.19322 0.32 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 80 observations J0751+3313 07 48 41.052866 * 07 51 53.673225 07 53 11.239751 0.22 * 0748+333 33 21 03.59706 * 33 13 19.81864 33 10 08.93365 0.38 J0751+33 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 42 observations J0754-1147 07 52 04.917014 * 07 54 26.456429 07 55 23.751396 0.14 * 0752-116 -11 39 21.62255 *-11 47 16.94859 -11 50 33.27211 0.23 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 89 observations J0841+7053 08 36 21.556645 * 08 41 24.365283 08 43 26.785831 0.31 * 0836+710 71 04 22.42740 * 70 53 42.17302 70 49 19.32734 0.10 J0841+70 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 4322 observations J0929+5013 09 25 51.973728 * 09 29 15.440209 09 30 37.381108 0.21 * 0925+504 50 26 44.31058 * 50 13 35.98960 50 08 12.85474 0.17 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 223 observations J1006-2159 10 04 25.498980 * 10 06 46.413679 10 07 43.420061 0.13 * 1004-217 -21 44 40.48796 *-21 59 20.41011 -22 05 10.66980 0.15 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 280 observations J1015+4926 10 11 55.267173 * 10 15 04.139853 10 16 20.109107 0.65 * 1011+496 49 40 56.33574 * 49 26 00.70456 49 19 53.43246 0.60 /package/sched/catalogs/sources.vlba.2012jul GSFC 2011B astro solution 51 Observations J1153+8058 11 50 23.482384 * 11 53 12.499223 11 54 22.031545 0.64 * 1150+812 81 15 10.31174 * 80 58 29.15457 80 51 35.99941 0.10 J1153+80 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 7026 observations J1153-1105 11 50 48.999545 * 11 53 22.313720 11 54 23.715987 0.25 * 1150-108 -10 48 31.01640 *-11 05 12.58506 -11 11 49.84069 0.55 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 72 observations J1245-1616 12 43 16.239103 * 12 45 53.742273 12 46 56.578427 0.12 * 1243-160 -16 00 22.40930 *-16 16 45.70519 -16 23 12.54620 0.12 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 452 observations J1422+3223 14 20 21.232067 * 14 22 30.378957 14 23 21.241250 0.14 * 1420+326 32 36 47.54363 * 32 23 10.44008 32 17 34.89525 0.14 J1422+32 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 573 observations J1543+0452 15 41 04.918508 * 15 43 33.925766 15 44 32.280699 0.28 * 1541+050 05 01 45.71672 * 04 52 19.31973 04 48 32.69594 0.67 /package/sched/catalogs/sources.vlba.2012jul GSFC 2011B astro solution 39 Observations J1624+5652 16 23 32.122191 * 16 24 32.179581 16 24 54.540538 0.78 * 1623+569 56 59 15.28283 * 56 52 28.00113 56 49 32.46101 1.17 /package/sched/catalogs/sources.vlba.2012jul GSFC 2011B astro solution 57 Observations J1642-0621 16 39 21.443871 * 16 42 02.177717 16 43 04.875995 0.10 * 1639-062 -06 15 43.81954 *-06 21 23.69518 -06 23 36.74116 0.10 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 3162 observations J1716+6836 17 16 27.828716 * 17 16 13.938019 17 16 05.842456 0.56 * 1716+686 68 39 48.33832 * 68 36 38.74423 68 35 09.91481 0.32 J1716+68 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 132 observations J1733-1304 17 30 13.535189 * 17 33 02.705787 17 34 08.478601 0.10 * 1730-130 -13 02 45.83993 *-13 04 49.54840 -13 05 35.56803 0.10 J1733-13 /package/sched/catalogs/sources.vlba.2012jul NRAO530 rfc_2012b Petrov, 2012, unpublished 17851 observations J1748+7005 17 49 03.391211 * 17 48 32.840316 17 48 17.547948 0.30 * 1749+701 70 06 39.62684 * 70 05 50.76876 70 05 19.28832 0.10 J1748+70 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 1574 observations J1813+0615 18 11 06.934795 * 18 13 33.411640 18 14 30.081947 0.53 * 1811+062 06 14 48.08463 * 06 15 42.03426 06 16 01.68874 1.07 /package/sched/catalogs/sources.vlba.2012jul GSFC 2011B astro solution 48 Observations J2016+1632 20 13 56.486740 * 20 16 13.860032 20 17 06.713910 0.11 * 2013+163 16 23 17.05356 * 16 32 34.11290 16 36 13.11673 0.11 J2016+16 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 1752 observations J2030-0622 20 27 35.334678 * 20 30 15.139011 20 31 16.848774 0.20 * 2027-065 -06 32 21.28740 *-06 22 14.93389 -06 18 16.75096 0.41 /package/sched/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 72 observations J2033+2146 20 31 19.150367 * 20 33 32.031430 20 34 23.086626 1.27 * 2031+216 21 36 03.99689 * 21 46 22.41005 21 50 26.16985 0.96 /package/sched/catalogs/sources.vlba.2012jul GSFC 2011B astro solution 41 Observations J2123+0535 21 21 14.801996 * 21 23 44.517403 21 24 42.349256 0.29 * 2121+053 05 22 27.44226 * 05 35 22.09306 05 40 26.73929 0.31 J2123+05 /package/sched/catalogs/sources.vlba.2012jul GSFC 2011B astro solution 49217 Observations J2253+1608 22 51 29.519738 * 22 53 57.747937 22 54 55.294099 0.68 3C454.3 15 52 54.34810 * 16 08 53.56093 16 15 12.92917 0.72 * 2251+158 /package/sched/catalogs/sources.vlba.2012jul J2253+16 GSFC 2011B astro solution 39747 Observations