Table 1
Log of the new VLBA observations in X and U bands.
| Date | Fringe | Name | Phase | RAcore(J2000) | Deccore(J2000) |
| mm/dd/yy | finder | calibrator | h m s | d m s | |
|
|
|||||
| 11/15/2011 (X) | 4C 39.25 | J0751+1730 | – | 07 51 25.08 | +17 30 51.1 |
| 10/10/2011 (U) | J0751+2913 | – | 07 51 09.57 | +29 13 35.5 | |
| J0753+2921 | J0746+2734 | 07 53 24.61 | +29 21 21.9 | ||
| J0810+4911 | J0808+4950 | 08 10 54.60 | +49 11 03.7 | ||
| J0903+4055* | J0904+4238 | 09 03 14.707 | +40 55 59.85 | ||
| J1012+3932 | J1023+3048 | 10 12 58.37 | +39 32 39.0 | ||
| J1022+5124 | J1041+523A | 10 22 12.62 | +51 24 00.3 | ||
|
|
|||||
| 09/01/2010 | 3C 345 (X) | J1058+5628 | – | 10 58 37.73 | +56 28 11.2 |
| 4C 39.25 (U) | J1145-0340 | J1136-0330 | 11 45 35.11 | –03 40 01.7 | |
| J1156+4238* | J1146+3958 | 11 56 46.563 | +42 38 07.50 | ||
| J1215+0732* | J1222+0413 (U) | 12 15 10.977 | +07 32 04.67 | ||
| J1221+2813 | – | 12 21 31.69 | +28 13 58.5 | ||
|
|
|||||
| 08/29/2011 | 3C 345 | J1231+6414 | – | 12 31 31.40 | +64 14 18.3 |
| J1257+2412 | J1321+2216 | 12 57 31.93 | +24 12 40.1 | ||
| J1427+3908 | J1419+3821 | 14 27 45.92 | +39 08 32.3 | ||
| J1510+3335 | J1522+3144 | 15 10 41.18 | +33 35 04.5 | ||
| J1534+3715 | J1522+3144 | 15 34 47.21 | +37 15 54.6 | ||
| J1604+3345 | J1613+3412 | 16 04 46.52 | +33 45 21.8 | ||
| J1647+2909 | – | 16 47 26.88 | +29 09 49.6 | ||
|
|
|||||
| 02/25/2010 | 4C 39.25 | J0809+5218 | – | 08 09 49.19 | +52 18 58.2 |
| J0916+5238 | – | 09 16 51.94 | +52 38 28.5 | ||
| J0930+4950* | J0937+5008 | 09 30 37.574 | +49 50 25.55 | ||
| J1053+4929 | – | 10 53 44.10 | +49 29 55.9 | ||
| J1120+4212* | J1126+4516 | 11 20 48.062 | +42 12 12.46 | ||
| J1136+6737* | J1143+6633 | 11 36 30.086 | +67 37 04.34 | ||
| J1217+3007 | – | 12 17 52.08 | +30 07 00.5 | ||
| J1221+3010 | – | 12 21 21.94 | +30 10 37.1 | ||
| J1419+5423 | – | 14 19 46.60 | +54 23 14.8 | ||
| J1427+5409* | J1429+5406 | 14 27 30.279 | +54 09 23.71 | ||
| J1436+5639* | J1429+5406 | 14 36 57.719 | +56 39 24.86 | ||
|
|
|||||
| 10/17/2009 | 3C 345 | J0754+3910 | – | 07 54 37.08 | +39 10 47.6 |
| J0809+3455 | – | 08 09 38.87 | +34 55 37.1 | ||
| J0847+1133 | J0851+0845 (U) | 08 47 12.94 | +11 33 50.1 | ||
| J0850+3455 | J0850+3747 (U) | 08 50 36.18 | +34 55 22.8 | ||
| J1201-0007 | – | 12 01 06.22 | –00 07 01.8 | ||
| J1201-0011 | J1201+0028 | 12 01 43.66 | –00 11 14.0 | ||
| J1221+0821 | – | 12 21 32.06 | +08 21 44.1 | ||
| J1253+0326 | – | 12 53 47.03 | +03 26 30.4 | ||
| J1341+3959* | J1359+4011 | 13 41 05.107 | +39 59 45.42 | ||
| J1428+4240 | – | 14 28 32.62 | +42 40 21.2 | ||
| J1442+1200 | – | 14 42 48.27 | +12 00 40.3 | ||
| J1516+2918 | – | 15 16 41.60 | +29 18 09.5 | ||
Notes. Column 1: date of the VLBA observations; Col. 2: fringe finder of the scheduling block; Col. 3 name of the observed target (stars indicate sources for which we obtained VLBA absolute core positions); Col. 4: phase calibrator, if used (when the phase calibrator is followed by a parenthesis with a specified frequency (X and/or U band), it means that phase referencing was performed only at that frequency); Cols. 5 and 6: RA and Dec in J2000 of the core.
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