Source Epoch Contour
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GIF

1458+718

(4C +71.15, 3C 309.1, NRAO 464)
QSO
z= 0.905
V= 16.78

Notes (from the published papers): 4C\,71.15, 3C\,309.1, NRAO\,0464 or 1458+718 has $V$=16.78 and $z$=0.905. It is one of the most prominent compact steep spectrum radio sources (\citet{VanBreugel84}, \citet{Fanti95}. %\citet{Kus90} studied %this source at XX\,GHz and identified four components %out to 50\,mas from the core. \citet{Aaron97} and \citet{Aaron98} studied the polarization and multifrequency properties of this radio source at pc-scales in detail. Our map from August 1997 reveal a compact core and a more extended component 20\,mas to the South, with some extended, diffuse emission out of this one. Lower frequency maps show emission connecting those two big features and further out up to 50\,mas and then turning to the East.

09/1997

03/2001

12/2001

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