RC J1148+0455 identification: gravitational lens or group of galaxies ?

Details RC J1148+0455 identification: gravitational lens or group of galaxies ? RC J1148+0455 identification: gravitational lens or group of galaxies ?

1999-12-23

arxiv.org/abs/astro-ph/9912499v1

Astronomy and Astrophysics

Astrophysics

6 pages, 5 figures, uses psfig.sty. This was the poster as presented on Gamow Memorial Internat. Conference GMIC'99 "Early Uni

Scientific paper

10.1080/10556790008238599

The structure of the radio source RC B1146+052 of the ``Cold'' catalogue is investigated by data of the MIT-GB-VLA survey at 4850 MHz. This source belongs to the steep spectrum radio sources subsample of the RC catalogue. Its spectral index is $\alpha$ = -1.04. The optical image of this source obtained with 6m telescope is analysed. The radio source center is situated in a group of 8 galaxies of about 24$^m$ in the R-filter. The possible explanations of the complex structure of radio components are considered.

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