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Issue A&A
Volume 414, Number 3, February II 2004
Page(s) L37 - L40
Section Letters
DOI http://dx.doi.org/10.1051/0004-6361:20031745



A&A 414, L37-L40 (2004)
DOI: 10.1051/0004-6361:20031745

Letter

The double radio source 3C 343.1: A galaxy-QSO pair with very different redshifts

H. Arp1, E. M. Burbidge2 and G. Burbidge2

1  Max-Planck-Institut für Astrophysik, Karl Schwarzschild-Str. 1, Postfach 1317, 85741 Garching, Germany
2  Center for Astrophysics and Space Sciences 0424, University of California, San Diego, CA 92093-0424, USA
    e-mail: gburbidge@ucsd.edu

(Received 20 October 2003 / Accepted 16 December 2003)

Abstract
The strong radio source 3C 343.1 consists of a galaxy and a QSO separated by no more than about $0.25^{\prime\prime}$. The chance of this being an accidental superposition is conservatively ~ $1\times10^{-8}$. The z=0.344 galaxy is connected to the z=0.750 QSO by a radio bridge. The numerical relation between the two redshifts is that predicted from previous associations. This pair is an extreme example of many similar physical associations of QSOs and galaxies with very different redshifts.


Key words: galaxies: active -- galaxies: individual: 3C 343.1 -- quasars: general -- radio continuum: general

Offprint request: H. Arp, arp@mpa-garching.mpg.de

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