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Letters to Nature
Nature 252, 552-553 (13 December 1974) | doi:10.1038/252552a0
Observations of the radio galaxy DA240 at 11 cm
J. R. BAKER, E. PREUSS, J. B. WHITEOAK & P. ZIMMERMANN
- Max-Planck-Institut für Radioastronomie, 53 Bonn 1, Auf dem Hügel 69, West Germany
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Abstract
THE radio source DA240 (refs 1 and 2) has been identified3 as a 15-mag elliptical galaxy of redshift z=0.0356, placing it at a distance of 215 Mpc (assuming an Einstein–de Sitter cosmology with c/H0=6,000 Mpc). The total angular extent of the source is approximately 34', which implies a linear extent of 2.1 Mpc and makes it one of the largest systems known.
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