The nature of the stellar continuum in the radio galaxy 3C 65

Details The nature of the stellar continuum in the radio galaxy 3C 65 The nature of the stellar continuum in the radio galaxy 3C 65

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...443l..69s&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 443, no. 2, p. L69-L72

Mathematics

Logic

50

Astronomical Models, Big Bang Cosmology, Galactic Evolution, Hubble Constant, Radio Galaxies, Stellar Spectra, Emission Spectra, Line Spectra, Magnesium, Quasars, Red Shift

Scientific paper

We present a deep spectrum of the z = 1.175 radio galaxy 3C 65 and show that the continuum is dominated by a stellar population that, by our best estimate, is approximately 4 Gyr old. For cosmological models with Lambda = 0, such an age would be inconsistent with Omega0 approximately 1 for H0 greater than or approximately 50. There is also evidence for broad Mg II emission, most likely scattered from a hidden quasar nucleus.

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