A luminous cool component in the protogalaxy candidate 3C 326.1

Details A luminous cool component in the protogalaxy candidate 3C 326.1 A luminous cool component in the protogalaxy candidate 3C 326.1

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...346l..65l&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 346, Nov. 15, 1989, p. L65-L68.

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7

Astronomical Spectroscopy, Galactic Evolution, Radio Galaxies, Color, Infrared Spectra, Lyman Alpha Radiation, Spectral Line Width

Scientific paper

A very deep K-band (2.2-micron) image of the protogalaxy candidate 3C 326.1 at z = 1.82 has shown that it is dominated by a faint condensed K = 19 source that is coincident with one of the optical continuum components. This object has a K magnitude and an (R - K) color that are not anomalous when compared with the 20 or so other radio galaxies known at z greater than 1. It is suggested that 3C 326.1 contains a luminous old population of stars, and hence that it is unlikely to be a protogalaxy seen in the process of formation.

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