Keck Spectroscopy of Moderate Redshift Galaxies Imaged by HST

Details Keck Spectroscopy of Moderate Redshift Galaxies Imaged by HST Keck Spectroscopy of Moderate Redshift Galaxies Imaged by HST

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...18510608f&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #106.08; Bulletin of the American Astronomical Society, Vol. 26, p.1495

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We report the initial results of combining the light--gathering power of the Keck 10m telescope with the ~ 0.1('') spatial resolution of HST to study a small sample of faint field galaxies. The study of such galaxies has been limited by the spatial resolutions available to ground--based imaging and by the difficulty of acquiring spectra of very faint objects with 4m class telescopes. From the V and I WFPC-II imaging we have selected galaxies with a range of morphological types, and magnitudes of I ~ 20.5 (B ~ 23). HST imaging and Keck spectra of these galaxies allow us to derive redshifts, spatial velocity information, Hubble classifications and physical scale lengths. Our highest redshift object (at z = 0.75) is a spiral galaxy which appears to be undergoing a burst of star formation.

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