NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-12-17 T01:18:31 PST
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For refcode 2006AJ....131.2383G:
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Copyright by American Astronomical Society. Reproduced by permission
2006AJ....131.2383G Anglo-Australian Telescope Imaging and Microslit Spectroscopy in the Southern Hubble Deep Field Karl Glazebrook, Aprajita Verma, Brian Boyle, Sebastian Oliver, Robert G. Mann, and Davienne Monbleau Abstract. We present a deep photometric (B- and R-band) catalog and an associated spectroscopic redshift survey conducted in the vicinity of the Hubble Deep Field -- South. The spectroscopy yields 53 extragalactic redshifts in the range 0<z<1.4, substantially increasing the body of spectroscopic work in this field to over 200 objects. The targets are selected from deep Anglo-Australian Telescope prime-focus images complete to R<24, and the spectroscopy is 50% complete at R=23. There is now strong evidence for a rich cluster at z=~0.58 flanking the Wide Field Planetary Camera 2 field, which is consistent with a known absorber of the bright QSO in this field. We find that photometric redshifts of z<1 galaxies in this field based on Hubble Space Telescope data are accurate to {sigma}_z_/(1+z)=0.03 (albeit with small number statistics). The observations were carried out as a community service for Hubble Deep Field science in order to demonstrate the first use of the nod-and-shuffle technique with a classical multiobject spectrograph and to test the use of microslits for ultrahigh multiplex observations along with a new volume phase holographic grism and deep-depletion CCD. The reduction of this new type of data is also described. Key words: Catalogs, Galaxies: Evolution, Instrumentation: Spectrographs, Surveys
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