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Anglo-Australian telescope imaging and microslit spectroscopy in the southern Hubble deep field
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posted on 2023-06-08, 00:48 authored by Karl Glazebrook, Aprajita Verma, Brian Boyle, Seb OliverSeb Oliver, Robert G Mann, Davienne MonbleauWe 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 sime 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 sz/(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.
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Publication status
- Published
Journal
Astronomical JournalISSN
0004-6256Publisher
American Astronomical SocietyExternal DOI
Issue
5Volume
131Page range
2383-2393Department affiliated with
- Physics and Astronomy Publications
Notes
Mann, Robert G.; Monbleau, DavienneFull text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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