Cohen, Judith G. and Cowie, Lennox L. and Hogg, David W. and Songaila, Antoinette and Blandford, Roger and Hu, Esther M. and Shopbell, Patrick (1996) Redshift Clustering in the Hubble Deep Field. Astrophysical Journal, 471 (1). L5-L9. ISSN 0004-637X. doi:10.1086/310330. https://resolver.caltech.edu/CaltechAUTHORS:20190529-103832491
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Abstract
We present initial results from a redshift survey carried out with the low-resolution imaging spectrograph on the 10 m W. M. Keck Telescope in the Hubble Deep Field. In the redshift distribution of the 140 extragalactic objects in this sample, we find six strong peaks with velocity dispersions of ~400 km s-1. The areal density of objects within a particular peak, while it may be nonuniform, does not show evidence for strong central concentration. These peaks have characteristics (velocity dispersions, density enhancements, spacing, and spatial extent) similar to those seen in a comparable redshift survey in a different high Galactic latitude field (Cohen and coworkers), confirming that the structures are generic. They are probably the high-redshift counterparts of huge galaxy structures ("walls") observed locally.
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| Additional Information: | © 1996. The American Astronomical Society. Received 1996 June 24; accepted 1996 August 14. We thank the Hubble Deep Field team, led by Bob Williams, for planning, taking, reducing, and making public the HDF images. We are grateful to George Djorgovski, Keith Matthews, Gerry Neugebauer, Paddy Padmanabhan, Mike Pahre, Tom Soifer, and Jim Westphal for helpful conversations. The entire Keck user community owes a huge debt to Bev Oke, Jerry Nelson, Gerry Smith, and many other people who have worked to make the Keck Telescope a reality. We are grateful to the W. M. Keck Foundation, and particularly its president, Howard Keck, for the vision to fund the construction of the W. M. Keck Observatory. Support by NASA and the NSF is greatly appreciated. | ||||||||||
| Group: | TAPIR | ||||||||||
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| Subject Keywords: | cosmology: observations; galaxies: distances and redshifts; large-scale structure of universe | ||||||||||
| Issue or Number: | 1 | ||||||||||
| DOI: | 10.1086/310330 | ||||||||||
| Record Number: | CaltechAUTHORS:20190529-103832491 | ||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190529-103832491 | ||||||||||
| Official Citation: | Judith G. Cohen et al 1996 ApJ 471 L5 | ||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||
| ID Code: | 95859 | ||||||||||
| Collection: | CaltechAUTHORS | ||||||||||
| Deposited By: | George Porter | ||||||||||
| Deposited On: | 29 May 2019 21:11 | ||||||||||
| Last Modified: | 16 Nov 2021 17:16 |
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