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29 March 2024 |
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First Results from the SPICES Survey | Daniel Stern
; Andrew Connolly
; Peter Eisenhardt
; Richard Elston
; Brad Holden
; Piero Rosati
; S.A.Stanford
; Hyron Spinrad
; Paolo Tozzi
; & K.L. Wu
; | Date: |
7 Dec 2000 | Subject: | astro-ph | Affiliation: | JPL/Caltech, Univ. of Pittsburgh, Univ. of Florida, UC-Davis and IGPP/LLNL, ESO, UC-Berkeley, Trieste | Abstract: | We present first results from SPICES, the Spectroscopic, Photometric, Infrared-Chosen Extragalactic Survey. SPICES is comprised of four ~30 square arcminute high Galactic latitude fields with deep BRIzJK imaging reaching depths of ~25th magnitude (AB) in the optical and ~23rd magnitude (AB) in the near-infrared. To date we have 626 spectroscopic redshifts for infrared-selected SPICES sources with K<20 (Vega). The project is poised to address galaxy formation and evolution to redshift z~2. We discuss initial results from the survey, including the surface density of extremely red objects and the fraction of infrared sources at z>1. One of the SPICES fields has been the target of a deep 190 ksec Chandra exposure; we discuss initial results from analysis of that data set. Finally, we briefly discuss a successful campaign to identify high-redshift sources in the SPICES fields. | Source: | arXiv, astro-ph/0012146 | Services: | Forum | Review | PDF | Favorites |
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