An extragalactic spectroscopic survey of the SSA22 field

C. Saez; B. D. Lehmer; F. E. Bauer; D. Stern; A. Gonzales; I. Rreza; D. M. Alexander; Y. Matsuda; J. E. Geach; F. A. Harrison; T. Hayashino

doi:10.1093/mnras/stv747

An extragalactic spectroscopic survey of the SSA22 field

C. Saez
, B. D. Lehmer
, F. E. Bauer
, D. Stern
, A. Gonzales
, I. Rreza
, D. M. Alexander
, Y. Matsuda
, J. E. Geach
, F. A. Harrison
, T. Hayashino

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

34 Downloads (Pure)

Abstract

We present Very Large Telescope VIMOS, Keck DEIMOS and Keck LRIS multi-object spectra of 367 sources in the field of the z ≈ 3.09 protocluster SSA22. Sources are spectroscopically classified via template matching, allowing new identifications for 206 extragalactic sources, including 36 z > 2 Lyman-break galaxies (LBGs) and Lyman α emitters (LAEs), eight protocluster members, and 94 X-ray sources from the ~400 ks Chandra deep survey of SSA22. Additionally, in the area covered by our study, we have increased by ≈4, 13, and 6 times the number of reliable redshifts of sources at 1.0 < z < 2.0, at z > 3.4, and with X-ray emission, respectively. We compare our results with past spectroscopic surveys of SSA22 to investigate the completeness of the LBGs and theX-ray properties of the newspectroscopically classified sources in the SSA22 field.

Original language	English
Pages (from-to)	2615-2630
Number of pages	16
Journal	Monthly Notices of the Royal Astronomical Society (MNRAS)
Volume	450
Issue number	3
Early online date	7 May 2015
DOIs	https://doi.org/10.1093/mnras/stv747
Publication status	Published - 1 Jul 2015

Keywords

Galaxies: active
Galaxies: clusters: general
Surveys
Techniques: imaging spectroscopy
X-rays: galaxies

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10.1093/mnras/stv747

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title = "An extragalactic spectroscopic survey of the SSA22 field",

abstract = "We present Very Large Telescope VIMOS, Keck DEIMOS and Keck LRIS multi-object spectra of 367 sources in the field of the z ≈ 3.09 protocluster SSA22. Sources are spectroscopically classified via template matching, allowing new identifications for 206 extragalactic sources, including 36 z > 2 Lyman-break galaxies (LBGs) and Lyman α emitters (LAEs), eight protocluster members, and 94 X-ray sources from the \textasciitilde{}400 ks Chandra deep survey of SSA22. Additionally, in the area covered by our study, we have increased by ≈4, 13, and 6 times the number of reliable redshifts of sources at 1.0 < z < 2.0, at z > 3.4, and with X-ray emission, respectively. We compare our results with past spectroscopic surveys of SSA22 to investigate the completeness of the LBGs and theX-ray properties of the newspectroscopically classified sources in the SSA22 field.",

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AU - Saez, C.

AU - Lehmer, B. D.

AU - Bauer, F. E.

AU - Stern, D.

AU - Gonzales, A.

AU - Rreza, I.

AU - Alexander, D. M.

AU - Matsuda, Y.

AU - Geach, J. E.

AU - Harrison, F. A.

AU - Hayashino, T.

N1 - This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society. © 2015 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society.

PY - 2015/7/1

Y1 - 2015/7/1

N2 - We present Very Large Telescope VIMOS, Keck DEIMOS and Keck LRIS multi-object spectra of 367 sources in the field of the z ≈ 3.09 protocluster SSA22. Sources are spectroscopically classified via template matching, allowing new identifications for 206 extragalactic sources, including 36 z > 2 Lyman-break galaxies (LBGs) and Lyman α emitters (LAEs), eight protocluster members, and 94 X-ray sources from the ~400 ks Chandra deep survey of SSA22. Additionally, in the area covered by our study, we have increased by ≈4, 13, and 6 times the number of reliable redshifts of sources at 1.0 < z < 2.0, at z > 3.4, and with X-ray emission, respectively. We compare our results with past spectroscopic surveys of SSA22 to investigate the completeness of the LBGs and theX-ray properties of the newspectroscopically classified sources in the SSA22 field.

AB - We present Very Large Telescope VIMOS, Keck DEIMOS and Keck LRIS multi-object spectra of 367 sources in the field of the z ≈ 3.09 protocluster SSA22. Sources are spectroscopically classified via template matching, allowing new identifications for 206 extragalactic sources, including 36 z > 2 Lyman-break galaxies (LBGs) and Lyman α emitters (LAEs), eight protocluster members, and 94 X-ray sources from the ~400 ks Chandra deep survey of SSA22. Additionally, in the area covered by our study, we have increased by ≈4, 13, and 6 times the number of reliable redshifts of sources at 1.0 < z < 2.0, at z > 3.4, and with X-ray emission, respectively. We compare our results with past spectroscopic surveys of SSA22 to investigate the completeness of the LBGs and theX-ray properties of the newspectroscopically classified sources in the SSA22 field.

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KW - Galaxies: clusters: general

KW - Surveys

KW - Techniques: imaging spectroscopy

KW - X-rays: galaxies

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JO - Monthly Notices of the Royal Astronomical Society (MNRAS)

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An extragalactic spectroscopic survey of the SSA22 field

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