The case for an abundant population of feeble galaxies at z > 8

D. P. Stark

doi:10.1393/ncb/i2008-10457-2

The case for an abundant population of feeble galaxies at z > 8

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Abstract

We present new observational constraints on the abundance of z > 8 Lyman-alpha emitters secured from a deep Keck near-infrared spectroscopic survey utilizing the strong magnification provided by lensing galaxy clusters. The survey has yielded six promising candidate Lyman-alpha emitters which appear to lie between z = 8.7 and z = 10.2. We describe detailed follow-up exposures made to secure the high-redshift interpretation, as well as further tests that are currently underway with new instrumentation. Based upon our current knowledge of these sources, we discuss their possible contribution to the reionization of neutral hydrogen.

Original language	English (US)
Pages (from-to)	1001-1006
Number of pages	6
Journal	Nuovo Cimento della Societa Italiana di Fisica B
Volume	122
Issue number	9-11
DOIs	https://doi.org/10.1393/ncb/i2008-10457-2
State	Published - Sep 2007
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1393/ncb/i2008-10457-2

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The case for an abundant population of feeble galaxies at z > 8

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