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Title:
Detecting the most distant ( z>7) objects with ALMA
Authors:
Walter, Fabian; Carilli, Chris
Affiliation:
AA(Max Planck Insitut für Astronomie), AB(National Radio Astronomy Observatory)
Publication:
Astrophysics and Space Science, Volume 313, Issue 1-3, pp. 313-316 (Ap&SS Homepage)
Publication Date:
01/2008
Origin:
SPRINGER
Keywords:
Radio lines: ISM, Galaxies: high-redshifts, ISM: lines and bands
Abstract Copyright:
(c) 2008: Springer Science+Business Media B.V.
DOI:
10.1007/s10509-007-9634-1
Bibliographic Code:
2008Ap&SS.313..313W

Abstract

Detecting and studying objects at the highest redshifts, out to the end of Cosmic Reionization at z>7, is clearly a key science goal of ALMA. ALMA will in principle be able to detect objects in this redshift range both from high- J ( J>7) CO transitions and emission from ionized carbon, [CII], which is one of the main cooling lines of the ISM. ALMA will even be able to resolve this emission for individual targets, which will be one of the few ways to determine dynamical masses for systems in the Epoch of Reionization. We discuss some of the current problems regarding the detection and characterization of objects at high redshifts and how ALMA will eliminate most (but not all) of them.
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