Open AccessInterferometric Observations of Powerful CO Emission from Three Submillimeter Galaxies at z =2.39, 2.51, and 3.35
Author(s) -
R. Neri,
R. Genzel,
R. J. Ivison,
F. Bertoldi,
A. W. Blain,
S. C. Chapman,
P. Cox,
T. R. Greve,
A. Omont,
D. T. Frayer
Publication year - 2003
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/379968
Subject(s) - physics , submillimeter array , millimeter , redshift , astrophysics , galaxy , astronomy , population , active galactic nucleus , radio galaxy , submillimeter wave , interferometry , star formation , demography , sociology
We report IRAM Plateau de Bure, millimeter interferometry of three z=~2.4 to3.4, SCUBA deep field galaxies. Our CO line observations confirm the rest-frameUV/optical redshifts, thus more than doubling the number of confirmed,published redshifts of the faint submillimeter population and proving theirhigh-z nature. In all three sources our measurements of the intrinsic gas anddynamical mass are large (1e10 to 1e11 Msun). In at least two cases the datashow that the submillimeter sources are part of an interacting system. Togetherwith recent information gathered in the X-ray, optical and radio bands ourobservations support the interpretation that the submm-population consists ofgas rich (gas to dynamical mass ratio ~0.5) and massive, compositestarburst/AGN systems, which are undergoing a major burst of star formation andare evolving into m*-galaxies.Comment: only minor modifications to comply with the ApJL edition rule
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