The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster
Artikel i vetenskaplig tidskrift, 2010

The Herschel Lensing Survey (HLS) takes advantage of gravitational lensing by massive galaxy clusters to sample a population of high-redshift galaxies which are too faint to be detected above the confusion limit of current far-infrared/submillimeter telescopes. Measurements from 100-500 mu m bracket the peaks of the far-infrared spectral energy distributions of these galaxies, characterizing their infrared luminosities and star formation rates. We introduce initial results from our science demonstration phase observations, directed toward the Bullet cluster (1E0657-56). By combining our observations with LABOCA 870 mu m and AzTEC 1.1 mm data we fully constrain the spectral energy distributions of 19 MIPS 24 mu m-selected galaxies which are located behind the cluster. We find that their colors are best fit using templates based on local galaxies with systematically lower infrared luminosities. This suggests that our sources are not like local ultra-luminous infrared galaxies in which vigorous star formation is contained in a compact highly dust-obscured region. Instead, they appear to be scaled up versions of lower luminosity local galaxies with star formation occurring on larger physical scales.

star-forming galaxies

galaxies: clusters: general

gravitational

galaxies: high-redshift

galaxies: evolution

lensing: strong

submillimeter: galaxies

redshift deadlock

submillimeter galaxies

infrared: galaxies

bright

RS

breaking

1e0657-56

evolution

Författare

M. Rex

University of Arizona

T.D. Rawle

University of Arizona

E. Egami

University of Arizona

P.G.P. Pérez-González

Universidad Complutense de Madrid

University of Arizona

M. Zemcov

CalTech

Jet Propulsion Laboratory, California Institute of Technology

I. Aretxaga

Instituto Nacional de Astrofisica Optica y Electronica

S. M. Chung

University of Florida

D. Fadda

CalTech

A. H. Gonzalez

University of Florida

D. H. Hughes

Instituto Nacional de Astrofisica Optica y Electronica

Cathy Horellou

Chalmers, Institutionen för radio- och rymdvetenskap, Radioastronomi och astrofysik

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Daniel Dahlin

Chalmers, Institutionen för radio- och rymdvetenskap, Radioastronomi och astrofysik

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J.P.J.P. Kneib

Laboratoire d'Astrophysique de Marseille

J. Richard

University of Durham

B. Altiéri

European Space Astronomy Centre

A. K. Fiedler

University of Arizona

M. J. Pereira

University of Arizona

G. H. Rieke

University of Arizona

I. Smail

University of Durham

I. Valtchanov

European Space Astronomy Centre

A.W. Blain

CalTech

J. J. Bock

Jet Propulsion Laboratory, California Institute of Technology

CalTech

F. Boone

LERMA - Laboratoire d'Etudes du Rayonnement et de la Matiere en Astrophysique et Atmospheres

Universite de Toulouse

C. R. Bridge

CalTech

B. Clément

Laboratoire d'Astrophysique de Marseille

F. Combes

LERMA - Laboratoire d'Etudes du Rayonnement et de la Matiere en Astrophysique et Atmospheres

C. D. Dowell

Jet Propulsion Laboratory, California Institute of Technology

CalTech

M. Dessauges-Zavadsky

Universite de Geneve

O. Ilbert

Laboratoire d'Astrophysique de Marseille

R. J. Ivison

University of Edinburgh

Royal Observatory

Mathilde Jauzac

Laboratoire d'Astrophysique de Marseille

D. Lutz

Max Planck-institutet

A.A. Omont

Universite Pierre et Marie Curie

R. Pelló

Universite de Toulouse

G. Rodighiero

Universita degli Studi di Padova

D. Schaerer

Universite de Toulouse

Universite de Geneve

G. P. Smith

University of Birmingham

G.L. Walth

University of Arizona

P. van der Werf

Leiden University

M. W. Werner

Jet Propulsion Laboratory, California Institute of Technology

J. E. Austermann

University of Colorado at Boulder

H. Ezawa

National Institutes of Natural Sciences - National Astronomical Observatory of Japan

R. Kawabe

National Institutes of Natural Sciences - National Astronomical Observatory of Japan

K. Kohno

University of Tokyo

Research Center for the Early Universe

T. A. Perera

Illinois Wesleyan University

K. S. Scott

University of Pennsylvania

G. W. Wilson

University of Massachusetts

A. S. Yun

University of Massachusetts

Astronomy and Astrophysics

0004-6361 (ISSN) 1432-0746 (eISSN)

Vol. 518 L13

Ämneskategorier

Astronomi, astrofysik och kosmologi

DOI

10.1051/0004-6361/201014693

Publikationsdata kopplat till DOI

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