The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster

M. Rex; T. D. Rawle; E. Egami; P. G. Pérez-González; M. Zemcov; I. Aretxaga; S. M. Chung; D. Fadda; A. H. Gonzalez; D. H. Hughes; C. Horellou; D. Johansson; J. P. Kneib; J. Richard; B. Altieri; A. K. Fiedler; M. J. Pereira; George H. Rieke; I. Smail; I. Valtchanov; A. W. Blain; J. J. Bock; F. Boone; C. R. Bridge; B. Clement; F. Combes; C. D. Dowell; M. Dessauges-Zavadsky; O. Ilbert; R. J. Ivison; M. Jauzac; D. Lutz; A. Omont; R. Pelló; G. Rodighiero; D. Schaerer; G. P. Smith; G. L. Walth; P. Van Der Werf; M. W. Werner; J. E. Austermann; H. Ezawa; R. Kawabe; K. Kohno; T. A. Perera; K. S. Scott; G. W. Wilson; M. S. Yun

The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster

M. Rex, T. D. Rawle, E. Egami, P. G. Pérez-González, M. Zemcov, I. Aretxaga, S. M. Chung, D. Fadda, A. H. Gonzalez, D. H. Hughes, C. Horellou, D. Johansson, J. P. Kneib, J. Richard, B. Altieri, A. K. Fiedler, M. J. Pereira, George H. Rieke, I. Smail, I. ValtchanovA. W. Blain, J. J. Bock, F. Boone, C. R. Bridge, B. Clement, F. Combes, C. D. Dowell, M. Dessauges-Zavadsky, O. Ilbert, R. J. Ivison, M. Jauzac, D. Lutz, A. Omont, R. Pelló, G. Rodighiero, D. Schaerer, G. P. Smith, G. L. Walth, P. Van Der Werf, M. W. Werner, J. E. Austermann, H. Ezawa, R. Kawabe, K. Kohno, T. A. Perera, K. S. Scott, G. W. Wilson, M. S. Yun

Steward Observatory

Research output: Contribution to journal › Article

33 Scopus citations

Abstract

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 μm 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 μm and AzTEC 1.1 mm data we fully constrain the spectral energy distributions of 19 MIPS 24 μm-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.

Original language	English (US)
Article number	L13
Journal	Astronomy and Astrophysics
Volume	518
Issue number	7-8
Publication status	Published - Jul 16 2010

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Keywords

Galaxies: clusters: general
Galaxies: evolution
Galaxies: high-redshift
Gravitational lensing: strong
Infrared: galaxies
Submillimeter: galaxies

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

Cite this

Rex, M., Rawle, T. D., Egami, E., Pérez-González, P. G., Zemcov, M., Aretxaga, I., ... Yun, M. S. (2010). The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster. Astronomy and Astrophysics, 518(7-8), [L13].

The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster. / Rex, M.; Rawle, T. D.; Egami, E.; Pérez-González, P. G.; Zemcov, M.; Aretxaga, I.; Chung, S. M.; Fadda, D.; Gonzalez, A. H.; Hughes, D. H.; Horellou, C.; Johansson, D.; Kneib, J. P.; Richard, J.; Altieri, B.; Fiedler, A. K.; Pereira, M. J.; Rieke, George H.; Smail, I.; Valtchanov, I.; Blain, A. W.; Bock, J. J.; Boone, F.; Bridge, C. R.; Clement, B.; Combes, F.; Dowell, C. D.; Dessauges-Zavadsky, M.; Ilbert, O.; Ivison, R. J.; Jauzac, M.; Lutz, D.; Omont, A.; Pelló, R.; Rodighiero, G.; Schaerer, D.; Smith, G. P.; Walth, G. L.; Van Der Werf, P.; Werner, M. W.; Austermann, J. E.; Ezawa, H.; Kawabe, R.; Kohno, K.; Perera, T. A.; Scott, K. S.; Wilson, G. W.; Yun, M. S.

In: Astronomy and Astrophysics, Vol. 518, No. 7-8, L13, 16.07.2010.

Research output: Contribution to journal › Article

Rex, M, Rawle, TD, Egami, E, Pérez-González, PG, Zemcov, M, Aretxaga, I, Chung, SM, Fadda, D, Gonzalez, AH, Hughes, DH, Horellou, C, Johansson, D, Kneib, JP, Richard, J, Altieri, B, Fiedler, AK, Pereira, MJ, Rieke, GH, Smail, I, Valtchanov, I, Blain, AW, Bock, JJ, Boone, F, Bridge, CR, Clement, B, Combes, F, Dowell, CD, Dessauges-Zavadsky, M, Ilbert, O, Ivison, RJ, Jauzac, M, Lutz, D, Omont, A, Pelló, R, Rodighiero, G, Schaerer, D, Smith, GP, Walth, GL, Van Der Werf, P, Werner, MW, Austermann, JE, Ezawa, H, Kawabe, R, Kohno, K, Perera, TA, Scott, KS, Wilson, GW & Yun, MS 2010, 'The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster', Astronomy and Astrophysics, vol. 518, no. 7-8, L13.

Rex, M. ; Rawle, T. D. ; Egami, E. ; Pérez-González, P. G. ; Zemcov, M. ; Aretxaga, I. ; Chung, S. M. ; Fadda, D. ; Gonzalez, A. H. ; Hughes, D. H. ; Horellou, C. ; Johansson, D. ; Kneib, J. P. ; Richard, J. ; Altieri, B. ; Fiedler, A. K. ; Pereira, M. J. ; Rieke, George H. ; Smail, I. ; Valtchanov, I. ; Blain, A. W. ; Bock, J. J. ; Boone, F. ; Bridge, C. R. ; Clement, B. ; Combes, F. ; Dowell, C. D. ; Dessauges-Zavadsky, M. ; Ilbert, O. ; Ivison, R. J. ; Jauzac, M. ; Lutz, D. ; Omont, A. ; Pelló, R. ; Rodighiero, G. ; Schaerer, D. ; Smith, G. P. ; Walth, G. L. ; Van Der Werf, P. ; Werner, M. W. ; Austermann, J. E. ; Ezawa, H. ; Kawabe, R. ; Kohno, K. ; Perera, T. A. ; Scott, K. S. ; Wilson, G. W. ; Yun, M. S. / The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster. In: Astronomy and Astrophysics. 2010 ; Vol. 518, No. 7-8.

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title = "The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster",

abstract = "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 μm 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 μm and AzTEC 1.1 mm data we fully constrain the spectral energy distributions of 19 MIPS 24 μm-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.",

keywords = "Galaxies: clusters: general, Galaxies: evolution, Galaxies: high-redshift, Gravitational lensing: strong, Infrared: galaxies, Submillimeter: galaxies",

author = "M. Rex and Rawle, {T. D.} and E. Egami and P{\'e}rez-Gonz{\'a}lez, {P. G.} and M. Zemcov and I. Aretxaga and Chung, {S. M.} and D. Fadda and Gonzalez, {A. H.} and Hughes, {D. H.} and C. Horellou and D. Johansson and Kneib, {J. P.} and J. Richard and B. Altieri and Fiedler, {A. K.} and Pereira, {M. J.} and Rieke, {George H.} and I. Smail and I. Valtchanov and Blain, {A. W.} and Bock, {J. J.} and F. Boone and Bridge, {C. R.} and B. Clement and F. Combes and Dowell, {C. D.} and M. Dessauges-Zavadsky and O. Ilbert and Ivison, {R. J.} and M. Jauzac and D. Lutz and A. Omont and R. Pell{\'o} and G. Rodighiero and D. Schaerer and Smith, {G. P.} and Walth, {G. L.} and {Van Der Werf}, P. and Werner, {M. W.} and Austermann, {J. E.} and H. Ezawa and R. Kawabe and K. Kohno and Perera, {T. A.} and Scott, {K. S.} and Wilson, {G. W.} and Yun, {M. S.}",

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AU - Rex, M.

AU - Rawle, T. D.

AU - Egami, E.

AU - Pérez-González, P. G.

AU - Zemcov, M.

AU - Aretxaga, I.

AU - Chung, S. M.

AU - Fadda, D.

AU - Gonzalez, A. H.

AU - Hughes, D. H.

AU - Horellou, C.

AU - Johansson, D.

AU - Kneib, J. P.

AU - Richard, J.

AU - Altieri, B.

AU - Fiedler, A. K.

AU - Pereira, M. J.

AU - Rieke, George H.

AU - Smail, I.

AU - Valtchanov, I.

AU - Blain, A. W.

AU - Bock, J. J.

AU - Boone, F.

AU - Bridge, C. R.

AU - Clement, B.

AU - Combes, F.

AU - Dowell, C. D.

AU - Dessauges-Zavadsky, M.

AU - Ilbert, O.

AU - Ivison, R. J.

AU - Jauzac, M.

AU - Lutz, D.

AU - Omont, A.

AU - Pelló, R.

AU - Rodighiero, G.

AU - Schaerer, D.

AU - Smith, G. P.

AU - Walth, G. L.

AU - Van Der Werf, P.

AU - Werner, M. W.

AU - Austermann, J. E.

AU - Ezawa, H.

AU - Kawabe, R.

AU - Kohno, K.

AU - Perera, T. A.

AU - Scott, K. S.

AU - Wilson, G. W.

AU - Yun, M. S.

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N2 - 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 μm 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 μm and AzTEC 1.1 mm data we fully constrain the spectral energy distributions of 19 MIPS 24 μm-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.

AB - 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 μm 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 μm and AzTEC 1.1 mm data we fully constrain the spectral energy distributions of 19 MIPS 24 μm-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.

KW - Galaxies: clusters: general

KW - Galaxies: evolution

KW - Galaxies: high-redshift

KW - Gravitational lensing: strong

KW - Infrared: galaxies

KW - Submillimeter: galaxies

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The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster

Abstract

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Keywords

ASJC Scopus subject areas

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