Spitzer 70/160 μm observations of high-redshift ULIRGs and HyLIRGs in the Boötes field

Krystal D. Tyler; Emeric Le Floc'H; George H. Rieke; Arjun Dey; Vandana Desai; Kate Brand; Colin Borys; Buell T. Jannuzi; Lee Armus; Herve Dole; Casey Papovich; Michael J.I. Brown; Myra Blaylock; Sarah J.U. Higdon; James L. Higdon; Vassilis Charmandaris; Matthew L.N. Ashby; Howard A. Smith

doi:10.1088/0004-637X/691/2/1846

Spitzer 70/160 μm observations of high-redshift ULIRGs and HyLIRGs in the Boötes field

Krystal D. Tyler, Emeric Le Floc'H, George H. Rieke, Arjun Dey, Vandana Desai, Kate Brand, Colin Borys, Buell T. Jannuzi, Lee Armus, Herve Dole, Casey Papovich, Michael J.I. Brown, Myra Blaylock, Sarah J.U. Higdon, James L. Higdon, Vassilis Charmandaris, Matthew L.N. Ashby, Howard A. Smith

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10 Scopus citations

Abstract

We present new 70 and 160 μm observations of a sample of extremely red (R-[24] ≳ 15 mag), mid-infrared bright, high-redshift (1.7 ≲ z ≲ 2.8) galaxies. All targets detected in the far-infrared exhibit rising spectral energy distributions (SEDs) consistent with dust emission from obscured active galactic nuclei (AGNs) and/or star-forming regions in luminous IR galaxies (LIRGs). We find that the SEDs of the high-redshift sources are more similar to canonical AGN-dominated local ultraluminous IR galaxies (ULIRGs) with significant warm dust components than to typical local star-forming ULIRGs. The inferred IR (8-1000 μm) bolometric luminosities are found to be L bol 4 × 10¹² L to3 × 10¹³ L (ULIRGs/hyper-luminous IR galaxies (HyLIRGs)), representing the first robust constraints on L bol for this class of object.

Original language	English (US)
Pages (from-to)	1846-1853
Number of pages	8
Journal	Astrophysical Journal
Volume	691
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/691/2/1846
State	Published - Feb 1 2009

Keywords

dust, extinction
galaxies: active
galaxies: high-redshift
galaxies: photometry
galaxies: starburst
infrared: galaxies

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1088/0004-637X/691/2/1846

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Tyler, K. D., Floc'H, E. L., Rieke, G. H., Dey, A., Desai, V., Brand, K., Borys, C., Jannuzi, B. T., Armus, L., Dole, H., Papovich, C., Brown, M. J. I., Blaylock, M., Higdon, S. J. U., Higdon, J. L., Charmandaris, V., Ashby, M. L. N., & Smith, H. A. (2009). Spitzer 70/160 μm observations of high-redshift ULIRGs and HyLIRGs in the Boötes field. Astrophysical Journal, 691(2), 1846-1853. https://doi.org/10.1088/0004-637X/691/2/1846

Tyler, KD, Floc'H, EL, Rieke, GH, Dey, A, Desai, V, Brand, K, Borys, C, Jannuzi, BT, Armus, L, Dole, H, Papovich, C, Brown, MJI, Blaylock, M, Higdon, SJU, Higdon, JL, Charmandaris, V, Ashby, MLN & Smith, HA 2009, 'Spitzer 70/160 μm observations of high-redshift ULIRGs and HyLIRGs in the Boötes field', Astrophysical Journal, vol. 691, no. 2, pp. 1846-1853. https://doi.org/10.1088/0004-637X/691/2/1846

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title = "Spitzer 70/160 μm observations of high-redshift ULIRGs and HyLIRGs in the Bo{\"o}tes field",

abstract = "We present new 70 and 160 μm observations of a sample of extremely red (R-[24] ≳ 15 mag), mid-infrared bright, high-redshift (1.7 ≲ z ≲ 2.8) galaxies. All targets detected in the far-infrared exhibit rising spectral energy distributions (SEDs) consistent with dust emission from obscured active galactic nuclei (AGNs) and/or star-forming regions in luminous IR galaxies (LIRGs). We find that the SEDs of the high-redshift sources are more similar to canonical AGN-dominated local ultraluminous IR galaxies (ULIRGs) with significant warm dust components than to typical local star-forming ULIRGs. The inferred IR (8-1000 μm) bolometric luminosities are found to be L bol 4 × 1012 L to3 × 1013 L (ULIRGs/hyper-luminous IR galaxies (HyLIRGs)), representing the first robust constraints on L bol for this class of object.",

keywords = "dust, extinction, galaxies: active, galaxies: high-redshift, galaxies: photometry, galaxies: starburst, infrared: galaxies",

author = "Tyler, {Krystal D.} and Floc'H, {Emeric Le} and Rieke, {George H.} and Arjun Dey and Vandana Desai and Kate Brand and Colin Borys and Jannuzi, {Buell T.} and Lee Armus and Herve Dole and Casey Papovich and Brown, {Michael J.I.} and Myra Blaylock and Higdon, {Sarah J.U.} and Higdon, {James L.} and Vassilis Charmandaris and Ashby, {Matthew L.N.} and Smith, {Howard A.}",

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doi = "10.1088/0004-637X/691/2/1846",

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T1 - Spitzer 70/160 μm observations of high-redshift ULIRGs and HyLIRGs in the Boötes field

AU - Tyler, Krystal D.

AU - Floc'H, Emeric Le

AU - Rieke, George H.

AU - Dey, Arjun

AU - Desai, Vandana

AU - Brand, Kate

AU - Borys, Colin

AU - Jannuzi, Buell T.

AU - Armus, Lee

AU - Dole, Herve

AU - Papovich, Casey

AU - Brown, Michael J.I.

AU - Blaylock, Myra

AU - Higdon, Sarah J.U.

AU - Higdon, James L.

AU - Charmandaris, Vassilis

AU - Ashby, Matthew L.N.

AU - Smith, Howard A.

PY - 2009/2/1

Y1 - 2009/2/1

N2 - We present new 70 and 160 μm observations of a sample of extremely red (R-[24] ≳ 15 mag), mid-infrared bright, high-redshift (1.7 ≲ z ≲ 2.8) galaxies. All targets detected in the far-infrared exhibit rising spectral energy distributions (SEDs) consistent with dust emission from obscured active galactic nuclei (AGNs) and/or star-forming regions in luminous IR galaxies (LIRGs). We find that the SEDs of the high-redshift sources are more similar to canonical AGN-dominated local ultraluminous IR galaxies (ULIRGs) with significant warm dust components than to typical local star-forming ULIRGs. The inferred IR (8-1000 μm) bolometric luminosities are found to be L bol 4 × 1012 L to3 × 1013 L (ULIRGs/hyper-luminous IR galaxies (HyLIRGs)), representing the first robust constraints on L bol for this class of object.

AB - We present new 70 and 160 μm observations of a sample of extremely red (R-[24] ≳ 15 mag), mid-infrared bright, high-redshift (1.7 ≲ z ≲ 2.8) galaxies. All targets detected in the far-infrared exhibit rising spectral energy distributions (SEDs) consistent with dust emission from obscured active galactic nuclei (AGNs) and/or star-forming regions in luminous IR galaxies (LIRGs). We find that the SEDs of the high-redshift sources are more similar to canonical AGN-dominated local ultraluminous IR galaxies (ULIRGs) with significant warm dust components than to typical local star-forming ULIRGs. The inferred IR (8-1000 μm) bolometric luminosities are found to be L bol 4 × 1012 L to3 × 1013 L (ULIRGs/hyper-luminous IR galaxies (HyLIRGs)), representing the first robust constraints on L bol for this class of object.

KW - dust, extinction

KW - galaxies: active

KW - galaxies: high-redshift

KW - galaxies: photometry

KW - galaxies: starburst

KW - infrared: galaxies

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JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

ER -

Spitzer 70/160 μm observations of high-redshift ULIRGs and HyLIRGs in the Boötes field

Abstract

Keywords

ASJC Scopus subject areas

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