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DUSTY STARBURSTS AND THE FORMATION OF ELLIPTICAL GALAXIES: A SCUBA-2 SURVEY OF A z=1.46 CLUSTER

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DUSTY STARBURSTS AND THE FORMATION OF ELLIPTICAL GALAXIES: A SCUBA-2 SURVEY OF A z=1.46 CLUSTER. / Ma, C. -J.; Smail, Ian; Swinbank, A. M. et al.
In: The Astrophysical Journal, Vol. 806, No. 2, 257, 23.06.2015.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Ma, C-J, Smail, I, Swinbank, AM, Simpson, JM, Thomson, AP, Chen, C-C, Danielson, ALR, Hilton, M, Tadaki, K, Stott, JP & Kodama, T 2015, 'DUSTY STARBURSTS AND THE FORMATION OF ELLIPTICAL GALAXIES: A SCUBA-2 SURVEY OF A z=1.46 CLUSTER', The Astrophysical Journal, vol. 806, no. 2, 257. https://doi.org/10.1088/0004-637X/806/2/257

APA

Ma, C. -J., Smail, I., Swinbank, A. M., Simpson, J. M., Thomson, A. P., Chen, C. -C., Danielson, A. L. R., Hilton, M., Tadaki, K., Stott, J. P., & Kodama, T. (2015). DUSTY STARBURSTS AND THE FORMATION OF ELLIPTICAL GALAXIES: A SCUBA-2 SURVEY OF A z=1.46 CLUSTER. The Astrophysical Journal, 806(2), Article 257. https://doi.org/10.1088/0004-637X/806/2/257

Vancouver

Ma C-J, Smail I, Swinbank AM, Simpson JM, Thomson AP, Chen C-C et al. DUSTY STARBURSTS AND THE FORMATION OF ELLIPTICAL GALAXIES: A SCUBA-2 SURVEY OF A z=1.46 CLUSTER. The Astrophysical Journal. 2015 Jun 23;806(2):257. doi: 10.1088/0004-637X/806/2/257

Author

Ma, C. -J. ; Smail, Ian ; Swinbank, A. M. et al. / DUSTY STARBURSTS AND THE FORMATION OF ELLIPTICAL GALAXIES : A SCUBA-2 SURVEY OF A z=1.46 CLUSTER. In: The Astrophysical Journal. 2015 ; Vol. 806, No. 2.

Bibtex

@article{e636fa50155b418b822841d1d3270ec2,
title = "DUSTY STARBURSTS AND THE FORMATION OF ELLIPTICAL GALAXIES: A SCUBA-2 SURVEY OF A z=1.46 CLUSTER",
abstract = "We report the results of a deep SCUBA-2 850 and 450 mu m survey for dust-obscured ultra-luminous infrared galaxies (U/LIRGs) in the field of the z = 1.46 cluster XCS J2215.9-1738. We detect a striking overdensity of submillimeter sources coincident with the core of this cluster: similar to 3-4 x higher than expected in a blank field. We use the likely radio and mid-infrared counterparts to show that the bulk of these submillimeter sources have spectroscopic or photometric redshifts that place them in the cluster and that their multiwavelength properties are consistent with this association. The average far-infrared luminosities of these galaxies are (1.0 +/- 0.1) x 10(12) L-circle dot, placing them on the U/LIRG boundary. Using the total star formation occurring in the obscured U/LIRG population within the cluster, we show that the resulting mass-normalized star formation rate for this system supports previous claims of a rapid increase in star formation activity in cluster cores out to z similar to 1.5, which must be associated with the ongoing formation of the early-type galaxies that reside in massive clusters today.",
keywords = "galaxies: clusters: individual (XMMXCS J2215.9-1738), galaxies: evolution, galaxies: formation, DEEP FIELD SOUTH, STAR-FORMING GALAXIES, SUBMILLIMETER-SELECTED GALAXIES, ALMA SURVEY, XMMXCS J2215.9-1738, SPACE-TELESCOPE, XMMU J2235.3-2557, DENSITY RELATION, DISTANT CLUSTER, FORMATION RATES",
author = "Ma, {C. -J.} and Ian Smail and Swinbank, {A. M.} and Simpson, {J. M.} and Thomson, {A. P.} and Chen, {C. -C.} and Danielson, {A. L. R.} and M. Hilton and K. Tadaki and Stott, {J. P.} and T. Kodama",
year = "2015",
month = jun,
day = "23",
doi = "10.1088/0004-637X/806/2/257",
language = "English",
volume = "806",
journal = "The Astrophysical Journal",
issn = "0004-637X",
publisher = "Institute of Physics Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - DUSTY STARBURSTS AND THE FORMATION OF ELLIPTICAL GALAXIES

T2 - A SCUBA-2 SURVEY OF A z=1.46 CLUSTER

AU - Ma, C. -J.

AU - Smail, Ian

AU - Swinbank, A. M.

AU - Simpson, J. M.

AU - Thomson, A. P.

AU - Chen, C. -C.

AU - Danielson, A. L. R.

AU - Hilton, M.

AU - Tadaki, K.

AU - Stott, J. P.

AU - Kodama, T.

PY - 2015/6/23

Y1 - 2015/6/23

N2 - We report the results of a deep SCUBA-2 850 and 450 mu m survey for dust-obscured ultra-luminous infrared galaxies (U/LIRGs) in the field of the z = 1.46 cluster XCS J2215.9-1738. We detect a striking overdensity of submillimeter sources coincident with the core of this cluster: similar to 3-4 x higher than expected in a blank field. We use the likely radio and mid-infrared counterparts to show that the bulk of these submillimeter sources have spectroscopic or photometric redshifts that place them in the cluster and that their multiwavelength properties are consistent with this association. The average far-infrared luminosities of these galaxies are (1.0 +/- 0.1) x 10(12) L-circle dot, placing them on the U/LIRG boundary. Using the total star formation occurring in the obscured U/LIRG population within the cluster, we show that the resulting mass-normalized star formation rate for this system supports previous claims of a rapid increase in star formation activity in cluster cores out to z similar to 1.5, which must be associated with the ongoing formation of the early-type galaxies that reside in massive clusters today.

AB - We report the results of a deep SCUBA-2 850 and 450 mu m survey for dust-obscured ultra-luminous infrared galaxies (U/LIRGs) in the field of the z = 1.46 cluster XCS J2215.9-1738. We detect a striking overdensity of submillimeter sources coincident with the core of this cluster: similar to 3-4 x higher than expected in a blank field. We use the likely radio and mid-infrared counterparts to show that the bulk of these submillimeter sources have spectroscopic or photometric redshifts that place them in the cluster and that their multiwavelength properties are consistent with this association. The average far-infrared luminosities of these galaxies are (1.0 +/- 0.1) x 10(12) L-circle dot, placing them on the U/LIRG boundary. Using the total star formation occurring in the obscured U/LIRG population within the cluster, we show that the resulting mass-normalized star formation rate for this system supports previous claims of a rapid increase in star formation activity in cluster cores out to z similar to 1.5, which must be associated with the ongoing formation of the early-type galaxies that reside in massive clusters today.

KW - galaxies: clusters: individual (XMMXCS J2215.9-1738)

KW - galaxies: evolution

KW - galaxies: formation

KW - DEEP FIELD SOUTH

KW - STAR-FORMING GALAXIES

KW - SUBMILLIMETER-SELECTED GALAXIES

KW - ALMA SURVEY

KW - XMMXCS J2215.9-1738

KW - SPACE-TELESCOPE

KW - XMMU J2235.3-2557

KW - DENSITY RELATION

KW - DISTANT CLUSTER

KW - FORMATION RATES

U2 - 10.1088/0004-637X/806/2/257

DO - 10.1088/0004-637X/806/2/257

M3 - Journal article

VL - 806

JO - The Astrophysical Journal

JF - The Astrophysical Journal

SN - 0004-637X

IS - 2

M1 - 257

ER -