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The rapid assembly of an elliptical galaxy of 400 billion solar masses at a redshift of 2.3

Hai Fu (), Asantha Cooray (), C. Feruglio, R. J. Ivison, D. A. Riechers, M. Gurwell, R. S. Bussmann, A. I. Harris, B. Altieri, H. Aussel, A. J. Baker, J. Bock, M. Boylan-Kolchin, C. Bridge, J. A. Calanog, C. M. Casey, A. Cava, S. C. Chapman, D. L. Clements, A. Conley, P. Cox, D. Farrah, D. Frayer, R. Hopwood, J. Jia, G. Magdis, G. Marsden, P. Martínez-Navajas, M. Negrello, R. Neri, S. J. Oliver, A. Omont, M. J. Page, I. Pérez-Fournon, B. Schulz, D. Scott, A. Smith, M. Vaccari, I. Valtchanov, J. D. Vieira, M. Viero, L. Wang, J. L. Wardlow and M. Zemcov
Additional contact information
Hai Fu: University of California
Asantha Cooray: University of California
C. Feruglio: Institut de RadioAstronomie Millimétrique, 300 Rue de la Piscine, Domaine Universitaire, 38406 Saint Martin d’Hères, France
R. J. Ivison: UK Astronomy Technology Centre, Royal Observatory, Edinburgh EH9 3HJ, UK
D. A. Riechers: Cornell University, 610 Space Science Building, Ithaca, New York 14853, USA
M. Gurwell: Harvard-Smithsonian Center for Astrophysics, 60 Garden Street
R. S. Bussmann: Harvard-Smithsonian Center for Astrophysics, 60 Garden Street
A. I. Harris: University of Maryland, College Park
B. Altieri: Herschel Science Centre, European Space Astronomy Centre, Villanueva de la Cañada, 28691 Madrid, Spain
H. Aussel: Laboratoire AIM-Paris-Saclay, CEA/DSM-CNRS-Université Paris Diderot, Irfu/SAp, CEA-Saclay, 91191 Gif-sur-Yvette Cedex, France
A. J. Baker: Rutgers, The State University of New Jersey, 136 Frelinghuysen Road, Piscataway, New Jersey 08854, USA
J. Bock: Jet Propulsion Laboratory, 4800 Oak Grove Drive
M. Boylan-Kolchin: University of California
C. Bridge: California Institute of Technology, 1200 East California Boulevard
J. A. Calanog: University of California
C. M. Casey: Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, Hawaii 96822, USA
A. Cava: Facultad de Ciencias Físicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain
S. C. Chapman: Dalhousie University, 6310 Coburg Road, Halifax B3H 4R2, Canada
D. L. Clements: Astrophysics Group, Imperial College London, Blackett Laboratory, Prince Consort Road, London SW7 2AZ, UK
A. Conley: Center for Astrophysics and Space Astronomy 389-UCB, University of Colorado
P. Cox: Institut de RadioAstronomie Millimétrique, 300 Rue de la Piscine, Domaine Universitaire, 38406 Saint Martin d’Hères, France
D. Farrah: Virginia Tech
D. Frayer: National Radio Astronomy Observatory (NRAO), PO Box 2
R. Hopwood: Astrophysics Group, Imperial College London, Blackett Laboratory, Prince Consort Road, London SW7 2AZ, UK
J. Jia: University of California
G. Magdis: University of Oxford, Keble Road, Oxford OX1 3RH, UK
G. Marsden: University of British Columbia, 6224 Agricultural Road, Vancouver, British Columbia V6T 1Z1, Canada
P. Martínez-Navajas: Instituto de Astrofísica de Canarias (IAC), E-38200 La Laguna, Tenerife, Spain
M. Negrello: INAF—Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, I-35122 Padova, Italy
R. Neri: Institut de RadioAstronomie Millimétrique, 300 Rue de la Piscine, Domaine Universitaire, 38406 Saint Martin d’Hères, France
S. J. Oliver: Astronomy Centre, University of Sussex, Brighton BN1 9QH, UK
A. Omont: Institut d’Astrophysique de Paris, UMR 7095, CNRS, UPMC Université Paris 06, 98bis boulevard Arago, F-75014 Paris, France
M. J. Page: Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking, Surrey RH5 6NT, UK
I. Pérez-Fournon: Instituto de Astrofísica de Canarias (IAC), E-38200 La Laguna, Tenerife, Spain
B. Schulz: Infrared Processing and Analysis Center, MS 100-22, California Institute of Technology, Jet Propulsion Laboratory, Pasadena, California 91125, USA
D. Scott: University of British Columbia, 6224 Agricultural Road, Vancouver, British Columbia V6T 1Z1, Canada
A. Smith: Astronomy Centre, University of Sussex, Brighton BN1 9QH, UK
M. Vaccari: Astrophysics Group, University of the Western Cape, Private Bag X17, Bellville 7535, Cape Town, South Africa
I. Valtchanov: Herschel Science Centre, European Space Astronomy Centre, Villanueva de la Cañada, 28691 Madrid, Spain
J. D. Vieira: California Institute of Technology, 1200 East California Boulevard
M. Viero: California Institute of Technology, 1200 East California Boulevard
L. Wang: Astronomy Centre, University of Sussex, Brighton BN1 9QH, UK
J. L. Wardlow: University of California
M. Zemcov: Jet Propulsion Laboratory, 4800 Oak Grove Drive

Nature, 2013, vol. 498, issue 7454, 338-341

Abstract: An observation of a rare merger of two massive submillimetre bright galaxies that is forming stars at an unexpectedly high rate of 2,000 solar masses a year shows that such mergers can indeed form the most massive elliptical galaxies by about redshift 1.5.

Date: 2013
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DOI: 10.1038/nature12184

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