Cava, A. and Bock, J. and Cooray, A. and Vieira, J. D. (2010) HerMES: SPIRE detection of high-redshift massive compact galaxies in GOODS-N field. Monthly Notices of the Royal Astronomical Society, 409 (1). L19-L24. ISSN 0035-8711. http://resolver.caltech.edu/CaltechAUTHORS:20110511-082509908
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We have analysed the rest-frame far-infrared properties of a sample of massive (M_★ > 10^(11) M_⊙) galaxies at 2 ≲ z ≲ 3 in the Great Observatories Origins Deep Survey-North (GOODS-N) field using the Spectral and Photometric Imaging Receiver (SPIRE) instrument aboard the Herschel Space Observatory. To conduct this analysis we take advantage of the data from the Herschel Multi-tiered Extragalactic Survey (HerMES) key programme. The sample comprises 45 massive galaxies with structural parameters characterized with HST NICMOS-3. We study detections at submm Herschel bands, together with Spitzer 24-μm data, as a function of the morphological type, mass and size. We find that 26/45 sources are detected at MIPS 24 μm and 15/45 (all MIPS 24-μm detections) are detected at SPIRE 250 μm, with disc-like galaxies more easily detected. We derive star formation rates (SFRs) and specific star formation rates (sSFRs) by fitting the spectral energy distribution of our sources, taking into account non-detections for SPIRE and systematic effects for MIPS derived quantities. We find that the mean SFR for the spheroidal galaxies (~50–100 M_⊙ yr^(−1)) is substantially (a factor ~3) lower than the mean value presented by disc-like galaxies (~250–300 M_⊙ yr^(−1)).
|Additional Information:||© 2010 The Authors. Journal compilation © 2010 RAS. Accepted 2010 October 1. Received 2010 August 22; in original form 2010 July 16. Article first published online: 25 Oct 2010. Special thanks to E. Ricciardelli, J. Fritz and J.M. Varela-Lopez for useful discussions and technical support. The data presented in this Letter will be released through the Herschel data base in Marseille HeDaM (hedam.oamp.fr/herMES). SPIRE has been developed by a consortium of institutes led by Cardiff University (UK) and including University of Lethbridge (Canada); NAOC (China); CEA, LAM (France); IFSI, University of Padua (Italy); IAC (Spain); Stockholm Observatory (Sweden); Imperial College London, RAL, UCLMSSL, UKATC, University of Sussex (UK); Caltech, JPL, NHSC, University Colorado (USA). This development has been supported by national funding agencies: CSA (Canada); NAOC (China); CEA, CNES, CNRS (France); ASI (Italy); MCINN (Spain); SNSB (Sweden); STFC (UK) and NASA (USA). AC acknowledges a grant from the Spanish MCINN: ESP2007-65812-C02-02.|
|Subject Keywords:||galaxies: evolution; galaxies: high-redshift; galaxies: star formation; infrared: galaxies|
|Official Citation:||HerMES: SPIRE detection of high-redshift massive compact galaxies in GOODS-N field (pages L19–L24) A. Cava, G. Rodighiero, I. Pérez-Fournon, F. Buitrago, I. Trujillo, B. Altieri, A. Amblard, R. Auld, J. Bock, D. Brisbin, D. Burgarella, N. Castro-Rodríguez, P. Chanial, M. Cirasuolo, D. L. Clements, C. J. Conselice, A. Cooray, S. Eales, D. Elbaz, P. Ferrero, A. Franceschini, J. Glenn, E. A. González Solares, M. Griffin, E. Ibar, R. J. Ivison, L. Marchetti, G. E. Morrison, A. M. J. Mortier, S. J. Oliver, M. J. Page, A. Papageorgiou, C. P. Pearson, M. Pohlen, J. I. Rawlings, G. Raymond, D. Rigopoulou, I. G. Roseboom, M. Rowan-Robinson, D. Scott, N. Seymour, A. J. Smith, M. Symeonidis, K. E. Tugwell, M. Vaccari, I. Valtchanov, J. D. Vieira, L. Vigroux, L. Wang and G. Wright Article first published online: 25 OCT 2010 | DOI: 10.1111/j.1745-3933.2010.00964.x|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||11 May 2011 16:53|
|Last Modified:||09 Nov 2012 23:45|
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