2010MNRAS.409L..19C

Query : 2010MNRAS.409L..19C

2010MNRAS.409L..19C - Mon. Not. R. Astron. Soc., 409, L19-L24 (2010/November-3)

HerMES: SPIRE detection of high-redshift massive compact galaxies in GOODS-N field.

CAVA A., RODIGHIERO G., PEREZ-FOURNON I., BUITRAGO F., TRUJILLO I., ALTIERI B., AMBLARD A., AULD R., BOCK J., BRISBIN D., BURGARELLA D., CASTRO-RODRIGUEZ N., CHANIAL P., CIRASUOLO M., CLEMENTS D.L., CONSELICE C.J., COORAY A., EALES S., ELBAZ D., FERRERO P., FRANCESCHINI A., GLENN J., GONZALEZ SOLARES E.A., GRIFFIN M., IBAR E., IVISON R.J., MARCHETTI L., MORRISON G.E., MORTIER A.M.J., OLIVER S.J., PAGE M.J., PAPAGEORGIOU A., PEARSON C.P., POHLEN M., RAWLINGS J.I., RAYMOND G., RIGOPOULOU D., ROSEBOOM I.G., ROWAN-ROBINSON M., SCOTT D., SEYMOUR N., SMITH A.J., SYMEONIDIS M., TUGWELL K.E., VACCARI M., VALTCHANOV I., VIEIRA J.D., VIGROUX L., WANG L. and WRIGHT G.

Abstract (from CDS):

We have analysed the rest-frame far-infrared properties of a sample of massive (M*> 1011M☉) 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 (∼50-100M☉/yr) is substantially (a factor ∼3) lower than the mean value presented by disc-like galaxies (∼250-300M☉/yr).

Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS

Journal keyword(s): galaxies: evolution - galaxies: high-redshift - galaxies: star formation - infrared: galaxies

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME GOODS-N Field reg 12 36 55.0 +62 14 15           ~ 1364 1
2 NAME Extended Groth Strip reg 14 19 +52.8           ~ 1023 0

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