2010A&A...518L..32S

Query : 2010A&A...518L..32S

2010A&A...518L..32S - Astronomy and Astrophysics, volume 518, L32-32 (2010/7-2)

HerMES: the submillimeter spectral energy distributions of Herschel/SPIRE-detected galaxies.

SCHULZ B., PEARSON C.P., CLEMENTS D.L., ALTIERI B., AMBLARD A., ARUMUGAM V., AULD R., AUSSEL H., BABBEDGE T., BLAIN A., BOCK J., BOSELLI A., BUAT V., BURGARELLA D., CASTRO-RODRIGUEZ N., CAVA A., CHANIAL P., CONLEY A., CONVERSI L., COORAY A., DOWELL C.D., DWEK E., EALES S., ELBAZ D., FOX M., FRANCESCHINI A., GEAR W., GIOVANNOLI E., GLENN J., GRIFFIN M., HALPERN M., HATZIMINAOGLOU E., IBAR E., ISAAK K., IVISON R.J., LAGACHE G., LEVENSON L., LU N., MADDEN S., MAFFEI B., MAINETTI G., MARCHETTI L., MARSDEN G., MORTIER A.M.J., NGUYEN H.T., O'HALLORAN B., OLIVER S.J., OMONT A., PAGE M.J., PANUZZO P., PAPAGEORGIOU A., PEREZ-FOURNON I., POHLEN M., RANGWALA N., RAWLINGS J.I., RAYMOND G., RIGOPOULOU D., RIZZO D., ROSEBOOM I.G., ROWAN-ROBINSON M., SANCHEZ PORTAL M., SCOTT D., SEYMOUR N., SHUPE D.L., SMITH A.J., STEVENS J.A., SYMEONIDIS M., TRICHAS M., TUGWELL K.E., VACCARI M., VALIANTE E., VALTCHANOV I., VIGROUX L., WANG L., WARD R., WRIGHT G., XU C.K. and ZEMCOV M.

Abstract (from CDS):

We present colours of sources detected with the Herschel/SPIRE instrument in deep extragalactic surveys of the Lockman Hole, Spitzer-FLS, and GOODS-N fields in three photometric bands at 250, 350 and 500µm. We compare these with expectations from the literature and discuss associated uncertainties and biases in the SPIRE data. We identify a 500µm flux limited selection of sources from the HerMES point source catalogue that appears free from neighbouring/blended sources in all three SPIRE bands. We compare the colours with redshift tracks of various contemporary models. Based on these spectral templates we show that regions corresponding to specific population types and redshifts can be identified better in colour-flux space. The redshift tracks as well as the colour-flux plots imply a majority of detected objects with redshifts at 1<z<3.5, somewhat depending on the group of model SEDs used. We also find that a population of sources with S₂₅₀/S₃₅₀<0.8 at fluxes above 50mJy as observed by SPIRE are not well represented by contemporary models and could consist of a mix of cold and lensed galaxies.

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Journal keyword(s): submillimeter: galaxies - galaxies: evolution - galaxies: high-redshift

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 - 2024	#notes
1	NAME Lockman Hole	reg	10 45 00.0	+58 00 00						~	840	0
2	NAME GOODS-N Field	reg	12 36 55.0	+62 14 15						~	1154	1

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