Wang, L;
Viero, M;
Clarke, C;
Bock, J;
Buat, V;
Conley, A;
Farrah, D;
... Zemcov, M; + view all
(2014)
HerMES: point source catalogues from Herschel-SPIRE observations II.
\mnras
, 444
2870-2883 .
10.1093/mnras/stu1569.
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Abstract
The Herschel Multi-tiered Extragalactic Survey (HerMES) is the largest Guaranteed Time Key Programme on the Herschel Space Observatory. With a wedding cake survey strategy, it consists of nested fields with varying depth and area totalling ∼380 deg2. In this paper, we present deep point source catalogues extracted from Herschel-Spectral and Photometric Imaging Receiver (SPIRE) observations of all HerMES fields, except for the later addition of the 270 deg2 HerMES Large-Mode Survey (HeLMS) field. These catalogues constitute the second Data Release (DR2) made in 2013 October. A sub-set of these catalogues, which consists of bright sources extracted from Herschel-SPIRE observations completed by 2010 May 1 (covering ∼74 deg2) were released earlier in the first extensive data release in 2012 March. Two different methods are used to generate the point source catalogues, the sussextractor point source extractor used in two earlier data releases (EDR and EDR2) and a new source detection and photometry method. The latter combines an iterative source detection algorithm, starfinder, and a De-blended SPIRE Photometry algorithm. We use end-to-end Herschel-SPIRE simulations with realistic number counts and clustering properties to characterize basic properties of the point source catalogues, such as the completeness, reliability, photometric and positional accuracy. Over 500 000 catalogue entries in HerMES fields (except HeLMS) are released to the public through the HeDAM (Herschel Database in Marseille) website (http://hedam.lam.fr/HerMES).
| Type: | Article |
|---|---|
| Title: | HerMES: point source catalogues from Herschel-SPIRE observations II |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1093/mnras/stu1569 |
| Publisher version: | http://dx.doi.org/10.1093/mnras/stu1569 |
| Additional information: | archiveprefix: arXiv primaryclass: astro-ph.GA keywords: methods: statistical, techniques: photometric, catalogues, surveys, infrared: galaxies, submillimetre: galaxies adsurl: http://adsabs.harvard.edu/abs/2014MNRAS.444.2870W adsnote: Provided by the SAO/NASA Astrophysics Data System This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society (MNRAS) ©: 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. |
| Keywords: | Methods: statistical, Techniques: photometric, Catalogues, Surveys, Infrared: galaxies, Submillimetre: galaxies |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/1451925 |
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