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23 April 2024

» arxiv » astro-ph/0404315

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Final Analysis of ELAIS 15 $mu$m Observations : Method, Reduction and Catalogue
M. Vaccari ; C. Lari ; L. Angeretti ; D. Fadda ; C. Gruppioni ; F. Pozzi ; O. Prouton ; H. Aussel ; T. Babbedge ; P. Ciliegi ; A. Franceschini ; E. Gonzalez-Solares ; F. La Franca ; S. Oliver ; I. Perez-Fournon ; M. Rowan-Robinson ; S. Serjeant ; P. Vaisanen ;
Date:	15 Apr 2004
Journal:	Mon.Not.Roy.Astron.Soc. 358 (2005) 397-418
Subject:	astro-ph
Abstract:	We present the Final Analysis of the European Large Area ISO Survey (ELAIS) 15 $mu$m observations, carried out with the ISOCAM instrument on board the Infrared Space Observatory (ISO). The data reduction method, known as LARI method, is based on a mathematical model of the detector’s behaviour and was specifically designed for the detection of faint sources in ISO-CAM/PHOT data. The method is fully interactive and leads to very reliable and complete source lists. The resulting catalogue includes 1923 sources detected with $S/N > 5$ in the {0.5 -- 100 mJy} flux range and over an area of 10.85 {deg$^2$} split into four fields, making it the largest non-serendipitous extragalactic source catalogue obtained to date from ISO data. This paper presents the concepts underlying the data reduction method together with its latest enhancements. The data reduction process, the production and basic properties of the resulting catalogue are discussed. The catalogue quality is assessed by means of detailed simulations, optical identifications and comparison with previous analyses.
Source:	arXiv, astro-ph/0404315
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