Properties of star forming galaxies in AKARI Deep Field-South

doi:10.1051/0004-6361/201321665

Properties of star forming galaxies in AKARI Deep Field-South

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Properties of star forming galaxies in AKARI Deep Field-South

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Bibliographic description

punktacja MEiN [2014 A]: 35

title:	Properties of star forming galaxies in AKARI Deep Field-South
author:	Małek K., Pollo Agnieszka , Takeuchi Tsutomu T., Buat Veronique, Burgarella Denis, Malkan Matthew Arnold, Giovannoli Elodie, Kurek Aleksander , Matsuura Shuji
journal title:	Astronomy & Astrophysics
volume:	562
date of publication :	2014
article ID:	A15
ISSN:	0004-6361
eISSN:	1432-0746
DOI:	10.1051/0004-6361/201321665
notes:	Reproduced with permission from Astronomy & Astrophysics, © ESO
language:	English
journal language:	English
abstract in English:	Aims. The main aim of this work is the characterization of physical properties of galaxies detected in the far-infrared (FIR) in the AKARI Deep Field-South (ADF-S) survey. Methods. Starting from a catalog of the 1000 brightest ADF-S sources in the WIDE-S (90 μm) AKARI band, we constructed a subsample of galaxies with spectral coverage from the ultraviolet to the FIR. We then analyzed the multiwavelength properties of this 90 μm selected sample of galaxies. For galaxies without known spectroscopic redshifts we computed photometric redshifts using the codes Photometric Analysis for Redshift Estimate (Le PHARE) and Code Investigating GALaxy Emission (CIGALE), tested these photometric redshifts using spectroscopic redshifts, and compared the performances of both codes. To test the reliability of parameters obtained by fitting spectral energy distributions, a mock catalogue was generated. Results. We built a large multiwavelength catalog of more than 500 ADF-S galaxies. We successfully fitted spectral energy distributions of 186 galaxies with x^{2}_{min}< 4, and analyzed the output parameters of the fits. We conclude that our sample consists mostly of nearby actively star-forming galaxies, and all our galaxies have a relatively high metallicity. We estimated photometric redshifts for 113 galaxies from the whole ADF-S sample. Comparing the performance of Le PHARE and CIGALE, we found that CIGALE gives more reliable redshift estimates for our galaxies, which implies that including the IR photometry allows for substantial improvement of photometric redshift estimation.
keywords in English:	surveys, galaxies: evolution, galaxies: fundamental parameters, infrared: galaxies
affiliation:	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut – Obserwatorium Astronomiczne, Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
type:	journal article
subtype:	academic paper

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