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Bayesian analysis of galaxy spectral energy distributions with BayeSED

Published online by Cambridge University Press:  17 July 2013

Yunkun Han  and
Zhanwen Han
Yunkun Han
Affiliation:
National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, 100012, Beijing, China email: [email protected] Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011, Kunming, China email: [email protected]
Zhanwen Han
Affiliation:
National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, 100012, Beijing, China email: [email protected] Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011, Kunming, China email: [email protected]
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Abstract

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In Han & Han (2012), we have preliminarily built BayeSED and applied it to a sample of hyperluminous infrared galaxies. The physically reasonable results obtained from Bayesian model comparison and parameter estimation show that BayeSED could be a useful tool for understanding the nature of complex systems, such as dust obscured starburst-AGN composite galaxies, from decoding their complex SEDs. In this contribution, we present a more rigorous test of BayeSED by making a mock catalog from model SEDs with the value of all parameters to be known in advance.

Keywords

galaxies: activegalaxies: ISMmethods: data analysismethods: statistical
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S295: The intriguing life of massive galaxies , August 2012 , pp. 312
Copyright
Copyright © International Astronomical Union 2013 

References

Han, Y. & Han, Z. 2012, ApJ, 749, 123Google Scholar