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Large-Scale Surveys of Pulsating Stars for Studying Stellar Populations in the Inner Galaxy

Published online by Cambridge University Press:  02 August 2018

Noriyuki Matsunaga
Noriyuki Matsunaga*
Affiliation:
Department of Astronomy, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan email: matsunaga@astron.s.u-tokyo.ac.jp
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Abstract

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Surveys of pulsating stars in the inner Galaxy have been very limited, but recent large-scale surveys are rapidly bringing us new samples of various kinds of variable stars and new insights into stellar populations therein. Because of the severe interstellar extinction along the Galactic disc, the stellar populations in the inner Galaxy are more easily observed in the infrared, but even in the infrared the interstellar extinction may cause a serious problem in revealing their accurate characteristics. Here we review recent discoveries of Cepheids and Miras, two kinds of luminous pulsating stars with period–luminosity relation, in the inner Galaxy.

Keywords

stars: AGB and post-AGBstars: carbonstars: distances(stars: variables:) Cepheidsstars: variables: other(ISM:) dustextinctionGalaxy: bulgeGalaxy: discGalaxy: stellar contentGalaxy: structure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S334: Rediscovering our Galaxy , July 2017 , pp. 57 - 64
Copyright
Copyright © International Astronomical Union 2018 

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