A technique for estimation of starburst masses and ages in luminous compact galaxies

被引：2

作者：

Parnovsky, S. L. ^{[1
]}

Izotova, I. Y. ^{[1
]}

机构：

[1] Taras Shevchenko Kyiv Natl Univ, Astron Observ, UA-04053 Kiev, Ukraine

来源：

ASTROPHYSICS AND SPACE SCIENCE | 2013年 / 348卷 / 01期

基金：

美国国家科学基金会; 美国国家航空航天局;

关键词：

Galaxies: starburst; Galaxies: star formation; Galaxies; STAR-FORMATION; ABUNDANCES;

D O I：

10.1007/s10509-013-1554-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We propose a technique for estimation of the mass m of the young stellar population and the starburst age T in luminous compact galaxies (LCGs). For this purpose we use LCG H alpha emission line luminosities from the Sloan Digital Sky Survey (SDSS) spectra and Galaxy Evolution Explorer (GALEX) FUV and NUV continuum luminosities. The method is intended for quick estimation of m and T in large galaxy samples and does not require spectral energy distribution (SED) fitting. Estimated m and T for the sample of about 550 LCGs are compared with the same values derived from the SED fitting in the wavelength range lambda lambda 3800-9200 . We obtain the average differences in logm and T of 0.27 and 0.87 Myr, respectively. This technique could be used for selection of galaxies with desired ranges of m and T or for reducing a range of parameter variations in SED fitting.

引用

页码：199 / 209

页数：11

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