Self-consistent Color–Stellar Mass-to-light Ratio Relations for Low Surface Brightness Galaxies
文献类型：期刊论文
| 作者 | Du,Wei1,2 ; McGaugh,Stacy S.2
|
| 刊名 | The Astronomical Journal
 |
| 出版日期 | 2020-08-17 |
| 卷号 | 160期号:3 |
| ISSN号 | 0004-6256 |
| 关键词 | Low surface brightness galaxies Galaxy stellar content Photometry Galaxy properties Scaling relations |
| DOI | 10.3847/1538-3881/aba754 |
| 英文摘要 | Abstract The color–stellar mass-to-light ratio relation (CMLR) is a widely accepted tool for estimating the stellar mass (M*) of a galaxy. However, an individual CMLR tends to give distinct M* for a same galaxy when it is applied in different bands. Examining five representative CMLRs from the literature, we find that the difference in M* predicted in different bands from optical to near-infrared by a CMLR is 0.1?～?0.3 dex. Based on a sample of low surface brightness galaxies that covers a wide range of color and luminosity, we therefore recalibrated each original CMLR in r, i, z, J, H, and K bands to give internally self-consistent M* for a same galaxy. The g–r is the primary color indicator in the recalibrated relations, which show little dependence on red (r–z) or near-infrared (J–K) colors. Additionally, the external discrepancies in the originally predicted γ* by the five independent CMLRs have been greatly reduced after recalibration, especially in the near-infrared bands, implying that the near-infrared luminosities are more robust in predicting γ*. For each CMLR, the recalibrated relations provided in this work could produce internally self-consistent M* from divergent photometric bands, and are extensions of the recalibrations from the Johnson–Cousin filter system by the pioneering work of McGaugh & Schombert to the filter system of the Sloan Digital Sky Survey. |
| 语种 | 英语 |
| 出版者 | The American Astronomical Society |
| WOS记录号 | IOP:0004-6256-160-3-ABA754 |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/61502]  |
| 专题 | 中国科学院国家天文台 |
| 作者单位 | 1.Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing 100101, People's Republic of China; wdu@nao.cas.cn, wxd165@case.edu 2.Department of Astronomy, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, USA |
| 推荐引用方式 GB/T 7714 | Du,Wei,McGaugh,Stacy S.. Self-consistent Color–Stellar Mass-to-light Ratio Relations for Low Surface Brightness Galaxies[J]. The Astronomical Journal,2020,160(3). |
| APA | Du,Wei,&McGaugh,Stacy S..(2020).Self-consistent Color–Stellar Mass-to-light Ratio Relations for Low Surface Brightness Galaxies.The Astronomical Journal,160(3). |
| MLA | Du,Wei,et al."Self-consistent Color–Stellar Mass-to-light Ratio Relations for Low Surface Brightness Galaxies".The Astronomical Journal 160.3(2020). |
入库方式： OAI收割
来源：国家天文台
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