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effectsofbinaryinteractionsonthecolorevolutionofm33
Kang Xiaoyu; Zhang Fenghui; Zhang Yu
2012
Source Publicationsciencechinaphysicsmechanicsastronomy
ISSN1674-7348
Volume55Issue:8Pages:1505
AbstractIn this work, predictions of the spectral energy distribution from populations of single and binary stars are incorporated into a galactic chemical and color evolution model to explore the significance of the effects of the binary interactions on the color evolution of M33. We first constructed a model without binary interactions, and the model is able to reproduce most of the available observational constraints on the distribution of stellar parameters. We then run simulations with the same set of model parameters but with binary interactions considered. By comparing the results for the populations with and without binary interactions, we find that the inclusion of binary interactions makes the surface brightness greater (~0.1 mag arcsec 2) in FUV-band but smaller (~0.7 mag arcsec 2) in K-band, while it results in the FUV K color bluer (~0.8 mag). To reproduce the observations, a model that considers the binary interactions should make more gas fall onto the disk in the early time of the galaxy evolution, or increase the total stellar mass, or both.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/43905
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Kang Xiaoyu,Zhang Fenghui,Zhang Yu. effectsofbinaryinteractionsonthecolorevolutionofm33[J]. sciencechinaphysicsmechanicsastronomy,2012,55(8):1505.
APA Kang Xiaoyu,Zhang Fenghui,&Zhang Yu.(2012).effectsofbinaryinteractionsonthecolorevolutionofm33.sciencechinaphysicsmechanicsastronomy,55(8),1505.
MLA Kang Xiaoyu,et al."effectsofbinaryinteractionsonthecolorevolutionofm33".sciencechinaphysicsmechanicsastronomy 55.8(2012):1505.
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