NAOC Open IR
thepropertiesofalargevolumelimitedsampleoffaceonlowsurfacebrightnessdiskgalaxies
Zhong Guohu1; Liang Yanchun1; Liu Fengshan2; Francois Hammer3; Karen Disseau3; Deng Licai1
2012
Source Publicationresearchinastronomyandastrophysics
ISSN1674-4527
Volume012Issue:011Pages:1486
AbstractWe select a large volume-limited sample of low surface brightness galax- ies (LSBGs, 2021) to investigate in detail their statistical properties and their dif- ferences from high surface brightness galaxies (HSBGs, 3639). The distributions of stellar masses of LSBGs and HSBGs are nearly the same and they have the same me- dian values. Thus this volume-limited sample has good completeness and is further removed from the effect of stellar masses on their other properties when we compare LSBGs to HSBGs. We found that LSBGs tend to have lower stellar metallicities and lower effective dust attenuations, indicating that they have lower dust than HSBGs. The LSBGs have relatively higher stellar mass-to-light ratios, higher gas fractions, lower star forming rates (SFRs), and lower specific SFRs than HSBGs. Moreover, with the decreasing surface brightness, gas fraction increases, but the SFRs and spe- cific SFRs decrease rapidly for the sample galaxies. This could mean that the star formation histories between LSBGs and HSBGs are different, and HSBGs may have stronger star forming activities than LSBGs.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/47657
Collection中国科学院国家天文台
Affiliation1.中国科学院国家天文台
2.沈阳师范大学
3.GEPI, Observatoire de Paris-Meudon
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhong Guohu,Liang Yanchun,Liu Fengshan,et al. thepropertiesofalargevolumelimitedsampleoffaceonlowsurfacebrightnessdiskgalaxies[J]. researchinastronomyandastrophysics,2012,012(011):1486.
APA Zhong Guohu,Liang Yanchun,Liu Fengshan,Francois Hammer,Karen Disseau,&Deng Licai.(2012).thepropertiesofalargevolumelimitedsampleoffaceonlowsurfacebrightnessdiskgalaxies.researchinastronomyandastrophysics,012(011),1486.
MLA Zhong Guohu,et al."thepropertiesofalargevolumelimitedsampleoffaceonlowsurfacebrightnessdiskgalaxies".researchinastronomyandastrophysics 012.011(2012):1486.
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