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Dependence of low redshift Type Ia Supernovae luminosities on host galaxies
Liang Wenke; Wang Jiancheng
2013
Source PublicationResearch in Astronomy and Astrophysics
ISSN1674-4527
Volume13Issue:9Pages:1087
AbstractWe study the relation between Type Ia Supernovae (SNe Ia) and properties of their host galaxies using a large sample with low redshift. By examining the Hubble residuals of the entire sample from the best-fit cosmology, we show that SNe Ia in passive hosts are brighter than those in star-forming hosts after light curve correction at the 2.1σ confidence level. We find that SNe Ia in high luminosity hosts are brighter after light-curve correction at the > 3σ confidence level. We also find that SNe Ia in large galaxies are brighter after light-curve correction at the ≥2σ confidence level. We demonstrate that the residuals depend linearly on host luminosity at a confidence of 4σ or host size at a confidence of 3.3σ.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/38139
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
Liang Wenke,Wang Jiancheng. Dependence of low redshift Type Ia Supernovae luminosities on host galaxies[J]. Research in Astronomy and Astrophysics,2013,13(9):1087.
APA Liang Wenke,&Wang Jiancheng.(2013).Dependence of low redshift Type Ia Supernovae luminosities on host galaxies.Research in Astronomy and Astrophysics,13(9),1087.
MLA Liang Wenke,et al."Dependence of low redshift Type Ia Supernovae luminosities on host galaxies".Research in Astronomy and Astrophysics 13.9(2013):1087.
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