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Cosmological Inference from Host-Selected Type Ia Supernova Samples
Uddin, Syed A.1,2,4; Mould, Jeremy1,4; Lidman, Chris3,4; Ruhlmann-Kleider, Vanina5; Hardin, Delphine6
2017-01-31
Source PublicationPUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA
ISSN1323-3580
Volume34Pages:7
Corresponding AuthorUddin, Syed A.(saushuvo@gmail.com)
AbstractWe compare two Type Ia supernova samples that are drawn from a spectroscopically confirmed Type Ia supernova sample: a host-selected sample in which SNe Ia are restricted to those that have a spectroscopic redshift from the host; and a broader, more traditional sample in which the redshift could come from either the SN or the host. The host-selected sample is representative of SN samples that will use the redshift of the host to infer the SN redshift, long after the SN has faded from view. We find that SNe Ia that are selected on the availability of a redshift from the host differ from SNe Ia that are from the broader sample. The former tend to be redder, have narrower light curves, live in more massive hosts, and tend to be at lower redshifts. We find that constraints on the equation of state of dark energy, omega, and the matter density, Omega(M), remain consistent between these two types of samples. Our results are important for ongoing and future supernova surveys, which unlike previous supernova surveys, will have limited real-time follow-up to spectroscopically classify the SNe they discover. Most of the redshifts in these surveys will come from the hosts.
Keywordstars: supernovae: general (cosmology): dark energy
DOI10.1017/pasa.2017.2
WOS KeywordPHOTOMETRY DATA RELEASE ; DARK ENERGY SURVEY ; LEGACY SURVEY ; LIGHT CURVES ; SDSS-II ; ACCELERATING UNIVERSE ; SPECTROSCOPY ; CONSTRAINTS ; DISTANCES ; PROJECT
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000395182200003
PublisherCAMBRIDGE UNIV PRESS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23259
Collection中国科学院紫金山天文台
Corresponding AuthorUddin, Syed A.
Affiliation1.Swinburne Univ Technol, Ctr Astrophys & Supercomp, Melbourne, Vic 3122, Australia
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
3.Australian Astron Observ, N Ryde, NSW 2113, Australia
4.Univ Sydney, Australian Res Council Ctr Excellence All Sky Ast, Sch Phys, Bldg A28, Sydney, NSW 2006, Australia
5.CEA, Ctr Saclay, Irfu SPP, F-91191 Paris, France
6.Univ Paris 06, Lab Phys Nucl & Hautes Energies, 4 Pl Jussieu, Paris, France
Recommended Citation
GB/T 7714
Uddin, Syed A.,Mould, Jeremy,Lidman, Chris,et al. Cosmological Inference from Host-Selected Type Ia Supernova Samples[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA,2017,34:7.
APA Uddin, Syed A.,Mould, Jeremy,Lidman, Chris,Ruhlmann-Kleider, Vanina,&Hardin, Delphine.(2017).Cosmological Inference from Host-Selected Type Ia Supernova Samples.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA,34,7.
MLA Uddin, Syed A.,et al."Cosmological Inference from Host-Selected Type Ia Supernova Samples".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA 34(2017):7.
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