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dc.contributor.author
González Gaitán, S.
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Hsiao, E. Y.
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Pignata, G.
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Förster, F.
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Gutiérrez, C. P.
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Bufano, F.
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Galbany, L.
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Folatelli, Gaston
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Phillips, M. M.
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Hamuy, M.
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Anderson, J. P.
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de Jaeger, T.
dc.date.available
2017-01-05T18:30:39Z
dc.date.issued
2014-11
dc.identifier.citation
González Gaitán, S.; Hsiao, E. Y.; Pignata, G.; Förster, F.; Gutiérrez, C. P.; et al.; Defining photometric peculiar type Ia Supernovae; Iop Publishing; Astrophysical Journal; 795; 2; 11-2014
dc.identifier.issn
0004-637X
dc.identifier.uri
http://hdl.handle.net/11336/10883
dc.description.abstract
We present a new photometric identification technique for SN 1991bg-like type Ia supernovae (SNe Ia), i.e., objects with light curve characteristics such as later primary maxima and the absence of a secondary peak in redder filters. This method is capable of selecting this sub-group from the normal type Ia population. Furthermore, we find that recently identified peculiar sub-types such as SNe Iax and super-Chandrasekhar SNe Ia have photometric characteristics similar to 91bg-like SNe Ia, namely, the absence of secondary maxima and shoulders at longer wavelengths, and can also be classified with our technique. The similarity of these different SN Ia sub-groups perhaps suggests common physical conditions. This typing methodology permits the photometric identification of peculiar SNe Ia in large upcoming wide-field surveys either to study them further or to obtain a pure sample of normal SNe Ia for cosmological studies.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Iop Publishing
dc.rights
info:eu-repo/semantics/openAccess
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https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Cosmology: Miscellaneous
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Supernovae: General
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Defining photometric peculiar type Ia Supernovae
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info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-01-02T18:36:40Z
dc.identifier.eissn
1538-4357
dc.journal.volume
795
dc.journal.number
2
dc.journal.pais
Reino Unido
dc.journal.ciudad
Bristol
dc.description.fil
Fil: González Gaitán, S.. Instituto Milenio de Astrofísica; Chile. Universidad de Chile. Departamento de Astronomía; Chile
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Fil: Hsiao, E. Y.. Carnegie Observatories; Chile
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Fil: Pignata, G.. Instituto Milenio de Astrofísica; Chile. Universidad Andres Bello; Chile
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Fil: Förster, F.. Instituto Milenio de Astrofísica; Chile. Universidad de Chile. Centro de Modelamiento Matemático; Chile
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Fil: Gutiérrez, C. P.. Instituto Milenio de Astrofísica; Chile. Universidad de Chile. Departamento de Astronomía; Chile
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Fil: Bufano, F.. Instituto Milenio de Astrofísica; Chile. Universidad Andres Bello; Chile
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Fil: Galbany, L.. Instituto Milenio de Astrofísica; Chile. Universidad de Chile. Departamento de Astronomía; Chile
dc.description.fil
Fil: Folatelli, Gaston. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. University of Tokyo. Kavli Institute for the Physics and Mathematics of the Universe; Japón
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Fil: Phillips, M. M.. Carnegie Observatories; Chile
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Fil: Hamuy, M.. Instituto Milenio de Astrofísica; Chile. Universidad de Chile. Departamento de Astronomía; Chile
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Fil: Anderson, J. P.. European Southern Observatory; Chile
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Fil: de Jaeger, T.. Instituto Milenio de Astrofísica; Chile. Universidad de Chile. Departamento de Astronomía; Chile
dc.journal.title
Astrophysical Journal
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/0004-637X/795/2/142
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info:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/article/10.1088/0004-637X/795/2/142/meta
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info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1409.4811
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