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The subluminous and peculiar Type Ia supernova PTF09dav

Abstract:

PTF09dav is a peculiar subluminous Type Ia supernova (SN) discovered by the Palomar Transient Factory (PTF). Spectroscopically, it appears superficially similar to the class of subluminous SN1991bg-like SNe, but it has several unusual features which make it stand out from this population. Its peak luminosity is fainter than any previously discovered SN1991bg-like SN Ia (M B ∼ -15.5), but without the unusually red optical colors expected if the faint luminosity were due to extinction. The phot...

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Publisher copy:
10.1088/0004-637X/732/2/118

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Journal:
Astrophysical Journal
Volume:
732
Issue:
2
Publication date:
2011-05-10
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
URN:
uuid:69f3a204-d971-464c-80c9-1ed180c64107
Source identifiers:
167289
Local pid:
pubs:167289

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