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Conference Paper: A search for type Ia supernova progenitors: The central stars of the planetary nebulae NGC 2392 and NGC 6026

TitleA search for type Ia supernova progenitors: The central stars of the planetary nebulae NGC 2392 and NGC 6026
Authors
KeywordsPlanetary nebulae: individual (NGC 2392 & NGC 6026) - supernovae: general
Issue Date2011
Citation
Proceedings of the International Astronomical Union, 2011, v. 7, n. S281, p. 221-222 How to Cite?
AbstractWe use photoionization modeling to assess the binary nature of the central stars of NGC 2392 and NGC 6026. If they are close binaries, they are potential Type Ia supernovae (SNe Ia) progenitors if the total mass exceeds the Chandrasekhar limit. We show that the nucleus of NGC 2392 likely has a hot, massive (≃1 M⊙) white dwarf companion, and a total mass of ~1.6 M⊙, making it an especially interesting system. The binary mass in NGC 6026 is less, ~1.1 M⊙. Even though its orbital period is short, it is not considered to be an SNe Ia progenitor. Copyright © International Astronomical Union 2013.
Persistent Identifierhttp://hdl.handle.net/10722/209012
ISSN
2015 SCImago Journal Rankings: 0.105

 

DC FieldValueLanguage
dc.contributor.authorDanehkar, Ashkbiz-
dc.contributor.authorFrew, David J.-
dc.contributor.authorDemarco, Orsola-
dc.contributor.authorParker, Quentin A.-
dc.date.accessioned2015-03-23T02:31:09Z-
dc.date.available2015-03-23T02:31:09Z-
dc.date.issued2011-
dc.identifier.citationProceedings of the International Astronomical Union, 2011, v. 7, n. S281, p. 221-222-
dc.identifier.issn1743-9213-
dc.identifier.urihttp://hdl.handle.net/10722/209012-
dc.description.abstractWe use photoionization modeling to assess the binary nature of the central stars of NGC 2392 and NGC 6026. If they are close binaries, they are potential Type Ia supernovae (SNe Ia) progenitors if the total mass exceeds the Chandrasekhar limit. We show that the nucleus of NGC 2392 likely has a hot, massive (≃1 M⊙) white dwarf companion, and a total mass of ~1.6 M⊙, making it an especially interesting system. The binary mass in NGC 6026 is less, ~1.1 M⊙. Even though its orbital period is short, it is not considered to be an SNe Ia progenitor. Copyright © International Astronomical Union 2013.-
dc.languageeng-
dc.relation.ispartofProceedings of the International Astronomical Union-
dc.subjectPlanetary nebulae: individual (NGC 2392 & NGC 6026) - supernovae: general-
dc.titleA search for type Ia supernova progenitors: The central stars of the planetary nebulae NGC 2392 and NGC 6026-
dc.typeConference_Paper-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1017/S1743921312015074-
dc.identifier.scopuseid_2-s2.0-84872702356-
dc.identifier.volume7-
dc.identifier.issueS281-
dc.identifier.spage221-
dc.identifier.epage222-
dc.identifier.eissn1743-9221-

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