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Article: Newly discovered Wolf-Rayet and weak emission-line central stars of planetary nebulae

TitleNewly discovered Wolf-Rayet and weak emission-line central stars of planetary nebulae
Authors
KeywordsPlanetary nebulae: general
Stars: Wolf-Rayet
Issue Date2011
Citation
Monthly Notices of the Royal Astronomical Society, 2011, v. 414, n. 4, p. 2812-2827 How to Cite?
AbstractWe present the spectra of 32 previously unpublished confirmed and candidate Wolf-Rayet ([WR]) and weak emission-line (WELS) central stars of planetary nebulae (CSPNe). 18 stars have been discovered in the Macquarie/AAO/Strasbourg Hα (MASH) PN survey sample, and we have also uncovered 14 confirmed and candidate [WR]s and WELS among the CSPNe of previously known PNe. Spectral classifications have been undertaken using both Acker & Neiner and Crowther, De Marco & Barlow schemes. 22 members in this sample are identified as probable [WR]s; the remaining 10 appear to be WELS. Observations undertaken as part of the MASH spectroscopic survey have now increased the number of known [WR]s by ∼30per cent. This will permit a better analysis of [WR] subclass distribution, metallicity effects and evolutionary sequences in these uncommon objects. © 2011 The Authors Monthly Notices of the Royal Astronomical Society © 2011 RAS.
Persistent Identifierhttp://hdl.handle.net/10722/208803
ISSN
2015 Impact Factor: 4.952
2015 SCImago Journal Rankings: 2.806

 

DC FieldValueLanguage
dc.contributor.authorDePew, Kyle-
dc.contributor.authorParker, Quentin A.-
dc.contributor.authorMiszalski, Brent-
dc.contributor.authorDe Marco, Orsola-
dc.contributor.authorFrew, David J.-
dc.contributor.authorAcker, Agnes̀s-
dc.contributor.authorKovacevic, Anna V.-
dc.contributor.authorSharp, Robert-
dc.date.accessioned2015-03-23T02:01:45Z-
dc.date.available2015-03-23T02:01:45Z-
dc.date.issued2011-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, 2011, v. 414, n. 4, p. 2812-2827-
dc.identifier.issn0035-8711-
dc.identifier.urihttp://hdl.handle.net/10722/208803-
dc.description.abstractWe present the spectra of 32 previously unpublished confirmed and candidate Wolf-Rayet ([WR]) and weak emission-line (WELS) central stars of planetary nebulae (CSPNe). 18 stars have been discovered in the Macquarie/AAO/Strasbourg Hα (MASH) PN survey sample, and we have also uncovered 14 confirmed and candidate [WR]s and WELS among the CSPNe of previously known PNe. Spectral classifications have been undertaken using both Acker & Neiner and Crowther, De Marco & Barlow schemes. 22 members in this sample are identified as probable [WR]s; the remaining 10 appear to be WELS. Observations undertaken as part of the MASH spectroscopic survey have now increased the number of known [WR]s by ∼30per cent. This will permit a better analysis of [WR] subclass distribution, metallicity effects and evolutionary sequences in these uncommon objects. © 2011 The Authors Monthly Notices of the Royal Astronomical Society © 2011 RAS.-
dc.languageeng-
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society-
dc.subjectPlanetary nebulae: general-
dc.subjectStars: Wolf-Rayet-
dc.titleNewly discovered Wolf-Rayet and weak emission-line central stars of planetary nebulae-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1365-2966.2011.18337.x-
dc.identifier.scopuseid_2-s2.0-79959841751-
dc.identifier.volume414-
dc.identifier.issue4-
dc.identifier.spage2812-
dc.identifier.epage2827-
dc.identifier.eissn1365-2966-

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