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Article: β Cephei type variability in the ultraviolet spectrum and radial velocity of PHL 346

Titleβ Cephei type variability in the ultraviolet spectrum and radial velocity of PHL 346
Authors
KeywordsStars: AGB and post-AGB
Stars: individual: PHL 346
Stars: variables: other
Stars: early-type
Ultraviolet: stars
Issue Date1998
Citation
Monthly Notices of the Royal Astronomical Society, 1998, v. 297, n. 2, p. 565-569 How to Cite?
AbstractInternational Ultraviolet Explorer low-resolution and optical moderate-resolution spectra are presented for the high galactic latitude β Cephei type star, PHL 346. Variability is identified in both the ultraviolet flux and the radial velocity with periods and phases consistent with those previously deduced from optical photometry. The similarity of both the flux and the radial velocity amplitude to those previously reported for the β Cephei variable, γ Pegasus, is striking and provides evidence for PHL 346 being a young core hydrogen burning star. A distance estimate for PHL 346 of approximately 7 kpc (corresponding to a z-distance of approximately 6 kpc) is obtained by scaling the distance of γ Pegasus obtained from Hipparcos observations.
Persistent Identifierhttp://hdl.handle.net/10722/208825
ISSN
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DC FieldValueLanguage
dc.contributor.authorDufton, Philip L.-
dc.contributor.authorKeenan, Francis P Francis P-
dc.contributor.authorKilkenny, David J.-
dc.contributor.authorO'Donoghue, Darragh E.-
dc.contributor.authorParker, Quentin A.-
dc.contributor.authorVan Wyk, François W.-
dc.contributor.authorVan Leeuwen, Floor-
dc.date.accessioned2015-03-23T02:01:49Z-
dc.date.available2015-03-23T02:01:49Z-
dc.date.issued1998-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, 1998, v. 297, n. 2, p. 565-569-
dc.identifier.issn0035-8711-
dc.identifier.urihttp://hdl.handle.net/10722/208825-
dc.description.abstractInternational Ultraviolet Explorer low-resolution and optical moderate-resolution spectra are presented for the high galactic latitude β Cephei type star, PHL 346. Variability is identified in both the ultraviolet flux and the radial velocity with periods and phases consistent with those previously deduced from optical photometry. The similarity of both the flux and the radial velocity amplitude to those previously reported for the β Cephei variable, γ Pegasus, is striking and provides evidence for PHL 346 being a young core hydrogen burning star. A distance estimate for PHL 346 of approximately 7 kpc (corresponding to a z-distance of approximately 6 kpc) is obtained by scaling the distance of γ Pegasus obtained from Hipparcos observations.-
dc.languageeng-
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society-
dc.subjectStars: AGB and post-AGB-
dc.subjectStars: individual: PHL 346-
dc.subjectStars: variables: other-
dc.subjectStars: early-type-
dc.subjectUltraviolet: stars-
dc.titleβ Cephei type variability in the ultraviolet spectrum and radial velocity of PHL 346-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0042219385-
dc.identifier.volume297-
dc.identifier.issue2-
dc.identifier.spage565-
dc.identifier.epage569-

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