How many lambda Boo stars are binaries ?

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dc.creatorFaraggiana, Rosanna
dc.creatorBonifacio, Piercarlo
dc.date1999-06-01
dc.date.accessioned2026-07-07T02:31:46Z
dc.date.available2026-07-07T02:31:46Z
dc.descriptionIn the attempt to shed new light on the lambda Boo phenomenon we analyzed the astrometric, photometric and spectroscopic characteristics of stars out of a list of recently selected lambda Boo candidates. We show that the class is still ill-defined and discuss the possibility that some, if not most stars presently classified as lambda Boo, are in fact binary pairs and that peculiar abundances may not correspond to actual values if the average values of the atmospheric parameters Teff and log g are assumed and the effect of veiling is not taken into account.
dc.descriptionAccepted by A&A
dc.identifierhttps://arxiv.org/abs/astro-ph/9906009
dc.identifierhttp://arxiv.org/abs/astro-ph/9906009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/14276
dc.subjectAstrophysics
dc.titleHow many lambda Boo stars are binaries ?
dc.typetext

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