Properties and nature of Be stars 27. Orbital and recent long-term variations of the Pleiades Be star Pleione = BU Tauri

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SYSNO ASEP	0354461
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Properties and nature of Be stars 27. Orbital and recent long-term variations of the Pleiades Be star Pleione = BU Tauri
Author(s)	Nemravová, J. (CZ) Harmanec, P. (CZ) Kubát, Jiří (ASU-R)_{RID, ORCID} Koubský, Pavel (ASU-R)_{RID, ORCID} Iliev, L. (BG) Yang, S. (CA) Ribeiro, J. (PT) Šlechta, Miroslav (ASU-R)_{RID, ORCID} Kotková, Lenka (ASU-R) Wolf, M. (CZ) Škoda, Petr (ASU-R)_{RID, ORCID}
Source Title	Astronomy & Astrophysics. - : EDP Sciences - ISSN 0004-6361 Roč. 516, Jun-Jul (2010), A80/1-A80/10
Number of pages	10 s.
Language	eng - English
Country	FR - France
Keywords	early-type stars ; close binaries
Subject RIV	BN - Astronomy, Celestial Mechanics, Astrophysics
R&D Projects	GD205/08/H005 GA ČR - Czech Science Foundation (CSF)
CEZ	AV0Z10030501 - ASU-R (2005-2011)
UT WOS	000280275400095
DOI	10.1051/0004-6361/200913885
Annotation	We find that the full width at half maximum of the Hα profile has been decreasing with time for both envelopes. In this connection, we briefly discuss Hirata's hypothesis of precessing gaseous disk and possible alternative scenarios of the observed long-term changes.
Workplace	Astronomical Institute
Contact	Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326
Year of Publishing	2011

Number of the records: 1