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Properties and nature of Be stars 27. Orbital and recent long-term variations of the Pleiades Be star Pleione = BU Tauri
- 1.0354461 - ASÚ 2011 RIV FR eng J - Journal Article
Nemravová, J. - Harmanec, P. - Kubát, Jiří - Koubský, Pavel - Iliev, L. - Yang, S. - Ribeiro, J. - Šlechta, Miroslav - Kotková, Lenka - Wolf, M. - Škoda, Petr
Properties and nature of Be stars 27. Orbital and recent long-term variations of the Pleiades Be star Pleione = BU Tauri.
Astronomy & Astrophysics. Roč. 516, Jun-Jul (2010), A80/1-A80/10. ISSN 0004-6361. E-ISSN 1432-0746
R&D Projects: GA ČR GD205/08/H005
Grant - others:GA ČR(CZ) GA205/06/0304; GA ČR(CZ) GAP209/10/0715
Institutional research plan: CEZ:AV0Z10030501
Keywords : early-type stars * close binaries
Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics
Impact factor: 4.410, year: 2010
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.
Permanent Link: http://hdl.handle.net/11104/0193457
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