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MOST reveals Spica as an Eclipsing Binary
Desmet, M.; Aerts, C.; Matthews, J. M. et al.
2009In AIP Conference Proceedings
 

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Keywords :
Cepheids; Infall; accretion; and accretion disks; Main-sequence: late-type stars
Abstract :
[en] We present a unique observational study of Spica, a binary system with a primary component of the β Cephei type. We exploit simultaneous high-resolution spectroscopic observations and high-precision photometry obtained by the MOST satellite. An important result is that the MOST photometry reveals Spica as an eclipsing binary contrary to what was quoted in the literature.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Desmet, M.;  Instituut voor Sterrenkunde, K.U.Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
Aerts, C.;  Instituut voor Sterrenkunde, K.U.Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium ; Department of Astrophysics, IMAPP, Radboud University Nijmegen, PO Box 9010, 6500 GL Nijmegen, the Netherlands
Matthews, J. M.;  Departement of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, V6T 1Z1, Canada
Cameron, C.;  Department of Astronomy and Physics, Saint Mary's University, 923 Robie street, Halifax, NS B3H 3C3, Canada ; Departement of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, V6T 1Z1, Canada
Kuschnig, R.;  Institut für Astronomie, Universität Wien, Turkenschanzstrasse 17, A-1180, Vienna, Austria
Walker, G. A. H.;  Departement of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, V6T 1Z1, Canada ; 1234 Hewlett Place, Victoria, BCV8S 4P7, Canada
Yang, S.;  Department of Physics and Astronomy, University of Victoria, Victoria, BCV8W 3P6, Canada
Bohlender, D.;  Departement of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, V6T 1Z1, Canada
Østensen, R.;  Instituut voor Sterrenkunde, K.U.Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium
Briquet, Maryline ;  Katholieke Universiteit Leuven - KUL > Physics > Institute of Astronomy
Guenther, D. B.;  Department of Astronomy and Physics, Saint Mary's University, 923 Robie street, Halifax, NS B3H 3C3, Canada
Moffat, A. F. J.;  Départment de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada
Rucinski, S.;  David Dunlap Observatory, University of Toronto, P.O. Box 360, Richmond Hill, ON L4C 4Y6, Canada
Sasselov, D.;  Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
Weiss, W. W.;  Institut für Astronomie, Universität Wien, Turkenschanzstrasse 17, A-1180, Vienna, Austria
Bradley, Paul A
More authors (6 more) Less
Language :
English
Title :
MOST reveals Spica as an Eclipsing Binary
Publication date :
01 September 2009
Event name :
STELLAR PULSATION: CHALLENGES FOR THEORY AND OBSERVATION
Event date :
from 31-05-2009 to 05-06-2009
Audience :
International
Main work title :
AIP Conference Proceedings
Pages :
376-378
Available on ORBi :
since 25 January 2013

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