Structural parameters of the hot pulsating B subdwarf Feige 48 from asteroseismology

Author

CHARPINET, S¹ ; FONTAINE, G² ; BRASSARD, P² ; BILLERES, M³ ; GREEN, E. M⁴ ; CHAYER, P^{5 6}
[1] UMR 5572, Université Paul Sabatier et CNRS, Observatoire Midi-Pyrénées, 14 Av. E. Belin, 31400 Toulouse, France
[2] Département de Physique, Université de Montréal, C.P. 6128, Succursale Centre-Ville, Montréal QC, H3C 3J7, Canada
[3] European Southern Observatory, Santiago Headquarters, Av. A. de Cordova 3107, Vitacura, Casilla 19001, Santiago, Chile
[4] Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, United States
[5] Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218-2686, United States
[6] Department of Physics and Astronomy, University of Victoria, PO Box 3055, Victoria, BC V8W 3P6, Canada

Source

Astronomy and astrophysics (Berlin. Print). 2005, Vol 443, Num 1, pp 251-269, 19 p ; ref : 36 ref

CODEN

AAEJAF

ISSN

0004-6361

Scientific domain

Astronomy earth cosmic environment

Publisher

EDP Sciences, Les Ulis

Publication country

France

Document type

Article

Language

English

Author keyword

stars: individual: Feige 48 stars: interiors stars: oscillations stars: subdwarfs

Keyword (fr)

Analyse Fourier Astéroséismologie Courbe lumière Etoile B Etoile branche horizontale Etoile variable pulsante Instabilité Magnitude absolue Modèle atmosphère Modèle standard Métallicité Observation photométrique Observation spectroscopique Rapport signal bruit Rotation stellaire Sous naine Spectre optique Structure fine Télescope miroirs multiples

Keyword (en)

Fourier analysis Astroseismology Light curves B stars Horizontal-branch stars Pulsating variable stars Instability Absolute magnitude Atmosphere model Standard model Metallicity Photometric observation Spectroscopical observation Signal-to-noise ratio Stellar rotation Subdwarf Optical spectrum Fine structure Multiple mirror telescopes

Keyword (es)

Magnitud absoluta Modelo atmósfera Metalicidad Observación fotométrica Observación espectroscópica Subenana Espectro óptico

Discipline

Astronomy

Origin

Inist-CNRS

Database

PASCAL

INIST identifier

17230462

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