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      HD 48977 frequency analysis

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      Creators
      Thoul, A.
      Degroote, P.
      Catala, C.
      Aerts, C.C.
      Morel, T.
      Briquet, M.
      Hillen, M.
      Raskin, G.
      Winckel, H. van
      Auvergne, M.
      Baglin, A.
      Baudin, F.
      Michel, E.
      Date of Archiving
      2013
      Archive
      ViZieR
      Related links
      https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/551/A12
      DOI
      https://doi.org/10.26093/cds/vizier.35510012
      Related publications
      High-precision CoRoT space photometry and fundamental parameter determination of the B2.5V star HD 48977  
      Publication type
      Dataset
      Access level
      Open access
      Please use this identifier to cite or link to this item: https://hdl.handle.net/2066/117024   https://hdl.handle.net/2066/117024
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      Organization
      Astrophysics
      Audience(s)
      Astronomy, astrophysics
      Key words
      asteroseismology; stars individual: HD 48977; stars: abundances; stars: fundamental parameters - stars: oscillations; techniques: photometric
      Abstract
      We present the CoRoT light curve of the bright B2.5V star HD 48977 observed during a short run of the mission in 2008, as well as a high-resolution spectrum gathered with the HERMES spectrograph at the Mercator telescope. We use several time series analysis tools to explore the nature of the variations in the light curve. We performed a detailed analysis of the spectrum of the star to determine its fundamental parameters and its element abundances. We find a large number of high-order g-modes, and one rotationally induced frequency. We find stable low-amplitude frequencies in the p-mode regime as well.
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      • Faculty of Science [32345]
       
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