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Spectral Variations and Simple Models of FS CMa

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    0485424 - ASÚ 2018 RIV US eng C - Conference Paper (international conference)
    Křiček, R. - Korčáková, D. - Jeřábková, T. - Klement, R. - Miroshnichenko, A. S. - Danford, S. - Kubát, Jiří - Kučerová, B. - Škoda, Petr - Šlechta, Miroslav
    Spectral Variations and Simple Models of FS CMa.
    B(e) Phenomenon: Forty Years of Studies. San Francisco: Astronomical Society of the Pacific, 2017, s. 411-412. ASP Conference Series, 508. ISBN 9781583819005.
    [B[e] Phenomenon: Forty Years of Studies. Prague (CZ), 27.06.2016-01.07.2016]
    Institutional support: RVO:67985815
    Keywords : spectral line parameters * ionic density * line formation
    OECD category: Astronomy (including astrophysics,space science)

    Investigation of FS CMa type objects is difficult due to a lack of systematic observations. We present a study of the group prototype, FS CMa, based on a long-term observational campaign. Our unique set of spectra obtained in 2005-2013 allows to study line formation in various parts of the circumstellar environments. We observed both short- and long-term changes in several spectral line parameters. We estimated the ionic density from the observations of the Balmer jump region and used it in modeling the spectral energy distribution (SED) and H.alpha. profile.
    Permanent Link: http://hdl.handle.net/11104/0280450

     
     
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