Is β Pictoris an Active Star?

Details Is β Pictoris an Active Star? Is β Pictoris an Active Star?

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001apj...557l..67d&link_type=abstract

The Astrophysical Journal, Volume 557, Issue 1, pp. L67-L70.

Astronomy and Astrophysics

Astronomy

18

Accretion, Accretion Disks, Stars: Circumstellar Matter, Stars: Activity, Stars: Chromospheres, Stars: Individual: Constellation Name: Β Pictoris

Scientific paper

We present the first emission-line spectrum of β Pictoris, as revealed by the Far Ultraviolet Spectroscopic Explorer satellite. Broad emission lines due to highly ionized species, C III and O VI, are well detected above the very low continuum level. The mere presence of such lines in the β Pic spectrum is evidence of a complex stellar environment, including dense and hot regions. We argue that these spectral features may originate from a solar-like extended chromosphere or from magnetospheric accretion.

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