The enigmatic flarings of HR2517.

Details The enigmatic flarings of HR2517. The enigmatic flarings of HR2517.

Jan 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...305..481s&link_type=abstract

Astronomy and Astrophysics, v.305, p.481

Astronomy and Astrophysics

Astrophysics

1

Stars: Flares, Be, Stars: Individual: Hr2517, Binaries: Close

Scientific paper

We report the discovery of strong flaring of the B3 II-III star HR2517. The evidence is based on Stroemgren differential uvby photometry spanning more than a decade. We discuss the behaviour of HR2517 in terms of two models, viz. a rooted bright spot suddenly appearing and developing with modulation in photospheric temperature producing periodic light and profile variations as the star rotates, or that HR2517 is a Be star in an eccentric (P~33-34d) high-mass X-ray binary (HMXB) with neutron star companion--one of the brightest such systems known.

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