Hα19 in the galaxy M 33, a high-luminosity massive merging eclipsing binary

Details Hα19 in the galaxy M 33, a high-luminosity massive merging eclipsing binary Hα19 in the galaxy M 33, a high-luminosity massive merging eclipsing binary

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..272..610g&link_type=abstract

Active OB stars: structure, evolution, mass loss, and critical limits, Proceedings of the International Astronomical Union, IAU

Astronomy and Astrophysics

Astronomy

Binaries: Eclipsing, Circumstellar Matter

Scientific paper

CCD photometry reveals a hot spot on the surface of the hot accretion gainer in this supergiant O type binary with a big accretion rate. This spot is as bright as 25000 Suns. The orbital period of this system is 33.108 days. The absorption-line spectrum contains multiple lines of He I, Si III and N II. The star is associated with H II region formed by bipolar gas outflow from the system.

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