Massive Binary Mergers: A Unique Scenario for the sgB[e] Phenomenon?

Details Massive Binary Mergers: A Unique Scenario for the sgB[e] Phenomenon? Massive Binary Mergers: A Unique Scenario for the sgB[e] Phenomenon?

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..355..259p&link_type=abstract

Stars with the B[e] Phenomenon. ASP Conference Series, Vol. 355, Proceedings of the Conference Held 10-16 July, 2005, at the Isl

Astronomy and Astrophysics

Astronomy

10

Scientific paper

At least 10% of all massive stars are expected to merge with a binary companion during their evolution, producing an initially rapidly rotating merged object. These merger products are excellent candidates for B[e] supergiants. In this review we summarize the different types of mergers and show that the merger rate is compatible with the B[e] supergiant formation rate. We then apply the merger paradigm to various observed systems that have been suspected or proposed to be merged systems: the progenitor of SN 1987A, Sheridan 25, the B[e] supergiant R4 and η Carinae.

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