Zeta Pup: the merger of at least two massive stars

Details Zeta Pup: the merger of at least two massive stars Zeta Pup: the merger of at least two massive stars

2011-09-29

arxiv.org/abs/1109.6497v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

To be published in the proceedings of the meeting 'Four decades of research on massive stars'in honor of Tony Moffat, 11-15 Ju

Scientific paper

We first discuss the stellar and wind parameters of zeta Pup resulting from
detailed UV diagnostics. These parameters together with the runaway nature of
the star can most easily be explained by dynamical binary-binary or
binary-single star interactions in dense stellar clusters. In this case zeta
Pup is most likely the merger of at least two massive stars.

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