133 citations · 2.9k across the 93 of their papers we have counts for
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astro-ph.SR2015★ 38 cited
The mass of the very massive binary WR21a
F. Tramper, H. Sana, N. E. Fitzsimons +4
We present multi-epoch spectroscopic observations of the massive binary system WR21a, which include the January 2011 periastron passage. Our spectra reveal multiple SB2 lines and f…
astro-ph.SR2015★ 48 cited
A spectroscopic investigation of the O-type star population in four Cygnus OB associations. II. Determination of the fundamental parameters
L. Mahy, G. Rauw, M. De Becker +2
Aims. Having established the binary status of nineteen O-type stars located in four Cygnus OB associations, we now determine their fundamental parameters to constrain their propert…