X-ray study on the nature of the colliding stellar winds in the massive star binary WR140
M. Ishida*,
A. Miyamoto,
Y. Maeda,
K. Hamaguchi,
Y. Sugawara,
M. Corcoran,
C. Russel and
A. Moffat*: corresponding author
Published on:
April 17, 2024
Abstract
We analysed XMM-Newton RGS data of the colliding-wind massive star binary WR140 taken over 8 years. From the line-of-sight velosity of Ne K$\alpha$ lines, we derived the distance of the Ne line-emission region from the stagnation point of the shock cone. We performed diagnostics of the electron number density with the He-like triplet of the Ne K$\alpha$ line.
DOI: https://doi.org/10.22323/1.447.0050
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