FORCASTing the Spectroscopic Dust Properties of the WC+O Binary WR 137 with SOFIA

FORCASTing the Spectroscopic Dust Properties of the WC+O Binary WR 137 with SOFIA

WR 137 (HD 192641) is a binary system consisting of a carbon-rich Wolf–Rayet (W-R) star and an Oe companion star in a 13 yr orbit. Near periastron, the winds of the two stars collide and form carbonaceous dust. We obtained three mid-infrared grism spectra of the system with SOFIA and FORCAST during...

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Bibliographic Details
Main Authors:	Megan J. Peatt, Noel D. Richardson, Peredur M. Williams, Nicole Karnath, Victor I. Shenavrin, Ryan M. Lau, Anthony F. J. Moffat, Gerd Weigelt
Format:	Article
Language:	English
Published:	IOP Publishing 2023-01-01
Series:	The Astrophysical Journal
Subjects:	Wolf-Rayet stars Early-type stars Oe stars Dust formation Binary stars Stellar winds
Online Access:	https://doi.org/10.3847/1538-4357/acf201

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