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Near-Infrared Spectra of 21 Wolf-Rayet Stars: Wind Clumping and Mass-Loss Rates

Miyata, Takashi; Motohara, Kentaro; Nishimaki, Yuichirou +2 more

We present 0.9-2.4µm spectra of 21 galactic Wolf-Rayet (WR) stars that were obtained by using an echelle spectrograph attached to the 1.5m infrared telescope in Tokyo. The observed Wolf-Rayet stars contain 12WNE, 3WNL, and 6WC stars. The near-infrared continuum spectra can be fitted by the superposition of stellar blackbody radiation with a …