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X-ray Emission from Nitrogen-Type Wolf-Rayet Stars
S. L. Skinner, S. A. Zhekov, M. Guedel +2
We summarize new X-ray detections of four nitrogen-type Wolf-Rayet (WR) stars obtained in a limited survey aimed at establishing the X-ray properties of WN stars across their full…
Chandra Observations of WR147 Reveal a Double X-ray Source
Svetozar A. Zhekov, Sangwook Park
We report the first results from deep X-ray observations of the Wolf-Rayet binary system WR147 with the Chandra HETG. Analysis of the zeroth order data reveals that WR147 is a doub…
X-ray Evolution of SNR 1987A: The Radial Expansion
Judith L. Racusin, Sangwook Park, Svetozar Zhekov +3
We present the evolution of the radial expansion of SNR 1987A as measured using Chandra X-ray observations taken over the last 10 years. To characterize the complex structure of th…