LETGS observations of delta Orionis: A collisional ionization equilibrium model

Details LETGS observations of delta Orionis: A collisional ionization equilibrium model LETGS observations of delta Orionis: A collisional ionization equilibrium model

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1248...21r&link_type=abstract

X-RAY ASTRONOMY 2009; PRESENT STATUS, MULTI-WAVELENGTH APPROACH AND FUTURE PERSPECTIVES: Proceedings of the International Confer

Astronomy and Astrophysics

Astronomy

Giant Stars, X-Ray Spectroscopy, Star Formation, Stellar Structure, Giant And Subgiant Stars, X-Ray, Star Formation, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages

Scientific paper

We present results of the analysis of the X-ray spectrum of the giant O-star δ Orionis (O9.5II), observed in the wavelength range 5-175 A˚ by the X-ray detector HRC-S in combination with the grating LETG on-board Chandra. We report on the Temperatures, Emission measures, variability in the stellar wind, and the distance of the X-ray emitting plasma to the stellar surface.

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