Eta Car and Its Surroundings: the X-ray Diagnosis

Details Eta Car and Its Surroundings: the X-ray Diagnosis Eta Car and Its Surroundings: the X-ray Diagnosis

2007-03-02

arxiv.org/abs/astro-ph/0703039v1

Astronomy and Astrophysics

Astrophysics

To be published in the proceedings of "Circumstellar Media and Late Stages of Massive Stellar Evolution"

Scientific paper

X-ray emission from the supermassive star Eta Carinae (\ec) originates from hot shocked gas produced by current stellar mass loss as well as ejecta from prior eruptive events. Absorption of this emission by cool material allows the determination of the spatial and temporal distribution of this material. Emission from the shocked gas can provide important information about abundances through the study of thermal X-ray line emission. We discuss how studies of the X-ray emission from Eta Car at a variety of temporal, spatial and spectral scales and resolutions have helped refine our knowledge of both the continuous and discrete mass loss from the system, and its interactions with more extended material around the star.

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