Chandra HETG Observations of Cas A

Details Chandra HETG Observations of Cas A Chandra HETG Observations of Cas A

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...206.5105l&link_type=abstract

American Astronomical Society Meeting 206, #51.05; Bulletin of the American Astronomical Society, Vol. 37, p.504

Astronomy and Astrophysics

Astrophysics

Scientific paper

We present results from the Chandra High Energy Transmission Grating Spectrometer observation of the young supernova remnant Cas A. High resolution X-ray spectra from distinct features/regions reveal dominant emission lines from H- and He-like silicon and sulfur, and weaker lines from magnesium, argon and calcium. We find unambiguous Doppler shifts in these lines of up to 3500 km/s generally consistant with previous studies. We present results from plasma diagnostics of individual lines and discuss plasma conditions as a function of position throughout the remnant.
This work was supported by NASA through the Smithsonian Astrophysical Observatory (SAO) contract SV3-73016 for the Chandra X-Ray Center and Science Instruments.

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