Spectral Line Imaging Observations of 1E0102.2-7219

Details Spectral Line Imaging Observations of 1E0102.2-7219 Spectral Line Imaging Observations of 1E0102.2-7219

2001-05-02

arxiv.org/abs/astro-ph/0105038v1

Astronomy and Astrophysics

Astrophysics

To appear in "Young Supernova Remnants" (11th Annual Astrophysics Conference in Maryland), S. S. Holt & U. Hwang (eds), AIP, N

Scientific paper

10.1063/1.1377099

E0102-72 is the second brightest X-ray source in the Small Magellanic Cloud and the brightest supernova remnant in the SMC. We observed this SNR for ~140 ksec with the High Energy Transmission Gratings (HETG) aboard the Chandra X-ray Observatory. The small angular size and high surface brightness make this an excellent target for HETG and we resolve the remnant into individual lines. We observe fluxes from several lines which include O VIII Ly$\alpha$, Ly$\beta$, and O VII along with several lines from Ne X, Ne IX and Mg XII. These line ratios provide powerful constraints on the electron temperature and the ionization age of the remnant.

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