Far Ultraviolet Observations of Hot Gas in the Galaxy with SPEAR

Details Far Ultraviolet Observations of Hot Gas in the Galaxy with SPEAR Far Ultraviolet Observations of Hot Gas in the Galaxy with SPEAR

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006head....9.0767e&link_type=abstract

American Astronomical Society, HEAD meeting #9, #7.67; Bulletin of the American Astronomical Society, Vol. 38, p.360

Astronomy and Astrophysics

Astronomy

Scientific paper

The distribution of a low-density hot (10^5-10^6 K) phase of the interstellar medium conveys the character and evolution of diffuse matter in the Galaxy. This, difficult to observe component of the ISM emits mainly in the far-ultraviolet (FUV) (912-1800 A) band. We present spectral maps of FUV emission lines from highly ionized species over most of the sky and discuss the ramifications. These species are likely to exist in the hot phase of the ISM. The maps were obtained using an orbital spectrometer, SPEAR (or FIMS), that was launched in 2003 and has observed the FUV sky with a spectral resolution of 500 and an angular resolution of 10'.
Funded NASA Grant NAG 5-5355 and by the Korean Ministry of Science and Technology.

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