Diffuse far-ultraviolet observations of the Lupus Loop region

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Diffuse far-ultraviolet emissions from the Lupus Loop region have been observed with the SPEAR/FIMS instrument. We have detected several important ionic lines, including Si II*, C IV, and N IV], which characterize the warm and hot ionized gas in this region. The spatial variations in the line intensities of Si II* and C IV have also been studied in comparison with X-ray and dust observations. The result shows that they originate from the interface between the hot gas seen in X-rays and the cooler H I shell with which dust is associated. The interface is rather diffuse, and gases with different temperatures seem to coexist in this region. A shock may exist up front in the interface, but its velocity should be very small, as no shock-related distinguishing feature is seen in H alpha.
Publisher
UNIV CHICAGO PRESS
Issue Date
2006-06
Language
English
Article Type
Article
Keywords

SUPER-NOVA REMNANTS; SCORPIO-CENTAURUS; H-I; SN-1006; MAPS; EMISSION; SPECTRA

Citation

ASTROPHYSICAL JOURNAL, v.644, pp.L189 - L192

ISSN
0004-637X
DOI
10.1086/505263
URI
http://hdl.handle.net/10203/87880
Appears in Collection
PH-Journal Papers(저널논문)
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