C IV EMISSION-LINE DETECTION OF THE SUPERNOVA REMNANT RCW 114

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We report the detection of the C IV lambda lambda 1548,1551 emission line in the region of the RCW 114 nebula using the FIMS/SPEAR data. The observed CIV line intensity indicates that RCW 114 is much closer to us than WR 90, a Wolf-Rayet star that was thought to be associated with RCW 114 in some of the previous studies. We also found the existence of a small H I bubble centered on WR 90, with a different local standard of rest velocity range from that of the large H I bubble which was identified previously as related to RCW 114. These findings imply that the RCW 114 nebula is likely an old supernova remnant that is not associated with WR 90. Additionally, the global morphologies of the C IV, H alpha, and H I emissions show that RCW 114 has evolved in a non-uniform interstellar medium.
Publisher
IOP PUBLISHING LTD
Issue Date
2010-02
Language
English
Article Type
Article
Citation

ASTROPHYSICAL JOURNAL, v.709, no.2, pp.823 - 831

ISSN
0004-637X
DOI
10.1088/0004-637X/709/2/823
URI
http://hdl.handle.net/10203/93527
Appears in Collection
PH-Journal Papers(저널논문)
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