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Faint HI 21-cm Emission Line Wings at Forbidden-Velocities
Ji-hyun Kang, Bon-Chul Koo
We present the results of a search for faint HI 21-cm emission line wings at velocities forbidden by Galactic rotation in the Galactic plane using the Leiden/Dwingeloo HI Survey da…
A "Missing" Supernova Remnant revealed by the 21-cm Line of Atomic Hydrogen
B-C Koo, J-h Kang, C. J. Salter
Although some 20--30,000 supernova remnants (SNRs) are expected to exist in the Milky Way, only about 230 are presently known. This implies that most SNRs are ``missing''. Recently…
HI 21 cm Emission Line Study of Southern Galactic Supernova Remnants
Bon-Chul Koo, Ji-hyun Kang, N. M. McClure-Griffiths
We have searched for HI 21 cm line emission from shocked atomic gas associated with southern supernova remnants (SNRs) using data from the Southern Galactic Plane Survey. Among the…
HI Study of Southern Galactic Supernova Remnants
Bon-Chul Koo, Ji-hyun Kang, Naomi McClure-Griffiths
We briefly summarize the survey of HI 21 cm emission lines to search for shocked atomic gas associated with Galactic supernova remnants (SNRs) in the southern sky. For G347.3-0.5,…