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astro-ph2000
The W4 chimney/superbubble
Magdalen Normandeau
A conical void in the Galactic HI within the Perseus arm has been proposed to be a chimney. However, Halpha data suggest that the structure may be closed at higher latitudes and th…
astro-ph2000★ 11 cited
The HI shell G132.6-0.7-25.3: A Supernova Remnant or an Old Wind-Blown Bubble?
Magdalen Normandeau, A. R. Taylor, P. E. Dewdney +1
Data from the Canadian Galactic Plane Survey reveal an abundance of HI shells and arcs in the disk of our galaxy. While their shape is suggestive of stellar winds or supernovae inf…