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Supergiant Shells and Hot Gas in NGC 4449

Published online by Cambridge University Press:  25 May 2016

D.J. Bomans ,
Y.-H. Chu  and
U. Hopp
D.J. Bomans
Affiliation:
Univ. of Illinois, Dept. of Astronomy, 1002 West Green St., Urbana, IL 61801, USA
Y.-H. Chu
Affiliation:
Univ. of Illinois, Dept. of Astronomy, 1002 West Green St., Urbana, IL 61801, USA
U. Hopp
Affiliation:
Universitätssternwarte München, Scheiner Str. 1, 81679 München, Germany

Extract

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Supergiant shells are the largest interstellar structures in galaxies. They are outlined by long H II filaments enclosing an inner space containing very little warm or cold gas. In the LMC, two supergiant shells have been detected in X-rays indicating the existence of hot gas: LMC 2 (Wang & Helfand 1992) and LMC 4 (Bomans et al. 1994). It is not yet clear whether the hot gas in a galactic halo is supplied by such supergiant shells.

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 171: New Light on Galaxy Evolution , 1996 , pp. 345
Copyright
Copyright © Kluwer 1996 

References

Bomans, D.J., Dennerl, K., Kürster, M. (1994), A&A L, 283, 21–25 Google Scholar
Hunter, D.A., Gallagher, J.S. (1992), ApJ L, 391, 9 Google Scholar
Wang, Q., Helfand, D.J. (1991), ApJ, 379, 327 Google Scholar