Absorption Line Studies of the Elongated Cyg OB1 Superbubble

Details Absorption Line Studies of the Elongated Cyg OB1 Superbubble Absorption Line Studies of the Elongated Cyg OB1 Superbubble

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...199.6503l&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #65.03; Bulletin of the American Astronomical Society, Vol. 33, p.1407

Astronomy and Astrophysics

Astronomy

Scientific paper

The elongated Cyg OB1 superbubble may be formed by the merger of several smaller superbubbles that were produced by non-coeval evolution of the parent stellar association. We have measured high-velocity UV absorption line data from IUE, HST, and FUSE for several lines of sight to the Cyg OB1 superbubble. The UV data provide data from a wide range of ionization states for estimating temperature, density, expansion velocity, and age of the structures. Modeling a scenario of non-coeval evolution in Cyg OB1, we estimate the energy budget for a multi-superbubble structure and compare these results to the observed UV high-velocity observations. This research was supported by NASA grant NAG5-8483.

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