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3.20. OH/IR stars as signposts for ancient starburst activity in the Galactic center
Published online by Cambridge University Press: 25 May 2016
Extract
We have surveyed the Galactic center (GC) for OH/IR stars, evolved late-type stars of different masses - and thus ages - in a short-lived stage of heavy mass-loss. By observing the 1612 MHz OH masers generated in their circumstellar shells, it is found that a considerable fraction of these OH/IR stars has the same high-valued shell expansion velocity of 19 km s−1.
- Type
- Part I. Stellar Cluster, Star Formation
- Information
- Symposium - International Astronomical Union , Volume 184: The Central Regions of the Galaxy and Galaxies , 1998 , pp. 129 - 130
- Copyright
- Copyright © Kluwer 1998
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