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| Paper: |
The young open cluster Be 87 and its associated Wolf-Rayet star as a possible source of gamma-rays |
| Volume: |
13, The Formation and Evolution of Star Clusters |
| Page: |
173 |
| Authors: |
Phelps, Randy L.; Janes, Kenneth A. |
| Abstract: |
We present a model to explain the observed gamma-ray flux from the direction of the young open cluster Be 87. Previous photometry of Be 87 has shown an intervening 'cloud' to be present, possibly associated with Be 87 and the ON2 star formation region. The presence of stellar winds and likely shocks from numerous early-type stars, particularly the WO class Wolf-Rayet star ST3 in or near Be 87, provides a source of cosmic rays for the production of the observed gamma-ray flux by the interaction of the stellar winds with the foreground cloud. The model also supports the photometric assignment of membership of ST3 with Be 87 and argues for a distance of about 946 pc for the ON2 region. |
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