The luminous O-type star BD +60°2522 is embedded in the extended H II region S 162. Part of S 162 is NGC 7635, the striking spherically symmetric bubble nebula surrounding BD +60°2522. The authors conclude that the molecular cloud and the dust detected at the knots and around the star is not physically associated with the bubble itself but is together with BD +60°2522 part of the large star forming region S 162.
Mitteilungen der Astronomischen Gesellschaft Hamburg
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