Star formation influenced by OB stars

Wen Ping Chen*
Graduate Institute of Astronomy, National Central University, Jhongli 32054, Taiwan

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Given proper conditions, a massive star can play a constructive role in producing next-generation stars, thereby sustaining the star formation activity in a giant molecular cloud. We outline here a few examples where such triggered starbirth takes place in the peripherals, and in the remnants, of a molecular cloud. A supernova shock would have an even greater influence, inducing star formation out to hundreds of parsecs.

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Keywords : stars: formation, stars: pre-main-sequence, H II regions, ISM: clouds, ISM: bubbles.