Star formation in and around young star clusters associated with Hii regions

A. K. Pandey*
Aryabhatta Research Institute of Observational Sciences, Nainital 263129, India

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We are pursuing multi-wavelength studies of young star clusters associated with Hii regions to understand the star formation scenario. The young stellar objects (YSOs) in these regions were identified using the near/ mid-infrared colours, slitless spectroscopy and X-ray observations. The optical colour-magnitude diagram of the YSOs indicates that the majority of these objects have ages between 1 Myr to 5 Myr, indicating a non-coeval star formation in the clusters. There is evidence for triggered star formation at the periphery of cluster regions.

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Keywords : Star: formation: star clusters