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Title: Young stellar population of bright-rimmed clouds BRC 5, BRC 7 and BRC 39
Authors: Panwar, N
Chen, W. P
Pandey, A. K
Samal, M. R
Ogura, K
Ojha, D. K
Jose, J
Bhatt, B. C
Keywords: Stars: formation;Stars: pre-main-sequence;ISM: clouds;H ii regions;Infrared: ISM
Issue Date: 11-Sep-2014
Publisher: Oxford University Press on behalf of the Royal Astronomical Society
Citation: Monthly Notices of the Royal Astronomical Society, Vol. 443, No. 2, pp. 1614-1628
Abstract: Bright-rimmed clouds (BRCs), illuminated and shaped by nearby OB stars, are potential sites of recent/ongoing star formation. Here we present an optical and infrared photometric study of three BRCs: BRC 5, BRC 7 and BRC 39 to obtain a census of the young stellar population, thereby inferring the star formation scenario, in these regions. In each BRC, the Class I sources are found to be located mostly near the bright rim or inside the cloud, whereas the Class II sources are preferentially outside, with younger sources closer to the rim. This provides strong support to sequential star formation triggered by radiation-driven implosion due to the ultraviolet radiation. Moreover, each BRC contains a small group of young stars being revealed at its head, as the next-generation stars. In particular, the young stars at the heads of BRC 5 and BRC 7 are found to be intermediate-/high-mass stars, which, under proper conditions, may themselves trigger further star birth, thereby propagating star formation out to long distances.
Description: Restricted Access
ISSN: 1365-2966
???metadata.dc.rights???: © Royal Astronomical Society
Appears in Collections:Publications based on data from IAO, Hanle
IIAP Publications

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