Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/5091
Title: Be phenomenon in open clusters: Results from a survey of emission-line stars in young open clusters
Authors: Mathew, B
Subramaniam, A
Bhatt, B. C
Keywords: open clusters;stars: emission-line;Be, stars;pre-main sequence
Issue Date: Feb-2010
Publisher: Institute de Astronomia
Citation: Revista Mexicana de Astronomica y Astrofisica serie de conferencias, Vol. 38, pp. 96 - 97
Abstract: Emission-line stars in young open clusters are identified to study their properties, as a function of age, spectral type and evolutionary state. 207 open star clusters were observed using slitless spectroscopy method and 157 emission stars were identified in 42 clusters. We have found 54 new emission-line stars in 24 open clusters, out of which 19 clusters are found to house emission stars for the first time. Our results indicate there could be two mechanisms responsible for the Classical Be phenomenon. Some are born Classical Be stars (fast rotators), as indicated by their presence in clusters younger than 10 Myr. Some stars evolve to Classical Be stars, witin the MS lifetime, as indicated by the enhancement in the fraction of clusters with Classical Be stars in the 20-30 Myr age bin.
URI: http://hdl.handle.net/2248/5091
???metadata.dc.rights???: © Institute de Astronomia
???metadata.dc.relation.uri???: http://adsabs.harvard.edu/abs/2010RMxAC..38...96M
Appears in Collections:IIAP Publications

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