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Study of emission-line stars in young open clusters


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  • Product Description

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 and 157 Be stars were identified in 42 clusters. We found 54 new Be stars in 24 open clusters, of which 19 clusters are found to house Be stars for the first time. The Classical Be stars are located all along the main sequence in the optical colour magnitude diagram of clusters of all ages. A spectroscopic study of 152 Classical Be stars in 42 young open clusters were performed using medium resolution spectra in 3800 - 9000 Å range, to understand the Be phenomenon. Stars in the B0 - B2 spectral bin are found be evolved to Be phase while others are born as Be stars. From optical/near-IR photometry and spectroscopy, we identified 3 Herbig Be and 2 Herbig Ae candidates. The star formation history of the hosting cluster were estimated by identifying pre-main sequence stars.

Product Specifications
SKU :COC27534
AuthorBlesson Mathew
Number of Pages272
Publishing Year9/23/2010
Edition1 st
Book TypePhysics
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-07-29 00:00:00