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Browsing by Subject "Open clusters and associations"

Browsing by Subject "Open clusters and associations"

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  • Comprehensive abundance analysis of red giants in the open clusters NGC 752, 1817, 2360 and 2506 
    Reddy, A. B. S; Giridhar, S; Lambert, D. L (Wiley-Blackwell, 2012-01)
    We have analysed high-dispersion echelle spectra (R ≳ 50 000) of red giant members for four open clusters to derive abundances for many elements. The spread in temperatures and gravities being very small among the red ...
  • Lithium abundances in the α Per cluster 
    Balachandran, S. C; Mallik, S. G. V; Lambert, D. L (Wiley Blackwell, 2011-02)
    Lithium (Li) abundances are presented and discussed for 70 members of the 50-Myr-old open cluster α Per. More than half of the abundances are from new high-resolution spectra. The Li abundance in the F-type stars is equal ...
  • Multiwavelength Study of the NGC 281 Region 
    Sharma, S; Pandey, A. K; Pandey, J. C; Chauhan, N; Ogura, K; Ojha, D. K; Borrissova, J; Mito, H; Verdugo, T; Bhatt, B. C (Astronomical Society of Japan, 2012-10)
    We present a multiwavelength study of the NGC 281 complex which contains the young cluster IC 1590 at the center, using deep wide-field optical UBV Ic photometry, slitless spectroscopy along with archival data sets in ...
  • UVIT/AstroSat studies of blue straggler stars and post-mass transfer systems in star clusters: detection of one more blue lurker in M67 
    Subramaniam, A; Pnadey, Sindhu; Jadhav, Vikrant V; Snehalata Sahu (Indian Academy of Sciences, 2020-12)
    The blue straggler stars (BSSs) are main-sequence (MS) stars, which have evaded stellar evolution by acquiring mass while on the MS. The detection of extremely low mass (ELM) white dwarf (WD) companions to two BSSs and one ...

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