Physics
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..224..265c&link_type=abstract
The A-Star Puzzle, held in Poprad, Slovakia, July 8-13, 2004. Edited by J. Zverko, J. Ziznovsky, S.J. Adelman, and W.W. Weiss,
Physics
4
Stars: Abundances, Stars: Chemically Peculiar, Stars: Individual: (Vega, Merak, Α And, 32 Aqr, Σ Boo, Κ Cnc, Θ Cyg, Π Dra, 46 Dra, Γ Equ, 112 Her, Φ Her, Υ Her, Θ Leo, Μ Lep, 33 Lib, Χ Lup, 21 Lyn, Σ Ori E, Ι Psc, O Peg, 53 Tau, 68 Tau, 15 Vul, Hr 178, Hr 465, Hr 1728, Hr 1890, Hr 4072, Hr 7143, Hr 7245, Hr 7361, Hr 7664, Hr 7775, Hr 8349, Hd 965, Hd 29647, Hd 101065, Hd 166473, Hd 213637, Hd 215441, Hd 217522).
Scientific paper
We briefly review the traditional classifications of CP stars. The current availability of large numbers of abundances now make it possible to use multivariate techniques, both to supplement traditional classification methods and probe the abundance patterns. We discuss cluster analysis and correlation matrices for sample material. We review the historical resistance to the notion that CP stars were indeed chemically peculiar. Modern work shows that while these objects do indeed have atmospheric anomalies, they are nevertheless chemically peculiar.
Bord Donald J.
Cowley Charles R.
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