Subdwarf B star evolutionary systematics, conundrums and cautionary remarks

E. M. Green*, G. Fontaine, E. A. Hyde, S. Charpinet, P. Chayer

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)

    Abstract

    We examine some of the systematics of different types of subdwarf B stars - short-period sdB+WD binaries, short period sdB+MS binaries, composite spectrum systems and apparently single stars - using recent results from our ongoing spectroscopic surveys and from asteroseismology, 2MASS photometry and open cluster color-magnitude diagrams. There are a wide variety of puzzles still remaining to be solved before we understand all the details of subdwarf B star formation and evolution.

    Original languageEnglish
    Pages (from-to)167-174
    Number of pages8
    JournalBaltic Astronomy
    Volume15
    Issue number2
    Publication statusPublished - 2006

    Keywords

    • Binaries: close
    • Stars: EHB and post-EHB
    • Stars: Fundamental parameters
    • Stars: subdwarfs

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