CAOSP abstracts, Volume: 27, No.: 3, year: 1998
- Author(s): BOHLENDER, D.A.; GONZALEZ, J.-F.; MATTHEWS, J.M.
- Journal: Contributions of the Astronomical Observatory Skalnate Pleso,
vol. 27, no. 3, p. 449-451.
- Date: 04/1998
- Title: The incidence of nonradial pulsation in the lambda Bootis stars
- Keyword(s): STARS: CHEMICALLY PECULIAR, STARS: LAMBDA BOO, STARS: OSCILLATIONS
- Pages: 449 -- 451
Abstract:
We have completed a high-resolution, high-signal-to-noise, spectroscopic
survey of the northern members of the peculiar lambda Boo stars in order
to investigate the frequency of the incidence of nonradial pulsation (NRP)
in these metal-deficient stars. Of 18 objects observed, 9 show conclusive
evidence of NRP, which suggests that pulsation instability is a common
phenomenon in the lambda Boo class.
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