SIMBAD references

1995BaltA...4..157K - Baltic Astronomy, 4, 157-165 (1995/October-0)

Non-variable stars inside the ZZ Ceti instability strip.

KEPLER S.O., GIOVANNINI O., KANAAN A., WOOD M.A. and CLAVER C.F.

Abstract (from CDS):

We are obtaining high signal-to-noise (S/N) optical spectra and time-series photometry of all known DA4 and DA5 white dwarfs brighter than B = 16.0 mag. Deriving their atmospheric parameters, masses and limits of variability, we can study the statistics of the ZZ Ceti instability strip. We have found 14 non-variables in agreement with mass stratification of the instability strip, but also at least one non-variable star inside the instability strip that cannot be explained by total mass alone.

Abstract Copyright:

Journal keyword(s): stars: white dwarfs - stars: variables

Simbad objects: 65

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2021.05.11-23:12:49

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