Basic stellar parameter determination for active cool eclipsing binaries

E. Budding, C. J. Butler, J. G. Doyle, P. B. Etzel, K. Oláh, M. Zeilik, D. Brown

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We examine procedures for the determination of reliable parameter sets characterizing stars in short period eclipsing binary systems of later dwarf, generally sunlike, spectral types. These stars have magnetodynamically active components and form a useful "extension to the solar laboratory". Their much more rapid rotation than that of the Sun implies correspondingly enhanced indications of activity - particularly with relatively large maculation effects in broadband data. We concentrate on five such systems, for which we discuss new data and analyses - CG Cyg, ER Vul, YY Gem, BH Vir and UV Psc. Our main aim is to enable more reliable absolute comparisons between the basic properties of such stars and the Sun. Some indications of the ages of these binaries can also provide further pointers to the relative importance of different parameters (e.g. rotation, age, etc.), in determining stellar activity.

Original languageEnglish
Pages (from-to)215-227
Number of pages13
JournalAstrophysics and Space Science
Volume236
Issue number2
Publication statusPublished - 1996

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broadband data
stars
indication
sun
stellar activity
dials
broadband
parameter
laboratory
comparison
effect

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Budding, E., Butler, C. J., Doyle, J. G., Etzel, P. B., Oláh, K., Zeilik, M., & Brown, D. (1996). Basic stellar parameter determination for active cool eclipsing binaries. Astrophysics and Space Science, 236(2), 215-227.

Basic stellar parameter determination for active cool eclipsing binaries. / Budding, E.; Butler, C. J.; Doyle, J. G.; Etzel, P. B.; Oláh, K.; Zeilik, M.; Brown, D.

In: Astrophysics and Space Science, Vol. 236, No. 2, 1996, p. 215-227.

Research output: Contribution to journalArticle

Budding, E, Butler, CJ, Doyle, JG, Etzel, PB, Oláh, K, Zeilik, M & Brown, D 1996, 'Basic stellar parameter determination for active cool eclipsing binaries', Astrophysics and Space Science, vol. 236, no. 2, pp. 215-227.
Budding E, Butler CJ, Doyle JG, Etzel PB, Oláh K, Zeilik M et al. Basic stellar parameter determination for active cool eclipsing binaries. Astrophysics and Space Science. 1996;236(2):215-227.
Budding, E. ; Butler, C. J. ; Doyle, J. G. ; Etzel, P. B. ; Oláh, K. ; Zeilik, M. ; Brown, D. / Basic stellar parameter determination for active cool eclipsing binaries. In: Astrophysics and Space Science. 1996 ; Vol. 236, No. 2. pp. 215-227.
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