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Search for the Companion in the β CrB Spectrum*

  • R. Faraggiana (a1) and M. Gerbaldi (a2)

Extract

Spectroscopic analyses of the β CrB spectrum have been performed in the past without taking into consideration the double nature of this well-known cool Ap star (e.g. Hiltner, 1945; Hack, 1958; Adelman, 1973). Recently, Kamper et al. (1990) have re-examined the astrometric (interferometric and visual) and spectroscopic (radial velocity) data and have given an improved orbit for the β CrB system (P=10.55 yr) and the passage at periastron at 1991.02.

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Copyright

Footnotes

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*

Based on observations collected at the Observatoire de Haute Provence (OHP), France

Footnotes

References

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Adelman, S.J., 1973, ApJ 183, 95
Breger, M., 1976, ApJS 32, 7
Hack, M., 1958, Mem. Soc. Astron. Ital. 29, 263
Hiltner, W.A., 1945, ApJ 102, 438
Jamar, C., Macau-Hercot, D., Thomson, G.I., Houziaux, L., Wilson, R., 1976, Ultraviolet Bright-Star Spectrophotometric Catalogue, ESA SR-27
Kamper, K.W., McAlister, H.A., Hartkopf, W.I., 1990, AJ 100, 239.

Search for the Companion in the β CrB Spectrum*

  • R. Faraggiana (a1) and M. Gerbaldi (a2)

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