References

• Adelman S.J., 1988, Baltic Astron. 1, 427
• Babcock H.W., 1958, ApJS 3, 141 NASA ADS
• Brewer K.R.W., 1953, ApJ 118, 265 NASA ADS
• ESA, 1997, The Hipparcos and Tycho Catalogues, SP-1200
• Gulliver A.F., Hube D.P., King R.W., Morris S.L., Hill G., 1985, AJ 90, 1334 NASA ADS
• Heck A., Maitzen H.M., Renson P., 1977, A&A 54, 635 NASA ADS
• Heck A., Mathys G., Manfroid J., 1987, A&AS 70, 33 NASA ADS
• Hensberge H., Maitzen H.M., Deridder G., et al., 1981, A&AS 46, 51
• Hoffleit D., 1982, The Bright Star Catalogue, 4th edition. Yale University Observatory, New Haven, CT
• Hoffleit D., Saladyga M., Wlasuk P., 1983, A Supplement to the Bright Star Catalogue, Yale University Observatory. New Haven, CT
• Horne J.H., Baliunas S.L., 1986, ApJ 302, 757 NASA ADS
• Hube D.P., 1981, AJ 86, 1394 NASA ADS
• Hube D.P., Lowe A., 1980, JRASC 74, 342 NASA ADS
• Mathys G., Hubrig S., 1997, A&AS 124, 475 NASA ADS
• Mathys G., Hubrig S., Landstreet J.D., Lanz T., Manfroid J., 1997, A&AS 123, 353 NASA ADS
• Morris S.L., 1985, ApJ 295, 143 NASA ADS
• Scargle J.D., 1982, ApJ 263, 835 NASA ADS
• Winzer J.E., 1974, Ph. D. Dissertation, University of Toronto