The period variation of YZ Bootis

Details The period variation of YZ Bootis The period variation of YZ Bootis

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985acasn..26..297j&link_type=abstract

(Acta Astronomica Sinica, vol. 26, no. 4, 1985, p. 297-300) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 10, June 1

Astronomy and Astrophysics

Astrophysics

6

Cepheid Variables, Dwarf Stars, Electrophotometry, Light Curve, Periodic Variations, Stellar Spectrophotometry, Tables (Data)

Scientific paper

Based on V-band observations of YZ Bootis obtained since 1981, and previously published photoelectric maximum times, it is shown that the period of YZ Bootis is increasing at 0.026 + or - 0.0004 s/century. In the quadratic fit, the relative error in the coefficient of the quadratic term is only + or - 13 percent, and it is suggested that this formula has an objective basis.

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