BV photometry of Beta Lyrae in 1979 and 1981

Details BV photometry of Beta Lyrae in 1979 and 1981 BV photometry of Beta Lyrae in 1979 and 1981

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26as...71..597a&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 71, no. 3, Dec. 1987, p. 597-601.

Astronomy and Astrophysics

Astrophysics

3

Astronomical Photometry, Eclipsing Binary Stars, Lyra Constellation, Ubv Spectra, Interstellar Extinction, Light Curve, Stellar Color, Stellar Magnitude, Stellar Models

Scientific paper

Photoelectric observations in BV made in 1979 and 1981, together with three determinations of minima, are given. Both in the light and colour curves, changes of slope near the phases of the beginning and end of eclipses are noted. The colour curve is suspected to have two red-dips at phases 0.39 and 0.60. In the light curve there is a random scatter, of about ±0m.03 in V, which is attributed to irregular changes in the light of β Lyr.

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