NSV 11321 Lyr: variability and light elements.

Details NSV 11321 Lyr: variability and light elements. NSV 11321 Lyr: variability and light elements.

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999geose..25....1b&link_type=abstract

GEOS Circ. Eclipsing Bin., No. EB25, p. 1 - 8

Physics

W Uma Stars: Light Curves, Eclipsing Binaries: Periods, Eclipsing Binaries: Ephemerides

Scientific paper

Visual and photoelectric observations were carried out on NSV 11321, a short period suspected variable in the constellation of Lyra discovered by C. Hoffmeister in 1965. The 2478 visual estimates obtained suggested a period of 0d&and allowed to determine a first ephemeris. Subsequent photoelectric measurements allowed to construct a precise BV light curve and to determine the variability type. NSV 11321 is an eclipsing binary, EW type, varying in the range 10.96 - 11.47 V. The photoelectric ephemeris is 2450700.3444 + 0.577639·E. In this paper both visual and photoelectric studies are separately discussed.

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