Close binary systems in regions of open clusters. I - V448 CYG in NGC 6871

Details Close binary systems in regions of open clusters. I - V448 CYG in NGC 6871 Close binary systems in regions of open clusters. I - V448 CYG in NGC 6871

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992kfnt....8...14z&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 8, no. 3, May-June 1992, p. 14-23. In Russian.

Astronomy and Astrophysics

Astronomy

2

Astronomical Photometry, Early Stars, Eclipsing Binary Stars, Massive Stars, Star Clusters, Light Curve, Stellar Color, Stellar Mass

Scientific paper

New photoelectric UBVRI' observations of the massive early-type eclipsing system V448 Cyg in the open cluster NGC 6871 were obtained. The light curve is found to be variable in all colors. The period of the system is modified. New photometric elements of V448 Cyg are determined by Lavrov's method, and absolute parameters of the system are estimated. Difficulties in interpreting the larger-size low-mass component are discussed. The distance to V448 Cyg is estimated at 11.2 m, and its age is 8,000,000 yr.

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