Parameters of the apparent relative orbit of the third body in the SZ Cam system

Details Parameters of the apparent relative orbit of the third body in the SZ Cam system Parameters of the apparent relative orbit of the third body in the SZ Cam system

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007astbu..62..352g&link_type=abstract

Astrophysical Bulletin, Volume 62, Issue 4, pp.352-359

Astronomy and Astrophysics

Astrophysics

6

97.80.Hn, 97.80.-D

Scientific paper

A complete set of parameters of the apparent relative orbit of the third body in the SZ Cam system is determined for the first time based on new speckle-interferometric and photometric observations of the eclipsing binary SZ Cam made with the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences and 0.5-m telescope of the Astronomical Observatory of Ural State University and published data. The mass of the third body and the distance to SZ Cam are estimated at M 3 = 23.4 M &sun; and d = 1125 kpc, respectively. The binary nature of the third body is confirmed. It is suggested that SZ Cam is possibly not a member of the open star cluster NGC 1502 onto whose center it projects. A total of 16 new times of minima of SZ Cam are reported.

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