Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap.....53..227s&link_type=abstract
Astrophysics, Volume 53, Issue 2, pp.227-236
Astronomy and Astrophysics
Astrophysics
Stars, Binary, Masses, Orbit Individual, Ads 7251
Scientific paper
Photographic observations of the visual binary star ADS 7251 were made from 1962 through 2006 on the 26-inch refractor at the Pulkovo Observatory. 206 plates were obtained and used to derive about 3000 relative positions. A uniform series of positions of the B-A components of ADS 7251 with errors in one annual average distance ρ and position angle θ of ±0".006 and ±0°.02, respectively, have been used to determine the elements of the orbit and the sum of the masses of the components. The orbit has been determined using a method of apparent motion parameters developed at Pulkovo. The positions and motions of the components A and B relative to a system of reference stars have also been calculated from 146 of the plates; this made it possible to determine the position of the center of mass and the ratio of the masses of the components. The masses of A and B are 0.57 M⨀ and 0.53 M⨀, respectively, a result that is consistent with their spectral classes and does not indicate the presence of significant excess mass.
Gorshanov Denis L.
Grosheva E. A.
Kiselev Andrey A.
Polyakov E. V.
Shakht Natalia A.
No associations
LandOfFree
Orbit determination and estimate of the component masses does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Orbit determination and estimate of the component masses, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Orbit determination and estimate of the component masses will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1802630