Advances in Astronomy and Space Physics, Volume 2, Issue 1 (2012)
On statistical distributions of wide binary stars
Sternberg Astronomical Institute, Moscow State University, Universitetsky pr., 13, Moscow 119992, Russia
Abstract
The semi-major axis is a key parameter of binary stellar systems. In order to obtain current semi-major axis distribution we investigated a volume-limited sample of the binaries in solar neighbourhood. Obtained distribution shows unsatisfactory agreement with the canonical Opik's law.
Keywords:
binaries: general - binaries: visual