Binary Stars
Links
The Double Star Library
The Double Star Library hopes to be a means by which various types of binary and multiple star information can be easily disseminated among binary star astronomers in IAU Commission 26 and related commissions.
The Formation of Binary Stars
http://www.phys.lsu.edu/astro/nap98/bf.final.html
Recent observational investigations of the frequency of occurrence of pre-main-sequence binary stars have reinforced earlier suspicions that binary formation is the primary branch of the star-formation process
The Prosper Project
http://home.tiscali.cz/prosper/index.en.html
Observation program targeted to understand eclipsing binaries without known light ephemeris.


