Catalogue of spectroscopic binary orbits

The catalogue of spectroscopic binary orbits (SB) is a compilation of orbital data for spectroscopic binary stars which have been produced since 1969 by Alan Henry Batten of the Dominion Astrophysics Observatory and various collaborators.

At the 24th International Astronomical Union general assembly, in 2000, a working group was established to take responsibility for maintenance of the catalogue, and to take it from a paper based system to an online database.

As of 7 August 2009, the catalogue database contained information on over 2940 binary systems, and was estimated for completion by 2015.

The catalogue is used for a variety of purposes:

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