Binary Star Database

Welcome to

The Binary Star Database

Binary star DataBase (BDB) is the database of binary/multiple systems of various observational types. BDB contains data on physical and positional parameters of 240,000 components of 110,000 stellar systems of multiplicity 2 to more than 20, taken from a large variety of published catalogues and databases.

Learn about the BDB

BDB Publications


If BDB was helpful for your research work, the following acknowledgement would be appreciated: "This research has made use of the Binary Star Database (BDB), available from Institute of Astronomy (Russian Academy of Sciences)"

The correct current reference to BDB is: "Binary star database BDB: datasets and services" 2013, Malkov O.Yu., Kaygorodov P.V., Kovaleva D.A., Oblak E., Debray E. Astronomical and Astrophysical Transactions, 28, 235." The PDF is available here.

Contact address: Oleg Malkov
Updated: 2016 May 25