Binary Stars

• Ask an Astrophysicist: Binary Star Systems  - Answers questions about binary stars and their formation and evolution.
• Astrometry & Dynamics: Double & Multiple Stars  - The Royal Observatory of Belgium (Brussels) presents information about the HIPPARCOS mission to study double stars.
• Astronomical League  - Features the Double Star Club of the league. Includes links, rules and regulation of the organization.
• Astronomy Picture of the Day: Binary Stars  - Includes photos and descriptions of binary stars.
• Binary Pulsar PSR 1913+16  - Illustrated document on the orbit, radial velocity and gravitational radiation of the object.
• Double Stars to Follow  - Provides information on the properties several known pairs of celestial bodies.
• Eclipsing Binary Stars  - List of documents on measuring light curves and obtaining the approximate shape of the rotating bodies. Includes illustrations and formulas.
• The Evolution of Compact Binary Star Systems  - Technical paper describing detection, orbits, and evolution of multiple star systems.
• Formation of Common-Envelope: Pre-Main-Sequence Binary Stars  - Displays a research material made by Tohline, Cazes and Cohl about the formation of binary stars. Includes videos and references.
• Hubble  - Presents various discoveries and findings of the device. Also shows photos, biography and history of the equipment.
• Hydrodynamics on Supercomputers  - Displays information on the cause and formation of interacting binary stars. Includes calculations and pictures of the event.
• International Astronomical Union  - Features Commission 42 of the union which centers on close binary stars.
• The orbits of 150 visual binaries  - Delineates the constellation for each binary and shows the orbit with orbital period.
• The Washington Double Star Catalog  - Provides information about binary and multiple stars. Includes discoveries, data and meetings.