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| Aldebaran |
an orange binary star in the constellation Taurus, having a combined magnitude of 0.9. |
| Algol |
an eclipsing binary star in the constellation Perseus, having a magnitude that varies between 2.3 and 3.4. |
| Antares |
a red binary star in the constellation Scorpius, having a combined magnitude of 1.0. |
| Mizar |
a binary star in the constellation Ursa Major, having a magnitude of 2.2. |
| Perseus |
an autumn constellation in the northern sky, located between Auriga and Andromeda and containing Algol, a variable eclipsing binary star. [1/2 definitions] |
| Polaris |
a variable binary star near the north celestial pole in the constellation Ursa Minor, having a magnitude of 2.1; North Star. |
| Procyon |
a yellowish white binary star in the constellation Canis Minor, having a combined magnitude of 0.4. |
| Regulus |
a blue-white binary star in the constellation Leo, having a combined magnitude of 1.3. |
| Rigel |
a blue-white binary star in the constellation Orion, having a combined magnitude of 0.1. |
| Sirius |
a white binary star in the constellation Canis Major, the brightest star in the sky with a combined magnitude of -1.4; Dog Star. |
| visual binary |
a binary star composed of two parts that can be seen through an ordinary telescope, or, though rarely, by the naked eye. |
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