Algol
The Demon Star of Perseus, which fades for several hours every few days when the fainter star of the pair passes in front of the brighter.
Tonight from
Rise, highest point and set are worked out on your device for the place above.
What it is
- Brightness
- Magnitude 2.09, the 62nd brightest star in the night sky
- Distance
- 90 light years
- Kind of star
- Blue-white main-sequence star, spectral type B8 V
- Light it gives out
- About 97 times the Sun’s, in visible light
- Constellation
- Perseus, where it is β Persei
- Catalogue number
- HIP 14576
Figures from HYG database 4.1 (Hipparcos, Yale Bright Star and Gliese catalogues), CC BY-SA 4.0. All sources
Near it in the sky
- MirfakA yellow-white supergiant in Perseus, about a fist away.
- Double ClusterAn open cluster in Perseus, about a hand span away.
- PleiadesAn open cluster in Taurus, about a hand span away.
- Triangulum GalaxyA galaxy in Triangulum, about a hand span away.
- CapellaA bright star in Auriga, about a hand span away.