Map of the Universe
Aldebaran
Star · Brightest star in Taurus
About Aldebaran
Aldebaran is about 66.64 light-years from the Sun, so the light we see from it left about 66.64 years ago.
At apparent magnitude 0.87 it can be seen with the naked eye from a dark site.
It gives out 163 times as much light as the Sun.
It has one known planet.
The map lists it as a star and shows it among the stars around the Sun, drawn on the plane of the Milky Way.
Key numbers
| Distance | 66.64 light-years (20.43 pc) |
|---|---|
| Spectral type | K5III |
| Apparent magnitude | 0.87 |
| Absolute magnitude | -0.68 |
| Luminosity | 163 × the Sun |
| Constellation | Tau |
| Known planets | 1 |
Planets: NASA Exoplanet Archive (Planetary Systems Composite Parameters).
Known planets
| Planet | Mass (Earth = 1) | Radius (Earth = 1) | Orbit (days) | Found |
|---|---|---|---|---|
| alf Tau b | 2056.3601 | 12.7 | 628.96 | 2015, radial velocity |
Where it is
Its place in the universe, from the inside out: Solar neighbourhood › Local Bubble › Orion–Cygnus Arm (Local Arm) › Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.
Zoom out to see it in context: 100 light-years, a view about 220 light-years across.
From Wikipedia
Aldebaran is a red giant star in the zodiac constellation of Taurus. It has the Bayer designation α Tauri, which is Latinized to Alpha Tauri and abbreviated Alpha Tau or α Tau.
Excerpt from the Wikipedia article Aldebaran, licensed CC BY-SA 4.0.