Barnard's Star
Star · Red dwarf star in the constellation Ophiuchus

About Barnard's Star
Barnard's Star is about 5.95 light-years from the Sun, so the light we see from it left about 5.95 years ago.
At apparent magnitude 9.54 it can only be seen through a telescope.
It gives out 4.43 × 10⁻⁴ times as much light as the Sun.
It has 4 known planets.
The map lists it as a star and shows it among the stars around the Sun, drawn on the plane of the Milky Way.
Four planets confirmed by 2025.
Key numbers
| Distance | 5.95 light-years (1.82 pc) |
|---|---|
| Spectral type | sdM4 |
| Apparent magnitude | 9.54 |
| Absolute magnitude | 13.23 |
| Luminosity | 4.43 × 10⁻⁴ × the Sun |
| Constellation | Oph |
| Known planets | 4 |
Planets: NASA Exoplanet Archive (Planetary Systems Composite Parameters).
Known planets
| Planet | Mass (Earth = 1) | Radius (Earth = 1) | Orbit (days) | Found |
|---|---|---|---|---|
| Barnard d | 0.263 | 0.694 | 2.3402 | 2025, radial velocity |
| Barnard b | 0.299 | 0.72 | 3.1542 | 2024, radial velocity |
| Barnard c | 0.335 | 0.743 | 4.1244 | 2025, radial velocity |
| Barnard e | 0.193 | 0.637 | 6.7392 | 2025, 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: Nearest stars, a view about 24 light-years across.
From Wikipedia
Barnard's Star is a small red dwarf star in the constellation of Ophiuchus. At a distance of 5.96 light-years (1.83 pc) from Earth, it is the fourth-nearest-known individual star to the Sun after the three components of the Alpha Centauri system, and is the closest star in the northern celestial hemisphere.
Excerpt from the Wikipedia article Barnard's Star, licensed CC BY-SA 4.0.
Nearby on the map
- Ross 154 Star
- Alpha Centauri B Star
- Proxima Centauri Star
- Sun's Hill sphere Region / boundary
- 61 Cygni Star
- Struve 2398 A Star