Map of the Universe
Willman 1
Dwarf galaxy · Ultra-faint dwarf galaxy
About Willman 1
Willman 1 is about 124,005 light-years from the Sun, so the light we see from it left about 124,005 years ago.
It is 139,765 light-years from the centre of the Milky Way.
The map lists it as a dwarf galaxy and shows it at the scale of the Milky Way and the Local Group, drawn on the plane of the Milky Way.
Key numbers
| Distance | 124,005 light-years (38.02 kpc) |
|---|---|
| Distance from the Galactic centre | 139,765 light-years |
| Galactic coordinates | l = 158.57°, b = +56.78° |
| Absolute magnitude (V) | -2.5 |
| Stellar mass | 1.78 × 10³ suns |
| Half-light radius | 91 light-years |
Data: Local Volume Database v1.1.1 (Pace 2025).
Where it is
Its place in the universe, from the inside out: Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.
Zoom out to see it in context: Magellanic Clouds, a view about 520,000 light-years across.
From Wikipedia
Willman 1 is an ultra-faint dwarf galaxy discovered in 2005. It is named after Beth Willman of Haverford College who first identified it as an over-density of stars in the Sloan Digital Sky Survey (SDSS).
Excerpt from the Wikipedia article Willman 1, licensed CC BY-SA 4.0.
Nearby on the map
- Ursa Major II Dwarf galaxy
- Koposov 2 Globular cluster
- Draco II Dwarf galaxy
- Stellar halo (break radius) Galactic structure
- Milky Way Galaxy
- Balbinot 1 Globular cluster