Map of the Universe

Koposov 2

Globular cluster · Globular cluster in the constellation Gemini

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About Koposov 2

Koposov 2 is about 76,451 light-years from the Sun, so the light we see from it left about 76,451 years ago.

It is 100,864 light-years from the centre of the Milky Way.

The map lists it as a globular cluster and shows it at the scale of the Milky Way and the Local Group, drawn on the plane of the Milky Way.

Classification ambiguous: may be a globular cluster or an ultra-faint dwarf galaxy.

Key numbers

Distance76,451 light-years (23.44 kpc)
Distance from the Galactic centre100,864 light-years
Galactic coordinatesl = 195.11°, b = +25.55°
Absolute magnitude (V)-0.9
Stellar mass4.07 × 10² suns
Half-light radius6 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

Koposov 2 is a low-luminosity globular cluster in the constellation Gemini in the halo of the Milky Way galaxy. It was discovered, along with globular cluster Koposov 1 by S. Koposov et al. in 2007.

Excerpt from the Wikipedia article Koposov 2, licensed CC BY-SA 4.0.

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