Map of the Universe

Ursa Major II

Dwarf galaxy · Dwarf galaxy in Ursa Major

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Ursa Major II
Picture: NASA/ESA Hubble ACS; Nitya Kallivayalil et al. & Melina Thévenot, CC BY-SA 4.0, via Wikimedia Commons.

About Ursa Major II

Ursa Major II is about 113,078 light-years from the Sun, so the light we see from it left about 113,078 years ago.

It is 133,503 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

Distance113,078 light-years (34.67 kpc)
Distance from the Galactic centre133,503 light-years
Galactic coordinatesl = 152.46°, b = +37.44°
Absolute magnitude (V)-4.4
Stellar mass1 × 10⁴ suns
Half-light radius454 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

Ursa Major II Dwarf (UMa II dSph) is a dwarf spheroidal galaxy situated in the Ursa Major constellation and discovered in 2006 in the data obtained by the Sloan Digital Sky Survey. The galaxy is located approximately 30 kpc from the Sun and moves towards the Sun with the velocity of about 116 km/s.

Excerpt from the Wikipedia article Ursa Major II Dwarf, licensed CC BY-SA 4.0.

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