Map of the Universe

Antlia II

Dwarf galaxy · Low surface-brightness dwarf satellite galaxy of the Milky Way

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Antlia II
Picture: Credit: G. Torrealba/Academia Sinica, Taiwan; V. Belokurov/Cambridge, UK & CCA, New York, US; based on an image by S. Brunie/ESO, CC BY 4.0, via Wikimedia Commons.

About Antlia II

Antlia II is about 404,988 light-years from the Sun, so the light we see from it left about 404,988 years ago.

It is 408,287 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

Distance404,988 light-years (124.17 kpc)
Distance from the Galactic centre408,287 light-years
Galactic coordinatesl = 264.80°, b = +11.25°
Absolute magnitude (V)-9.7
Stellar mass1.35 × 10⁶ suns
Half-light radius12,323 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: Satellite galaxies, a view about 2 million light-years across.

From Wikipedia

Antlia II (Ant II) is a low-surface-brightness dwarf satellite galaxy of the Milky Way at a galactic latitude of 11.2°. It spans 1.26° in the sky just southeast of Epsilon Antliae. The galaxy is similar in size to the Large Magellanic Cloud, despite being 1/10,000 as bright.

Excerpt from the Wikipedia article Antlia II, licensed CC BY-SA 4.0.

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