Map of the Universe

NGC 2477

Open star cluster · Open cluster in the constellation Puppis

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NGC 2477
Picture: Guillermo Abramson, CC BY 3.0, via Wikimedia Commons.

About NGC 2477

NGC 2477 is about 4,514 light-years from the Sun, so the light we see from it left about 4,514 years ago.

It is 28,595 light-years from the centre of the Milky Way.

The map lists it as an open star cluster and shows it among the stars around the Sun, drawn on the plane of the Milky Way.

Key numbers

Distance4,514 light-years (1,384 pc)
Distance from the Galactic centre28,595 light-years
Galactic coordinatesl = 253.57°, b = -5.84°
Member stars (Gaia)3,543
Age701 million years
Mass (observed)12,080 solar masses
Half-member radius10.4 light-years

Data: Hunt & Reffert 2024.

Where it is

Its place in the universe, from the inside out: Orion–Cygnus Arm (Local Arm) › Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.

Zoom out to see it in context: Local Arm, a view about 12,000 light-years across.

From Wikipedia

NGC 2477 is an open cluster of stars in the constellation of Puppis. Alternatively, it is known as Caldwell 71 or the Termite Hole Cluster. It was discovered by Abbé Lacaille in 1751. This cluster contains about 300 stars, and its age has been estimated at 1.0 billion years.

Excerpt from the Wikipedia article NGC 2477, licensed CC BY-SA 4.0.

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