Map of the Universe

Gacrux

Star · Star in the constellation Crux

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Gacrux
Picture: Nova Dawn Astrophotography, CC BY-SA 4.0, via Wikimedia Commons.

About Gacrux

Gacrux is about 88.56 light-years from the Sun, so the light we see from it left about 88.56 years ago.

At apparent magnitude 1.59 it can be seen with the naked eye from a dark site.

It gives out 148 times as much light as the Sun.

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

Key numbers

Distance88.56 light-years (27.15 pc)
Spectral typeM4III
Apparent magnitude1.59
Absolute magnitude-0.58
Luminosity148 × the Sun
ConstellationCru

Where it is

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

Zoom out to see it in context: 100 light-years, a view about 220 light-years across.

From Wikipedia

Gacrux is the third-brightest star in the southern constellation of Crux, the Southern Cross. It has the Bayer designation Gamma Crucis, which is Latinised from γ Crucis and abbreviated Gamma Cru or γ Cru. With an apparent visual magnitude of +1.63, it is the 26th brightest star in the night sky.

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

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