Map of the Universe

Adhara

Star · Star in the constellation Canis Major

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Adhara
Picture: Canis_major_constellation_map.png: Torsten Bronger., CC BY-SA 3.0, via Wikimedia Commons.

About Adhara

Adhara is about 405.16 light-years from the Sun, so the light we see from it left about 405.16 years ago.

At apparent magnitude 1.50 it can be seen with the naked eye from a dark site.

It gives out 3.38e+03 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

Distance405.16 light-years (124.22 pc)
Spectral typeB2II
Apparent magnitude1.50
Absolute magnitude-3.97
Luminosity3.38e+03 × the Sun
ConstellationCMa

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: 1,000 light-years, a view about 2,400 light-years across.

From Wikipedia

Epsilon Canis Majoris is a binary star system and the second-brightest star in the constellation of Canis Major. Its name is a Bayer designation that is Latinised from ε Canis Majoris, and abbreviated Epsilon CMa or ε CMa. This is the 22nd-brightest star in the night sky with an apparent magnitude of 1.50.

Excerpt from the Wikipedia article Epsilon Canis Majoris, licensed CC BY-SA 4.0.

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