Map of the Universe

Deneb

Star · Blue supergiant star in the constellation Cygnus

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Deneb
Picture: Cygnus_constellation_map.png: Torsten Bronger, CC BY-SA 3.0, via Wikimedia Commons.

About Deneb

Deneb is about 1,411.93 light-years from the Sun, so the light we see from it left about 1,411.93 years ago.

At apparent magnitude 1.25 it can be seen with the naked eye from a dark site.

It gives out 5.16e+04 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.

Its distance or nature is debated, and the map shows one published value.

Distance contested: estimates range from about 1,400 to 2,600 ly.

Key numbers

Distance1,411.93 light-years (432.90 pc)
Spectral typeA2Ia
Apparent magnitude1.25
Absolute magnitude-6.93
Luminosity5.16e+04 × the Sun
ConstellationCyg

Where it is

Its place in the universe, from the inside out: Solar neighbourhood › 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

Deneb is a blue supergiant star in the constellation of Cygnus. It is the brightest star in the constellation and the 19th brightest in the night sky, with an apparent magnitude slightly varying between +1.21 and +1.29.

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

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