Deneb
Star · Blue supergiant star in the constellation Cygnus

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
| Distance | 1,411.93 light-years (432.90 pc) |
|---|---|
| Spectral type | A2Ia |
| Apparent magnitude | 1.25 |
| Absolute magnitude | -6.93 |
| Luminosity | 5.16e+04 × the Sun |
| Constellation | Cyg |
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.
Nearby on the map
- Dumbbell Nebula Planetary nebula
- PSR B1919+21 Pulsar
- Gaia BH3 Black hole
- Veil Nebula Supernova remnant
- Local Bubble Galactic structure
- Polaris Star