Deneb Algedi


Deneb Algedi (δ Capricorni) is the brightest star in the constellation Capricornus. It is about 39 light-years (ly) away and is an eclipsing binary. Its apparent magnitude varies between 2.83 and 3.05 mag with a period of 1.0228 days.

Deneb Algedi
Constellation Capricornus
Right ascension 21h 47m 2.44s
Declination -16° 7′ 38.2″
Apparent magnitude 2.83 – 3.05 mag
Distance (38.7 ± 0.1)
Bayer designation δ Capricorni
Bright Star Catalogue HR 8322
Hipparcos Catalogue HIP 107556
SAO Catalogue SAO 164644
Position of Deneb Algedi (δ Capricorni) in the constellation Capricornus. Chart: International Astronomical Union in collaboration with the magazine Sky & Telescope