Beta2 Cygni


Distance (Light Years) 386 ± 26
Apparent Magnitude 3.05
Color (B-V)-0.1

Description of the Star

Albireo B is a blue B8Ve main sequence star. The spectral type indicates an effective temperature of 12,000 K, a diameter of three times that of the sun and 175 times the sun's luminosity.

The orbit of the B component around A has a period of 7270 years, with an orbital semimajor axis of about 62.90 sec of arc, corresponding to 0.12 ly at the distance of the star.

Other Designations For This Star


6 Cygni

Hipparcos Identifier (HIP Number)

Harvard Revised (HR Number)


Henry Draper Catalog (HD Number)


Bonner Durchmusterung (BD Number)

BD+27 3411
Smithsonian Astrophysical
Observatory compendium (SAO Number)

Fundamental Katalog (FK5 Number)



Copyright © 1998 - 2010 by Arnold V. Lesikar,
Professor Emeritus
Dept. of Physics, Astronomy, and Engineering Science,
St. Cloud State University,St. Cloud, MN 56301-4498

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