Rigel Kentaurus B

Alpha2 Centauri

Rigel Kentaurus

Distance (Light Years) 4.395± 0.008
Apparent Magnitude 1.33
Color (B-V)0.88

Description of the Star

Rigel Kentaurus B is an orange K1V main sequence star having about 46% of the luminosity of the sun. The spectral type implies a temperature of 4750 K, a mass of 70% of that of the sun, and a 83% of the sun's diameter. See this page for more information on this star and the Rigel Kentaurus system.

Other Designations For This Star


Hipparcos Identifier (HIP Number)

Harvard Revised (HR Number)


Henry Draper Catalog (HD Number)


Bonner Durchmusterung (BD Number)

CP-60 5483
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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