Acrux B

Alpha2 Crucis

Acrux

Distance (Light Years) 321 ± 21
Apparent Magnitude 0.77(combined)
Color (B-V)-0.26

Description of the Star

Acrux B is a blue B1V main sequence star larger and brighter than our sun. The star is about 0.39 magnitudes dimmer than the giant A component, giving it an apparent magnitude of 1.73 according to the Millenium Star Atlas. The spectral type implies a temperature of about 26000 K, a diameter 6.7 times that of the sun and a luminosity 11000 times that of the sun.

Other Designations For This Star


Hipparcos Identifier (HIP Number)


Harvard Revised (HR Number)

4731

Henry Draper Catalog (HD Number)

108249

Bonner Durchmusterung (BD Number)

CP-62 2745
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

Feedback to: editor AT domeofthesky.com