Zeta2 Ursae Majoris


Distance (Light Years) 78.2 ± 1.1
Apparent Magnitude 3.95
Color (B-V)0.13

Description of the Star

Mizar B is a hot, white A1m star. There is some variance of opinion on the specific A subtype for this star.

Spectral analysis reveals Mizar B to be have a close companion star revolving in a 175.55 day orbit.

Other Designations For This Star


79 Ursae Majoris

Hipparcos Identifier (HIP Number)

Harvard Revised (HR Number)


Henry Draper Catalog (HD Number)


Bonner Durchmusterung (BD Number)

BD+55 1598
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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