Magnitude 3.52 Apparent magnitude (V) 3.52 | ||
 | ||
Similar Lambda Leonis, Zeta Leonis, Delta Leonis, Gamma Leonis, Tau Leonis | ||
Omicron Leonis (ο Leonis, abbreviated Omicron Leo, ο Leo), also named Subra, is a binary star in the constellation of Leo, west of Regulus, some 130 light years from the Sun, where it marks one of the lion's forepaws.
Contents
Nomenclature
ο Leonis (Latinised to Omicron Leonis) is the star's Bayer designation.
It bore the traditional name Subra. In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) to catalogue and standardize proper names for stars. The WGSN approved the name Subra for this star on 12 September 2016 and it is now so entered in the IAU Catalog of Star Names.
Properties
The primary is given the type F8-G0III giant and the secondary (Subra-B) is type A7m dwarf. Their combined apparent magnitude is +3.52.
References
Omicron Leonis Wikipedia(Text) CC BY-SA