Denebola star facts

Denebola , also designated Beta Leonis ( β Leonis , abbreviated Beta Leo , β Leo ) is the second-brightest star in the zodiac constellation of Leo , although the two components of the γ Leonis double star are unresolved to the naked eye and have a combined magnitude brighter than β. It is an A-type main sequence star with 75% more mass than the Sun and fifteen times the Sun's luminosity. Based on parallax measurements from the Hipparcos astrometry satellite, the star is at a distance of about 36 ly from the Sun. Its apparent visual magnitude is , making it readily visible to the naked eye. Denebola is a suspected Delta Scuti type variable star , meaning its luminosity varies very slightly over a period of a few hours. View all View less The description above is licensed from Wikipedia under the Creative Commons license.

The proper motion Wolf 359 against the background is   arcseconds per year, and it is moving away from the Sun at a velocity of 19 km/s. [4] [7] When translated into the galactic coordinate system , this motion corresponds to a space velocity of (U, V, W) = (−26, −44, −18) km/s . [44] The space velocity of Wolf 359 implies that it belongs to the population of old-disk stars . It follows an orbit through the Milky Way that will bring it as close as  kly ( kpc) and as distant as 28 kly ( kpc) from the Galactic Center . The galactic orbit has an eccentricity of , and the star can travel as far as 444 light-years (136 pc) away from the galactic plane . [45] The closest stellar neighbor to Wolf 359 is the red dwarf Ross 128 at   ly (  pc ) away. [46] Approximately 13,850 years ago, Wolf 359 was at its minimal distance of about  ly ( pc) from the Sun. [47]

Denebola star facts

denebola star facts

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