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HO Librae

Gliese 581, Wolf 562

Proper NameNone
Bayer DesignationNone
Flamsteed NumberNone
HR (BSC)None
Other designationsHO Librae, Gliese 581, Wolf 562
Right Ascension15h 19m 27s
Declination-7° 43' 20"
Distance21 light years
6 parsecs
MagnitudeApparent: +10.6
Absolute: +11.6
Spectral ClassM2.5V Red Dwarf
Optimum VisibilityMay / June
Planets in this system Gliese 581 b, gas giant
Gliese 581 c, super Earth
Gliese 581 d, super Earth
Gliese 581 e, super Earth
Gliese 581 f, Earth-mass planet (unconfirmed)
Gliese 581 g (unofficially 'Zarmina'), super Earth (unconfirmed)
NotesA small and faint red dwarf star whose brightness changes slightly as it rotates, suggesting patterns or spots on its surface. HO Librae, or Gliese 581, has an extensive planetary system with at least three members, and more potential planets under investigation. These include the remarkably Earth-like Gliese 581 g.


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