Star Xi Ursae Majoris Aa

Multiple star system Xi Ursae Majoris Aa is located 28.8 light years away from the Sun. It is a star system with 5 stars, from which the biggest has 97 % of solar mass. For now, there are no known exoplanets in this system.

Sun distance: 28.8 light years.
(Position of this star is derived from Gaia mission data.)
Xi Ursae Majoris Aa
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Yellow-White star
spectral class F8.5 V

0.97 solar masses
1.02 solar radii
(No known exoplanets yet)
Xi Ursae Majoris Ab
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Red dwarf
spectral class M V

0.38 solar masses
0.32 solar radii
(No known exoplanets yet)
Xi Ursae Majoris Ba
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Yellow star
spectral class G2 V

0.86 solar masses
0.92 solar radii
temperature icontemperature 5667 °K (5394 °C)
(No known exoplanets yet)
Xi Ursae Majoris Bb
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Red dwarf
spectral class M V

0.14 solar masses
0.15 solar radii (estimate)
(No known exoplanets yet)
Xi Ursae Majoris C
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Brown dwarf
spectral class T8.5

0.02 solar masses (estimate)
0.15 solar radii (estimate)
(No known exoplanets yet)
Other designations of this star
WISE J111838.70+312537.9, ksi UMa B, Alula Australis, ξ Ursae Majoris, ξ UMa, Xi UMa, 53 Ursae Majoris, BD+32°2132, CCDM J11182+3132, GC 15537, HIP 55203, IDS 11128+3206, SAO 62484, WDS J11182+3132
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Distance
(Light Years)
Star name Mass
(Solar mass)
Planets
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