Star type
g A: F8.5-G0 V e
g Ab: M3 V
g B: G0-5 V e
g Bb: brown dwarf
Distance from Earth
g 28.7858 ly
Star Service No.
g NA
Age
g A: NA
g Ab: NA
g B: NA
g Bb: NA
Diameter/Mass/Temp (xSol)
g A: NA; 105%; NA
g Ab: NA; 40%; NA
g B: NA; 90%; NA
g Bb: NA; 37x Jupiter; NA
Brightness (xSol)
g A: 110%
g Ab: 1%
g B: 67%
g Bb: NA
Metallicity
g A: NA
g Ab: NA
g B: NA
g Bb: NA
Comparison to Sol
g A: NA
g Ab: NA
g B: NA
g Bb: NA
Picture of stars
g A: NA
g Ab: NA
g B: NA
g Bb: NA
Star system features
g First binary system discovered
Known planets
g A: NA
g Ab: NA
g B: NA
g Bb: NA
Habitable zones
g A: NA
g Ab: NA
g B: NA
g Bb: NA
Orbital map
g Alula Australis A and Alula Australis B orbit one another; Alula Australis A and Alula Australis Aa orbit one another; Alula Australis B and Alula Australis Bb orbit one another
View from stars
g NA
Nearby stars
(Star systems with 10 light years)
g NA
Map locating star system
g NA
Location in Earth sky
g In the constellation Ursa Major
Other names
g A: HD 98231; HIP 55203; BD +32° 2132; YPC 2625.00; LHS 2390; ADS 8119; Gl 423 A; Xi Ursae Majoris; ξ UMa; ξ Ursae Majoris; XI UMa; Alula Australis (formerly); Alula Australe (erroneously); HR 4375; Alula Australis Aa
g Ab: Alula Australis Ab; Xi UMa Ab
g B: Gl 423 B
g Bb: Xi UMa Bb
Sci-fi mentions
g A: NA
g Ab: NA
g B: NA
g Bb: NA
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Tuesday, February 12, 2008
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