Tuesday, January 22, 2008

61 Ursae Majoris

Star type
g G8Ve

Distance from Earth
g 28.12 ly

Star Service No.
g NA

g 500 million to 1 billion years old

Radius/Mass/Temp (xSol)
g 84%; 81.1%; 5,580 K

Brightness (xSol)
g 48.045%

g 40%-105%

Comparison to Sol
g See chart (similar to Sun)

Picture of star
g NA

Star system features
g Star lies near the same line of sight as the sub-giant star HD 101212, although it is presently unclear whether these two stars are gravitationally bound or even in physical proximity.

Known planets
g No sub-stellar companions have been observed in orbit around this star, and it appears to lack a dust ring as is found around some comparable stars.

Habitable zone
g Given age of star, it probably does not sport an M-class planet.

Orbital map
g NA

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g NA

Map locating star system
g NA

Location in Earth sky
g In constellation Ursa Major; can just barely be seen by the unaided eye

Other names
g BS 4489; HR 4496; BD +35°2270; HD 101501; GCTP 2699.00; SAO 62655; FK5 1300; NSV 5291; HIP 56997; Gl 434

Sci-fi mentions
g In the science fiction of Larry Niven, 61 Ursae Majoris is depicted as the home system of the warlike extraterrestrials known as Kzin.
g In the Star Trek universe, 61 Ursae Majoris is orbited by the class M planet Archer IV. The star is known as Loracus.
g In the video game Mass Effect, 61 Ursae Majoris is the birth system for the character of Gunnery Chief Ashley Williams.

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