Wednesday, March 26, 2008

LTT 11392

Star type
g M2.5 Ve

Distance from Earth
g 30.7 ly

Star Service No.
g NA

Age
g NA

Diameter/Mass/Temp (xSol)
g 53%; 49%; NA

Brightness (xSol)
g 0.77%

Metallicity
g 0.49%

Comparison to Sol
g NA

Picture of star
g NA

Star system features
g NA

Known planets
g In 2007, a team of astronomers announced the discovery of a Neptune-class planet in an inner orbit; the following year, a different team of astronomers submitted a paper that apparently rule out the mass of a Neptune-sized inner planet but found evidence for a less massive "Super-Earth" companion in an tighter inner orbit; this Super-Earth is known as Gliese 176 b. This Super-Earth boasts a mass of 8.4 Earths with a diameter of 1-4 Earths and orbits at 0.66 AU every 8.78 days. Planet's temperature is estimated at 351° F.

Habitable zone
g Center of habitable zone is >0.088 AU; a planet may be able to hold water on its surface beyond 0.09 AUs

Orbital map
g See map

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g LP 415-636: 3.1 ly
g LTT 11472: 5.5 ly
g Wolf 227: 6.9 ly
g BD+21 652 (K7 V): 7.2 ly
g Pi3 Orionis 2?: 7.5 ly
g LTT 11392: 7.9 ly
g Ross 41: 7.8 ly
g G 100-28 A: 8.4 ly
g Chi1 Orionis AB (G0 Ve M V?): 9.9 ly

Map locating star system
g NA

Location in Earth sky
g In the south central part of Constellation Taurus, the Bull - west of Epsilon Tauri, north of Aldebaran (Alpha Tauri), and southeast of Elnath (Beta Tauri); however, it is not visible to the naked eye

Other names
g Gliese 176; BD+18 683; Ross 33; Hip 21932; HD 285968; G 8-55; G 33-82; G 85-9; LHS 196; LTT 11495; LFT 372; MCC 107; 2MASS J04425581+1857285

Sci-fi mentions
g NA

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