Friday, May 30, 2008

Gl 442 AB

Star type
g A: G5 V
g B: M? V

Distance from Earth
g 33.6432 ly

Star Service No.
g NA

Age
g A: 8.95 Gy (range of 6.12 Gy to 10.08 Gy); on its way to becoming a subgiant - may have once been a pleasant home to an Earth-like world
g B: NA

Diameter/Mass/Temp (xSol)
g A: NA; 100%; 5643 K
g B: NA; 7%; NA

Brightness (xSol)
g A: 81.5%
g B: 0.00743%

Metallicity
g A: Lower metallicity than Sol
g B: NA

Comparison to Sol
g A: NA
g B: NA

Picture of stars
g A: NA
g B: NA

Star system features
g NA

Known planets
g A: Unlikely that hot Jupiters orbit star
g B: NA

Habitable zone
g A: Porto de Mello lists it as one of 13 nearby astrobiologically interesting stars
g B: NA

Orbital map
g NA

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 constellation Centaurus

Other names
g A: HD 102365; HIP 57443; CD -39° 7301; YPC 2725.00; LHS 311; HR 4523 A;
g B: LHS 313; HR 4523 B

Sci-fi mentions
g NA

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