Wednesday, August 19, 2009

Nu-2 Lupi

Star type
g G2 V

Distance from Earth
g 47.5 ly

Star Service No.
g NA

g Probably younger than Sol (some estimates, however, place it in range of 7.52 Gy to 15.9 Gy)

Diameter/Mass/Temp (xSol)
g NA; 99%-100%; NA

Brightness (xSol)
g 97%-101%

g 58%

Comparison to Sol
g Considered an analog to Sol

Picture of star
g NA

Star system features
g One of the top 100 target stars for NASA's planned Terrestrial Planet Finder

Known planets
g NA

Habitable zone
g An Earth-type planet with liquid water on its surface would require a stable orbit centered around 0.98 AU from Nu2 Lupi - just under the orbital distance of Earth in the Solar System. Such a planet would have an orbital period lasting close to an Earth year. However, given its conjectured young age, an Earth-sized planet is not likely to have developed an oxygen-rich atmosphere but is likely to be under heavy bombardment by asteroids and comets.

Orbital map
g NA

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g CD-42 10934 (K5 V): 7 ly
g CD-56 6221 (K3 V): 9 ly
g HR 5864 AB (G6 V-IV,  DA7):  9.9 ly
g HR 5825 (F5 V-IV): 11 ly
g HD 147513/HR 6094 AB (G3-5 V, DA2 /VII): 12 ly
g Beta Trianguli Australis (F2 IV-III): 14 ly
g Alpha Circini ABC (A3, F1 V-IIIp, K5 V): 16 ly
g Zeta Trianguli Australis AB (F9, G0 V): 19 ly
g Mu Arae (G3-5 V): 19 ly

Map locating star system
g NA

Location in Earth sky
g In southern part of Constellation Lupus, the Wolf, the star can be found: near Nu1 and Kappa1 Lupi; north of Zeta Lupi; southwest of Epsilon, Gamma, and Delta Lupi; south of Beta Lupi; and east of Kakkab (Alpha Lupi).

Other names
g Nu2 Lup, HR 5699, Gl 582, Hip 75181, HD 136352, CD-47 9919, CP(D)-47 7075, SAO 225697, LHS 395, LTT 6225, LFT 1200, LPM 565

Sci-fi mentions
g NA

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