Sunday, August 12, 2007

GJ 388

Star type
g dM4.5Ve

Distance from Earth
g 15.93 ly

Star Service No.
g NA

g 100 million years

RadiusMass/Temp (xSol)
g 54%; 28%; NA

Brightness (xSol)
g 0.38% (flare star)

g 1%

Comparison to Sol
g See illustration

Picture of star
g NA

Star system features
g Has an unseen companion of P ~ 27 yr.; is expected to have a very low mass and probably is a brown dwarf
g See paper "X-ray spectroscopy of the active dM stars: AD Leo and EV Lac"
g See paper “PHOENIX model chromospheres of mid- to late-type M dwarfs"

Known planets
g NA

Habitable zone
g Zone is 0.023 to 0.033 AUs when quiet but 0.123 to 0.187 AU during a strong flare. Star likely is too young to support any life, however.

Orbital map
g NA

View from star
g NA

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

Map locating star system
g See stellar map (listed as “BD+20 2465”)

Location in Earth sky
g In the constellation Leo

Other names
g AD Leo AD Leonis, 40 Leo, LHS 5167, CNS3 1616, BD+20 2465, G 054-023, SAO 81292, LTT 12761, ADS 7724 C, Vys 574, Yale 2420, Cinc 20C574, GCRV 6499, EUVE J1019+19.8, RE J101935+195212, EXO 1016.8+2007

Sci-fi mentions
g NA

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