Planet LHS 2397a b

Detailed information about planet LHS 2397a b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
LHS 2397a b
Planet Status
Confirmed
Discovered in
2003
Update
2024-08-29
Mass
64.0 ( ± 15.0 ) MJ
Mass*sin(i)
—
Semi-Major Axis
3.09 ( ± 0.1 ) AU
Orbital Period
5194.0 ( ± 40.0 ) day
Eccentricity
0.35 ( ± 0.005 )
ω
38.5 ( ± 2.4 ) deg
Tperi
2453845.0 ( ± 15.0 ) JD
Radius
—
Inclination
41.9 ( ± 1.1 ) deg
Detection Method
Imaging
Mass Meas. Method
Spectrum
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
5.35
Alternate Names
FME 1 b, LP 732-94 b, 2MASS J11214924-1313084 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

It is an L7+/-1 brown dwarf with 1410 < Teff < 1490K

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Star

Name
LHS 2397a
Distance
14.3905 ( ± 0.03654 ) pc
Spectral type
M8V
Apparent magnitude V
19.57
Mass
0.0839 ( +0.0007 -0.0015 ) MSun
Age
1.5 ( +4.1 -0.6 ) Gyr
Effective temperature
2580.0 ( ± 50.0 ) K
Radius
—
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
11:21:49.2
Dec2000
-13:13:08.7
Alternate Names
FME 1, LP 732-94, 2MASS J11214924-1313084

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