Planet G 204-39 b

Detailed information about planet G 204-39 b and its parameters.

Planet

Name
G 204-39 b
Planet Status
Confirmed
Discovered in
2010
Update
2024-05-29
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
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)
Alternate Names
GJ 4040 b, LHS 3343 b, BDK 9 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

It is a T6.5 brown dwarf of temperature ~1000K.

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Star

Name
G 204-39
Distance
13.9908 ( ± 0.00693 ) pc
Spectral type
M3V
Apparent magnitude V
11.64
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
17:57:51.0
Dec2000
+46:35:19.1
Alternate Names
HIP 87938, 2MASS J17575096+4635182, GJ 4040, LHS 3343, BDK 9

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