Planet 2M1207 b

Detailed information about planet 2M1207 b and its parameters.

Planet

Name
2M1207 b
Planet Status
Confirmed
Discovered in
2004
Update
2024-03-28
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
2MASS J12073346-3932539 b, 2M1207B, 2MASS1207-3932 B, 2MASSW J1207334-393254 b, 2M 1207-39 b, TWA 27 b, TWA27 B
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference
CH4
Measurements Detected 2023 - LUHMAN K.
CO
Measurements Detected 2023 - LUHMAN K.
Fe
Measurements Detected 2024 - MANJAVACAS E.
H2O
Measurements Detected 2024 - MANJAVACAS E.
He
Measurements Detected 2023 - LUHMAN K.
K
Measurements Detected 2024 - MANJAVACAS E.
Mg
Measurements Detected 2024 - MANJAVACAS E.
Na
Measurements Detected 2024 - MANJAVACAS E.

Ricci et al. 2017 : 2M1207 is a system composed of a brown dwarf with a compact disk (9.4 AU radius with 0.1 Earth mass) and a planetary-mass companion at 40 AU.

No link

System without star

Distance
64.673 ( ± 0.4864 ) pc
RA2000
12:07:33.5
Dec2000
-39:32:54.0