Planet GJ 569 Bb

Detailed information about planet GJ 569 Bb and its parameters.

Planet

Name
GJ 569 Bb
Planet Status
Confirmed
Discovered in
1999
Update
2024-09-06
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
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
BD+16 2708 Bb, FRT 1 Bb, MEL 2 Bb
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Spectral type M9.

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Star

Name
GJ 569 B
Distance
Spectral type
M8.5V
Apparent magnitude V
10.15
Mass
Age
Effective temperature
Radius
0.18 ( +0.06 -0.05 ) RSun
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
14:54:29.0
Dec2000
+16:06:04.0
Alternate Names
BD+16 2708 B, FRT 1 B, MEL 2 B

GJ 569 B is the secondary component of a widely separated (∼50 AUs) binary system. Primary star is CE Boo or GJ 569 A (spT M2.5V). If it is oriented face-on, the orbital period is ∼500 yrs (Simon et al. 2006, Femenia et al. 2011).

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