Planet GJ 758 b

Detailed information about planet GJ 758 b and its parameters.

Planet

Name
GJ 758 b
Planet Status
Confirmed
Discovered in
2009
Publication
Status
—
Update
2025-08-13
Mass
Mass*sin(i)
—
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
3.516129 arcsec
ω
—
Tperi
—
Radius
—
Inclination
Detection Method
Imaging, Astrometry
Mass Meas. Method
Astrometry
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
HD 182488 b, HIP 95319 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference
CH4
Measurements Detected 2011 - JANSON M.

(Janson et al. 2011): the candidate for a second companion suggested by Thalmann et al. (2009) is ruled out as a background star.

No link

Star

Name
GJ 758
Distance
Spectral type
G8V
Apparent magnitude V
6.36
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
Age
Effective temperature
5425.0 K
Radius
Metallicity [Fe/H]
Detected Disc
—
Magnetic Field
—
RA2000
19:23:34.0
Dec2000
+33:13:19.0
Alternate Names
HR 7368, HD 182488, HIP 95319

No remarks

No link