Planet HD 238090 Ab

Detailed information about planet HD 238090 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 238090 Ab
Planet Status
Confirmed
Discovered in
2020
Update
2024-08-01
Mass
0.02168 ( ± 0.00299 ) MJ
Mass*sin(i)
0.02168 ( ± 0.00299 ) MJ
Semi-Major Axis
0.0932 ( ± 0.0011 ) AU
Orbital Period
13.671 ( ± 0.011 ) day
Eccentricity
0.3 ( ± 0.17 )
ω
119.3 ( +23.0 -25.0 ) deg
Tperi
2458630.09 ( ± 0.55 ) JD
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
2.85 ( ± 0.39 ) m/s
Calculated temperature
469.6 ( ± 2.6 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
GJ 458 Ab
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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Star

Name
HD 238090
Distance
14.24 ( ± 0.01 ) pc
Spectral type
M0V
Apparent magnitude V
10.0
Mass
0.578 ( ± 0.021 ) MSun
Age
—
Effective temperature
3933.0 ( ± 51.0 ) K
Radius
0.57 ( ± 0.016 ) RSun
Metallicity [Fe/H]
-0.03 ( ± 0.16 )
Detected Disc
—
Magnetic Field
—
RA2000
12:12:20.9
Dec2000
+54:29:08.7
Alternate Names
GJ 458 A

A fainter M dwarf companion star (GJ 458 B) lies 223 AUs away.

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