Planet GJ 9714 Ab

Detailed information about planet GJ 9714 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
GJ 9714 Ab
Planet Status
Confirmed
Discovered in
2022
Update
2024-07-28
Mass
9.403 ( +3.055 -1.695 ) MJ
Mass*sin(i)
—
Semi-Major Axis
12.319 ( +3.623 -2.23 ) AU
Orbital Period
19240.8 ( +8353.8 -4514.3 ) day
Eccentricity
0.155 ( +0.073 -0.041 )
ω
92.13 ( +11.389 -28.088 ) deg
Tperi
—
Radius
—
Inclination
155.326 ( +4.804 -5.041 ) deg
Detection Method
Radial Velocity, Astrometry
Mass Meas. Method
Astrometry
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
39.198 ( +15.235 -7.684 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HD 199981 Ab
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

See also Planets in Binaries webpage.

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Star

Name
GJ 9714 A
Distance
20.5121 ( ± 0.0247 ) pc
Spectral type
K6Vk
Apparent magnitude V
9.326
Mass
0.67 ( ± 0.076 ) MSun
Age
—
Effective temperature
4263.0 ( ± 123.638 ) K
Radius
0.662 ( ± 0.0594 ) RSun
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
21:01:39.1
Dec2000
-32:31:28.1
Alternate Names
HD 199981, HD 199981 A

Hardegree-Ullman et al. (2023): GJ 9714 forms a binary system with an M dwarf companion star 62 AUs away.

No link