Planet HD 199509 Ab

Detailed information about planet HD 199509 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 199509 Ab
Planet Status
Confirmed
Discovered in
2012
Update
2025-02-11
Mass
0.136 ( +0.012 -0.016 ) MJ
Mass*sin(i)
0.136 ( +0.012 -0.016 ) MJ
Semi-Major Axis
0.426 ( +0.018 -0.019 ) AU
Orbital Period
99.6 ( ± 0.1 ) day
Eccentricity
0.373 ( +0.09 -0.087 )
ω
316.962 ( +15.866 -12.411 ) deg
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
6.279 ( +0.279 -0.368 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
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.

No link

Star

Name
HD 199509 A
Distance
24.3056 ( ± 0.0204 ) pc
Spectral type
G2V
Apparent magnitude V
6.995
Mass
1.04 ( ± 0.135 ) MSun
Age
—
Effective temperature
5796.02 ( ± 106.578 ) K
Radius
0.9 ( ± 0.0372 ) RSun
Metallicity [Fe/H]
-0.307 ( ± 0.028 )
Detected Disc
—
Magnetic Field
—
RA2000
21:09:20.7
Dec2000
-82:01:38.1
Alternate Names
—

Feng et al. (2022): HD 199509 forms an eccentric binary system with a low-mass M dwarf star (a = 18.624 AUs, e = 0.373, i = 41.85).

No link