Planet HD 149806 Ab

Detailed information about planet HD 149806 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 149806 Ab
Planet Status
Confirmed
Discovered in
2022
Publication
Status
—
Update
2024-07-28
Mass
12.597 ( +2.694 -2.782 ) MJ
Mass*sin(i)
—
Semi-Major Axis
12.404 ( +3.103 -2.056 ) AU
Orbital Period
16521.5 ( +6426.2 -3696.6 ) day
Eccentricity
0.357 ( +0.162 -0.236 )
Angular distance
—
ω
53.02 ( +20.059 -39.668 ) deg
Tperi
—
Radius
—
Inclination
13.574 ( +1.705 -1.48 ) 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
26.445 ( +5.432 -5.405 ) 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.

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Star

Name
HD 149806 A
Distance
20.2727 ( ± 0.0179 ) pc
Spectral type
G8V
Apparent magnitude V
7.065
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.93 ( ± 0.118 ) MSun
Age
—
Effective temperature
5352.05 ( ± 129.641 ) K
Radius
0.877 ( ± 0.0504 ) RSun
Metallicity [Fe/H]
0.22 ( ± 0.0257 )
Detected Disc
—
Magnetic Field
—
RA2000
16:37:08.4
Dec2000
+00:15:15.6
Alternate Names
—

Hirsch et al. (2021): HD 149806 forms a widely separated (a = 138 AUs) binary system with an M dwarf star (spT M6V).

No link