Planet HD 164509 Ab

Detailed information about planet HD 164509 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 164509 Ab
Planet Status
Confirmed
Discovered in
2011
Update
2024-07-28
Mass
0.48 ( +0.09 -0.09 ) MJ
Mass*sin(i)
0.48 ( +0.09 -0.09 ) MJ
Semi-Major Axis
0.875 ( ± 0.008 ) AU
Orbital Period
282.4 ( ± 3.8 ) day
Eccentricity
0.26 ( ± 0.14 )
ω
324.0 ( ± 110.0 ) deg
Tperi
2455703.0 ( ± 30.0 ) JD
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
—
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
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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 164509 A
Distance
52.0 ( ± 3.0 ) pc
Spectral type
G5V
Apparent magnitude V
8.24
Mass
1.13 ( ± 0.02 ) MSun
Age
1.1 ( ± 1.0 ) Gyr
Effective temperature
5922.0 ( ± 44.0 ) K
Radius
1.06 ( ± 0.03 ) RSun
Metallicity [Fe/H]
0.21 ( ± 0.03 )
Detected Disc
—
Magnetic Field
—
RA2000
18:01:31.0
Dec2000
+00:06:16.0
Alternate Names
—

Wittrock et al. (2016): HD 164509 has a late-type M dwarf companion (0.416 solar mass and a temperature of 3450K) with a projected separation of 36.5 +/- 1.9 AU.

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