Planet HD 81817 c

Detailed information about planet HD 81817 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 81817 c
Planet Status
Confirmed
Discovered in
2022
Publication
Status
Published in a refereed paper
Update
2024-06-24
Mass
—
Mass*sin(i)
22.609 ( +1.859 -1.876 ) MJ
Semi-Major Axis
2.325 ( +0.087 -0.095 ) AU
Orbital Period
623.0 ( +2.0 -2.1 ) day
Eccentricity
0.095 ( +0.058 -0.044 )
Angular distance
—
ω
227.963 ( +35.347 -29.119 ) deg
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
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Primary transit
—
Secondary transit
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λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
203.632 ( +7.1 -5.139 ) m/s
Calculated temperature
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Measured temperature
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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

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Star

Name
HD 81817
Distance
269.126 ( ± 21.551 ) pc
Spectral type
K3II-III
Apparent magnitude V
4.4
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
4.3 ( ± 0.5 ) MSun
Age
0.15 ( ± 0.04 ) Gyr
Effective temperature
4245.0 ( ± 122.0 ) K
Radius
91.4 RSun
Metallicity [Fe/H]
-0.17 ( ± 0.1 )
Detected Disc
—
Magnetic Field
—
RA2000
09:37:05.0
Dec2000
+81:18:35.0
Alternate Names

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