Planet HD 16905 Ab

Detailed information about planet HD 16905 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 16905 Ab
Planet Status
Confirmed
Discovered in
2022
Publication
Status
—
Update
2025-08-13
Mass
10.9 ( +0.62 -0.59 ) MJ
Mass*sin(i)
—
Semi-Major Axis
9.14 ( +0.38 -0.33 ) AU
Orbital Period
10913.5 ( +657.0 -511.0 ) day
Eccentricity
0.692 ( ± 0.012 )
Angular distance
—
ω
281.661 ( +24.0 -16.0 ) deg
Tperi
2449266.674 ( +427.0 -2725.0 ) JD
Radius
—
Inclination
133.5 ( +2.7 -3.0 ) 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
51.312 ( +3.7 -4.8 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HIP 12436 b, HIP 12436 Ab
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 16905 A
Distance
39.7401 ( ± 0.0452 ) pc
Spectral type
K2V
Apparent magnitude V
9.46
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.79 ( ± 0.0945 ) MSun
Age
—
Effective temperature
4866.12 ( ± 145.089 ) K
Radius
0.775 ( ± 0.06 ) RSun
Metallicity [Fe/H]
0.24 ( ± 0.0347 )
Detected Disc
—
Magnetic Field
—
RA2000
02:40:03.2
Dec2000
-61:21:15.3
Alternate Names
HIP 12436

An M dwarf companion star lies 1076 AUs away.

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