Planet HIP 8541 Ab

Detailed information about planet HIP 8541 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HIP 8541 Ab
Planet Status
Confirmed
Discovered in
2016
Publication
Status
Published in a refereed paper
Update
2026-03-25
Mass
5.7 ( +1.2 -1.1 ) MJ
Mass*sin(i)
5.59 ( +1.0 -1.0 ) MJ
Semi-Major Axis
2.8 ( +0.21 -0.25 ) AU
Orbital Period
1585.0 ( +27.0 -40.0 ) day
Eccentricity
0.122 ( +0.06 -0.067 )
Angular distance
—
ω
328.115 ( +6.671 -7.75 ) deg
Tperi
2459346.9 ( ± 93.4 ) JD
Radius
—
Inclination
73.0 ( +12.0 -16.0 ) 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
85.72 ( +2.834 -2.736 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HD 11343 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
HIP 8541 A
Distance
169.0 ( ± 17.0 ) pc
Spectral type
K2III
Apparent magnitude V
7.9
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.17 ( ± 0.3 ) MSun
Age
—
Effective temperature
4670.0 ( ± 100.0 ) K
Radius
7.83 ( ± 1.0 ) RSun
Metallicity [Fe/H]
-0.15 ( ± 0.08 )
Detected Disc
—
Magnetic Field
—
RA2000
01:50:06.0
Dec2000
-54:27:54.0
Alternate Names
HD 11343

Mugrauer (2019): HIP 8541 forms a widely separated (a = 2686 AUs) binary system with a late K dwarf star.

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