Planet alf Men Ab

Detailed information about planet alf Men Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
alf Men Ab
Planet Status
Candidate
Discovered in
2023
Publication
Status
Published in a refereed paper
Update
2026-01-05
Mass
—
Mass*sin(i)
0.17154 ( +0.03552 -0.02876 ) MJ
Semi-Major Axis
0.978 AU
Orbital Period
359.5 ( ± 1.2 ) day
Eccentricity
0.4 ( ± 0.14 )
Angular distance
—
ω
—
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
5.5 ( ± 1.3 ) m/s
Calculated temperature
194.0 ( ± 250.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HD 43834 b
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
alf Men A
Distance
10.213 ( ± 0.006 ) pc
Spectral type
G5V
Apparent magnitude V
5.07
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.964 ( ± 0.037 ) MSun
Age
6.2 ( ± 1.4 ) Gyr
Effective temperature
5569.0 ( ± 50.0 ) K
Radius
0.96 ( ± 0.013 ) RSun
Metallicity [Fe/H]
0.11 ( ± 0.05 )
Detected Disc
—
Magnetic Field
—
RA2000
06:10:14.5
Dec2000
-74:45:11.0
Alternate Names
Hoerikwaggo, HD 43834, GJ 231

A faint M dwarf companion star (spT M6V) lies about 30 AUs away (Eggenberger et al. 2007, Chontos et al. 2021).

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