Planet HD 57625 Ab

Detailed information about planet HD 57625 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 57625 Ab
Planet Status
Confirmed
Discovered in
2024
Publication
Status
Published in a refereed paper
Update
2025-09-15
Mass
8.43 ( +1.1 -0.9 ) MJ
Mass*sin(i)
—
Semi-Major Axis
5.7 ( ± 0.14 ) AU
Orbital Period
4843.0 ( +306.0 -167.0 ) day
Eccentricity
0.5 ( ± 0.04 )
Angular distance
—
ω
9.2 ( +349.0 -3.0 ) deg
Tperi
—
Radius
—
Inclination
43.82 ( +14.3 -7.2 ) 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
78.94 ( +20.0 -3.8 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

21 Feb. 2025:
Additional planet parameters:
Ascending node longitude Ω = 301 +1.3 -4 deg   ( Barbato et al. 2025)

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Star

Name
HD 57625 A
Distance
44.32 pc
Spectral type
G0V
Apparent magnitude V
7.75
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.04 ( +0.078 -0.08 ) MSun
Age
4.8 ( +3.7 -2.9 ) Gyr
Effective temperature
5961.78 ( ± 43.33 ) K
Radius
1.127 ( +0.046 -0.04 ) RSun
Metallicity [Fe/H]
-0.04 ( ± 0.02 )
Detected Disc
—
Magnetic Field
—
RA2000
07:25:18.0
Dec2000
+56:34:09.0
Alternate Names
HIP 36014

Barbato et al. (2025): An M dwarf companion star lies 440 AUs away.

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