Planet HIP 59173 Ab

Detailed information about planet HIP 59173 Ab and its parameters.

Planet

Name
HIP 59173 Ab
Planet Status
Confirmed
Discovered in
2023
Update
2024-08-24
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
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
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

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Star

Gratton et al. (2023): HIP 59173 is a close binary, although the companion was not detected in interferometry; this could be the substellar companion detected by Gratton et al.
An additional candidate companion star was found 139 AUs away but its nature seems not compatible with an M-star with a mass of 0.41 MSol since its mass is too small to account for the large observed proper motion anomaly.

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