Planet HIP 54597 b

Detailed information about planet HIP 54597 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HIP 54597 b
Mass
2.4 ( +0.4 -0.2 ) MJ
Mass*sin(i)
2.01 ( ± 0.03 ) MJ
Semi-Major Axis
4.0 AU
Orbital Period
3274.0 day
Eccentricity
0.03
ω
164.0 deg
Tperi
2454994.0 JD
Radius
—
Inclination
62.0 deg
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
35.1 m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Surface gravity log(g/gH)
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

16 Aug. 2023:
Another solution for the orbital inclination is 116 ± 14 deg. (Philipot et al. 2023).

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Star

Name
HIP 54597
Distance
39.547 ( ± 0.023 ) pc
Spectral type
K5V
Apparent magnitude V
9.8
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.69 ( ± 0.02 ) MSun
Age
6.9 ( ± 4.5 ) Gyr
Effective temperature
4799.0 ( ± 90.0 ) K
Radius
0.66 ( ± 0.025 ) RSun
Metallicity [Fe/H]
-0.22 ( ± 0.06 )
Detected Disc
—
Magnetic Field
—
RA2000
11:10:26.0
Dec2000
-29:24:50.0
Alternate Names
CD-28 8692

21 Aug. 2024: Brown dwarf companion (spT L2) detected by Reylé (2018) 50.93 arcseconds away (=2,014 AUs at 39.55 pc) and astrometrically confirmed by Baig et al. (2024) who determine a mass of 71.7-36+8 MJup.

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