Planet HIP 65 Ab

Detailed information about planet HIP 65 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HIP 65 Ab
Planet Status
Confirmed
Discovered in
2020
Update
2024-07-30
Mass
3.213 ( ± 0.078 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.01782 ( ± 0.00021 ) AU
Orbital Period
0.9809734 ( ± 3.1e-06 ) day
Eccentricity
—
ω
—
Tperi
—
Radius
2.03 ( +0.61 -0.49 ) RJ
Inclination
77.18 ( ± 1.0 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2458326.10418 ( ± 0.0001 ) JD
Secondary transit
—
λ
—
Impact Parameter b
1.169 ( +0.095 -0.077 )
Time Vr=0
—
Velocity Semiamplitude K
753.7 ( ± 51.0 ) m/s
Calculated temperature
1411.0 ( ± 15.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TOI-129 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

See also Planets in Binaries webpage.

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Star

Name
HIP 65 A
Distance
61.89 ( ± 0.08 ) pc
Spectral type
K4V
Apparent magnitude V
11.1
Mass
0.781 ( ± 0.027 ) MSun
Age
4.1 ( +4.3 -2.8 ) Gyr
Effective temperature
4590.0 ( ± 49.0 ) K
Radius
0.7242 ( +0.008 -0.009 ) RSun
Metallicity [Fe/H]
0.18 ( ± 0.08 )
Detected Disc
—
Magnetic Field
—
RA2000
00:00:45.0
Dec2000
-54:49:51.0
Alternate Names
TOI-129

13 March 2020: The star HIP 65 A is member of a binary, with star HIP 65B at 245 AU (Nielsen et al. 2020).
30 Jul. 2024: An additional faint companion, likely an ultracool dwarf, is detected 4554 AUs away.

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