Planet HD 188769 (AB)b

Detailed information about planet HD 188769 (AB)b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 188769 (AB)b
Planet Status
Confirmed
Discovered in
2024
Update
2024-06-30
Mass
30.0 MJ
Mass*sin(i)
—
Semi-Major Axis
25000.0 AU
Orbital Period
—
Eccentricity
—
ω
—
Tperi
—
Radius
—
Inclination
—
Detection Method
Imaging
Mass Meas. Method
—
Radius Meas. Method
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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

Spectral type T5.

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Star

Name
HD 188769
Distance
45.8728 ( ± 0.3347 ) pc
Spectral type
F5V
Apparent magnitude V
6.82
Mass
1.38 ( ± 0.222 ) MSun
Age
13.0 Gyr
Effective temperature
6597.0 ( ± 127.405 ) K
Radius
1.365 ( ± 0.0609 ) RSun
Metallicity [Fe/H]
-1.13 ( +0.01 -0.03 )
Detected Disc
—
Magnetic Field
—
RA2000
20:01:00.9
Dec2000
-64:48:28.5
Alternate Names
SOZ 20

Rothermich et al. (2024): HD 188769 forms a widely separated (a = 930 AUs) binary system with an M5 dwarf companion star.

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