Planet HD 185283 Ab

Detailed information about planet HD 185283 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 185283 Ab
Mass
1.3 ( +0.3 -0.1 ) MJ
Mass*sin(i)
—
Semi-Major Axis
4.6 ( +0.2 -0.1 ) AU
Orbital Period
4000.0 ( +148.0 -112.0 ) day
Eccentricity
0.07 ( ± 0.05 )
ω
281.0 ( ± 38.0 ) deg
Tperi
—
Radius
—
Inclination
91.0 ( ± 31.0 ) deg
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
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

See also the specific Planets in Binaries webpage.

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Star

Name
HD 185283 A
Distance
31.32 ( ± 0.02 ) pc
Spectral type
K3V
Apparent magnitude V
9.0
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.79 ( ± 0.0964 ) MSun
Age
6.9 ( ± 4.7 ) Gyr
Effective temperature
4848.0 ( ± 158.7 ) K
Radius
0.743 ( ± 0.0635 ) RSun
Metallicity [Fe/H]
-0.06 ( ± 0.07 )
Detected Disc
—
Magnetic Field
—
RA2000
19:41:18.0
Dec2000
-56:19:19.0
Alternate Names
—

Gonzalez-Payo et al. (2024): an M dwarf companion star lies 945 arcseconds away (ca. 29,628 AUs at 31 pc). Stellar parameters for companion star cfr. Fouesneau et al. (2022).

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