Planet HD 30856 Ab

Detailed information about planet HD 30856 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 30856 Ab
Mass
—
Mass*sin(i)
1.8 ( +0.2 -0.2 ) MJ
Semi-Major Axis
2.0 ( ± 0.08 ) AU
Orbital Period
912.0 ( ± 41.0 ) day
Eccentricity
0.24
ω
180.0 ( ± 60.0 ) deg
Tperi
2455260.0 ( ± 150.0 ) JD
Radius
—
Inclination
—
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 Planets in Binaries webpage.

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Star

Name
HD 30856 A
Distance
118.1 ( ± 9.9 ) pc
Spectral type
K0III
Apparent magnitude V
8.07
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.35 ( ± 0.094 ) MSun
Age
3.8 ( ± 1.0 ) Gyr
Effective temperature
4982.0 ( ± 44.0 ) K
Radius
4.2 ( ± 0.1 ) RSun
Metallicity [Fe/H]
-0.06 ( ± 0.03 )
Detected Disc
—
Magnetic Field
—
RA2000
04:50:18.0
Dec2000
-24:22:08.0
Alternate Names
HD 30856

Ngo et al. (2017) detect an M dwarf companion star 93.2 AUs away.

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