Planet HD 39855 Ab

Detailed information about planet HD 39855 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 39855 Ab
Planet Status
Confirmed
Discovered in
2019
Update
2024-07-30
Mass
0.0267 ( ± 0.0047 ) MJ
Mass*sin(i)
0.0267 ( ± 0.0047 ) MJ
Semi-Major Axis
0.041 ( ± 0.001 ) AU
Orbital Period
3.2498 ( ± 0.0004 ) day
Eccentricity
0.14 ( ± 0.11 )
ω
102.97 ( ± 79.77 ) deg
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
4.08 ( ± 0.71 ) m/s
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

See also Planets in Binaries webpage.

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Star

Name
HD 39855 A
Distance
23.28 ( ± 0.02 ) pc
Spectral type
G8V
Apparent magnitude V
—
Mass
0.87 ( ± 0.05 ) MSun
Age
—
Effective temperature
5576.0 ( +50.0 -46.0 ) K
Radius
—
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
05:54:31.2
Dec2000
-19:41:60.0
Alternate Names
ADS 4503 A

An M dwarf companion star (ADS 4503 B) is located 10.52 arcseconds away (242 AUs at 24 pc).

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