Planet K2-197 Ab

Detailed information about planet K2-197 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-197 Ab
Planet Status
Confirmed
Discovered in
2018
Publication
Status
—
Update
2024-08-01
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.0806 ( +0.0006 -0.0007 ) AU
Orbital Period
8.357881 ( +0.00071 -0.000686 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.228 ( +0.014 -0.014 ) RJ
Inclination
—
Detection Method
Primary Transit
Mass Meas. Method
—
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
0.45 ( +0.33 -0.31 )
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
848.0 ( +11.0 -11.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
WISE J132934.44-072226.3 b, EPIC 212735333 b, EPIC 212735333.01, 2MASS J13293447-0722262 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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Star

Name
K2-197 A
Distance
249.59 ( +2.37 -2.37 ) pc
Spectral type
G3V
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.0 ( +0.02 -0.02 ) MSun
Age
—
Effective temperature
5667.0 ( +58.0 -58.0 ) K
Radius
0.93 ( +0.01 -0.01 ) RSun
Metallicity [Fe/H]
0.08 ( +0.05 -0.05 )
Detected Disc
—
Magnetic Field
—
RA2000
13:29:34.5
Dec2000
-07:22:26.4
Alternate Names
WISE J132934.44-072226.3, EPIC 212735333, 2MASS J13293447-0722262

An M dwarf companion star lies 2431 AUs away.

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