Planet KOI-4427 Ab

Detailed information about planet KOI-4427 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
KOI-4427 Ab
Planet Status
Confirmed
Discovered in
2015
Publication
Status
Published in a refereed paper
Update
2024-08-04
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.419 ( +0.073 -0.081 ) AU
Orbital Period
147.6606 ( +0.0011 -0.0014 ) day
Eccentricity
0.02 ( +0.07 -0.02 )
Angular distance
—
ω
—
Tperi
—
Radius
0.164 ( +0.021 -0.021 ) RJ
Inclination
89.97 ( +0.03 -0.08 ) deg
Detection Method
Primary Transit
Mass Meas. Method
—
Radius Meas. Method
Primary Transit
Primary transit
2455815.2616 ( ± 0.0047 ) JD
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
KOI-4427.01, KIC 4172805 b, 2MASS J19402813+3916267 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Torres et al. 2015 : the object is declared as a bona-fide planet. It is likely to be within the HZ and also has a fair chance of being rocky.

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Star

Name
KOI-4427 A
Distance
276.226 ( ± 2.4705 ) pc
Spectral type
M1V
Apparent magnitude V
9.34
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.553 ( ± 0.02 ) MSun
Age
3.6 ( +1.3 -2.6 ) Gyr
Effective temperature
3748.0 ( ± 157.0 ) K
Radius
0.559 ( ± 0.017 ) RSun
Metallicity [Fe/H]
-0.07 ( ± 0.14 )
Detected Disc
—
Magnetic Field
—
RA2000
19:40:28.0
Dec2000
+39:16:27.0
Alternate Names
KIC 4172805, 2MASS J19402813+3916267

A fainter M dwarf companion star lies 1467 AUs away.

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