Planet GJ 4276 b

Detailed information about planet GJ 4276 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
GJ 4276 b
Planet Status
Confirmed
Discovered in
2018
Publication
Status
Published in a refereed paper
Update
2019-09-11
Mass
—
Mass*sin(i)
0.0481 ( +0.0022 -0.0038 ) MJ
Semi-Major Axis
0.082 ( +0.03 -0.014 ) AU
Orbital Period
13.35 ( ± 0.004 ) day
Eccentricity
0.043 ( +0.008 -0.002 )
Angular distance
—
ω
45.03 ( +5.04 -1.78 ) deg
Tperi
2457572.01 ( ± 0.17 ) JD
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
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Primary transit
—
Secondary transit
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λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
7.67 ( ± 0.25 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
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Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

09 Jan 2019: Another option is a single eccentric planet with period 13.35 d, M.sin i 16.57 MEarth and eccentricity 0.37 (Nagel et al. 2019)

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Star

Name
GJ 4276
Distance
21.35 ( ± 0.001 ) pc
Spectral type
M4
Apparent magnitude V
12.0
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.406 ( ± 0.03 ) MSun
Age
6.9 ( ± 1.1 ) Gyr
Effective temperature
3387.0 ( ± 51.0 ) K
Radius
0.407 ( ± 0.015 ) RSun
Metallicity [Fe/H]
0.12 ( ± 0.16 )
Detected Disc
—
Magnetic Field
—
RA2000
22:25:17.0
Dec2000
+59:24:45.0
Alternate Names

No remarks

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