Planet GJ 3929 b

Name GJ 3929 b
Planet Status Confirmed
Discovered in 2022
Mass 0.00381 (± 0.0013) MJ
Mass*sin(i)
Semi-Major Axis 0.02569 (± 0.00088) AU
Orbital Period 2.6162745 ( -2.9e-06 +3e-06 ) day
Eccentricity
ω
Tperi
Radius 0.1026 (± 0.0036) RJ
Inclination 89.65 ( -0.3 +0.23 ) deg
Update 2022-02-03
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2459320.058 (± 0.0002) JD
Secondary transit
λ
Impact Parameter b 0.108 (± 0.089)
Time Vr=0
Velocity Semiamplitude K 1.23 (± 0.43) m/s
Calculated temperature 569.0 (± 9.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names TOI-2013 b

Star

GJ 3929
Name GJ 3929
Distance 15.83 (± 0.006) pc
Spectral type M3.5V
Apparent magnitude V 12.0
Mass 0.309 (± 0.014) MSun
Age
Effective temperature 3369.0 (± 51.0) K
Radius 0.35 (± 0.01) RSun
Metallicity [Fe/H] 0.0
Detected Disc
Magnetic Field
RA2000 15:58:19.0
Dec2000 +35:24:24
Alternate Names TOI-2013
Planetary system
2 planets

More data


Related publications

Discovery and mass measurement of the hot, transiting, Earth-sized planet GJ 3929 b
2022 KEMMER J., DREIZLER S., KOSSAKOWSKI D., STOCK S., QUIRRENBACH A. et al.
Astron. & Astrophys., accepted
arxiv  

GJ 3929: High Precision Photometric and Doppler Characterization of an Exo-Venus and its Hot, Mini-Neptune-mass Companion
2022 BEARD C., ROBERTSON P., KANODIA Sh., LUBIN J., CA&Numl;AS C. et al.
ApJ., 936, 55
paper   arxiv