Planet HD 260655 b

Name HD 260655 b
Planet Status Confirmed
Discovered in 2022
Mass 0.00673 (± 0.00107) MJ
Mass*sin(i)
Semi-Major Axis 0.02933 (± 0.00024) AU
Orbital Period 2.76953 (± 3e-05) day
Eccentricity 0.039 ( -0.023 +0.043 )
ω 57.0 ( -160.0 +70.0 ) deg
Tperi
Radius 0.1106 (± 0.0303) RJ
Inclination 87.35 (± 0.14) deg
Update 2022-04-22
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2459497.9102 (± 0.0003) JD
Secondary transit
λ
Impact Parameter b 0.665 (± 0.024)
Time Vr=0
Velocity Semiamplitude K 1.69 (± 0.27) m/s
Calculated temperature 709.0 (± 4.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names TOI-4599 b, GJ 239 b

Star

HD 260655
Name HD 260655
Distance 9.9976 (± 0.002) pc
Spectral type MOV
Apparent magnitude V 9.8
Mass 0.439 (± 0.011) MSun
Age 5.0 (± 3.0) Gyr
Effective temperature 3803.0 (± 10.0) K
Radius 0.439 (± 0.003) RSun
Metallicity [Fe/H] -0.43 (± 0.04)
Detected Disc
Magnetic Field
RA2000 06:37:11.0
Dec2000 +17:33:53
Alternate Names TOI-4599, GJ 239
Planetary system
2 planets

More data


Related publications

The HD 260655 system: Two rocky worlds transiting a bright M dwarf at 10 pc
2022 LUQUE R., FULTON B., KUNIMOTO M., AMADO P., GORRINI P. et al.
Astron. & Astrophys., submitted
arxiv