Planet HD 29021

Name HD 29021
Planet Status Confirmed
Discovered in 2017
Mass 2.4 (± 0.2) MJ
Mass*sin(i) 2.4 (± 0.2) MJ
Semi-Major Axis 2.28 ( -0.08 +0.07 ) AU
Orbital Period 1362.3 ( -4.0 +4.6 ) JD
Eccentricity 0.459 (± 0.008)
ω
Tperi 2455823.9 ( -5.7 +6.1 ) JD
Radius
Inclination
Update 2017-02-27
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 56.4 (± 0.9) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 29021
Name HD 29021
Distance 30.6 (± 0.4) pc
Spectral type G5
Apparent magnitude V 7.76
Mass 0.85 (± 0.08) MSun
Age 7.4 (± 3.1) Gyr
Effective temperature 5560.0 (± 45.0) K
Radius 0.85 (± 0.09) RSun
Metallicity [Fe/H] -0.24 (± 0.02)
Detected Disc
Magnetic Field
RA2000 04:37:52.2
Dec2000 +60:40:34
Alternate Names 2MASS J04375221+6040344
Planetary system 1 planet

More data


Related publications

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia
2017 REY, J., HÉBRARD, G., BOUCHY, F. & 22 additional authors
Astron. & Astrophys., accepted
arxiv  paper   ADS