Planet HD 42936 b

Name HD 42936 b
Planet Status Confirmed
Discovered in 2019
Mass
Mass*sin(i) 0.00812 (± 0.00182) MJ
Semi-Major Axis 0.0662 (± 0.0013) AU
Orbital Period 6.6732 (± 0.0003) day
Eccentricity 0.14 ( -0.05 +0.09 )
ω 80.57 ( -62.0 +73.0 ) deg
Tperi 2454579.56469 JD
Radius
Inclination
Update 2019-12-26
Detection Method Radial Velocity
Mass Detection Method Spectrum
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 0.97 (± 0.2) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names DMPP-3A b

Star

HD 42936
Name HD 42936
Distance 48.9 (± 0.6) pc
Spectral type KOIV
Apparent magnitude V 9.1
Mass 0.87 (± 0.05) MSun
Age 10.9 (± 4.7) Gyr
Effective temperature 5138.0 (± 99.0) K
Radius 0.91 (± 0.02) RSun
Metallicity [Fe/H] 0.18 (± 0.09)
Detected Disc
Magnetic Field
RA2000 06:06:30.0
Dec2000 -72:30:46
Alternate Names
Planetary system 1 planet

Remarks

26 Dec 2019: There is a nearby B star detected by radial velocity (M. sin i = 80 MJup) on an eccentric orbit (a = 1.11 AU, e = 0.6) (Barnes et al. 2019)

More data


Related publications

An ablating 2.6 MEarth super-Earth in an eccentric binary from the Dispersed Matter Planet Project
2019 BARNES J., HASWELL C., STAAB D., ANGLADA-ESCUDE G., FOSSATI L. et al.
Nature Astronomy, in press
paper  arxiv