Planet HD 38677 d

Name HD 38677 d
Planet Status Confirmed
Discovered in 2020
Mass
Mass*sin(i) 0.01054 (± 0.0011) MJ
Semi-Major Axis 0.0422 (± 0.0003) AU
Orbital Period 2.882 (± 0.001) day
Eccentricity 0.07 ( -0.07 +0.0 )
ω
Tperi 2457375.58981 JD
Radius 1.393 RJ
Inclination
Update 2020-05-15
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 1.326 (± 0.13) m/s
Calculated temperature 1632.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names DMPP-1 d

Star

HD 38677
Name HD 38677
Distance 62.0 (± 1.0) pc
Spectral type F8V
Apparent magnitude V 8.0
Mass 1.21 (± 0.03) MSun
Age 2.01 (± 0.54) Gyr
Effective temperature 6196.0 (± 29.0) K
Radius 1.26 (± 0.02) RSun
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 05:47:06.0
Dec2000 -10:37:49
Alternate Names
Planetary system
4 planets

More data


Related publications

A possible transit of a disintegrating exoplanet in the nearby multiplanet system DMPP-1
2020 JONES M., HASWELL C., BARNES J., STAAB D. & HELLER R.
ApJ. Letters, 895, L17
paper   arxiv

A compact multi-planet system around a bright nearby star from the Dispersed Matter Planet Project
2019 STAAB D., HASWELL C., BARNES J., ANGLADA-ESCUDE G., FOSSATI L. et al.
Nature Astronomy, in press
paper  arxiv