Planet HD 38858 b

Detailed information about planet HD 38858 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 38858 b

Planet Status

Unconfirmed

Discovered in

2011

Publication Status

—

Update

2025-09-13

Mass

—

Mass*sin(i)

0.0961 (\begin{matrix} + 0.012 \\ - 0.012 \end{matrix})

M_J

Semi-Major Axis

1.0376 (\pm 0.0189)

Orbital Period

407.15 (\pm 4.2857)

day

Eccentricity

0.27 (\pm 0.17)

Angular distance

0.068263 arcsec

ω

—

T_peri

—

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Kennedy et al. (2015) deem the Doppler signal an alias of a 10.8 y magnetic cycle.

No link

Star

Name

HD 38858

Distance

15.2 (\pm 0.09)

Spectral type

G4V

Apparent magnitude V

5.97

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

—

Age

—

Effective temperature

—

Radius

—

Metallicity [Fe/H]

—

Detected Disc

IR Excess 1 publication

New Debris Disks around Nearby Main-Sequence Stars: Impact on the Direct Detection of Planets

Magnetic Field

—

RA₂₀₀₀

05:48:35.0

Dec₂₀₀₀

-04:05:41.0

Alternate Names

—

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 38858 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 0 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 38858 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 0 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

HD 38858: a solar-type star with an activity cycle of ∼10.8 yr

Kuiper belt structure around nearby super-Earth host stars

Metallicity of solar-type stars with debris discs and planets

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities

The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets

The Exoplanet Handbook

New Debris Disks around Nearby Main-Sequence Stars: Impact on the Direct Detection of Planets