Planet 18 Leo b

Detailed information about planet 18 Leo b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

18 Leo b

Planet Status

Candidate

Discovered in

2004

Publication Status

Published in a refereed paper

Update

2024-07-07

Mass

—

Mass*sin(i)

12.7 (\pm 1.2)

M_J 1 publication

A High Precision Radial Velocity Survey of K Giants

Semi-Major Axis

1.72 (\pm 0.02)

AU 1 publication

A High Precision Radial Velocity Survey of K Giants

Orbital Period

595.4 (\begin{matrix} + 11.2 \\ - 11.5 \end{matrix})

day 1 publication

A High Precision Radial Velocity Survey of K Giants

Eccentricity

0.0 1 publication

A High Precision Radial Velocity Survey of K Giants

Angular distance

—

ω

0.0 (\begin{matrix} + 5.4 \\ - 5.8 \end{matrix})

deg 1 publication

A High Precision Radial Velocity Survey of K Giants

T_peri

—

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

— 1 publication

A High Precision Radial Velocity Survey of K Giants

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

HIP 47959 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

18 Leo

Distance

221.155 (\pm 11.449)

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

K4III

Apparent magnitude V

5.64

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.9 M_Sun 1 publication

A High Precision Radial Velocity Survey of K Giants

Age

—

Effective temperature

4085.54 (\pm 49.0034)

K 1 publication

The Revised TESS Input Catalog and Candidate Target List

Radius

48.5 R_Sun 1 publication

A High Precision Radial Velocity Survey of K Giants

Metallicity [Fe/H]

-0.32 (\pm 0.1)

1 publication

Precise radial velocities of giant stars. VII. Occurrence rate of giant extrasolar planets as a function of mass and metallicity

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

09:46:23.3

Dec₂₀₀₀

+11:48:00.0

Alternate Names

HIP 47959

No remarks

No link

Simbad
Most recent references (ADS)

Planet 18 Leo b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

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 18 Leo b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

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

The Revised TESS Input Catalog and Candidate Target List

Precise radial velocities of giant stars. VII. Occurrence rate of giant extrasolar planets as a function of mass and metallicity

A High Precision Radial Velocity Survey of K Giants