Planet K2-141 b

Detailed information about planet K2-141 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-141 b

Planet Status

Confirmed

Discovered in

2018

Update

2021-02-05

Mass

0.01598 (\begin{matrix} + 0.00129 \\ - 0.00129 \end{matrix})

M_J 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Mass*sin(i)

—

Semi-Major Axis

— 1 publication

EPIC 246393474 b: A 5-M⊕ super-Earth transiting a K7 V star every 6.7 hours

Orbital Period

0.2803244 (\pm 1.5e-06)

day 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Eccentricity

— 1 publication

EPIC 246393474 b: A 5-M⊕ super-Earth transiting a K7 V star every 6.7 hours

ω

90.0 deg

T_peri

—

Radius

0.135 (\begin{matrix} + 0.0045 \\ - 0.0045 \end{matrix})

R_J 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Inclination

86.3 (\begin{matrix} + 2.7 \\ - 3.6 \end{matrix})

deg 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2457744.0716 (\pm 0.00022)

JD 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Secondary transit

—

λ

—

Impact Parameter b

— 1 publication

EPIC 246393474 b: A 5-M⊕ super-Earth transiting a K7 V star every 6.7 hours

Time V_r=0

—

Velocity Semiamplitude K

6.25 (\pm 0.48)

m/s 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Calculated temperature

2039.0 (\begin{matrix} + 87.0 \\ - 48.0 \end{matrix})

K 1 publication

EPIC 246393474 b: A 5-M⊕ super-Earth transiting a K7 V star every 6.7 hours

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

EPIC 246393474 b, 2MASS J23233996-0111215 b, TYC 5244-714-1 b, WISE J232340.05-011121.1 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

K2-141

Distance

61.0 (\pm 2.0)

pc 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Spectral type

—

Apparent magnitude V

11.5

Mass

0.708 (\pm 0.028)

M_Sun 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Age

6.3 (\begin{matrix} + 6.6 \\ - 4.7 \end{matrix})

Gyr 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Effective temperature

4599.0 (\pm 79.0)

K 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Radius

0.681 (\pm 0.018)

R_Sun 1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Metallicity [Fe/H]

-0.06 (\begin{matrix} + 0.08 \\ - 0.1 \end{matrix})

1 publication

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

23:23:40.0

Dec₂₀₀₀

-01:11:21.0

Alternate Names

EPIC 246393474 , 2MASS J23233996-0111215

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-141 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-141 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Probing the Kepler hottest small planets via homogeneous search and analysis of optical secondary eclipses and phase variations

K2 and Spitzer phase curves of the rocky ultra-short-period planet K2-141 b hint at a tenuous rock vapor atmosphere

A compositional link between stars and their rocky planets

An internal heating mechanism operating in ultra-short-period planets orbiting magnetically active stars

The First Near-infrared Spectroscopic Phase-curve of a Super-Earth

A Hell of a Phase Curve: Mapping the Surface and Atmosphere of a Lava Planet K2-141b

Modelling the atmosphere of lava planet K2-141b: implications for low and high resolution spectroscopy

Homogeneous Analysis of Hot Earths: Masses, Sizes, and Compositions

Taking the Temperature of a Lava Planet

An ultra-short period rocky super-Earth with a secondary eclipse and a Neptune-like companion around K2-141

EPIC 246393474 b: A 5-M⊕ super-Earth transiting a K7 V star every 6.7 hours