Planet K2-146 b

Detailed information about planet K2-146 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-146 b

Planet Status

Confirmed

Discovered in

2018

Update

2021-02-05

Mass

0.01816 (\begin{matrix} + 0.00024 \\ - 0.00024 \end{matrix})

M_J 1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

Mass*sin(i)

—

Semi-Major Axis

0.027 (\pm 0.001)

AU 1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

Orbital Period

2.6446 (\begin{matrix} + 6e-05 \\ - 6e-05 \end{matrix})

day 1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

Eccentricity

0.129 (\begin{matrix} + 0.019 \\ - 0.019 \end{matrix})

1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

ω

-64.0 (\begin{matrix} + 6.0 \\ - 6.0 \end{matrix})

deg 1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

T_peri

—

Radius

0.183 (\begin{matrix} + 0.005 \\ - 0.005 \end{matrix})

R_J 1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

Inclination

88.93 (\begin{matrix} + 0.11 \\ - 0.11 \end{matrix})

deg 1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

Primary Transit

Primary transit

2457139.35327 (\pm 0.00085)

JD 1 publication

Exoplanets around Low-mass Stars Unveiled by K2

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

2MASS J08400641+1905346 b, EPIC 211924657 b, EPIC 211924657.01, WISE J084006.41+190533.1 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

K2-146

Distance

79.31 (\pm 0.45)

pc 1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

Spectral type

M3.0 V

Apparent magnitude V

16.25

Mass

0.33 (\begin{matrix} + 0.01 \\ - 0.01 \end{matrix})

M_Sun

Age

5.0 (\begin{matrix} + 4.0 \\ - -2.0 \end{matrix})

Gyr

Effective temperature

3385.0 (\pm 70.0)

K 1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

Radius

0.33 (\pm 0.01)

R_Sun 1 publication

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

Metallicity [Fe/H]

-0.02 (\pm 0.12)

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

08:40:06.4

Dec₂₀₀₀

+19:05:34.4

Alternate Names

UCAC3 219-93463, 2MASS J08400641+1905346, K2-146, EPIC 211924657, WISE J084006.41+190533.1

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-146 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 K2-146 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

It takes two planets in resonance to tango around K2-146

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession

Exoplanets around Low-mass Stars Unveiled by K2