Planet K2-139 b

Detailed information about planet K2-139 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-139 b

Planet Status

Confirmed

Discovered in

2017

Update

2021-02-05

Mass

0.381 (\begin{matrix} + 0.045 \\ - 0.045 \end{matrix})

M_J 1 publication

K2-139 b: a low-mass warm Jupiter on a 29-day orbit transiting an active K0 V star

Mass*sin(i)

—

Semi-Major Axis

0.1796 (\begin{matrix} + 0.0015 \\ - 0.0015 \end{matrix})

AU 1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Orbital Period

28.380619 (\begin{matrix} + 0.000551 \\ - 0.000528 \end{matrix})

day 1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Eccentricity

— 1 publication

K2-139 b: a low-mass warm Jupiter on a 29-day orbit transiting an active K0 V star

ω

—

T_peri

—

Radius

0.813 (\begin{matrix} + 0.015 \\ - 0.015 \end{matrix})

R_J 1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Inclination

89.55 (\pm 0.13)

deg 1 publication

K2-139 b: a low-mass warm Jupiter on a 29-day orbit transiting an active K0 V star

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2457325.81705 (\pm 0.00033)

JD 1 publication

K2-139 b: a low-mass warm Jupiter on a 29-day orbit transiting an active K0 V star

Secondary transit

—

λ

—

Impact Parameter b

0.17 (\begin{matrix} + 0.16 \\ - 0.12 \end{matrix})

1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Time V_r=0

—

Velocity Semiamplitude K

26.9 (\pm 3.2)

m/s 1 publication

K2-139 b: a low-mass warm Jupiter on a 29-day orbit transiting an active K0 V star

Calculated temperature

524.0 (\begin{matrix} + 8.0 \\ - 8.0 \end{matrix})

K 1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J19161596-1754384 b, EPIC 218916923 b, EPIC 218916923.01, TYC 6300-2008-1 b, WISE J191615.99-175438.5 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

K2-139

Distance

154.6 (\begin{matrix} + 0.94 \\ - 0.94 \end{matrix})

Spectral type

K0 V

Apparent magnitude V

11.7

Mass

0.96 (\begin{matrix} + 0.02 \\ - 0.02 \end{matrix})

M_Sun

Age

1.8 (\pm 0.3)

Gyr 1 publication

K2-139 b: a low-mass warm Jupiter on a 29-day orbit transiting an active K0 V star

Effective temperature

5370.0 (\begin{matrix} + 68.0 \\ - 68.0 \end{matrix})

Radius

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

R_Sun

Metallicity [Fe/H]

0.24 (\begin{matrix} + 0.05 \\ - 0.05 \end{matrix})

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:16:16.0

Dec₂₀₀₀

-17:54:38.5

Alternate Names

2MASS J19161596-1754384, EPIC 218916923, TYC 6300-2008-1, WISE J191615.99-175438.5

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-139 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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-139 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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

High-resolution transmission spectroscopy of warm Jupiters: An ESPRESSO sample with predictions for ANDES

High-resolution Transmission Spectroscopy of Warm Jupiters: An ESPRESSO Sample with Predictions for ANDES

A CHEOPS Search for Massive, Long-Period Companions to the Warm Jupiter K2-139 b

K2-139 b: a low-mass warm Jupiter on a 29-day orbit transiting an active K0 V star

Sixty Validated Planets from K2 Campaigns 5-8