Planet K2-19 b

Detailed information about planet K2-19 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-19 b

Planet Status

Confirmed

Discovered in

2015

Update

2021-02-05

Mass

0.1019 (\pm 0.0053)

M_J 1 publication

K2-19b and c are in a 3:2 Commensurability but out of Resonance: A Challenge to Planet Assembly by Convergent Migration

Mass*sin(i)

— 1 publication

Mass determination of K2-19b and K2-19c from radial velocities and transit timing variations

Semi-Major Axis

0.074 (\begin{matrix} + 0.0012 \\ - 0.0012 \end{matrix})

AU 1 publication

Eleven Multiplanet Systems from K2 Campaigns 1 and 2 and the Masses of Two Hot Super-Earths

Orbital Period

7.9194 (\begin{matrix} + 5e-05 \\ - 5e-05 \end{matrix})

day 1 publication

Eleven Multiplanet Systems from K2 Campaigns 1 and 2 and the Masses of Two Hot Super-Earths

Eccentricity

0.2 (\pm 0.03)

2 publications

K2-19b and c are in a 3:2 Commensurability but out of Resonance: A Challenge to Planet Assembly by Convergent Migration
Photo-dynamical mass determination of the multi-planetary system K2-19

ω

179.0 (\pm 52.0)

deg 1 publication

Photo-dynamical mass determination of the multi-planetary system K2-19

T_peri

—

Radius

0.691 (\begin{matrix} + 0.035 \\ - 0.035 \end{matrix})

R_J 1 publication

Eleven Multiplanet Systems from K2 Campaigns 1 and 2 and the Masses of Two Hot Super-Earths

Inclination

89.47 (\begin{matrix} + 0.41 \\ - 0.41 \end{matrix})

deg 1 publication

Eleven Multiplanet Systems from K2 Campaigns 1 and 2 and the Masses of Two Hot Super-Earths

Detection Method

Primary Transit

Mass Meas. Method

Spectrum

Radius Meas. Method

Primary Transit

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

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

1 publication

Eleven Multiplanet Systems from K2 Campaigns 1 and 2 and the Masses of Two Hot Super-Earths

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

854.0 K

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J11395048+0036129 b, EPIC 201505350 b, EPIC 201505350.02, WISE J113950.46+003612.9 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Sinukoff et al. compute the equilibrium temperature assuming an albedo of 0.3.

In 3:2 mean-motion resonance with K2-19 c. From dynamic modelling of the system, Barros et al. derive planetary masses of Mb = 44 ± 12 earth masses and Mc = 15.9 ± 7.0 earth masses.

No link

Star

Name

K2-19

Distance

292.14 (\begin{matrix} + 5.62 \\ - 5.62 \end{matrix})

Spectral type

G9 V

Apparent magnitude V

12.806

Mass

0.93 (\pm 0.05)

M_Sun 4 publications

Stellar and Planetary Properties of K2 Campaign 1 Candidates and Validation of 17 Systems, Including a Planet Receiving Earth-like Insolation
Characterization of the K2-19 Multiple-Transiting Planetary System via High-Dispersion Spectroscopy, AO Imaging, and Transit Timing Variations
Photo-dynamical mass determination of the multi-planetary system K2-19
Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths

Age

8.0 Gyr 1 publication

Characterization of the K2-19 Multiple-Transiting Planetary System via High-Dispersion Spectroscopy, AO Imaging, and Transit Timing Variations

Effective temperature

5430.0 (\pm 60.0)

K 3 publications

Stellar and Planetary Properties of K2 Campaign 1 Candidates and Validation of 17 Systems, Including a Planet Receiving Earth-like Insolation
Characterization of the K2-19 Multiple-Transiting Planetary System via High-Dispersion Spectroscopy, AO Imaging, and Transit Timing Variations
Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths

Radius

0.86 (\pm 0.04)

R_Sun 4 publications

Stellar and Planetary Properties of K2 Campaign 1 Candidates and Validation of 17 Systems, Including a Planet Receiving Earth-like Insolation
Characterization of the K2-19 Multiple-Transiting Planetary System via High-Dispersion Spectroscopy, AO Imaging, and Transit Timing Variations
Photo-dynamical mass determination of the multi-planetary system K2-19
Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths

Metallicity [Fe/H]

0.1 (\pm 0.04)

3 publications

Stellar and Planetary Properties of K2 Campaign 1 Candidates and Validation of 17 Systems, Including a Planet Receiving Earth-like Insolation
Characterization of the K2-19 Multiple-Transiting Planetary System via High-Dispersion Spectroscopy, AO Imaging, and Transit Timing Variations
Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

11:39:50.5

Dec₂₀₀₀

+00:36:12.9

Alternate Names

EPIC 201505350, 2MASS J11395048+0036129, WISE J113950.46+003612.9

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-19 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-19 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Apsidal Alignment and Anti-Alignment of Planets in Mean-Motion Resonance: Disk-Driven Migration and Eccentricity Driving

K2-19b and c are in a 3:2 Commensurability but out of Resonance: A Challenge to Planet Assembly by Convergent Migration

Resonance in the K2-19 system is at odds with its high reported eccentricities

The Planetary Mass-Radius Relation and its Dependence on Orbital Period as Measured by Transit Timing Variations and Radial Velocities

Eleven Multiplanet Systems from K2 Campaigns 1 and 2 and the Masses of Two Hot Super-Earths

Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths

Mass determination of K2-19b and K2-19c from radial velocities and transit timing variations

One of the closest planet pairs to the 3:2 Mean Motion Resonance, confirmed with K2 observations and Transit Timing Variations: EPIC201505350

Characterization of the K2-19 Multiple-Transiting Planetary System via High-Dispersion Spectroscopy, AO Imaging, and Transit Timing Variations

Photo-dynamical mass determination of the multi-planetary system K2-19

Stellar and Planetary Properties of K2 Campaign 1 Candidates and Validation of 17 Systems, Including a Planet Receiving Earth-like Insolation