Planet K2-9 b

Detailed information about planet K2-9 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-9 b

Planet Status

Confirmed

Discovered in

2015

Publication Status

Published in a refereed paper

Update

2021-02-05

Mass

— 1 publication

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

Mass*sin(i)

—

Semi-Major Axis

0.091 (\begin{matrix} + 0.013 \\ - 0.016 \end{matrix})

AU 1 publication

Two Small Temperate Planets Transiting Nearby M Dwarfs in K2 Campaigns 0 and 1

Orbital Period

18.4498 (\begin{matrix} + 0.0015 \\ - 0.0015 \end{matrix})

day 1 publication

Two Small Temperate Planets Transiting Nearby M Dwarfs in K2 Campaigns 0 and 1

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.201 (\begin{matrix} + 0.047 \\ - 0.086 \end{matrix})

R_J 1 publication

Two Small Temperate Planets Transiting Nearby M Dwarfs in K2 Campaigns 0 and 1

Inclination

87.983 (\begin{matrix} + 1.593 \\ - 0.08 \end{matrix})

deg 1 publication

Two Small Temperate Planets Transiting Nearby M Dwarfs in K2 Campaigns 0 and 1

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

Primary Transit

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

0.9261 (\begin{matrix} + 0.008 \\ - 0.4929 \end{matrix})

1 publication

Two Small Temperate Planets Transiting Nearby M Dwarfs in K2 Campaigns 0 and 1

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

314.0 (\begin{matrix} + 67.0 \\ - 64.0 \end{matrix})

K 1 publication

Two Small Temperate Planets Transiting Nearby M Dwarfs in K2 Campaigns 0 and 1

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

EPIC 201465501 b, 2MASS J11450348+0000190 b, EPIC 201465501.01, WISE J114503.35+000019.3 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

K2-9

Distance

83.16 (\begin{matrix} + 0.37 \\ - 0.37 \end{matrix})

Spectral type

M2.5 V

Apparent magnitude V

—

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.3 (\begin{matrix} + 0.14 \\ - 0.14 \end{matrix})

M_Sun

Age

1.0 Gyr

Effective temperature

3390.0 (\begin{matrix} + 150.0 \\ - 150.0 \end{matrix})

Radius

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

R_Sun

Metallicity [Fe/H]

-0.25 (\begin{matrix} + 0.2 \\ - 0.2 \end{matrix})

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

11:45:03.5

Dec₂₀₀₀

+00:00:19.1

Alternate Names

EPIC 201465501, 2MASS J11450348+0000190, WISE J114503.35+000019.3

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-9 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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-9 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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

The Revised TESS Input Catalog and Candidate Target List

Two Small Temperate Planets Transiting Nearby M Dwarfs in K2 Campaigns 0 and 1

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