Planet TOI-238 b

Detailed information about planet TOI-238 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name

TOI-238 b

Planet Status

Confirmed

Discovered in

2023

Publication Status

—

Update

2025-02-13

Mass

0.0106 (\pm 0.00154)

M_J 2 publications

Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b
VaTEST III: Validation of eight potential super-earths from TESS data

Mass*sin(i)

—

Semi-Major Axis

0.0212 (\pm 0.0004)

AU 2 publications

Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b
VaTEST III: Validation of eight potential super-earths from TESS data

Orbital Period

1.273099 (\pm 1.6e-06)

day 2 publications

Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b
VaTEST III: Validation of eight potential super-earths from TESS data

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.13909 (\pm 0.00419)

R_J 2 publications

Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b
VaTEST III: Validation of eight potential super-earths from TESS data

Inclination

85.78 (\begin{matrix} + 2.2 \\ - 3.4 \end{matrix})

deg 1 publication

VaTEST III: Validation of eight potential super-earths from TESS data

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2460205.7524 (\pm 0.001)

JD 2 publications

Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b
VaTEST III: Validation of eight potential super-earths from TESS data

Secondary transit

—

λ

—

Impact Parameter b

0.23 (\pm 0.12)

2 publications

Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b
VaTEST III: Validation of eight potential super-earths from TESS data

Time V_r=0

—

Velocity Semiamplitude K

2.36 (\pm 0.32)

m/s 1 publication

Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b

Calculated temperature

1378.0 (\pm 30.0)

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

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

TOI-238

Distance

80.53 (\pm 0.33)

pc 1 publication

VaTEST III: Validation of eight potential super-earths from TESS data

Spectral type

—

Apparent magnitude V

10.7

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.788 (\pm 0.048)

M_Sun 1 publication

VaTEST III: Validation of eight potential super-earths from TESS data

Age

6.0 (\begin{matrix} + 5.2 \\ - 4.1 \end{matrix})

Gyr 1 publication

VaTEST III: Validation of eight potential super-earths from TESS data

Effective temperature

5080.0 (\pm 130.0)

K 1 publication

VaTEST III: Validation of eight potential super-earths from TESS data

Radius

0.75 (\pm 0.026)

R_Sun 1 publication

VaTEST III: Validation of eight potential super-earths from TESS data

Metallicity [Fe/H]

-0.05 (\pm 0.26)

1 publication

VaTEST III: Validation of eight potential super-earths from TESS data

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

23:16:55.0

Dec₂₀₀₀

-18:36:24.0

Alternate Names

—

No remarks

No link

Simbad
Most recent references (ADS)

Planet TOI-238 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 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet TOI-238 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 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Escape of water- and metal-enriched atmospheres from compact hot mini-Neptunes with CHAIN

Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b

VaTEST III: Validation of eight potential super-earths from TESS data