Planet ULAS J1238+0953

Detailed information about planet ULAS J1238+0953 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

ULAS J1238+0953

Planet Status

Confirmed

Discovered in

2008

Update

2024-07-13

Mass

29.0 (\pm 8.0)

M_J 1 publication

Constraining the multiplicity statistics of the coolest brown dwarfs: binary fraction continues to decrease with spectral type

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

—

Eccentricity

—

ω

—

T_peri

—

Radius

—

Inclination

—

Detection Method

Imaging

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

—

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

ULAS J123828.51+095351.3

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Spectral type T8.5.

No link

System without star

Distance

18.5 (\pm 4.3)

RA₂₀₀₀

12:38:28.5

Dec₂₀₀₀

+09:53:51.4

Planet ULAS J1238+0953

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Planet ULAS J1238+0953

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Related publications

Constraining the multiplicity statistics of the coolest brown dwarfs: binary fraction continues to decrease with spectral type

Mid-infrared followup of cold brown dwarfs: Diversity in age, mass and metallicity

Exploring the substellar temperature regime down to ~550K