Planet 2MASS J1209-1004 b

Detailed information about planet 2MASS J1209-1004 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

2MASS J1209-1004 b

Planet Status

Confirmed

Discovered in

2010

Update

2024-06-29

Mass

25.0 (\pm 5.0)

M_J 1 publication

Discovery of a highly unequal-mass binary T dwarf with Keck laser guide star adaptive optics: a coevality test of substellar theoretical models and effective temperatures

Mass*sin(i)

—

Semi-Major Axis

3.31 (\begin{matrix} + 3.43 \\ - 0.86 \end{matrix})

Orbital Period

8030.0 (\begin{matrix} + 15330.0 \\ - 2920.0 \end{matrix})

day 1 publication

Discovery of a highly unequal-mass binary T dwarf with Keck laser guide star adaptive optics: a coevality test of substellar theoretical models and effective temperatures

Eccentricity

—

ω

—

T_peri

—

Radius

1.01 (\pm 0.03)

R_J 1 publication

Discovery of a highly unequal-mass binary T dwarf with Keck laser guide star adaptive optics: a coevality test of substellar theoretical models and effective temperatures

Inclination

—

Detection Method

Imaging

Mass Meas. Method

Theoretical

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

802.0 (\pm 107.0)

K 1 publication

Discovery of a highly unequal-mass binary T dwarf with Keck laser guide star adaptive optics: a coevality test of substellar theoretical models and effective temperatures

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J12095613-1004008 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Spectral type T7.5. Assumed age 1 Gyr.

No link

System without star

Distance

21.0 (\pm 4.0)

RA₂₀₀₀

12:09:56.1

Dec₂₀₀₀

-10:04:00.8

Planet 2MASS J1209-1004 b

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 2MASS J1209-1004 b

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

WISE 2150-7520AB: A Very Low-mass, Wide Comoving Brown Dwarf System Discovered through the Citizen Science Project Backyard Worlds: Planet 9

Discovery of a highly unequal-mass binary T dwarf with Keck laser guide star adaptive optics: a coevality test of substellar theoretical models and effective temperatures