Planet 2MASS J2117-2940

Detailed information about planet 2MASS J2117-2940 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

2MASS J2117-2940

Planet Status

Confirmed

Discovered in

2015

Update

2024-06-30

Mass

7.0 (\pm 2.0)

M_J 1 publication

Let the Great World Spin: Revealing the Stormy, Turbulent Nature of Young Giant Exoplanet Analogs with the Spitzer Space Telescope

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

—

Eccentricity

—

ω

—

T_peri

—

Radius

1.38 (\pm 0.05)

R_J 1 publication

Let the Great World Spin: Revealing the Stormy, Turbulent Nature of Young Giant Exoplanet Analogs with the Spitzer Space Telescope

Inclination

—

Detection Method

Imaging

Mass Meas. Method

Spectrum

Radius Meas. Method

Flux

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

1192.0 (\pm 80.0)

K 1 publication

Let the Great World Spin: Revealing the Stormy, Turbulent Nature of Young Giant Exoplanet Analogs with the Spitzer Space Telescope

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

3.95

1 publication

Let the Great World Spin: Revealing the Stormy, Turbulent Nature of Young Giant Exoplanet Analogs with the Spitzer Space Telescope

Alternate Names

2MASS J21171431-2940034

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Vos et al. 2022 : parameters assume membership in the group AM/HLM BPMG. Estimated age is 16-28 Myr. SpT IR=T0. THere are two discrepant parallax values. The second slution (13pc) gives 7 M_J.

No link

System without star

Distance

16.9 (\pm 1.7)

RA₂₀₀₀

21:17:14.3

Dec₂₀₀₀

-29:40:03.4

Planet 2MASS J2117-2940

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 J2117-2940

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

Let the Great World Spin: Revealing the Stormy, Turbulent Nature of Young Giant Exoplanet Analogs with the Spitzer Space Telescope

Spectral characterization of newly detected young substellar binaries with SINFONI

A Search for L/T Transition Dwarfs with Pan-STARRS1 and WISE. III. Young L Dwarf Discoveries and Proper Motion Catalogs in Taurus and Scorpius-Centaurus