Planet 2MASS J2208+2921

Detailed information about planet 2MASS J2208+2921 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

2MASS J2208+2921

Planet Status

Confirmed

Discovered in

2000

Update

2024-07-17

Mass

10.0 (\pm 1.0)

M_J 2 publications

Revealing the Vertical Cloud Structure of a young low-mass Brown Dwarf, an analog to the beta-Pictoris b directly-imaged exoplanet, through Keck I/MOSFIRE spectro-photometric variability
Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

—

Eccentricity

—

ω

—

T_peri

—

Radius

1.41 (\pm 0.2)

R_J 1 publication

Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime

Inclination

—

Detection Method

Imaging

Mass Meas. Method

Spectrum

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

1804.0 (\pm 132.0)

K 1 publication

Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2M2208+2921, 2MASS J22081363+2921215, 2MASSW J2208136+292121

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Cruz et al. (2009): Spectral type L3γ. Member of the β-Pictoris young moving group (23 ± 3 Myr). It is an analog of beta-Pictoris b
Manjavacas et al. (2021): Detection of variability amplitude on the alkali lines.

No link

System without star

Distance

50.0 (\pm 4.0)

RA₂₀₀₀

22:08:13.6

Dec₂₀₀₀

+29:21:21.5

Planet 2MASS J2208+2921

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 J2208+2921

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

Revealing the Vertical Cloud Structure of a young low-mass Brown Dwarf, an analog to the beta-Pictoris b directly-imaged exoplanet, through Keck I/MOSFIRE spectro-photometric variability

Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime

Young L Dwarfs Identified in the Field: A Preliminary Low-Gravity, Optical Spectral Sequence from L0 to L5

67 additional L dwarfs discovered by the Two Micron All Sky Survey