Planet GJ 570 D

Detailed information about planet GJ 570 D and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

GJ 570 D

Planet Status

Confirmed

Discovered in

2000

Publication Status

—

Update

2024-07-13

Mass

42.5 (\begin{matrix} + 4.5 \\ - 4.5 \end{matrix})

M_J 1 publication

Ammonia as a tracer of chemical equilibrium in the T7.5 dwarf Gliese 570D

Mass*sin(i)

—

Semi-Major Axis

1500.0 AU 1 publication

Discovery of a Brown Dwarf Companion to Gliese 570ABC: A 2MASS T Dwarf Significantly Cooler than Gliese 229B

Orbital Period

—

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.855 (\begin{matrix} + 0.023 \\ - 0.023 \end{matrix})

R_J 1 publication

Ammonia as a tracer of chemical equilibrium in the T7.5 dwarf Gliese 570D

Inclination

—

Detection Method

Imaging

Mass Meas. Method

Theoretical

Radius Meas. Method

Theoretical

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

810.0 (\pm 10.0)

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

GJ 570 (ABC)b, HR 5568 D

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference
NH3
NH3	Measurements	Detected				2006 - SAUMON

No remarks

No link

Star

Name

GJ 570 (ABC)

Distance

5.91 (\pm 0.06)

pc 1 publication

Discovery of a Brown Dwarf Companion to Gliese 570ABC: A 2MASS T Dwarf Significantly Cooler than Gliese 229B

Spectral type

K4/M1/M3

Apparent magnitude V

5.64

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.802 (\pm 0.04)

M_Sun

Age

—

Effective temperature

4758.0 K

Radius

—

Metallicity [Fe/H]

0.06

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

14:57:28.0

Dec₂₀₀₀

-21:24:55.0

Alternate Names

HR 5568, HD 131977, KX Lib

Burgasser et al. (2000) : Gliese 570 is comprised of a K4V primary and a M1.5-M3V close binary. Mass, distance, metallicity, temperature, magnitude are for GJ570 A.

No link

Simbad
Most recent references (ADS)

Planet GJ 570 D

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 1 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet GJ 570 D

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 1 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

The Carbon-to-oxygen Ratio in Cool Brown Dwarfs and Giant Exoplanets. I. The Benchmark Late-T Dwarfs GJ 570D, HD 3651B, and Ross 458C

Retrieval study of cool, directly imaged exoplanet 51 Eri b

Supervised Machine Learning for Inter-comparision of Model Grids of Brown Dwarfs: Application to GJ 570D and the Epsilon Indi B Binary System

Searching for T dwarfs in the ρ Oph dark cloud L 1688

Ammonia as a tracer of chemical equilibrium in the T7.5 dwarf Gliese 570D

Discovery of a Brown Dwarf Companion to Gliese 570ABC: A 2MASS T Dwarf Significantly Cooler than Gliese 229B