Planet GJ 570 D

Name GJ 570 D
Planet Status Confirmed
Discovered in 2000
Mass 42.5 ( -4.5 +4.5 ) MJ
Mass*sin(i)
Semi-Major Axis 1500.0 AU
Orbital Period
Eccentricity
ω
Tperi
Radius 0.855 ( -0.023 +0.023 ) RJ
Inclination
Update 2017-07-13
Detection Method Imaging
Mass Detection Method Theoretical
Radius Detection Method Theoretical
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 810.0 (± 10.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HR 5568 D

Star

GJ 570 ABC
Name GJ 570 ABC
Distance 5.91 (± 0.06) pc +
Spectral type K4/M1/M3
Apparent magnitude V 5.64
Mass 0.802 (± 0.04) MSun
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
Alternate Names HR 5568 ABC
Planetary system 1 planet

Remarks

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.

More data

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

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

Observability Predictor


Related publications

Supervised Machine Learning for Inter-comparision of Model Grids of Brown Dwarfs: Application to GJ 570D and the Epsilon Indi B Binary System
2019 ORESHENKO M., KITZMANN D., MARQUEZ-NELLA P., MALIK M., MARLEY M. et al.
ApJ, submitted
arxiv  

Mass-radius relation of low and very low-mass stars revisited with the VLTI
2009 DEMORY, B.O., SEGRANSAN, D., FORVEILLE, T. & 7 additional authors
arxiv  paper   ADS  

Ammonia as a tracer of chemical equilibrium in the T7.5 dwarf Gliese 570D
2006 SAUMON, D., MARLEY, M., CUSHING, M. & 4 additional authors
ApJ
arxiv  paper   ADS  

Discovery of a Brown Dwarf Companion to Gliese 570ABC: A 2MASS T Dwarf Significantly Cooler than Gliese 229B
2000 BURGASSER, A., KIRKPATRICK, J., CUTRI, R. & 10 additional authors
ApJ, 531, L57
arxiv  paper   ADS