Planet WISE J0458+6434 A

Name WISE J0458+6434 A
Planet Status Confirmed
Discovered in 2019
Mass 57.0 ( -28.0 +24.0 ) MJ
Mass*sin(i)
Semi-Major Axis 1.0 ( -0.12 +0.06 ) AU
Orbital Period 15500.0 ( -4400.0 +2550.0 ) day
Eccentricity 0.18 ( -0.18 +0.09 )
ω 110.0 ( -110.0 +130.0 ) deg
Tperi
Radius
Inclination 76.5 ( -2.3 +1.5 ) deg
Update 2019-09-05
Detection Method Astrometry
Mass Detection Method Astrometry
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names WISEP J045853.90+643452 A

System

Distance 9.24 (± 0.15) pc
RA2000 04:58:54.0
Dec2000 +64:34:52

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

Molecule Data Source Type Result Value Result Figure Notes Reference
CH4 Measurements Detected 2011 - MAINZER A.
H2O Measurements Detected 2011 - MAINZER A.

Observability Predictor


Related publications

3.8um Imaging of 400-600K Brown Dwarfs and Orbital Constraints for WISEP J045853.90+643452.6AB
2019 LEGGETT S., DUPUY T., MORLEY C., MARLEY M., BEST W. et al.
Astron. J., accepted
arxiv  

Distances, Luminosities, and Temperatures of the Coldest Known Substellar Objects
2013 DUPUY T. & KRAUS A.
Science, 341, 1492
paper   arxiv   ADS  

Resolved Spectroscopy of a Brown Dwarf Binary at the T Dwarf/Y Dwarf Transition
2012 BURGASSER A., GELINO C., CUSHING M. & KIRKPATRICK J.
ApJ, 745, 26
paper   arxiv   ADS  

WISE Brown Dwarf Binaries: The Discovery of a T5+T5 and a T8.5+T9 System
2011 GELINO Ch., KIRKPATRICK J., CUSHING M., EIDENHARDT P., GRIFFITH R. & 4 additional authors
Astron. J., 142, 57
paper  arxiv   ADS  

The First Ultra-cool Brown Dwarf Discovered by the Wide-field Infrared Survey Explorer
2011 MAINZER A., CUSHING M., SKRUTSKIE M., GELINO C., KIRKPATRICK J & 15 co-authors
ApJ, 726, 30
paper   arxiv   ADS