Planet VHS 1256-1257 b

Name VHS 1256-1257 b
Planet Status Confirmed
Discovered in 2015
Mass 11.2 ( -1.8 +9.7 ) MJ
Mass*sin(i)
Semi-Major Axis 102.0 (± 9.0) AU
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Update 2016-07-25
Detection Method Imaging
Mass Detection Method Spectrum
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature 880.0 K
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

VHS 1256-1257
Name VHS 1256-1257
Distance 12.7 (± 1.0) pc
Spectral type M7.5
Apparent magnitude V 17.8
Mass 0.073 ( -0.02 +0.015 ) MSun
Age 0.2 ( -0.1 +0.05 ) Gyr
Effective temperature 2620.0 (± 140.0) K
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 12:56:02.0
Dec2000 -12:57:24
Alternate Names
Planetary system 1 planet

Remarks

Rich et al., 2016 : the central star is a binary, whose components are nearly equal in brightness and separated by 0.106" +/- 0.001".

More data

Observability Predictor

Remarks

Rich et al., 2016 : the central star is a binary, whose components are nearly equal in brightness and separated by 0.106" +/- 0.001".

Related publications

Adaptive Optics imaging of VHS 1256-1257: A Low Mass Companion to a Brown Dwarf Binary System
2016 STONE J., SKEMER A., KRATTER K., DUPUY T., CLOE L. et al.
ApJ, accepted
arxiv  

Thermal Infrared Imaging and Atmospheric Modeling of VHS J125601.92-125723.9 b: Evidence for Moderately Thick Clouds and Equilibrium Carbon Chemistry in a Hierarchical Triple System
2016 RICH, E., CURRIE, T., WISNIEWSKI, J., HASHIMOTO, J., BRANDT, T. & 3additional authors
ApJ, 830, 114
arxiv  paper   ADS  

Discovery of a young planetary mass companion to the nearby M dwarf VHS J125601.92-125723.9
2015 GAUZA B., BEJAR V., PEREZ-GARRIDO A., ZAPATERO-OSORIO M.-R., LODIEU N. et al.
ApJ, 804
paper  arxiv  ADS