Planet ROXs 42B b

Name ROXs 42B b
Planet Status Confirmed
Discovered in 2013
Mass 9.0 ( -3.0 +3.0 ) MJ
Mass*sin(i)
Semi-Major Axis 140.0 (± 10.0) AU
Orbital Period
Eccentricity
ω
Tperi
Radius 2.5 RJ
Inclination
Update 2015-04-02
Detection Method Imaging
Mass Detection Method
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature 1975.0 K
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH) 3.6
Alternate Names

Star

ROXs 42B
Name ROXs 42B
Distance 135.0 (± 5.0) pc
Spectral type M0 D
Apparent magnitude V 14.27
Mass 0.6 MSun
Age 0.0068 ( -0.0023 +0.0034 ) Gyr
Effective temperature 2200.0 (± 200.0) K
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 16:31:15.0
Dec2000 -24:32:44
Alternate Names
Planetary system 1 planet

Remarks

Alias 2MASS J16311501-2432436

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
CO Measurements Detected None 2014 - CURRIE T.
H2O Measurements Detected None 2014 - BOWLER B.
K Measurements Detected None 2014 - BOWLER B.

Observability Predictor

Remarks

(Currie et al., ApJ, 707, 104, 2014): spectral type L0±1. Very dusty/cloudy planet.

(Bowler et al. 2014): strong FeH absorptions.

(Bowler et al. 2014): a candidate for a second companion marked in previous observations is very likely a background object.


Related publications

The Effect of Protoplanetary Disk Cooling Times on the Formation of Gas Giant Planets by Gravitational Instability
2017 BOSS A.
ApJ, accepted
arxiv  

Mid-infrared characterization of the planetary-mass companion ROXs 42B b
2017 DAEMGEN, S., TODOROV, K. SILVA, J. & 10 additional authors
Astron. & Astrophys., 601, A65
paper   arxiv  ADS  

Imaging Extrasolar Giant Planets
2016 BOWLER B.
PASP, 128, 102001
paper  arxiv  ADS  

Spectroscopic Confirmation of Young Planetary-Mass Companions on Wide Orbits
2014 BOWLER B., LIU M., KRAUS A. & MANN A.
ApJ, 784, 65
paper  arxiv   ADS  

A First-Look Atmospheric Modeling Study of the Young Directly-Imaged Planet-Mass Companion, ROXs 42Bb
2014 CURRIE T., BURROWS A. & DAEMGEN S.
ApJ, 787, 104
paper  arxiv   ADS  

Direct Imaging and Spectroscopy of a Candidate Companion Below/Near the Deuterium-Burning Limit In The Young Binary Star System, ROXs 42B
2014 CURRIE T., DAEMGEN S., DEBES J., LAFRENIERE D., ITOH Y. & 3 additional authors
ApJ Letters, 780, L30
paper  arxiv   ADS  

Three Wide Planetary-Mass Companions to FW Tau, ROXs 12, and ROXs 42B
2014 KRAUS A., IRELAND M., CIEZA L., HINKLEY S., DUPUY T. & 2 additonal authors
ApJ, 781, 20
paper  arxiv   ADS