Planet 2MASS J0249-0557B

Name 2MASS J0249-0557B
Planet Status Confirmed
Discovered in 2018
Mass 44.0 ( -11.0 +14.0 ) MJ
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Update 2018-07-31
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

System

Distance 48.9 ( -5.4 +4.4 ) pc
RA2000 02:49:56.4
Dec2000 -05:57:35

Observability Predictor

Remarks

Dupuy et al. 2018 : 2MASS J0249−0557ABc is a bound triple system with an 11.6 MJup object separated by 1950 ± 200 AU from a relatively close (2.17 AU) pair of 48MJup and 44 MJup objects. Spectral type of 2MASS J0249−0557AB : M6

Related publications

The Hawaii Infrared Parallax Program. III. 2MASS J0249-0557 c: A Wide Planetary-mass Companion to a Low-mass Binary in the beta Pic Moving Group
2018 DUPUY, T., LIU, M., ALLERS, K. BILLER, B. KRATTER K. et al.
Astron. J., 156, 57
arxiv  paper   ADS