Planet HD 133131 B b

Name HD 133131 B b
Planet Status Confirmed
Discovered in 2016
Mass 2.5 (± 0.05) MJ
Mass*sin(i) 2.5 (± 0.05) MJ
Semi-Major Axis
Orbital Period 6119.0 (± 831.0) JD
Eccentricity 0.62 (± 0.04)
ω
Tperi 2450298.0 JD
Radius
Inclination
Update 2016-08-24
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 37.29 (± 0.65) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 133131 B
Name HD 133131 B
Distance 47.0 pc
Spectral type G2
Apparent magnitude V 8.42
Mass 0.93 MSun
Age 9.7 Gyr
Effective temperature 5805.0 (± 15.0) K
Radius
Metallicity [Fe/H] -0.281 (± 0.013)
Detected Disc
Magnetic Field
RA2000 15:03:35.8
Dec2000 -27:50:28
Alternate Names
Planetary system 1 planet

Remarks

Desidera et al., A&A, 454, 553, 2006 : 133131A and 133131B are separated by approx. 360AU. c

More data

Observability Predictor

Remarks

The binary components HD 133131 A and HD133131 B are separated by 360 AU. The period is approx 4240 years.

Related publications

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B
2016 TESKE, J., SHECTMAN, S., VOGT, S., DIAZ, M., BUTLER, R. & 3 additional authors
ApJ, accepted
arxiv  paper   ADS