Planet HD 133131 A b

Name HD 133131 A b
Planet Status Confirmed
Discovered in 2016
Mass 1.43 (± 0.04) MJ
Mass*sin(i) 1.43 (± 0.04) MJ
Semi-Major Axis 1.44 (± 0.005) AU
Orbital Period 649.0 (± 3.0) JD
Eccentricity 0.32 (± 0.03)
ω
Tperi
Radius
Inclination
Update 2016-08-24
Detection Method Radial Velocity
Mass Detection Method
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 36.68 (± 0.93) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 133131 A
Name HD 133131 A
Distance 47.0 pc
Spectral type G2V
Apparent magnitude V 8.4
Mass 0.95 MSun
Age 9.7 Gyr
Effective temperature 5799.0 (± 19.0) K
Radius
Metallicity [Fe/H] -0.306 (± 0.016)
Detected Disc
Magnetic Field
RA2000 15:03:35.8
Dec2000 -27:50:28
Alternate Names
Planetary system
2 planets

Remarks

Desidera et al., A&A, 454, 553, 2006 : 133131A and 133131B are separated by approx. 360AU. The period is approx 4240 years.

More data

AMD-Stability Calculator for the System

Observability Predictor

Remarks

133131A and 133131B 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