Planet HD 133131 A c

Name HD 133131 A c
Planet Status Confirmed
Discovered in 2016
Mass 0.48 (± 0.14) MJ
Mass*sin(i) 0.48 (± 0.14) MJ
Semi-Major Axis 4.36 (± 0.82) AU
Orbital Period 3407.0 (± 970.0) JD
Eccentricity 0.47 (± 0.22)
ω
Tperi 2452277.0 (± 1171.0) 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 7.57 (± 2.1) 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

Observability Predictor

Remarks

The binary components 133131A nd 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