Planet HD 128311 c

Name HD 128311 c
Discovered in 2005
Mass 3.21 (± 0.3) MJ
Semi-major axis 1.76 (± 0.13) AU
Orbital period 919.0 day
Eccentricity 0.17 (± 0.09)
ω 195.5 (± 150.0) deg
Tperi 2450012.2 (± 401.0) JD
Radius
Inclination 50.0 (± 10.0) deg;
Update May 11, 2011
Detection Method Radial Velocity
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit
Secondary transit
Anomaly angle
impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitute
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Observability Predictor

Other web-pages

Star

Name HD 128311
Distance 16.6 pc
Spectral type K0V
Apparent magnitude V 7.51
Mass 0.84 MSun
Age 0.39 Gyr
Effective temperature 4965.0 K
Radius 0.73 RSun
Metallicity [Fe/H] 0.08
Detected Disc IR Excess
Magnetic Field
RA2000 14:36:00.0
Dec2000 +09:44:47
Alternate Names
Planetary system 2 planets

More data


Related publications

Reanalysis of radial velocity data from the resonant planetary system HD128311
2015 REIN H.
MNRAS, 448, L58
paper  arxiv  

Five New Multicomponent Planetary Systems
2005 VOGT S., BUTLER P., MARCY G., FISCHER D., HENRY G., LAUGHLIN G., WRIGHT J. & JOHNSON A.
ApJ, 632, 638
paper

HST/FGS Astrometry of Nearby Stars - Exoplanet Masses and Exoplanetary System Architecture
2011 BENEDICT F.
paper

Debris Disks around Sun-like Stars
2008 TRILLING D., BRYDEN G., BEICHMAN C., RIEKE G., SU K., STANSBERRY J., BLAYLOCK M., STAPELFELDT K., BEEMAN J. & HALLER E.
ApJ, 674, 1086
paper

On the Ages of Exoplanet Host Stars
2005 SAFFE C., GOMEZ M. & CHAVERO C.
Astron. & Astrophys., 443, 609
paper   arxiv

The Planet-Metallicity Correlation.
2005 FISCHER D. & VALENTI J.
ApJ., 622, 1102
paper