Planet HD 156846 b

Name HD 156846 b
Discovered in 2007
Mass 10.45 (± 0.05) MJ
Semi-major axis 1.096 (± 0.021) AU
Orbital period 359.5546 (± 0.0071) day
Eccentricity 0.84785 (± 0.0005)
ω 51.62 (± 0.16) deg
Tperi 3998.09 (± 0.05) JD
Radius
Inclination 177.3 ( -175.3 +175.3 ) deg;
Update March 28, 2011
Detection Method Controversial
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

Remarks

11 Jan 2011: Reffert et al. 2011 give a mass range derived from astrometry 10.45 - 660.9 MJup at the 3 σ level .
The errors on inclination are at the 3 σ level (Reffert et al. 2011)

Other web-pages

Geneva Observatory Data

Star

Name HD 156846
Distance 49.0 (± 1.0) pc
Spectral type G0V
Apparent magnitude V 6.51
Mass 1.43 MSun
Age 2.1 ( -0.0 +0.0 ) Gyr
Effective temperature 6138.0 (± 36.0) K
Radius
Metallicity [Fe/H] 0.22 (± 0.05)
Detected Disc
Magnetic Field
RA2000 17:20:34.0
Dec2000 -19:20:01
Alternate Names
Planetary system 1 planet

More data


Related publications

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

The CORALIE survey for southern extra-solar planets XV. Discovery of two eccentric planets orbiting HD4113 and HD156846
2007 TAMUZ O., SEGRANSAN D., UDRY S., MAYOR M., EGGENBERGER A., NAEF D., PEPE F., QUELOZ D., SANTOS N., DEMORY B., FIGUERA P., MARNIER M. & MONTAGNIER G.
Astron. & Astrophys., 480, L33
paper

Improved Orbital Parameters and Transit Monitoring for HD 156846b
2011 KANE S., HOWARD A., PILYAVSKY G., MAHADEVAN S., HENRY G. & 9 additional authors
ApJ., 733, 28
paper   arxiv

Mass constraints on substellar companions candidates from the re-reduced Hipparcos intermediate astrometric data: Nine confirmed planets and two confirmed brown dwarfs
2011 REFFERT S. & QUIRRENBACH A.
Astron. & Astrophys., 527, A140
paper   arxiv