Planet HD 20782 b

Name HD 20782 b
Discovered in 2006
Mass 1.9 (± 0.5) MJ
Semi-major axis 1.381 (± 0.005) AU
Orbital period 591.9 (± 2.8) day
Eccentricity 0.97 (± 0.01)
ω 147.7 (± 6.5) deg
Tperi 1083.8 (± 8.2) JD
Radius
Inclination
Update May 8, 2014
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

Remarks

10 Oct. 2008: O'Toole et al (2008) find a different orbital solution when excluding "extreme points": M.sin = 0.73 MJ, e = 0.57 and P = 578 d.

Star

Name HD 20782
Distance 36.02 (± 1.0) pc
Spectral type G2 V
Apparent magnitude V 7.38
Mass 1.0 (± 0.03) MSun
Age 7.1 ( -4.3 +4.3 ) Gyr
Effective temperature 5578.0 (± 30.0) K
Radius
Metallicity [Fe/H] -0.05 (± 0.03)
Detected Disc
Magnetic Field
RA2000 03:20:03.0
Dec2000 -28:51:14
Alternate Names
Planetary system 1 planet

More data


Related publications

Detailed Abundances of Planet-Hosting Wide Binaries. I. Did Planet Formation Imprint Chemical Signatures in the Atmospheres of HD 20782/81?
2014 MACK C., SCHULER S., STASSUN K., PEPPER J. & NORRIS J.
ApJ, 787, 98
paper  arxiv  

Selection Functions in Doppler Planet Searches
2008 O'TOOLE S., TINNEY Ch., JONES H., BUTLER P., MARCY G., CARTER B. & BAILEY J.
MNRAS, 392, 641
paper

High eccentricity planets from the Anglo-Australian Planet Search
2006 JONES H., BUTLER P., TINNEY Ch., MARCY G., CARTER B., PENNY A., McCARTHY Ch. & BAILEY J.
MNRAS, 369, 249
paper