Planet 42 Dra b

Name 42 Dra b
Discovered in 2009
Mass 3.88 (± 0.85) MJ
Semi-major axis 1.19 (± 0.01) AU
Orbital period 479.1 (± 6.2) day
Eccentricity 0.38 (± 0.06)
ω 218.7 (± 10.6) deg
Tperi 2452757.4 (± 3.7) JD
Radius
Inclination
Update March 23, 2009
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

Star

Name 42 Dra
Distance 97.3 (± 5.0) pc
Spectral type K1.5III
Apparent magnitude V 4.83
Mass 0.98 (± 0.05) MSun
Age 9.49 (± 1.76) Gyr
Effective temperature 4200.0 (± 70.0) K
Radius 22.03 (± 1.0) RSun
Metallicity [Fe/H] -0.46 (± 0.05)
Detected Disc
Magnetic Field
RA2000 18:25:59.0
Dec2000 +65:33:49
Alternate Names
Planetary system 1 planet

More data


Related publications

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

Planetary companion candidates around the K giant stars 42 Draconis and HD 139357
2009 DOELINGER M., HATZES A., PASQUINI L., GUENTHER E., HARTMANN M. & GIRARDI L.
Astron. & Astrophys., 499, 935
preprint