Planet HD 69830 c

Name HD 69830 c
Discovered in 2006
Mass 0.038 MJ
Semi-major axis 0.186 AU
Orbital period 31.56 (± 0.04) day
Eccentricity 0.13 (± 0.06)
ω 221.0 (± 35.0) deg
Tperi 2453469.6 (± 2.8) JD
Radius
Inclination 13.0 ( -13.0 +13.0 ) deg;
Update Oct. 19, 2010
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

19 Oct 2010: Simpson et al. (2010) infer the orbital inclination from the parent star rotation, deriving a planet mass 0.17-0.11MJ; but the coplanarity of stellar equator with planet orbits is generally not demonstrated.

Star

Name HD 69830
Distance 12.6 pc
Spectral type K0V
Apparent magnitude V 5.95
Mass 0.86 (± 0.03) MSun
Age 7.0 (± 3.0) Gyr
Effective temperature 5385.0 (± 20.0) K
Radius 0.895 (± 0.005) RSun
Metallicity [Fe/H] -0.05 (± 0.02)
Detected Disc IR Excess
Magnetic Field
RA2000 08:18:23.0
Dec2000 -12:37:55
Alternate Names
Planetary system 3 planets

Remarks

Beichman et al 2005 report the presence of a warm debris disk

Other web-pages

Papers with primary data:

More data


Related publications

Stellar Parameters for HD 69830, a Nearby Star with Three Neptune Mass Planets and an Asteroid Belt
2015 TANNER A., BOYAJIAN T., von BRAUN K., KANE S., BREWER J. et al.
ApJ, 800, 115
paper  arxiv  ADS  

An extrasolar planetary system with three Neptune-mass planets
2006 LOVIS C., MAYOR M., PEPE F., ALIBERT Y., BENZ W., BOUCHY F., CORREIA A., LASKAR J., MORDASINI Ch., QUELOZ D., SANTOS N., UDRY S., BERTAUX J.-L. & SIVAN J.-P.
Nature, 441, 305
paper

Rotation periods of exoplanet host stars
2010 SIMPSON E., BALIUNAS S., HENRY G. & WATSON C.
MNRAS, 408, 1667
paper

Catalogue of Stellar Diameters and Absolute Radii of Stars (CADARS) - Third edition -Comments and statistics
2000 PASINITTI-FRASCANI L., PASTORI L., COVINO S. & POZZI A.
Astron. & Astrophys., 367, 521
paper

An Excess Due to Small Grains Around the Nearby K0V Star HD69830 : Asteroid or Cometary Debris?
2005 BEICHMAN C., BRYDEN G., GAUTIER T., STAPELFELDT K.,WERNER M., MISSELT K., RIEKE G., STANSBERRY J. & TRILLING D.
ApJ., 626, 1061
paper