HD 83443
Stern HD 83443 |
|||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
AladinLite | |||||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
|||||||||||
Constellation | Sails of the ship | ||||||||||
Right ascension | 09 h 37 m 11.83 s | ||||||||||
declination | -43 ° 16 ′ 19.9 ″ | ||||||||||
Apparent brightness | 8.23 likes | ||||||||||
Typing | |||||||||||
Known exoplanets | 1 | ||||||||||
Spectral class | K0 V | ||||||||||
Astrometry | |||||||||||
Radial velocity | (28.7 ± 0.1) km / s | ||||||||||
parallax | (24.29 ± 0.73) mas | ||||||||||
distance | (134.3 ± 4.0) ly (41.2 ± 1.2) pc |
||||||||||
Visual absolute brightness M vis | +5.16 mag | ||||||||||
Proper movement | |||||||||||
Rec. Share: | (23.00 ± 0.58) mas / a | ||||||||||
Dec. portion: | (-120.31 ± 0.54) mas / a | ||||||||||
Physical Properties | |||||||||||
Dimensions | 0.79 M ☉ | ||||||||||
radius | 1.04 R ☉ | ||||||||||
Effective temperature | 5460 K | ||||||||||
Metallicity [Fe / H] | 0.33 | ||||||||||
Age | 4.94 x 10 9 a | ||||||||||
Other names and catalog entries |
|||||||||||
|
|||||||||||
annotation | |||||||||||
|
HD 83443 is a late main sequence star in the constellation Vela, 142 light years from Earth . It has an apparent magnitude of 8.23 mag.
In 2000, Michel Mayor discovered an extrasolar planet orbiting this star using the radial velocity method . This has the systematic designation HD 83443 b and orbits its star at a distance of approx. 0.0406 astronomical units with an eccentricity of 1.2% and has a minimum mass of around 0.4 Jupiter's masses.