(star with four exoplanets)
HR 8799 is a young main sequence star with
a debris disk and four giant extra-solar planets.
It is one of the first systems in which the exoplanets
were confirmed by direct imaging and the clearest
view of so much of a planetary system.
|planet||dist. to star||radius||mass||temperature|
|HR 8799 b||71.6 AU||1.2 RJ||5.7 MJ||870 K|
|HR 8799 c||41.39 AU||1.3 RJ||7.8 MJ||1090 K|
|HR 8799 d||26.67 AU||1.2 RJ||9.1 MJ||1090 K|
|HR 8799 e||16.25 AU||1.2 RJ||7.4 MJ||1000 K|
(RJ and MJ are Jupiter's radius and mass.)
| || |
Referenced by pages:
A-type star (A)
Bright Star Catalog (HR)