(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 where the exoplanets
were confirmed by direct imaging and the clearest
such view of so much of a planetary system.
|planet||dist to star||radius||mass||temperature|
|HR 8799 b||68 AU||1.2 RJ||5 MJ||870 K|
|HR 8799 c||38 AU||1.3 RJ||7 MJ||1090 K|
|HR 8799 d||24 AU||1.2 RJ||7 MJ||1090 K|
|HR 8799 e||14.5 AU||1.2 RJ||8 MJ||1000 K|
(RJ and MJ are Jupiter's radius and mass.)
| || |
Referenced by pages:
A-type star (A)
Bright Star Catalog (HR)