Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:exoplanet
|
| gptkbp:apparentMagnitude |
~18 (infrared)
|
| gptkbp:atmosphere |
water vapor
carbon monoxide methane (trace) |
| gptkbp:constellation |
gptkb:Pegasus
|
| gptkbp:containsPlanet |
HR 8799 system
|
| gptkbp:diameter |
~1.2 Jupiter radii
|
| gptkbp:discoveredBy |
Bruce Macintosh
Christian Marois David Lafrenière R. Jayawardhana Rene Doyon Travis Barman |
| gptkbp:discoveredIn |
2008
|
| gptkbp:discoveryMethod |
direct imaging
|
| gptkbp:distanceFromEarth |
129 light-years
|
| gptkbp:hostedBy |
gptkb:HR_8799
|
| https://www.w3.org/2000/01/rdf-schema#label |
HR 8799 c
|
| gptkbp:inclination |
~28 degrees
|
| gptkbp:mass |
~7 Jupiter masses
|
| gptkbp:orbitType |
~190 years
|
| gptkbp:otherPlanetsInSystem |
gptkb:HR_8799_b
gptkb:HR_8799_d gptkb:HR_8799_e |
| gptkbp:semiMajorAxis |
38 AU
|
| gptkbp:temperature |
~1100 K
|
| gptkbp:bfsParent |
gptkb:HR_8799
|
| gptkbp:bfsLayer |
7
|