Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:exoplanet
|
| gptkbp:apparentMagnitude |
~18.07
|
| gptkbp:atmosphere |
methane
water vapor carbon monoxide |
| gptkbp:constellation |
gptkb:Pegasus
|
| gptkbp:containsPlanet |
gptkb:HR_8799_planetary_system
|
| gptkbp:detects |
direct imaging
|
| gptkbp:diameter |
1.2 Jupiter radii
|
| gptkbp:discoveredBy |
Bruce Macintosh
Christian Marois Travis Barman |
| gptkbp:discoveredIn |
2008
|
| gptkbp:distanceFromEarth |
129 light years
|
| gptkbp:eccentricity |
0.02
|
| gptkbp:hostedBy |
gptkb:HR_8799
|
| gptkbp:mass |
7 Jupiter masses
|
| gptkbp:orbitType |
460 years
|
| gptkbp:otherPlanetsInSystem |
gptkb:HR_8799_c
gptkb:HR_8799_d gptkb:HR_8799_e |
| gptkbp:semiMajorAxis |
68 AU
|
| gptkbp:temperature |
900 K
|
| gptkbp:bfsParent |
gptkb:HR_8799
gptkb:HIP_113963 |
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
HR 8799 b
|