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TRAPPIST-1 exoplanet system
URI:
https://gptkb.org/entity/TRAPPIST-1_exoplanet_system
GPTKB entity
Statements (41)
Predicate
Object
gptkbp:instanceOf
concert hall
gptkbp:announced
22 February 2017
gptkbp:apparentMagnitude
18.8
gptkbp:containsPlanet
gptkb:TRAPPIST-1b
gptkb:TRAPPIST-1c
gptkb:TRAPPIST-1d
gptkb:TRAPPIST-1e
gptkb:TRAPPIST-1f
gptkb:TRAPPIST-1g
gptkb:TRAPPIST-1h
gptkbp:discoveredBy
Michaël Gillon et al.
gptkbp:discoveredIn
2016
gptkbp:discoveryMethod
transit method
gptkbp:distanceFromEarth
about 39.6 light-years
gptkbp:hasTelescope
gptkb:Spitzer_Space_Telescope
gptkb:VLT_(Very_Large_Telescope)
gptkb:TRAPPIST_telescope
gptkbp:hostedBy
gptkb:TRAPPIST-1
ultracool dwarf
gptkbp:hostStarAge
7.6 ± 2.2 billion years
gptkbp:hostStarMass
about 0.089 solar masses
gptkbp:hostStarRadius
about 0.12 solar radii
gptkbp:hostStarTemperature
about 2550 K
https://www.w3.org/2000/01/rdf-schema#label
TRAPPIST-1 exoplanet system
gptkbp:locatedIn
gptkb:constellation_Aquarius
gptkbp:metallicityOfHostStar
low
gptkbp:NASAExoplanetArchiveID
gptkb:TRAPPIST-1
gptkbp:notableFor
largest number of Earth-sized planets in habitable zone
gptkbp:orbitalPeriodRange
1.5 to 18.8 days
gptkbp:planetsAre
rocky
Earth-sized
tidally locked
close to host star
gptkbp:planetsInHabitableZone
gptkb:TRAPPIST-1e
gptkb:TRAPPIST-1f
gptkb:TRAPPIST-1g
gptkbp:potentiallyHabitable
high scientific interest
gptkbp:rating
7
gptkbp:spectralType
M8V
gptkbp:bfsParent
gptkb:ESO_(European_Southern_Observatory)
gptkbp:bfsLayer
8