SN 2011fe

GPTKB entity

Statements (17)
Predicate Object
gptkbp:instanceOf supernova
gptkbp:alternativeName gptkb:PTF_11kly
gptkbp:announced 2011-08-25
gptkbp:apparentMagnitude 9.9
gptkbp:constellation gptkb:Ursa_Major
gptkbp:discoveredBy gptkb:Palomar_Transient_Factory
gptkbp:discoveredIn 2011-08-24
gptkbp:distanceFromEarth 21 million light-years
gptkbp:hostedBy gptkb:Messier_101
https://www.w3.org/2000/01/rdf-schema#label SN 2011fe
gptkbp:notableFor one of the closest Type Ia supernovae discovered in recent decades
gptkbp:progenitorSystem white dwarf and companion star
gptkbp:spectralObservation extensively observed across electromagnetic spectrum
gptkbp:supernovaType Type Ia
gptkbp:usedFor calibration of cosmic distance scale
gptkbp:bfsParent gptkb:Type_Ia_supernovae
gptkbp:bfsLayer 6