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gptkbp:instanceOf
|
gptkb:Astronomical_event
gptkb:supernova
|
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gptkbp:causedBy
|
Accretion of matter
Merger of two white dwarfs
|
|
gptkbp:class
|
Thermonuclear supernova
|
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gptkbp:compatibleWith
|
Black hole
Neutron star
|
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gptkbp:detonationMechanism
|
Runaway carbon fusion
|
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gptkbp:discoveredBy
|
gptkb:Walter_Baade
gptkb:Fritz_Zwicky
|
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gptkbp:distance
|
Observable up to billions of light-years
|
|
gptkbp:duration
|
Weeks to months
|
|
gptkbp:elementSynthesized
|
Heavy elements
|
|
gptkbp:energyReleased
|
~10^44 joules
|
|
gptkbp:explodesFrom
|
White dwarf
|
|
gptkbp:firstObserved
|
1930s
|
|
gptkbp:hostedBy
|
gptkb:galaxy
gptkb:Elliptical_galaxy
|
|
gptkbp:importantFor
|
Discovery of universe's accelerating expansion
Evidence for dark energy
|
|
gptkbp:keyFor
|
Measuring Hubble constant
Determining universe's expansion rate
|
|
gptkbp:lightCurve
|
Characteristic shape
|
|
gptkbp:location
|
Old stellar populations
All galaxy types
|
|
gptkbp:luminosity
|
Consistent peak luminosity
|
|
gptkbp:namedFor
|
gptkb:Rudolph_Minkowski
|
|
gptkbp:notableExample
|
gptkb:SN_1991T
gptkb:SN_2011fe
|
|
gptkbp:observedBy
|
gptkb:Hubble_Space_Telescope
Ground-based telescopes
|
|
gptkbp:peakAbsoluteMagnitude
|
-19.3
|
|
gptkbp:produces
|
Iron
Silicon
Nickel-56
|
|
gptkbp:progenitorSystem
|
Binary star system
|
|
gptkbp:rating
|
~1 per 1000 years per galaxy
|
|
gptkbp:remnants
|
Supernova remnant
No compact object
|
|
gptkbp:spectralType
|
No hydrogen lines
Strong silicon absorption line
|
|
gptkbp:subspecies
|
gptkb:supernova
|
|
gptkbp:usedFor
|
gptkb:Standard_candle
Measuring cosmic distances
|
|
gptkbp:usedIn
|
gptkb:Distance_ladder
Cosmology
|
|
gptkbp:bfsParent
|
gptkb:White_Dwarf
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Type Ia Supernova
|