Type Ia supernova (in binary systems)

URI: https://gptkb.org/entity/Type_Ia_supernova_(in_binary_systems)
GPTKB entity
Statements (34)
Predicate Object
gptkbp:instanceOf gptkb:supernova
gptkbp:alternativeProgenitor double-degenerate scenario
single-degenerate scenario
gptkbp:causedBy accretion of matter onto white dwarf
gptkbp:detonationMechanism thermonuclear runaway
gptkbp:discoveredBy first observed in 20th century
gptkbp:distanceMeasurement gptkb:cosmic_distance_ladder
gptkbp:elementProduction gptkb:nickel-56
silicon
iron group elements
gptkbp:explosionType thermonuclear explosion
gptkbp:hostedBy all types of galaxies
gptkbp:importantFor discovery of dark energy
measuring universe expansion
gptkbp:lightCurve characteristic shape
gptkbp:maximumMass Chandrasekhar limit (~1.4 solar masses)
gptkbp:namedAfter classification system by Fritz Zwicky
gptkbp:observedBy astronomers worldwide
gptkbp:occurredIn gptkb:binary_star_system
gptkbp:peakLuminosity ~5 billion times Sun
gptkbp:powerOutput ~10^44 joules
gptkbp:progenitor gptkb:white_dwarf
companion star
gptkbp:rating ~1 per 1000 years per galaxy
gptkbp:remnants gptkb:supernova
no compact object
gptkbp:spectralType strong silicon absorption line
absence of hydrogen lines
gptkbp:subclassOf gptkb:Type_Ia_supernova
gptkbp:usedFor standard candle in cosmology
gptkbp:bfsParent gptkb:white_dwarf_stars
gptkb:white_dwarfs
gptkbp:bfsLayer 5
https://www.w3.org/2000/01/rdf-schema#label Type Ia supernova (in binary systems)