Statements (52)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:Supernova
|
gptkbp:associated_with |
gptkb:Wolf-Rayet_stars
|
gptkbp:bomb_load |
neutrino-driven explosion
|
gptkbp:characterized_by |
hydrogen depletion
|
gptkbp:collaboration |
other astronomical phenomena
|
gptkbp:collapsing_core |
leads to supernova explosion
|
gptkbp:composed_of |
enriched in elements like iron and nickel
|
gptkbp:contribution |
cosmic ray production
|
gptkbp:cosmological_importance |
helps in understanding the universe's expansion
|
gptkbp:discovery |
observational astronomy
|
gptkbp:distance |
can be used as standard candles
|
gptkbp:emissions_standard |
produces intense light and heat
|
gptkbp:energy_release |
10^51 ergs
|
gptkbp:first_appearance |
1993 J
|
gptkbp:followed_by |
can be detected in radio wavelengths
|
gptkbp:has_spectral_type |
Type IIb spectrum
|
gptkbp:historical_significance |
contributed to the understanding of supernovae
|
https://www.w3.org/2000/01/rdf-schema#label |
Type IIb supernova
|
gptkbp:impact |
galactic chemical evolution
may have influenced Earth's atmosphere in the past |
gptkbp:is_a_phenomenon_that |
gamma-ray bursts
|
gptkbp:is_observed_in |
various galaxies
|
gptkbp:light_curve_duration |
weeks to months
|
gptkbp:lighting |
gptkb:plateau
important for cosmology brighter than Type II supernova declines after peak |
gptkbp:model |
core-collapse supernova models
informs about stellar mass loss. |
gptkbp:notable_examples |
SN 1993 J
|
gptkbp:nucleosynthesis |
produces heavy elements
|
gptkbp:occurrence_rate |
1 in 100 years per galaxy
|
gptkbp:occurs_in |
massive stars
|
gptkbp:power_source |
radiates energy across the electromagnetic spectrum
|
gptkbp:preserved_by |
neutron star or black hole
can be several kilometers in radius |
gptkbp:progenitor_mass |
8 to 20 solar masses
|
gptkbp:redshift |
can be used to measure distance
|
gptkbp:research |
gptkb:spectroscopy
documented since the 17th century dust obscuration collected from telescopes worldwide |
gptkbp:research_focus |
stellar death processes
|
gptkbp:research_importance |
understanding stellar evolution
|
gptkbp:scientific_classification |
part of the broader Type II category
|
gptkbp:spectral_features |
hydrogen and helium lines
|
gptkbp:stellar_evolution_stage |
final stages of massive stars
|
gptkbp:theoretical_predictions |
models predict various outcomes
|
gptkbp:type |
stellar explosion
|
gptkbp:was_a_result_of |
core collapse
|
gptkbp:bfsParent |
gptkb:SN_2011dh
|
gptkbp:bfsLayer |
6
|