Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
supernova subtype
|
| gptkbp:characterizedBy |
helium-rich spectrum
hydrogen-poor spectrum |
| gptkbp:detonationMechanism |
core-collapse
|
| gptkbp:discoveredBy |
1987
astronomer |
| gptkbp:frequency |
initial hydrogen lines
later helium lines |
| https://www.w3.org/2000/01/rdf-schema#label |
Type IIb supernova
|
| gptkbp:lightCurve |
resembles Type Ib supernova after hydrogen fades
shows hydrogen features fading over time |
| gptkbp:notableExample |
gptkb:SN_1993J
gptkb:SN_2008ax |
| gptkbp:occurredIn |
galaxies with ongoing star formation
|
| gptkbp:progenitorStar |
massive star
stripped-envelope star |
| gptkbp:relatedTo |
gptkb:Type_II_supernova
gptkb:Type_Ib_supernova |
| gptkbp:remnants |
white dwarf
black hole |
| gptkbp:subclassOf |
gptkb:Type_II_supernova
|
| gptkbp:bfsParent |
gptkb:core-collapse_supernova
|
| gptkbp:bfsLayer |
6
|