Statements (21)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:supernova_type | 
| gptkbp:characteristic | plateau in light curve | 
| gptkbp:commonIn | spiral galaxies | 
| gptkbp:discoveredBy | 1940s | 
| gptkbp:distinción | gptkb:Type_II-L_supernova | 
| gptkbp:explosion_mechanism | core-collapse | 
| gptkbp:fullName | gptkb:Type_II-P_supernova | 
| gptkbp:hydrogen_envelope | retained at explosion | 
| gptkbp:light_curve_duration | plateau phase lasts about 80-100 days | 
| gptkbp:luminosity | moderate | 
| gptkbp:notableExample | gptkb:SN_2012aw gptkb:SN_1999em gptkb:SN_2004et | 
| gptkbp:plateau_cause | recombination of hydrogen | 
| gptkbp:powerSource | radioactive decay of nickel-56 | 
| gptkbp:progenitor_star | gptkb:red_supergiant | 
| gptkbp:spectral_features | hydrogen lines | 
| gptkbp:spectralType | Type II | 
| gptkbp:bfsParent | gptkb:SN_2004dj | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | II-P |