Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:nebula
|
| gptkbp:bfsLayer |
3
|
| gptkbp:bfsParent |
gptkb:Type_II_Supernova
|
| gptkbp:archaeological_findings |
first observed in 1604 (Kepler's Supernova)
|
| gptkbp:associated_with |
massive stars
|
| gptkbp:conservation_efforts |
neutron star or black hole
|
| gptkbp:duration |
several months to years
|
| gptkbp:example |
gptkb:SN_1987_A
|
| gptkbp:has_luminosity |
10^9 to 10^10 L☉
|
| gptkbp:has_spectral_type |
hydrogen lines
|
| https://www.w3.org/2000/01/rdf-schema#label |
Type II Plateau Supernova
|
| gptkbp:is_characterized_by |
plateau phase in light curve
|
| gptkbp:is_observed_in |
optical and infrared
|
| gptkbp:isotopes |
produces heavy elements
|
| gptkbp:lighting |
plateau followed by a decline
|
| gptkbp:mass |
greater than 8 M☉
|
| gptkbp:occurs_in |
core collapse of a massive star
|
| gptkbp:redshift |
z < 1.5
|
| gptkbp:released |
10^51 ergs
|