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Concept information

stellar astronomy > stellar type > variable star > supernova > type II supernova
stellar astronomy > stellar remnant > supernova > type II supernova

Terme préférentiel

type II supernova  

Définition(s)

  • A supernova type whose spectrum contains hydrogen lines. Compared with Type I supernovae, its light curve has a broader peak at maximum and dies away more rapidly. The magnitudes are smaller, ranging from MV = -12 to -13.5, and the ejecta have lower velocities (about 5,000 km/sec). These supernovae, which result from the final evolution of massive stars, have three main divisions: Type II-P, Type II-L, and Type II-n. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=type+II+supernova&formSubmit=Search&showAll=1)

Concept(s) générique(s)

Synonyme(s)

  • type IIL supernova
  • type IIn supernova
  • type IIP supernova

Traductions

URI

http://data.loterre.fr/ark:/67375/MDL-ZXLZSRZ3-N

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RDF/XML TURTLE JSON-LD Dernière modif. 24/04/2023