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http://hdl.handle.net/20.500.12386/32675
Titolo: | On the Progenitors of Type IA Supernovae in Early-Type and Late-Type Galaxies | Autori: | DELLA VALLE, Massimo Livio, Mario |
Data pubblicazione: | 1994 | Rivista: | THE ASTROPHYSICAL JOURNAL LETTERS | Numero: | 423 | Fascicolo: | 1 PART 2 | Da pagina:: | L31 | Abstract: | An examination of recent observational material reveals substantial differences between supernovae of Type Ia (SNs Ia) in galaxies of different Hubble types. We propose that SNs Ia in late- and early-type galaxies may have different progenitors. A further examination of novae in galaxies of different Hubble types suggests the possibility that SNs Ia in late-type galaxies may be related to cataclysmic variable-type systems, while SNs Ia in early-type galaxies may be related to mechanisms involving an older population. About 50%-70% of the SNs Ia events in spirals observed at the La Silla and Tololo Observatories in the past 4 years appear to be located in the arms of the parent galaxy. | URI: | http://hdl.handle.net/20.500.12386/32675 | URL: | https://ui.adsabs.harvard.edu/abs/1994ApJ...423L..31D/abstract https://api.elsevier.com/content/abstract/scopus_id/12044251304 |
ISSN: | 2041-8205 | DOI: | 10.1086/187228 | Bibcode ADS: | 1994ApJ...423L..31D | Fulltext: | open |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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