Discovery of a large mass of iron in a type I supernova

Details Discovery of a large mass of iron in a type I supernova Discovery of a large mass of iron in a type I supernova

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.218...93g&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 218, Jan. 1, 1986, p. 93-102.

Astronomy and Astrophysics

Astronomy

49

Iron, Metallic Stars, Stellar Composition, Supernova Remnants, Ejecta, Emission Spectra, Infrared Astronomy, Line Spectra, Radioactive Decay

Scientific paper

The authors have discovered ≡0.3 M_sun; of iron in the type I supernova 1983n in the galaxy M83 about one year after explosion. This is the first time that a massive quantity of iron has been directly and unambiguously detected in a supernova. It was accomplished by the observation of strong [Fe II] line emission in the infrared at 1.644 μm from the optically thin ejecta. This result was predicted by the 56Ni-56Co-56Fe radioactive decay scenario, and provides strong support for its credibility.

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