Fe II emission and the presence of hydrogen in the envelopes of type I supernovae

Details Fe II emission and the presence of hydrogen in the envelopes of type I supernovae Fe II emission and the presence of hydrogen in the envelopes of type I supernovae

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975a%26a....44..431f&link_type=abstract

Astronomy and Astrophysics, vol. 44, no. 2, Nov. 1975, p. 431-436.

Astronomy and Astrophysics

Astrophysics

5

Hydrogen Ions, Iron, Stellar Envelopes, Stellar Spectra, Supernovae, Emission Spectra, Ion Recombination, Line Spectra, Mathematical Models, Photosphere, Radiant Flux Density

Scientific paper

A study of the excitation of features due to Fe II in published tracings of spectra of supernova 1972-e supports the identification of a feature by Kirshner et al. (1973) as being due to H-alpha. An approximate calculation indicates that the total mass of ionized hydrogen above the photosphere is of the order of 0.3 solar mass if most of the emission at H-alpha is due to recombinations.

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