Buta, Ronald J.; Falk, S. W.; McCall, M. L.; Sutherland, P. G.; Uomoto, A.; Wheeler, J. C.; Wills, B. J.; Branch, D.
(1982-01)
A high quality optical spectrum of the 1981 Type I supernova in NGC 4536 at maximum light is well represented by a synthetic spectrum consisting of resonance scattering lines of Ca_II, Si_II, S_II, Mg_II, and O_I, superposed ...