Spectrum Analysis of the Type Ib Supernova 1999dn: Probable Identifications of C II and H-alpha

J. S. Deng, Y. L. Qiu, J. Y. Hu +2

Low resolution spectra of SN 1999dn at early times are presented and compared with synthetic spectra generated with the parameterized supernova synthetic-spectrum code SYNOW. We fi…