Elemental Abundances in the Ejecta of Old Classical Novae from Late-Epoch Spitzer Spectra

L. Andrew Helton, Robert D. Gehrz, Charles E. Woodward +7

We present Spitzer Space Telescope mid-infrared IRS spectra, supplemented by ground-based optical observations, of the classical novae V1974 Cyg, V382 Vel, and V1494 Aql more than…