AAS 205th Meeting, 9-13 January 2005
Session 19 Cataclysmic Variable Stars
Poster, Monday, January 10, 2005, 9:20am-6:30pm, Exhibit Hall

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[19.07] New Elemental Abundances for Nova Cygni 1992

K.M. Vanlandingham (Columbia University), G.J. Schwarz (University of Arizona), S.N. Shore (Università di Pisa), S. Starrfield (Arizona State University), R.M. Wagner (University of Arizona)

We present a new analysis of existing optical and ultraviolet spectra of V1974 Cygni (Nova Cygni 1992). Using these data and the photoionization code CLOUDY, we have determined the physical parameters and elemental abundances for this nova. Many of the previous studies of this nova have made use of incorrect analyses and hence a new study was required. Our results show that the ejecta are enhanced, relative to solar, in helium, nitrogen, oxygen, neon, magnesium and iron. Carbon was found to be subsolar. We find an ejected mass of ~2\times10-4M\odot. Our model results fit well with observations taken at IR, radio, sub-millimeter and X-ray wavelengths.

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© 2004. The American Astronomical Society.