Infrared Spectroscopy of Classical Novae in Outburst

Details Infrared Spectroscopy of Classical Novae in Outburst Infrared Spectroscopy of Classical Novae in Outburst

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999noao.prop...26w&link_type=abstract

NOAO Proposal ID #1999A-0026

Computer Science

Scientific paper

Infrared spectroscopy of novae provides fundamental information about the elemental abundances of the gas and dust in the ejecta dispersing into the ISM. We propose to obtain 0.9-5 micron spectra of known bright novae (including V723 Cass) in outburst using the 2.1 m telescope (+CRSP). The spectral resolution (R ~eq 1000) is chosen to reveal information on the dynamics of nova ejecta and to permit study of the temporal evolution of coronal lines, to measure their strength and velocity profiles, and to determine abundances. These IR data, combined with data obtained at UV/Optical wavelengths, tightly constrain theoretical models of nucleosynthesis in the outburst, chemical anomalies related to nucleosynthesis, and the evolution of the progenitor. CRSP spectra will provide critical data and temporal coverage to complement: 1) our ISO (+SWS) and HST (+NICMOS/+STIS) novae observational programs; and 2) photoionization modelling analysis of the ejecta using CLOUDY and PHOENIX in collaboration with investigators at Arizona State University.

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