ISO observations of the classical nova V1974 Cygni.

Details ISO observations of the classical nova V1974 Cygni. ISO observations of the classical nova V1974 Cygni.

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...315l.209s&link_type=abstract

Astronomy and Astrophysics, v.315, p.L209-L212

Astronomy and Astrophysics

Astrophysics

12

Circumstellar Matter, Stars: Individual: V1974 Cyg, Novae, Cataclysmic Variables, Infrared: Stars

Scientific paper

We present observations of the classical nova V1974 Cygni (Nova Cyg 1992) obtained with the ISO Short and Long Wavelength Spectrometers (SWS and LWS) and the spectrometer section of ISOPHOT. We identify [NeIII]λ15.5, [NeV]λ14.3, 24.3, [NeVI]λ7.6, [OIII]λ51.8, [OIV]λ25.9. There is evidence that the Ne and O emission arises in physically distinct regions of the ejecta. We determine the electron temperatures in the Ne- and O-bearing regions of the ejecta, and estimate the Ne abundance relative to O.

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