Infrared spectroscopy of Nova Cassiopeiae 1993 - III. ISO observations

Details Infrared spectroscopy of Nova Cassiopeiae 1993 - III. ISO observations Infrared spectroscopy of Nova Cassiopeiae 1993 - III. ISO observations

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999mnras.304l..20s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 304, Issue 1, pp. L20-L24.

Astronomy and Astrophysics

Astronomy

9

Circumstellar Matter, Stars: Individual: Nova Cas (V705 Cas), Novae, Cataclysmic Variables, Infrared: Stars

Scientific paper

The [Oiv]lambda25.89 fine-structure line has been detected in Nova Cassiopeiae 1993 (V705 Cas) by the Short Wavelength Spectrometer on the Infrared Space Observatory (ISO). Preliminary analysis using cloudy suggests that oxygen is overabundant relative to solar by at least 25 (by number), and that the abundance of neon is 0.5 x solar at most; the hydrogen density at the time of the ISO observation is in the range 10^4.1 <~ n^H(cm^-3) <~ 10^4.65. The dust shell, which was prominent in the near infrared in earlier ground-based observations, was not detected by the ISO.

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