Another neon nova: Early infrared photometry and spectroscopy of Nova Cygni 1992

T. L. Hayward, R. D. Gehrz, J. W. Miles, J. R. Houck

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Abstract

Infrared photometry and spectrophotometry of Nova Cygni 1992 taken within 54 days of its eruption show a strong 12.8 μm [Ne II] forbidden emission line as well as hydrogen recombination lines. Spectra with λ/Δλ ≈ 2000 resolve the [Ne II] and 12.37 μm Huα lines with ∼2200 km s-1 (FWHM). The [Ne II] line shows multiple velocity components. The amount of [Ne II] required to produce the observed emission feature exceeds the solar abundance of neon by at least a factor of 4.

Original languageEnglish (US)
Pages (from-to)L101-L104
JournalAstrophysical Journal
Volume401
Issue number2 PART 2
DOIs
StatePublished - Dec 20 1992

Keywords

  • Infrared: stars
  • Novae, cataclysmic variables

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