The spectrum of Nova Vulpeculae 1984 No. 2 at nebular phase

Astronomy and Astrophysics – Astrophysics

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Infrared Spectra, Novae, Stellar Mass Ejection, Stellar Spectrophotometry, Emission Spectra, Forbidden Bands, Near Infrared Radiation, Nebulae, Spectral Line Width, Stellar Temperature

Scientific paper

Nova Vul 1984 No. 2 has been again observed at Observatoire de Haute-Provence in the autumn of 1985, i.e. 270 - 295 days after maximum. It was then in the nebular phase. The spectra cover the blue-violet and the near infrared regions. Over 50 lines and blends have been identified and are given. No clear pattern is observed in the emission bands of a width of about 1450 km/sec. The most conspicuous features observed are the forbidden Ne III and Ne V lines. The infrared region is dominated by a very strong He I 1083 nm emission.

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