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Title:
A neon nova - Discovery of a remarkable 12.8 micron (Ne II) emission line in Nova Vulpeculae 1984 number 2 [ Erratum: 1986ApJ...306L..49G ]
Authors:
Gehrz, R. D.; Grasdalen, G. L.; Hackwell, J. A.
Affiliation:
AA(Wyoming Infrared Observatory, Laramie), AB(Wyoming Infrared Observatory, Laramie), AC(Wyoming Infrared Observatory, Laramie)
Publication:
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 298, Nov. 15, 1985, p. L47-L50. Research supported by the University of Wyoming, USAF, and NSF. (ApJL Homepage)
Publication Date:
11/1985
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
INFRARED SPECTRA, LINE SPECTRA, NEON, NOVAE, STELLAR SPECTRA, STELLAR SPECTROPHOTOMETRY, EMISSION SPECTRA, INFRARED PHOTOMETRY, INFRARED SPECTROSCOPY
DOI:
10.1086/184564
Bibliographic Code:
1985ApJ...298L..47G

Abstract

Infrared photometry and spectrophotometry ≡140 days after the eruption of Nova Vulpeculae 1984 Number 2 revealed an incredibly intense 12.8 μm [Ne II] forbidden emission line standing a factor of ≡60 above the free-free continuum at a spectral resolution of λ/Δλ = 67. It is the strongest 12.8 μm line, relative to the continuum, ever observed in an astrophysical source. The authors show that the amount of [Ne II] required to produce the observed emission feature equals or exceeds the solar abundance of neon. The ≡80 L_sun; radiated in the 12.8 μm line on 1985 May 15.4 UT was 1.5% of the outburst luminosity and nearly 14% of the total shell luminosity.

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