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Title:
Low and intermediate resolution IR spectroscopy
Authors:
Bouchet, P.; Le Bertre, Th.; Manfroid, J.; Stanga, R.; Moneti, A.
Affiliation:
AA(European Southern Observatory, Santiago, Chile), AB(European Southern Observatory, Santiago, Chile), AC(European Southern Observatory, Santiago, Chile), AD(European Southern Observatory, Garching bei München, Germany), AE(European Southern Observatory, Garching bei München, Germany)
Publication:
IN: ESO Workshop on the SN 1987A, Garching, Federal Republic of Germany, July 6-8, 1987, Proceedings (A88-35301 14-90). Garching, Federal Republic of Germany, European Southern Observatory, 1987, p. 159-165.
Publication Date:
00/1987
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
INFRARED SPECTROSCOPY, STELLAR SPECTROPHOTOMETRY, SUPERNOVA 1987A, HELIUM, HYDROGEN, SPECTRAL RESOLUTION, STELLAR SPECTRA
Bibliographic Code:
1987ESOC...26..159B

Abstract

The authors present the results of the first four months of the ESO-La Silla program of IR spectrophotometric monitoring of SN 1987A. The spectra show mainly hydrogen lines with their intensities increasing with time. The He I 1.083 mum line is also observed with a weak emission component and a strong absorption component. There are also several features whose nature is unclear.

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