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Title:
Line identifications in the infrared spectrum of SN 1987A
Authors:
Elias, J. H.; Gregory, B.; Phillips, M. M.; Williams, R. E.; Graham, James R.; Meikle, W. P. S.; Schwartz, R. D.; Wilking, B.
Affiliation:
AA(Observatorio Interamericano de Cerro Tololo, La Serena, Chile), AB(Observatorio Interamericano de Cerro Tololo, La Serena, Chile), AC(Observatorio Interamericano de Cerro Tololo, La Serena, Chile), AD(Observatorio Interamericano de Cerro Tololo, La Serena, Chile), AE(California Institute of Technology, Pasadena)
Publication:
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 331, Aug. 1, 1988, p. L9-L13. (ApJL Homepage)
Publication Date:
08/1988
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Infrared Photometry, Infrared Spectra, Line Spectra, Stellar Luminosity, Supernova 1987a, Cygnus Constellation, Stellar Spectra, Telescopes
DOI:
10.1086/185225
Bibliographic Code:
1988ApJ...331L...9E

Abstract

Infrared spectra of SN 1987A in the LMC from 0.9 to 4 mum are presented for the first 180 days after outburst, along with limited 1 - 20 mum broad-band photometry. During this period the spectrum showed P Cygni profiles superposed on a reasonably well-defined continuum, although the latest spectra show increasing structure in the continuum. Line identifications are generally consistent with expectations based on visible-wavelength spectra: lines of H I, He I, Sr II, C I, and Si I. CO may also be present in emission.

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