An optical spectrophotometric atlas of supernova 1987A in the LMC. II - CCD observations from day 198 to 805

Details An optical spectrophotometric atlas of supernova 1987A in the LMC. II - CCD observations from day 198 to 805 An optical spectrophotometric atlas of supernova 1987A in the LMC. II - CCD observations from day 198 to 805

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99.1133p&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 99, April 1990, p. 1133-1145.

Astronomy and Astrophysics

Astronomy

38

Magellanic Clouds, Stellar Spectrophotometry, Supernova 1987A, Absorption Spectra, Charge Coupled Devices, Emission Spectra, H Lines, Radial Velocity

Scientific paper

CCD spectrophotometry of SN 1987A in the Large Magellanic Cloud covering days 198 to 805 since outburst is presented. A total of 36 observations were obtained over this period with the Cerro Tololo 1.5 m and 4.0 m telescopes. The spectrophotometric calibration is shown to be accurate to ±2%-3% over most of the observed wavelength range. Radial-velocity measurements of the peaks of several prominent emission lines and the P Cygni absorption minima of Hα, Hβ, Hγ, and Na I D are given.

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