Echoes of the supernova

Details Echoes of the supernova Echoes of the supernova

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990s%26t....79...22m&link_type=abstract

Sky and Telescope (ISSN 0037-6604), vol. 79, Jan. 1990, p. 22-25.

Astronomy and Astrophysics

Astronomy

1

Astronomical Photography, Echoes, Optical Reflection, Supernova 1987A, Astronomical Models, Magellanic Clouds, Stellar Color, Supernova Remnants, Supernovae

Scientific paper

The light echoes of SN 1987A are studied using photographs of the Tarantula nebula, including Sanduleak -69 deg 202, taken from 1984 to 1988. The formation of light echoes, and the process of extracting echo images for photographs are examined. The technique of photographic subtraction is described. Consideration is given to the formation of well-defined rings by light echoes. The possibility of using the photographs of SN 1987A light echoes in the construction of a three-dimensional model of the dust sheet in the LMC is noted.

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