Photographic and spectroscopic observations of three type IA supernovae - 1982 W, 1983 R, and 1983 U

Details Photographic and spectroscopic observations of three type IA supernovae - 1982 W, 1983 R, and 1983 U Photographic and spectroscopic observations of three type IA supernovae - 1982 W, 1983 R, and 1983 U

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...214..131b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 214, no. 1-2, April 1989, p. 131-138.

Astronomy and Astrophysics

Astrophysics

8

Astronomical Photography, Astronomical Spectroscopy, Supernovae, Color, Light Curve, Magnitude, Spectrum Analysis, Ubv Spectra

Scientific paper

Three supernovae (1982 W, 1983 R, and 1983 U) have been observed in the framework of the systematic researches on supernovae carried out since 1961. Their B and V light curves, colors, distances and absolute magnitudes are derived by using all the available data. Spectra of the supernovae obtained near maximum and during the luminosity decline are analyzed. They show that all three supernovae belong to type Ia, with the characteristic absorption feature at 6100 A, and that their spectral properties and evolution are quite normal for this type of object.

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