The Geneva photometric monitoring of SN 1987A

Details The Geneva photometric monitoring of SN 1987A The Geneva photometric monitoring of SN 1987A

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...213l..26b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 213, no. 1-2, April 1989, p. L26-L28.

Astronomy and Astrophysics

Astrophysics

10

Light Curve, Stellar Spectrophotometry, Supernova Remnants, Supernova 1987A, Ubv Spectra, Magellanic Clouds, Stellar Envelopes, Stellar Luminosity

Scientific paper

The light curves of the supernova SN 1987A in the LMC are presented in the U,B,V, magnitudes of the Geneva photometric system. The major events visible on the light curves are described. In particular, it is shown that the rates of decrease of the V and B curves have started to slow down from about October 15, 1988 onward. This fact might be interpreted as the effect of an additional energy source, such as the expected central pulsar in interaction with its surrounding medium, or as the increasing relative contributions of slower decaying radionuclides.

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