Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99..650s&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 99, Feb. 1990, p. 650-663.
Astronomy and Astrophysics
Astronomy
88
Bolometers, Infrared Photometry, Light Curve, Supernova 1987A, Ultraviolet Photometry, Black Body Radiation, Far Infrared Radiation, Line Of Sight, Spaceborne Astronomy
Scientific paper
The UV, optical, and IR (UVOIR) bolometric luminosity curve of SN 1987A was derived from ESO, CTIO, and NASA Kuiper Airborne Observatory spectrophotometry for days 1-903 since outburst. It is found that the sum of this UVOIR flux and the high-energy flux predicted by models is consistent with the energy liberated by 0.071 solar mass of Co-56, with no need for additional energy sources for days 126-903 since outburst. By day 400, the flux at wavelegths larger than 5 microns was found to increase rapidly, and by day 650, the UVOIR flux shifted from the optical to a thermal IR source with a temperature of 200-300 K. The optical colors began to fade more rapidly at the time the FIR flux increased, consistent with dust formation local to the supernova.
Bouchet Patrice
Suntzeff Nicholas B.
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