The contribution of accretion to the bolometric luminosity of SN 1987 A

Details The contribution of accretion to the bolometric luminosity of SN 1987 A The contribution of accretion to the bolometric luminosity of SN 1987 A

Feb 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998cha%26a..22..299w&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 22, Issue 3, p. 299-308.

Astronomy and Astrophysics

Astrophysics

Scientific paper

The accretion luminosity generated by the accretion of matter ejected at velocities below the escape velocity by an assumed neutron star at the centre of the supernova SN 1987 A will contribute importantly to the bolometric evolution at the later stage. Unlike previous accretion models, our model is directly inspired by the shape of the observed line profile, depends little on specific explosion models, and considers an accretion that goes on for a long time, and not just a few seconds. For an assumed compact object with a mass of 1.4 Msolar and radius 106 cm, our calculation shows that the accretion will provide sufficient energy to explain the bump around 1050 d in the bolometric curve and the slowing-down of the curve after 800 d.

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