Contribution of accretion to the soft X-rays from SN 1987A at the later phase

Details Contribution of accretion to the soft X-rays from SN 1987A at the later phase Contribution of accretion to the soft X-rays from SN 1987A at the later phase

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...339...70w&link_type=abstract

Astronomy and Astrophysics, v.339, p.70-74 (1998)

Astronomy and Astrophysics

Astrophysics

Accretion, Accretion Disks, Supernovae: Individual: Sn 1987A, Stars: Neutron, X-Rays: Star, Radiation Mechanisms: Thermal

Scientific paper

Based on the accretion model presented in our previous paper (Wu et al. 1998), which gives a satisfactory explanation for the evolution of the bolometric luminosity of SN 1987A in a later phase, we infer that the observed soft X-ray flux also originates from the accretion of the central neutron star. The result of the model calculations is in good agreement with the observed X-ray light curve of SN 1987A. Our calculations show the long-term behavior of the X-ray flux which increases with time until age t ~ 4100d, and thenceforth begins to decline slowly.

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