X-Ray Emission from the Collision of the Ejecta with the Ring Nebula around Supernova 1987A

Details X-Ray Emission from the Collision of the Ejecta with the Ring Nebula around Supernova 1987A X-Ray Emission from the Collision of the Ejecta with the Ring Nebula around Supernova 1987A

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...274..883s&link_type=abstract

Astronomy and Astrophysics, Vol. 274, NO. 3/JUL(III), P. 883, 1993

Astronomy and Astrophysics

Astrophysics

34

Scientific paper

To provide theoretical predictions for future X-ray observations of the remnant of SN 1987A, we perform two-dimensional axisymmetric hydrodynamical calculations of the collision between the ejecta of SN 1987A and its circumstellar nebula including the ring. The collision with the ring will start at 12-15 years after the supernova explosion. The intensity of the X-ray emission will increase as the mass of ring material grows which is heated by a shock wave arising from the collision. The X-ray flux is predicted to reach the observable level with the planned X-ray astronomical satellites. To diagnose the circumstellar structure around SN 1987A with future X-ray observations, we further study the dependence of the X-ray emission on the density, mass, and geometry of circumstellar matter including the comparison with the spherically symmetric model.

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