X-ray and ultraviolet line emission from supernova remnant 1987A

Details X-ray and ultraviolet line emission from supernova remnant 1987A X-ray and ultraviolet line emission from supernova remnant 1987A

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...189.4506b&link_type=abstract

American Astronomical Society, 189th AAS Meeting, #45.06; Bulletin of the American Astronomical Society, Vol. 28, p.1331

Astronomy and Astrophysics

Astronomy

Scientific paper

The soft X-ray emission seen from SN1987A and the apparent deceleration of the radio source expansion suggest that the supernova blast wave has encountered a moderately dense HII region interior to the inner circumstellar ring. We simulate the hydrodynamics of this interaction and calculate the resulting X-ray and ultraviolet emission line spectrum and light curves. The soft X-ray spectrum is dominated by emission lines of hydrogenic and helium-like C, N, O, and Ne; it is consistent with the ROSAT observations if Fe is depleted on grains. Broad, NVlambda lambda1240 and Lyalpha emission should brighten steadily and should be observable easily with the Hubble Space Telescope, and broad Hα , with ground-based telescopes. The blast wave should strike the inner circumstellar ring ca. AD2007.

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