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High Resolution X-ray Images of Puppis a and IC 443

  • R. Petre (a1), C. R. Canizares (a2), P. F. Winkler (a3), F. D. Seward (a4), R. Willingale (a5), D. Rolf (a5) and N. Woods (a5)...

Abstract

We present soft X-ray photomosaic images of two supernova remnants, Puppis A and IC 443, constructed from a series of exposures by the Einstein imaging instruments. The complex morphologies displayed in these images reflect the interaction between “middle-aged” supernova remnants and various components of the interstellar medium. Surface brightness variations across Puppis A suggest that inhomogeneities on scales from 0.2 to 30 pc are present in the interstellar medium, while the structure of IC 443 is apparently dominated by the interaction between the remnant and a giant molecular cloud.

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Copyright

References

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Cornett, R.H., Chin, G., and Knapp, G.R. 1977, Astron. Ap., 54, pp. 889894.
DeNoyer, L.K. 1979, Ap. J. (Letters), 228, pp. L41L43.
Fesen, R.A., and Kirshner, R.P. 1980, Ap. J., 242, pp. 10231040.
Giovanelli, R., and Haynes, M.P. 1979, Ap. J., 230, pp. 404414.
Petre, R., Canizares, C.R., Kriss, G.A., and Winkler, P.F. 1982a, Ap. J., 258, pp. 2230.
Petre, R., Szymkowiak, A.E., Canizares, C.R., Seward, F.D., Willingale, R., Rolf, D., and Woods, N. 1982b, in preparation.
Scoville, N.Z., Irvine, W.M., Wannier, P.G., and Predmore, C.R. 1977, Ap. J., 216, pp. 320328.

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