Photoionization of a fast shell around the Crab Nebula

Details Photoionization of a fast shell around the Crab Nebula Photoionization of a fast shell around the Crab Nebula

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...162l...6l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 162, no. 1-2, July 1986, p. L6-L8.

Astronomy and Astrophysics

Astronomy

8

Crab Nebula, Photoionization, Stellar Envelopes, Supernovae, Ultraviolet Astronomy, Absorption Spectra, Line Spectra, Pulsars

Scientific paper

The light curve of SN 1054 and elemental abundances of the Crab Nebula indicate that the observed nebula is surrounded by a rapidly expanding shell. The ionization and temperature of this shell is calculated, and it is shown that for plausible parameters, the shell should be detectable as broad UV absorption features in the UV resonance lines of C IV, N V and O VI. The Crab pulsar provides a suitable background source.

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