Three-dimensional structure of the Crab Nebula

Details Three-dimensional structure of the Crab Nebula Three-dimensional structure of the Crab Nebula

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.204..415c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 204, July 1983, p. 415-431.

Astronomy and Astrophysics

Astronomy

55

Astronomical Spectroscopy, Crab Nebula, Radial Velocity, Spectral Energy Distribution, Astronomical Models, Brightness Distribution, Data Acquisition, Data Reduction, Red Shift, Synchrotron Radiation, Velocity Distribution

Scientific paper

Radial velocity observations from the Crab Nebula are used to investigate its three-dimensional properties. In the standard model, it consists of a thick, hollow shell, with synchrotron emission from within. The authors show that the thick shell is composed of bright inner and faint outer components surrounded by a higher velocity halo. Filaments are generally circumferential, but radial "spokes" link the inner and outer shells. There are spectral differences between the two extremities of the thick shell. The Crab Nebula's synchrotron emission is confined within the shell system with a sharp discontinuity in brightness at the bright inner shell.

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