DETECTING THE RAPIDLY EXPANDING OUTER SHELL OF THE CRAB NEBULA: WHERE TO LOOK

We present a range of steady-state photoionization simulations, corresponding to different assumed shell geometries and compositions, of the unseen postulated rapidly expanding outer shell to the Crab Nebula. The properties of the shell are constrained by the mass that must lie within it, and by lim...

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Veröffentlicht in:	The Astrophysical journal 2013-09, Vol.774 (2), p.1-13
Hauptverfasser:	Wang, Xiang, Ferland, G J, Baldwin, J A, Loh, E D, Richardson, C T
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION Age APPROXIMATIONS ASTROPHYSICS, COSMOLOGY AND ASTRONOMY CRAB NEBULA Crabs Density EMISSION EXPLOSIONS HYDROGEN Ionization MASS Mathematical models PHOTOIONIZATION RECOMBINATION Searching SIMULATION STEADY-STATE CONDITIONS SUPERNOVAE TELESCOPES VISIBLE RADIATION
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