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  • The kinematics of the large western knot in the halo of the young planetary nebula ngc 6543 

    Mitchell, Deborah L.; Bryce, M.; Meaburn, J.; López, J. A.; Redman, M. P.; Harman, D.; Richer, M. G.; Riesgo, H. (Oxford University Press (OUP), 2005-08-25)
    A detailed analysis of the dominant ionized knot in the halo of the planetary nebula NGC 6543 is presented. Observations were made at high spectral and spatial resolution of the [OIII]lambda 5007-angstrom line using the ...