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Spatially resolved proles of the Ha, [N II] 6584 and [O III] 5007 lines have been obtained with A , A the Manchester echelle spectrometer combined with the 2.1 m San Pedro Ma rtir telescope over the planetary nebula NGC 2440. The resulting position-velocity (PV) arrays are compared with ground-based and HST archival imagery, revealing the complex structure that prevails in this object. This work represents the rst detailed kinematical study of NGC 2440.
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López et al. (1998) studied this question.
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