Abstract
Long-slit spectra of high spectral and spatial resolution of the compact planetary nebula Hu 2-1, are presented. The analysis of the [NII] 6583 emission line detected in the spectra allows us to identify the kinematical components present in the nebula and to deduce their basic geometry. We use position-velocity maps of the [NII] 6583/Hα line intensity ratio in order to identify nebular regions in which shock-excitation and/or overabundace of N exist.
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Miranda, L.F., Eibe, M.T., Eiroa, C. et al. Long-slit spectroscopy of the compact planetary nebula Hu 2-1. Astrophys Space Sci 224, 517–518 (1995). https://doi.org/10.1007/BF00667933
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DOI: https://doi.org/10.1007/BF00667933