Echelle spectroscopy of the nuclei of the highly collimated bipolar planetary nebulae M 2-9 and M 1-91

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Torres-Peimbert, S.; Arrieta, A.; Bautista, M;
(2010)
  • Publisher: Instituto de Astronomía, UNAM
  • Subject: planetary nebulae

We present echelle spectroscopy of the unresolved nuclei of the bipolar planetary nebulae M 2-9 and M 1-91. The spectrum is dominated by emission lines emitted under a wide range of physical conditions. From the observations we identify the emission lines, derive physic... View more
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