The Physical Structure of the Planetary Nebula NGC 6445

Details The Physical Structure of the Planetary Nebula NGC 6445 The Physical Structure of the Planetary Nebula NGC 6445

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..804...64b&link_type=abstract

PLANETARY NEBULAE AS ASTRONOMICAL TOOLS: International Conference on Planetary Nebulae as Astronomical Tools. AIP Conference Pr

Astronomy and Astrophysics

Astronomy

1

Planetary Nebulae, Stellar Structure, Stellar Spectra, Stellar Composition, Planetary Nebulae, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Luminosities, Magnitudes, Effective Temperatures, Colors, And Spectral Classification, Abundances, Chemical Composition

Scientific paper

Narrow band images, low and high dispersion long slit spectra and radio continuum data of the planetary nebula NGC 6445 are presented. Spectra were obtained with the 2.1m UNAM Telescope at San Pedro Martir Observatory (OAN-SPM, Mexico) using the Boller & Chivens spectrograph and the Manchester Echelle Spectrograph. CCD imagery was obtained with the 1.5 m Telescope at Observatorio de Sierra Nevada (OSN, Spain). Radio continuum data were obtained with the VLA-C. NGC 6445 is a non-symmetric type I planetary nebula with a very bright central ring, opened lobes and many internal microstructures. We analyze the internal kinematics and obtain maps of the chemical abundances and physical conditions in this nebula. Preliminary results indicate a quadrupolar planetary nebula with important variations of the physical and chemical parameters in different regions of this object.

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