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3D ionization structure and kinematics of NGC 2392

Published online by Cambridge University Press:  30 August 2012

Reginald J. Dufour ,
Jonathan N. Sick ,
Patrick M. Hartigan ,
Richard B. C. Henry ,
Karen B. Kwitter  and
Joaquin Bohigas
Reginald J. Dufour
Affiliation:
Rice University, email: rjd@rice.edu
Jonathan N. Sick
Affiliation:
Rice University, email: rjd@rice.edu
Patrick M. Hartigan
Affiliation:
Rice University, email: rjd@rice.edu
Richard B. C. Henry
Affiliation:
University of Oklahoma
Karen B. Kwitter
Affiliation:
Williams College
Joaquin Bohigas
Affiliation:
Williams College
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Abstract

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We discuss the 3D morphology, ionization structure, and kinematics of NGC 2392, the “Eskimo,” based on new and archival HST imagery and new long-slit echelle spectroscopy. High spatial resolution ionization maps of the nebula were made from HST WFPC2 imagery and compared with their velocity structure in various emission lines from echelle spectra taken with the 4m telescope at Kitt Peak. The imagery and spectra were then compared to map the kinematics of the nebula in several emission lines and decode the 3-dimensional morphology and ionization structure of the nebula, including that of C+2 from C III] 1909 Å for the first time.

Keywords

planetary nebulae: individual (NGC 2392)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S283: Planetary Nebulae: An Eye to the Future , July 2011 , pp. 348 - 349
Copyright
Copyright © International Astronomical Union 2012

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