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American Astronomical Society, Astronomical Journal, 4(128), p. 1711-1715, 2004

DOI: 10.1086/424623

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Physical Structure of Planetary Nebulae. III. The Large and Evolved NGC 1360

Journal article published in 2004 by Daniel B. Goldman, Martin A. Guerrero ORCID, You-Hua Chu ORCID, Robert A. Gruendl
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

NGC 1360 is a large planetary nebula (PN) without an obvious shell morphology. We have analyzed H-alpha images and high-dispersion echelle spectra of NGC 1360 in order to construct spatio-kinematic models and to determine its density distribution. The best-fit model indicates that NGC 1360 is a prolate ellipsoidal shell whose major axis is twice as long as its minor axis and is tilted by 60 arcdeg with respect to the line of sight. The large kinematic age of the shell, ~10,000 yr, and the low density of the nebula,