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Title:
The IUE Spectrum, Electron Density, and Terminal Wind Velocity of the ``O VI Sequence'' Planetary Nebula NGC 5315
Authors:
Feibelman, Walter A.
Publication:
The Astrophysical Journal, Volume 506, Issue 2, pp. 773-779. (ApJ Homepage)
Publication Date:
10/1998
Origin:
APJ
ApJ Keywords:
LINE: IDENTIFICATION, ISM: PLANETARY NEBULAE: INDIVIDUAL: NGC NUMBER: NGC 5315, ULTRAVIOLET: ISM
DOI:
10.1086/306281
Bibliographic Code:
1998ApJ...506..773F

Abstract

Extensive archival and new IUE data obtained during the last (19th) year episode of the ``O VI sequence'' planetary nebula NGC 5315 and its central star have been analyzed. A large number of high-excitation emission lines have been identified, and their fluxes were determined. These yield electron densities from C III], Si III], and N III], and terminal wind velocities from C IV lambda1549 low- and high-dispersion spectra. The values are quite high, in the range of log N_e = 4.9 +/- 0.1 cm^-3 from C III] and Si III] diagnostics, and terminal wind velocities are in the range of -3600 +/- 100 km s^-1.
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