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The spectrum of the planetary nebula NGC 6567 (1993)

Feibelman, Walter A. ; Hyung, Siek ; Aller, Lawrence H.

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Publication Date: 2019-07-13

Description: Because of the similarity of its spectrum to that of NGC 6572 particularly in the UV we have made a detailed study of NGC 6567 using both the IUE for the UV region and the Hamilton Echelle at Lick Observatory for the optical region. Plasma diagnostics suggest an electron temperature of about 11,500 K an electron density near 9000/cu cm. The chemical composition of this Population Type II high-velocity planetary nebula is found from ionic concentrations and a theoretical model. The 'metal'/H ratio is lower than in the sun, except for C whose abundance is enhanced to about 30% over the solar value and for He which may be slightly enhanced. There is no evidence of any spectral variability.

Keywords: ASTRONOMY

Type: Astronomical Society of the Pacific, Publications (ISSN 0004-6280); 105; 693; p. 1279-1286

Format: text

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