Nebular vs. Stellar Wind Abundances in NGC 6543

Details Nebular vs. Stellar Wind Abundances in NGC 6543 Nebular vs. Stellar Wind Abundances in NGC 6543

2003-05-08

arxiv.org/abs/astro-ph/0305128v1

Astronomy and Astrophysics

Astrophysics

PASP, accepted (August 2003 issue). 16 pages; 5 figures

Scientific paper

10.1086/376573

An early analysis of Chandra observations of the planetary nebula NGC 6543 suggested that the location and the derived temperature for the X-ray emitting region is inconsistent with the abundances measured for this object (Chu et al. 2001). We revisit observations of this source (following significant updates to both the reprocessing and extraction software) in order to propose a resolution to this apparent anomaly. Our re-analysis using abundances found from observations in the infrared, optical, and ultraviolet suggests that the location and temperature of the X-ray emission from NGC 6543 is consistent with nebular abundances expected for the source.

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