Photospheric Metal Abundances in the Very Hot, Hydrogen-Rich Central Stars of the Planetary Nebulae NGC1360 and NGC6853

Details Photospheric Metal Abundances in the Very Hot, Hydrogen-Rich Central Stars of the Planetary Nebulae NGC1360 and NGC6853 Photospheric Metal Abundances in the Very Hot, Hydrogen-Rich Central Stars of the Planetary Nebulae NGC1360 and NGC6853

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...31r&link_type=abstract

Chandra Proposal ID #01200299

Computer Science

Chandra Proposal Id #01200299

Scientific paper

We propose the spectroscopic observation of the very hot, hydrogen-rich central stars of the planetary nebulae NGC 1360 and NGC 6853. These are the brightest of four objects of this spectral subtype which were detected in the EUVE all-sky survey. Both were detected also by ROSAT. The high-resolution AXAF spectra will be analyzed together with high-resolution high-S/N optical, ultraviolet (IUE), extreme ultraviolet(EUVE), and X-ray (ROSAT) data by means of fully metal-line blanketed NLTE model atmospheres. Principal aim of the AXAF observations is the first comprehensive determination of light metal (Li - Ca) abundances as well as of iron group element abundances in central stars of planetary nebulae.

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