FUSE Observations of the Planetary Nebula NGC 7009

Details FUSE Observations of the Planetary Nebula NGC 7009 FUSE Observations of the Planetary Nebula NGC 7009

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.0612i&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #06.12; Bulletin of the American Astronomical Society, Vol. 32, p.1399

Astronomy and Astrophysics

Astronomy

Scientific paper

The high-excitation planetary nebula NGC 7009 and its central star were observed by the Far Ultraviolet Spectroscopic Explorer (FUSE) satellite in the wavelength range 905-1187 Å at a spectral resolution of λ /Δ λ ~ 15,000. Although IUE spectra show that stellar C IV 1550 is absent and N V 1240 is weak, the FUSE spectrum reveals a very strong O VI 1032-38 P-Cygni line profile with a terminal velocity of ~ 3500 km/sec. Nebular emission is present in He II, C III, N II, N III, S III, S IV, and several unidentified features. Molecular hydrogen appears to be interstellar in origin. We report on the analysis of the interstellar, nebular, and stellar wind features. This work is based on data obtained for the FUSE Guaranteed Time Team by the NASA-CNES-CSA FUSE mission operated by the Johns Hopkins University. Financial support has been provided in part by NASA contract NAS5-32985 to JHU and NASA grant NAG5-8631 to CUA.

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