Detection of O VII lambda1522 in IUE Spectra of Planetary Nebula Nuclei and Other Hot Stars

Details Detection of O VII lambda1522 in IUE Spectra of Planetary Nebula Nuclei and Other Hot Stars Detection of O VII lambda1522 in IUE Spectra of Planetary Nebula Nuclei and Other Hot Stars

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999pasp..111..221f&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 111, Issue 756, pp. 221-226.

Astronomy and Astrophysics

Astronomy

5

Ism: Planetary Nebulae: General, Ism: Jets And Outflows, Ultraviolet: Emission, White Dwarfs

Scientific paper

We present the first detection of O VII lambda1522 emission or absorption from archival IUE spectra in 14 planetary nebula nuclei and three PG 1159-type stars. The n=5-->6 transition of O VII was determined by Kruk & Werner and observed by them in the spectrum of the very hot PG 1159-type star H1504+65 from data obtained with the Hopkins Ultraviolet Telescope (HUT). Emission-line fluxes or absorption equivalent widths as well as radial velocities for the program stars are presented. The precise rest wavelength for the 5-->6 transition requires further investigation.

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