SIMBAD references

1999PASP..111..221F - Publ. Astron. Soc. Pac., 111, 221-226 (1999/February-0)

Detection of O VII λ1522 in IUE spectra of planetary nebula nuclei and other hot stars.

FEIBELMAN W.A.

Abstract (from CDS):

We present the first detection of O VII λ1522 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.

Abstract Copyright: ∼

Journal keyword(s): ISM: Planetary Nebulae: General - ISM: Jets and Outflows - ultraviolet: emission - white dwarfs

Simbad objects: 19

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