Laboratory Wavelengths of K-Shell Resonance Lines of O V and O VI

Details Laboratory Wavelengths of K-Shell Resonance Lines of O V and O VI Laboratory Wavelengths of K-Shell Resonance Lines of O V and O VI

Apr 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004apj...604..562s&link_type=abstract

The Astrophysical Journal, Volume 604, Issue 2, pp. 562-564.

Astronomy and Astrophysics

Astronomy

19

Atomic Data, Galaxies: Active, Galaxies: Seyfert, Methods: Laboratory

Scientific paper

We present wavelength measurements of K-shell resonance lines of O V and O VI using the University of California Lawrence Livermore National Laboratory EBIT-I electron beam ion trap. The wavelength accuracy of better than 140 parts per million is sufficient to determine gas outflow velocities of warm absorbers associated with active galactic nuclei to within 40 km s-1 and better. Our measurements confirm that the outflow velocities associated with NGC 5548 and derived from the O V and O VI lines are similar to those derived from the O VII lines. These kinematic measurements make for further evidence that the X-ray and UV absorbers in these systems are truly two manifestations of the same physical outflow.

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