Properties of low-z OVI absorbers

Details Properties of low-z OVI absorbers Properties of low-z OVI absorbers

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21348207t&link_type=abstract

American Astronomical Society, AAS Meeting #213, #482.07; Bulletin of the American Astronomical Society, Vol. 41, p.451

Astronomy and Astrophysics

Astronomy

Scientific paper

One of the central issues in modern Cosmology is the location of the missing baryons. In the low-z universe, simulations indicate that between 30 -- 50% of the baryons reside in the hot IGM. The OVI resonance doublet has been suggested as a prime tracer of the missing mass, due to the relative abundance of oxygen, favourable wavelength and unambiguous doublet identification. We have performed a blind search for OVI in the HST/STIS archive and present a brief summary of the results. Both statistical measures, (such as dN/dz, f(N) and Omega_OVI), as well as the physical conditions of individual systems will be shown.

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