O VII/O VIII Emission of Warm/Hot Gas

Details O VII/O VIII Emission of Warm/Hot Gas O VII/O VIII Emission of Warm/Hot Gas

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...196.3424p&link_type=abstract

American Astronomical Society, 196th AAS Meeting, #34.24; Bulletin of the American Astronomical Society, Vol. 32, p.727

Astronomy and Astrophysics

Astronomy

Scientific paper

In the local universe, measurements of the total baryon content in stars, atomic and molecular hydrogen, and clusters fall a factor of two to four below the baryon density derived from observed light-element ratios and nucleosynthesis arguments. A possible hiding place for these missing baryon is in the warm/hot gas at intermediate temperatures, T=105}-10{7K. We present predictions of the O VII and O VIII soft X-ray line emission from this gas calculated using new hydrodynamical simulations. We discuss the possibility of detecting this signature using the Chandra X-ray Observatory and describe requirements for future missions dedicated to O VII and O VIII emission detection.

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