The Temperature Profile of A1795 Near Its Virial Radius

Details The Temperature Profile of A1795 Near Its Virial Radius The Temperature Profile of A1795 Near Its Virial Radius

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004head....8.0216i&link_type=abstract

American Astronomical Society, HEAD meeting #8, #02.16; Bulletin of the American Astronomical Society, Vol. 36, p.905

Astronomy and Astrophysics

Astronomy

Scientific paper

While nearly all hydrodynamical simulations of the hot gas contained within clusters of galaxies predict a rapid decline in the temperature of the hot gas outside of 50% of the virial radius, observational evidence of this decline has been sparse, owing to low X-ray count rates at large radii. In this poster, we use multiple offset XMM-Newton observations to determine the temperature (and abundance) behavior of the cluster gas at large ( 70% of the virial radius) radii within A1795, one of the brightest relaxed clusters in the local Universe. We will compare the observations to simulations and discuss the implications of our results.

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