Elongated X-ray Emission from Galaxies in Clusters with Chandra

Details Elongated X-ray Emission from Galaxies in Clusters with Chandra Elongated X-ray Emission from Galaxies in Clusters with Chandra

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1248..295i&link_type=abstract

X-RAY ASTRONOMY 2009; PRESENT STATUS, MULTI-WAVELENGTH APPROACH AND FUTURE PERSPECTIVES: Proceedings of the International Confer

Astronomy and Astrophysics

Astronomy

Clusters Of Galaxies, X-Ray Sources (Astronomical), Brightness, Interstellar Matter, Galaxy Clusters, X-Ray Sources, X-Ray Bursts, Magnitudes And Colors, Luminosities, Interstellar Dust Grains, Diffuse Emission, Infrared Cirrus

Scientific paper

We systematically analyzed 27 member galaxies in the Virgo cluster. Elongated X-ray features are found in 10 out of 27 objects. Furthermore, we analyzed other 13 clusters with temperature of 1-10 keV to examine environmental effects on the galaxies' gas. We examined the size, the luminosity and the mass of 25 E/S0 galaxies in the various environments. Every parameter in X-ray gets significantly smaller and fainter as the ambient ICM pressure increases. Since the temperature of the ICM is proportional to the square of the velocity dispersion of galaxies, the trends are fully consistent with the ram pressure stripping scenario.

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