An Environmental Correlation in the X-ray Properties of Early-Type Galaxies

Details An Environmental Correlation in the X-ray Properties of Early-Type Galaxies An Environmental Correlation in the X-ray Properties of Early-Type Galaxies

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.5211d&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #52.11; Bulletin of the American Astronomical Society, Vol. 26, p.1399

Astronomy and Astrophysics

Astronomy

Scientific paper

The X-ray luminosities L_X of early-type galaxies are known to be strongly correlated with their optical (blue) luminosities L_B, but with a large scatter in L_X for a given L_B. Using the most recent X-ray samples of early-type galaxies, we find that the residuals of L_X from the mean L_X-L_B relation are correlated with environment: relatively X-ray-underluminous galaxies have more bright neighbors. This suggests that ram-pressure stripping may modulate the X-ray properties of early-type galaxies.

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