The neutral gas content of X-ray bright elliptical galaxies.

Details The neutral gas content of X-ray bright elliptical galaxies. The neutral gas content of X-ray bright elliptical galaxies.

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...321..765b&link_type=abstract

Astronomy and Astrophysics, v.321, p.765-770

Astronomy and Astrophysics

Astrophysics

17

Galaxies: Cooling Flows, Galaxies: Individual: Ngc 4472, Galaxies: Ism, Galaxies: Elliptical, Radio Lines: Galaxies, X-Rays: Galaxies

Scientific paper

Sensitive CO observations are presented for a sample of elliptical galaxies which are luminous X-ray and weak far infrared (FIR) emitters. Only non-detections were obtained. The absence of detectable amounts of CO (this includes the previously `detected' prototypical galaxy NGC4472) does not support those standard cooling flow scenarios in which dust grain sputtering reduces the FIR luminosity, while cooled down gas is forming a significant mass of dense molecular gas.

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