Extended Infrared Emission in the Galaxy Cluster 1E 1111.9-3754: No Evidence for a Low-Mass Accretion Population

Details Extended Infrared Emission in the Galaxy Cluster 1E 1111.9-3754: No Evidence for a Low-Mass Accretion Population Extended Infrared Emission in the Galaxy Cluster 1E 1111.9-3754: No Evidence for a Low-Mass Accretion Population

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...449l.113j&link_type=abstract

Astrophysical Journal Letters v.449, p.L113

Astronomy and Astrophysics

Astronomy

4

Accretion, Accretion Disks, Infrared: Galaxies

Scientific paper

Optical observations of an extended red halo surrounding the galaxy 1E 1111.9-3754 sparked considerable interest as potentially the first detection of low-mass star formation in an X-ray cooling flow. To test this possibility, we obtained near-infrared surface photometry of this galaxy at J (1.25 mu m) and K (2.15 mu m) and compare this data with models of a low-mass stellar accretion population. Our surface brightness measurements are consistent with a normal r1/4 elliptical galaxy profile and show no evidence of an extended infrared halo, which argues against the low-mass stellar accretion hypothesis.

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