An analytical description of the extended halos of cD galaxies

Details An analytical description of the extended halos of cD galaxies An analytical description of the extended halos of cD galaxies

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.9214s&link_type=abstract

American Astronomical Society Meeting 205, #92.14; Bulletin of the American Astronomical Society, Vol. 36, p.1491

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Scientific paper

We have observed 6 nearby cD galaxies to a depth of 26.5 R-mag/arcsec2 with the Jacobus Kapteyn Telescope (JKT) on La Palma. Surprisingly little is known about the structure of the extended, low surface brightness halos around such objects.
We plan to determine the most appropriate analytical model to describe cD galaxy halos, whether this be an exponential profile, a Sersic model, or some other function. We additionally intend to measure the fraction of light contained within the halo, relative to the central galaxy. To date, this has typically been done by simply assigning to the halo, any and all excess flux relative to an inner r(1/4) model.

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