Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543627o&link_type=abstract
American Astronomical Society, AAS Meeting #215, #436.27; Bulletin of the American Astronomical Society, Vol. 42, p.388
Astronomy and Astrophysics
Astronomy
Scientific paper
We present HST Ultraviolet observations of 7 Brightest Cluster Galaxies (BCGs) in cooling flow clusters. All 7 BCGs have an IR excess detected by Spitzer which indicates the presence of star formation. We detect extended UV continuum and Lyman-alpha emission in all 7 BCGs. We estimate star formation rates from the UV emission which are less then those derived from the Spitaer IR observations suggesting considerable obscuration in these BCGs. We find offsets between the UV and X-ray emission in these BCGs. We discuss the implications for cooling, feedback, and star formation.
Baum Stefi
Donahue Megan
Edge Alastair
O'Dea Chris
O'Dea Kieran
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