Other
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20440m&link_type=abstract
Spitzer Proposal ID #20440
Other
Scientific paper
The Pavo group, with dominant elliptical galaxy NGC 6876 and large spiral galaxy NGC 6872, hosts a rich spectrum of interactions between between the galaxies and the group IGM, as evidenced by tidally distorted arms and stellar bridges in the spiral, a probable binary black hole at the nucleus of the dominant elliptical, and a hot, expansive X-ray trail between NGC 6872 and NGC 6876 caused by the high velocity motion of the large spiral through the Pavo group core. We propose to use IRAC observations in all four channels to study the dust distributions in and near NGC 6876 and NGC 6872 in the Pavo group to determine the relationship of dust to other stellar and ISM tracers of the interaction, such as X-ray, Halpha, and HI emissions. These observations will resolve ambiguities in current interaction models for the Pavo system and sharpen our understanding of the physical consequences of such interactions on the evolution of galaxy groups.
Forman William R.
Jones Christine
Machacek Marie M.
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