Tuesday, 19th February at 10.30am at the JAC
Stephane Courteau
Queen's University, Canada
"Puzzles in Galaxy Scaling Relations"
ABSTRACT:
Spiral galaxies exhibit global correlations between their
total luminosity, maximum circular velocity, and disk scale
length that pose a fundamental challenge to standard models
of structure formation. On local scales, galaxy scaling
relations that include velocity dispersion estimates (such
as the M_BH-sigma and the Vcirc-sigma relations) are also
challenging to both structure formation and galaxy dynamics
models. I will discuss recent derivations of global and
local galaxy scaling relations and our attempts to understand
them.
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