Stellar Kinematics in the LeoI Dwarf Spheroidal Galaxy - Wide Field Implications on Galactic Mass Profiles

Details Stellar Kinematics in the LeoI Dwarf Spheroidal Galaxy - Wide Field Implications on Galactic Mass Profiles Stellar Kinematics in the LeoI Dwarf Spheroidal Galaxy - Wide Field Implications on Galactic Mass Profiles

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20711303k&link_type=abstract

American Astronomical Society Meeting 207, #113.03; Bulletin of the American Astronomical Society, Vol. 37, p.1345

Astronomy and Astrophysics

Astronomy

Scientific paper

We present radial velocity measurements of red giants in the Galactic dwarf spheroidal (dSph) galaxy Leo I based on data taken with Gemini's Multiobject Spectrograph GMOS. These data, reaching out to the galaxy's nominal tidal radius, permit us to trace its velocity dispersion profile across the whole area of Leo I. By means of detailed dynamical modelling we discuss the implications on this dSph's dark matter halo and mass profile.
AK acknowledges support from the European Commission under the Marie Curie Early Stage Research Training programme.

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