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Acceleration of particles by rotating black holes: near-horizon geometry and kinematics
Acceleration particles rotating black holes: near-horizon geometry kinematics
2011/10/14
Nowadays, the effect of infinite energy in the centre of mass frame due to near-horizon collisions attracts much attention.We show generality of the effect combining two seemingly completely different...
Formation and evolution of dwarf early-type galaxies in the Virgo cluster I. Internal kinematics
Galaxies clusters individual Virgo Galaxies dwarf Galaxies elliptical and lenticular cD Galaxies
2010/11/12
We present new medium resolution kinematic data for a sample of 21 dwarf early-type galaxies (dEs) mainly in the Virgo cluster,obtained with the WHT and INT telescopes at the Roque de los Muchachos Ob...
Local Stellar Kinematics from RAVE Data: I. Local Standard of Rest
Galaxy kinematics and dynamics solar neighbourhood solar motion local standard of rest stellar content
2010/11/11
We analyze a sample of 82850 stars from the RAVE survey, with well-determined velocities and stellar parameters, to isolate a sample of 18026 high-probability thin-disc dwarfs within 600 pc of the Sun...