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6 papers · 1 filter
Exploring Halo Substructure with Giant Stars: II. Mapping the Extended Structure of the Carina Dwarf Spheroidal Galaxy
S. R. Majewski, J. C. Ostheimer, R. J. Patterson +3
As part of our survey for substructure in the Milky Way halo as traced by giant stars, and to look for tidal stellar debris in the halo viable for measurement of the Galactic mass…
The Unique Properties of omega Centauri Seen Through Stroemgren Eyes
M. Hilker, T. Richtler
A revised metallicity calibration of the Stroemgren (b-y),m_1 diagram, based on a sample of globular cluster and field red giant stars, is presented. This new calibration has been…
A New Giant Branch Clump Structure In the Large Magellanic Cloud
A. E. Piatti, D. Geisler, E. Bica +4
We present Washington C, T1 CCD photometry of 21 fields located in the northern part of the Large Magellanic Cloud (LMC), and spread over a region of more than 2.52 degrees approxi…
The ground state of a spin-1/2 neutral particle with anomalous magnetic moment in a Aharonov-Casher configuration
S. Bruce, L. Roa
We determine the (bound) ground state of a spin 1/2 chargless particle with anomalous magnetic moment in certain Aharonov-Casher configurations. We recast the description of the sy…
Unbroken supersymmetry in the Aharonov-Casher effect
S. Bruce et. al
We consider the problem of the bound states of a spin 1/2 chargless particle in a given Aharonov-Casher configuration. To this end we recast the description of the system in a supe…
Statistics of Stellar Populations of Star Clusters and Surrounding Fields in the Outer Disk of the Large Magellanic Cloud
J. F. C. Santos, A. E. Piatti, J. J. Claria +3
A comparative analysis of Washington color-magnitude diagrams (CMDs) for 14 star clusters and respective surrounding fields in the Large Magellanic Cloud (LMC) outer disk is presen…