Ground-based CCD astrometry with wide field imagers III. WFI@2.2m proper-motion catalog of the globular cluster ω Centauri
Date
2009
Authors
Bellini, A
Piotto, G
Bedin, L R
Anderson, Jay
Platais, Imants
Momany, Y
Moretti, A
Milone, Antonino
Ortolani, Sergio
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Springer
Abstract
Context. ω Centauri is the most well studied Galactic Globular Cluster because of its numerous puzzling features: significant dispersion in metallicity, multiple populations, triple main-sequence, horizontal branch morphology, He-rich population(s), and
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Keywords: Astronomical satellites; Astronomy; Charge coupled devices; Digital cameras; Fourier transforms; Galaxies; Helium; Image segmentation; Optical instruments; Optical telescopes; Photometers; Photometry; Probability distributions; Telescopes; Astrometry; Cat Astrometry; Catalogs; Galaxy: globular clusters: general; Galaxy: globular clusters: individual: ? cen; Stars: Hertzsprung-russell (HR) and C-M diagrams; Stars: population II
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Source
Astronomy and Astrophysics
Type
Journal article
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2037-12-31
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