Uncloaking globular clusters in the inner Galaxy

Javier Alonso-García, Mario Mateo, Bodhisattva Sen, Moulinath Banerjee, Márcio Catelan, Dante Minniti, Kaspar Von Braun

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

66 Citas (Scopus)

Resumen

Extensive photometric studies of the globular clusters located toward the center of the Milky Way have been historically neglected. The presence of patchy differential reddening in front of these clusters has proven to be a significant obstacle to their detailed study. We present here a well defined and reasonably homogeneous photometric database for 25 of the brightest Galactic globular clusters located in the direction of the inner Galaxy. These data were obtained in the B, V, and I bands using the Magellan 6.5m Telescope and the Hubble Space Telescope. A new technique is extensively used in this paper to map the differential reddening in the individual cluster fields, and to produce cleaner, dereddened color-magnitude diagrams for all the clusters in the database. Subsequent papers will detail the astrophysical analysis of the cluster populations, and the properties of the obscuring material along the clusters' lines of sight.

Idioma originalInglés
Número de artículo70
PublicaciónAstronomical Journal
Volumen143
N.º3
DOI
EstadoPublicada - mar 2012

Áreas temáticas de ASJC Scopus

  • Astronomía y astrofísica
  • Ciencias planetarias y espacial

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