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FEELING THE PULL: A STUDY OF NATURAL GALACTIC ACCELEROMETERS. I. PHOTOMETRY OF THE DELICATE STELLAR STREAM OF THE PALOMAR 5 GLOBULAR CLUSTER

  • Authors: Rodrigo A. Ibata, Geraint F. Lewis, and Nicolas F. Martin

2016 The Astrophysical Journal 819 1.

  • Provider: AAS Journals

Caption: Figure 5.

Photometry of Palomar 5. Panels (a) and (b) compare the CFHT and SDSS photometry in a 1 square-degree field centered on the globular cluster remnant. The irregular polygon superimposed on (a) encompasses the stellar populations observed within the central ﹩15^{\prime} ﹩. The error bars show the average color and magnitude uncertainties for stars in the color range ﹩0.2\lt {(g-r)}_{0}\lt 0.7﹩, and are shown only when either the color or magnitude uncertainty exceeds 0.01 mag. Clearly the CFHT photometry provides a significant improvement over the SDSS in this region. We combine the CFHT and KPNO photometry in panels (c) and (d).

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