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Globular Clusters in the Galaxy Cluster MACS0416 at z = 0.397

  • Authors: Jessica M. Berkheimer, Rogier A. Windhorst, William E. Harris, Anton M. Koekemoer, Timothy Carleton, Seth H. Cohen, Rolf A. Jansen, Dan Coe, Jose Diego, Christopher J. Conselice, Simon P. Driver, Brenda L. Frye, Norman A. Grogin, Kate Hartman, Tyler R. Hinrichs, Benne W. Holwerda, Patrick S. Kamieneski, Kaitlyn E. Keatley, William C. Keel, Ray A. Lucas, Madeline A. Marshall, Mario Nonino, Nor Pirzkal, Massimo Ricotti, Clayton D. Robertson, Aaron Robotham, Russell E. Ryan, Jake Summers, Christopher N.A. Willmer, Haojing Yan

Jessica M. Berkheimer et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 9.

Left: before contamination correction. Right: after contamination correction. Note that the background estimate of ∼10 sources per cell is derived after applying the same GC candidate selection criteria (multifilter detection, sharpness/roundness limits, and PSF-based classification) to both the central cluster field and the outer pointings, ensuring a consistent comparison.

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