Image Details
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.
© 2025. The Author(s). Published by the American Astronomical Society.