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SED Fitting of Globular Clusters in NGC 4874: Masses and Metallicities

1 Pith paper cite this work. Polarity classification is still indexing.

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abstract

In most nearby galaxies, photometry of the integrated light of their globular clusters (GCs) has been obtained in only two filters, yielding just a single color index. However, NGC 4874, the brightest central galaxy in the Coma cluster, now has Hubble Space Telescope (HST) photometry available in ten filters, giving us a special opportunity to test SED fitting procedures on GCs in distant galaxies. We fitted 29 of the brightest GCs with a library of SEDs from E-MILES and calculated the best-fit metallicity and mass of each cluster. Using the fitted masses and luminosities derived from the reddest magnitudes, in the flat portion of the GC spectrum, we also calculated inferred mass-to-light ratios for our sample GCs; these were in the range (M/L) $\simeq 2 - 4$, slightly larger than the average values for Milky Way GCs but within the conventional range.

fields

cs.CV 1

years

2025 1

verdicts

UNVERDICTED 1

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Veila: Panoramic LiDAR Generation from a Monocular RGB Image

cs.CV · 2025-08-05 · unverdicted · novelty 5.0

A monocular-RGB-conditioned diffusion framework for panoramic LiDAR generation is described in the abstract, but the submission's body text is an unrelated astronomy paper, leaving the core claims unsupported.

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  • Veila: Panoramic LiDAR Generation from a Monocular RGB Image cs.CV · 2025-08-05 · unverdicted · none · ref 2 · internal anchor

    A monocular-RGB-conditioned diffusion framework for panoramic LiDAR generation is described in the abstract, but the submission's body text is an unrelated astronomy paper, leaving the core claims unsupported.