The extended globular cluster system of the archetypal "failed galaxy" Dragonfly-44 from deep white-light Hubble Space Telescope imaging

arXiv:2607.26152 · astro-ph.GA · Submitted 2026-07-28 · Read on arXiv

astro-ph.GA

Submitted: 2026-07-28

Updated: 2026-09-11

Comments: Submitted to ApJL. 10 pages, 4 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Aperture — 9× in this paper · explained in 1 episode
• Benchmark — 3× in this paper · explained in 2 episodes
• Metallicity — 3× in this paper · explained in 3 episodes
• Population Synthesis — 2× in this paper · explained in 2 episodes
• Aperture Photometry — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• Dark matter-deficient twins: FCC 224 and FCC 240 as possible analogues of NGC 1052-DF2 and DF4
• On the dark matter content of ultra-diffuse galaxies

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