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Rubin Observatory Reveals a Dust-shrouded Halo Globular Cluster in Ophiuchus

  • Authors: Aashay Pai, William Cerny, Andrew B. Pace, Alex Drlica-Wagner, Peter S. Ferguson, Marla Geha, Chin Yi Tan, Sasha N. Campana, Burçin Mutlu-Pakdil, Alexander H. Riley, Nora Shipp, Guy S. Stringfellow

Aashay Pai et al 2026 The Astrophysical Journal Letters 1011 .

  • Provider: AAS Journals

Caption: Figure A1.

Posterior distributions of the morphological properties of Rubin-GC1 modeled with ugali. Here, λ is the stellar richness, (αJ2000, δJ2000) are the centroid coordinates, ah is the angular half-light radius, ε is the ellipticity, PA is the position angle, (m − M)0 is the distance modulus, τ is the isochrone age, and Z is the isochrone metallicity.

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