activity
19962026
most citedA giant stream of metal-rich stars in the halo of the galaxy M31

593 citations · 11.5k across the 159 of their papers we have counts for

collaborators

162 papers

astro-ph.GA2026

Euclid: Data Release 1 (DR1) -- Fornax-7, an ultra-faint companion to the Fornax dwarf spheroidal galaxy? A remote star cluster or dwarf satellite of the Fornax dSph

T. Saifollahi, A. Lançon, A. M. N. Ferguson +165

We report the discovery of an ultra-faint stellar system in the vicinity of the Fornax dwarf spheroidal (dSph) galaxy in Euclid DR1. This system, which we designate Fornax-7, is lo…

astro-ph.GA2023

JWST MIRI and NIRCam Unveil Previously Unseen Infrared Stellar Populations in NGC 6822

Conor Nally, Olivia C. Jones, Laura Lenkić +9

NGC 6822 is a nearby (~490 kpc) non-interacting low-metallicity (0.2 Zsolar) dwarf galaxy which hosts several prominent H ii regions, including sites of highly embedded active star…

astro-ph.GA2023★ 14 cited

Rubin Observatory LSST Stars Milky Way and Local Volume Star Clusters Roadmap

Christopher Usher, Kristen C. Dage, Léo Girardi +26

The Vera C. Rubin Observatory will undertake the Legacy Survey of Space and Time, providing an unprecedented, volume-limited catalog of star clusters in the Southern Sky, including…

astro-ph.GA2023★ 1 cited

Extragalactic Star Cluster Science with the Nancy Grace Roman Space Telescope's High Latitude Wide Area Survey and the Vera C. Rubin Observatory

Kristen C. Dage, Christopher Usher, Jennifer Sobeck +22

The Nancy Grace Roman Telescope's High Latitude Wide Area Survey will have a number of synergies with the Vera Rubin Observatory's Legacy Survey of Space and Time (LSST), particula…

astro-ph.GA2023★ 1 cited

RomAndromeda: The Roman Survey of the Andromeda Halo

Arjun Dey, Joan Najita, Carrie Filion +50

As our nearest large neighbor, the Andromeda Galaxy provides a unique laboratory for investigating galaxy formation and the distribution and substructure properties of dark matter…

astro-ph.IM2023★ 2 cited

NANCY: Next-generation All-sky Near-infrared Community surveY

Jiwon Jesse Han, Arjun Dey, Adrian M. Price-Whelan +206

The Nancy Grace Roman Space Telescope is capable of delivering an unprecedented all-sky, high-spatial resolution, multi-epoch infrared map to the astronomical community. This oppor…