3 papers
astro-ph.GA2025
Structure and Dynamics of the Young Massive Star Cluster Westerlund 1
Lingfeng Wei, Matthew W. Hosek, Jessica R. Lu +8
We present a structural analysis of the young massive star cluster Westerlund 1 (Wd 1). With multi-epoch Hubble Space Telescope (HST) observations, we measure the proper motions of…
astro-ph.GA2025
Connecting Cores and Black Hole Dynamics Across Scales: From Globular Clusters to Massive Ellipticals
Kyle Kremer, Newlin C. Weatherford, Philip F. Hopkins +2
The centers of massive elliptical galaxies exhibit a wide range in density profiles, from central cusps to resolved cores with order kiloparsec sizes. The cored ellipticals have be…
astro-ph.SR2024
Finding the unusual red giant remnants of cataclysmic variable mergers
Nicholas Z. Rui, Jim Fuller
Mergers between helium white dwarfs and main-sequence stars are likely common, producing red giant-like remnants making up roughly a few percent of all low-mass (…