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15 papers · 2 filters
The Astrophysical Distance Scale III: Distance to the Local Group Galaxy WLM using Multi-Wavelength Observations of the Tip of the Red Giant Branch, Cepheids, and JAGB Stars
Abigail J. Lee, Wendy L. Freedman, Barry F. Madore +3
The local determination of the Hubble Constant sits at a crossroad. Current estimates of the local expansion rate of the Universe differ by about 1.7-sigma, derived from the Cephei…
Constraints on the properties of warm dark matter using the satellite galaxies of the Milky Way
Oliver Newton, Matteo Leo, Marius Cautun +5
The satellite galaxies of the Milky Way (MW) are effective probes of the underlying dark matter (DM) substructure, which is sensitive to the nature of the DM particle. In particula…
Dark Energy Survey Year 3 Results: Photometric Data Set for Cosmology
I. Sevilla-Noarbe, K. Bechtol, M. Carrasco Kind +111
We describe the Dark Energy Survey (DES) photometric data set assembled from the first three years of science operations to support DES Year 3 cosmology analyses, and provide usage…
New insights into the formation and growth of boson stars in dark matter halos
Jiajun Chen, Xiaolong Du, Erik W. Lentz +2
This work studies the formation and growth of boson stars and their surrounding miniclusters by gravitational condensation using non-linear dynamical numerical methods. Fully dynam…
A Program for Multi-Messenger Standard Siren Cosmology in the Era of LIGO A+, Rubin Observatory, and Beyond
Hsin-Yu Chen, Philip S. Cowperthwaite, Brian D. Metzger +1
The most promising variation of the standard siren technique combines gravitational-wave (GW) data for binary neutron star (BNS) mergers with redshift measurements enabled by their…
Dark Matter Density Profiles in Dwarf Galaxies: Linking Jeans Modeling Systematics and Observation
Laura J. Chang, Lina Necib
The distribution of dark matter in dwarf galaxies can have important implications on our understanding of galaxy formation as well as the particle physics properties of dark matter…