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Searching for new globular clusters in M 31 with Gaia EDR3
Yilun Wang, Haibo Yuan, Bingqiu Chen +4
We found 50 new globular cluster (GC) candidates around M\,31 with Gaia Early Data Release 3 (EDR3), with the help from Pan-STARRS1 DR1 magnitudes and Pan-Andromeda Archaeological…
The Influence of Subhaloes on Host Halo Properties
Lorena Mezini, Catherine E. Fielder, Andrew R. Zentner +3
Within the CDM cosmology, dark matter haloes are comprised of both a smooth component and a population of smaller, gravitationally bound subhaloes. These components are often tr…
Probing galaxy evolution in massive clusters using ACT and DES: splashback as a cosmic clock
Susmita Adhikari, Tae-hyeon Shin, Bhuvnesh Jain +113
We measure the projected number density profiles of galaxies and the splashback feature in clusters selected by the Sunyaev--Zeldovich (SZ) effect from the Advanced Atacama Cosmolo…
Illuminating Dark Matter Halo Density Profiles Without Subhaloes
Catherine E. Fielder, Yao-Yuan Mao, Andrew R. Zentner +3
Cold dark matter haloes consist of a relatively smooth dark matter component as well as a system of bound subhaloes. It is the prevailing practice to include all halo mass, includi…
CDIM: Cosmic Dawn Intensity Mapper Final Report
Asantha Cooray, Tzu-Ching Chang, Stephen Unwin +23
The Cosmic Dawn Intensity Mapper (CDIM) will transform our understanding of the era of reionization when the Universe formed the first stars and galaxies, and UV photons ionized th…
The impact of clustering and angular resolution on far-infrared and millimeter continuum observations
Matthieu Bethermin, Hao-Yi Wu, Guilaine Lagache +7
Follow-up observations at high-angular resolution of submillimeter galaxies showed that the single-dish sources are comprised of a blend of several galaxies. Consequently, number c…