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- Center for Astrophysics Harvard & SmithsonianUS436 papers
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21 papers · 2 filters
Unveiling the nature of 12 new low-luminosity Galactic Globular Cluster Candidates
E. R. Garro, D. Minniti, B. Alessi +10
The Galactic globular cluster system is incomplete, especially in the low latitude regions of the Galactic bulge and disk. We report the physical characterization of twelve star cl…
Clash of Titans: a MUSE dynamical study of the extreme cluster merger SPT-CL J0307-6225
D. Hernández-Lang, A. Zenteno, A. Diaz-Ocampo +23
We present VLT/MUSE spectroscopy, along with archival Gemini/GMOS spectroscopy, Magellan/Megacam imaging, and Chandra X-ray emission for SPT-CL J0305-6225, a z=0.58 major merging g…
From the Fire: A Deeper Look at the Phoenix Stream
K. Tavangar, P. Ferguson, N. Shipp +64
We use six years of data from the Dark Energy Survey to perform a detailed photometric characterization of the Phoenix stellar stream, a 15-degree long, thin, dynamically cold, low…
Variable stars in Local Group Galaxies -- V. The fast and early evolution of the low-mass Eridanus II dSph galaxy
C. E. Martínez-Vázquez, M. Monelli, S. Cassisi +18
We present a detailed study of the variable star population of Eridanus II (Eri II), an ultra-faint dwarf galaxy that lies close to the Milky Way virial radius. We analyze multi-ep…
Tracking down the origin of superbubbles and supergiant shells in the Magellanic Clouds with Minkowski tensor analysis
Caroline Collischon, Manami Sasaki, Klaus Mecke +2
We develop an automatic bubble-recognition routine based on Minkowski functionals (MF) and tensors (MT) to detect bubble-like interstellar structures in optical emission line image…
The Observed Evolution of the Stellar Mass - Halo Mass Relation for Brightest Central Galaxies
Jesse B. Golden-Marx, C. J. Miller, Y. Zhang +73
We quantify evolution in the cluster scale stellar mass - halo mass (SMHM) relation's parameters using 2323 clusters and brightest central galaxies (BCGs) over the redshift range $…