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Chandra Observations of the Planck ESZ Sample: A Re-Examination of Masses and Mass Proxies
Felipe Andrade-Santos, Gabriel W. Pratt, Jean-Baptiste Melin +14
Using Chandra observations, we derive the proxy and associated total mass measurement, , for 147 clusters with from the Planck Early Su…
Mapping Cosmic Dawn and Reionization: Challenges and Synergies
Marcelo A. Alvarez, Anastasia Fialkov, Paul La Plante +47
Cosmic dawn and the Epoch of Reionization (EoR) are among the least explored observational eras in cosmology: a time at which the first galaxies and supermassive black holes formed…
Cluster Cosmology Constraints from the 2500 deg SPT-SZ Survey: Inclusion of Weak Gravitational Lensing Data from Magellan and the Hubble Space Telescope
S. Bocquet, J. P. Dietrich, T. Schrabback +77
We derive cosmological constraints using a galaxy cluster sample selected from the 2500~deg SPT-SZ survey. The sample spans the redshift range and contains 343 c…
A Deep Learning Approach to Galaxy Cluster X-ray Masses
M. Ntampaka, J. ZuHone, D. Eisenstein +9
We present a machine-learning approach for estimating galaxy cluster masses from Chandra mock images. We utilize a Convolutional Neural Network (CNN), a deep machine learning tool…
Recovering galaxy cluster gas density profiles with XMM-Newton and Chandra
I. Bartalucci, M. Arnaud, G. W. Pratt +6
We examine the reconstruction of galaxy cluster radial density profiles obtained from Chandra and XMM X-ray observations, using high quality data for a sample of twelve objects cov…
Pressure profiles of distant galaxy clusters in the Planck catalog
H. Bourdin, P. Mazzotta, A. Kozmanyan +2
Successive releases of Planck data have demonstrated the strength of the Sunyaev--Zeldovich (SZ) effect in detecting hot baryons out to the galaxy cluster peripheries. To infer the…