205 citations · 615 across the 27 of their papers we have counts for
28 papers
The extreme Disturbed Galaxy Cluster Sample (eDGeS): Spectroscopy and Dynamical Analysis of the eROSITA-Selected Merging Galaxy Cluster Candidate 1eRASS J025859.4-193727
Anish S. Aradhey, Eleazar R. Carrasco, Alfredo Zenteno +7
Addressing open questions such as the effect of galaxy cluster mergers on the evolution of galaxies and the self-interaction cross-section of dark matter requires the construction…
Merging Galaxy Clusters and the Search for New Physics of Dark Matter: A Review
Rogério Monteiro-Oliveira
Merging galaxy clusters represent one of the most powerful macroscopic laboratories in the Universe for searching for new physics within the dark sector. High-velocity cosmic colli…
Simulation-Based Cosmological Mass Calibration of XXL Galaxy Clusters using HSC Weak Lensing
Sut-Ieng Tam, Keiichi Umetsu, Adam Amara +13
We present a cosmological analysis of the X-ray-selected galaxy cluster sample from the XXL survey, employing a simulation-based inference (SBI) framework to jointly constrain cosm…
The SRG/eROSITA All-Sky Survey. The Weak-Lensing Mass Calibration and the Stellar Mass-to-Halo Mass Relation from the Hyper Suprime-Cam Subaru Strategic Program
I-Non Chiu, Vittorio Ghirardini, Sebastian Grandis +23
We present the weak-lensing mass calibration and constrain the BCG (brightest cluster galaxy) stellar-mass-to-halo-mass-and-redshift () relation for a s…
eROSITA clusters dynamical state and their impact on the BCG luminosity
A. Zenteno, M. Kluge, R. Kharkrang +30
The Spectrum Roentgen Gamma/eROSITA first public release contains 12,247 clusters and groups. We use the offset between the Brightest Cluster Galaxy (BCG) and the X--ray peak (D$_{…
The SRG/eROSITA All-Sky Survey : Subaru/HSC-SSP weak-lensing mass measurements for the eRASS1 Galaxy Clusters
Nobuhiro Okabe, Thomas H. Reiprich, Sebastian Grandis +20
We performed individual weak-lensing (WL) mass measurements for 78 eROSITA's first All-Sky Survey (eRASS1) clusters in the footprint of Hyper Suprime-Cam Subaru Strategic Program (…
Miscentering of Optical Galaxy Clusters Based on Sunyaev-Zeldovich Counterparts
Jupiter Ding, Roohi Dalal, Tomomi Sunayama +7
The "miscentering effect," i.e., the offset between a galaxy cluster's optically-defined center and the center of its gravitational potential, is a significant systematic effect on…
No Evidence of a Dichotomy in the Elliptical Galaxy Population
Rogério Monteiro-Oliveira, Yen-Ting Lin, Wei-Huai Chen +3
The advent of large integral field spectroscopic surveys has found that elliptical galaxies (EGs) can be classified into two classes: the fast rotators (whose kinematics are domina…
Simulating the arrival of the southern substructure in the galaxy cluster Abell 1758
Rubens E. G. Machado, Ricardo C. Volert, Richards P. Albuquerque +2
Abell 1758 (z~0.278) is a galaxy cluster composed of two structures: A1758N and A1758S, separated by ~2.2 Mpc. The northern cluster is itself a dissociative merging cluster that ha…
Unraveling the collision scenario of the dissociative galaxy cluster Abell 56 through hydrodynamic simulations
Richards P. Albuquerque, Rubens E. G. Machado, Rogério Monteiro-Oliveira
In galaxy cluster collisions, the gas can be separated from dark matter halos. Abell~56 displays signatures of a dissociative bullet-like merger with a possible high inclination an…
A Systematic Search of Distant Superclusters with the Subaru Hyper Suprime-Cam Survey
Tsung-Chi Chen, Yen-Ting Lin, Hsi-Yu Schive +13
Superclusters, encompassing environments across a wide range of overdensities, can be regarded as unique laboratories for studying galaxy evolution. Although numerous supercluster…
A major galaxy cluster merger caught by eROSITA: weak lensing mass distribution and kinematic description
Rogério Monteiro-Oliveira
We present the weak lensing mass distribution of a triple merging cluster candidate at belonging to a supercluster recently discovered during the eROSITA P…
Unveiling the internal structure of Hercules supercluster
R. Monteiro-Oliveira, D. F. Morell, V. M. Sampaio +2
We have investigated the structure of the Hercules supercluster (SCL160) based on data originally extracted from the Sloan Digital Sky Survey SDSS-DR7. We have traced the mass dist…
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…
Probing Saraswati's heart: evaluating the dynamical state of the massive galaxy cluster A2631 through a comprehensive weak-lensing and dynamical analysis
R. Monteiro-Oliveira, A. C. Soja, A. L. B. Ribeiro +4
In this work, we investigate the dynamical state of the galaxy cluster Abell 2631, a massive structure located at the core of the Saraswati supercluster. To do this, we first solve…
Simulations of the merging galaxy cluster Abell 2034: what determines the level of separation between gas and dark matter
Micheli T. Moura, Rubens E. G. Machado, Rogério Monteiro-Oliveira
Cluster mergers are an important laboratory for studying the behaviour of dark matter (DM) and intracluster gas. There are dissociative collisions that can separate the intracluste…
The miniJPAS survey: a preview of the Universe in 56 colours
S. Bonoli, A. Marín-Franch, J. Varela +166
The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) will soon start to scan thousands of square degrees of the northern extragalactic sky with a unique…
Simulations of gas sloshing induced by a newly discovered gas poor substructure in galaxy cluster Abell 1644
L. Doubrawa, R. E. G. Machado, T. F. Laganá +3
Collision events lead to peculiar morphologies in the intracluster gas of galaxies clusters. That seems to be the case of Abell 1644, a nearby galaxy cluster, composed of three mai…
Revising the merger scenario of the galaxy cluster Abell 1644: a new gas poor structure discovered by weak gravitational lensing
R. Monteiro-Oliveira, L. Doubrawa, R. E. G. Machado +3
The galaxy cluster Abell 1644 () is known for its remarkable spiral-like X-ray emission. It was previously identified as a bimodal system, comprising the subclusters…
Passive spirals and shock influenced star formation in the merging cluster A3376
Kshitija Kelkar, K. S. Dwarakanath, Bianca M. Poggianti +8
We present a detailed analysis of star formation properties of galaxies in a nearby () young (0.6 Gyr) post-merger cluster system A3376, with a moderate shock fro…
The Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies and redshifts with 12 optical filters
C. Mendes de Oliveira, T. Ribeiro, W. Schoenell +142
The Southern Photometric Local Universe Survey (S-PLUS) is imaging ~9300 deg^2 of the celestial sphere in twelve optical bands using a dedicated 0.8 m robotic telescope, the T80-So…
A combined X-ray, optical and radio view of the merging galaxy cluster MACS J0417.5-1154
M. B. Pandge, R. Monteiro-Oliveira, J. Bagchi +3
We present a comprehensive multi-wavelength analysis of the merging galaxy cluster MACS~J0417.5-1154 at a redshift of , using available images red obtained with \chandra\ i…
New insights on the dissociative merging galaxy cluster Abell 2034
R. Monteiro-Oliveira, E. S. Cypriano, A. Z. Vitorelli +4
We present here new insights about the merging galaxy cluster Abell 2034 () based on a combined weak lensing and dynamical analysis. From our deep Subaru im…
J-PLUS: On the identification of new cluster members in the double galaxy cluster A2589 & A2593 using PDFs
A. Molino, M. V. Costa-Duarte, C. Mendes de Oliveira +28
We aim to use multi-band imaging from the Phase-3 Verification Data of the J-PLUS survey to derive accurate photometric redshifts (photo-z) and look for potential new members in th…