Tootfinder

Direct Evidence of a Major Merger in the Perseus Cluster
Kim HyeongHan, M. James Jee, Wonki Lee, John ZuHone, Irina Zhuravleva, Wooseok Kang, Ho Seong Hwang
https://arxiv.org/abs/2405.00115

Direct Evidence of a Major Merger in the Perseus Cluster
Although the Perseus cluster has often been regarded as an archetypical relaxed galaxy cluster, several lines of evidence including cold fronts, asymmetric plasma morphology, filamentary galaxy distribution, etc., provide a conflicting view of its dynamical state, suggesting that the cluster might have experienced a major merger. However, the absence of a clear merging companion identified to date hampers our understanding of the evolutionary track of the Perseus cluster consistent with these o…

This https://arxiv.org/abs/2311.06334 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

X-ray-inferred kinematics of the core ICM in Perseus-like clusters: Insights from the TNG-Cluster simulation
The intracluster medium (ICM) of galaxy clusters encodes the impact of the physical processes that shape these massive halos, including feedback from central supermassive black holes (SMBHs). In this study, we examine the gas thermodynamics, kinematics, and the effects of SMBH feedback on the core of Perseus-like galaxy clusters with a new simulation suite: TNG-Cluster. We first make a selection of simulated clusters similar to Perseus based on the total mass and inner ICM properties, such as t…

[DC] bRight XR: How to train designers to keep on the bright side?
Romain Rouyer (UPCit\'e, IDMC, PErSEUs), David Bourguignon (PErSEUs), St\'ephanie Fleck (PErSEUs)
https://arxiv.org/abs/2404.11142

[DC] bRight XR: How to train designers to keep on the bright side?
This research project aims to promote ethical principles among designers engaged in adaptive-XR by providing tools for self-assessment. We introduce a Design-Based Research (DBR) methodology to build bRight-XR, a framework including a heuristic evaluation matrix and based on learning theory.

A Deep Redshift Survey of the Perseus Cluster: Spatial Distribution and Kinematics of Galaxies
Wooseok Kang, Ho Seong Hwang, Hyunmi Song, Changbom Park, Narae Hwang, Byeong-Gon Park
https://arxiv.org/abs/2403.19307

A Deep Redshift Survey of the Perseus Cluster: Spatial Distribution and Kinematics of Galaxies
We study the global kinematics of the Perseus galaxy cluster (Abell 426) at redshift z = 0.017 using a large sample of galaxies from our new MMT/Hectospec spectroscopic observation for this cluster. The sample includes 1447 galaxies with measured redshifts within 60' from the cluster center (1148 from this MMT/Hectospec program and 299 from the literature). The resulting spectroscopic completeness is 67% at r-band apparent magnitude $r_{\rm{Petro, 0}}\leq 18.0$ within 60' from the cluster cente…

This https://arxiv.org/abs/2311.16247 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

High-Spectral Resolution Observations of the Optical Filamentary Nebula in NGC 1275
We present new high-spectral resolution observations (R = $λ/Δλ$ = 7000) of the filamentary nebula surrounding NGC 1275, the central galaxy of the Perseus cluster. These observations have been obtained with SITELLE, an imaging Fourier transform spectrometer installed on the Canada-France-Hawai Telescope (CFHT) with a field of view of $11\text{ arcmin }\times 11 \text{ arcmin}$ encapsulating the entire filamentary structure of ionised gas despite its large size of $80 \text{ kpc}\times50 \tex…