Tootfinder

This https://arxiv.org/abs/2502.17267 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_grqc_…

Global monopole in a Ricci-coupled Kalb-Ramond bumblebee gravity
In this paper, we investigate black hole solutions in Einstein-Kalb-Ramond (EKR) bumblebee gravity sourced by a global monopole characterized by the charge $η$. This modified theory of gravity possesses the notable feature of incorporating local Lorentz symmetry breaking (LSB) via a spontaneous symmetry-breaking mechanism. We solve the field equations for a static and spherically symmetric metric with the Kalb-Ramond (KR) field fixed at its VEV, thereby obtaining new black hole solutions. Thes…

This https://arxiv.org/abs/2505.13653 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

UGC 10043 in Depth: Dissecting the Polar Bulge and Subtle LSB Features
Galaxies with polar structures -- of which polar-ring galaxies (PRGs) are a prominent subclass -- contain components that are kinematically decoupled and highly inclined relative to the host galaxy's major axis. Modern deep optical surveys provide a powerful means of detecting low surface brightness (LSB) features around galaxies, offering critical insights into the formation and evolution of galaxies with polar structures. UGC 10043 is an edge-on galaxy notable for its prominent bulge, which e…

Correcting for the effects of the point spread function in intra-halo light measurements and application to deep Hyper Suprime-Cam data
L. P. Garate-Nu\~nez, A. S. G. Robotham, S. Bellstedt, L. J. M. Davies
https://arxiv.org/abs/2505.24395

Correcting for the effects of the point spread function in intra-halo light measurements and application to deep Hyper Suprime-Cam data
The intra-halo light (IHL) is the diffuse stellar component that surrounds galaxies, groups, and clusters. Its formation is intimately linked to the hierarchical assembly of the system, making it a key tracer of galaxy evolution. However, the low surface brightness (LSB) of the IHL makes it challenging to detect and also to distinguish from the point spread function (PSF) effect of the telescope. In this paper, we present two independent techniques that, when combined, provide a statistically r…