Tootfinder

This https://arxiv.org/abs/2504.07074 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

The Lyman-alpha and Continuum Origins Survey II: the connection between the escape of ionizing radiation and Lyman-alpha halos in star-forming galaxies
One of the current challenges in galaxy evolution studies is to establish the mechanisms that govern the escape of ionizing radiation from galaxies. In this work, we investigate the connection between Lyman Continuum (LyC) escape and the conditions of the Circumgalactic Medium (CGM), as probed by Ly$α$ halos (LAHs) in emission. We use Ly$α$ and UV continuum imaging data from the Lyman alpha and Continuum Origins Survey (LaCOS), targeting 42 nearby ($z \simeq 0.3$), star-forming galaxies with …

X-ray emission signatures of galactic feedback in the hot circumgalactic medium: predictions from cosmological hydrodynamical simulations
Emily M. Silich, John ZuHone, Elena Bellomi, Cameron Hummels, Benjamin Oppenheimer, Philip F. Hopkins, Cassandra Lochhaas, Sam B. Ponnada, Alexey Vikhlinin
https://arxiv.org/abs/2506.17440

X-ray emission signatures of galactic feedback in the hot circumgalactic medium: predictions from cosmological hydrodynamical simulations
Little is currently known about the physical properties of the hot circumgalactic medium (CGM) surrounding massive galaxies. Next-generation X-ray observatories will enable detailed studies of the hot CGM in emission. To support these future efforts, we make predictions of the X-ray emission from the hot CGM using a sample of 28 $\sim$Milky Way-mass disk galaxies at $z=0$ from seven cosmological hydrodynamical simulation suites incorporating a wide range of galactic feedback prescriptions. The …

Eutelsat, concurrent européen de Starlink, prépare une augmentation de capital qui fera de l’Etat français son premier actionnaire
https://www.lemonde.fr/economie/…

Eutelsat, concurrent européen de Starlink, prépare une augmentation de capital qui fera de l’Etat français son premier actionnaire
Trois autres actionnaires, l’armateur français CMA CGM, l’opérateur indien Bharti Airtel ainsi que le Fonds stratégique de participations sont aussi impliqués dans le projet.

Maximal Speed of Glucose Change Significantly Distinguishes Prediabetes from Diabetes
Dandan Wang, Xiaoyan Chen, Jingxiang Lin, Teng Zhang, Lianyi Huang, Dongliang Leng, Xiaohua Douglas Zhang, Gang Li
https://arxiv.org/abs/2506.12567

Maximal Speed of Glucose Change Significantly Distinguishes Prediabetes from Diabetes
Rapid changes in blood glucose levels can have severe and immediate health consequences, leading to the need to develop indices for assessing these rapid changes based on continuous glucose monitoring (CGM) data. We proposed a CGM index, maxSpeed, that represents the maximum of speed of glucose change (SGC) in a subject, respectively, and conducted a clinical study to investigate this index along with SGC mean (meanSpeed) and SGC standard deviation (sdSpeed), coefficient of variation (CV), stan…

Project AMIGA: The Inner Circumgalactic Medium of Andromeda from Thick Disk to Halo
Nicolas Lehner, J. Christopher Howk, Lucy Collins, Sameer, Bart P. Wakker, Ramona Augustin, Kathleen A. Barger, Michelle A. Berg, Rongmon Bordoloi, Thomas M. Brown, Frances H. Cashman, Claude-Andr\'e Faucher-Gigu\`ere, Andrew J. Fox, David M. French, Karoline M. Gilbert, Puragra Guhathakurta, John M. O'Meara, Brian W. O'Shea, Molly S. Peeples, D. J. Pisano, J. Xavier Prochaska, Jonathan Ste…

Project AMIGA: The Inner Circumgalactic Medium of Andromeda from Thick Disk to Halo
The inner circumgalactic medium (CGM) of galaxies, where disk and halo processes intersect, remains poorly characterized despite its critical role in regulating galaxy evolution. We present results from Project AMIGA Insider, mapping Andromeda's (M31) inner CGM within 0.25 R_vir (~75 kpc) using 11 QSO sightlines, bringing our total sample to 54 sightlines from the disk to 2 R_vir. We detect a clear transition between M31's thick disk and CGM at R < 30 kpc, where low/intermediate ions show thick…

The role of magnetic fields in ram pressure stripping of satellite galaxies in the circumgalactic medium around massive galaxies
Thomas A. Rintoul (Cardiff), Freeke van de Voort (Cardiff), Andrew T. Hannington (Cardiff), R\"udiger Pakmor (MPA), Rebekka Bieri (Zurich), Maria Werhahn (MPA), Rosie Y. Talbot (MPA)
https://arxiv…

The role of magnetic fields in ram pressure stripping of satellite galaxies in the circumgalactic medium around massive galaxies
The presence of magnetic fields in galaxies and their haloes could have important consequences for satellite galaxies moving through the magnetised circumgalactic medium (CGM) of their host. We therefore study the effect of magnetic fields on ram pressure stripping of satellites in the CGM of massive galaxies. We use cosmological `zoom-in' simulations of three massive galaxy haloes ($M_{\rm{200c}} = 10^{12.5-13}$M$_\odot$), each simulated with and without magnetic fields. The fraction of gas re…

Dynamics of Multiphase Carbon in the Turbulent Circumgalactic Medium
Yue Hu, Evan Scannapieco, Edward Buie II, Siyao Xu, Samuel T Sebastian, Om Biswal
https://arxiv.org/abs/2506.17554

Dynamics of Multiphase Carbon in the Turbulent Circumgalactic Medium
The circumgalactic medium (CGM) plays a crucial role in regulating material and energy exchange between galaxies and their environments. The best means of observing this medium is through absorption-line spectroscopy, but we have yet to develop a consistent physical model that fully explains these results. Here we investigate the impact of turbulence and non-equilibrium chemistry on the properties of the CGM, using three-dimensional hydrodynamic simulations that include the impact of an ionizin…

This https://arxiv.org/abs/2403.00909 has been replaced.
link: https://scholar.google.com/scholar?q=a

Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Resolving the Hot and Ionized Universe through the Sunyaev-Zeldovich effect
An omnipresent feature of the multi-phase ``cosmic web'' is that warm/hot (>$10^5$ K) ionized gas pervades it. This gas constitutes a relevant contribution to the overall universal matter budget across multiple scales, from the several tens of Mpc-scale IGM filaments, to the Mpc ICM, all the way down to the CGM surrounding individual galaxies from ~1 kpc up to their respective virial radii (~100 kpc). The study of the hot baryonic component of cosmic matter density represents a powerful means f…

Impact of the large-scale cosmic web on the X-ray emitting circumgalactic medium
Soumya Shreeram, Daniela Gal\'arraga-Espinosa, Johan Comparat, Andrea Merloni, Daisuke Nagai, C\'eline Peroux, Ilaria Marini, C\'eline Gouin, Kirpal Nandra, Yi Zhang, Gabriele Ponti, Anna Olechowska
https://arxiv.org/abs/2506.17222

Impact of the large-scale cosmic web on the X-ray emitting circumgalactic medium
The hot circumgalactic medium (CGM), probed by X-ray observations, plays a central role in understanding gas flows that drive a galaxy's evolution. While CGM properties have been widely studied, the influence of a galaxy's large-scale cosmic environment on the hot gas content remains less explored. We investigate how the large-scale cosmic web affects the X-ray surface brightness (XSB) profiles of galaxies in the context of cosmological simulations. We use our novel IllustrisTNG-based lightcone…

Characterizing gas flows through observations of the disk-CGM interface with the HWO
Sanchayeeta Borthakur, Joseph N. Burchett, Frances Cashman, Andrew J. Fox, Yong Zheng, David M. French, Rongmon Bordoloi, Brad Koplitz
https://arxiv.org/abs/2506.10517

Characterizing gas flows through observations of the disk-CGM interface with the HWO
How gas gets into, through, and out of galaxies is critical to understanding galactic ecosystems. The disk-CGM interface region is uniquely suited for studying processes that drive gas flows. Matter and energy that enter and leave a galaxy pass through this region; however, the precise pathways are yet to be explored. In this paper, we discuss future observations that will facilitate the discovery of the gas flow pathways in galaxies and the telescope parameters necessary for making those obser…

This https://arxiv.org/abs/2409.10397 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

Quantifying Observational Projection Effects with a Simulation-based hot CGM model
The hot phase of the circumgalactic medium (CGM) allows us to probe the inflow and outflow of gas within a galaxy, which is responsible for dictating the evolution of the galaxy. Studying the hot CGM sheds light on a better understanding of gas physics, which is crucial to inform and constrain simulation models. With the recent advances in observational measurements probing the hot CGM in X-rays and tSZ, we have a new avenue for widening our knowledge of gas physics and feedback by exploiting t…

The hot circumgalactic medium in stacked X-rays: observations vs simulations
Skylar Grayson, Evan Scannapieco, Johan Comparat, John A. ZuHone, Yi Zhang, Soumya Shreeram, Marcus Bruggen, Esra Bulbul
https://arxiv.org/abs/2506.09123

The hot circumgalactic medium in stacked X-rays: observations vs simulations
Current cosmological simulations rely on active galactic nuclei (AGN) feedback to quench star formation and match observed stellar mass distributions, but models for AGN feedback are poorly constrained. The circumgalactic medium (CGM) provides a helpful laboratory to study this process, as its metallicity, temperature, and density distributions are directly impacted by AGN. Recent observations from the eROSITA instrument provide constraints on these distributions through measurements of extende…

This https://arxiv.org/abs/2505.08861 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

Marvelous Metals: Surveying the Circumgalactic Medium of Simulated Dwarf Galaxies
Dwarf galaxies are uniquely sensitive to energetic feedback processes and are known to experience substantial mass and metal loss from their disk. Here, we investigate the circumgalactic medium (CGM) of 64 isolated dwarf galaxies ($6.0<$log(M$_*/M_{\odot}$)$<9.5$) at $z=0$ from the Marvel-ous Dwarfs and Marvelous Massive Dwarfs hydrodynamic simulations. Our galaxies produce column densities broadly consistent with current observations. We investigate these column densities in the context of mas…