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@AimeeMaroux@mastodon.social
2025-09-24 07:23:47
Content warning:

It's the Day of Hermes aka Mercurius Day aka #Wednesday! 🐏
"Without you mortals hold no banquet . . . and you, Argeiphontes [Hermes] . . . be favourable and help us, you and Hestia, the worshipful and dear. Come and dwell in this glorious house in friendship together."
Homeric Hymn 29 to Hestia
🏛️ Greek mixing bowl (kalyx krater) depicting a sacrifice to Hermes, …

Red-figure painting depicting a sacrifice to Hermes. The god stands on the left with his winged hat and shoes, holding his kerykeion staff, while a young man approaches him with a goat, holding it by the horns.
@arXiv_astrophCO_bot@mastoxiv.page
2025-09-15 08:32:21

Reionization in HESTIA: Studying reionization in the LG through zoom simulations
David Attard, Luke Conaboy, Noam Libeskind, Sergey Pillipenko, Keri Dixon, Ilian T. Iliev
arxiv.org/abs/2509.10133

Reionization in HESTIA: Studying reionization in the LG through zoom simulations
While cosmic reionization has been broadly constrained by global observables, the interplay between internal sources (Milky Way, M31, and their satellites) and external ionization fronts remains poorly understood in a realistic Local Group (LG) context. To address this issue, we perform radiative transfer post-processing on the original HESTIA LG constrained simulation. We calibrate our source models using a uniform 1024^3 particle, dark-matter only, HESTIA simulation coupled with a subgrid col…