SPLUS J142445. 34–254247.1: An r-process–enhanced, Actinide-boost, Extremely Metal-poor Star Observed with GHOST

VM Placco, F Almeida-Fernandes… - The Astrophysical …, 2023 - iopscience.iop.org
We report on a chemo-dynamical analysis of SPLUS J142445. 34− 254247.1 (SPLUS
J1424− 2542), an extremely metal-poor halo star enhanced in elements formed by the rapid …

The Fourth S-PLUS Data Release: 12-filter photometry covering~ 3000 square degrees in the southern hemisphere

FR Herpich, F Almeida-Fernandes… - Astronomy & …, 2024 - aanda.org
Context. The Southern Photometric Local Universe Survey (S-PLUS) is a project to map~
9300 sq deg of the sky using twelve bands (seven narrow and five broadbands) …

The S-PLUS Ultra-Short Survey: first data release

HD Perottoni, VM Placco, F Almeida-Fernandes… - Astronomy & …, 2024 - aanda.org
Context. This paper presents the first public data release of the S-PLUS Ultra-Short Survey
(USS), a photometric survey with short exposure times, covering approximately 9300 deg2 …

Fine structure of the age-chromospheric activity relation in solar-type stars: II. Hα line

PVS dos Santos, GFP de Mello… - Monthly Notices of …, 2024 - academic.oup.com
Excess chromospheric emissions within deep photospheric lines are effective proxies of
stellar magnetism for FGK stars. This emission decays with stellar age and is a potential …

Stellar Neutrino Emission across the Mass–Metallicity Plane

E Farag, FX Timmes, MT Chidester… - The Astrophysical …, 2023 - iopscience.iop.org
We explore neutrino emission from nonrotating, single-star models across six initial
metallicities and 70 initial masses from the zero-age main sequence to the final fate. Overall …

Multi-Messenger Signals From Stellar Evolution

E Farag - 2024 - search.proquest.com
Stars generate a variety of multi-messenger signals throughout their evolution. They radiate
photons from their stellar surface, neutrinos from their interior, and recentlydiscovered …