Publication
A Catalog of 486 Barium Stars Identified in GALAH DR4
We present a catalog of 486 Ba stars identified in the GALAH DR4 survey using high-resolution spectra and precise abundance measurements. The sample was...
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PublicationA Morphokinematic Study of Galactic High-abundance Discrepancy Factor Planetary Nebulae Based on the VLT/UVES Deep SpectroscopyWe report detailed analyses of deep, high-resolution spectra of three Galactic planetary nebulae (PNe) with high abundance discrepancy factors (ADFs), Hf 2-2, M...
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PublicationAccurate Metallicities for Very Metal-poor Stars from the Ca II Infrared TripletThe Ca II H and K lines are among the few features available to infer the metallicity of extremely metal-poor stars from medium-resolution spectroscopy...
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NewsAn old problem about the measurement of the chemical composition of the universe has been resolvedResearch carried out by a scientific team from the University of Heidelberg (UH), the Instituto de Astrofísica de Canarias (IAC) and the National Autonomous...
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NewsAstronomers detect large amounts of oxygen in the atmosphere of a primitive starScientists from the Instituto de Astrofísica de Canarias (IAC), in collaboration with the University of Cambridge and the University of California San Diego...
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PublicationAtmospheric Parameters and Abundances of Cool Red Giant StarsUnderstanding the atmospheric parameters of stars on the top of the RGB is essential to reveal the chemical composition of the Milky Way, as they can be used to...
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PublicationBACCHUS Analysis of Weak Lines in APOGEE Spectra (BAWLAS)Elements with weak and blended spectral features in stellar spectra are challenging to measure and require specialized analysis methods to precisely measure...
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PublicationChemical Analysis of the Brightest Star of the Cetus II Ultrafaint Dwarf Galaxy CandidateWe present a detailed chemical abundance analysis of the brightest star in the ultrafaint dwarf (UFD) galaxy candidate Cetus II from high-resolution Magellan...
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PublicationChemical Cartography with APOGEE: Two-process Parameters and Residual Abundances for 288,789 Stars from Data Release 17Stellar abundance measurements are subject to systematic errors that induce extra scatter and artificial correlations in elemental abundance patterns. We derive...