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On Valency

published · living versions
W_pju4z2k3·v1 · currentpublished
Chemical abundances of a Galactic Centre ejecta discovered in DESI
with Manuel Cavieres, Darío González Picos, Rogelio Albarracín, Sergey E. Koposov +7
1 version

Preprints & journals

89 papers in the corpus · 1998–2026
X-shooter spectroscopy of giant stars in the nuclear star cluster2606.22893v1 · L. Origlia, C. Fanelli, A. Mucciarelli et al.2026 · 0 citationsarXiv
When bars and spirals conspire: recurrent build-up of the nuclear regions of disc galaxies2606.23014v1 · Tristan Boin, Sergey Khoperskov, Paola Di Matteo et al.2026 · 0 citationsarXiv
Reassessing the low-α\alpha massive sequence stars in Gaia RVS2606.11165v1 · G. Nandakumar, G. Kordopatis, M. Schultheis et al.2026 · 0 citationsarXiv
Supergiant GCIRS 22 in the Milky Way Nuclear Star Cluster: Revised alpha abundances2509.20075v1 · B. Thorsbro, S. Khalidy, R. M. Rich et al.2025 · 0 citationsA&A 704, A62 (2025)
Chemical Abundances in the Milky Way's Nuclear Stellar Disc2505.15924v1 · N. Ryde, G. Nandakumar, R. Albarracin et al.2025 · 4 citationsA&A 699, A176 (2025)
The First Chemical Census the Milky Way's Nuclear Star Cluster2502.17756v1 · Govind Nandakumar, Nils Ryde, Mathias Schultheis et al.2025 · 0 citationsarXiv
Abundance ties: Nephele and the globular cluster population accreted with ω\omega Cen. Based on APOGEE DR17 and Gaia EDR32410.22479v2 · Giulia Pagnini, Paola Di Matteo, Misha Haywood et al.2024 · 15 citationsA&A 693, A155 (2025)
Metallicity-dependent kinematics and orbits in the Milky Way's nuclear stellar disc2409.15279v1 · F. Nogueras-Lara, N. Nieuwmunster, M. Schultheis et al.2024 · 3 citationsarXiv
M giants with IGRINS IV. Identification and characterization of a near-IR line of the s-element Barium2408.12971v1 · G. Nandakumar, N. Ryde, H. Hartman et al.2024 · 3 citationsA&A 690, A226 (2024)
A Wide Metallicity Range for Gyr-old Stars in the Nuclear Star Cluster2404.19628v1 · Brian Thorsbro, Rebecca Forsberg, Georges Kordopatis et al.2024 · 6 citationsApJL 958 L18 (2023)
M Giants with IGRINS II. Chemical Evolution of Fluorine at High Metallicities2306.08446v1 · G. Nandakumar, N. Ryde, G. Mace2023 · 16 citationsA&A 676, A79 (2023)
M giants with IGRINS I. Stellar parameters and α\alpha-abundance trends of the solar neighborhood population2305.00486v1 · G. Nandakumar, N. Ryde, L. Casagrande et al.2023 · 18 citationsA&A 675, A23 (2023)
Detailed α\alpha abundance trends in the inner Galactic bulge2301.10271v1 · N. Nieuwmunster, G. Nandakumar, E. Spitoni et al.2023 · 13 citationsA&A 671, A94 (2023)
The first r-process enhanced star confirmed to be a member of the Galactic bulge2210.05688v1 · R. Forsberg, R. M. Rich, N. Nieuwmunster et al.2022 · 3 citationsA&A 669, A17 (2023)
The Galactic Chemical Evolution of phosphorus observed with IGRINS2210.04940v1 · G. Nandakumar, N. Ryde, M. Montelius et al.2022 · 28 citationsA&A 668, A88 (2022)
Chemical Evolution of Ytterbium in the Galactic Disk2202.00691v1 · M. Montelius, R. Forsberg, N. Ryde et al.2022 · 20 citationsarXiv
Age and helium content of the open cluster NGC 6791 from multiple eclipsing binary members. III. Constraints from a subgiant2104.14330v1 · K. Brogaard, F. Grundahl, E. L. Sandquist et al.2021 · 26 citationsA&A 649, A178 (2021)
Fluorine in the solar neighborhood: modelling the Galactic thick and thin discs2008.00812v1 · Valeria Grisoni, Donatella Romano, Emanuele Spitoni et al.2020 · 33 citationsarXiv
VINTERGATAN II: the history of the Milky Way told by its mergers2006.06011v3 · Florent Renaud, Oscar Agertz, Justin I. Read et al.2020 · 79 citationsarXiv
VINTERGATAN III: how to reset the metallicity of the Milky Way2006.06012v3 · Florent Renaud, Oscar Agertz, Eric P. Andersson et al.2020 · 60 citationsarXiv
SOFIA-EXES Observations of Betelgeuse during the Great Dimming of 2019/20202003.13884v1 · Graham M. Harper, Curtis N. DeWitt, Matthew J. Richter et al.2020 · 16 citationsarXiv
Fluorine in the solar neighbourhood: the need for several cosmic sources2003.04656v1 · Nils Ryde, Henrik Jonsson, Gregory Mace et al.2020 · 33 citationsarXiv
Modelling the chemical evolution of Zr, La, Ce and Eu in the Galactic discs and bulge1911.04271v2 · V. Grisoni, G. Cescutti, F. Matteucci et al.2019 · 30 citationsarXiv
Abundances of disk and bulge giants from high-resolution optical spectra -- IV. Zr, La, Ce, Eu1909.10535v1 · Rebecca Forsberg, Henrik Jonsson, Nils Ryde et al.2019 · 45 citationsA&A 631, A113 (2019)
The origin of stellar populations in the Galactic bulge from chemical abundances1903.12440v2 · Francesca Matteucci, Valeria Grisoni, Emanuele Spitoni et al.2019 · 55 citationsarXiv
4MOST: Project overview and information for the First Call for Proposals1903.02464v2 · R.S. de Jong, O. Agertz, A. Agudo Berbel et al.2019 · 406 citationsThe Messenger, 2019, 175, 3
4MOST Consortium Survey 3: Milky Way Disc and Bulge Low-Resolution Survey (4MIDABLE-LR)1903.02469v2 · C. Chiappini, I. Minchev, E. Starkenburg et al.2019 · 27 citationsThe Messenger, 2019, 175, 30
4MOST Consortium Survey 4: Milky Way Disc and Bulge High-Resolution Survey (4MIDABLE-HR)1903.02470v2 · T. Bensby, M. Bergemann, J. Rybizki et al.2019 · 16 citationsThe Messenger, 2019, 175, 35
The blue straggler V106 in NGC6791: A prototype progenitor of old single giants masquerading as young1809.00705v1 · K. Brogaard, S. M. Christiansen, F. Grundahl et al.2018 · 25 citationsarXiv
Evidence against anomalous compositions for giants in the Galactic Nuclear Star Cluster1808.07489v1 · B. Thorsbro, N. Ryde, M. Schultheis et al.2018 · 31 citationsarXiv
Chemical Characterization of the Inner Galactic bulge:North-South Symmetry1805.05037v1 · G. Nandakumar, N. Ryde, M. Schultheis et al.2018 · 24 citationsarXiv
Fluorine in the Solar Neighborhood: Chemical Evolution Models1711.09671v1 · E. Spitoni, F. Matteucci, H. Jonsson et al.2017 · 40 citationsA&A 612, A16 (2018)
Near-infrared spectroscopic observations of massive young stellar object candidates in the Central Molecular Zone1711.04553v1 · G. Nandakumar, M. Schultheis, A. Feldmeier-Krause et al.2017 · 21 citationsarXiv
Detailed near-IR stellar abundances of red giants in the Inner Bulge and Galactic Center1708.09195v1 · N. Ryde, R. M. Rich, B. Thorsbro et al.2017 · 0 citationsarXiv
Fluorine in the Solar neighborhood: No evidence for the neutrino process1612.04384v2 · H. Jonsson, N. Ryde, E. Spitoni et al.2016 · 41 citationsarXiv
Abundances of disk and bulge giants from hi-res optical spectra: II. O, Mg, Ca, and Ti in the bulge sample1611.08612v1 · H. Jonsson, N. Ryde, M. Schultheis et al.2016 · 33 citationsA&A 598, A101 (2017)
Career total: 211 works. 89 are in this corpus.Showing the 50 most recent.

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