HJ
Henrik Jonsson
astro-ph.GAastro-ph.SRastro-ph.IMastro-ph.EPastro-ph.CO
On Valency
published · living versionsW_tct389yc·v1 · currentpublished
The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra
with Romina Ahumada, Carlos Allende Prieto, Andres Almeida, Friedrich Anders +309
1 version
Preprints & journals
72 papers in the corpus · 2014–2026Radial abundance gradients of 18 elements in Galactic open clusters from infrared MWM spectra A detailed analysis of 655 giants in 133 clusters2608.02563v1 · S. Bijavara Seshashayana, H. Jonsson, V. D'Orazi et al.2026 · 0 citationsAstronomy and Astrophysics, 2026
Stellar Population Astrophysics (SPA) with the TNG. Beyond the iron peak: Galactic evolution of molybdenum, ruthenium and zirconium through open clusters2607.26347v1 · Natalia Alvarez-Baena, Valentina D'Orazi, Christopher Sneden et al.2026 · 0 citationsarXiv
PySME v1.0: improved modelling of stellar spectra for survey-scale applications2605.04007v2 · Mingjie Jian, Nikolai Piskunov, Jeff Valenti et al.2026 · 1 citationarXiv
Chemical radial gradients for the bulge-bar stellar populations from the APOGEE survey2603.12070v1 · J. V. Sales-Silva, K. Cunha, V. V. Smith et al.2026 · 1 citationarXiv
Classical Cepheids in the Galactic thin disk I. Abundance gradients via non-local thermodynamic equilibrium spectral analysis2511.22491v2 · Antonino Nunnari, Valentina D'Orazi, Giuliana Fiorentino et al.2025 · 0 citationsarXiv
A Galactic Self-Portrait: Density Structure and Integrated Properties of the Milky Way Disk2507.17629v2 · Julie Imig, Jon A. Holtzman, Gail Zasowski et al.2025 · 7 citationsApJ 990 203 (2025)
Rubidium Abundances in Cool Giants from High-Resolution H-band Spectra: A New Diagnostic for Galactic Chemical Evolution2506.21332v1 · Nils Ryde, Jess Kocher, Govind Nandakumar et al.2025 · 0 citationsarXiv
The elderly among the oldest: new evidence for extremely metal-poor RR Lyrae stars2501.05807v1 · Valentina D'Orazi, Vittorio F. Braga, Giuseppe Bono et al.2025 · 5 citationsarXiv
APOKASC-3: The Third Joint Spectroscopic and Asteroseismic catalog for Evolved Stars in the Kepler Fields2410.00102v1 · Marc H. Pinsonneault, Joel C. Zinn, Jamie Tayar et al.2024 · 73 citationsThe Astrophysical Journal Supplement Series, Volume 276, Issue 2, id.69, 35 pp. (2025)
Carbon enrichment in APOGEE disk stars as evidence of mass transfer in binaries2407.18130v1 · Steve Foster, Ricardo P. Schiavon, Denise B. de Castro et al.2024 · 5 citationsarXiv
Exploring fluorine chemical evolution in the Galactic disk: the open cluster perspective2407.10229v1 · Shilpa Bijavara Seshashayana, Henrik Jonsson, Valentina D'Orazi et al.2024 · 8 citationsA&A 689, A120 (2024)
A perspective on the Milky Way Bulge-Bar as seen from the neutron-capture elements Cerium and Neodymium with APOGEE2402.14898v2 · J. V. Sales-Silva, K. Cunha, V. V. Smith et al.2024 · 9 citationsarXiv
Stellar Population Astrophysics (SPA) with TNG, Fluorine abundances in seven open clusters2402.09058v1 · Shilpa Bijavara Seshashayana, Henrik Jonsson, Valentina D'Orazi et al.2024 · 0 citationsarXiv
M Giants with IGRINS III. Abundance Trends for 21 Elements in the Solar Neighborhood from High-Resolution, Near-Infrared Spectra2401.03793v1 · G. Nandakumar, N. Ryde, R. Forsberg et al.2024 · 0 citationsarXiv
The APOGEE Value Added Catalogue of Galactic globular cluster stars2310.07764v1 · Ricardo P. Schiavon, Sian G. Phillips, Natalie Myers et al.2023 · 55 citationsarXiv
Chemical abundances of the young inner-disk open cluster NGC 6705 observed by APOGEE: sodium-rich and not -enhanced2309.10778v1 · V. Loaiza-Tacuri, K. Cunha, D. Souto et al.2023 · 8 citationsarXiv
Oxygen, sulfur, and iron radial abundance gradients of classical Cepheids across the Galactic thin disk2308.01928v1 · R. da Silva, V. D'Orazi, M. Palla et al.2023 · 32 citationsA&A 678, A195 (2023)
A Tale of Two Disks: Mapping the Milky Way with the Final Data Release of APOGEE2307.13887v1 · Julie Imig, Cathryn Price, Jon A. Holtzman et al.2023 · 79 citationsApJ 954 124 (2023)
Chemical clocks and their time zones: understanding the [s/Mg]--age relation with birth radii2307.11159v1 · Bridget Ratcliffe, Ivan Minchev, Gabriele Cescutti et al.2023 · 27 citationsarXiv
Stellar Characterization and Radius Inflation of Hyades M Dwarf Stars From the APOGEE Survey2305.07065v1 · F'abio Wanderley, Katia Cunha, Diogo Souto et al.2023 · 19 citationsarXiv
The APO-K2 Catalog. I. 7,673 Red Giants with Fundamental Stellar Parameters from APOGEE DR17 Spectroscopy and K2-GAP Asteroseismology2304.10654v1 · Jessica Schonhut-Stasik, Joel C. Zinn, Keivan G. Stassun et al.2023 · 2 citationsarXiv
A Comparative Analysis of the Chemical Compositions of Gaia-Enceladus/Sausage and Milky Way Satellites using APOGEE2301.01302v1 · Laura Fernandes, Andrew C. Mason, Danny Horta et al.2023 · 41 citationsarXiv
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)
The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products2208.05432v1 · G. Gilmore, S. Randich, C. C. Worley et al.2022 · 136 citationsA&A 666, A120 (2022)
BACCHUS Analysis of Weak Lines in APOGEE Spectra (BAWLAS)2208.00071v1 · Christian R. Hayes, Thomas Masseron, Jennifer Sobeck et al.2022 · 55 citationsarXiv
Abundances of disk and bulge giants from high-resolution optical spectra V. Molybdenum -- the p-process element2206.13575v1 · Rebecca Forsberg, Nils Ryde, Henrik Jonsson et al.2022 · 7 citationsarXiv
The Open Cluster Chemical Abundances and Mapping Survey: VI. Galactic Chemical Gradient Analysis from APOGEE DR172206.13650v1 · Natalie Myers, John Donor, Taylor Spoo et al.2022 · 74 citationsarXiv
The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy2206.02901v1 · S. Randich, G. Gilmore, L. Magrini et al.2022 · 189 citationsarXiv
The chemical characterisation of halo substructure in the Milky Way based on APOGEE2204.04233v2 · Danny Horta, Ricardo P. Schiavon, J. Ted Mackereth et al.2022 · 144 citationsarXiv
The Open Cluster Chemical Abundances and Mapping Survey: VII. APOGEE DR17 [C/N]-Age Calibration2203.05463v1 · Taylor Spoo, Jamie Tayar, Peter M. Frinchaboy et al.2022 · 26 citationsarXiv
Chemical Evolution of Ytterbium in the Galactic Disk2202.00691v1 · M. Montelius, R. Forsberg, N. Ryde et al.2022 · 20 citationsarXiv
Detailed Chemical Abundances for a Benchmark Sample of M Dwarfs from the APOGEE Survey2201.00891v1 · Diogo Souto, Katia Cunha, Verne V. Smith et al.2022 · 47 citationsarXiv
The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data2112.02026v2 · Abdurro'uf, Katherine Accetta, Conny Aerts et al.2021 · 1,291 citationsarXiv
APOGEE Detection of N-rich stars in the tidal tails of Palomar 52112.02117v1 · Sian G. Phillips, Ricardo P. Schiavon, J. Ted Mackereth et al.2021 · 11 citationsarXiv
Exploring the s-process history in the Galactic disk: Cerium abundances and gradients in Open Clusters from the OCCAM/APOGEE sample2112.02196v2 · J. V. Sales-Silva, S. Daflon, K. Cunha et al.2021 · 35 citationsarXiv
The Influence of 10 Unique Chemical Elements in Shaping the Distribution of Kepler Planets2111.01753v1 · Robert F. Wilson (1, Caleb I. Canas (3, Steven R. Majewski et al.2021 · 19 citationsarXiv
APOGEE Chemical Abundance Patterns of the Massive Milky Way Satellites2109.05130v2 · Sten Hasselquist, Christian R. Hayes, Jianhui Lian et al.2021 · 153 citationsarXiv
Chemical Cartography with APOGEE: Mapping Disk Populations with a Two-Process Model and Residual Abundances2108.08860v1 · David H. Weinberg, Jon A. Holtzman, Jennifer A. Johnson et al.2021 · 49 citationsarXiv
CAPOS: The bulge Cluster APOgee Survey I. Overview and initial ASPCAP results2106.00024v1 · Doug Geisler, Sandro Villanova, Julia E. O'Connell et al.2021 · 37 citationsarXiv
Homogeneous Analysis of Globular Clusters from the APOGEE Survey with the BACCHUS Code III. Cen2104.12075v1 · Szabolcs M'esz'aros, Thomas Masseron, Jos'e G. Fern'andez-Trincado et al.2021 · 33 citationsarXiv
New families in our Solar neighborhood: applying Gaussian Mixture models for objective classification of structures in the Milky Way and in simulations2104.08394v1 · Farnik Nikakhtar, Robyn E. Sanderson, Andrew Wetzel et al.2021 · 10 citationsarXiv
Atomic data for the Gaia-ESO Survey2011.02049v1 · Ulrike Heiter, Karin Lind, Maria Bergemann et al.2020 · 194 citationsA&A 645, A106 (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
Fluorine in the solar neighbourhood: the need for several cosmic sources2003.04656v1 · Nils Ryde, Henrik Jonsson, Gregory Mace et al.2020 · 33 citationsarXiv
The Open Cluster Chemical Abundances and Mapping Survey: IV. Abundances for 128 Open Clusters using SDSS/APOGEE DR162002.08980v1 · John Donor, Peter M. Frinchaboy, Katia Cunha et al.2020 · 161 citationsarXiv
Stellar Characterization of M-dwarfs from the APOGEE Survey: A Calibrator Sample for the M-dwarf Metallicities2001.05597v1 · Diogo Souto, Katia Cunha, Verne V. Smith et al.2020 · 54 citationsarXiv
The Chemical Compositions of Accreted and {\it in situ} Galactic Globular Clusters According to SDSS/APOGEE2001.03177v4 · Danny Horta, Ricardo P. Schiavon, J. Ted Mackereth et al.2020 · 101 citationsarXiv
The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra1912.02905v2 · Romina Ahumada, Carlos Allende Prieto, Andres Almeida et al.2019 · 1,414 citationsarXivon Valency
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
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