CH
C. J. Hansen
astro-ph.SRastro-ph.GAastro-ph.IMastro-ph.HEnucl-exnucl-thastro-ph.COastro-ph.EPphysics.ins-det
On Valency
published · living versionsW_6as5kqt2·v1 · currentpublished
Milky Way archaeology using RR Lyrae and type II Cepheids II. High velocity RR Lyrae stars, and mass of the Milky Way
with Z. Prudil, A. J Koch-Hansen, B. Lemasle, E. K. Grebel +8
1 version
W_b37pgw7b·v1published
Preprints & journals
74 papers in the corpus · 2011–2026MINCE IV. A detailed analysis of 37 metal-poor and subsolar metallicity stars2609.15386v1 · L. Sgatti, G. Cescutti, L. Lombardo et al.2026 · 0 citationsarXiv
Chemodynamical evidence of the HR 1614 moving group as a bar resonance2607.14224v1 · Andreas J. Koch-Hansen, Vladislav Gulaev, Dominik H. Plonka et al.2026 · 0 citationsarXiv
HRMOS: A High-Resolution Multi-Object Spectrograph for the VLT2607.04916v1 · Laura Magrini, Thomas Bensby, Sofia Randich et al.2026 · 0 citationsarXiv
Constraining r-process nucleosynthesis with multi-objective Galactic chemical evolution models2511.13372v1 · M. Molero, A. Arcones, F. Montes et al.2025 · 1 citationA&A 709, A268 (2026)
Unlocking the mystery of Sr synthesis in the early Galaxy through analysis of barium isotopes in very metal-poor stars2506.10193v1 · T. M. Sitnova, L. Lombardo, L. I. Mashonkina et al.2025 · 7 citationsA&A 699, A262 (2025)
Modeling the progenitors of low-mass post-accretion binaries2505.22201v1 · A.J. Dimoff, R.J. Stancliffe, C.J. Hansen et al.2025 · 4 citationsA&A 701, A52 (2025)
MINCE III. Detailed chemical analysis of the UVES sample2501.14470v1 · F. Lucertini, L. Sbordone, E. Caffau et al.2025 · 0 citationsA&A 695, A36 (2025)
Chemical Evolution of R-process Elements in Stars (CERES). III. Chemical abundances of neutron capture elements from Ba to Eu2412.09141v1 · L. Lombardo, C.J. Hansen, F. Rizzuti (OAT) et al.2024 · 13 citationsarXiv
Chemical Evolution of R-process Elements in Stars (CERES): IV. An observational run-up of the third r-process peak with Hf, Os, Ir, and Pt2412.00195v1 · Arthur Alencastro Puls, Jan Kuske, Camilla Juul Hansen et al.2024 · 15 citationsA&A 693, A294 (2025)
Chemical Evolution of R-process Elements in Stars (CERES) II. The impact of stellar evolution and rotation on light and heavy elements2411.04180v1 · Raphaela Fernandes de Melo, Linda Lombardo, Arthur Alencastro Puls et al.2024 · 0 citationsarXiv
S-Process Nucleosynthesis in Chemically Peculiar Binaries2409.16761v1 · A.J. Dimoff, C.J. Hansen, R.J. Stancliffe et al.2024 · 4 citationsA&A 691, A128 (2024)
MINCE II. Neutron capture elements2404.08418v1 · P. Francois, G. Cescutti, P. Bonifacio et al.2024 · 1 citationarXiv
Taking the pulse of the outer Milky Way with HOWVAST: an RR Lyrae density profile out to $>$200 kpc2402.14055v1 · Gustavo E. Medina, Ricardo R. Munoz, Jeffrey L. Carlin et al.2024 · 0 citationsarXiv
Neutrino-Driven Outflows and the Elemental Abundance Patterns of Very Metal-Poor Stars2312.12306v1 · A. Psaltis, M. Jacobi, F. Montes et al.2023 · 17 citationsarXiv
The discovery space of ELT-ANDES. Stars and stellar populations2311.16320v1 · Ian U. Roederer, Juli'an D. Alvarado-G'omez, Carlos Allende Prieto et al.2023 · 6 citationsarXiv
RR Lyrae stars as probes of the outer Galactic halo: Chemical and kinematic analysis of a pilot sample2309.03271v1 · Gustavo E. Medina, Camilla J. Hansen, Ricardo R. Munoz et al.2023 · 8 citations2023, MNRAS, 519, 5689
NLTE analysis of the methylidyne radical (CH) molecular lines in metal-poor stellar atmospheres2212.06517v1 · S. A. Popa, R. Hoppe, M. Bergemann et al.2022 · 20 citationsA&A 670, A25 (2023)
MINCE I. Presentation of the project and of the first year sample2211.06086v1 · G. Cescutti, P. Bonifacio, E. Caffau et al.2022 · 23 citationsA&A 668, A168 (2022)
CUBES, the Cassegrain U-Band Efficient Spectrograph2208.01672v1 · S. Cristiani, J. M. Alcal'a, S. H. P. Alencar et al.2022 · 3 citationsarXiv
The CUBES Science Case2208.01677v2 · Chris Evans, Stefano Cristiani, Cyrielle Opitom et al.2022 · 1 citationarXiv
Chemical Evolution of R-process Elements in Stars (CERES). I. Stellar parameters and chemical abundances from Na to Zr2206.13836v1 · Linda Lombardo (GEPI), Piercarlo Bonifacio (GEPI), Patrick Francois (GEPI) et al.2022 · 29 citationsAstronomy and Astrophysics - A&A, EDP Sciences
Milky Way archaeology using RR Lyrae and type II Cepheids II. High velocity RR Lyrae stars, and mass of the Milky Way2206.00417v1 · Z. Prudil, A. J Koch-Hansen, B. Lemasle et al.2022 · 23 citationsA&A 664, A148 (2022)on Valency
Horizons: Nuclear Astrophysics in the 2020s and Beyond2205.07996v1 · H. Schatz, A. D. Becerril Reyes, A. Best et al.2022 · 51 citationsarXiv
Constraining nucleosynthesis in neutrino-driven winds: observations, simulations and nuclear physics2204.07136v1 · A. Psaltis, A. Arcones, F. Montes et al.2022 · 35 citationsarXiv
Heavy Elements -- They came out of the blue2203.07396v1 · Camilla Juul Hansen2022 · 1 citationarXiv
Chemodynamics of metal-poor wide binaries in the Galactic halo: Association with the Sequoia event2108.08850v1 · Dongwook Lim, Andreas J. Koch-Hansen, Camilla Juul Hansen et al.2021 · 6 citationsA&A 655, A26 (2021)
Evolution of neutron capture elements in dwarf galaxies2105.06916v1 · Marta Molero, Donatella Romano, Moritz Reichert et al.2021 · 33 citationsarXiv
A systematic DECam search for RR Lyrae in the outer halo of the Milky Way2012.06619v1 · Gustavo E. Medina, Ricardo R. Munoz, Jeffrey L. Carlin et al.2020 · 1 citationarXiv
Purveyors of fine halos III. Chemical abundance analysis of a potential omega Cen associate2011.12303v1 · Andreas J. Koch-Hansen, Camilla Juul Hansen, Linda Lombardo et al.2020 · 4 citationsarXiv
Mono-enriched stars and Galactic chemical evolution -- Possible biases in observations and theory2009.11876v1 · Camilla Juul Hansen, Andreas Koch, Lyudmila Mashonkina et al.2020 · 26 citationsA&A 643, A49 (2020)
The Gaia-ESO survey: 3D NLTE abundances in the open cluster NGC 2420 suggest atomic diffusion and turbulent mixing at the origin of chemical abundance variations2007.09153v2 · Ekaterina Semenova, Maria Bergemann, Morgan Deal et al.2020 · 55 citationsA&A 643, A164 (2020)
A Minimum Dilution Scenario for Supernovae and Consequences for Extremely Metal-Poor Stars2006.12517v1 · Mattis Magg, Thomas Nordlander, Simon C. O. Glover et al.2020 · 44 citationsarXiv
A wide angle view of the Sagittarius dwarf spheroidal galaxy -- II. A CEMP-r/s star in the Sagittarius dwarf Spheroidal Galaxy2005.03027v1 · L. Sbordone, C. J. Hansen, L. Monaco et al.2020 · 8 citationsA&A 641, A135 (2020)
Neutron-capture elements in dwarf galaxies III: A homogenized analysis of 13 dwarf spheroidal and ultra-faint galaxies2004.01195v2 · Moritz Reichert, Camilla J. Hansen, Michael Hanke et al.2020 · 73 citationsA&A 641, A127 (2020)
Observational constraints on the origin of the elements. III. Evidence for the dominant role of sub-Chandrasekhar SN Ia in the chemical evolution of Mn and Fe in the Galaxy2003.01721v1 · Philipp Eitner, Maria Bergemann, Camilla Juul Hansen et al.2020 · 49 citationsarXiv
A high-precision abundance analysis of the nuclear benchmark star HD 202001.11038v1 · Michael Hanke, Camilla Juul Hansen, Hans-Gunter Ludwig et al.2020 · 17 citationsA&A 635, A104 (2020)
An empirical metallicity tracer in CEMP and C-normal stars2001.02684v1 · D. Singh, C. J. Hansen, J. S. Byrgesen et al.2020 · 2 citationsA&A 634, A72 (2020)
Neutron-capture elements in dwarf galaxies II: Challenges for the s- and i-processes at low metallicity1912.06671v2 · 'Asa Sk'ulad'ottir, Camilla Juul Hansen, Arthur Choplin et al.2019 · 27 citationsA&A 634, A84 (2020)
Identification of strontium in the merger of two neutron stars.31645733 · Watson, Darach, Hansen, Camilla J, Selsing, Jonatan et al.2019 · 482 citationsNature. 2019;574(7779):497-500
Neutron-capture elements in dwarf galaxies I: Chemical clocks & the short timescale of the r-process1908.10729v3 · 'Asa Sk'ulad'ottir, Camilla Juul Hansen, Stefania Salvadori et al.2019 · 77 citationsA&A 631, A171 (2019)
Observational constraints on the origin of the elements. I. 3D NLTE formation of Mn lines in late-type stars1905.05200v2 · Maria Bergemann, Andrew J. Gallagher, Philipp Eitner et al.2019 · 146 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 2: The Milky Way Halo High-Resolution Survey1903.02468v2 · N. Christlieb, C. Battistini, P. Bonifacio et al.2019 · 15 citationsThe Messenger, 2019, 175, 26
Abundances and kinematics of carbon-enhanced metal-poor stars in the Galactic halo*; A new classification scheme based on Sr and Ba1901.05968v1 · Camilla J. Hansen, Terese T. Hansen, Andreas Koch et al.2019 · 65 citationsA&A 623, A128 (2019)
Unusual neutron-capture nucleosynthesis in a carbon-rich Galactic bulge star1812.07574v1 · A. Koch, M. Reichert, C.J. Hansen et al.2018 · 25 citationsA&A 622, A159 (2019)
Neutron Star Mergers Might not be the Only Source of r-Process Elements in the Milky Way1809.03525v3 · Benoit Cot'e, Marius Eichler, Almudena Arcones et al.2018 · 258 citationsarXiv
ATHOS: On-the-fly stellar parameter determination of FGK stars based on flux ratios from optical spectra1809.01655v1 · Michael Hanke, Camilla Juul Hansen, Andreas Koch et al.2018 · 25 citationsA&A 619, A134 (2018)
r-Process Nucleosynthesis: Connecting Rare-Isotope Beam Facilities with the Cosmos1805.04637v1 · C. J. Horowitz, A. Arcones, B. Cot'e et al.2018 · 187 citationsarXiv
Establishing the accuracy of asteroseismic mass and radius estimates of giant stars. I. Three eclipsing systems at [Fe/H]~ -0.3 and the need for a large high-precision sample1801.08167v1 · K. Brogaard, C. J. Hansen, A. Miglio et al.2018 · 98 citationsarXiv
Ages and heavy element abundances from very metal-poor stars in the Sagittarius dwarf galaxy1711.02101v1 · Camilla Juul Hansen, Mariam El-Souri, Lorenzo Monaco et al.2017 · 65 citationsarXiv
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