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A. Mucciarelli, D. Massari, A. Minelli, D. Romano, M. Bellazzini, F. R. Ferraro, F. Matteucci and L. Origlia
Nature Astronomy 5 (12) 1247 (2021)
https://doi.org/10.1038/s41550-021-01493-y

How many explosions does one need? Quantifying supernovae in globular clusters from iron abundance spreads

Henriette Wirth, Tereza Jerabkova, Zhiqiang Yan, Pavel Kroupa, Jaroslav Haas and Ladislav Šubr
Monthly Notices of the Royal Astronomical Society 506 (3) 4131 (2021)
https://doi.org/10.1093/mnras/stab2011

Underground Measurements of Nuclear Reaction Cross-Sections Relevant to AGB Stars

Chemseddine Ananna, Francesco Barile, Axel Boeltzig, Carlo Giulio Bruno, Francesca Cavanna, Giovanni Francesco Ciani, Alessandro Compagnucci, Laszlo Csedreki, Rosanna Depalo, Federico Ferraro, Eliana Masha, Denise Piatti, David Rapagnani and Jakub Skowronski
Universe 8 (1) 4 (2021)
https://doi.org/10.3390/universe8010004

Star Formation Timescales of the Halo Populations from Asteroseismology and Chemical Abundances*

Tadafumi Matsuno, Wako Aoki, Luca Casagrande, Miho N. Ishigaki, Jianrong Shi, Masao Takata, Maosheng Xiang, David Yong, Haining Li, Takuma Suda, Qianfan Xing and Jingkun Zhao
The Astrophysical Journal 912 (1) 72 (2021)
https://doi.org/10.3847/1538-4357/abeab2

A Careful Reassessment of Globular Cluster Multiple Population Radial Distributions with Sloan Digital Sky Survey and Johnson–Cousins Broadband Photometry

Willem B. Hoogendam and Jason P. Smolinski
The Astronomical Journal 161 (5) 249 (2021)
https://doi.org/10.3847/1538-3881/abf357

Variability in NGC 3201 Giant Stars and Its Impact on Their Spectroscopic [Fe/H] Determination

Á. Llancaqueo Albornoz, S. Villanova, C. C. Cortés, J. A. Ahumada and C. Parisi
The Astronomical Journal 161 (2) 76 (2021)
https://doi.org/10.3847/1538-3881/abcf2f

Intrinsic metallicity variation in the intermediate mass type II globular cluster NGC 1261

C Muñoz, D Geisler, S Villanova, Ata Sarajedini, H Frelijj, C Vargas, L Monaco and J O’Connell
Monthly Notices of the Royal Astronomical Society 506 (4) 4676 (2021)
https://doi.org/10.1093/mnras/stab1891

The rotation of selected globular clusters and the differential rotation of M3 in multiple populations from the SDSS-IV APOGEE-2 survey

László Szigeti, Szabolcs Mészáros, Gyula M Szabó, José G Fernández-Trincado, Richard R Lane and Roger E Cohen
Monthly Notices of the Royal Astronomical Society 504 (1) 1144 (2021)
https://doi.org/10.1093/mnras/stab1007

Relative Ages of Nine Inner Milky Way Globular Clusters from Proper-motion-cleaned Color–Magnitude Diagrams*

Roger E. Cohen, Andrea Bellini, Luca Casagrande, Thomas M. Brown, Matteo Correnti and Jason S. Kalirai
The Astronomical Journal 162 (6) 228 (2021)
https://doi.org/10.3847/1538-3881/ac281f

Spectral properties and detectability of supermassive stars in protoglobular clusters at high redshift

F. Martins, D. Schaerer, L. Haemmerlé and C. Charbonnel
Astronomy & Astrophysics 633 A9 (2020)
https://doi.org/10.1051/0004-6361/201936963

Three-component Kinematics of Multiple Stellar Populations in Globular Clusters with Gaia and VLT

G. Cordoni, A. P. Milone, A. Mastrobuono-Battisti, A. F. Marino, E. P. Lagioia, M. Tailo, H. Baumgardt and M. Hilker
The Astrophysical Journal 889 (1) 18 (2020)
https://doi.org/10.3847/1538-4357/ab5aee

The predicted properties of helium-enriched globular cluster progenitors at high redshift

David M Nataf, Shunsaku Horiuchi, Guglielmo Costa, et al.
Monthly Notices of the Royal Astronomical Society 496 (3) 3222 (2020)
https://doi.org/10.1093/mnras/staa1351

The contribution of N-rich stars to the Galactic stellar halo using APOGEE red giants

Danny Horta, J Ted Mackereth, Ricardo P Schiavon, Sten Hasselquist, Jo Bovy, Carlos Allende Prieto, Timothy C Beers, Katia Cunha, D A García-Hernández, Shobhit S Kisku, Richard R Lane, Steven R Majewski, Andrew C Mason, David M Nataf, Alexandre Roman-Lopes and Mathias Schultheis
Monthly Notices of the Royal Astronomical Society 500 (4) 5462 (2020)
https://doi.org/10.1093/mnras/staa3598

The Pristine Dwarf-Galaxy survey – II. In-depth observational study of the faint Milky Way satellite Sagittarius II

Nicolas Longeard, Nicolas Martin, Else Starkenburg, et al.
Monthly Notices of the Royal Astronomical Society 491 (1) 356 (2020)
https://doi.org/10.1093/mnras/stz2854

The Hubble Space Telescope UV Legacy Survey of Galactic globular clusters – XXI. Binaries among multiple stellar populations

A P Milone, E Vesperini, A F Marino, et al.
Monthly Notices of the Royal Astronomical Society 492 (4) 5457 (2020)
https://doi.org/10.1093/mnras/stz3629

Internal kinematics of M10 and M71

Nicholas A Barth, Jeffrey M Gerber, Owen M Boberg, Eileen D Friel and Enrico Vesperini
Monthly Notices of the Royal Astronomical Society 494 (3) 4548 (2020)
https://doi.org/10.1093/mnras/staa1019

Exploring the nature and synchronicity of early cluster formation in the Large Magellanic Cloud – V. Multiple populations in ancient globular clusters

Christina K Gilligan, Brian Chaboyer, Jeffrey D Cummings, Dougal Mackey, Roger E Cohen, Douglas Geisler, Aaron J Grocholski, M C Parisi, Ata Sarajedini, Paolo Ventura, Sandro Villanova, Soung-Chul Yang and Rachel Wagner-Kaiser
Monthly Notices of the Royal Astronomical Society 494 (2) 1946 (2020)
https://doi.org/10.1093/mnras/staa822

MINESweeper: Spectrophotometric Modeling of Stars in the Gaia Era

Phillip A. Cargile, Charlie Conroy, Benjamin D. Johnson, Yuan-Sen 源森 Ting 丁, Ana Bonaca, Aaron Dotter and Joshua S. Speagle
The Astrophysical Journal 900 (1) 28 (2020)
https://doi.org/10.3847/1538-4357/aba43b