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Monthly Notices of the Royal Astronomical Society 491 (1) 544 (2020)
https://doi.org/10.1093/mnras/stz3008

Extratidal Stars and Chemical Abundance Properties of Two Metal-poor Globular Clusters M53 (NGC 5024) and NGC 5053

Sang-Hyun Chun, Jae-Joon Lee and Dongwook Lim
The Astrophysical Journal 900 (2) 146 (2020)
https://doi.org/10.3847/1538-4357/aba829

Lithium in red giant stars: Constraining non-standard mixing with large surveys in the Gaia era

C. Charbonnel, N. Lagarde, G. Jasniewicz, P. L. North, M. Shetrone, J. Krugler Hollek, V. V. Smith, R. Smiljanic, A. Palacios and G. Ottoni
Astronomy & Astrophysics 633 A34 (2020)
https://doi.org/10.1051/0004-6361/201936360

MEGARA-GTC stellar spectral library: I

M L García-Vargas, E Carrasco, M Mollá, A Gil de Paz, S R Berlanas, N Cardiel, P Gómez-Alvarez, J Gallego, J Iglesias-Páramo, R Cedazo, S Pascual, A Castillo-Morales, A Pérez-Calpena and I Martínez-Delgado
Monthly Notices of the Royal Astronomical Society 493 (1) 871 (2020)
https://doi.org/10.1093/mnras/staa126

Li-rich giant stars under scrutiny: binarity, magnetic activity, and the evolutionary status after Gaia DR2

B F O Gonçalves, J S da Costa, L de Almeida, M Castro and J-D do Nascimento
Monthly Notices of the Royal Astronomical Society 498 (2) 2295 (2020)
https://doi.org/10.1093/mnras/staa2408

3D magneto-hydrodynamical simulations of stellar convective noise for improved exoplanet detection

S. Sulis, D. Mary and L. Bigot
Astronomy & Astrophysics 635 A146 (2020)
https://doi.org/10.1051/0004-6361/201937105

Spin-orbit alignment and magnetic activity in the young planetary system AU Mic

E. Martioli, G. Hébrard, C. Moutou, J.-F. Donati, É. Artigau, B. Cale, N. J. Cook, S. Dalal, X. Delfosse, T. Forveille, E. Gaidos, P. Plavchan, J. Berberian, A. Carmona, R. Cloutier, R. Doyon, P. Fouqué, B. Klein, A. Lecavelier des Etangs, N. Manset, J. Morin, A. Tanner, J. Teske and S. Wang
Astronomy & Astrophysics 641 L1 (2020)
https://doi.org/10.1051/0004-6361/202038695

The CARMENES search for exoplanets around M dwarfs

C. Abia, H. M. Tabernero, S. A. Korotin, D. Montes, E. Marfil, J. A. Caballero, O. Straniero, N. Prantzos, I. Ribas, A. Reiners, A. Quirrenbach, P. J. Amado, V. J. S. Béjar, M. Cortés-Contreras, S. Dreizler, Th. Henning, S. V. Jeffers, A. Kaminski, M. Kürster, M. Lafarga, Á. López-Gallifa, J. C. Morales, E. Nagel, V. M. Passegger, S. Pedraz, et al.
Astronomy & Astrophysics 642 A227 (2020)
https://doi.org/10.1051/0004-6361/202039032

APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South

Henrik Jönsson, Jon A. Holtzman, Carlos Allende Prieto, Katia Cunha, D. A. García-Hernández, Sten Hasselquist, Thomas Masseron, Yeisson Osorio, Matthew Shetrone, Verne Smith, Guy S. Stringfellow, Dmitry Bizyaev, Bengt Edvardsson, Steven R. Majewski, Szabolcs Mészáros, Diogo Souto, Olga Zamora, Rachael L. Beaton, Jo Bovy, John Donor, Marc H. Pinsonneault, Vijith Jacob Poovelil and Jennifer Sobeck
The Astronomical Journal 160 (3) 120 (2020)
https://doi.org/10.3847/1538-3881/aba592

The chemical evolution of the dwarf spheroidal galaxy Sextans

R. Theler, P. Jablonka, R. Lucchesi, C. Lardo, P. North, M. Irwin, G. Battaglia, V. Hill, E. Tolstoy, K. Venn, A. Helmi, A. Kaufer, F. Primas and M. Shetrone
Astronomy & Astrophysics 642 A176 (2020)
https://doi.org/10.1051/0004-6361/201937146

Statistical relations between stellar spectral and luminosity classes and stellar effective temperature and surface gravity

Oleg Malkov, Dana Kovaleva, Sergey Sichevsky and Gang Zhao
Research in Astronomy and Astrophysics 20 (9) 139 (2020)
https://doi.org/10.1088/1674-4527/20/9/139

Long secondary periods in luminous red giant variables

Masaki Takayama and Yoshifusa Ita
Monthly Notices of the Royal Astronomical Society 492 (1) 1348 (2020)
https://doi.org/10.1093/mnras/stz3577

Recipes for bolometric corrections and Gaia luminosities of B-type stars: application to an asteroseismic sample

May G Pedersen, Ana Escorza, Péter I Pápics and Conny Aerts
Monthly Notices of the Royal Astronomical Society 495 (3) 2738 (2020)
https://doi.org/10.1093/mnras/staa1292

When Does the Onset of Multiple Stellar Populations in Star Clusters Occur? III. No Evidence of Significant Chemical Variations in Main-sequence Stars of NGC 419

Chengyuan Li, Yue Wang, Baitian Tang, Antonino P. Milone, Yujiao Yang and Xin Ji
The Astrophysical Journal 893 (1) 17 (2020)
https://doi.org/10.3847/1538-4357/ab7b64

Stellar and interstellar parameters from large photometric surveys

O. Malkov, S. Karpov, D. Kovaleva, J. Murthy, S. Sichevsky, A. Sytov, G. Zhao, A. Zhukov and A. Zakharov
Communications of the Byurakan Astrophysical Observatory 272 (2020)
https://doi.org/10.52526/25792776-2020.67.2-272

Axion and neutrino bounds improved with new calibrations of the tip of the red-giant branch using geometric distance determinations

Francesco Capozzi and Georg Raffelt
Physical Review D 102 (8) (2020)
https://doi.org/10.1103/PhysRevD.102.083007

Betelgeuse Just Is Not That Cool: Effective Temperature Alone Cannot Explain the Recent Dimming of Betelgeuse

Emily M. Levesque and Philip Massey
The Astrophysical Journal Letters 891 (2) L37 (2020)
https://doi.org/10.3847/2041-8213/ab7935

Determining rotational and macroturbulent velocities of cool magnetic giant stars

Stefan Georgiev, Agnès Lèbre, Eric Josselin, Renada Konstantinova‐Antova and Julien Morin
Astronomische Nachrichten 341 (5) 486 (2020)
https://doi.org/10.1002/asna.202013725

Influence of Collisions with Hydrogen Atoms on Non-LTE Effects for K I and Ca II in Stellar Atmospheres

M. D. Neretina, L. I. Mashonkina, T. M. Sitnova, S. A. Yakovleva and A. K. Belyaev
Astronomy Letters 46 (9) 621 (2020)
https://doi.org/10.1134/S1063773720090054