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Signature of a Massive Rotating Metal-poor Star Imprinted in the Phoenix Stellar Stream*

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Chemical Analysis of Two Extremely Metal-poor Stars HE 2148-2039 and HE 2155-2043*

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High-resolution spectroscopic follow-up of the most metal-poor candidates from SkyMapper DR1.1

D Yong, G S Da Costa, M S Bessell, et al.
Monthly Notices of the Royal Astronomical Society 507 (3) 4102 (2021)
https://doi.org/10.1093/mnras/stab2001

Searching for r-process-enhanced stars in the LAMOST survey I: the method

Tian-Yi Chen, Jian-Rong Shi, Timothy C. Beers, et al.
Research in Astronomy and Astrophysics 21 (2) 036 (2021)
https://doi.org/10.1088/1674-4527/21/2/36

HCT/HESP study of two carbon stars from the LAMOST survey

J Shejeelammal, Aruna Goswami and Jianrong Shi
Monthly Notices of the Royal Astronomical Society 502 (1) 1008 (2021)
https://doi.org/10.1093/mnras/staa3892

Pollution tracks of r-process material in [Sr/Ba] vs. [Ba/Fe] space for the early Galaxy

Wan-Qiang Han, Guo-Chao Yang, Lu Zhang, et al.
Research in Astronomy and Astrophysics 21 (5) 111 (2021)
https://doi.org/10.1088/1674-4527/21/5/111

Chemical Tagging N-rich Field Stars with High-resolution Spectroscopy

Jincheng Yu, Baitian Tang, José G. Fernández-Trincado, Douglas Geisler, Hongliang Yan and M. Soto
The Astrophysical Journal 913 (1) 23 (2021)
https://doi.org/10.3847/1538-4357/abf64d

Observational Evidence Points at AGB Stars as Possible Progenitors of CEMP-s and CEMP-r/s Stars*

Meenakshi Purandardas and Aruna Goswami
The Astrophysical Journal 922 (1) 28 (2021)
https://doi.org/10.3847/1538-4357/ac1d4d

Stellar Metallicities from SkyMapper Photometry. II. Precise Photometric Metallicities of ∼280,000 Giant Stars with [Fe/H] < −0.75 in the Milky Way

Anirudh Chiti, Anna Frebel, Mohammad K. Mardini, Tatsuya W. Daniel, Xiaowei Ou and Anastasiia V. Uvarova
The Astrophysical Journal Supplement Series 254 (2) 31 (2021)
https://doi.org/10.3847/1538-4365/abf73d

Reconstructing Masses of Merging Neutron Stars from Stellar r-process Abundance Signatures

Erika M. Holmbeck, Anna Frebel, G. C. McLaughlin, Rebecca Surman, Rodrigo Fernández, Brian D. Metzger, Matthew R. Mumpower and T. M. Sprouse
The Astrophysical Journal 909 (1) 21 (2021)
https://doi.org/10.3847/1538-4357/abd720

Hyperfine Structure Constants for Levels of 175Lu+

E. A. Den Hartog, J. E. Lawler and I. U. Roederer
The Astrophysical Journal Supplement Series 248 (1) 10 (2020)
https://doi.org/10.3847/1538-4365/ab84f5

The Southern Stellar Stream Spectroscopic Survey (S5): Chemical Abundances of Seven Stellar Streams

Alexander P. Ji, Ting S. Li, Terese T. Hansen, Andrew R. Casey, Sergey E. Koposov, Andrew B. Pace, Dougal Mackey, Geraint F. Lewis, Jeffrey D. Simpson, Joss Bland-Hawthorn, Lara R. Cullinane, Gary. S. Da Costa, Kohei Hattori, Sarah L. Martell, Kyler Kuehn, Denis Erkal, Nora Shipp, Zhen Wan and Daniel B. Zucker
The Astronomical Journal 160 (4) 181 (2020)
https://doi.org/10.3847/1538-3881/abacb6

An empirical metallicity tracer in CEMP and C-normal stars

D. Singh, C. J. Hansen, J. S. Byrgesen, M. Reichert and H. M. Reggiani
Astronomy & Astrophysics 634 A72 (2020)
https://doi.org/10.1051/0004-6361/201936305

Dynamical Relics of the Ancient Galactic Halo

Zhen Yuan, G. C. Myeong, Timothy C. Beers, N. W. Evans, Young Sun Lee, Projjwal Banerjee, Dmitrii Gudin, Kohei Hattori, Haining Li, Tadafumi Matsuno, Vinicius M. Placco, M. C. Smith, Devin D. Whitten and Gang Zhao
The Astrophysical Journal 891 (1) 39 (2020)
https://doi.org/10.3847/1538-4357/ab6ef7

The Extreme CNO-enhanced Composition of the Primitive Iron-poor Dwarf Star J0815+4729*

Jonay I. González Hernández, David S. Aguado, Carlos Allende Prieto, Adam J. Burgasser and Rafael Rebolo
The Astrophysical Journal Letters 889 (1) L13 (2020)
https://doi.org/10.3847/2041-8213/ab62ae

The vertical Na–O relation in the bulge globular cluster NGC 6553

C Muñoz, S Villanova, D Geisler, et al.
Monthly Notices of the Royal Astronomical Society 492 (3) 3742 (2020)
https://doi.org/10.1093/mnras/stz3586