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Baitian Tang, Yue Wang, Ruoyun Huang, Chengyuan Li, Jincheng Yu, Doug Geisler, Bruno Dias, José G. Fernández-Trincado, Julio A. Carballo-Bello and Antonio Cabrera-Lavers
The Astrophysical Journal 908 (2) 220 (2021)
https://doi.org/10.3847/1538-4357/abd557

Reinvestigation of the Multiepoch Direct Detections of HD 88133 b and Upsilon Andromedae b

Cam Buzard, Danielle Piskorz, Alexandra C. Lockwood, Geoffrey Blake, Travis S. Barman, Björn Benneke, Chad F. Bender and John S. Carr
The Astronomical Journal 162 (6) 269 (2021)
https://doi.org/10.3847/1538-3881/ac2a2c

Spectroscopic and photometric analysis of 21 chromospherically active variables: Activity cycles and differential rotation

O. Özdarcan
Publications of the Astronomical Society of Australia 38 (2021)
https://doi.org/10.1017/pasa.2021.21

Inhomogeneity in the early Galactic chemical enrichment exposed by beryllium abundances in extremely metal-poor stars

R. Smiljanic, M. G. Zych and L. Pasquini
Astronomy & Astrophysics 646 A70 (2021)
https://doi.org/10.1051/0004-6361/202039101

TIC 257060897b: An inflated, low-density, hot-Jupiter transiting a rapidly evolving subgiant star

M Montalto, L Malavolta, J Gregorio, et al.
Monthly Notices of the Royal Astronomical Society 509 (2) 2908 (2021)
https://doi.org/10.1093/mnras/stab2923

One Year in the Life of Young Suns: Data-constrained Corona-wind Model of κ 1 Ceti

Vladimir S. Airapetian, Meng Jin, Theresa Lüftinger, Sudeshna Boro Saikia, Oleg Kochukhov, Manuel Güdel, Bart Van Der Holst and W. Manchester IV
The Astrophysical Journal 916 (2) 96 (2021)
https://doi.org/10.3847/1538-4357/ac081e

TOI-257b (HD 19916b): a warm sub-saturn orbiting an evolved F-type star

Brett C Addison, Duncan J Wright, Belinda A Nicholson, Bryson Cale, Teo Mocnik, Daniel Huber, Peter Plavchan, Robert A Wittenmyer, Andrew Vanderburg, William J Chaplin, Ashley Chontos, Jake T Clark, Jason D Eastman, Carl Ziegler, Rafael Brahm, Bradley D Carter, Mathieu Clerte, Néstor Espinoza, Jonathan Horner, John Bentley, Andrés Jordán, Stephen R Kane, John F Kielkopf, Emilie Laychock, Matthew W Mengel, et al.
Monthly Notices of the Royal Astronomical Society 502 (3) 3704 (2021)
https://doi.org/10.1093/mnras/staa3960

Populating the brown dwarf and stellar boundary: Five stars with transiting companions near the hydrogen-burning mass limit

Nolan Grieves, François Bouchy, Monika Lendl, et al.
Astronomy & Astrophysics 652 A127 (2021)
https://doi.org/10.1051/0004-6361/202141145