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M Castro, F Baudin, O Benomar, R Samadi, T Morel, C Barban, J D do Nascimento, Y Lebreton, P Boumier, J P Marques and J S da Costa
Monthly Notices of the Royal Astronomical Society 505 (2) 2151 (2021)
https://doi.org/10.1093/mnras/stab1410

Universal Verification Platform and Star Simulator for Fast Star Tracker Design

Victor Hugo Schulz, Gabriel Mariano Marcelino, Laio Oriel Seman, Jeferson Santos Barros, Sangkyun Kim, Mengu Cho, Gabriel Villarrubia González, Valderi Reis Quietinho Leithardt and Eduardo Augusto Bezerra
Sensors 21 (3) 907 (2021)
https://doi.org/10.3390/s21030907

Identification of additional young nearby runaway stars based on Gaia data release 2 observations and the lithium test

Richard Bischoff, Markus Mugrauer, Guillermo Torres, Michael Geymeier, Ralph Neuhäuser, Wolfgang Stenglein and Kai‐Uwe Michel
Astronomische Nachrichten 342 (7-8) 960 (2021)
https://doi.org/10.1002/asna.202113962

The Field Substellar Mass Function Based on the Full-sky 20 pc Census of 525 L, T, and Y Dwarfs

J. Davy Kirkpatrick, Christopher R. Gelino, Jacqueline K. Faherty, Aaron M. Meisner, Dan Caselden, Adam C. Schneider, Federico Marocco, Alfred J. Cayago, R. L. Smart, Peter R. Eisenhardt, Marc J. Kuchner, Edward L. Wright, Michael C. Cushing, Katelyn N. Allers, Daniella C. Bardalez Gagliuffi, Adam J. Burgasser, Jonathan Gagné, Sarah E. Logsdon, Emily C. Martin, James G. Ingalls, Patrick J. Lowrance, Ellianna S. Abrahams, Christian Aganze, Roman Gerasimov, Eileen C. Gonzales, et al.
The Astrophysical Journal Supplement Series 253 (1) 7 (2021)
https://doi.org/10.3847/1538-4365/abd107

Polarimetric detection of non-radial oscillation modes in the β Cephei star β Crucis

Daniel V. Cotton, Derek L. Buzasi, Conny Aerts, Jeremy Bailey, Siemen Burssens, May G. Pedersen, Dennis Stello, Lucyna Kedziora-Chudczer, Ain De Horta, Peter De Cat, Fiona Lewis, Sai Prathyusha Malla, Duncan J. Wright and Kimberly Bott
Nature Astronomy 6 (1) 154 (2021)
https://doi.org/10.1038/s41550-021-01531-9

Fomalhaut b could be massive and sculpting the narrow, eccentric debris disc, if in mean-motion resonance with it

Tim D Pearce, Hervé Beust, Virginie Faramaz, Mark Booth, Alexander V Krivov, Torsten Löhne and Pedro P Poblete
Monthly Notices of the Royal Astronomical Society 503 (4) 4767 (2021)
https://doi.org/10.1093/mnras/stab760

The stellar system HIP 101227: is it a binary, a triple or a quadruple system?

Zahra Talal Yousef, Adlyka Annuar, Abdallah Mohammad Hussein, Hamid Al-Naimiy, Mashhoor Al-Wardat, Nurul Shazana Abdul Hamid and Mohammed Fadil Talafha
Research in Astronomy and Astrophysics 21 (5) 114 (2021)
https://doi.org/10.1088/1674-4527/21/5/114

BEAST begins: sample characteristics and survey performance of the B-star Exoplanet Abundance Study

Markus Janson, Vito Squicciarini, Philippe Delorme, Raffaele Gratton, Mickaël Bonnefoy, Sabine Reffert, Eric E. Mamajek, Simon C. Eriksson, Arthur Vigan, Maud Langlois, Natalia Engler, Gaël Chauvin, Silvano Desidera, Lucio Mayer, Gabriel-Dominique Marleau, Alexander J. Bohn, Matthias Samland, Michael Meyer, Valentina d’Orazi, Thomas Henning, Sascha Quanz, Matthew Kenworthy and Joseph C. Carson
Astronomy & Astrophysics 646 A164 (2021)
https://doi.org/10.1051/0004-6361/202039683

Limits on the mass and initial entropy of 51 Eri b from Gaia EDR3 astrometry

Trent J Dupuy, G Mirek Brandt and Timothy D Brandt
Monthly Notices of the Royal Astronomical Society 509 (3) 4411 (2021)
https://doi.org/10.1093/mnras/stab3148

Physical and geometrical parameters of CVBS XIV: the two nearby systems HIP 19206 and HIP 84425

Mashhoor A. Al-Wardat, Enas Abu-Alrob, Abdallah M. Hussein, Mohammad K. Mardini, Ali A. Taani, Hatem S. Widyan, Zahraa T. Yousef, Hamid M. Al-Naimiy and Nihad A. Yusuf
Research in Astronomy and Astrophysics 21 (7) 161 (2021)
https://doi.org/10.1088/1674-4527/21/7/161

Improved Dynamical Masses for Six Brown Dwarf Companions Using Hipparcos and Gaia EDR3

G. Mirek Brandt, Trent J. Dupuy, Yiting Li, Minghan Chen, Timothy D. Brandt, Tin Long Sunny Wong, Thayne Currie, Brendan P. Bowler, Michael C. Liu, William M. J. Best and Mark W. Phillips
The Astronomical Journal 162 (6) 301 (2021)
https://doi.org/10.3847/1538-3881/ac273e

How many suns are in the sky? A SPHERE multiplicity survey of exoplanet host stars

C. Ginski, M. Mugrauer, C. Adam, N. Vogt and R. G. van Holstein
Astronomy & Astrophysics 649 A156 (2021)
https://doi.org/10.1051/0004-6361/202038964

Comparison of Gaia and Hipparcos parallaxes of close visual binary stars and the impact on determinations of their masses

Mashhoor Ahmad Al-Wardat, Abdallah M. Hussein, Hamid M. Al-Naimiy and Martin A. Barstow
Publications of the Astronomical Society of Australia 38 (2021)
https://doi.org/10.1017/pasa.2020.50

Precise Masses and Orbits for Nine Radial-velocity Exoplanets

Yiting Li, Timothy D. Brandt, G. Mirek Brandt, Trent J. Dupuy, Daniel Michalik, Rebecca Jensen-Clem, Yunlin Zeng, Jacqueline Faherty and Elena L. Mitra
The Astronomical Journal 162 (6) 266 (2021)
https://doi.org/10.3847/1538-3881/ac27ab

Understanding the Evolutionary Track of Tau Sco

Singgih Prana Putra, Arwin Juli Rakhmadi Butar-Butar, Hariyadi Putraga and Muhammad Hidayat
Journal of Physics: Conference Series 2049 (1) 012013 (2021)
https://doi.org/10.1088/1742-6596/2049/1/012013

Analysis of the Breakthrough Listen signal of interest blc1 with a technosignature verification framework

Sofia Z. Sheikh, Shane Smith, Danny C. Price, David DeBoer, Brian C. Lacki, Daniel J. Czech, Steve Croft, Vishal Gajjar, Howard Isaacson, Matt Lebofsky, David H. E. MacMahon, Cherry Ng, Karen I. Perez, Andrew P. V. Siemion, Claire Isabel Webb, Andrew Zic, Jamie Drew and S. Pete Worden
Nature Astronomy 5 (11) 1153 (2021)
https://doi.org/10.1038/s41550-021-01508-8

Absolute parameters of young stars: PU Pup

Ahmet Erdem, Derya Sürgit, Timothy S. Banks, Burcu Özkardeş and Edwin Budding
Research in Astronomy and Astrophysics 21 (10) 256 (2021)
https://doi.org/10.1088/1674-4527/21/10/256

Surveying the Bright Stars by Optical Interferometry. III. A Magnitude-limited Multiplicity Survey of Classical Be Stars

D. J. Hutter, C. Tycner, R. T. Zavala, J. A. Benson, C. A. Hummel and H. Zirm
The Astrophysical Journal Supplement Series 257 (2) 69 (2021)
https://doi.org/10.3847/1538-4365/ac23cb

Detection of spectral variations of Anomalous Microwave Emission with QUIJOTE and C-BASS

R Cepeda-Arroita, S E Harper, C Dickinson, J A Rubiño-Martín, R T Génova-Santos, Angela C Taylor, T J Pearson, M Ashdown, A Barr, R B Barreiro, B Casaponsa, F J Casas, H C Chiang, R Fernandez-Cobos, R D P Grumitt, F Guidi, H M Heilgendorff, D Herranz, L R P Jew, J L Jonas, Michael E Jones, A Lasenby, J Leech, J P Leahy, E Martínez-González, et al.
Monthly Notices of the Royal Astronomical Society 503 (2) 2927 (2021)
https://doi.org/10.1093/mnras/stab583

Polarization of hot Jupiter systems: a likely detection of stellar activity and a possible detection of planetary polarization

Jeremy Bailey, Kimberly Bott, Daniel V Cotton, et al.
Monthly Notices of the Royal Astronomical Society 502 (2) 2331 (2021)
https://doi.org/10.1093/mnras/stab172

The Earth-like Galactic cosmic ray intensity in the habitable zone of the M dwarf GJ 436

A L Mesquita, D Rodgers-Lee and A A Vidotto
Monthly Notices of the Royal Astronomical Society 505 (2) 1817 (2021)
https://doi.org/10.1093/mnras/stab1483

Thayne M. Currie, Timothy D. Brandt, Masayuki Kuzuhara, Jeffrey Chilcote, Edward Cashman, Raina Y. Liu, Kellen Lawson, Taylor Tobin, G. Mirek Brandt, Olivier Guyon, Julien Lozi, Vincent Deo, Sébastien Vievard, Kyoohun Ahn, Nour Skaf, Stuart B. Shaklan and Garreth J. Ruane
3 (2021)
https://doi.org/10.1117/12.2595001