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HIP 67506 C: MagAO-X confirmation of a new low-mass stellar companion to HIP 67506 A

Logan A Pearce, Jared R Males, Sebastiaan Y Haffert, Laird M Close, Joseph D Long, Avalon L McLeod, Justin M Knight, Alexander D Hedglen, Alycia J Weinberger, Olivier Guyon, Maggie Kautz, Kyle Van Gorkom, Jennifer Lumbres, Lauren Schatz, Alex Rodack, Victor Gasho, Jay Kueny, Warren Foster, Katie M Morzinski and Philip M Hinz
Monthly Notices of the Royal Astronomical Society 521 (3) 4775 (2023)
https://doi.org/10.1093/mnras/stad859

Chasing extreme planetary architectures

G. Chauvin, M. Videla, H. Beust, R. Mendez, A. C. M. Correia, S. Lacour, A. Tokovinin, J. Hagelberg, F. Bouchy, I. Boisse, C. Villegas, M. Bonavita, S. Desidera, V. Faramaz, T. Forveille, A. Gallenne, X. Haubois, J. S. Jenkins, P. Kervella, A.-M. Lagrange, C. Melo, P. Thebault, S. Udry and D. Segransan
Astronomy & Astrophysics 675 A114 (2023)
https://doi.org/10.1051/0004-6361/202244502

Independent Validation of the Temperate Super-Earth HD 79211 b using HARPS-N

Victoria DiTomasso, Chantanelle Nava, Mercedes López-Morales, Allyson Bieryla, Ryan Cloutier, Luca Malavolta, Annelies Mortier, Lars A. Buchhave, Keivan G. Stassun, Alessandro Sozzetti, Aldo Stefano Bonomo, David Charbonneau, Andrew Collier Cameron, Rosario Cosentino, Mario Damasso, Xavier Dumusque, A. F. Martínez Fiorenzano, Adriano Ghedina, Avet Harutyunyan, R. D. Haywood, David Latham, Emilio Molinari, Francesco A. Pepe, Matteo Pinamonti, Ennio Poretti, et al.
The Astronomical Journal 165 (2) 38 (2023)
https://doi.org/10.3847/1538-3881/ac9ccd

The Surprising Evolution of the Shadow on the TW Hya Disk*

John Debes, Rebecca Nealon, Richard Alexander, Alycia J. Weinberger, Schuyler Grace Wolff, Dean Hines, Joel Kastner, Hannah Jang-Condell, Christophe Pinte, Peter Plavchan and Laurent Pueyo
The Astrophysical Journal 948 (1) 36 (2023)
https://doi.org/10.3847/1538-4357/acbdf1

Reaching the boundary between stellar kinematic groups and very wide binaries

J. González-Payo, J. A. Caballero and M. Cortés-Contreras
Astronomy & Astrophysics 670 A102 (2023)
https://doi.org/10.1051/0004-6361/202245476

HD 213258: A new rapidly oscillating, super slowly rotating, strongly magnetic Ap star in a spectroscopic binary

G. Mathys, V. Khalack, O. Kobzar, F. LeBlanc and P. L. North
Astronomy & Astrophysics 670 A72 (2023)
https://doi.org/10.1051/0004-6361/202245568

TOI-1075 b: A Dense, Massive, Ultra-short-period Hot Super-Earth Straddling the Radius Gap

Zahra Essack, Avi Shporer, Jennifer A. Burt, Sara Seager, Saverio Cambioni, Zifan Lin, Karen A. Collins, Eric E. Mamajek, Keivan G. Stassun, George R. Ricker, Roland Vanderspek, David W. Latham, Joshua N. Winn, Jon M. Jenkins, R. Paul Butler, David Charbonneau, Kevin I. Collins, Jeffrey D. Crane, Tianjun Gan, Coel Hellier, Steve B. Howell, Jonathan Irwin, Andrew W. Mann, Ali Ramadhan, Stephen A. Shectman, et al.
The Astronomical Journal 165 (2) 47 (2023)
https://doi.org/10.3847/1538-3881/ac9c5b

The GAPS Programme at TNG

A. Sozzetti, M. Pinamonti, M. Damasso, S. Desidera, K. Biazzo, A. S. Bonomo, D. Nardiello, R. Gratton, A. F. Lanza, L. Malavolta, P. Giacobbe, L. Affer, A. Bignamini, F. Borsa, W. Boschin, M. Brogi, L. Cabona, R. Claudi, E. Covino, L. Di Fabrizio, A. Ghedina, A. Harutyunyan, C. Knapic, J. Maldonado, A. Maggio, et al.
Astronomy & Astrophysics 677 L15 (2023)
https://doi.org/10.1051/0004-6361/202347329

Significance mode analysis (SigMA) for hierarchical structures

Sebastian Ratzenböck, Josefa E. Großschedl, Torsten Möller, João Alves, Immanuel Bomze and Stefan Meingast
Astronomy & Astrophysics 677 A59 (2023)
https://doi.org/10.1051/0004-6361/202243690

Planetary system architectures with low-mass inner planets

C. Desgrange, J. Milli, G. Chauvin, Th. Henning, A. Luashvili, M. Read, M. Wyatt, G. Kennedy, R. Burn, M. Schlecker, F. Kiefer, V. D’Orazi, S. Messina, P. Rubini, A.-M. Lagrange, C. Babusiaux, L. Matrà, B. Bitsch, M. Bonavita, P. Delorme, E. Matthews, P. Palma-Bifani and A. Vigan
Astronomy & Astrophysics 680 A64 (2023)
https://doi.org/10.1051/0004-6361/202346863

Exploring the brown dwarf desert with precision radial velocities and Gaia DR3 astrometric orbits

N. Unger, D. Ségransan, D. Barbato, J.-B. Delisle, J. Sahlmann, B. Holl and S. Udry
Astronomy & Astrophysics 680 A16 (2023)
https://doi.org/10.1051/0004-6361/202347578

Gaia uncovers difference in B and Be star binarity at small scales: evidence for mass transfer causing the Be phenomenon

Jonathan M Dodd, René D Oudmaijer, Isaac C Radley, Miguel Vioque and Abigail J Frost
Monthly Notices of the Royal Astronomical Society 527 (2) 3076 (2023)
https://doi.org/10.1093/mnras/stad3105

The GAPS programme at TNG

D. Turrini, F. Marzari, D. Polychroni, R. Claudi, S. Desidera, D. Mesa, M. Pinamonti, A. Sozzetti, A. Suárez Mascareño, M. Damasso, S. Benatti, L. Malavolta, G. Micela, A. Zinzi, V. J. S. Béjar, K. Biazzo, A. Bignamini, M. Bonavita, F. Borsa, C. del Burgo, G. Chauvin, P. Delorme, J. I. González Hernández, R. Gratton, J. Hagelberg, et al.
Astronomy & Astrophysics 679 A55 (2023)
https://doi.org/10.1051/0004-6361/202244752

AF Lep b: The lowest-mass planet detected by coupling astrometric and direct imaging data

D. Mesa, R. Gratton, P. Kervella, M. Bonavita, S. Desidera, V. D’Orazi, S. Marino, A. Zurlo and E. Rigliaco
Astronomy & Astrophysics 672 A93 (2023)
https://doi.org/10.1051/0004-6361/202345865

VINTERGATAN-GM: The cosmological imprints of early mergers on Milky-Way-mass galaxies

Martin P Rey, Oscar Agertz, Tjitske K Starkenburg, et al.
Monthly Notices of the Royal Astronomical Society 521 (1) 995 (2023)
https://doi.org/10.1093/mnras/stad513

Hidden Companions to Intermediate-mass Stars. XI. Uncovering a 0.7 M ⊙, 2.3 au Companion in the Astrometric Binary HIP 111200 = 58 Aquarii*

Idel Waisberg, Ygal Klein and Boaz Katz
Research Notes of the AAS 7 (10) 225 (2023)
https://doi.org/10.3847/2515-5172/ad05d0

TOI-179: A young system with a transiting compact Neptune-mass planet and a low-mass companion in outer orbit

S. Desidera, M. Damasso, R. Gratton, S. Benatti, D. Nardiello, V. D’Orazi, A. F. Lanza, D. Locci, F. Marzari, D. Mesa, S. Messina, I. Pillitteri, A. Sozzetti, J. Girard, A. Maggio, G. Micela, L. Malavolta, V. Nascimbeni, M. Pinamonti, V. Squicciarini, J. Alcalá, K. Biazzo, A. Bohn, M. Bonavita, K. Brooks, et al.
Astronomy & Astrophysics 675 A158 (2023)
https://doi.org/10.1051/0004-6361/202244611

Inner edges of planetesimal belts: collisionally eroded or truncated?

Amaia Imaz Blanco, Sebastian Marino, Luca Matrà, Mark Booth, John Carpenter, Virginie Faramaz, Thomas Henning, A Meredith Hughes, Grant M Kennedy, Sebastián Pérez, Luca Ricci and Mark C Wyatt
Monthly Notices of the Royal Astronomical Society 522 (4) 6150 (2023)
https://doi.org/10.1093/mnras/stad1221

BEAST detection of a brown dwarf and a low-mass stellar companion around the young bright B star HIP 81208

Gayathri Viswanath, Markus Janson, Raffaele Gratton, Vito Squicciarini, Laetitia Rodet, Simon C. Ringqvist, Eric E. Mamajek, Sabine Reffert, Gaël Chauvin, Philippe Delorme, Arthur Vigan, Mickaël Bonnefoy, Natalia Engler, Silvano Desidera, Thomas Henning, Janis Hagelberg, Maud Langlois and Michael Meyer
Astronomy & Astrophysics 675 A54 (2023)
https://doi.org/10.1051/0004-6361/202346154

Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star

Thayne Currie, G. Mirek Brandt, Timothy D. Brandt, Brianna Lacy, Adam Burrows, Olivier Guyon, Motohide Tamura, Ranger Y. Liu, Sabina Sagynbayeva, Taylor Tobin, Jeffrey Chilcote, Tyler Groff, Christian Marois, William Thompson, Simon J. Murphy, Masayuki Kuzuhara, Kellen Lawson, Julien Lozi, Vincent Deo, Sebastien Vievard, Nour Skaf, Taichi Uyama, Nemanja Jovanovic, Frantz Martinache, N. Jeremy Kasdin, et al.
Science 380 (6641) 198 (2023)
https://doi.org/10.1126/science.abo6192

Deprojecting and constraining the vertical thickness of exoKuiper belts

James Terrill, Sebastian Marino, Richard A Booth, Yinuo Han, Jeff Jennings and Mark C Wyatt
Monthly Notices of the Royal Astronomical Society 524 (1) 1229 (2023)
https://doi.org/10.1093/mnras/stad1847

Doppler Constraints on Planetary Companions to Nearby Sun-like Stars: An Archival Radial Velocity Survey of Southern Targets for Proposed NASA Direct Imaging Missions*  

Katherine Laliotis, Jennifer A. Burt, Eric E. Mamajek, Zhexing Li, Volker Perdelwitz, Jinglin Zhao, R. Paul Butler, Bradford Holden, Lee Rosenthal, B. J. Fulton, Fabo Feng, Stephen R. Kane, Jeremy Bailey, Brad Carter, Jeffrey D. Crane, Elise Furlan, Crystal L. Gnilka, Steve B. Howell, Gregory Laughlin, Stephen A. Shectman, Johanna K. Teske, C. G. Tinney, Steven S. Vogt, Sharon Xuesong Wang and Robert A. Wittenmyer
The Astronomical Journal 165 (4) 176 (2023)
https://doi.org/10.3847/1538-3881/acc067

Spectroscopic Follow-up of Gaia Exoplanet Candidates: Impostor Binary Stars Invade the Gaia DR3 Astrometric Exoplanet Candidates

Marcus L. Marcussen and Simon H. Albrecht
The Astronomical Journal 165 (6) 266 (2023)
https://doi.org/10.3847/1538-3881/acd53d

A Catalog of Nearby Accelerating Star Candidates in Gaia DR3

Marc L. Whiting, Joshua B. Hill, Benjamin C. Bromley and Scott J. Kenyon
The Astronomical Journal 165 (5) 193 (2023)
https://doi.org/10.3847/1538-3881/acc526

A LAMOST Spectroscopic Study of T Tauri Stars in the Orion OB1a Subassociation

Jesús Hernández, Luisa F. Zamudio, César Briceño, Nuria Calvet, Zhaohuan Zhu, Haibo Yuan, Xiaowei Liu, Ezequiel Manzo-Martínez, Carlos G. Román-Zúñiga, Javier Serna, Karina Maucó and Lucía Adame
The Astronomical Journal 165 (5) 205 (2023)
https://doi.org/10.3847/1538-3881/acc467

Astrometric Accelerations as Dynamical Beacons: Discovery and Characterization of HIP 21152 B, the First T-dwarf Companion in the Hyades*

Kyle Franson, Brendan P. Bowler, Mariangela Bonavita, Timothy D. Brandt, Minghan Chen, Matthias Samland, Zhoujian Zhang, Anna Lueber, Kevin Heng, Daniel Kitzmann, Trevor Wolf, Brandon A. Jones, Quang H. Tran, Daniella C. Bardalez Gagliuffi, Beth Biller, Jeffrey Chilcote, Justin R. Crepp, Trent J. Dupuy, Jacqueline Faherty, Clémence Fontanive, Tyler D. Groff, Raffaele Gratton, Olivier Guyon, Rebecca Jensen-Clem, Nemanja Jovanovic, et al.
The Astronomical Journal 165 (2) 39 (2023)
https://doi.org/10.3847/1538-3881/aca408