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https://doi.org/10.1051/0004-6361/202346470

Planetary companions orbiting the M dwarfs GJ 724 and GJ 3988

P. Gorrini, J. Kemmer, S. Dreizler, R. Burn, T. Hirano, F. J. Pozuelos, M. Kuzuhara, J. A. Caballero, P. J. Amado, H. Harakawa, T. Kudo, A. Quirrenbach, A. Reiners, I. Ribas, V. J. S. Béjar, P. Chaturvedi, C. Cifuentes, D. Galadí-Enríquez, A. P. Hatzes, A. Kaminski, T. Kotani, M. Kürster, J. H. Livingston, M. J. López González, D. Montes, et al.
Astronomy & Astrophysics 680 A28 (2023)
https://doi.org/10.1051/0004-6361/202347108

Modeling the Chromosphere and Transition Region of Planet-hosting Star GJ 436

Dominik Hintz, Sarah Peacock, Travis Barman, Birgit Fuhrmeister, Evangelos Nagel, Andreas Schweitzer, Sandra V. Jeffers, Ignasi Ribas, Ansgar Reiners, Andreas Quirrenbach, Pedro J. Amado, Victor J. S. Béjar, José A. Caballero, Artie P. Hatzes and David Montes
The Astrophysical Journal 954 (1) 73 (2023)
https://doi.org/10.3847/1538-4357/ace103

The CARMENES search for exoplanets around M dwarfs

E. Nagel, S. Czesla, A. Kaminski, M. Zechmeister, L. Tal-Or, J. H. M. M. Schmitt, A. Reiners, A. Quirrenbach, A. García López, J. A. Caballero, I. Ribas, P. J. Amado, V. J. S. Béjar, M. Cortés-Contreras, S. Dreizler, A. P. Hatzes, Th. Henning, S. V. Jeffers, M. Kürster, M. Lafarga, M. López-Puertas, D. Montes, J. C. Morales, S. Pedraz and A. Schweitzer
Astronomy & Astrophysics 680 A73 (2023)
https://doi.org/10.1051/0004-6361/202346524

TOI-1801 b: A temperate mini-Neptune around a young M0.5 dwarf

M. Mallorquín, E. Goffo, E. Pallé, N. Lodieu, V. J. S. Béjar, H. Isaacson, M. R. Zapatero Osorio, S. Dreizler, S. Stock, R. Luque, F. Murgas, L. Peña, J. Sanz-Forcada, G. Morello, D. R. Ciardi, E. Furlan, K. A. Collins, E. Herrero, S. Vanaverbeke, P. Plavchan, N. Narita, A. Schweitzer, M. Pérez-Torres, A. Quirrenbach, J. Kemmer, et al.
Astronomy & Astrophysics 680 A76 (2023)
https://doi.org/10.1051/0004-6361/202347346

The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves

D Sebastian, M I Swayne, P F L Maxted, et al.
Monthly Notices of the Royal Astronomical Society 519 (3) 3546 (2023)
https://doi.org/10.1093/mnras/stac2565

Constraining atmospheric parameters and surface magnetic fields with ZeeTurbo: an application to SPIRou spectra

P I Cristofari, J-F Donati, C P Folsom, et al.
Monthly Notices of the Royal Astronomical Society 522 (1) 1342 (2023)
https://doi.org/10.1093/mnras/stad865

The CARMENES search for exoplanets around M dwarfs

B. Fuhrmeister, S. Czesla, J. H. M. M. Schmitt, P. C. Schneider, J. A. Caballero, S. V. Jeffers, E. Nagel, D. Montes, M. C. Gálvez Ortiz, A. Reiners, I. Ribas, A. Quirrenbach, P. J. Amado, Th. Henning, N. Lodieu, P. Martín-Fernández, J. C. Morales, P. Schöfer, W. Seifert and M. Zechmeister
Astronomy & Astrophysics 678 A1 (2023)
https://doi.org/10.1051/0004-6361/202347161

The effect of stellar contamination on low-resolution transmission spectroscopy: needs identified by NASA’s Exoplanet Exploration Program Study Analysis Group 21

Benjamin V Rackham, Néstor Espinoza, Svetlana V Berdyugina, et al.
RAS Techniques and Instruments 2 (1) 148 (2023)
https://doi.org/10.1093/rasti/rzad009

GJ 806 (TOI-4481): A bright nearby multi-planetary system with a transiting hot low-density super-Earth

E. Palle, J. Orell-Miquel, M. Brady, J. Bean, A. P. Hatzes, G. Morello, J. C. Morales, F. Murgas, K. Molaverdikhani, H. Parviainen, J. Sanz-Forcada, V. J. S. Béjar, J. A. Caballero, K. R. Sreenivas, M. Schlecker, I. Ribas, V. Perdelwitz, L. Tal-Or, M. Pérez-Torres, R. Luque, S. Dreizler, B. Fuhrmeister, F. Aceituno, P. J. Amado, G. Anglada-Escudé, et al.
Astronomy & Astrophysics 678 A80 (2023)
https://doi.org/10.1051/0004-6361/202244261

An unusually low-density super-Earth transiting the bright early-type M-dwarf GJ 1018 (TOI-244)

A. Castro-González, O. D. S. Demangeon, J. Lillo-Box, C. Lovis, B. Lavie, V. Adibekyan, L. Acuña, M. Deleuil, A. Aguichine, M. R. Zapatero Osorio, H. M. Tabernero, J. Davoult, Y. Alibert, N. Santos, S. G. Sousa, A. Antoniadis-Karnavas, F. Borsa, J. N. Winn, C. Allende Prieto, P. Figueira, J. M. Jenkins, A. Sozzetti, M. Damasso, A. M. Silva, N. Astudillo-Defru, et al.
Astronomy & Astrophysics 675 A52 (2023)
https://doi.org/10.1051/0004-6361/202346550

The SPHINX M-dwarf Spectral Grid. I. Benchmarking New Model Atmospheres to Derive Fundamental M-dwarf Properties

Aishwarya R. Iyer, Michael R. Line, Philip S. Muirhead, Jonathan J. Fortney and Ehsan Gharib-Nezhad
The Astrophysical Journal 944 (1) 41 (2023)
https://doi.org/10.3847/1538-4357/acabc2

A Possible Surviving Companion of the SN Ia in the Galactic SNR G272.2-3.2

P. Ruiz-Lapuente, J. I. González Hernández, R. Cartier, K. Boutsia, F. Figueras, R. Canal and L. Galbany
The Astrophysical Journal 947 (2) 90 (2023)
https://doi.org/10.3847/1538-4357/acad74

Photometric Calibrations of M-dwarf Metallicity with Markov Chain Monte Carlo and Bayesian Inference

C. Duque-Arribas, D. Montes, H. M. Tabernero, J. A. Caballero, J. Gorgas and E. Marfil
The Astrophysical Journal 944 (1) 106 (2023)
https://doi.org/10.3847/1538-4357/acacf6

Stellar Characterization and Radius Inflation of Hyades M-dwarf Stars from the APOGEE Survey

Fábio Wanderley, Katia Cunha, Diogo Souto, Verne V. Smith, Lyra Cao, Marc Pinsonneault, C. Allende Prieto, Kevin Covey, Thomas Masseron, Ilaria Pascucci, Keivan G. Stassun, Ryan Terrien, Galen J. Bergsten, Dmitry Bizyaev, José G. Fernández-Trincado, Henrik Jönsson, Sten Hasselquist, Jon A. Holtzman, Richard R. Lane, Suvrath Mahadevan, Steven R. Majewski, Dante Minniti, Kaike Pan, Javier Serna, Jennifer Sobeck and Guy S. Stringfellow
The Astrophysical Journal 951 (2) 90 (2023)
https://doi.org/10.3847/1538-4357/acd4bd

Physical properties and trigonometric distance of the peculiar dwarf WISE J181005.5−101002.3

N. Lodieu, M. R. Zapatero Osorio, E. L. Martín, R. Rebolo López and B. Gauza
Astronomy & Astrophysics 663 A84 (2022)
https://doi.org/10.1051/0004-6361/202243516

Elemental Abundances of nearby M Dwarfs Based on High-resolution Near-infrared Spectra Obtained by the Subaru/IRD Survey: Proof of Concept

Hiroyuki Tako Ishikawa, Wako Aoki, Teruyuki Hirano, Takayuki Kotani, Masayuki Kuzuhara, Masashi Omiya, Yasunori Hori, Eiichiro Kokubo, Tomoyuki Kudo, Takashi Kurokawa, Nobuhiko Kusakabe, Norio Narita, Jun Nishikawa, Masahiro Ogihara, Akitoshi Ueda, Thayne Currie, Thomas Henning, Yui Kasagi, Jared R. Kolecki, Jungmi Kwon, Masahiro N. Machida, Michael W. McElwain, Takao Nakagawa, Sebastien Vievard, Ji Wang, et al.
The Astronomical Journal 163 (2) 72 (2022)
https://doi.org/10.3847/1538-3881/ac3ee0

Discovery and mass measurement of the hot, transiting, Earth-sized planet, GJ 3929 b

J. Kemmer, S. Dreizler, D. Kossakowski, et al.
Astronomy & Astrophysics 659 A17 (2022)
https://doi.org/10.1051/0004-6361/202142653

STEPARSYN: A Bayesian code to infer stellar atmospheric parameters using spectral synthesis

H. M. Tabernero, E. Marfil, D. Montes and J. I. González Hernández
Astronomy & Astrophysics 657 A66 (2022)
https://doi.org/10.1051/0004-6361/202141763

TOI-1468: A system of two transiting planets, a super-Earth and a mini-Neptune, on opposite sides of the radius valley

P. Chaturvedi, P. Bluhm, E. Nagel, et al.
Astronomy & Astrophysics 666 A155 (2022)
https://doi.org/10.1051/0004-6361/202244056

A Transiting, Temperate Mini-Neptune Orbiting the M Dwarf TOI-1759 Unveiled by TESS

Néstor Espinoza, Enric Pallé, Jonas Kemmer, Rafael Luque, José A. Caballero, Carlos Cifuentes, Enrique Herrero, Víctor J. Sánchez Béjar, Stephan Stock, Karan Molaverdikhani, Giuseppe Morello, Diana Kossakowski, Martin Schlecker, Pedro J. Amado, Paz Bluhm, Miriam Cortés-Contreras, Thomas Henning, Laura Kreidberg, Martin Kürster, Marina Lafarga, Nicolas Lodieu, Juan Carlos Morales, Mahmoudreza Oshagh, Vera M. Passegger, Alexey Pavlov, et al.
The Astronomical Journal 163 (3) 133 (2022)
https://doi.org/10.3847/1538-3881/ac4af0

Metallicities in M dwarfs: Investigating different determination techniques

V. M. Passegger, A. Bello-García, J. Ordieres-Meré, et al.
Astronomy & Astrophysics 658 A194 (2022)
https://doi.org/10.1051/0004-6361/202141920