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https://doi.org/10.1051/0004-6361/202348584

The EBLM Project– XI. Mass, radius, and effective temperature measurements for 23 M-dwarf companions to solar-type stars observed with CHEOPS

M I Swayne, P F L Maxted, A H M J Triaud, S G Sousa, A Deline, D Ehrenreich, S Hoyer, G Olofsson, I Boisse, A Duck, S Gill, D Martin, J McCormac, C M Persson, A Santerne, D Sebastian, M R Standing, L Acuña, Y Alibert, R Alonso, G Anglada, T Bárczy, D Barrado Navascues, S C C Barros, W Baumjohann, et al.
Monthly Notices of the Royal Astronomical Society 528 (4) 5703 (2024)
https://doi.org/10.1093/mnras/stad3866

The Chemical Puzzle of Weak G-Band Stars: A Comprehensive Study of HD 54627, HD 105783, HD 198718, and HD 201557

N. Holanda, T. Flaulhabe, F. Quispe-Huaynasi, A. Sonally and C. B. Pereira
The Astrophysical Journal 971 (2) 152 (2024)
https://doi.org/10.3847/1538-4357/ad58bf

Surviving in the Hot-Neptune Desert: The Discovery of the Ultrahot Neptune TOI-3261b

Emma Nabbie, Chelsea X. Huang, Jennifer A. Burt, David J. Armstrong, Eric E. Mamajek, Vardan Adibekyan, Sérgio G. Sousa, Eric D. Lopez, Daniel Thorngren, Jorge Fernández Fernández, Gongjie Li, James S. Jenkins, Jose I. Vines, João Gomes da Silva, Robert A. Wittenmyer, Daniel Bayliss, César Briceño, Karen A. Collins, Xavier Dumusque, Keith Horne, Marcelo Aron F. Keniger, Nicholas Law, Jorge Lillo-Box, Shang-Fei Liu, Andrew W. Mann, et al.
The Astronomical Journal 168 (3) 132 (2024)
https://doi.org/10.3847/1538-3881/ad60be

K2-399 b is not a planet

J. Lillo-Box, D. W. Latham, K. A. Collins, D. J. Armstrong, D. Gandolfi, E. L. N. Jensen, A. Castro-González, O. Balsalobre-Ruza, B. Montesinos, S. G. Sousa, J. Aceituno, R. P. Schwarz, N. Narita, A. Fukui, J. Cabrera, A. Hadjigeorghiou, M. Kuzuhara, T. Hirano, M. Fridlund, A. P. Hatzes, O. Barragán and N. M. Batalha
Astronomy & Astrophysics 689 L8 (2024)
https://doi.org/10.1051/0004-6361/202451398

The tidal deformation and atmosphere of WASP-12 b from its phase curve

B. Akinsanmi, S. C. C. Barros, M. Lendl, L. Carone, P. E. Cubillos, A. Bekkelien, A. Fortier, H.-G. Florén, A. Collier Cameron, G. Boué, G. Bruno, B.-O. Demory, A. Brandeker, S. G. Sousa, T. G. Wilson, A. Deline, A. Bonfanti, G. Scandariato, M. J. Hooton, A. C. M. Correia, O. D. S. Demangeon, A. M. S. Smith, V. Singh, Y. Alibert, R. Alonso, et al.
Astronomy & Astrophysics 685 A63 (2024)
https://doi.org/10.1051/0004-6361/202348502

A low-mass sub-Neptune planet transiting the bright active star HD 73344

S. Sulis, I. J. M. Crossfield, A. Santerne, M. Saillenfest, S. Sousa, D. Mary, A. Aguichine, M. Deleuil, E. Delgado Mena, S. Mathur, A. Polanski, V. Adibekyan, I. Boisse, J. C. Costes, M. Cretignier, N. Heidari, C. Lebarbé, T. Forveille, N. Hara, N. Meunier, N. Santos, S. Balcarcel-Salazar, P. Cortés-Zuleta, S. Dalal, V. Gorjian, et al.
Astronomy & Astrophysics 688 A14 (2024)
https://doi.org/10.1051/0004-6361/202449559

TOI-1199 b and TOI-1273 b: Two new transiting hot Saturns detected and characterized with SOPHIE and TESS

J. Serrano Bell, R. F. Díaz, G. Hébrard, E. Martioli, N. Heidari, S. Sousa, I. Boisse, J. M. Almenara, J. Alonso-Santiago, S. C. C. Barros, P. Benni, A. Bieryla, X. Bonfils, D. A. Caldwell, D. R. Ciardi, K. A. Collins, P. Cortés-Zuleta, S. Dalal, J. P. de León, M. Deleuil, X. Delfosse, O. D. S. Demangeon, E. Esparza-Borges, T. Forveille, A. Frasca, et al.
Astronomy & Astrophysics 684 A6 (2024)
https://doi.org/10.1051/0004-6361/202348288

Precise characterisation of HD 15337 with CHEOPS: A laboratory for planet formation and evolution

N. M. Rosário, O. D. S. Demangeon, S. C. C. Barros, D. Gandolfi, J. A. Egger, L. M. Serrano, H. P. Osborn, M. Beck, W. Benz, H.-G. Florén, P. Guterman, T. G. Wilson, Y. Alibert, L. Fossati, M. J. Hooton, L. Delrez, N. C. Santos, S. G. Sousa, A. Bonfanti, S. Salmon, V. Adibekyan, A. Nigioni, J. Venturini, R. Alonso, G. Anglada, et al.
Astronomy & Astrophysics 686 A282 (2024)
https://doi.org/10.1051/0004-6361/202347759

Stellar population astrophysics with the TNG

Nagaraj Vernekar, Sara Lucatello, Angela Bragaglia, Andrea Miglio, Nicoletta Sanna, Gloria Andreuzzi and Antonio Frasca
Astronomy & Astrophysics 684 A85 (2024)
https://doi.org/10.1051/0004-6361/202348133

TOI-5005 b: A super-Neptune in the savanna near the ridge

A. Castro-González, J. Lillo-Box, D. J. Armstrong, L. Acuña, A. Aguichine, V. Bourrier, S. Gandhi, S. G. Sousa, E. Delgado-Mena, A. Moya, V. Adibekyan, A. C. M. Correia, D. Barrado, M. Damasso, J. N. Winn, N. C. Santos, K. Barkaoui, S. C. C. Barros, Z. Benkhaldoun, F. Bouchy, C. Briceño, D. A. Caldwell, K. A. Collins, Z. Essack, M. Ghachoui, et al.
Astronomy & Astrophysics 691 A233 (2024)
https://doi.org/10.1051/0004-6361/202451656

TOI-969: a late-K dwarf with a hot mini-Neptune in the desert and an eccentric cold Jupiter

J. Lillo-Box, D. Gandolfi, D. J. Armstrong, K. A. Collins, L. D. Nielsen, R. Luque, J. Korth, S. G. Sousa, S. N. Quinn, L. Acuña, S. B. Howell, G. Morello, C. Hellier, S. Giacalone, S. Hoyer, K. Stassun, E. Palle, A. Aguichine, O. Mousis, V. Adibekyan, T. Azevedo Silva, D. Barrado, M. Deleuil, J. D. Eastman, A. Fukui, et al.
Astronomy & Astrophysics 669 A109 (2023)
https://doi.org/10.1051/0004-6361/202243879

The young mini-Neptune HD 207496b that is either a naked core or on the verge of becoming one

S. C. C. Barros, O. D. S. Demangeon, D. J. Armstrong, et al.
Astronomy & Astrophysics 673 A4 (2023)
https://doi.org/10.1051/0004-6361/202245741

Oxygen, sulfur, and iron radial abundance gradients of classical Cepheids across the Galactic thin disk

R. da Silva, V. D’Orazi, M. Palla, G. Bono, V. F. Braga, M. Fabrizio, B. Lemasle, E. Spitoni, F. Matteucci, H. Jönsson, V. Kovtyukh, L. Magrini, M. Bergemann, M. Dall’Ora, I. Ferraro, G. Fiorentino, P. François, G. Iannicola, L. Inno, R.-P. Kudritzki, N. Matsunaga, M. Monelli, M. Nonino, C. Sneden, J. Storm, et al.
Astronomy & Astrophysics 678 A195 (2023)
https://doi.org/10.1051/0004-6361/202346982

TOI-908: a planet at the edge of the Neptune desert transiting a G-type star

Faith Hawthorn, Daniel Bayliss, David J Armstrong, Jorge Fernández Fernández, Ares Osborn, Sérgio G Sousa, Vardan Adibekyan, Jeanne Davoult, Karen A Collins, Yann Alibert, Susana C C Barros, François Bouchy, Matteo Brogi, David R Ciardi, Tansu Daylan, Elisa Delgado Mena, Olivier D S Demangeon, Rodrigo F Díaz, Tianjun Gan, Keith Horne, Sergio Hoyer, Jon M Jenkins, Eric L N Jensen, John F Kielkopf, Veselin Kostov, et al.
Monthly Notices of the Royal Astronomical Society 524 (3) 3877 (2023)
https://doi.org/10.1093/mnras/stad1840

TOI-5678b: A 48-day transiting Neptune-mass planet characterized with CHEOPS and HARPS

S. Ulmer-Moll, H. P. Osborn, A. Tuson, et al.
Astronomy & Astrophysics 674 A43 (2023)
https://doi.org/10.1051/0004-6361/202245478

Refined parameters of the HD 22946 planetary system and the true orbital period of planet d

Z. Garai, H. P. Osborn, D. Gandolfi, et al.
Astronomy & Astrophysics 674 A44 (2023)
https://doi.org/10.1051/0004-6361/202345943

ESNet: Estimating Stellar Parameters from LAMOST Low-Resolution Stellar Spectra

Kun Wang, Bo Qiu, A-li Luo, Fuji Ren and Xia Jiang
Universe 9 (9) 416 (2023)
https://doi.org/10.3390/universe9090416

TOI-332 b: a super dense Neptune found deep within the Neptunian desert

Ares Osborn, David J Armstrong, Jorge Fernández Fernández, Henrik Knierim, Vardan Adibekyan, Karen A Collins, Elisa Delgado-Mena, Malcolm Fridlund, João Gomes da Silva, Coel Hellier, David G Jackson, George W King, Jorge Lillo-Box, Rachel A Matson, Elisabeth C Matthews, Nuno C Santos, Sérgio G Sousa, Keivan G Stassun, Thiam-Guan Tan, George R Ricker, Roland Vanderspek, David W Latham, Sara Seager, Joshua N Winn, Jon M Jenkins, et al.
Monthly Notices of the Royal Astronomical Society 526 (1) 548 (2023)
https://doi.org/10.1093/mnras/stad2575

The planetary system around HD 190622 (TOI-1054)

J. Cabrera, D. Gandolfi, L. M. Serrano, Sz. Csizmadia, J. A. Egger, Ph. Baumeister, A. Krenn, W. Benz, A. Deline, H.-G. Florén, A. Collier Cameron, V. Adibekyan, Y. Alibert, S. E. Bellomo, L. Delrez, L. Fossati, A. Fortier, S. Grziwa, S. Hoyer, A. Bonfanti, S. Salmon, S. G. Sousa, T. G. Wilson, J. Alarcón, R. Alonso, et al.
Astronomy & Astrophysics 675 A183 (2023)
https://doi.org/10.1051/0004-6361/202245774

A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067

R. Luque, H. P. Osborn, A. Leleu, E. Pallé, A. Bonfanti, O. Barragán, T. G. Wilson, C. Broeg, A. Collier Cameron, M. Lendl, P. F. L. Maxted, Y. Alibert, D. Gandolfi, J.-B. Delisle, M. J. Hooton, J. A. Egger, G. Nowak, M. Lafarga, D. Rapetti, J. D. Twicken, J. C. Morales, I. Carleo, J. Orell-Miquel, V. Adibekyan, R. Alonso, et al.
Nature 623 (7989) 932 (2023)
https://doi.org/10.1038/s41586-023-06692-3

Seismic and spectroscopic analysis of nine bright red giants observed by Kepler

H R Coelho, A Miglio, T Morel, N Lagarde, D Bossini, W J Chaplin, S Degl’Innocenti, M Dell’Omodarme, R A Garcia, R Handberg, S Hekker, D Huber, M N Lund, S Mathur, P G Prada Moroni, B Mosser, A Serenelli, M Rainer, J D do Nascimento, E Poretti, P Mathias, G Valle, P Dal Tio and T Duarte
Monthly Notices of the Royal Astronomical Society 527 (3) 8535 (2023)
https://doi.org/10.1093/mnras/stad3727

Discovery and characterization of two Neptune-mass planets orbiting HD 212729 with TESS

David J Armstrong, Ares Osborn, Vardan Adibekyan, Elisa Delgado-Mena, Saeed Hojjatpanah, Steve B Howell, Sergio Hoyer, Henrik Knierim, Sérgio G Sousa, Keivan G Stassun, Dimitri Veras, David R Anderson, Daniel Bayliss, François Bouchy, Christopher J Burke, Jessie L Christiansen, Xavier Dumusque, Marcelo Aron Fetzner Keniger, Andreas Hadjigeorghiou, Faith Hawthorn, Ravit Helled, Jon M Jenkins, David W Latham, Jorge Lillo-Box, Louise D Nielsen, et al.
Monthly Notices of the Royal Astronomical Society 524 (4) 5804 (2023)
https://doi.org/10.1093/mnras/stad2183

TESS and CHEOPS discover two warm sub-Neptunes transiting the bright K-dwarf HD 15906

A Tuson, D Queloz, H P Osborn, et al.
Monthly Notices of the Royal Astronomical Society 523 (2) 3090 (2023)
https://doi.org/10.1093/mnras/stad1369

Decoding the compositions of four bright r-process-enhanced stars

Pallavi Saraf, Carlos Allende Prieto, Thirupathi Sivarani, Avrajit Bandyopadhyay, Timothy C Beers and A Susmitha
Monthly Notices of the Royal Astronomical Society 524 (4) 5607 (2023)
https://doi.org/10.1093/mnras/stad2206

A compact multi-planet system transiting HIP 29442 (TOI-469) discovered by TESS and ESPRESSO

M. Damasso, J. Rodrigues, A. Castro-González, B. Lavie, J. Davoult, M. R. Zapatero Osorio, J. Dou, S. G. Sousa, J. E. Owen, P. Sossi, V. Adibekyan, H. Osborn, Z. Leinhardt, Y. Alibert, C. Lovis, E. Delgado Mena, A. Sozzetti, S. C. C. Barros, D. Bossini, C. Ziegler, D. R. Ciardi, E. C. Matthews, P. J. Carter, J. Lillo-Box, A. Suárez Mascareño, et al.
Astronomy & Astrophysics 679 A33 (2023)
https://doi.org/10.1051/0004-6361/202347240

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

A CHEOPS-enhanced view of the HD 3167 system

V. Bourrier, A. Deline, A. Krenn, J. A. Egger, A. C. Petit, L. Malavolta, M. Cretignier, N. Billot, C. Broeg, H.-G. Florén, D. Queloz, Y. Alibert, A. Bonfanti, A. S. Bonomo, J.-B. Delisle, O. D. S. Demangeon, B.-O. Demory, X. Dumusque, D. Ehrenreich, R. D. Haywood, S. B. Howell, M. Lendl, A. Mortier, G. Nigro, S. Salmon, et al.
Astronomy & Astrophysics 668 A31 (2022)
https://doi.org/10.1051/0004-6361/202243778

CORALIE radial-velocity search for companions around evolved stars (CASCADES)

G. Ottoni, S. Udry, D. Ségransan, G. Buldgen, C. Lovis, P. Eggenberger, C. Pezzotti, V. Adibekyan, M. Marmier, M. Mayor, N. C. Santos, S. G. Sousa, N. Lagarde and C. Charbonnel
Astronomy & Astrophysics 657 A87 (2022)
https://doi.org/10.1051/0004-6361/202040078

The HD 93963 A transiting system: A 1.04 d super-Earth and a 3.65 d sub-Neptune discovered by TESS and CHEOPS

L. M. Serrano, D. Gandolfi, S. Hoyer, et al.
Astronomy & Astrophysics 667 A1 (2022)
https://doi.org/10.1051/0004-6361/202243093

Lithium abundances as a tracer of asymptotic giant branch star pollution in the globular cluster NGC 6752

J Schiappacasse-Ulloa, Sara Lucatello, M J Rain and Adriano Pietrinferni
Monthly Notices of the Royal Astronomical Society 511 (1) 231 (2022)
https://doi.org/10.1093/mnras/stab3795

NGTS-21b: an inflated Super-Jupiter orbiting a metal-poor K dwarf

Douglas R Alves, James S Jenkins, Jose I Vines, et al.
Monthly Notices of the Royal Astronomical Society 517 (3) 4447 (2022)
https://doi.org/10.1093/mnras/stac2884

The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products

G. Gilmore, S. Randich, C. C. Worley, et al.
Astronomy & Astrophysics 666 A120 (2022)
https://doi.org/10.1051/0004-6361/202243134

Determination of stellar parameters for Ariel targets: a comparison analysis between different spectroscopic methods

Anna Brucalassi, Maria Tsantaki, Laura Magrini, et al.
Experimental Astronomy 53 (2) 511 (2022)
https://doi.org/10.1007/s10686-020-09695-4

A pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 characterized with CHEOPS

Thomas G Wilson, Elisa Goffo, Yann Alibert, et al.
Monthly Notices of the Royal Astronomical Society 511 (1) 1043 (2022)
https://doi.org/10.1093/mnras/stab3799

HD 23472: a multi-planetary system with three super-Earths and two potential super-Mercuries,

S. C. C. Barros, O. D. S. Demangeon, Y. Alibert, et al.
Astronomy & Astrophysics 665 A154 (2022)
https://doi.org/10.1051/0004-6361/202244293

The young HD 73583 (TOI-560) planetary system: two 10-M⊕ mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf

O Barragán, D J Armstrong, D Gandolfi, et al.
Monthly Notices of the Royal Astronomical Society 514 (2) 1606 (2022)
https://doi.org/10.1093/mnras/stac638

The HD 137496 system: A dense, hot super-Mercury and a cold Jupiter

T. Azevedo Silva, O. D. S. Demangeon, S. C. C. Barros, et al.
Astronomy & Astrophysics 657 A68 (2022)
https://doi.org/10.1051/0004-6361/202141520

The EBLM project – VIII. First results for M-dwarf mass, radius, and effective temperature measurements using CHEOPS light curves

M I Swayne, P F L Maxted, A H M J Triaud, et al.
Monthly Notices of the Royal Astronomical Society 506 (1) 306 (2021)
https://doi.org/10.1093/mnras/stab1687

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program

E. Delgado Mena, V. Adibekyan, N. C. Santos, et al.
Astronomy & Astrophysics 655 A99 (2021)
https://doi.org/10.1051/0004-6361/202141588

Stellar chromospheric activity of 1674 FGK stars from the AMBRE-HARPS sample

J. Gomes da Silva, N. C. Santos, V. Adibekyan, et al.
Astronomy & Astrophysics 646 A77 (2021)
https://doi.org/10.1051/0004-6361/202039765

Transit detection of the long-period volatile-rich super-Earth ν2 Lupi d with CHEOPS

Laetitia Delrez, David Ehrenreich, Yann Alibert, et al.
Nature Astronomy 5 (8) 775 (2021)
https://doi.org/10.1038/s41550-021-01381-5

A sub-Neptune and a non-transiting Neptune-mass companion unveiled by ESPRESSO around the bright late-F dwarf HD 5278 (TOI-130)

A. Sozzetti, M. Damasso, A. S. Bonomo, et al.
Astronomy & Astrophysics 648 A75 (2021)
https://doi.org/10.1051/0004-6361/202040034

CHEOPS observations of the HD 108236 planetary system: a fifth planet, improved ephemerides, and planetary radii

A. Bonfanti, L. Delrez, M. J. Hooton, et al.
Astronomy & Astrophysics 646 A157 (2021)
https://doi.org/10.1051/0004-6361/202039608