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Based on HARPS-N radial velocities (RVs) and TESS photometry, we present a full characterisation of the planetary system orbiting the late G dwarf TOI-561. After the identification of three transiting candidates by TESS, we discovered two…

The lack of close-in Neptune-mass exoplanets evident in transit surveys has largely been attributed either to photoevaporative mass loss or high-eccentricity migration. To distinguish between these two possibilities, we investigate the…

A large sample of long-period giant planets has been discovered thanks to long-term radial velocity surveys, but only a few dozen of these planets have a precise radius measurement. Transiting gas giants are crucial targets for the study of…

We report the discovery and characterisation of the transiting mini-Neptune HD~207496~b (TOI-1099) as part of a large programme that aims to characterise naked core planets. We obtained HARPS spectroscopic observations, one ground-based…

We examined in depth the star BD+00 444 (GJ 105.5, TOI-2443; V = 9.5 mag; d = 23.9 pc), with the aim of characterizing and confirming the planetary nature of its small companion, the planet candidate TOI-2443.01, which was discovered by…

TOI-2015 is a known exoplanetary system around an M4 dwarf star, consisting of a transiting sub-Neptune planet in a 3.35-day orbital period, TOI-2015b, accompanied by a non-transiting companion, TOI-2015c. High-precision RV measurements…

Earth and Planetary Astrophysics · Physics 2025-02-12 K. Barkaoui , J. Korth , E. Gaidos , E. Agol , H. Parviainen , F. J. Pozuelos , E. Palle , N. Narita , S. Grimm , M. Brady , J. L. Bean , G. Morello , B. V. Rackham , A. J. Burgasser , V. Van Grootel , B. Rojas-Ayala , A. Seifahrt , E. Marfil , V. M. Passegger , M. Stalport , M. Gillon , K. A. Collins , A. Shporer , S. Giacalone , S. Yalçınkaya , E. Ducrot , M. Timmermans , A. H. M. J. Triaud , J. de Wit , A. Soubkiou , C. N. Watkins , C. Aganze , R. Alonso , P. J. Amado , R. Basant , Ö. Bastürk , Z. Benkhaldoun , A. Burdanov , Y. Calatayud-Borras , J. Chouqar , D. M. Conti , K. I. Collins , F. Davoudi , L. Delrez , C. D. Dressing , J. de Leon , M. D'evora-Pajares , B. O. Demory , G. Dransfield , E. Esparza-Borges , G. Fern'andez-Rodriguez , I. Fukuda , A. Fukui , P. P. M. Gallardo , L. Garcia , N. A. Garcia , M. Ghachoui , S. Gerald'ia-González , Y. Gómez Maqueo Chew , J. González-Rodríguez , M. N. Günther , Y. Hayashi , K. Horne , M. J. Hooton , C. C. Hsu , K. Ikuta , K. Isogai , E. Jehin , J. M. Jenkins , K. Kawauchi , T. Kagetani , Y. Kawai , D. Kasper , J. F. Kielkopf , P. Klagyivik , G. Lacedelli , D. W. Latham , F. Libotte , R. Luque , J. H. Livingston , L. Mancini , B. Massey , M. Mori , S. Muñoz Torres , F. Murgas , P. Niraula , J. Orell-Miquel , David Rapetti , R. Rebolo-Lopez , G. Ricker , R. Papini , P. P. Pedersen , A. Peláez-Torres , J. A. Pérez-Prieto , E. Poultourtzidis , P. M. Rodriguez , D. Queloz , A. B. Savel , N. Schanche , M. Sanchez-Benavente , L. Sibbald , R. Sefako , S. Sohy , A. Sota , R. P. Schwarz , S. Seager , D. Sebastian , J. Southworth , M. Stangret , G. Stefánsson , J. Stürmer , G. Srdoc , S. J. Thompson , Y. Terada , R. Vanderspek , G. Wang , N. Watanabe , F. P. Wilkin , J. Winn , R. D. Wells , C. Ziegler , S. Zúñiga-Fernández

For small planets orbiting within the habitable zones of their host stars, multicolour validation via photometric transit observations offers an efficient alternative to prioritize targets before intensive radial-velocity follow-up, thereby…

We present the discovery and characterization of two warm mini-Neptunes transiting the K3V star TOI-815 in a K-M binary system. Analysis of the spectra and rotation period reveal it to be a young star with an age of $200^{+400}_{-200}$Myr.…

Earth and Planetary Astrophysics · Physics 2024-01-31 Angelica Psaridi , Hugh Osborn , François Bouchy , Monika Lendl , Léna Parc , Nicolas Billot , Christopher Broeg , Sérgio G. Sousa , Vardan Adibekyan , Omar Attia , Andrea Bonfanti , Hritam Chakraborty , Karen A. Collins , Jeanne Davoult , Elisa Delgado-Mena , Nolan Grieves , Tristan Guillot , Alexis Heitzmann , Ravit Helled , Coel Hellier , Jon M. Jenkins , Henrik Knierim , Andreas Krenn , JackJ. Lissauer , Rafael Luque , David Rapetti , Nuno C. Santos , Olga Suárez , Julia Venturini , Francis P. Wilkin , Thomas G. Wilson , Joshua N. Winn , Carl Ziegler , Tiziano Zingales , Yann Alibert , Alexis Brandeker , Jo Ann Egger , Davide Gandolfi , Matthew J. Hooton , Amy Tuson , Solène Ulmer-Moll , Lyu Abe , Romain Allart , Roi Alonso , David R. Anderson , Guillem Anglada , Tamas Bárczy , David Barrado , Susana C. C. Barros , Wolfgang Baumjohann , Mathias Beck , Thomas Beck , Willy Benz , Xavier Bonfils , Luca Borsato , Vincent Bourrier , David R. Ciardi , Andrew Collier Cameron , Sébastien Charnoz , Marion Cointepas , Szilárd Csizmadia , Patricio Cubillos , Gaspare Lo Curto , Melvyn B. Davies , Tansu Daylan , Magali Deleuil , Adrien Deline , Laetitia Delrez , Olivier D. S. Demangeon , Brice-Olivier Demory , Caroline Dorn , Xavier Dumusque , David Ehrenreich , Anders Erikson , Alain Lecavelier des Etangs , Elena Diana de Miguel Ferreras , Andrea Fortier , Luca Fossati , Yolanda G. C. Frensch , Malcolm Fridlund , Michaël Gillon , Manuel Güdel , Maximilian N. Günther , Janis Hagelberg , Christiane Helling , Sergio Hoyer , Kate G. Isaak , Laszlo L. Kiss , Kristine Lam , Jacques Laskar , Baptiste Lavie , Christophe Lovis , Demetrio Magrin , Luca Marafatto , Pierre Maxted , Scott McDermott , Djamel Mékarnia , Christoph Mordasini , Felipe Murgas , Valerio Nascimbeni , Louise D. Nielsen , Göran Olofsson , Roland Ottensamer , Isabella Pagano , Enric Pallé , Gisbert Peter , Giampaolo Piotto , Don Pollacco , Didier Queloz , Roberto Ragazzoni , Devin Ramos , Nicola Rando , Heike Rauer , Christian Reimers , Ignasi Ribas , Sara Seager , Damien Ségransan , Gaetano Scandariato , Attila Simon , Alexis M. S. Smith , Manu Stalport , Manfred Steller , Gyula Szabó , Nicolas Thomas , Tyler A. Pritchard , Stéphane Udry , Carlos Corral Van Damme , Valérie Van Grootel , Eva Villaver , Ingo Walter , Nicholas Walton , Cristilyn N. Watkins , Richard G. West

We present the discovery of two mini Neptunes near a 2:1 orbital resonance configuration orbiting the K0 star TOI-1803. We describe their orbital architecture in detail and suggest some possible formation and evolution scenarios. Using…

Earth and Planetary Astrophysics · Physics 2025-04-02 T. Zingales , L. Malavolta , L. Borsato , D. Turrini , A. Bonfanti , D. Polychroni , G. Mantovan , D. Nardiello , V. Nascimbeni , A. F. Lanza , A. Bekkelien , A. Sozzetti , C. Broeg , L. Naponiello , M. Lendl , A. S. Bonomo , A. E. Simon , S. Desidera , G. Piotto , L. Mancini , M. J. Hooton , A. Bignamini , J. A. Egger , A. Maggio , Y. Alibert , D. Locci , L. Delrez , F. Biassoni , L. Fossati , L. Cabona , G. Lacedelli , I. Carleo , P. Leonardi , G. Andreuzzi , A. Brandeker , R. Cosentino , A. C. M. Correia , R. Claudi , R. Alonso , M. Damasso , T. G. Wilson , T. Bàrczy , M. Pinamonti , D. Baker , K. Barkaoui , D. Barrado Navascues , S. C. C. Barros , W. Baumjohann , T. Beck , C. Beichman , W. Benz , A. Bieryla , N. Billot , P. Bosch-Cabot , L. G. Bouma , D. R. Ciardi , A. Collier Cameron , K. A. Collins , Ian J. M. Crossfield , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , A. Deline , O. D. S. Demangeon , B. O. Demory , A. Derekas , D. Dragomir , B. Edwards , D. Ehrenreich , A. Erikson , B. Falk , A. Fortier , M. Fridlund , A. Fukui , D. Gandolfi , K. Gazeas , M. Gillon , E. Gonzales , M. Gudel , P. Guerra , M. N. Guunther , A. Heitzmann , Ch. Helling , S. B. Howell , K. G. Isaak , J. Jenkins , L. L. Kiss , J. Korth , K. W. F. Lam , J. Laskar , A. Lecavelier des Etangs , D. Magrin , R. Matson , E. C. Matthews , P. F. L. Maxted , S. McDermott , M. Munari , C. Mordasini , N. Narita , G. Olofsson , R. Ottensamer , I. Pagano , E. Pallè , G. Peter , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , F. Ratti , H. Rauer , I. Ribas , S. Salmon , N. C. Santos , G. Scandariato , S. Seager , D. Sègransan , A. M. S. Smith , J. Schlieder , R. P. Schwarz , A. Shporer , S. G. Sousa , M. Stalport , M. Steinberger , S. Sulis , Gy. M. Szabò , J. D. Twicken , S. Udry , V. Van Grootel , J. Venturini , E. Villaver , N. A. Walton , J. N. Winn

We report the validation of a third terrestrial exoplanet in the nearby (22 pc) TOI-2267 system. TOI-2267 is a binary system with stellar components TOI-2267A (M5, 3030 K) and TOI-2267B (M6, 2930 K), with an on-sky separation of…

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