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

Luque, R.; Osborn, H. P.; Leleu, A.; Pallé, E.; Bonfanti, A.; Barragán, O.; Wilson, T. G.; Broeg, C.; Cameron, A. Collier; Lendl, M.; Maxted, P. F. L.; Alibert, Y.; Gandolfi, D.; Delisle, J.-B.; Hooton, M. J.; Egger, J. A.; Nowak, G.; Lafarga, M.; Rapetti, D.; Twicken, J. D.; Morales, J. C.; Carleo, I.; Orell-Miquel, J.; Adibekyan, V.; Alonso, R.; Alqasim, A.; Amado, P. J.; Anderson, D. R.; Anglada-Escudé, G.; Bandy, T.; Bárczy, T.; Navascues, D. Barrado; Barros, S. C. C.; Baumjohann, W.; Bayliss, D.; Bean, J. L.; Beck, M.; Beck, T.; Benz, W.; Billot, N.; Bonfils, X.; Borsato, L.; Boyle, A. W.; Brandeker, A.; Bryant, E. M.; Cabrera, J.; Carrazco-Gaxiola, S.; Charbonneau, D.; Charnoz, S.; Ciardi, D. R.; Cochran, W. D.; Collins, K. A.; Crossfield, I. J. M.; Csizmadia, Sz.; Cubillos, P. E.; Dai, F.; Davies, M. B.; Deeg, H. J.; Deleuil, M.; Deline, A.; Delrez, L.; Demangeon, O. D. S.; Demory, B.-O.; Ehrenreich, D.; Erikson, A.; Esparza-Borges, E.; Falk, B.; Fortier, A.; Fossati, L.; Fridlund, M.; Fukui, A.; Garcia-Mejia, J.; Gill, S.; Gillon, M.; Goffo, E.; Chew, Y. Gómez Maqueo; Güdel, M.; Guenther, E. W.; Günther, M. N.; Hatzes, A. P.; Helling, Ch.; Hesse, K. M.; Howell, S. B.; Hoyer, S.; Ikuta, K.; Isaak, K. G.; Jenkins, J. M.; Kagetani, T.; Kiss, L. L.; Kodama, T.; Korth, J.; Lam, K. W. F.; Laskar, J.; Latham, D. W.; Etangs, A. Lecavelier des; Leon, J. P. D.; Livingston, J. H.; Magrin, D.; Matson, R. A.; Matthews, E. C.; Mordasini, C.; Mori, M.; Moyano, M.; Munari, M.; Murgas, F.; Narita, N.; Nascimbeni, V.; Olofsson, G.; Osborne, H. L. M.; Ottensamer, R.; Pagano, I.; Parviainen, H.; Peter, G.; Piotto, G.; Pollacco, D.; Queloz, D.; Quinn, S. N.; Quirrenbach, A.; Ragazzoni, R.; Rando, N.; Ratti, F.; Rauer, H.; Redfield, S.; Ribas, I.; Ricker, G. R.; Rudat, A.; Sabin, L.; Salmon, S.; Santos, N. C.; Scandariato, G.; Schanche, N.; Schlieder, J. E.; Seager, S.; Ségransan, D.; Shporer, A.; Simon, A. E.; Smith, A. M. S.; Sousa, S. G.; Stalport, M.; Szabó, Gy. M.; Thomas, N.; Tuson, A.; Udry, S.; Vanderburg, A. M.; Van Eylen, V.; Van Grootel, V.; Venturini, J.; Walter, I.; Walton, N. A.; Watanabe, N.; Winn, J. N.; Zingales, T.

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, A. Alqasim, P. J. Amado, D. R. Anderson, G. Anglada-Escudé, T. Bandy, T. Bárczy, D. Barrado Navascues, S. C. C. Barros, W. Baumjohann, D. Bayliss, J. L. Bean, M. Beck, T. Beck, W. Benz, N. Billot, X. Bonfils, L. Borsato, A. W. Boyle, A. Brandeker, E. M. Bryant, J. Cabrera, S. Carrazco-Gaxiola, D. Charbonneau, S. Charnoz, D. R. Ciardi, W. D. Cochran, K. A. Collins, I. J. M. Crossfield, Sz. Csizmadia, P. E. Cubillos, F. Dai, M. B. Davies, H. J. Deeg, M. Deleuil, A. Deline, L. Delrez, O. D. S. Demangeon, B.-O. Demory, D. Ehrenreich, A. Erikson, E. Esparza-Borges, B. Falk, A. Fortier, L. Fossati, M. Fridlund, A. Fukui, J. Garcia-Mejia, S. Gill, M. Gillon, E. Goffo, Y. Gómez Maqueo Chew, M. Güdel, E. W. Guenther, M. N. Günther, A. P. Hatzes, Ch. Helling, K. M. Hesse, S. B. Howell, S. Hoyer, K. Ikuta, K. G. Isaak, J. M. Jenkins, T. Kagetani, L. L. Kiss, T. Kodama, J. Korth, K. W. F. Lam, J. Laskar, D. W. Latham, A. Lecavelier des Etangs, J. P. D. Leon, J. H. Livingston, D. Magrin, R. A. Matson, E. C. Matthews, C. Mordasini, M. Mori, M. Moyano, M. Munari, F. Murgas, N. Narita, V. Nascimbeni, G. Olofsson, H. L. M. Osborne, R. Ottensamer, I. Pagano, H. Parviainen, G. Peter, G. Piotto, D. Pollacco, D. Queloz, S. N. Quinn, A. Quirrenbach, R. Ragazzoni, N. Rando, F. Ratti, H. Rauer, S. Redfield, I. Ribas, G. R. Ricker, A. Rudat, L. Sabin, S. Salmon, N. C. Santos, G. Scandariato, N. Schanche, J. E. Schlieder, S. Seager, D. Ségransan, A. Shporer, A. E. Simon, A. M. S. Smith, S. G. Sousa, M. Stalport, Gy. M. Szabó, N. Thomas, A. Tuson, S. Udry, A. M. Vanderburg, V. Van Eylen, V. Van Grootel, J. Venturini, I. Walter, N. A. Walton, N. Watanabe, J. N. Winn and T. Zingales
Additional contact information
R. Luque: University of Chicago
H. P. Osborn: University of Bern
A. Leleu: University of Bern
E. Pallé: Instituto de Astrofisica de Canarias
A. Bonfanti: Austrian Academy of Sciences
O. Barragán: University of Oxford
T. G. Wilson: University of St Andrews
C. Broeg: University of Bern
A. Collier Cameron: University of St Andrews
M. Lendl: Observatoire Astronomique de l’Université de Genève
P. F. L. Maxted: Keele University
Y. Alibert: University of Bern
D. Gandolfi: Universita degli Studi di Torino
J.-B. Delisle: Observatoire Astronomique de l’Université de Genève
M. J. Hooton: University of Cambridge
J. A. Egger: University of Bern
G. Nowak: Instituto de Astrofisica de Canarias
M. Lafarga: University of Warwick
D. Rapetti: NASA Ames Research Center
J. D. Twicken: NASA Ames Research Center
J. C. Morales: Institut de Ciencies de l’Espai (ICE-CSIC)
I. Carleo: Instituto de Astrofisica de Canarias
J. Orell-Miquel: Instituto de Astrofisica de Canarias
V. Adibekyan: Universidade do Porto
R. Alonso: Instituto de Astrofisica de Canarias
A. Alqasim: University College London
P. J. Amado: Instituto de Astrofísica de Andalucía (IAA-CSIC)
D. R. Anderson: University of Warwick
G. Anglada-Escudé: Institut de Ciencies de l’Espai (ICE-CSIC)
T. Bandy: European Space Agency (ESA)
T. Bárczy: Admatis
D. Barrado Navascues: Centro de Astrobiología (INTA-CSIC)
S. C. C. Barros: Universidade do Porto
W. Baumjohann: Austrian Academy of Sciences
D. Bayliss: University of Warwick
J. L. Bean: University of Chicago
M. Beck: Observatoire Astronomique de l’Université de Genève
T. Beck: University of Bern
W. Benz: University of Bern
N. Billot: Observatoire Astronomique de l’Université de Genève
X. Bonfils: Université Grenoble Alpes, CNRS, IPAG
L. Borsato: INAF - Osservatorio Astronomico di Padova
A. W. Boyle: California Institute of Technology
A. Brandeker: Stockholm University, AlbaNova University Center
E. M. Bryant: University of Warwick
J. Cabrera: German Aerospace Center (DLR)
S. Carrazco-Gaxiola: Universidad Nacional Autónoma de México
D. Charbonneau: Center for Astrophysics | Harvard & Smithsonian
S. Charnoz: Université de Paris Cité, Institut de Physique du Globe de Paris, CNRS
D. R. Ciardi: California Institute of Technology
W. D. Cochran: The University of Texas
K. A. Collins: Center for Astrophysics | Harvard & Smithsonian
I. J. M. Crossfield: University of Kansas
Sz. Csizmadia: German Aerospace Center (DLR)
P. E. Cubillos: Austrian Academy of Sciences
F. Dai: California Institute of Technology
M. B. Davies: Lund University
H. J. Deeg: Instituto de Astrofisica de Canarias
M. Deleuil: Aix Marseille Univ., CNRS, CNES, LAM
A. Deline: Observatoire Astronomique de l’Université de Genève
L. Delrez: Université de Liège
O. D. S. Demangeon: Universidade do Porto
B.-O. Demory: University of Bern
D. Ehrenreich: Observatoire Astronomique de l’Université de Genève
A. Erikson: German Aerospace Center (DLR)
E. Esparza-Borges: Instituto de Astrofisica de Canarias
B. Falk: Space Telescope Science Institute
A. Fortier: University of Bern
L. Fossati: Austrian Academy of Sciences
M. Fridlund: University of Leiden
A. Fukui: Instituto de Astrofisica de Canarias
J. Garcia-Mejia: Center for Astrophysics | Harvard & Smithsonian
S. Gill: University of Warwick
M. Gillon: Université de Liège
E. Goffo: Universita degli Studi di Torino
Y. Gómez Maqueo Chew: Universidad Nacional Autónoma de México
M. Güdel: University of Vienna
E. W. Guenther: Thüringer Landessternwarte Tautenburg
M. N. Günther: European Space Agency (ESA)
A. P. Hatzes: Thüringer Landessternwarte Tautenburg
Ch. Helling: Austrian Academy of Sciences
K. M. Hesse: Massachusetts Institute of Technology
S. B. Howell: NASA Ames Research Center
S. Hoyer: Aix Marseille Univ., CNRS, CNES, LAM
K. Ikuta: The University of Tokyo
K. G. Isaak: European Space Agency (ESA)
J. M. Jenkins: NASA Ames Research Center
T. Kagetani: The University of Tokyo
L. L. Kiss: HUN-REN Research Centre for Astronomy and Earth Sciences
T. Kodama: The University of Tokyo
J. Korth: Lund University
K. W. F. Lam: German Aerospace Center (DLR)
J. Laskar: IMCCE, UMR8028 CNRS, Observatoire de Paris, PSL Univ., Sorbonne Univ.
D. W. Latham: Center for Astrophysics | Harvard & Smithsonian
A. Lecavelier des Etangs: Université Pierre & Marie Curie
J. P. D. Leon: The University of Tokyo
J. H. Livingston: Astrobiology Center
D. Magrin: INAF - Osservatorio Astronomico di Padova
R. A. Matson: United States Naval Observatory
E. C. Matthews: Max Planck Institute for Astronomy
C. Mordasini: University of Bern
M. Mori: The University of Tokyo
M. Moyano: Universidad Católica del Norte
M. Munari: INAF - Osservatorio Astrofisico di Catania
F. Murgas: Instituto de Astrofisica de Canarias
N. Narita: Instituto de Astrofisica de Canarias
V. Nascimbeni: INAF - Osservatorio Astronomico di Padova
G. Olofsson: Stockholm University, AlbaNova University Center
H. L. M. Osborne: University College London
R. Ottensamer: University of Vienna
I. Pagano: INAF - Osservatorio Astrofisico di Catania
H. Parviainen: Instituto de Astrofisica de Canarias
G. Peter: German Aerospace Center (DLR)
G. Piotto: INAF - Osservatorio Astronomico di Padova
D. Pollacco: University of Warwick
D. Queloz: University of Cambridge
S. N. Quinn: Center for Astrophysics | Harvard & Smithsonian
A. Quirrenbach: Zentrum für Astronomie der Universität Heidelberg
R. Ragazzoni: INAF - Osservatorio Astronomico di Padova
N. Rando: European Space Agency (ESA)
F. Ratti: European Space Agency (ESA)
H. Rauer: German Aerospace Center (DLR)
S. Redfield: Wesleyan University
I. Ribas: Institut de Ciencies de l’Espai (ICE-CSIC)
G. R. Ricker: Massachusetts Institute of Technology
A. Rudat: Massachusetts Institute of Technology
L. Sabin: Universidad Nacional Autónoma de México
S. Salmon: Observatoire Astronomique de l’Université de Genève
N. C. Santos: Universidade do Porto
G. Scandariato: INAF - Osservatorio Astrofisico di Catania
N. Schanche: University of Bern
J. E. Schlieder: NASA Goddard Space Flight Center
S. Seager: Massachusetts Institute of Technology
D. Ségransan: Observatoire Astronomique de l’Université de Genève
A. Shporer: Massachusetts Institute of Technology
A. E. Simon: University of Bern
A. M. S. Smith: German Aerospace Center (DLR)
S. G. Sousa: Universidade do Porto
M. Stalport: Université de Liège
Gy. M. Szabó: ELTE Eötvös Loránd University
N. Thomas: University of Bern
A. Tuson: University of Cambridge
S. Udry: Observatoire Astronomique de l’Université de Genève
A. M. Vanderburg: Massachusetts Institute of Technology
V. Van Eylen: University College London
V. Van Grootel: Université de Liège
J. Venturini: Observatoire Astronomique de l’Université de Genève
I. Walter: German Aerospace Center (DLR)
N. A. Walton: University of Cambridge
N. Watanabe: The University of Tokyo
J. N. Winn: Princeton University
T. Zingales: Universita degli Studi di Padova

Nature, 2023, vol. 623, issue 7989, 932-937

Abstract: Abstract Planets with radii between that of the Earth and Neptune (hereafter referred to as ‘sub-Neptunes’) are found in close-in orbits around more than half of all Sun-like stars1,2. However, their composition, formation and evolution remain poorly understood3. The study of multiplanetary systems offers an opportunity to investigate the outcomes of planet formation and evolution while controlling for initial conditions and environment. Those in resonance (with their orbital periods related by a ratio of small integers) are particularly valuable because they imply a system architecture practically unchanged since its birth. Here we present the observations of six transiting planets around the bright nearby star HD 110067. We find that the planets follow a chain of resonant orbits. A dynamical study of the innermost planet triplet allowed the prediction and later confirmation of the orbits of the rest of the planets in the system. The six planets are found to be sub-Neptunes with radii ranging from 1.94R⊕ to 2.85R⊕. Three of the planets have measured masses, yielding low bulk densities that suggest the presence of large hydrogen-dominated atmospheres.

Date: 2023
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DOI: 10.1038/s41586-023-06692-3

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