An ultra-short-period super-Earth and a sub-Neptune orbiting the K dwarf TOI-4311

Yoshi Nike Emilia Eschen; Thomas G. Wilson; Andrew Collier Cameron; Alexander James Mustill; Jo Ann Egger; Solène Ulmer-Moll; Davide Gandolfi; Alexis M.S. Smith; Olivier D.S. Demangeon; Sérgio G. Sousa; Andrea Bonfanti; Alexandre C.M. Correia; Vardan Adibekyan; Gaia Lacedelli; Alexis Brandeker; Camilla Pezzotti; Babatunde Akinsanmi; Yann Alibert; Roi Alonso; Tamas Bárczy; David Barrado; Susana C.C. Barros; Wolfgang Baumjohann; Willy Benz; Nicolas Billot; Luca Borsato; Christopher Broeg; Amadeo Castro-González; Szilard Csizmadia; Patricio E. Cubillos; Melvyn B. Davies; Magali Deleuil; Adrien Deline; Brice Olivier Demory; Aliz Derekas; Giuseppe Di Persio; Billy Edwards; David Ehrenreich; Anders Erikson; Andrea Fortier; Luca Fossati; Malcolm Fridlund; Kosmas Gazeas; Michaël Gillon; Manuel Güdel; Maximilian N. Günther; Alexis Heitzmann; Ch Helling; Kate G. Isaak; Jon M. Jenkins; Tatiana Keller; Laszlo L. Kiss; Daniel Kitzmann; Judith Korth; Kristine W.F. Lam; Jacques Laskar; Alain Lecavelier des Etangs; Adrien Leleu; Monika Lendl; Demetrio Magrin; Pierre F.L. Maxted; Bruno Merín; Christoph Mordasini; Valerio Nascimbeni; Göran Olofsson; Hugh P. Osborn; Roland Ottensamer; Isabella Pagano; Enric Pallé; Gisbert Peter; Glen Petitpas; Daniele Piazza; Giampaolo Piotto; Don Pollacco; Didier Queloz; Roberto Ragazzoni; Nicola Rando; Heike Rauer; Ignasi Ribas; Nuno C. Santos; Gaetano Scandariato; Damien Ségransan; Avi Shporer; André M. Silva; Attila E. Simon; Richard Southworth; Manu Stalport; Sophia Sulis; Gyula M. Szabó; Stéphane Udry; Bernd Ulmer; Valérie Van Grootel; Julia Venturini; Eva Villaver; Nicholas A. Walton; Sebastian Wolf; Carl Ziegler; Tiziano Zingales

doi:10.1093/mnras/stag952

An ultra-short-period super-Earth and a sub-Neptune orbiting the K dwarf TOI-4311

Yoshi Nike Emilia Eschen
, Thomas G. Wilson
, Andrew Collier Cameron
, Alexander James Mustill
, Jo Ann Egger
, Solène Ulmer-Moll
, Davide Gandolfi
, Alexis M.S. Smith
, Olivier D.S. Demangeon
, Sérgio G. Sousa
, Andrea Bonfanti
, Alexandre C.M. Correia
, Vardan Adibekyan
, Gaia Lacedelli
, Alexis Brandeker
, Camilla Pezzotti
, Babatunde Akinsanmi
, Yann Alibert
, Roi Alonso
, Tamas Bárczy

David Barrado, Susana C.C. Barros, Wolfgang Baumjohann, Willy Benz, Nicolas Billot, Luca Borsato, Christopher Broeg, Amadeo Castro-González, Szilard Csizmadia, Patricio E. Cubillos, Melvyn B. Davies, Magali Deleuil, Adrien Deline, Brice Olivier Demory, Aliz Derekas, Giuseppe Di Persio, Billy Edwards, David Ehrenreich, Anders Erikson, Andrea Fortier, Luca Fossati, Malcolm Fridlund, Kosmas Gazeas, Michaël Gillon, Manuel Güdel, Maximilian N. Günther, Alexis Heitzmann, Ch Helling, Kate G. Isaak, Jon M. Jenkins, Tatiana Keller, Laszlo L. Kiss, Daniel Kitzmann, Judith Korth, Kristine W.F. Lam, Jacques Laskar, Alain Lecavelier des Etangs, Adrien Leleu, Monika Lendl, Demetrio Magrin, Pierre F.L. Maxted, Bruno Merín, Christoph Mordasini, Valerio Nascimbeni, Göran Olofsson, Hugh P. Osborn, Roland Ottensamer, Isabella Pagano, Enric Pallé, Gisbert Peter, Glen Petitpas, Daniele Piazza, Giampaolo Piotto, Don Pollacco, Didier Queloz, Roberto Ragazzoni, Nicola Rando, Heike Rauer, Ignasi Ribas, Nuno C. Santos, Gaetano Scandariato, Damien Ségransan, Avi Shporer, André M. Silva, Attila E. Simon, Richard Southworth, Manu Stalport, Sophia Sulis, Gyula M. Szabó, Stéphane Udry, Bernd Ulmer, Valérie Van Grootel, Julia Venturini, Eva Villaver, Nicholas A. Walton, Sebastian Wolf, Carl Ziegler, Tiziano Zingales

Physics and Astronomy

Producción científica: Article › revisión exhaustiva

Idioma original	English
Número de artículo	stag952
Publicación	Monthly Notices of the Royal Astronomical Society
Volumen	549
N.º	3
DOI	https://doi.org/10.1093/mnras/stag952
Estado	Published - jul 2026

ASJC Scopus Subject Areas

Astronomy and Astrophysics
Space and Planetary Science

Acceder al documento

10.1093/mnras/stag952

Otros archivos y enlaces

Citar esto

Eschen, Y. N. E., Wilson, T. G., Cameron, A. C., Mustill, A. J., Egger, J. A., Ulmer-Moll, S., Gandolfi, D., Smith, A. M. S., Demangeon, O. D. S., Sousa, S. G., Bonfanti, A., Correia, A. C. M., Adibekyan, V., Lacedelli, G., Brandeker, A., Pezzotti, C., Akinsanmi, B., Alibert, Y., Alonso, R., ... Zingales, T. (2026). An ultra-short-period super-Earth and a sub-Neptune orbiting the K dwarf TOI-4311. Monthly Notices of the Royal Astronomical Society, 549(3), Artículo stag952. https://doi.org/10.1093/mnras/stag952

Eschen, YNE, Wilson, TG, Cameron, AC, Mustill, AJ, Egger, JA, Ulmer-Moll, S, Gandolfi, D, Smith, AMS, Demangeon, ODS, Sousa, SG, Bonfanti, A, Correia, ACM, Adibekyan, V, Lacedelli, G, Brandeker, A, Pezzotti, C, Akinsanmi, B, Alibert, Y, Alonso, R, Bárczy, T, Barrado, D, Barros, SCC, Baumjohann, W, Benz, W, Billot, N, Borsato, L, Broeg, C, Castro-González, A, Csizmadia, S, Cubillos, PE, Davies, MB, Deleuil, M, Deline, A, Demory, BO, Derekas, A, Persio, GD, Edwards, B, Ehrenreich, D, Erikson, A, Fortier, A, Fossati, L, Fridlund, M, Gazeas, K, Gillon, M, Güdel, M, Günther, MN, Heitzmann, A, Helling, C, Isaak, KG, Jenkins, JM, Keller, T, Kiss, LL, Kitzmann, D, Korth, J, Lam, KWF, Laskar, J, des Etangs, AL, Leleu, A, Lendl, M, Magrin, D, Maxted, PFL, Merín, B, Mordasini, C, Nascimbeni, V, Olofsson, G, Osborn, HP, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Petitpas, G, Piazza, D, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Santos, NC, Scandariato, G, Ségransan, D, Shporer, A, Silva, AM, Simon, AE, Southworth, R, Stalport, M, Sulis, S, Szabó, GM, Udry, S, Ulmer, B, Van Grootel, V, Venturini, J, Villaver, E, Walton, NA, Wolf, S, Ziegler, C & Zingales, T 2026, 'An ultra-short-period super-Earth and a sub-Neptune orbiting the K dwarf TOI-4311', Monthly Notices of the Royal Astronomical Society, vol. 549, n.º 3, stag952. https://doi.org/10.1093/mnras/stag952

@article{f90c514b0d704361b4e0e216e1813358,

title = "An ultra-short-period super-Earth and a sub-Neptune orbiting the K dwarf TOI-4311",

keywords = "planets and satellites: detection, planets and satellites: individual: TOI-4311 b \& c, planets and satellites: interiors, stars: individual: TOI-4311, techniques: photometric, techniques: radial velocities",

author = "Eschen, \{Yoshi Nike Emilia\} and Wilson, \{Thomas G.\} and Cameron, \{Andrew Collier\} and Mustill, \{Alexander James\} and Egger, \{Jo Ann\} and Sol{\`e}ne Ulmer-Moll and Davide Gandolfi and Smith, \{Alexis M.S.\} and Demangeon, \{Olivier D.S.\} and Sousa, \{S{\'e}rgio G.\} and Andrea Bonfanti and Correia, \{Alexandre C.M.\} and Vardan Adibekyan and Gaia Lacedelli and Alexis Brandeker and Camilla Pezzotti and Babatunde Akinsanmi and Yann Alibert and Roi Alonso and Tamas B{\'a}rczy and David Barrado and Barros, \{Susana C.C.\} and Wolfgang Baumjohann and Willy Benz and Nicolas Billot and Luca Borsato and Christopher Broeg and Amadeo Castro-Gonz{\'a}lez and Szilard Csizmadia and Cubillos, \{Patricio E.\} and Davies, \{Melvyn B.\} and Magali Deleuil and Adrien Deline and Demory, \{Brice Olivier\} and Aliz Derekas and Persio, \{Giuseppe Di\} and Billy Edwards and David Ehrenreich and Anders Erikson and Andrea Fortier and Luca Fossati and Malcolm Fridlund and Kosmas Gazeas and Micha{\"e}l Gillon and Manuel G{\"u}del and G{\"u}nther, \{Maximilian N.\} and Alexis Heitzmann and Ch Helling and Isaak, \{Kate G.\} and Jenkins, \{Jon M.\} and Tatiana Keller and Kiss, \{Laszlo L.\} and Daniel Kitzmann and Judith Korth and Lam, \{Kristine W.F.\} and Jacques Laskar and \{des Etangs\}, \{Alain Lecavelier\} and Adrien Leleu and Monika Lendl and Demetrio Magrin and Maxted, \{Pierre F.L.\} and Bruno Mer{\'i}n and Christoph Mordasini and Valerio Nascimbeni and G{\"o}ran Olofsson and Osborn, \{Hugh P.\} and Roland Ottensamer and Isabella Pagano and Enric Pall{\'e} and Gisbert Peter and Glen Petitpas and Daniele Piazza and Giampaolo Piotto and Don Pollacco and Didier Queloz and Roberto Ragazzoni and Nicola Rando and Heike Rauer and Ignasi Ribas and Santos, \{Nuno C.\} and Gaetano Scandariato and Damien S{\'e}gransan and Avi Shporer and Silva, \{Andr{\'e} M.\} and Simon, \{Attila E.\} and Richard Southworth and Manu Stalport and Sophia Sulis and Szab{\'o}, \{Gyula M.\} and St{\'e}phane Udry and Bernd Ulmer and Val{\'e}rie Van Grootel and Julia Venturini and Eva Villaver and Walton, \{Nicholas A.\} and Sebastian Wolf and Carl Ziegler and Tiziano Zingales",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2026. Published by Oxford University Press on behalf of Royal Astronomical Society. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.",

year = "2026",

month = jul,

doi = "10.1093/mnras/stag952",

language = "English",

volume = "549",

number = "3",

}

TY - JOUR

T1 - An ultra-short-period super-Earth and a sub-Neptune orbiting the K dwarf TOI-4311

AU - Eschen, Yoshi Nike Emilia

AU - Wilson, Thomas G.

AU - Cameron, Andrew Collier

AU - Mustill, Alexander James

AU - Egger, Jo Ann

AU - Ulmer-Moll, Solène

AU - Gandolfi, Davide

AU - Smith, Alexis M.S.

AU - Demangeon, Olivier D.S.

AU - Sousa, Sérgio G.

AU - Bonfanti, Andrea

AU - Correia, Alexandre C.M.

AU - Adibekyan, Vardan

AU - Lacedelli, Gaia

AU - Brandeker, Alexis

AU - Pezzotti, Camilla

AU - Akinsanmi, Babatunde

AU - Alibert, Yann

AU - Alonso, Roi

AU - Bárczy, Tamas

AU - Barrado, David

AU - Barros, Susana C.C.

AU - Baumjohann, Wolfgang

AU - Benz, Willy

AU - Billot, Nicolas

AU - Borsato, Luca

AU - Broeg, Christopher

AU - Castro-González, Amadeo

AU - Csizmadia, Szilard

AU - Cubillos, Patricio E.

AU - Davies, Melvyn B.

AU - Deleuil, Magali

AU - Deline, Adrien

AU - Demory, Brice Olivier

AU - Derekas, Aliz

AU - Persio, Giuseppe Di

AU - Edwards, Billy

AU - Ehrenreich, David

AU - Erikson, Anders

AU - Fortier, Andrea

AU - Fossati, Luca

AU - Fridlund, Malcolm

AU - Gazeas, Kosmas

AU - Gillon, Michaël

AU - Güdel, Manuel

AU - Günther, Maximilian N.

AU - Heitzmann, Alexis

AU - Helling, Ch

AU - Isaak, Kate G.

AU - Jenkins, Jon M.

AU - Keller, Tatiana

AU - Kiss, Laszlo L.

AU - Kitzmann, Daniel

AU - Korth, Judith

AU - Lam, Kristine W.F.

AU - Laskar, Jacques

AU - des Etangs, Alain Lecavelier

AU - Leleu, Adrien

AU - Lendl, Monika

AU - Magrin, Demetrio

AU - Maxted, Pierre F.L.

AU - Merín, Bruno

AU - Mordasini, Christoph

AU - Nascimbeni, Valerio

AU - Olofsson, Göran

AU - Osborn, Hugh P.

AU - Ottensamer, Roland

AU - Pagano, Isabella

AU - Pallé, Enric

AU - Peter, Gisbert

AU - Petitpas, Glen

AU - Piazza, Daniele

AU - Piotto, Giampaolo

AU - Pollacco, Don

AU - Queloz, Didier

AU - Ragazzoni, Roberto

AU - Rando, Nicola

AU - Rauer, Heike

AU - Ribas, Ignasi

AU - Santos, Nuno C.

AU - Scandariato, Gaetano

AU - Ségransan, Damien

AU - Shporer, Avi

AU - Silva, André M.

AU - Simon, Attila E.

AU - Southworth, Richard

AU - Stalport, Manu

AU - Sulis, Sophia

AU - Szabó, Gyula M.

AU - Udry, Stéphane

AU - Ulmer, Bernd

AU - Van Grootel, Valérie

AU - Venturini, Julia

AU - Villaver, Eva

AU - Walton, Nicholas A.

AU - Wolf, Sebastian

AU - Ziegler, Carl

AU - Zingales, Tiziano

N1 - Publisher Copyright: © The Author(s) 2026. Published by Oxford University Press on behalf of Royal Astronomical Society. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

PY - 2026/7

Y1 - 2026/7

KW - planets and satellites: detection

KW - planets and satellites: individual: TOI-4311 b & c

KW - planets and satellites: interiors

KW - stars: individual: TOI-4311

KW - techniques: photometric

KW - techniques: radial velocities

UR - https://www.scopus.com/pages/publications/105041362651

UR - https://www.scopus.com/pages/publications/105041362651#tab=citedBy

U2 - 10.1093/mnras/stag952

DO - 10.1093/mnras/stag952

M3 - Article

AN - SCOPUS:105041362651

SN - 0035-8711

VL - 549

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 3

M1 - stag952

ER -