Published July 7, 2023
| Version v1
Journal article
TOI-1130: A photodynamical analysis of a hot Jupiter in resonance with an inner low-mass planet
Creators
- Korth, J.
- Gandolfi, D.
- Šubjak, J.
- Howard, S.
- Ataiee, S.
- Collins, K
- Quinn, S
- Mustill, A
- Guillot, T.
- Lodieu, N.
- Smith, A
- Esposito, M.
- Rodler, F.
- Muresan, A.
- Abe, L.
- Albrecht, S
- Alqasim, A.
- Barkaoui, K.
- Beck, P
- Burke, C
- Butler, R
- Conti, D
- Collins, K
- Crane, J
- Dai, F.
- Deeg, H
- Evans, P.
- Grziwa, S.
- Hatzes, A
- Hirano, T.
- Horne, K.
- Huang, C
- Jenkins, J
- Kabáth, P.
- Kielkopf, J
- Knudstrup, E.
- Latham, D
- Livingston, J.
- Luque, R.
- Mathur, S.
- Murgas, F.
- Osborne, H
- Palle, E.
- Persson, C
- Rodriguez, J
- Rose, M.
- Rowden, P.
- Schwarz, R
- Seager, S.
- Serrano, L
- Sha, L.
- Shectman, S
- Shporer, A.
- Srdoc, G.
- Stockdale, C.
- Tan, T.-G.
- Teske, J
- van Eylen, V.
- Vanderburg, A.
- Vanderspek, R.
- Wang, S
- Winn, J
Contributors
Others:
- Università degli studi di Torino = University of Turin (UNITO)
- Observatoire de la Côte d'Azur (OCA) ; Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)
- Universität Heidelberg [Heidelberg] = Heidelberg University
- SETI Institute
- Harvard-Smithsonian Center for Astrophysics (CfA) ; Harvard University-Smithsonian Institution
- Joseph Louis LAGRANGE (LAGRANGE) ; Université Nice Sophia Antipolis (1965 - 2019) (UNS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur ; Université Côte d'Azur (UniCA)-Université Côte d'Azur (UniCA)-Centre National de la Recherche Scientifique (CNRS)
- Circuits électroniques quantiques Alpes (NEEL - QuantECA) ; Institut Néel (NEEL) ; Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP) ; Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP) ; Université Grenoble Alpes (UGA)
- Université Cadi Ayyad [Marrakech] (UCA)
- MIT Kavli Institute for Astrophysics and Space Research ; Massachusetts Institute of Technology (MIT)
- Department of Terrestrial Magnetism [Carnegie Institution] ; Carnegie Institution for Science
- American Association of Variable Star Observers (AAVSO)
- Caltech Division of Geological and Planetary Sciences ; California Institute of Technology (CALTECH)
- Institut d'Astrophysique de Paris (IAP) ; Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)
- University of Auckland [Auckland]
- Rheinisches Institut für Umweltforschung (RIU) ; Universität zu Köln = University of Cologne
- Thüringer Landessternwarte Tautenburg (TLS)
Description
The TOI-1130 is a known planetary system around a K-dwarf consisting of a gas giant planet, TOI-1130 c on an 8.4-day orbit that is accompanied by an inner Neptune-sized planet, TOI-1130 b, with an orbital period of 4.1 days. We collected precise radial velocity (RV) measurements of TOI-1130 with the HARPS and PFS spectrographs as part of our ongoing RV follow-up program. We performed a photodynamical modeling of the HARPS and PFS RVs, along with transit photometry from the Transiting Exoplanet Survey Satellite (TESS) and the TESS Follow-up Observing Program (TFOP). We determined the planet masses and radii of TOI-1130 b and TOI-1130 c to be M b = 19.28 ± 0.97 M ⊕ and R b = 3.56 ± 0.13 R ⊕ , and M c = 325.59 ± 5.59 M ⊕ and R c = 13.32 −1.41 +1.55 R ⊕ , respectively. We have spectroscopically confirmed the existence of TOI-1130 b, which had previously only been validated. We find that the two planets have orbits with small eccentricities in a 2:1 resonant configuration. This is the first known system with a hot Jupiter and an inner lower mass planet locked in a mean-motion resonance. TOI-1130 belongs to the small, yet growing population of hot Jupiters with an inner low-mass planet that poses a challenge to the pathway scenario for hot Jupiter formation. We also detected a linear RV trend that is possibly due to the presence of an outer massive companion.
Abstract
International audienceAdditional details
Identifiers
- URL
- https://cnrs.hal.science/hal-04797751
- URN
- urn:oai:HAL:hal-04797751v1
Origin repository
- Origin repository
- UNICA