Abstract
Original language | English |
---|---|
Pages (from-to) | 1113-1138 |
Number of pages | 26 |
Journal | Monthly Notices of the Royal Astronomical Society |
Volume | 524 |
Issue number | 1 |
DOIs | |
State | Published - Sep 1 2023 |
ASJC Scopus Subject Areas
- Astronomy and Astrophysics
- Space and Planetary Science
Keywords
- planets and satellites: detection
- planets and satellites: formation
- planets and satellites: gaseous planets
- stars: individual: TOI-2000 (TIC 371188886)
- techniques: photometric
- techniques: radial velocities
Access to Document
Other files and links
Cite this
- APA
- Standard
- Harvard
- Vancouver
- Author
- BIBTEX
- RIS
In: Monthly Notices of the Royal Astronomical Society, Vol. 524, No. 1, 01.09.2023, p. 1113-1138.
Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - TESS spots a mini- interior to a hot saturn in the TOI-2000 system
AU - Sha, Lizhou
AU - Vanderburg, Andrew M.
AU - Huang, Chelsea X.
AU - Armstrong, David J.
AU - Brahm, Rafael
AU - Giacalone, Steven
AU - Wood, Mackenna L.
AU - Collins, Karen A.
AU - Nielsen, Louise D.
AU - Hobson, Melissa J.
AU - Ziegler, Carl
AU - Howell, Steve B.
AU - Torres-Miranda, Pascal
AU - Mann, Andrew W.
AU - Zhou, George
AU - Delgado-Mena, Elisa
AU - Rojas, Felipe I.
AU - Abe, Lyu
AU - Trifonov, Trifon
AU - Adibekyan, Vardan
AU - Sousa, Srgio G.
AU - Fajardo-Acosta, Sergio B.
AU - Guillot, Tristan
AU - Howard, Saburo
AU - Littlefield, Colin
AU - Hawthorn, Faith
AU - Schmider, François Xavier
AU - Eberhardt, Jan
AU - Tan, Thiam Guan
AU - Osborn, Ares
AU - Schwarz, Richard P.
AU - Strøm, Paul
AU - Jordán, Andrs
AU - Wang, Gavin
AU - Henning, Thomas
AU - Massey, Bob
AU - Law, Nicholas
AU - Stockdale, Chris
AU - Furlan, Elise
AU - Srdoc, Gregor
AU - Wheatley, Peter J.
AU - Barrado Navascus, David
AU - Lissauer, Jack J.
AU - Stassun, Keivan G.
AU - Ricker, George R.
AU - Vanderspek, Roland K.
AU - Latham, David W.
AU - Winn, Joshua N.
AU - Seager, Sara
AU - Jenkins, Jon M.
AU - Barclay, Thomas
AU - Bouma, Luke G.
AU - Christiansen, Jessie L.
AU - Guerrero, Natalia
AU - Rose, Mark E.
N1 - Funding Information: TG and SH acknowledge support from the Programme National de Planétologie. Funding Information: Some of the observations in the paper made use of the High-Resolution Imaging instrument Zorro obtained under Gemini LLP Proposal Number: GN/S-2021A-LP-105. Zorro was funded by the NASA Exoplanet Exploration Program and built at the NASA Ames Research Center by Steve B. Howell, Nic Scott, Elliott P. Horch, and Emmett Quigley. Zorro was mounted on the Gemini South telescope of the international Gemini Observatory, a programme of NSF’s OIR Lab, which is managed by the Association of Universities for Research in Astronomy (AURA) under a cooperative agreement with the National Science Foundation (NSF) on behalf of the Gemini partnership: the National Science Foundation (United States), National Research Council (Canada), Agencia Nacional de Investigación y Desarrollo (ANID, Chile), Ministerio de Ciencia, Tecnología e Innovación (Argentina), Ministério da Ciência, Tecnologia, Inovações e Comunicações (Brazil), and Korea Astronomy and Space Science Institute (Republic of Korea). Funding Information: RB, AJ, and MH acknowledge support from ANID Millennium Science Initiative ICN12_009. AJ acknowledges additional support from FONDECYT project 1210718. RB acknowledges support from FONDECYT Project 11200751. Funding Information: This work makes use of observations from the ASTEP telescope. ASTEP benefited from the support of the French and Italian polar agencies Institut polaire français Paul-Émile Victor (IPEV) and the Programma Nazionale di Ricerche in Antartide (PNRA) in the framework of the Concordia station programme. Funding Information: DJA is supported by UK Research & Innovation (UKRI) through the Science and Technology Facilities Council (STFC) (ST/R00384X/1) and the Engineering and Physical Sciences Research Council (EPSRC) (EP/X027562/1). Funding Information: TT acknowledges support by the DFG Research Unit FOR 2544 ‘Blue Planets around Red Stars’ project no. KU 3625/2-1. TT further acknowledges support by the Bulgarian National Science Fund (BNSF) programme ‘VIHREN-2021’ project no. KP-06-DV/5. Funding Information: We acknowledge the support from Fundação para a Ciência e a Tecnologia (FCT) through national funds and from FEDER through COMPETE2020 by the following grants: UIDB/04434/2020 & UIDP/04434/2020. EDM acknowledges the support from FCT through Stimulus FCT contract 2021.01294.CEECIND. SGS acknowledges the support from FCT through Investigador FCT contract nr.CEECIND/00826/2018 and POPH/FSE (EC). VA acknowledges the support from FCT through the 2022.06962.PTDC grant. Funding Information: CXH and GZ acknowledge the support of the Australian Research Council Discovery Early Career Researcher Award (ARC DECRA) programmes DE200101840 and DE210101893, respectively. Funding Information: This work makes use of observations from the LCOGT network. Part of the LCOGT telescope time was granted by NOIRLab through the Mid-Scale Innovations Program (MSIP). MSIP is funded by NSF. Publisher Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society.
PY - 2023/9/1
Y1 - 2023/9/1
N2 - Hot jupiters are typically solitary around their stars, but a few have inner companion planets. Such companions provide insights into the formation history of hot jupiters. However, less is known about inner companions to hot Saturn-mass planets. The TOI-2000 system has been discovered, consisting of a hot Saturn-mass planet and a smaller inner companion. Specifically, TOI-2000 b is a mini-neptune in a 3.10-day orbit, while TOI-2000 c, the hot Saturn, is in a 9.13-day orbit. Both planets orbit the star TOI-2000, a metal-rich G dwarf located 173 pc away. The planets were observed by TESS and confirmed using various ground-based instruments. A new method using MIST stellar evolutionary tracks through Hamiltonian Monte Carlo was utilized, proving more efficient than the traditional method. Given their bright host star, both planets are prime candidates for atmospheric study by the JWST, which could reveal if they formed simultaneously or if TOI-2000 c influenced the formation of TOI-2000 b during migration.
AB - Hot jupiters are typically solitary around their stars, but a few have inner companion planets. Such companions provide insights into the formation history of hot jupiters. However, less is known about inner companions to hot Saturn-mass planets. The TOI-2000 system has been discovered, consisting of a hot Saturn-mass planet and a smaller inner companion. Specifically, TOI-2000 b is a mini-neptune in a 3.10-day orbit, while TOI-2000 c, the hot Saturn, is in a 9.13-day orbit. Both planets orbit the star TOI-2000, a metal-rich G dwarf located 173 pc away. The planets were observed by TESS and confirmed using various ground-based instruments. A new method using MIST stellar evolutionary tracks through Hamiltonian Monte Carlo was utilized, proving more efficient than the traditional method. Given their bright host star, both planets are prime candidates for atmospheric study by the JWST, which could reveal if they formed simultaneously or if TOI-2000 c influenced the formation of TOI-2000 b during migration.
KW - planets and satellites: detection
KW - planets and satellites: formation
KW - planets and satellites: gaseous planets
KW - stars: individual: TOI-2000 (TIC 371188886)
KW - techniques: photometric
KW - techniques: radial velocities
UR - http://www.scopus.com/inward/record.url?scp=85163815148&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85163815148&partnerID=8YFLogxK
U2 - 10.1093/mnras/stad1666
DO - 10.1093/mnras/stad1666
M3 - Article
AN - SCOPUS:85163815148
SN - 0035-8711
VL - 524
SP - 1113
EP - 1138
JO - Monthly Notices of the Royal Astronomical Society
JF - Monthly Notices of the Royal Astronomical Society
IS - 1
ER -