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TOI-132 b: A short-period planet in the Neptune desert transiting a V = 11.3 G-type star

Díaz, Matías R. and Jenkins, James S. and Gandolfi, Davide and Lopez, Eric D. and Soto, Maritza G. and Cortés-Zuleta, Pía and Berdiñas, Zaira M. and Stassun, Keivan G. and Collins, Karen A. and Vines, JoséI. and Ziegler, Carl and Fridlund, M. and Jensen, Eric L.N. and Murgas, F. and Santerne, Alexandre and Wilson, Paul A. and Esposito, Massimiliano and Hatzes, Artie P. and Johnson, Marshall C. and Lam, K. W. F. and Livingston, John H. and Van Eylen, Vincent and Narita, Norio and Briceño, César and Collins, Kevin I. and Csizmadia, Szilard and Fausnaugh, Michael and Gan, Tianjun and Garcia, Rafael A. and Georgieva, I. and Glidden, Ana and González-Cuesta, Lucía and Jenkins, Jon M. and Latham, David W. and Law, Nicholas M. and Mann, Andrew W. and Mathur, Savita and Mireles, Ismael and Morris, Robert and Palle, Enric and Persson, Carina M. and Ricker, George and Rinehart, Stephen and Rose, Mark E. and Seager, Sara and Smith, Jeffrey C. and Tan, Thiam-Guan and Tokovinin, Andrei and Vanderburg, Andrew and Vanderspek, Roland and Winn, Joshua N. and Yahalomi, Daniel A. (2020) TOI-132 b: A short-period planet in the Neptune desert transiting a V = 11.3 G-type star. Monthly Notices of the Royal Astronomical Society, 493 (1), pp. 973-985. Oxford University Press. doi: 10.1093/mnras/staa277. ISSN 0035-8711.

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Official URL: https://ui.adsabs.harvard.edu/abs/2020MNRAS.493..973D/abstract

Abstract

The Neptune desert is a feature seen in the radius-period plane, whereby a notable dearth of short period, Neptune-like planets is found. Here, we report the Transiting Exoplanet Survey Satellite (TESS) discovery of a new short-period planet in the Neptune desert, orbiting the G-type dwarf TYC 8003-1117-1 (TOI-132). TESS photometry shows transit-like dips at the level of ∼1400 ppm occurring every ∼2.11 d. High-precision radial velocity follow-up with High Accuracy Radial Velocity Planet Searcher confirmed the planetary nature of the transit signal and provided a semi-amplitude radial velocity variation of 11.38 ^{+0.84}_{-0.85} m s-1, which, when combined with the stellar mass of 0.97 ± 0.06 M☉, provides a planetary mass of 22.40^{+1.90}_{-1.92} M⊕. Modelling the TESS light curve returns a planet radius of 3.42^{+0.13}_{-0.14} R⊕, and therefore the planet bulk density is found to be 3.08^{+0.44}_{-0.46} g cm-3. Planet structure models suggest that the bulk of the planet mass is in the form of a rocky core, with an atmospheric mass fraction of 4.3^{+1.2}_{-2.3} per cent. TOI-132 b is a TESS Level 1 Science Requirement candidate, and therefore priority follow-up will allow the search for additional planets in the system, whilst helping to constrain low-mass planet formation and evolution models, particularly valuable for better understanding of the Neptune desert.

Item URL in elib:https://elib.dlr.de/137509/
Document Type:Article
Title:TOI-132 b: A short-period planet in the Neptune desert transiting a V = 11.3 G-type star
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Díaz, Matías R.Departamento de Astronomía, Universidad de Chile, Las Condes, Chile; Centro de Astrofísica y Tecnologías Afines (CATA), Santiago, ChileUNSPECIFIED
Jenkins, James S.Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile; Centro de Astrofísica y Tecnologías Afines (CATA), Casilla 36-D, Santiago, ChileUNSPECIFIED
Gandolfi, DavideDipartimento di Fisica, Universita degli Studi di Torino, via Pietro Giuria 1, I-10125, Torino, Italy ); 0000-0001-8627-9628UNSPECIFIED
Lopez, Eric D.NASA Goddard Space Flight Center, Greenbelt, MD, USAUNSPECIFIED
Soto, Maritza G.School of Physics and Astronomy, Queen Mary University, 327 Mile End Road, London E1 4NS, UKUNSPECIFIED
Cortés-Zuleta, PíaDepartamento de Astronomía, Universidad de Chile, Las Condes, ChileUNSPECIFIED
Berdiñas, Zaira M.Departamento de Astronomía, Universidad de Chile, Las Condes, Chile; Centro de Astrofísica y Tecnologías Afines (CATA), Santiago, ChileUNSPECIFIED
Stassun, Keivan G.Department of Physics and Astronomy, Vanderbilt University, Nashville, TN, USA; Department of Physics, Fisk University, Nashville, TN, USAUNSPECIFIED
Collins, Karen A.Center for Astrophysics, Harvard and Smithsonian, Cambridge, MA, USAUNSPECIFIED
Vines, JoséI.Departamento de Astronomía, Universidad de Chile, Las Condes, Chile; Centro de Astrofísica y Tecnologías Afines (CATA), Santiago, ChileUNSPECIFIED
Ziegler, CarlDunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St George Street, Toronto, ON M5S 3H4, CanadaUNSPECIFIED
Fridlund, M.Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, 439 92 Onsala, Sweden; Leiden Observatory, University of Leiden, PO Box 9513, 2300 RA Leiden, The NetherlandsUNSPECIFIED
Jensen, Eric L.N.Department of Physics & Astronomy, Swarthmore College, Swarthmore,PA 19081, USAUNSPECIFIED
Murgas, F.Instituto de Astrofisica de Canarias (IAC), 38205, La Laguna, Tenerife, Spain; Departamento de Astrofisica, Universidad de La Laguna, 38206, La Laguna, Tenerife, SpainUNSPECIFIED
Santerne, AlexandreAix-Marseille Université, CNRS, CNES, LAM, Marseilles, FranceUNSPECIFIED
Wilson, Paul A.Centre for Exoplanets and Habitability, University of Warwick, Coventry, UK; Department of Physics, University of Warwick, Coventry, UKUNSPECIFIED
Esposito, MassimilianoThuringer Landessternwarte Tautenburg, Sternwarte 5, D-07778 Tautenberg, GermanyUNSPECIFIED
Hatzes, Artie P.Thuringer Landessternwarte Tautenburg, Sternwarte 5, D-07778 Tautenberg, GermanyUNSPECIFIED
Johnson, Marshall C.Department of Astronomy, The Ohio State University, 140 West 18th Ave., Columbus, OH 43210, USAUNSPECIFIED
Lam, K. W. F.Zentrum für Astronomie und Astrophysik, Technische Universität Berlin, Hardenbergstr. 36, D-10623 Berlin, GermanyUNSPECIFIED
Livingston, John H.Department of Astronomy, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan 0000-0002-4881-3620UNSPECIFIED
Van Eylen, VincentDepartment of Astrophysical Sciences, Princeton University, 4 Ivy Lane, Princeton, NJ 08544, USAUNSPECIFIED
Narita, NorioDepartment of Astronomy, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan; Instituto de Astrofisica de Canarias, C/ Via Lactea s/n, E-38205 La Laguna, Spain; Astrobiology Center, NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan ; NationUNSPECIFIED
Briceño, CésarCerro Tololo Inter-American Observatory, Casilla 603, La Serena, ChileUNSPECIFIED
Collins, Kevin I.George Mason University, Fairfax, VA, USAUNSPECIFIED
Csizmadia, Szilardszilard.csizmadia (at) dlr.deUNSPECIFIED
Fausnaugh, MichaelDepartment of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA, USAUNSPECIFIED
Gan, TianjunDepartment of Astronomy and Tsinghua Centre for Astrophysics, Tsinghua University, Beijing, ChinaUNSPECIFIED
Garcia, Rafael A.Laboratoire AIM, CEA/DSM---CNRS---Univ. Paris Diderot - IRFU/SAp, Centre de Saclay, F-91191 Gif-sur-Yvette, FranceUNSPECIFIED
Georgieva, I.Department of Space, Earth and Environment, Onsala Space Observatory, Chalmers University of Technology, SE-439 92, Onsala, SwedenUNSPECIFIED
Glidden, AnaMIT Kavli Institute for Astrophysics and Space Research, MassachusettsInstitute of Technology, 77 Massachusetts Avenue, 37-241, Cambridge, MA02139, USAUNSPECIFIED
González-Cuesta, LucíaInstituto de Astrof ́ısica de Canarias, V ́ıa L ́actea s/n, E-38205 La Laguna,Tenerife, SpainUNSPECIFIED
Jenkins, Jon M.NASA Ames Research Center, Moffett Field, CA, USAUNSPECIFIED
Latham, David W.Center for Astrophysics, Harvard & Smithsonian, 60 Garden St, Cambridge, MA 02138, USAUNSPECIFIED
Law, Nicholas M.Department of Physics and Astronomy, University of North Carolina atChapel Hill, Chapel Hill, NC 27599-3255, USAUNSPECIFIED
Mann, Andrew W.Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USAUNSPECIFIED
Mathur, SavitaInstituto de Astrofisica de Canarias, C/ Via Lactea s/n, E-38205 La Laguna, Spain; Departamento de Astrofisica, Universidad de La Laguna, E-38206 La Laguna, SpainUNSPECIFIED
Mireles, IsmaelMIT Kavli Institute for Astrophysics and Space Research, MassachusettsInstitute of Technology, 77 Massachusetts Avenue, 37-241, Cambridge, MA02139, USAUNSPECIFIED
Morris, RobertNASA Ames Research Center, Moffett Field, CA 94035, USA; SETI Institute, 189 Bernardo Ave., Suite 200, Mountain View, CA 94043, USAUNSPECIFIED
Palle, EnricInstituto de Astrofisica de Canarias, C/ Via Lactea s/n, E-38205 La Laguna, Spain; Departamento de Astrofisica, Universidad de La Laguna, E-38206 La Laguna, SpainUNSPECIFIED
Persson, Carina M.Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, SE-439 92 Onsala, SwedenUNSPECIFIED
Ricker, GeorgeDepartment of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USAUNSPECIFIED
Rinehart, StephenNASA Goddard Space Flight Center, Greenbelt, 20771 MD, USAUNSPECIFIED
Rose, Mark E.NASA Ames Research Center, Moffet Field, CA 94035, USAUNSPECIFIED
Seager, SaraDepartment of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA, USA; Department of Earth and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USAUNSPECIFIED
Smith, Jeffrey C.NASA Ames Research Center, Moffet Field, CA 94035, USAUNSPECIFIED
Tan, Thiam-GuanPerth Exoplanet Survey Telescope, Perth, Western Australia, AustraliaUNSPECIFIED
Tokovinin, AndreiCerro Tololo Inter-American Observatory, Casilla 603, La Serena, ChileUNSPECIFIED
Vanderburg, AndrewDepartment of Astronomy, The University of Texas at Austin, 2515Speedway, Stop C1400 Austin, TX 78712-1205, USAUNSPECIFIED
Vanderspek, RolandDepartment of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USAUNSPECIFIED
Winn, Joshua N.Department of Astrophysical Sciences, Princeton University, Princeton, NJ, USAUNSPECIFIED
Yahalomi, Daniel A.Center for Astrophysics|Harvard & Smithsonian, 60 Garden Street,Cambridge, MA 02138, USAUNSPECIFIED
Date:March 2020
Journal or Publication Title:Monthly Notices of the Royal Astronomical Society
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:493
DOI :10.1093/mnras/staa277
Page Range:pp. 973-985
Publisher:Oxford University Press
ISSN:0035-8711
Status:Published
Keywords:techniques: photometric, techniques: radial velocities, planets and satellites: fundamental parameters, planetary systems, Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project PLATO (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Extrasolar Planets and Atmospheres
Institute of Planetary Research > Leitungsbereich PF
Deposited By: Csizmadia, Szilard
Deposited On:16 Nov 2020 13:32
Last Modified:16 Nov 2020 13:32

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