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A long-period (P = 61.8 d) M5V dwarf eclipsing a Sun-like star from TESS and NGTS

Gill, Samuel and Cooke, Benjamin F. and Bayliss, Daniel and Nielsen, Louise D. and Lendl, Monika and Wheatley, Peter J. and Anderson, David R. and Moyano, Maximiliano and Bryant, Edward M. and Acton, Jack S. and Belardi, Claudia and Bouchy, Francois and Burleigh, Matthew R. and Casewell, Sarah L. and Chaushev, Alexander and Goad, Michael R. and Jackman, James A.~G. and Jenkins, James S. and McCormac, James and Günther, Maximilian N. and Osborn, Hugh P. and Pollacco, Don and Raynard, Liam and Smith, Alexis M S and Tilbrook, Rosanna H. and Turner, Oliver and Udry, Stéphane and Vines, Jose I. and Watson, Christopher A. and West, Richard G. (2020) A long-period (P = 61.8 d) M5V dwarf eclipsing a Sun-like star from TESS and NGTS. Monthly Notices of the Royal Astronomical Society, 495 (3), pp. 2713-2719. Oxford University Press. doi: 10.1093/mnras/staa1248. ISSN 0035-8711.

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Official URL: https://academic.oup.com/mnras/article/495/3/2713/5836733

Abstract

The Transiting Exoplanet Survey Satellite has produced a large number of single-transit event candidates which are being monitored by the Next Generation Transit Survey (NGTS). We observed a second epoch for the TIC-231005575 system (Tmag = 12.06 and Teff=5500±85K ) with NGTS and a third epoch with Las Cumbres Observatory's telescope in South Africa to constrain the orbital period ( P=61.777d ). Subsequent radial velocity measurements with CORALIE revealed the transiting object has a mass of M2 = 0.128 ± 0.003 M☉, indicating the system is a G-M binary. The radius of the secondary is R2 = 0.154 ± 0.008 R☉ and is consistent with MESA models of stellar evolution to better than 1σ.

Item URL in elib:https://elib.dlr.de/137255/
Document Type:Article
Title:A long-period (P = 61.8 d) M5V dwarf eclipsing a Sun-like star from TESS and NGTS
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Gill, SamuelDepartment of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Cooke, Benjamin F.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Bayliss, DanielDepartment of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Nielsen, Louise D.Geneva Observatory, University of Geneva, Chemin des Mailettes 51, CH-1290 Versoix, SwitzerlandUNSPECIFIED
Lendl, MonikaObservatoire de Genève, Université de Genève, 51 Ch. des Maillettes, CH-1290 Sauverny, Switzerland; Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, A-8042 Graz, AustriaUNSPECIFIED
Wheatley, Peter J.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Anderson, David R.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Moyano, MaximilianoInstituto de Astronomía, Universidad Católica del Norte, Angamos 0610, 1270709, Antofagasta, ChileUNSPECIFIED
Bryant, Edward M.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Acton, Jack S.School of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UKUNSPECIFIED
Belardi, ClaudiaSchool of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UKUNSPECIFIED
Bouchy, FrancoisObservatoire de Genève, Université de Genève, 51 Ch. des Maillettes, CH-1290 Sauverny, SwitzerlandUNSPECIFIED
Burleigh, Matthew R.School of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UKUNSPECIFIED
Casewell, Sarah L.School of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UKUNSPECIFIED
Chaushev, AlexanderCenter for Astronomy and Astrophysics, TU Berlin, Hardenbergstr. 36, 10623 Berlin, GermanyCenter for Astronomy and Astrophysics, TU Berlin, GermanyUNSPECIFIED
Goad, Michael R.School of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UKUNSPECIFIED
Jackman, James A.~G.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Jenkins, James S.Departamento de Astronomía, Universidad de Chile, Camino El Observatorio 1515, Las Condes, Santiago, Chile; Centro de Astrofísica y Tecnologías Afines (CATA), Casilla 36-D, Santiago, ChileUNSPECIFIED
McCormac, JamesDepartment of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Günther, Maximilian N.Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology Cambridge, MA 02139, USAUNSPECIFIED
Osborn, Hugh P.Department of Physics, and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology Cambridge, MA 02139, USA; NCCR/Planet-S and Centre for Space and Habitability, University of Bern, Bern CH-3012, SwitzerlandUNSPECIFIED
Pollacco, DonDepartment of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Raynard, LiamSchool of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UKUNSPECIFIED
Smith, Alexis M SAlexis.Smith (at) dlr.dehttps://orcid.org/0000-0002-2386-4341
Tilbrook, Rosanna H.School of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UKUNSPECIFIED
Turner, OliverObservatoire de Genève, Université de Genève, 51 Ch. des Maillettes, CH-1290 Sauverny, SwitzerlandUNSPECIFIED
Udry, StéphaneObservatoire de Genève, Université de Genève, 51 Ch. des Maillettes, CH-1290 Sauverny, SwitzerlandUNSPECIFIED
Vines, Jose I.Departamento de Astronomía, Universidad de Chile, Camino El Observatorio 1515, Las Condes, Santiago, ChileUNSPECIFIED
Watson, Christopher A.Astrophysics Research Centre, School of Mathematics and Physics, Queen's University Belfast, BT7 1NN, Belfast, UKUNSPECIFIED
West, Richard G.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UKUNSPECIFIED
Date: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:495
DOI :10.1093/mnras/staa1248
Page Range:pp. 2713-2719
Publisher:Oxford University Press
ISSN:0035-8711
Status:Published
Keywords:binaries: eclipsing, Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary 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 - Projekt COROT Beteiligung (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Extrasolar Planets and Atmospheres
Deposited By: Smith, Dr Alexis M S
Deposited On:06 Nov 2020 11:51
Last Modified:06 Nov 2020 11:51

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