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Simultaneous TESS and NGTS transit observations of WASP-166 b

Bryant, Edward M. and Bayliss, Daniel and McCormac, James and Wheatley, Peter J. and Acton, Jack S. and Anderson, David R. and Armstrong, David J. and Bouchy, Francois and Belardi, Claudia and Burleigh, Matthew R. and Tilbrook, Rosie H. and Casewell, Sarah L. and Cooke, Benjamin F. and Gill, Samuel and Goad, Michael R. and Jenkins, James S. and Lendl, Monika and Pollacco, Don and Queloz, Didier and Raynard, Liam and Smith, Alexis M S and Vines, Jose I. and West, Richard G. and Udry, Stephane (2020) Simultaneous TESS and NGTS transit observations of WASP-166 b. Monthly Notices of the Royal Astronomical Society, 494 (4), pp. 5872-5881. Oxford University Press. doi: 10.1093/mnras/staa1075. ISSN 0035-8711.

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Official URL: https://academic.oup.com/mnras/article/494/4/5872/5824654

Abstract

We observed a transit of WASP-166 b using nine Next Generation Transit Survey (NGTS) telescopes simultaneously with the Transiting Exoplanet Survey Satellite (TESS) observations of the same transit. We achieved a photometric precision of 152 ppm per 30 min with the nine NGTS telescopes combined, matching the precision reached by TESS for the transit event around this bright (T = 8.87) star. The individual NGTS light-curve noise is found to be dominated by scintillation noise and appears free from any time-correlated noise or any correlation between telescope systems. We fit the NGTS data for TC and Rp/R*. We find TC to be consistent to within 0.25σ of the result from the TESS data, and the difference between the TESS and NGTS measured Rp/R* values is 0.9σ. This experiment shows that multitelescope NGTS photometry can match the precision of TESS for bright stars, and will be a valuable tool in refining the radii and ephemerides for bright TESS candidates and planets. The transit timing achieved will also enable NGTS to measure significant transit timing variations in multiplanet systems.

Item URL in elib:https://elib.dlr.de/137256/
Document Type:Article
Title:Simultaneous TESS and NGTS transit observations of WASP-166 b
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
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
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
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
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
Acton, Jack S.Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, 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
Armstrong, David 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
Bouchy, FrancoisObservatoire de Genève, Université de Genève, 51 Ch. des Maillettes, CH-1290 Sauverny, SwitzerlandUNSPECIFIED
Belardi, ClaudiaDepartment of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UKUNSPECIFIED
Burleigh, Matthew R.Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UKUNSPECIFIED
Tilbrook, Rosie H.Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UKUNSPECIFIED
Casewell, Sarah L.Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, 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
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
Goad, Michael R.Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UKUNSPECIFIED
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
Lendl, MonikaDepartment 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
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
Queloz, DidierCavendish Laboratory, J J Thomson Avenue, Cambridge CB3 0HE, UKUNSPECIFIED
Raynard, LiamDepartment of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH, UKUNSPECIFIED
Smith, Alexis M SAlexis.Smith (at) dlr.dehttps://orcid.org/0000-0002-2386-4341
Vines, Jose I.Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, ChileUNSPECIFIED
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
Udry, StephaneObservatoire de Genève, Université de Genève, 51 Ch. des Maillettes, CH-1290 Sauverny, SwitzerlandUNSPECIFIED
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:494
DOI :10.1093/mnras/staa1075
Page Range:pp. 5872-5881
Publisher:Oxford University Press
ISSN:0035-8711
Status:Published
Keywords:methods: observational, techniques: photometric, planets and satellites: detection, Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for 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 12:25
Last Modified:06 Nov 2020 12:25

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