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Shallow transit follow-up from Next-Generation Transit Survey: Simultaneous observations of HD 106315 with 11 identical telescopes

Smith, Alexis M S and Eigmüller, Philipp and Gurumoorthy, Ramanathan and Csizmadia, Szilard and Bayliss, D. and Burleigh, M. and Cabrera Perez, Juan and Casewell, S and Erikson, Anders and Goad, M and Grange, A. and Jenkins, James S. and Pollacco, D. and Rauer, Heike and Raynard, L. and Udry, Stephane and West, R. G. and Wheatley, P. (2020) Shallow transit follow-up from Next-Generation Transit Survey: Simultaneous observations of HD 106315 with 11 identical telescopes. Astronomische Nachrichten, 341 (3), pp. 273-282. Wiley. doi: 10.1002/asna.202013768. ISSN 0004-6337.

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Abstract

The Next Generation Transit Survey (NGTS) is a photometric survey for transiting exoplanets, consisting of 12 identical 0.2-m telescopes. We report a measurement of the transit of HD 106315 c using a novel observing mode in which multiple NGTS telescopes observed the same target, with the aim of increasing the signal-to-noise ratio. Combining the data allows the robust detection of the transit, which has a depth less than 0.1%, rivaling the performance of much larger telescopes. We demonstrate the capability of NGTS to contribute to the follow-up of K2 and Transiting Exoplanet Survey Satellite discoveries using this observing mode. In particular, NGTS is well-suited to the measurement of shallow transits of bright targets. This is particularly important to improve orbital ephemerides of relatively long-period planets, where only a small number of transits are observed from space.

Item URL in elib:https://elib.dlr.de/136412/
Document Type:Article
Title:Shallow transit follow-up from Next-Generation Transit Survey: Simultaneous observations of HD 106315 with 11 identical telescopes
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Smith, Alexis M SAlexis.Smith (at) dlr.dehttps://orcid.org/0000-0002-2386-4341
Eigmüller, PhilippPhilipp.Eigmueller (at) dlr.dehttps://orcid.org/0000-0003-4096-0594
Gurumoorthy, RamanathanInstitut für Planetenforschung, Deutsches Zentrum für Luft- und Raumfahrt (DLR), Berlin, Germany; Faculty of Aerospace Engineering, Delft University of Technology, Delft, The NetherlandsUNSPECIFIED
Csizmadia, Szilardszilard.csizmadia (at) dlr.deUNSPECIFIED
Bayliss, D.Department of Physics, University of Warwick, UKUNSPECIFIED
Burleigh, M.Dept. of Physics and Astronomy, University of Leicester, United KingdomUNSPECIFIED
Cabrera Perez, JuanJuan.Cabrera (at) dlr.dehttps://orcid.org/0000-0001-6653-5487
Casewell, SDepartment of Physics and Astronomy, Leicester Institute of Space and Earth Observation, University of Leicester, University Road, Leicester LE1 7RHUNSPECIFIED
Erikson, Andersanders.erikson (at) dlr.deUNSPECIFIED
Goad, MDepartment of Physics & Astronomy, University of LeicesterUNSPECIFIED
Grange, A.Dept. of Physics and Astronomy, University of Leicester, United KingdomUNSPECIFIED
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
Pollacco, D.Department of Physics, University of Warwick, Coventry CV4 7AL, UKUNSPECIFIED
Rauer, HeikeHeiker.Rauer (at) dlr.deUNSPECIFIED
Raynard, L.Department of Physics and Astronomy, Leicester Institute of Space and Earth Observation, University of Leicester, LE1 7RH, UKUNSPECIFIED
Udry, StephaneObservatoire Astronomique de l'Université de Genève, 51 Ch. des Maillettes, CH-1290 Versoix, SwitzerlandUNSPECIFIED
West, R. G.Department of Physics, University of Warwick, Coventry CV4 7AL, UKUNSPECIFIED
Wheatley, P.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7ALUNSPECIFIED
Date:2020
Journal or Publication Title:Astronomische Nachrichten
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:341
DOI :10.1002/asna.202013768
Page Range:pp. 273-282
Publisher:Wiley
ISSN:0004-6337
Status:Published
Keywords:planetary systems; planets and satellites: HD 106315 c; techniques: photometric; 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
Institute of Planetary Research > Leitungsbereich PF
Deposited By: Smith, Dr Alexis M S
Deposited On:06 Oct 2020 08:21
Last Modified:26 Apr 2021 09:22

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