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Transit timing vari...
Transit timing variations of AU Microscopii b and c*
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- Szabo, Gy M. (author)
- Eötvös Loránd University (ELTE),Eötvös Loránd University
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- Garai, Z. (author)
- Eötvös Loránd University (ELTE),Slovak Academy of Sciences
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- Brandeker, Alexis (author)
- Stockholms universitet,Institutionen för astronomi
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show more...
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- Gandolfi, D. (author)
- Universita degli Studi di Torino,University of Turin
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- Wilson, T. G. (author)
- University of St Andrews
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- Deline, A. (author)
- Université de Genève,University of Geneva
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- Olofsson, Göran, 1944- (author)
- Stockholms universitet,Institutionen för astronomi
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- Fortier, A. (author)
- Universität Bern,University of Bern
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- Queloz, D. (author)
- University Of Cambridge,Université de Genève,University of Geneva
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- Borsato, L. (author)
- Istituto nazionale di astrofisica (INAF)
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- Kiefer, F. (author)
- Sorbonne Université,Sorbonne University
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- des Etangs, A. Lecavelier (author)
- Sorbonne Université,Sorbonne University
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- Lendl, M. (author)
- Université de Genève,University of Geneva
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- Serrano, L. M. (author)
- Universita degli Studi di Torino,University of Turin
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- Sulis, S. (author)
- Aix-Marseille Université,Aix Marseille University
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- Moll, S. Ulmer (author)
- Université de Genève,University of Geneva
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- Van Grootel, V. (author)
- Universite de Liège,University of Liège
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- Alibert, Y. (author)
- Universität Bern,University of Bern
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- Alonso, R. (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Anglada, G. (author)
- Institut de Ciències de l'Espai (ICE) - CSIC,Institute of Space Sciences (ICE) - CSIC,Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC)
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Barczy, T. (author)
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Barrado Y Navascues, D. (author)
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- Barros, S. C. C. (author)
- Universidade do Porto,University of Porto
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- Baumjohann, W. (author)
- Österreichische Akademie der Wissenschaften,Austrian Academy of Sciences
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- Davies, M.B. (author)
- Lund University,Lunds universitet,Matematik (naturvetenskapliga fakulteten),Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematics (Faculty of Sciences),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Beck, T. (author)
- Universität Bern,University of Bern
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- Benz, W. (author)
- Universität Bern,University of Bern
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- Billot, N. (author)
- Université de Genève,University of Geneva
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- Bonfanti, A. (author)
- Österreichische Akademie der Wissenschaften,Austrian Academy of Sciences
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- Bonfils, X. (author)
- Université Grenoble Alpes,Grenoble Alpes University
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- Broeg, C. (author)
- Universität Bern,University of Bern
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- Cabrera, J. (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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Charnoz, S. (author)
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- Cameron, A. Collier (author)
- University of St Andrews
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- Csizmadia, Sz (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Davies, M. B. (author)
- Lunds universitet,Lund University
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- Deleuil, M. (author)
- Aix-Marseille Université,Aix Marseille University
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- Delrez, L. (author)
- Universite de Liège,University of Liège
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- Demangeon, O. (author)
- Universidade do Porto,University of Porto
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- Demory, B-O (author)
- Universität Bern,University of Bern
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- Ehrenreich, D. (author)
- Université de Genève,University of Geneva
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- Erikson, A. (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Fossati, L. (author)
- Österreichische Akademie der Wissenschaften,Austrian Academy of Sciences
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- Fridlund, Malcolm, 1952 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Gillon, M. (author)
- Universite de Liège,University of Liège
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- Gudel, M. (author)
- Universität Wien,University of Vienna
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- Heng, K. (author)
- Universität Bern,University of Bern,The University of Warwick
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- Hoyer, S. (author)
- Aix-Marseille Université,Aix Marseille University
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- Isaak, K. G. (author)
- European Space Research and Technology Centre (ESA ESTEC)
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- Kiss, L. L. (author)
- Eötvös Loránd University (ELTE),Magyar Tudomanyos Akademia,Hungarian Academy of Sciences
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- Laskar, J. (author)
- Sorbonne Université,Sorbonne University
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- Lovis, C. (author)
- Université de Genève,University of Geneva
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- Magrin, D. (author)
- Istituto nazionale di astrofisica (INAF)
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- Maxted, P. F. L. (author)
- Keele University
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- Mecina, M. (author)
- Universität Wien,University of Vienna
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- Nascimbeni, V (author)
- Istituto nazionale di astrofisica (INAF)
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- Ottensamer, R. (author)
- Universität Wien,University of Vienna
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- Pagano, I (author)
- Istituto nazionale di astrofisica (INAF)
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- Palle, E. (author)
- Instituto de Astrofísica de Canarias
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- Peter, G. (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Piotto, G. (author)
- Istituto nazionale di astrofisica (INAF),Università Degli Studi di Padova,University of Padua
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- Pollacco, D. (author)
- The University of Warwick
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- Ragazzoni, R. (author)
- Università Degli Studi di Padova,University of Padua,Istituto nazionale di astrofisica (INAF)
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- Rando, N. (author)
- European Space Agency (ESA)
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- Rauer, H. (author)
- Technische Universität Berlin,Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR),Freie Universität Berlin
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- Ribas, I (author)
- Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC),Institut de Ciències de l'Espai (ICE) - CSIC,Institute of Space Sciences (ICE) - CSIC
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- Santos, N. C. (author)
- Universidade do Porto,University of Porto
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- Sarajlic, M. (author)
- Universität Bern,University of Bern
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- Scandariato, G. (author)
- Istituto nazionale di astrofisica (INAF)
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- Segransan, D. (author)
- Université de Genève,University of Geneva
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- Simon, A. E. (author)
- Universität Bern,University of Bern
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- Smith, A. M. S. (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Sousa, S. G. (author)
- Universidade do Porto,University of Porto
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- Steller, M. (author)
- Österreichische Akademie der Wissenschaften,Austrian Academy of Sciences
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- Thomas, N. (author)
- Universität Bern,University of Bern
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- Udry, S. (author)
- Université de Genève,University of Geneva
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- Verrecchia, F. (author)
- Osservatorio Astronomico di Roma,Agenzia Spaziale Italiana
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- Walton, N. (author)
- University Of Cambridge
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- Wolter, D. (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR),German Aerospace Center (DLR)
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(creator_code:org_t)
- 2022-03-10
- 2022
- English.
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In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 659
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Abstract
Subject headings
Close
- Here we report large-amplitude transit timing variations (TTVs) for AU Microcopii b and c as detected in combined TESS (2018, 2020) and CHEOPS (2020, 2021) transit observations. AU Mic is a young planetary system with a debris disk and two transiting warm Neptunes. A TTV on the order of several minutes was previously reported for AU Mic b, which was suggested to be an outcome of mutual perturbations between the planets in the system. In 2021, we observed AU Mic b (five transits) and c (three transits) with the CHEOPS space telescope to follow-up the TTV of AU Mic b and possibly detect a TTV for AU Mic c. When analyzing TESS and CHEOPS 2020-2021 measurements together, we find that a prominent TTV emerges with a full span of >= 23 min between the two TTV extrema. Assuming that the period change results from a periodic process -such as mutual perturbations- we demonstrate that the times of transits in the summer of 2022 are expected to be 30-85 min later than predicted by the available linear ephemeris.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- planets and satellites: individual
- planets and satellites: fundamental parameters
- AU Mic b and c
- Planets and satellites: fundamental parameters
- Planets and satellites: individual: AU Mic b and c
- Microwave integrated circuits
- Satellites
- Timing circuits
- Debris disk
- Follow up
- Large amplitude
- Neptune
- Planet and satellite: individual: AU mic b and c
- Planetary system
- Planets and satellites: individual
- Timing variations
- Transit timing
- Planets
Publication and Content Type
- art (subject category)
- ref (subject category)
Find in a library
To the university's database
- By the author/editor
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Szabo, Gy M.
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Garai, Z.
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Brandeker, Alexi ...
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Gandolfi, D.
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Wilson, T. G.
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Deline, A.
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show more...
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Olofsson, Göran, ...
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Fortier, A.
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Queloz, D.
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Borsato, L.
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Kiefer, F.
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des Etangs, A. L ...
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Lendl, M.
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Serrano, L. M.
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Sulis, S.
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Moll, S. Ulmer
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Van Grootel, V.
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Alibert, Y.
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Alonso, R.
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Anglada, G.
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Barczy, T.
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Barrado Y Navasc ...
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Barros, S. C. C.
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Baumjohann, W.
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Davies, M.B.
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Beck, T.
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Benz, W.
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Billot, N.
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Bonfanti, A.
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Bonfils, X.
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Broeg, C.
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Cabrera, J.
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Charnoz, S.
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Cameron, A. Coll ...
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Csizmadia, Sz
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Davies, M. B.
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Deleuil, M.
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Delrez, L.
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Demangeon, O.
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Demory, B-O
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Ehrenreich, D.
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Erikson, A.
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Fossati, L.
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Fridlund, Malcol ...
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Gillon, M.
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Gudel, M.
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Heng, K.
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Hoyer, S.
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Isaak, K. G.
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Kiss, L. L.
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Laskar, J.
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Lovis, C.
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Magrin, D.
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Maxted, P. F. L.
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Mecina, M.
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Nascimbeni, V
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Ottensamer, R.
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Pagano, I
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Palle, E.
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Peter, G.
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Piotto, G.
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Pollacco, D.
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Ragazzoni, R.
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Rando, N.
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Rauer, H.
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Ribas, I
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Santos, N. C.
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Sarajlic, M.
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Scandariato, G.
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Segransan, D.
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Simon, A. E.
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Smith, A. M. S.
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Sousa, S. G.
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Steller, M.
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Thomas, N.
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Udry, S.
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Verrecchia, F.
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Walton, N.
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Wolter, D.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
- Articles in the publication
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Astronomy and As ...
- By the university
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Chalmers University of Technology
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Lund University
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Stockholm University