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Search: WFRF:(Conti David V) > Chalmers University of Technology > TOI-836: A super-Ea...

TOI-836: A super-Earth and mini-Neptune transiting a nearby K-dwarf

Hawthorn, F. (author)
The University of Warwick,University of Warwick
Davies, M.B. (author)
Lund University,Lunds universitet,Matematik (naturvetenskapliga fakulteten),Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,LU profilområde: Naturlig och artificiell kognition,Lunds universitets profilområden,Mathematics (Faculty of Sciences),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH,LU Profile Area: Natural and Artificial Cognition,Lund University Profile areas
Wilson, T.G. (author)
University of St Andrews
show more...
Bonfanti, A. (author)
Adibekyan, V. (author)
Universidade do Porto,University of Porto
Alibert, Y. (author)
Universität Bern,University of Bern
Sousa, S. G. (author)
Universidade do Porto,University of Porto
Collins, K. A. (author)
Harvard-Smithsonian Center for Astrophysics
Bryant, E. (author)
The University of Warwick
Osborn, A. (author)
The University of Warwick
Armstrong, D. J. (author)
The University of Warwick
Abe, L. (author)
Observatoire de la Cote d'Azur
Acton, J.S. (author)
University Of Leicester
Addison, Brett C (author)
University of Southern Queensland
Agabi, Karim (author)
Observatoire de la Cote d'Azur
Alonso, R. (author)
Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
Alves, Douglas R. (author)
Universidad de Chile (UCH),University of Chile (UCH)
Anglada Escude´, 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)
Bárczy, T. (author)
Barclay, Thomas (author)
University of Maryland,NASA Goddard Space Flight Center
Barrado, D. (author)
Centro de Astrobiologia (CAB)
Barros, S.C.C. (author)
Universidade do Porto,University of Porto
Baumjohann, W. (author)
Bendjoya, Philippe (author)
Observatoire de la Cote d'Azur
Benz, W. (author)
Universität Bern,University of Bern
Bieryla, Allyson (author)
Harvard-Smithsonian Center for Astrophysics
Bonfils, X. (author)
Bouchy, François (author)
Université de Genève,University of Geneva
Brandeker, A. (author)
Stockholms universitet,Stockholm University
Broeg, C. (author)
Universität Bern,University of Bern
Brown, David J.A. (author)
The University of Warwick
Burleigh, Matt (author)
University Of Leicester
Buttu, M. (author)
Cabrera, Juan (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
Caldwell, D. A. (author)
NASA Ames Research Center
Casewell, Sarah (author)
University Of Leicester
Charbonneau, D. (author)
Harvard-Smithsonian Center for Astrophysics
Charnoz, S. (author)
Institut de Physique du Globe de Paris
Cloutier, R. (author)
Harvard-Smithsonian Center for Astrophysics
Cameron, A. Collier (author)
University of St Andrews
Collins, K. I. (author)
George Mason University
Conti, D. (author)
Crouzet, N. (author)
European Space Research and Technology Centre (ESA ESTEC)
Czismadia, Szilárd (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
Davies, M. B. (author)
Lunds universitet,Lund University
Deleuil, M. (author)
Laboratoire d'Astrophysique de Marseille
Delgado Mena, E. (author)
Universidade do Porto,University of Porto
Delrez, L. (author)
Universite de Liège,University of Liège
Demangeon, O. (author)
Universidade do Porto,University of Porto
Demory, B.O. (author)
Universität Bern,University of Bern
Dransfield, Georgina (author)
University of Birmingham
Dumusque, X. (author)
Université de Genève,University of Geneva
Egger, J. A. (author)
Universität Bern,University of Bern
Ehrenreich, D. (author)
Université de Genève,University of Geneva
Eigmüller, P. (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
Erickson, Anders (author)
Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
Essack, Zahra (author)
Massachusetts Institute of Technology (MIT)
Fortier, A. (author)
Universität Bern,University of Bern
Fossati, L. (author)
Fridlund, Malcolm, 1952 (author)
Universiteit Leiden (UL),Leiden University (UL),Chalmers tekniska högskola,Chalmers University of Technology
Günther, Maximilian N. (author)
European Space Research and Technology Centre (ESA ESTEC)
Gudel, M. (author)
Universität Wien,University of Vienna
Gandolfi, D. (author)
Universita degli Studi di Torino,University of Turin
Gillard, Harvey (author)
The University of Warwick
Gillon, Michaël (author)
Universite de Liège,University of Liège
Gnilka, Crystal (author)
National Aeronautics and Space Administration (NASA),NASA Ames Research Center
Goad, M.R. (author)
University Of Leicester
Goeke, Robert (author)
Massachusetts Institute of Technology (MIT)
Guillot, T. (author)
Observatoire de la Cote d'Azur
Hadjigeorghiou, A. (author)
The University of Warwick
Hellier, Coel (author)
Keele University
Henderson, B. (author)
University Of Leicester
Heng, Kevin (author)
Universität Bern,University of Bern,The University of Warwick
Hooton, M.J. (author)
University Of Cambridge,Universität Bern,University of Bern
Horne, Keith (author)
University of St Andrews
Howell, S. B. (author)
NASA Ames Research Center
Hoyer, S. (author)
Laboratoire d'Astrophysique de Marseille
Irwin, J. M. (author)
Harvard-Smithsonian Center for Astrophysics
Jenkins, James S. (author)
Universidad Diego Portales,Diego Portales University,Centro de Astrofísica y Tecnologías Afines (CATA),
Jenkins, Jon M. (author)
NASA Ames Research Center
Jensen, Eric L.N. (author)
Swarthmore College
Kane, S. R. (author)
University of California
Kendall, Alicia (author)
University Of Leicester
Kielkopf, J. F. (author)
University of Louisville
Kiss, L.L. (author)
Eötvös Loránd University (ELTE),Magyar Tudomanyos Akademia,Hungarian Academy of Sciences
Lacedelli, G. (author)
Istituto nazionale di astrofisica (INAF)
Laskar, J. (author)
Observatoire de Paris,Paris Observatory
Latham, D. W. (author)
Harvard-Smithsonian Center for Astrophysics
des Etangs, A. L. (author)
Institut d 'Astrophysique de Paris
Leleu, A. (author)
Universität Bern,University of Bern,Université de Genève,University of Geneva
Lendl, M. (author)
Université de Genève,University of Geneva
Lillo-Box, J. (author)
Centro de Astrobiologia (CAB)
Lovis, C. (author)
Université de Genève,University of Geneva
Mékarnia, Djamel (author)
Observatoire de la Cote d'Azur
Massey, Bob (author)
Masters, Tamzin (author)
The University of Warwick
Maxted, P. (author)
Keele University
Nascimbeni, Valerio (author)
Istituto nazionale di astrofisica (INAF)
Nielsen, L. D. (author)
European Southern Observatory (ESO)
O’Brien, Sean M. (author)
Queen's University Belfast
Zhang, H. (author)
Shanghai Astronomical Observatory, Chinese Academy of Sciences
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 (creator_code:org_t)
et al 
2023-02-09
2023
English.
In: Monthly Notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 520:3, s. 3649-3668
  • Journal article (peer-reviewed)
Abstract Subject headings
Close  
  • We present the discovery of two exoplanets transiting TOI-836 (TIC 440887364) using data from TESS Sector 11 and Sector 38. TOI-836 is a bright (T = 8.5 mag), high proper motion (∼200 mas yr−1), low metallicity ([Fe/H]≈−0.28) K-dwarf with a mass of 0.68 ± 0.05 M and a radius of 0.67 ± 0.01 R. We obtain photometric follow-up observations with a variety of facilities, and we use these data sets to determine that the inner planet, TOI-836 b, is a 1.70 ± 0.07 R super-Earth in a 3.82-d orbit, placing it directly within the so-called ‘radius valley’. The outer planet, TOI-836 c, is a 2.59 ± 0.09 R mini-Neptune in an 8.60-d orbit. Radial velocity measurements reveal that TOI-836 b has a mass of 4.5 ± 0.9 M, while TOI-836 c has a mass of 9.6 ± 2.6 M. Photometric observations show Transit Timing Variations (TTVs) on the order of 20 min for TOI-836 c, although there are no detectable TTVs for TOI-836 b. The TTVs of planet TOI-836 c may be caused by an undetected exterior planet.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

stars: individual: TOI-836 (TIC 440887364, GAIA EDR3 6230733559097425152)
techniques: radial velocities
planets and satellites: detection
techniques: photometric
planets and satellites: detection
stars: individual: TOI-836 (TIC 440887364, GAIA EDR3 6230733559097425152)
techniques: photometric
techniques: radial velocities
Earth (planet)
Photometry
Planets
Satellites
Exo-planets
Neptune
Photometrics
Planets and satellites: detections
Star: individual: TOI-836 (TIC 440887364, GAIA EDR3 6230733559097425152)
Stars: individual: proxima Centauri
Techniques: photometric
Techniques: radial velocities
Timing variations
Transit timing
Orbits

Publication and Content Type

art (subject category)
ref (subject category)

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By the author/editor
Hawthorn, F.
Davies, M.B.
Wilson, T.G.
Bonfanti, A.
Adibekyan, V.
Alibert, Y.
show more...
Sousa, S. G.
Collins, K. A.
Bryant, E.
Osborn, A.
Armstrong, D. J.
Abe, L.
Acton, J.S.
Addison, Brett C
Agabi, Karim
Alonso, R.
Alves, Douglas R ...
Anglada Escude&a ...
Bárczy, T.
Barclay, Thomas
Barrado, D.
Barros, S.C.C.
Baumjohann, W.
Bendjoya, Philip ...
Benz, W.
Bieryla, Allyson
Bonfils, X.
Bouchy, François
Brandeker, A.
Broeg, C.
Brown, David J.A ...
Burleigh, Matt
Buttu, M.
Cabrera, Juan
Caldwell, D. A.
Casewell, Sarah
Charbonneau, D.
Charnoz, S.
Cloutier, R.
Cameron, A. Coll ...
Collins, K. I.
Conti, D.
Crouzet, N.
Czismadia, Szilá ...
Davies, M. B.
Deleuil, M.
Delgado Mena, E.
Delrez, L.
Demangeon, O.
Demory, B.O.
Dransfield, Geor ...
Dumusque, X.
Egger, J. A.
Ehrenreich, D.
Eigmüller, P.
Erickson, Anders
Essack, Zahra
Fortier, A.
Fossati, L.
Fridlund, Malcol ...
Günther, Maximil ...
Gudel, M.
Gandolfi, D.
Gillard, Harvey
Gillon, Michaël
Gnilka, Crystal
Goad, M.R.
Goeke, Robert
Guillot, T.
Hadjigeorghiou, ...
Hellier, Coel
Henderson, B.
Heng, Kevin
Hooton, M.J.
Horne, Keith
Howell, S. B.
Hoyer, S.
Irwin, J. M.
Jenkins, James S ...
Jenkins, Jon M.
Jensen, Eric L.N ...
Kane, S. R.
Kendall, Alicia
Kielkopf, J. F.
Kiss, L.L.
Lacedelli, G.
Laskar, J.
Latham, D. W.
des Etangs, A. L ...
Leleu, A.
Lendl, M.
Lillo-Box, J.
Lovis, C.
Mékarnia, Djamel
Massey, Bob
Masters, Tamzin
Maxted, P.
Nascimbeni, Vale ...
Nielsen, L. D.
O’Brien, Sean M.
Zhang, H.
show less...
About the subject
NATURAL SCIENCES
NATURAL SCIENCES
and Physical Science ...
and Astronomy Astrop ...
Articles in the publication
Monthly Notices ...
By the university
Chalmers University of Technology
Lund University

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