Article (Scientific journals)
Limits on the presence of planets in systems with debris discs: HD 92945 and HD 107146
Mesa, D.; Marino, S.; Bonavita, M. et al.
2021In Monthly Notices of the Royal Astronomical Society, 503 (1), p. 1276-1289
 

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Abstract :
[en] Recent observations of resolved cold debris discs at tens of au have revealed that gaps could be a common feature in these Kuiper-belt analogues. Such gaps could be evidence for the presence of planets within the gaps or closer in near the edges of the disc. We present SPHERE observations of HD 92945 and HD 107146, two systems with detected gaps. We constrained the mass of possible companions responsible for the gap to 1-2 MJup for planets located inside the gap and to less than 5 MJup for separations down to 20 au from the host star. These limits allow us to exclude some of the possible configurations of the planetary systems proposed to explain the shape of the discs around these two stars. In order to put tighter limits on the mass at very short separations from the star, where direct-imaging data are less effective, we also combined our data with astrometric measurements from Hipparcos and Gaia and radial-velocity measurements. We were able to limit the separation and the mass of the companion potentially responsible for the proper-motion anomaly of HD 107146 to values of 2-7 au and 2-5 MJup, respectively. © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Mesa, D.;  INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy
Marino, S.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, D-69117, Germany, Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB3 0HA, United Kingdom
Bonavita, M.;  INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy, Supa, Institute for Astronomy, University of Edinburgh, Blackford Hill, Edinburgh, EH9 3HJ, United Kingdom, Centre for Exoplanet Science, University of Edinburgh, Edinburgh, EH9 3HJ, United Kingdom
Lazzoni, C.;  INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy, Dipartimento di Fisica A Astronomia 'G. Galilei', Universit'a di Padova, Via Marzolo, 8, Padova, I-35121, Italy
Fontanive, C.;  INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy, Supa, Institute for Astronomy, University of Edinburgh, Blackford Hill, Edinburgh, EH9 3HJ, United Kingdom, Center for Space and Habitability, University of Bern, Gesellschaftsstrasse 6, Bern, CH-3012, Switzerland
Pérez, S.;  Universidad de Santiago de Chile, Estacion Central, Av. Libertador Bernardo O'Higgins 3363, Santiago, Chile
D'Orazi, V.;  INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy, School of Physics and Astronomy, Monash University, Clayton Campus, VIC 3800, Australia
Desidera, S.;  INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy
Gratton, R.;  INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy
Engler, N.;  Eth Zurich, Institute for Particle Physics and Astrophysics, Wolfgang-Pauli-Strasse 27, Zurich, CH-8093, Switzerland
Henning, T.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, D-69117, Germany
Janson, M.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, D-69117, Germany, Department of Astronomy, Stockholm University, Stockholm, 10691, Sweden
Kral, Q.;  Lesia, Observatoire de Paris, Université Psl, Cnrs, Sorbonne Université, Univ. Paris Diderot, Sorbonne Paris Cité, 5 place Jules Janssen, Meudon, F-92195, France
Langlois, M.;  Univ. Lyon, Univ. Lyon 1, Ens de Lyon, Cnrs, Cral Umr 5574, Saint-Genis-Laval, F-69230, France, Aix Marseille Univ., Cnrs, Cnes, Lam, Marseille, France
Messina, S.;  INAF-Catania Astrophysical Observatory, Via S. Sofia, 78, Catania, I-95123, Italy
Milli, J.;  Univ. Grenoble Alpes, Cnrs, Ipag, Grenoble, F-38000, France
Pawellek, N.;  Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB3 0HA, United Kingdom, Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Konkoly-Thege Miklós út 15-17, Budapest, H-1121, Hungary
Perrot, C.;  Lesia, Observatoire de Paris, Université Psl, Cnrs, Sorbonne Université, Univ. Paris Diderot, Sorbonne Paris Cité, 5 place Jules Janssen, Meudon, F-92195, France, Instituto de Física y Astronomía, Facultad de Ciencias, Universidad de Valparaíso, Av. Gran Bretaña 1111, Playa Ancha, Valparaíso, Chile, Núcleo Milenio Formación Planetaria-NPF, Universidad de Valparaíso, Av. Gran Bretana 1111, Playa Ancha, Valparaíso, Chile
Rigliaco, E.;  INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy
Rickman, E.;  Geneva Observatory, University of Geneva, Chemin des Maillettes 51, Sauverny, CH-1290, Switzerland, European Space Agency (ESA), Esa Office, Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, United States
Squicciarini, V.;  INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy, Dipartimento di Fisica A Astronomia 'G. Galilei', Universit'a di Padova, Via Marzolo, 8, Padova, I-35121, Italy
Vigan, A.;  Aix Marseille Univ., Cnrs, Cnes, Lam, Marseille, France
Wahhaj, Z.;  Aix Marseille Univ., Cnrs, Cnes, Lam, Marseille, France, European Southern Observatory, Alonso de Còrdova 3107, Vitacura, Casilla, Santiago, 19001, Chile
Zurlo, A.;  Aix Marseille Univ., Cnrs, Cnes, Lam, Marseille, France, Nucleo de Astronomia, Facultad de Ingenieria y Ciencias, Universidad Diego Portales, Av. Ejercito 441, Santiago, Chile, Escuela de Ingenieria Industrial, Facultad de Ingenieria y Ciencias, Universidad Diego Portales, Av. Ejercito 441, Santiago, Chile
Boccaletti, A.;  Lesia, Observatoire de Paris, Université Psl, Cnrs, Sorbonne Université, Univ. Paris Diderot, Sorbonne Paris Cité, 5 place Jules Janssen, Meudon, F-92195, France
Bonnefoy, M.;  Univ. Grenoble Alpes, Cnrs, Ipag, Grenoble, F-38000, France
Chauvin, G.;  Univ. Grenoble Alpes, Cnrs, Ipag, Grenoble, F-38000, France, Departamento de Astronomía, Universidad de Chile, Casilla, Santiago, 36-D, Chile
De Caprio, V.;  INAF-Osservatorio Astronomico di Capodimonte, Via Salita Moiariello 16, Napoli, I-80131, Italy
Feldt, M.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, D-69117, Germany
Gluck, L.;  Univ. Grenoble Alpes, Cnrs, Ipag, Grenoble, F-38000, France
Hagelberg, J.;  Geneva Observatory, University of Geneva, Chemin des Maillettes 51, Sauverny, CH-1290, Switzerland
Keppler, M.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, D-69117, Germany
Lagrange, A.-M.;  Univ. Grenoble Alpes, Cnrs, Ipag, Grenoble, F-38000, France
Launhardt, R.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, D-69117, Germany
Maire, Anne-Lise ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > PSILab
Meyer, M.;  Eth Zurich, Institute for Particle Physics and Astrophysics, Wolfgang-Pauli-Strasse 27, Zurich, CH-8093, Switzerland, University of Michigan, Astronomy Department, 1085 S. University Ave., Ann Arbor, MI 48109-1107, United States
Moeller-Nilsson, O.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, D-69117, Germany
Pavlov, A.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, D-69117, Germany
Samland, M.;  Max Planck Institute for Astronomy, Königstuhl 17, Heidelberg, D-69117, Germany, Department of Astronomy, Stockholm University, Stockholm, 10691, Sweden
Schmidt, T.;  Lesia, Observatoire de Paris, Université Psl, Cnrs, Sorbonne Université, Univ. Paris Diderot, Sorbonne Paris Cité, 5 place Jules Janssen, Meudon, F-92195, France
Weber, L.;  Geneva Observatory, University of Geneva, Chemin des Maillettes 51, Sauverny, CH-1290, Switzerland
More authors (31 more) Less
Language :
English
Title :
Limits on the presence of planets in systems with debris discs: HD 92945 and HD 107146
Publication date :
2021
Journal title :
Monthly Notices of the Royal Astronomical Society
ISSN :
0035-8711
eISSN :
1365-2966
Publisher :
Oxford University Press, Oxford, United Kingdom
Volume :
503
Issue :
1
Pages :
1276-1289
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