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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 11511naa a2201585 4500 | |
| 001 | oai:research.chalmers.se:43f8e8dc-864e-4752-ba15-b04e83d69e8d | |
| 003 | SwePub | |
| 008 | 230323s2023 | |||||||||||000 ||eng| | |
| 009 | oai:lup.lub.lu.se:acc74be8-cd9e-4ef3-95bb-0db8b2515707 | |
| 009 | oai:DiVA.org:su-216323 | |
| 024 | 7 | a https://doi.org/10.1051/0004-6361/2022451042 DOI |
| 024 | 7 | a https://research.chalmers.se/publication/5350432 URI |
| 024 | 7 | a https://lup.lub.lu.se/record/acc74be8-cd9e-4ef3-95bb-0db8b25157072 URI |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-2163232 URI |
| 040 | a (SwePub)cthd (SwePub)lud (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Kiefer, F.u Institut d 'Astrophysique de Paris,Observatoire de Paris,Paris Observatory,Paris-Sorbonne University4 aut |
| 245 | 1 0 | a Hint of an exocomet transit in the CHEOPS light curve of HD 172555 |
| 264 | c 2023-03-01 | |
| 264 | 1 | b EDP Sciences,c 2023 |
| 338 | a electronic2 rdacarrier | |
| 520 | a HD 172555 is a young (∼20 Myr) A7V star surrounded by a 10 au wide debris disk suspected to be replenished partly by collisions between large planetesimals. Small evaporating transiting bodies, that is exocomets, have also been detected in this system by spectroscopy. After β Pictoris, this is another example of a system possibly witnessing a phase of the heavy bombardment of planetesimals. In such a system, small bodies trace dynamical evolution processes. We aim to constrain their dust content by using transit photometry. We performed a 2-day-long photometric monitoring of HD 172555 with the CHEOPS space telescope in order to detect shallow transits of exocomets with a typical expected duration of a few hours. The large oscillations in the light curve indicate that HD 172555 is a δ Scuti pulsating star. After removing those dominating oscillations, we found a hint of a transient absorption. If fitted with an exocomet transit model, it would correspond to an evaporating body passing near the star at a distance of 6.8±1.4R∗ (or 0.05±0.01 au) with a radius of 2.5 km. These properties are comparable to those of the exocomets already found in this system using spectroscopy, as well as those found in the β Pic system. The nuclei of the Solar System's Jupiter family comets, with radii of 2-6 km, are also comparable in size. This is the first piece of evidence of an exocomet photometric transit detection in the young system of HD 172555. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Fysikx Atom- och molekylfysik och optik0 (SwePub)103022 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Atom and Molecular Physics and Optics0 (SwePub)103022 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Fysikx Annan fysik0 (SwePub)103992 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Other Physics Topics0 (SwePub)103992 hsv//eng |
| 653 | a Comets: general | |
| 653 | a Stars: variables: δ Scuti | |
| 653 | a Circumstellar matter | |
| 653 | a Stars: individual: HD 172555 | |
| 653 | a Techniques: photometric | |
| 653 | a Circumstellar matter | |
| 653 | a Comets: general | |
| 653 | a Stars: individual: HD 172555 | |
| 653 | a Stars: variables: δ Scuti | |
| 653 | a Techniques: photometric | |
| 653 | a Comets | |
| 653 | a Photometry | |
| 653 | a Circumstellar matters | |
| 653 | a Debris disk | |
| 653 | a Light curves | |
| 653 | a Pictoris | |
| 653 | a Star: variable: δ scuti | |
| 653 | a Stars: Individual: HD 172555 | |
| 653 | a Stars: variables | |
| 653 | a δ Scuti | |
| 653 | a Stars | |
| 700 | 1 | a Van Grootel, V.u Universite de Liège,University of Liège4 aut |
| 700 | 1 | a des Etangs, A. L.u Institut d 'Astrophysique de Paris4 aut |
| 700 | 1 | a Szabó, Gy M.u Eötvös Loránd University (ELTE)4 aut |
| 700 | 1 | a Brandeker, Alexisu Stockholms universitet,Institutionen för astronomi4 aut0 (Swepub:su)alexis |
| 700 | 1 | a Broeg, C.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Collier Cameron, A.u University of St Andrews4 aut |
| 700 | 1 | a Deline, A.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Olofsson, Göran,d 1944-u Stockholms universitet,Institutionen för astronomi4 aut0 (Swepub:su)olofsson |
| 700 | 1 | a Wilson, T. G.u University of St Andrews4 aut |
| 700 | 1 | a Sousa, S. G.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Gandolfi, D.u Universita degli Studi di Torino,University of Turin4 aut |
| 700 | 1 | a Hebrard, G.u Institut d 'Astrophysique de Paris,Observatoire de Haute-Provence4 aut |
| 700 | 1 | a Alibert, Y.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Alonso, R.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut |
| 700 | 1 | a Anglada, G.u 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)4 aut |
| 700 | 1 | a Bárczy, T.4 aut |
| 700 | 1 | a Davies, M.B.u 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 areas4 aut0 (Swepub:lu)astr-mda |
| 700 | 1 | a Barros, S. C.C.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Baumjohann, W.4 aut |
| 700 | 1 | a Beck, M.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Beck, T.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Benz, W.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Billot, N.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Bonfils, X.4 aut |
| 700 | 1 | a Cabrera, J.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Charnoz, S.u Institut de Physique du Globe de Paris4 aut |
| 700 | 1 | a Csizmadia, Szilardu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Davies, M. B.u Lunds universitet,Lund University4 aut |
| 700 | 1 | a Deleuil, M.u Laboratoire d'Astrophysique de Marseille4 aut |
| 700 | 1 | a Delrez, L.u Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Demangeon, O.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Demory, B.O.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Ehrenreich, D.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Erikson, Andersu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Fortier, A.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Fossati, L.4 aut |
| 700 | 1 | a Fridlund, Malcolm,d 1952u Chalmers tekniska högskola,Chalmers University of Technology,Universiteit Leiden (UL),Leiden University (UL)4 aut0 (Swepub:cth)malfri |
| 700 | 1 | a Gillon, Michaëlu Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Gudel, M.u Universität Wien,University of Vienna4 aut |
| 700 | 1 | a Heng, Kevinu Universität Bern,University of Bern,The University of Warwick4 aut |
| 700 | 1 | a Hoyer, S.u Laboratoire d'Astrophysique de Marseille4 aut |
| 700 | 1 | a Isaak, K.u European Space Research and Technology Centre (ESA ESTEC)4 aut |
| 700 | 1 | a Kiss, L.L.u Eötvös Loránd University (ELTE),Magyar Tudomanyos Akademia,Hungarian Academy of Sciences4 aut |
| 700 | 1 | a Laskar, J.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Lendl, M.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Lovis, C.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Magrin, D.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Maxted, P.u Keele University4 aut |
| 700 | 1 | a Munari, M.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Nascimbeni, Valeriou Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Ottensamer, R.u Universität Wien,University of Vienna4 aut |
| 700 | 1 | a Pagano, I.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Palle, E.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Peter, G.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Piazza, D.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Piotto, Giampaolo P.u Istituto nazionale di astrofisica (INAF),Università Degli Studi di Padova,University of Padua4 aut |
| 700 | 1 | a Pollacco, D.u The University of Warwick4 aut |
| 700 | 1 | a Queloz, D.u University Of Cambridge,Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)4 aut |
| 700 | 1 | a Ragazzoni, Robertou Istituto nazionale di astrofisica (INAF),Università Degli Studi di Padova,University of Padua4 aut |
| 700 | 1 | a Rando, N.u European Space Research and Technology Centre (ESA ESTEC)4 aut |
| 700 | 1 | a Ratti, F.u European Space Research and Technology Centre (ESA ESTEC)4 aut |
| 700 | 1 | a Rauer, H.u Freie Universität Berlin,Technische Universität Berlin,Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Reimers, C.u Universität Wien,University of Vienna4 aut |
| 700 | 1 | a Ribas, I.u 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) - CSIC4 aut |
| 700 | 1 | a Santos, N. C.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Scandariato, Gaetanou Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Segransan, D.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Simon, A.E.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Smith, A. M.S.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Steller, Manfred B.4 aut |
| 700 | 1 | a Thomas, N.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Udry, S.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Walter, I.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Walton, N. A.u University Of Cambridge,University of Cambridge4 aut |
| 710 | 2 | a Institut d 'Astrophysique de Parisb Observatoire de Paris4 org |
| 773 | 0 | t Astronomy and Astrophysicsd : EDP Sciencesg 671q 671x 0004-6361x 1432-0746 |
| 856 | 4 | u https://research.chalmers.se/publication/535043/file/535043_Fulltext.pdfx primaryx freey FULLTEXT |
| 856 | 4 | u http://dx.doi.org/10.1051/0004-6361/202245104x freey FULLTEXT |
| 856 | 4 | u https://doi.org/10.1051/0004-6361/202245104y Fulltext |
| 856 | 4 8 | u https://doi.org/10.1051/0004-6361/202245104 |
| 856 | 4 8 | u https://research.chalmers.se/publication/535043 |
| 856 | 4 8 | u https://lup.lub.lu.se/record/acc74be8-cd9e-4ef3-95bb-0db8b2515707 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-216323 |
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