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Faculté des Sciences
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MASTER THESIS
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An Assessment of K2 Data Quality for the Search for Survivor Exoplanets Around Hot Subdwarfs

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Motte, Mathieu ULiège
Promotor(s) : Van Grootel, Valérie ULiège ; Pozuelos Romero, Francisco José ULiège
Date of defense : 7-Sep-2023/8-Sep-2023 • Permalink : http://hdl.handle.net/2268.2/18687
Details
Title : An Assessment of K2 Data Quality for the Search for Survivor Exoplanets Around Hot Subdwarfs
Translated title : [fr] Une Evaluation de la Qualité des Données K2 pour la Recherche d'Exoplanètes Survivantes Autour de Sous-Naines Chaudes
Author : Motte, Mathieu ULiège
Date of defense  : 7-Sep-2023/8-Sep-2023
Advisor(s) : Van Grootel, Valérie ULiège
Pozuelos Romero, Francisco José ULiège
Committee's member(s) : Gillon, Michaël ULiège
Stalport, Manu ULiège
Bonfond, Bertrand ULiège
Language : English
Number of pages : 105
Keywords : [en] Hot subdwarfs
[en] sdO
[en] sdB
[en] sdOB
[en] EHB
[en] Hot subdwarf
[en] Exoplanet
[en] survivor exoplanets
[en] planetary systems
[en] exoplanetary systems
[en] Kepler mission
[en] K2 mission
[en] EVEREST pipeline
[en] K2sff
[en] SHERLOCK
[en] Injection-and-recovery
[en] MATRIX
[en] EPIC
[en] 212465180
[en] 2145515136
Discipline(s) : Physical, chemical, mathematical & earth Sciences > Space science, astronomy & astrophysics
Target public : Researchers
Professionals of domain
Student
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master en sciences spatiales, à finalité approfondie
Faculty: Master thesis of the Faculté des Sciences

Abstract

[en] Hot subdwarfs are hot and small He-burning objects which experienced strong mass loss on the RGB. Therefore, these stars constitute excellent opportunities for addressing the question of the evolution of exoplanetary systems directly after the RGB phase. In this master thesis, I aimed to evaluate the capacities of K2 data to detect exoplanets around hot subdwarfs by performing injection-and-recovery tests on the K2 light curves corrected by K2sff and EVEREST detrending pipelines. Then, I applied the lesson learnt from those tests by performing an exoplanetary search on 48 K2 targets thanks to the SHERLOCK pipeline.


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Author

  • Motte, Mathieu ULiège Université de Liège > Master sc. spatiales, à fin.

Promotor(s)

Committee's member(s)

  • Gillon, Michaël ULiège Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Exotic
    ORBi View his publications on ORBi
  • Stalport, Manu ULiège Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie
    ORBi View his publications on ORBi
  • Bonfond, Bertrand ULiège Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
    ORBi View his publications on ORBi
  • Total number of views 32
  • Total number of downloads 27










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