Poster (Scientific congresses and symposiums)
Unveiling new stellar companions from the EXOZODI survey : follow up
Marion, Lindsay; Absil, Olivier; Ertel, Steve et al.
2016SPIE conference
 

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Keywords :
Interferometry; companions
Abstract :
[en] In 2012, we have conducted a survey of nearby main sequence stars with VLTI/PIONIER to search for the presence of circumstellar dust. We focused on the use of the closure phases and the square visibilities in a combined way to search for faint companions around the whole sample. In this process, we found four new stellar companions, for which we conducted follow-up observations in 2014. This follow up allows us to confirm the four detections, and to detect another new companion. Only the case of HD202730 remains ambiguous.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Marion, Lindsay ;  Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Absil, Olivier  ;  Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Ertel, Steve
Lebouquin, Jean-Baptiste
Defrere, Denis ;  Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Pearce, Tim
Language :
English
Title :
Unveiling new stellar companions from the EXOZODI survey : follow up
Publication date :
30 June 2016
Event name :
SPIE conference
Event place :
Edinburgh, United Kingdom
Event date :
du 26 juin au 1er juillet
Audience :
International
Available on ORBi :
since 18 August 2016

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