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CHIPS: The Carina High-contrast Imaging Project of massive Stars

Published online by Cambridge University Press:  28 July 2017

Alan Rainot
Affiliation:
KU Leuven, Belgium
Hugues Sana
Affiliation:
KU Leuven, Belgium
Carlos A. Gomez-Gonzalez
Affiliation:
Université de Liège, Belgium
Olivier Absil
Affiliation:
Université de Liège, Belgium
Philippe DeLorme
Affiliation:
IPAG Grenoble, France
Leonardo Almeida
Affiliation:
Sao Paulo, Brazil
Saida Caballero-Nieves
Affiliation:
FIT Florida, USA
Kaitlin Kratter
Affiliation:
Arizona, USA
Sylvestre Lacour
Affiliation:
Observatoire de Paris, France
Jean-Baptiste Le Bouquin
Affiliation:
IPAG Grenoble, France
Laurent Pueyo
Affiliation:
STScI, Baltimore, USA
Hans Zinnecker
Affiliation:
USRA Sofia, USA Email: alan.rainot@kuleuven.be
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Abstract

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The formation of massive stars remains one of the most intriguing questions in astrophysics today. The main limitations result from the difficulty to obtain direct observational constraints on the formation process itself. In this context, the Carina High-contrast Imaging Project of massive Stars (CHIPS) aims to observe all 80+ O stars in the Carina nebula using the new VLT 2nd-generation extreme-AO instrument SPHERE. This instrument offers unprecedented imaging contrast allowing us to detect the faintest companions around massive stars. These novel observational constraints will help to discriminate between the different formation scenarios by comparing their predictions for companion statistics and properties.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2017 

References

Gomez-Gonzalez, C. A., et al., 2016, A&A, 589, A54 Google Scholar
Maíz Apellániz, J., 2010, A&A, 518, A1 Google Scholar
Sana, H., et al., 2014, AJ, 215, 1 Google Scholar
Sana, H. & Evans, C. J. 2011, IAU Symp. 272 in Active OB Stars: Structure, Evolution, Mass Loss, and Critical Limits, ed. Neiner, C., Wade, G., Meynet, G., & Peters, G. (Cambridge: Cambridge Univ. Press), 474 Google Scholar
Turner, N. H., ten Brummelaar, T. A., Roberts, L. C., et al. 2008, AJ, 136, 554 CrossRefGoogle Scholar
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