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Double, triple and quadruple-line spectroscopic binary candidates within the Gaia-ESO Survey

Published online by Cambridge University Press:  07 March 2018

Thibault Merle ,
Sophie Van Eck ,
Alain Jorissen ,
Mathieu Van der Swaelmen ,
Gregor Traven  and
Tomaz Zwitter
Thibault Merle
Affiliation:
Institut d'Astronomie et d'Astrophysique, Université Libre de Bruxelles CP 226, boulevard du Triomphe, B-1050 Brussels, Belgium email: thibault.merle@ulb.ac.be
Sophie Van Eck
Affiliation:
Institut d'Astronomie et d'Astrophysique, Université Libre de Bruxelles CP 226, boulevard du Triomphe, B-1050 Brussels, Belgium email: thibault.merle@ulb.ac.be
Alain Jorissen
Affiliation:
Institut d'Astronomie et d'Astrophysique, Université Libre de Bruxelles CP 226, boulevard du Triomphe, B-1050 Brussels, Belgium email: thibault.merle@ulb.ac.be
Mathieu Van der Swaelmen
Affiliation:
Institut d'Astronomie et d'Astrophysique, Université Libre de Bruxelles CP 226, boulevard du Triomphe, B-1050 Brussels, Belgium email: thibault.merle@ulb.ac.be
Gregor Traven
Affiliation:
Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000, Ljubljana, Slovenia
Tomaz Zwitter
Affiliation:
Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000, Ljubljana, Slovenia
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Abstract

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The Gaia-ESO Survey (GES, Gilmore et al. 2012) provides a unique opportunity to detect spectroscopically multiplicity among different populations of the Galaxy using the cross-correlation functions (CCFs). We present here the GES internal Data Release 4 (iDR4) results of the detection of double, triple and quadruple-line spectroscopic binary candidates (SBs) and discuss some peculiar systems.

Keywords

(stars:) binaries: spectroscopictechniques: radial velocitiestechniques: spectroscopicmethods: data analysissurveyscatalogs
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S330: Astrometry and Astrophysics in the Gaia sky , April 2017 , pp. 329 - 330
Copyright
Copyright © International Astronomical Union 2018 

References

Gilmore, G., Randich, S. Asplund et al. 2012 The Messenger, 147, 25 Google Scholar
Holmberg, J., Nordström, B., & Andersen, J. 2009 A&A, 501, 941 Google Scholar
Jorissen, A., Frankowski, A., Famaey, B., & Van Eck, S. 2009 A&A, 498, 489 Google Scholar
Matijevič, G., Zwitter, T., Munari, U. et al. 2010 AJ, 140, 184 Google Scholar
Merle, T., Van Eck, Jorissen A., Van der Swaelmen, M. et al. submitted to A&A Google Scholar
Mermilliod, J.-C., Andersen, J., Latham, D. W., & Mayor, M. 2007 A&A, 473, 829 Google Scholar