PIONIER: a status report
J.-B. Le Bouquin, J.-P. Berger, G. Zins, B. Lazareff, L. Jocou, P., Kern, R. Millan-Gabet, W. Traub, P. Haguenauer, O. Absil, J.-C. Augereau, M., Benisty, N. Blind, A. Delboulbe, P. Feautrier, M. Germain, D. Gillier, P., Gitton, M. Kiekebusch, J. Knudstrup, J.-L Lizon
TL;DR
PIONIER is a visitor instrument for VLTI that enhances imaging and sensitivity, delivering scientific data since 2010, with lessons learned from its development and initial results.
Contribution
This paper reports on the design, commissioning, and early scientific results of PIONIER, a new instrument for VLTI with improved capabilities.
Findings
PIONIER has been routinely delivering scientific data since November 2010.
The instrument achieved significant performance improvements over previous systems.
Initial astrophysical results demonstrate its scientific potential.
Abstract
The visitor instrument PIONIER provides VLTI with improved imaging capabilities and sensitivity. The instrument started routinely delivering scientific data in November 2010, that is less than 12 months after being approved by the ESO Science and Technical Committee. We recall the challenges that had to be tackled to design, built and commission PIONIER. We summarize the typical performances and some astrophysical results obtained so far. We conclude this paper by summarizing lessons learned.
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