PIONIER: a 4-telescope visitor instrument at VLTI

B. Lazareff,G. Zins,P. Haguenauer,L. Jocou,P. Kern,R. Millan-Gabet,W. Traub,O. Absil,J. -C. Augereau,M. Benisty,N. Blind,X. Bonfils,P. Bourget,A. Delboulbe,P. Feautrier,M. Germain,P. Gitton,D. Gillier,M. Kiekebusch,J. Kluska,J. Knudstrup,P. Labeye,J. -L. Lizon,J. -L. Monin,Y. Magnard,F. Malbet,D. Maurel,F. Menard,M. Micallef,L. Michaud,G. Montagnier,S. Morel,T. Moulin,K. Perraut,D. Popovic,P. Rabou,S. Rochat,C. Rojas,F. Roussel,A. Roux,E. Stadler,S. Stefl,E. Tatulli,N. Ventura,J.-B. Bouquin,S. Štefl,Jean-Philippe Berger,Dan Popovic,Patrick Rabou,Eric Stadler,Jean-Louis Monin,Pierre Haguenauer,Olivier Absil,R. Millan‐Gabet,Wesley Traub,J.‐C. Augereau,Nicolas Blind,X. Bonfıls,A. Delboulbé,Marie Germain,Jean-Louis Lizon,F. Ménard,Mark Micallef