- Dr.NicholasWaltonE-Mail
- University of CambridgeInstitute of AstronomyCambridgeUnited Kingdom
- ProfessorConnyAertsE-Mail
- Katholieke Universiteit LeuvenInstituut voor SterrenkundeDepartement Natuurkunde en SterrenkundeLeuvenBelgium
- Dr.AnthonyBrownE-Mail
- Leiden UniversityLeidenNetherlands
- Dr.JosefDurechE-Mail
- Charles University in PragueThe Institute of AstronomyPragueCzech Republic
- Dr.LaurentEyerE-Mail
- Observatoire de GenèveAstronomical ObservatorySauvernySwitzerland
- ProfessorEva K.GrebelE-Mail
- Universität HeidelbergFakultät für Physik und AstronomieZentrum für Astronomie der Universität Heidelberg (ZAH)HeidelbergGermany
- Dr.CarmeJordiE-Mail
- Universitat de BarcelonaFacultat de FisicaDepartament d'Astronomia i MeteorologiaBarcelonaSpain
- Dr.ThomasLebzelterE-Mail
- University of ViennaDepartment of AstronomyViennaAustria
- ProfessorLennartLindegrenE-Mail
- Lund ObservatoryLundSweden
- Dr.FrancoisMignardE-Mail
- Observatoire de la Cote d'AzurLaboratoire CassiopéeNiceFrance
- Dr.AndréMoitinho de AlmeidaE-Mail
- University of LisbonFaculty of SciencesSIM/IDLLisbonPortugal
- Dr.KarriMuinonenE-Mail
- ObservatorioUniversity of HelsinkiObservatory and Astrophysics LaboratoryUniversity of HelsinkiFinland
- Dr.DimitriPourbaixE-Mail
- Université Libre de BruxellesInstitut d'Astronomie et d'AstrophysiqueBruxellesBelgium
- Dr.SofiaRandichE-Mail
- INAF - ArcetriOsservatorio Astrofisico di ArcetriFirenzeItaly
- Dr.TimoPrustiE-Mail
- European Space AgencyESTECNoordwijkNetherlands