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The OLED Project - Lunar Occultations of Double Stars
JOA 2026, Vol. 16, No. 3, Page 26 Author(s): E. Velasco, Ph. Laurent,Abstract: We present the OLED project (OLED = Occultations Lunaires d’Étoiles Doubles (fr) or Occultaciones Lunares de Estrellas Dobles (es)) to the IOTA community as a coordinated effort involving several dozen observers distributed across western and central Europe, with the goal to increase efforts to record lunar occultations of double stars. The project has been active for more than three years now and has so far collected over 600 contact measurements, including observations of both single and double stars. The reduction and analysis of these observations have already produced a substantial number of astrometric measurements. Our objective is to collect, analyse, and exploit these data to confirm stellar duplicity, derive accurate astrometric solutions, and contribute to orbital determination studies. The project is open to observers throughout Europe and worldwide, and seeks to revitalise lunar occultation observing, an area of renewed interest within IOTA/ES.