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    • Young stellar objects in NGC 6823 

      Riaz, Basmah; Martin, E.L.; Tata, R.; Monin, J-L; Phan-Bao, Ngoc; Bouy, H. (2011)
      NGC 6823 is a young open cluster that lies at a distance of ∼2 kpc in the Vulpecula OB1 association. Previous studies using CCD photometry and spectroscopy have identified a Trapezium system of bright O- and B-type stars ...