Star formation history of Canis Major OB1 - II. A bimodal X-ray population revealed by XMM-NewtonT. Santos-Silva, J. Gregorio-Hetem, T. Montmerle, B. Fernandes and B. StelzerA&A, 609 (2018) A127DOI: https://doi.org/10.1051/0004-6361/201730815
