A large-scale optical-near infrared survey for brown dwarfs and very low-mass stars in the Orion OB1 association

We report the initial results of a large-scale optical-near infrared survey to extend the known young population of the entire Orion star-forming region down to the substellar domain. Using deep optical I-band photometry and data from the 2MASS survey, we selected candidates across ~14.8 deg^2 in th...

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