The Lambda Orionis Star Forming Region: a Test for the Universality of the IMF
收藏ESA Earth Online2026-06-22 收录
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We propose observations with XMMEPIC/MOS in five distinct sibling associationsbelonging to the Lambda Orionis Star Forming Region (25 Myr, 340 pc). We havealready optical, nearIR, and Spitzer photometry, and spectroscopy for objectsdown to 0.015 M(sun). The goals are: i) Assess the membership of our candidatesand detect new members. ii) Derive accurate IMFs for each association, checkingthe universality of the IMF. iii) Study the properties and evolution of theXray Luminosity Functions.
