Magnetism plays an important role during the star formation by regulating angular momentum, fragmentation, and accretion onto the star. In particular we believe it to play a decisive role during the protostellar age via star-disk interaction, and by triggering powerful jets and outflows. In addition, we also believe that nonetheless the convective protostars are able to generate very strong magnetic fields, but are also the birthplace of the stellar magnetic fields. Yet, our knowledge on the magnetic properties in protostars is currently very poor. The Protostellar Magnetism: Heritage vs Evolution (PROMETHEE) project aims at filling this gap by: (i) determining the magnetic properties of a sample of class I protostars with SPIRou and CRIRES+, (ii) modelling the magnetic field of an accreting protostar using realistic prediction of the stellar internal structure, and initial conditions, and (iii) study the protostar-disk interaction using the SPIRou observations, and state-of-the-art models of magnetospheric accretion processes. PROMETHEE will allow to draw for the first time a global picture of stellar magnetism during the protostellar phase. In this poster we will present the funded ANR project that has started on February 1st, the objectives, and the timeline.
[Poster PDF File]