Disks around FUor-type young eruptive stars with ALMA

Fernando, Cruz-Saenz de Miera and Kóspál, Ágnes and Ábrahám, Péter and Liu Hauyu, Baobab and Takami, Michihiro (2020) Disks around FUor-type young eruptive stars with ALMA. PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION, 14 (S345). pp. 369-370. ISSN 1743-9213

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Abstract

A long-standing problem of the general paradigm of low-mass star formation is the "luminosity problem": protostars are less luminous tha theoretically predicted. One possible solution is that the accretio process is episodic. FU Orionis-type stars (FUors) are thought to be th visible examples for objects in the high accretion state and it is stil debated what physical mechanism triggers the phenomenon. For many o these objects their disk properties are still largely unknown so w conducted a deep, high spatial resolution (down to 20 au) ALMA Band (1.3 mm) dust continuum survey of a sub-sample of known FUors. Here w present preliminary results of our survey, including the mass, size an spectral slope of each disk

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