Disks around FUor-type young eruptive stars with ALMA

Fernando Cruz-Saénz De Miera, Ágnes Kóspál, Péter Ábraham, Hauyu Baobab Liu, Michihiro Takami, Bruce G. Elmegreen, L. Viktor Tóth, Manuel Güdel

Research output: Contribution to journalArticle

Abstract

A long-standing problem of the general paradigm of low-mass star formation is the "luminosity problem": Protostars are less luminous than theoretically predicted. One possible solution is that the accretion process is episodic. FU Orionis-type stars (FUors) are thought to be the visible examples for objects in the high accretion state and it is still debated what physical mechanism triggers the phenomenon. For many of these objects their disk properties are still largely unknown so we conducted a deep, high spatial resolution (down to 20 au) ALMA Band 6 (1.3 mm) dust continuum survey of a sub-sample of known FUors. Here we present preliminary results of our survey, including the mass, size and spectral slope of each disk.

Original languageEnglish
Pages (from-to)369-370
Number of pages2
JournalProceedings of the International Astronomical Union
DOIs
Publication statusAccepted/In press - Jan 1 2020

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Keywords

  • stars: Circumstellar matter
  • stars: Pre-main-sequence
  • techniques: Interferometric

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Astronomy and Astrophysics
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health
  • Space and Planetary Science

Cite this

Cruz-Saénz De Miera, F., Kóspál, Á., Ábraham, P., Liu, H. B., Takami, M., Elmegreen, B. G., Tóth, L. V., & Güdel, M. (Accepted/In press). Disks around FUor-type young eruptive stars with ALMA. Proceedings of the International Astronomical Union, 369-370. https://doi.org/10.1017/S1743921319002242