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SAC Seminar - Christian Brinch: Angular momentum misalignment and the role of turbulence in low-mass star formation

Oplysninger om arrangementet


Torsdag 29. september 2016,  kl. 15:00 - 16:00



Recent high angular resolution ALMA observations of the 1.1 mm continuum and of HCO+J=3–2 and HCN J=3–2 gas towards the binary protostar IRS 43 reveal multiple Keplerian disks and outflows which are significantly misaligned, both in inclination and position angle and also with respect to the binary orbital plane. Each stellar component has an associated circumstellar disk while the binary is surrounded by a circumbinary disk. The misalignment in this system suggests that turbulence has likely played a major role in the formation of IRS 43.