Protostellar Disk Eruptions
First Author:
Bringfried Stecklum
Email: stecklum AT tls-tautenburg.de
Thuringian State Observatory
Sternwarte 5
Tautenburg, 07778, Germany
Coauthors:
Abstract
There is mounting evidence that circumstellar disks of YSOs become unstable every now and then, causing outbursts known as FU Ori phenomenon. Such an explosive event will presumably alter the disk and its envelope considerably. Signs of past outburst activity were identified for a few objects. Moreover, indications for an intermittent accretion behavior were found. The eruptions of protostellar disks might have serious implications for planet formation.
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