XMM-Newton Proposal 02051503

Details XMM-Newton Proposal 02051503 XMM-Newton Proposal 02051503

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..271s&link_type=abstract

XMM-Newton Proposal ID #02051503

Physics

Fu Ori, V883 Ori, V1057 Cyg, Xmm-Newton Proposal 02051503

Scientific paper

FU Orionis objects (FUors) are a remarkable class of low-mass pre-main-sequence stars that are undergoing disk accretion at very high rates. The classical FUors have all experienced dramatic optical outbursts attributed to a sudden increase in the disk accretion rate. Because of their youth and strong accretion signatures, FUors should be X-ray sources. Surprisingly, X-ray data for FUors are almost nonexistent and little is known about their X-ray attributes. We propose to observe three FUors with XMM-EPIC in order to determine the basic X-ray properties of the class. Our targets include the prototype FU Orionis and the classical FUor V1057 Cyg, which is known to have been a T Tauri star prior to its optical outburst in 1970.

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