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The 2008 outburst of EX Lup - silicate crystals in motion
Attila Juhasz, Cornelis Dullemond, Roy van Boekel +12
EX Lup is the prototype of the EXor class of eruptive young stars. These objects show optical outbursts which are thought to be related to runaway accretion onto the star. In a pre…
Millimeter interferometric observations of FU Orionis-type objects in Cygnus
Ágnes Kóspál
FU Orionis-type objects (FUors) are low-mass young eruptive stars that represent an evolutionary phase characterized by episodic periods of increased accretion rate from the disk t…
Multi-Wavelength Study of the 2008-2009 Outburst of V1647 Ori
D. Garcia-Alvarez, N. J. Wright, J. J. Drake +11
V1647 Ori is a young eruptive variable star, illuminating a reflection nebula (McNeil's Nebula). It underwent an outburst in 2003 before fading back to its pre-outburst brightness…
Near-infrared spectroscopy of EX Lupi in outburst
Á. Kóspál, P. Ábrahám, M. Goto +6
EX Lup is the prototype of the EXor class of young eruptive stars: objects showing repetitive brightenings due to increased accretion from the circumstellar disk to the star. In th…
Disentangling the Environment of the FU Orionis Candidate HBC 722 with Herschel
Joel D. Green, Neal J. Evans, Ágnes Kóspál +16
We analyze the submillimeter emission surrounding the new FU Orionis-type object, HBC 722. We present the first epoch of observations of the active environs of HBC 722, with imagin…