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    • The extreme outburst of EX Lup in 2008: Optical spectra and light curve 

      Kóspál, Ágnes; Németh, P.; Ábrahám, Péter; Kun, Mária; Henden, Arne A.; Jones, Albert F. (2008-03-10)
      EX Lup is the prototype of EXors, a class of pre-main sequence eruptive variables, exhibiting unpredictable brightenings lasting some months (Herbig, 1977; Herbig et al., 2001; Herbig, 2007). According to the current ...