A. Różańska, A. Janiuk & K. Hryniewicz (NCAC, Warsaw)
Bhupendra Mishra (NCAC, Warsaw)
Andrzej Zdziarski (NCAC, Warsaw)
based on: Science, 338, 355 (2012) (arXiv:1210.6132)
Alexis Smith (NCAC, Warsaw)
based on: René Heller and Rory Barnes (Proc. IAU 293, 2012) arXiv:1210.5172
Bożena Czerny (NCAC, Warsaw)
based on Ryu et al. (2012, to appear in PASJ); arXiv:1211.4529