Skopal, A; Pribulla, T; Budaj, Jan; Vittone, A A; Errico, L; Wolf, M; Otsuka, M; Chrastina, M; Mikulasek, Z
We present the development of collimated bipolar jets from the symbiotic prototype Z And that appeared and disappeared during its 2006 outburst. We monitored the outburst with optical high-resolution spectroscopy and multicolor UBVRC photometry. In 2006 July, Z And reached its historical maximum at U 8.0. After 1 mag decline in mid-August, it kept its brightness at a high level of U 9 up to 2007 January. During this period, rapid photometric variations with Δm 0.06 mag on the timescale of hours...[Show more]
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