88 citations · 146 across the 6 of their papers we have counts for
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astro-ph2006★ 11 cited
The giant star of the symbiotic system YY Her: Rotation, Tidal wave, Solar-type cycle and Spots
Liliana Formiggini, Elia M. Leibowitz
We analyze the historical light curve of the symbiotic star YY Her, from 1890 up to December 2005. A secular declining trend is detected, at a rate of ~.01 magn in 1000 d, suggesti…
astro-ph2006★ 26 cited
Variability and multi-periodic oscillations in the X-ray light curve of the classical nova V4743 Sgr
E. Leibowitz, M. Orio, R. Gonzalez-Riestra +5
The classical nova V4743 Sgr was observed with XMM-Newton for about 10 hours on April 4 2003, 6.5 months after optical maximum. At this time, this nova had become the brightest sup…