3 citations
Showing astro-phShow all
2 papers · 1 filter
astro-ph2008★ 101 cited
A new activity phase of the blazar 3C 454.3. Multifrequency observations by the WEBT and XMM-Newton in 2007-2008
C. M. Raiteri, M. Villata, V. M. Larionov +2
We present and analyse the WEBT multifrequency observations of 3C 454.3 in the 2007-2008 observing season, including XMM-Newton observations and near-IR spectroscopic monitoring, a…
astro-ph2007★ 3 cited
Eclipsing Binaries with Possible Light-Time Effect
Zasche Petr, Zejda Miloslav, Brat Lubos
The period changes of six eclipsing binaries have been studied with focus on the light-time effect. With the least squares method we also calculated parameters of such an effect an…