67 citations · 93 across the 3 of their papers we have counts for
3 papers
astro-ph.IM2018★ 25 cited
ARGOS at the LBT. Binocular laser guided ground layer adaptive optics
S. Rabien, R. Angel, L. Barl +48
Having completed its commissioning phase, the Advanced Rayleigh guided Ground-layer adaptive Optics System (ARGOS) facility is coming online for scientific observations at the Larg…
astro-ph2005★ 67 cited
XMM-Newton View of PKS 2155-304: Characterizing the X-ray Variability Properties with EPIC-PN
Y. H. Zhang, A. Treves, A. Celotti +2
Starting from XMM-Newton EPIC-PN data, we present the X-ray variability characteristics of PKS 2155-304 using a simple analysis of the excess variance, \xs, and of the fractional r…
astro-ph1998★ 1 cited
Long-term Variation of AGNs
J. H. Fan, G. Z. Xie, G. Adam +5
In this paper, we will discuss the long-term variations in the optical and the infrared bands of some AGNs. It is interesting to note that the reported periods of AGNs are of the s…