116 citations · 261 across the 11 of their papers we have counts for
11 papers
Radio and optical intra-day variability observations of five blazars
X. Liu, P. P. Yang, J. Liu +23
We carried out a pilot campaign of radio and optical band intra-day variability (IDV) observations of five blazars (3C66A, S5 0716+714, OJ287, B0925+504, and BL Lacertae) on Decemb…
Two-year monitoring of intra-day variability of quasar 1156+295 at 4.8 GHz
B. -R. Liu, X. Liu, N. Marchili +5
The quasar 1156+295 (4C +29.45) is one of the targets in the Urumqi monitoring program which aimed to search for evidence of annual modulation in the timescales of intra-day variab…
Radio to gamma-ray variability study of blazar S5 0716+714
B. Rani, T. P. Krichbaum, L. Fuhrmann +34
We present the results of a series of radio, optical, X-ray and gamma-ray observations of the BL Lac object S50716+714 carried out between April 2007 and January 2011. The multi-fr…
Intra-day variability observations of S5 0716+714 over 4.5 years at 4.8 GHz
X. Liu, H. -G. Song, N. Marchili +5
We aim to search for evidence of annual modulation in the time scales of the BL Lac object S5 0716+714. The intra-day variability (IDV) observations were carried out monthly from 2…
A seasonal cycle and an abrupt change in the variability characteristics of the intraday variable source S4 0954+65
N. Marchili, T. P. Krichbaum, X. Liu +5
The BLLac object S4 0954+65 is one of the main targets of the Urumqi monitoring program targeting IntraDay Variable (IDV) sources. Between August 2005 and December 2009, the source…
Observations of IntraDay Variable sources with the Effelsberg and Urumqi Radio Telescopes
N. Marchili, T. P. Krichbaum, X. Liu +7
A sample of classical IntraDay Variable (IDV) and IDV candidate sources has been monitored with the Urumqi 25m telescope and the Effelsberg 100m telescope. Aim of the project is to…