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Optical monitoring of BL Lac object S5 0716+714 and FSRQ 3C273 from 2000 to 2014
Yu-Hai Yuan, Jun-hui Fan, Jun Tao +5
Using the 1.56m telescope at the Shanghai Observatory (ShAO), China, we monitored two sources, BL Lac object S5 0716+714 and Flat Spectrum Radio Quasar (FSRQ) 3C 273. For S5 0716+7…
The Ratio of the Core to the Extended Emissions in the Comoving Frame for Blazars
Yun-Tian Li, Shao-Yu Fu, Huan-Jian Feng +5
In a two-component jet model, the emissions are the sum of the core and extended emissions: , with the core emissions, $S_{\r…
The Variability and Period Analysis for the BL Lac AO 0235+164
J. H. Fan, O. Kurtanidze, Y. Liu +12
Variability is one of the extreme observational properties of BL Lacertae objects. AO 0235+164 is a well studied BL Lac through the whole electro-magnetic wavebands. In the present…
3FHL: The Third Catalog of Hard Fermi-LAT Sources
LAT Collaboration
We present a catalog of sources detected above 10 GeV by the Fermi Large Area Telescope (LAT) in the first 7 years of data using the Pass 8 event-level analysis. This is the Third…
Search for extended sources in the Galactic Plane using 6 years of Fermi-Large Area Telescope Pass 8 data above 10 GeV
The Fermi LAT Collaboration, M. Ackermann, M. Ajello +117
The spatial extension of a gamma-ray source is an essential ingredient to determine its spectral properties as well as its potential multi-wavelength counterpart. The capability to…