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astro-ph.HE2014★ 21 cited
The optical variability of SDSS quasars from multi-epoch spectroscopy: I. Results from 60 quasars with six-epoch spectra
Hengxiao Guo, Minfeng Gu
In a sample of 60 quasars selected from Sloan Digital Sky Survey (SDSS) with at least six-epoch spectroscopy, we investigate the variability of emission lines and continuum luminos…
astro-ph.HE2014★ 19 cited
Why are some BL Lacs detected by \fermi, but others not ?
Zhongzu Wu, D. R. Jiang, Minfeng Gu +1
By cross-correlating an archival sample of 170 BL Lacs with 2 year \fermilat AGN sample, we have compiled a sample of 100 BL Lacs with \fermi detection (FBLs), and a sample of 70 n…