Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010apj...709.1407l&link_type=abstract
The Astrophysical Journal, Volume 709, Issue 2, pp. 1407-1411 (2010).
Astronomy and Astrophysics
Astronomy
2
Galaxies: Active, Galaxies: Fundamental Parameters, Quasars: General
Scientific paper
We complied the optical, X-ray, and γ-ray data for 54 Fermi blazars and studied the relationship between the broadband spectral index α ox and α xγ, as well as the relationship between the intrinsic composite spectral indices α xox and αγxγ for this sample. The relationship between α xox and αγxγ reveals that flat spectrum radio quasars and low-energy peaked BL Lacertae follow a continuous trend, which is consistent with previous results, whereas high-energy peaked BL Lacertae follow a separate distinct trend. Even so, a unified scheme is also revealed from α xox -αγxγ diagram when all three subclasses of blazars are considered.
Chen Luo-En
Dai* Hongjie
Li Hua-Zhong
Xie G.-Zh.
Yi Ting-Feng
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