耀变体的六年BeppoSAX观测：光谱目录
Six years of BeppoSAX observations of blazars: a spectral catalog
摘要：
我们提出了一个光谱目录的基础上BeppoSAX档案的耀变体。该样本包括44个高能峰值BL Lac（HBL），14个低能峰值BL Lac（LBL）和28个平坦频谱射电类星体（FSRQ）。共分析了168个LECS，MECS和PDS光谱，对应于1996- 2002年期间的观测结果。0.1- 50 keV的连续的LBLs和FSRQs通常由一个单一的幂律与银河柱密度拟合。LBL（25%）和FSRQs（15%）的少数观测结果最适合更复杂的模型，如破幂律或连续弯曲的抛物线。这些后者的模型也提供了最好的描述的一半的HBL光谱。对于通量F_{2-10 keV} > 10^-11 cm-2 s-1的源（对应于具有较高信噪比的光谱），更经常需要复杂模型。因此，考虑到通量高于此阈值的源，需要这些模型的光谱的百分比对于所有类别都增加。我们注意到，在一侧的HBL和另一侧的LBLs和FSRQs之间存在X射线光谱性质的净分离，LBLs和FSRQs之间的区别更加模糊。这很可能与这两个类别的光学分类中的模糊性有关。
英文摘要：
We present a spectral catalog for blazars based on the BeppoSAX archive. The sample includes 44 High-energy peaked BL Lacs (HBLs), 14 Low-energy peaked BL Lacs (LBLs), and 28 Flat Spectrum Radio Quasars (FSRQs). A total of 168 LECS, MECS, and PDS spectra were analyzed, corresponding to observations taken in the period 1996--2002. The 0.1--50 keV continuum of LBLs and FSRQs is generally fitted by a single power law with Galactic column density. A minority of the observations of LBLs (25%) and FSRQs (15%) is best fitted by more complex models like the broken power law or the continuously curved parabola. These latter models provide also the best description for half of the HBL spectra. Complex models are more frequently required for sources with fluxes F_{2-10 keV} > 10^-11 cm-2 s-1, corresponding to spectra with higher signal-to-noise ratio. As a result, considering sources with flux above this threshold, the percentage of spectra requiring those models increases for all the classes. We note that there is a net separation of X-ray spectral properties between HBLs on one side, and LBLs and FSRQs on the other, the distinction between LBLs and FSRQs is more blurry. This is most likely related to ambiguities in the optical classification of the two classes.
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