Optical and infrared monitoring of BL Lac in 1999–2001
Optical and infrared monitoring of BL Lac in 1999–2001
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DOI:
10.1134/1.1695081
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发表时间:
2004-04
期刊:
影响因子:
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通讯作者:
V. Hagen-Thorn;V. Larionov;E. Larionova;N. Kudryavtseva;A. Tikhonov;A. V. Hagen-Thorn;A. Arkharov;A. Paola;F. D'Alessio
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文献类型:
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作者:
V. Hagen-Thorn;V. Larionov;E. Larionova;N. Kudryavtseva;A. Tikhonov;A. V. Hagen-Thorn;A. Arkharov;A. Paola;F. D'Alessio
We present the results of our multicolor observations of BL Lac in the period 1999–2001. We show that the spectral energy distribution of the variable component in the range fromKtoBhad remained unchanged for three years. The power-law spectrum is indicative of its synchrotron nature.