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091099

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DataCite Commons2024-05-16 更新2024-07-13 收录
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http://esdcdoi.esac.esa.int/doi/html/data/astronomy/xmm-newton/091099.html
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资源简介:
We propose to monitor 1ES 2344+514 over seven months with the goal of better understanding its intermittent extreme behaviour. 1ES 2344+514 is a nearby (z=0.044) high energy peaked BL Lac. So far clear extreme behaviour of the source has been observed only in high states. During an X-ray flare in 1996 a shift of the synchrotron peak to frequencies above 3*10**18 Hz was reported. A similarly extreme behaviour was not found in subsequent MWL campaigns during low states thus suggesting the extreme behaviour being a feature of high states. Still the small number of published MWL observations does not allow for a coherent picture of the complex spectral behaviour of 1ES 2344+514. [truncated! Please see actual data for full text]
提供机构:
European Space Agency
创建时间:
2024-05-16
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