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091659

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DataCite Commons2024-12-17 更新2025-04-15 收录
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We propose to monitor 1ES 2344+514 to better understand its intermittent extremestates. 1ES 2344+514 is a nearby BL Lac type object known for behaving as anextremely high-frequency peaked BL Lac object (EHBL) occasionally. During anX-ray flare in 1996 a shift of the synchrotron peak to frequencies above3*10**18 Hz was reported suggesting that the EHBL nature is correlated with theflux level. Still the small number of published MWL observations does not allowfor a coherent picture. In fact thanks to recent Xray observations we organizedin 2020 we reveal an EHBL behaviour during low activity while we also foundstrong flaring periods without EHBL characteristics. [truncated! Please see actual data for full text]
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European Space Agency
创建时间:
2024-12-17
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