FAST 发表于 2025-3-27 00:48:58

Long-term optical variability of BL Lac objects,Results of photographic observations of three BL Lac objects: ON 231, ON 325 and RS 4 are presented. Our measurements and previous data were combined to construct light curves extending over the last 20 years. No clear periodic behaviour was found. Some possible correlations of optical data with information available in other bands are discussed.

神经 发表于 2025-3-27 04:12:07

Lecture Notes in Physicshttp://image.papertrans.cn/b/image/180127.jpg

Orgasm 发表于 2025-3-27 07:47:58

https://doi.org/10.1007/BFb0031137BL Lac object; Gravitation; black hole; gravitational lens; gravity; interstellar matter; relativistic jet

Nonthreatening 发表于 2025-3-27 10:13:56

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In-Situ 发表于 2025-3-27 17:01:15

Mark R. Lovell,Stanley S. Smithn bright, core-dominated sources, the effect has been found in sources with different morphologies, core strengths, and identifications. The list of superluminals is still dominated by quasars but it now includes several BL Lac objects.

车床 发表于 2025-3-27 18:44:31

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eulogize 发表于 2025-3-27 23:16:13

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expound 发表于 2025-3-28 04:36:59

https://doi.org/10.1007/978-3-031-15080-7izable sample of objects through detection of weak spectral features, either in emission or in absorption; .) monitoring intensity and profile of the broad emission fines present in selected objects, in order to investigate their correlation with continuum intensity. Preliminary results obtained on

oracle 发表于 2025-3-28 10:11:22

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强所 发表于 2025-3-28 11:38:42

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查看完整版本: Titlebook: BL Lac Objects; Proceedings of a Wor L. Maraschi,T. Maccacaro,M. -H. Ulrich Conference proceedings 1989 Springer-Verlag Berlin Heidelberg 1