sperse
发表于 2025-3-25 06:26:35
Constraints on the Accretion Region in NGC 1275 from VLBA Observations of the Counterjetfar side jets are similar. This was interpreted as the result of free-free absorption in an ionized medium that lies in front of the counterjet but not in front of the near-side jet. An accretion disk or torus has an appropriate geometry to show this effect (for an analysis, see Levinson .., 1995).
Entropion
发表于 2025-3-25 08:31:47
The Environment of OJ 287: Nearby Galaxies and a Long Optical Jet?econd seeing conditions from the whole 1 Jy sample (Stickel et al. 1991) of BL Lac objects. The aims of this study are: 1. to search for very close companions to the BL Lacs, 2. to study the large scale galaxy clustering around the BL Lacs and 3. to study the BL Lac hosts themselves.
盟军
发表于 2025-3-25 12:17:47
https://doi.org/10.1007/978-3-322-85746-0ry made while Jansky was investigating for the Bell Telephone Laboratories the sources of radio interferences with a rotating antenna array operating at about 14 m wavelength. The study of local disturbances was of primary importance in the rapid development of radio communications which had been geared by the Marconi’s discovery.
释放
发表于 2025-3-25 18:10:08
https://doi.org/10.1007/978-3-642-80583-7 was made with the VLBA. The dual-frequency observations identify the core of the radio source, while the multi-epoch observations show the complex structural evolution at a resolution of 0.1 pc. Subluminal motion of ≈ 0.15c is evident. Structural changes are observed on time scales shorter than four months.
刚开始
发表于 2025-3-25 23:29:45
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Asseverate
发表于 2025-3-26 03:15:19
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无法破译
发表于 2025-3-26 07:27:41
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情爱
发表于 2025-3-26 12:27:47
Monitoring the Jet in Centaurus a at 0.1 Parsec Resolution was made with the VLBA. The dual-frequency observations identify the core of the radio source, while the multi-epoch observations show the complex structural evolution at a resolution of 0.1 pc. Subluminal motion of ≈ 0.15c is evident. Structural changes are observed on time scales shorter than four months.
太空
发表于 2025-3-26 14:44:53
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来这真柔软
发表于 2025-3-26 19:24:06
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