爱社交
发表于 2025-3-23 12:57:52
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纵火
发表于 2025-3-23 15:48:22
The 6C Surveyy, which was the first trial of aperture synthesis using the earth’s rotation, and much more is now technically possible. One of the most interesting features of a low frequency survey is its ability to detect preferentially sources with steep radio spectra and to be sensitive to sources of very low
肌肉
发表于 2025-3-23 21:25:11
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EXUDE
发表于 2025-3-24 00:00:03
Spectra of Southern Radio Sourcesle, since the sources stronger than 0.35 Jy cover 3.5 sr. It is also a representative sample, since no selection was made on the basis of spectral index or identification. It cannot however be claimed as a complete sample, for two reasons. A substantial fraction of sources found in radio surveys at
虚假
发表于 2025-3-24 04:48:35
Spectral Index Studies of Extragalactic Radio Sourcesexpected if one considers that the red-shift and luminosity distributions of a source sample vary with selection frequency and flux density limit. Intrinsic or induced correlations between spectral index and redshift or luminosity, or different redshift distributions of flat-and steep-spectrum sourc
OCTO
发表于 2025-3-24 08:21:52
Book 1977ensitive for gravitational waves with A ~ ct The fluctuations ~; due to these waves have scale ~ 0. 03 GW rec 4 radian. If, according to modern observations, we take ~; < 10- , then 8 26 ~GW/Ey < 10- for those gravitational waves which have A = 5. 10 cm GW today where Ey is the energy density of rel
AMOR
发表于 2025-3-24 11:14:56
P. Katgert,L. Padrielli,J. K. Katgert,A. G. Willis
纹章
发表于 2025-3-24 16:45:08
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Meditative
发表于 2025-3-24 22:00:50
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腼腆
发表于 2025-3-25 03:06:51
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