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Connection between X-Ray and Optical Variability in NGC 4151
DOI: 10.1007/BF00627090
Bibcode: 1994Ap&SS.222..157O
Oknyanskij, V. L.
We have used long light curves in the X-ray (ARIEL V, EXOSAT, Ginga and others), UV (IUE), and optical (data of intensive ground-based monitoring) ranges of NGC 4151 to investigate connections between variations in these spectral fields. Applying Fourier (CLEAN algorithm) and modern cross-correlation analysis, we revealed the different character o…
1994
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Astrophysics and Space Science
Exosat
IUE
9