Consortium of Swiss Academic Libraries

Studying the long-time variability of the Seyfert 2 galaxy NGC 4388 with INTEGRAL and Swift

Fedorova, E. V. ; Beckmann, V. ; Neronov, A. ; Soldi, S.

In: Monthly Notices of the Royal Astronomical Society, 2011, vol. 417, no. 2, p. 1140-1147

Consortium of Swiss Academic Libraries

Extreme flux states of NGC 4151 observed with INTEGRAL

Lubiński, P. ; Zdziarski, A. A. ; Walter, R. ; Paltani, S. ; Beckmann, V. ; Soldi, S. ; Ferrigno, C. ; Courvoisier, T. J.-L

In: Monthly Notices of the Royal Astronomical Society, 2010, vol. 408, no. 3, p. 1851-1865