activity
19952008
most citedThe superorbital variability and triple nature of the X-ray source 4U 1820-303

57 citations · 94 across the 5 of their papers we have counts for

collaborators
Showing 1996Show all

1 paper · 1 filter

astro-ph1996

X-rays and gamma-rays from accretion flows onto black holes in Seyferts and X-ray binaries

Andrzej A. Zdziarski, W. Neil Johnson, Juri Poutanen +2

We review observations and theoretical models of X-ray/gamma-ray spectra of radio-quiet Seyfert galaxies and of Galactic black-hole candidates (in the hard spectral state). The obs…