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OJ~287: a new BH mass estimate of the secondary
Lev Titarchuk, Elena Seifina, Chris Shrader
We presented a study of outburst activity in the BL Lacertae source OJ~287, observed extensively with the X-ray telescope (XRT) onboard Neil Gehrels Swift Observatory. We demonstra…
GRO J1008-57: an (almost) predictable transient X-ray binary
M. Kühnel, S. Müller, I. Kreykenbohm +13
A study of archival RXTE, Swift, and Suzaku pointed observations of the transient high mass X-ray binary GRO J1008-57 is presented. A new orbital ephemeris based on pulse arrival t…
Fermi Large Area Telescope Second Source Catalog
LAT Collaboration
We present the second catalog of high-energy gamma-ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fe…
AGN variability at hard X-rays
S. Soldi, G. Ponti, V. Beckmann +1
We present preliminary results on the variability properties of AGN above 20 keV in order to show the potential of the INTEGRAL IBIS/ISGRI and Swift/BAT instruments for hard X-ray…
Fermi Large Area Telescope Bright Gamma-ray Source List
A. A. Abdo
Following its launch in June 2008, the Fermi Gamma-ray Space Telescope (Fermi) began a sky survey in August. The Large Area Telescope (LAT) on Fermi in 3 months produced a deeper a…