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arxiv: 1502.04384 · v1 · pith:7TN6PTGGnew · submitted 2015-02-15 · 🌌 astro-ph.HE

Finding AGN in Deep X-ray Flux States with Swift

Dirk Grupe (Morehead State) , S. Komossa (MPIfR) , Mason Bush , Chelsea Pruett , Sonny Ernst , Taylor Barber , Jen Carter (Morehead State) , Norbert Schartel
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Pedro Rodriguez Maria Santos-Lle\'o (XMM-Newton ESOC)
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classification 🌌 astro-ph.HE
keywords fluxswiftobservationsx-raydeepfindingstatesvery
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We report on our ongoing project of finding Active Galactic Nuclei (AGN) that go into deep X-ray flux states detected by Swift. Swift is performing an extensive study on the flux and spectral variability of AGN using Guest Investigator and team fill-in programs followed by triggering XMM_Newton for deeper follow-up observations. So far this program has been very successful and has led to a number of XMM-Newton follow up observations, including Mkn 335, PG 0844+349, and RX J2340.8-5329. Recent analysis of new Swift AGN observations reveal several AGN went into a very low X-ray flux state, particularly Narrow-Line Seyfert 1 galaxies. One of these is RX J2317-4422, which dropped by a factor of about 60 when compared to the ROSAT All-Sky Survey.

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