A reflection-dominated X-ray spectrum discovered by ASCA in the Circinus galaxy
- 1 August 1996
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 281 (4) , L69-L73
- https://doi.org/10.1093/mnras/281.4.l69
Abstract
We report the first pointed X-ray observation, made by ASCA, of the nearby Seyfert 2 galaxy in Circinus. The spectrum consists of a very prominent (EW∼2 keV) fluorescent 6.4-keV iron line, a very flat continuum (photon spectral index less than 1) and other lines, including one at ∼7 keV that is probably due, at least in part, to iron K β fluorescent emission. The spectrum is consistent with Compton scattering and fluorescent emission from cold matter illuminated by an obscured active nucleus.Keywords
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