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A 12 DayASCAObservation of the Narrow‐Line Seyfert 1 Galaxy Ton S180: Time‐selected Spectroscopy
2002
Astrophysical Journal
We present an analysis of the X-ray variability properties of the NLS1 galaxy Ton S180, based upon a 12-day continuous ASCA observation. We observe flux variations of a factor of 3.5 in the 0.7-1.3 keV band and 3.9 in the 2-10 keV band.Time-resolved spectroscopy ( 1d sampling) reveals that the broad 'soft hump' component at energies <2 keV shows flux variations on timescales down to 1 day that are well correlated with the photon index and the 2-10 keV band flux. A broad Fe Kα emission is
doi:10.1086/324201
fatcat:6rtxkh2ourd27igyk7ezdo3bny