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Reverberation in the Narrow Fe Kα Line in the Seyfert Galaxy NGC 4151 with XRISM

  • Authors: Jon M. Miller, Abderahmen Zoghbi, Xin Xiang, Doyee Byun, 도의 변, Missagh Mehdipour, Liyi Gu, Ehud Behar, Laura Brenneman, Elisa Costantini, Luigi Gallo, Matteo Guainazzi, Peter Kosec, Takeo Minezaki, Stephane Paltani

Jon M. Miller et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure 5.

The cross-correlation centroid lag probability distributions that result from running pyCCF with 10,000 Monte Carlo simulations over a range of [-5,10] days (left) and [0,10] days (right). The distribution shown at left verifies that there are no spurious peaks below zero lag. The distribution at right indicates that the BLR component of the Fe Kα line lags the driving continuum by ﹩\tau =3.{5}_{-1.7}^{+2.8}﹩ days. Fully consistent results are obtained by running Javelin instead of pyCCF.

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