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  Torus constraints in ANEPD-CXO245: A Compton-thick AGN with double-peaked narrow lines

Miyaji, T., Herrera-Endoqui, M., Krumpe, M., Hanzawa, M., Shogaki, A., Matsuura, S., et al. (2019). Torus constraints in ANEPD-CXO245: A Compton-thick AGN with double-peaked narrow lines. The Astrophysical Journal Letters, 884(1): L10. doi:10.3847/2041-8213/ab46bc.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-961C-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-961D-2
Genre: Journal Article

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 Creators:
Miyaji, Takamitsu, Author
Herrera-Endoqui, Martín, Author
Krumpe, Mirko, Author
Hanzawa, Masaki, Author
Shogaki, Ayano, Author
Matsuura, Shuji, Author
Tanimoto, Atsushi, Author
Ueda, Yoshihiro, Author
Ishigaki, Tsuyoshi, Author
Barrufet, Laia, Author
Brunner, Hermann1, Author              
Matsuhara, Hideo, Author
Goto, Tomotsugu, Author
Takagi, Toshinobu, Author
Pearson, Chris, Author
Burgarella, Denis, Author
Oi, Nagisa, Author
Malkan, Matthew, Author
Toba, Yoshiki, Author
White, Glenn J., Author
Hanami, Hitoshi, Author more..
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: We report on the torus constraints of the Compton-thick active galactic nucleus (AGN) with double-peaked optical narrow-line region emission lines, ANEPD-CXO245, at z = 0.449 in the AKARI NEP Deep Field. The unique infrared data on this field, including those from the nine-band photometry over 2–24 μm with the AKARI Infrared Camera, and the X-ray spectrum from Chandra allow us to constrain torus parameters such as the torus optical depth, X-ray absorbing column, torus angular width (σ), and viewing angle (i). We analyze the X-ray spectrum as well as the UV–optical–infrared spectral energy distribution (UOI-SED) with clumpy torus models in X-ray (XCLUMPY) and infrared (CLUMPY), respectively. From our current data, the constraints on σ–i from both X-rays and UOI show that the line of sight crosses the torus as expected for a type 2 AGN. We obtain a small X-ray scattering fraction (<0.1%), which suggests narrow torus openings, giving preference to the bipolar outflow picture of the double-peaked profile. Comparing the optical depth of the torus from the UOI-SED and the absorbing column density N H from the X-ray spectrum, we find that the gas-to-dust ratio is ≳ 4 times larger than the Galactic value.

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 Dates: 2019-10-07
 Publication Status: Published online
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 Identifiers: DOI: 10.3847/2041-8213/ab46bc
Other: LOCALID: 3190812
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Title: The Astrophysical Journal Letters
  Other : Astrophys. J. Lett.
Source Genre: Journal
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Publ. Info: Chicago, IL : University of Chicago Press for the American Astronomical Society
Pages: - Volume / Issue: 884 (1) Sequence Number: L10 Start / End Page: - Identifier: ISSN: 2041-8205
CoNE: https://pure.mpg.de/cone/journals/resource/954922828215