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Polarization constraints on the X-ray corona in Seyfert Galaxies : MCG-05-23-16
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- Marinucci, A. (author)
- ASI Agenzia Spaziale Italiana, Via Politecn Snc, I-00133 Rome, Italy.
- Muleri, F. (author)
- Dovciak, M. (author)
- show more...
- Bianchi, S. (author)
- Marin, F. (author)
- Matt, G. (author)
- Ursini, F. (author)
- Middei, R. (author)
- Marshall, H. L. (author)
- Baldini, L. (author)
- Barnouin, T. (author)
- Cavero Rodriguez, N. (author)
- De Rosa, A. (author)
- Di Gesu, L. (author)
- Harper, D. (author)
- Ingram, A. (author)
- Karas, V. (author)
- Krawczynski, H. (author)
- Madejski, G. (author)
- Panagiotou, C. (author)
- Petrucci, P. O. (author)
- Podgorny, J. (author)
- Puccetti, S. (author)
- Tombesi, F. (author)
- Zhang, W. (author)
- Agudo, I. (author)
- Antonelli, L. A. (author)
- Bachetti, M. (author)
- Baumgartner, W. H. (author)
- Bellazzini, R. (author)
- Bongiorno, S. D. (author)
- Bonino, R. (author)
- Brez, A. (author)
- Bucciantini, N. (author)
- Capitanio, F. (author)
- Castellano, S. (author)
- Cavazzuti, E. (author)
- Ciprini, S. (author)
- Costa, E. (author)
- Del Monte, E. (author)
- Di Lalla, N. (author)
- Di Marco, A. (author)
- Donnarumma, I. (author)
- Doroshenko, V. (author)
- Ehlert, S. R. (author)
- Enoto, T. (author)
- Evangelista, Y. (author)
- Fabiani, S. (author)
- Ferrazzoli, R. (author)
- Garcia, J. A. (author)
- Gunji, S. (author)
- Hayashida, K. (author)
- Heyl, J. (author)
- Iwakiri, W. (author)
- Jorstad, S. G. (author)
- Kitaguchi, T. (author)
- Kolodziejczak, J. J. (author)
- La Monaca, F. (author)
- Latronico, L. (author)
- Liodakis, I. (author)
- Maldera, S. (author)
- Manfreda, A. (author)
- Marscher, A. P. (author)
- Mitsuishi, I. (author)
- Mizuno, T. (author)
- Ng, C.-Y. (author)
- O'Dell, S. L. (author)
- Omodei, N. (author)
- Oppedisano, C. (author)
- Papitto, A. (author)
- Pavlov, G. G. (author)
- Peirson, A. L. (author)
- Perri, M. (author)
- Pesce-Rollins, M. (author)
- Pilia, M. (author)
- Possenti, A. (author)
- Poutanen, J. (author)
- Ramsey, B. D. (author)
- Rankin, J. (author)
- Ratheesh, A. (author)
- Romani, R. W. (author)
- Sgrs, C. (author)
- Slane, P. (author)
- Soffitta, P. (author)
- Spandre, G. (author)
- Tamagawa, T. (author)
- Tavecchio, F. (author)
- Taverna, R. (author)
- Tawara, Y. (author)
- Tennant, A. F. (author)
- Thomas, N. E. (author)
- Trois, A. (author)
- Tsygankov, S. S. (author)
- Turolla, R. (author)
- Vink, J. (author)
- Weisskopf, M. C. (author)
- Wu, K. (author)
- Xie, F. (author)
- show less...
- ASI Agenzia Spaziale Italiana, Via Politecn Snc, I-00133 Rome, Italy Nordiska institutet för teoretisk fysik (Nordita) (creator_code:org_t)
- 2022-09-29
- 2022
- English.
- In: Monthly notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 516:4, s. 5907-5913
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- We report on the first observation of a radio-quiet active galactic nucleus (AGN) in polarized X-rays: the Seyfert 1.9 galaxy MCG-05-23-16. This source was pointed at with the Imaging X-ray Polarimetry Explorer (IXPE) starting on 2022 May 14 for a net observing time of 486 ks, simultaneously with XMM-Newton (58 ks) and NuSTAR (83 ks). A polarization degree Π smaller than 4.7 per cent (at the 99 per cent confidence level) is derived in the 2–8 keV energy range, where emission is dominated by the primary component ascribed to the hot corona. The broad-band spectrum, inferred from a simultaneous fit to the IXPE, NuSTAR, and XMM-Newton data, is well reproduced by a power law with photon index Γ = 1.85 ± 0.01 and a high-energy cutoff EC = 120 ± 15 keV. A comparison with Monte Carlo simulations shows that a lamp-post and a conical geometry of the corona are consistent with the observed upper limit, a slab geometry is allowed only if the inclination angle of the system is less than 50°.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- galaxies: active
- galaxies: individual: MCG-05-23-16-polarization
- galaxies: Seyfert
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Marinucci, A.
- Muleri, F.
- Dovciak, M.
- Bianchi, S.
- Marin, F.
- Matt, G.
- show more...
- Ursini, F.
- Middei, R.
- Marshall, H. L.
- Baldini, L.
- Barnouin, T.
- Cavero Rodriguez ...
- De Rosa, A.
- Di Gesu, L.
- Harper, D.
- Ingram, A.
- Karas, V.
- Krawczynski, H.
- Madejski, G.
- Panagiotou, C.
- Petrucci, P. O.
- Podgorny, J.
- Puccetti, S.
- Tombesi, F.
- Veledina, Alexan ...
- Zhang, W.
- Agudo, I.
- Antonelli, L. A.
- Bachetti, M.
- Baumgartner, W. ...
- Bellazzini, R.
- Bongiorno, S. D.
- Bonino, R.
- Brez, A.
- Bucciantini, N.
- Capitanio, F.
- Castellano, S.
- Cavazzuti, E.
- Ciprini, S.
- Costa, E.
- Del Monte, E.
- Di Lalla, N.
- Di Marco, A.
- Donnarumma, I.
- Doroshenko, V.
- Ehlert, S. R.
- Enoto, T.
- Evangelista, Y.
- Fabiani, S.
- Ferrazzoli, R.
- Garcia, J. A.
- Gunji, S.
- Hayashida, K.
- Heyl, J.
- Iwakiri, W.
- Jorstad, S. G.
- Kitaguchi, T.
- Kolodziejczak, J ...
- La Monaca, F.
- Latronico, L.
- Liodakis, I.
- Maldera, S.
- Manfreda, A.
- Marscher, A. P.
- Mitsuishi, I.
- Mizuno, T.
- Ng, C.-Y.
- O'Dell, S. L.
- Omodei, N.
- Oppedisano, C.
- Papitto, A.
- Pavlov, G. G.
- Peirson, A. L.
- Perri, M.
- Pesce-Rollins, M ...
- Pilia, M.
- Possenti, A.
- Poutanen, J.
- Ramsey, B. D.
- Rankin, J.
- Ratheesh, A.
- Romani, R. W.
- Sgrs, C.
- Slane, P.
- Soffitta, P.
- Spandre, G.
- Tamagawa, T.
- Tavecchio, F.
- Taverna, R.
- Tawara, Y.
- Tennant, A. F.
- Thomas, N. E.
- Trois, A.
- Tsygankov, S. S.
- Turolla, R.
- Vink, J.
- Weisskopf, M. C.
- Wu, K.
- Xie, F.
- Zane, S.
- show less...
- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Physical Science ...
- and Astronomy Astrop ...
- Articles in the publication
- Monthly notices ...
- By the university
- Stockholm University
- Royal Institute of Technology
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