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Title: MUSE Reveals Extended Circumnuclear Outflows in the Seyfert 1 NGC 7469
Authors: Robleto Orús, A. C.
Torres Papaqui, J. P.
Longinotti, A. L.
Ortega Minakata, R. A.
Sánchez, S. F.
Ascasibar, Y.
Bellocchi, E.
Galbany, L.
Chow Martínez, M.
Trejo Alonso, J. J.
Morales Vargas, A.
Romero Cruz, F. J.
Keywords: Active galactic nuclei;Galactic winds
Issue Date: 11-Jan-2021
Publisher: IOP Science Publishing
DOI: 10.3847/2041-8213/abd32f
Published version:
Citation: The Astrophysical Journal Letters 906(2): L6(2021)
Abstract: NGC 7469 is a well-known luminous infrared galaxy, with a circumnuclear star formation ring (∼830 pc radius) surrounding a Seyfert 1 active galactic nucleus (AGN). Nuclear unresolved winds were previously detected in X-rays and ultraviolet, as well as an extended biconical outflow in infrared coronal lines. We search for extended outflows by measuring the kinematics of the Hβ and [O iii] λ5007 optical emission lines, in data of the Very Large Telescope/Multi-unit Spectroscopic Explorer integral field spectrograph. We find evidence of two outflow kinematic regimes: one slower regime extending across most of the star formation (SF) ring—possibly driven by the massive SF—and a faster regime (with a maximum velocity of −715 km s−1), only observed in [O iii], in the western region between the AGN and the massive star-forming regions of the ring, likely AGN-driven. This work shows a case where combined AGN/SF feedback can be effectively spatially resolved, opening up a promising path toward a deeper understanding of feedback processes in the central kiloparsec of AGN.
E-ISSN: 2041-8213
ISSN: 2041-8205
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