Evidence of galaxy interaction in the narrow-line Seyfert 1 galaxy IRAS 17020+4544 seen by NOEMA

• DOI: 10.1093/mnras/staa3626
• Publication Date: 2020-11-19T21:23:34Z
• Authors: Q Salomé; A L Longinotti; Y Krongold; C Feruglio; V Chavushyan; O Vega; S García-Burillo; A Fuente; A Olguín-Iglesias; V M Patiño-Álvarez; I Puerari; A Robleto-Orús
• Keywords: Submillimeter Array

ABSTRACT The narrow-line Seyfert 1 galaxy IRAS 17020+4544 is one of the few sources where both an X-ray ultrafast outflow and a molecular were observed to be consistent with energy conservation. However, less massive has much more modest active galactic nucleus (AGN) luminosity than other examples. Using recent CO(1–0) observations NOrthern Extended Millimeter Array, we characterized gas content host for first time. We found that distributed into apparent central disc 1.1 × 109 M⊙, northern extension located up 8 kpc from centre mass $M_{\mathrm{ H}_2}\sim 10^8\, \mathrm{ M}_\odot$. CO dynamics in reveal not standard spiral galaxy, instead it interacting dwarf object corresponding extension. This interaction possibly triggers high accretion rate on supermassive black hole. Within main which hosts AGN, simple analytical model predicts may lie ring, nuclear region. Such distribution result AGN activity removes or photodissociates region (AGN feedback). Finally, have detected H}_2}=(0.7\!-\!1.2)\times 10^7\, M}_\odot$ projection at location similar velocity reported previous millimetre data obtained by Large Telescope.