The nuclear architecture of NGC 4151: on the path toward a universal outflow mechanism in light of NGC 1068

Autor(es)

May, D. ^[1] ; Steiner, J. E. ^[1] ; Menezes, R. B. ^[2] ; Williams, D. R. A. ^[3] ; Wang, J. ^[4]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Inst Astron Geofis & Ciencias Atmosfer, BR-05508090 Sao Paulo, SP - Brazil

^[2] Univ Fed ABC, Ctr Ciencias Nat & Humans, BR-09210580 Santo Andre, SP - Brazil

^[3] Univ Oxford, Dept Phys, Denys Wilkinson Bldg, Keble Rd, Oxford OX1 3RH - England

^[4] Xiamen Univ, Dept Astron, Xiamen 361005, Fujian - Peoples R China

• Tipo de documento: Artigo Científico
• Fonte: Monthly Notices of the Royal Astronomical Society; v. 496, n. 2, p. 1488-1516, AUG 2020.
• Citações Web of Science: 0

Resumo

We report near-infrared integral field spectroscopic observations of the active galactic nucleus NGC4151 with archive data from the NIFS-Gemini North Telescope. We have selected best-seeing observations (less than or similar to 0.3 arcsec) that, allied to our methodology of image processing techniques, show structures with spatial resolution comparable to those of the HST. The intricate outflow of NGC 4151 is revisited in light of the results found for NGC 1068, in a previous work, and a very similar dynamic is found: the low-velocity {[}Fe II] emission depicts the glowing walls of an hourglass structure, while the high-velocity gas fills its volume. From this finding, we show that the misalignment between the jet and the NLR is not a projection effect, as previously thought. A molecular outflow is detected for the first time in this galaxy and, just like in NGC 1068, the transition between the molecular and the ionized gas phases comes from the fragmentation of molecular cavity walls into bullets of ionized gas exposed to the central source. Furthermore, it is suggestive that the same geometrical dichotomy between the cones seen in NGC 1068 is found here, with one side, where the cavity is disrupted by the AGN, being more extended than the other. Finally, a new spatial correlation between the high-velocity {[}Fe II] and the soft X-ray emission of {[}Ne IX] is found, which is unexpected given the difference between their ionization potentials. (AU)

• Processo FAPESP: 11/51680-6 - Explorando o universo: da formação de galáxias aos planetas tipo-Terra, com o Telescópio Gigante Magellan
• Beneficiário: Laerte Sodré Junior
• Modalidade de apoio: Auxílio à Pesquisa - Projetos Especiais
• Processo FAPESP: 11/19824-8 - Propriedades de núcleos ativos de galáxias observadas no infravermelho próximo com óptica adaptativa
• Beneficiário: Daniel May Nicolazzi
• Modalidade de apoio: Bolsas no Brasil - Doutorado