Výsledky vyhledávání - "Schönell Júnior, Astor João"

Dissertation/ Thesis

A distribuição e cinemática do gás em mrk766 vistas em detalhes a partir de observações no infravermelho

Publikováno v: Repositório Institucional da UFSMUniversidade Federal de Santa MariaUFSM.

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
We have mapped emission-line flux distributions and ratios as well as the gaseous kinematics of the inner 450 pc radius of the Seyfert galaxy Mrk 766 using integral field near-IR J-

Externí odkaz: http://repositorio.ufsm.br/handle/1/9234

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Dissertation/ Thesis

Estudo da alimentação e retro-alimentação de núcleos ativos de galáxias a partir de observações no infravermelho próximo

Autor: Schönell Júnior, Astor João

Publikováno v: Biblioteca Digital de Teses e Dissertações da UFRGSUniversidade Federal do Rio Grande do SulUFRGS.

Neste trabalho discutimos a excitação, cinemática e distribuição do gás e das estrelas, bem como um estudo das populações estelares nos kpc centrais de 20 galáxias ativas, que fazem parte de uma amostra estatisticamente completa de 29 galaxi

Externí odkaz: http://hdl.handle.net/10183/173881

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Gemini NIFS survey of feeding and feedback in nearby active galaxies V. Molecular and ionized gas kinematics

Autor: Bianchin, Marina, Riffel, Rogemar André, Storchi-Bergmann, Thaisa, Riffel, Rogério, Dutra, Daniel Ruschel, Harrison, Chris, Hahn, Luis Gabriel Dahmer, Mainieri, Vincenzo, Schönell Júnior, Astor João, Dametto, Natacha Zanon

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

We study the gas distribution and kinematics of the inner kpc of six moderately luminous (43.43 ≤ log Lbol ≤ 44.83) nearby (0.004 ≤ z ≤ 0.014) Seyfert galaxies observed with the Near-infrared Integral Field Spectrograph (NIFS) in the J (⁠1.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::701e9657ee892ab98e784126f317ea9f

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The AGNIFS survey : distribution and excitation of the hot molecular and ionized gas in the inner kpc of nearby AGN hosts

Autor: Riffel, Rogemar André, Storchi-Bergmann, Thaisa, Riffel, Rogério, Bianchin, Marina, Zakamska, Nadia L., Dutra, Daniel Ruschel, Schönell Júnior, Astor João, Rosario, David, Rodriguez-Ardila, Alberto, Fischer, Travis C., Davies, Richard I., Dametto, Natacha Zanon, Hahn, Luis Gabriel Dahmer, Crenshaw, Daniel Michael, Burtscher, Leonard, Bentz, Misty Cherie

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

We use the Gemini NIFS instrument to map the H22.1218μm and Brγ flux distributions in the inner 0.04–2 kpc of a sample of 36 nearby active galaxies (0.001 ≲ z ≲ 0.056) at spatial resolutions from 4 to 250 pc. We find extended emission in 34 g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::34c70662e7b23bc9ccff9c8305e97e04

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Gemini NIFS survey of feeding and feedback in nearby active galaxies : IV. Excitation

Autor: Riffel, Rogemar André, Bianchin, Marina, Riffel, Rogério, Storchi-Bergmann, Thaisa, Schönell Júnior, Astor João, Hahn, Luis Gabriel Dahmer, Dametto, Natacha Zanon, Diniz, Marlon Rodrigo

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

The near-infrared spectra of active galactic nuclei (AGN) present emission lines of different atomic and molecular species. The mechanisms involved in the origin of these emission lines in AGN are still not fully understood. We use J- and K-band inte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::fdb8bec4b60eee131e54bd2977e234ec

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Gemini NIFS survey of feeding and feedback in nearby active galaxies III. Ionized versus warm molecular gas masses and distributions

Autor: Schönell Júnior, Astor João, Storchi-Bergmann, Thaisa, Riffel, Rogemar André, Riffel, Rogério, Bianchin, Marina, Hahn, Luis Gabriel Dahmer, Diniz, Marlon Rodrigo, Dametto, Natacha Zanon

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

We have used the Gemini Near-Infrared Integral Field Spectrograph in the J and K bands to map the distribution, excitation, and kinematics of the ionized H ii and warm molecular gas H2, in the inner few 100 pc of six nearby active galaxies: NGC 788,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::2479c1d112d18d554b14dedfee439ecd

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Gemini NIFS survey of feeding and feedback processes in nearby active galaxies : II. The sample and surface mass density profilesthe hidden monster and its outflow

Autor: Riffel, Rogemar André, Storchi-Bergmann, Thaisa, Riffel, Rogério, Davies, Richard I., Bianchin, Marina, Diniz, Marlon Rodrigo, Schönell Júnior, Astor João, Burtscher, Leonard, Crenshaw, Daniel Michael, Fischer, Travis C., Hahn, Luis Gabriel Dahmer, Dametto, Natacha Zanon, Rosario, David

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

We present and characterize a sample of 20 nearby Seyfert galaxies selected for having BAT 14–195 keV luminosities LX ≥ 1041.5 erg s−1, redshift z ≤ 0.015, being accessible for observations with the Gemini Near-Infrared Field Spectrograph (NI

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::8fa95b6c682502be373cd2e702dd8d4d

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Feeding versus feedback in active galactic nuclei from near-infrared integral field spectroscopy : XII. NGC 5548

Autor: Schönell Júnior, Astor João, Storchi-Bergmann, Thaisa, Riffel, Rogemar André, Riffel, Rogério

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

We map the gas excitation and kinematics, and the stellar population properties of the Seyfert 1 galaxy NGC 5548 using Gemini Near Infrared Integral Field Spectrograph in the J and K bands at a spatial and velocity resolution of 105 pc and 45 km s−

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::266b9b45eefd73a1c44e470ecd20639b

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Gemini NIFS survey of feeding and feedback processes in nearby active galaxies : I. Stellar kinematics

Autor: Riffel, Rogemar André, Storchi-Bergmann, Thaisa, Riffel, Rogério, Hahn, Luis Gabriel Dahmer, Diniz, Marlon Rodrigo, Schönell Júnior, Astor João, Dametto, Natacha Zanon

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

We use the Gemini Near-Infrared Integral Field Spectrograph (NIFS) to map the stellar kinematics of the inner few hundred parsecs of a sample of 16 nearby Seyfert galaxies, at a spatial resolution of tens of parsecs and spectral resolution of 40 kms�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::63625c95836ebc12ba39abd7410a5999

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Feeding versus feedback in AGN from near-infrared IFU observations : the case of Mrk 766

Autor: Schönell Júnior, Astor João, Riffel, Rogemar André, Storchi-Bergmann, Thaisa, Winge, Claudia

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

We have mapped the emission-line flux distributions and ratios as well as the gaseous kinematics of the inner 450 pc radius of the type 1 Seyfert galaxy Mrk 766 using integral field near-infrared J- and Kl-band spectra obtained with the Gemini Near I

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::616c5f32690e9e0dd08e8d8f3e082f03

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