activity
20142024
most citedThe AGNIFS survey: spatially resolved observations of hot molecular and ionised outflows in nearby active galaxies

48 citations · 462 across the 19 of their papers we have counts for

collaborators

19 papers

astro-ph.GA2024★ 1 cited

SMARTY: The mileS Moderate resolution neAr-infRared sTellar librarY

Michele Bertoldo-Coêlho, Rogério Riffel, Marina Trevisan +13

Most of the observed galaxies cannot be resolved into individual stars and are studied through their integrated spectrum using simple stellar populations (SSPs) models, with stella…

astro-ph.GA2023★ 48 cited

The AGNIFS survey: spatially resolved observations of hot molecular and ionised outflows in nearby active galaxies

R. A. Riffel, T. Storchi-Bergmann, R. Riffel +17

We present the hot molecular and warm ionised gas kinematics for 33 nearby () X-ray selected active galaxies using the Hm and Br emiss…

astro-ph.GA2022★ 26 cited

Gemini NIFS survey of feeding and feedback processes in nearby Active Galaxies: VI -- Stellar Populations

Rogério Riffel, Luis G. Dahmer-Hahn, Rogemar A. Riffel +8

We use Gemini Near-Infrared Integral Field Spectrograph (NIFS) adaptive optics assisted data-cubes to map the stellar population of the inner few hundred parsecs of a sample of 18…

astro-ph.GA2021★ 35 cited

Gemini NIFS survey of feeding and feedback in nearby Active Galaxies -- V. Molecular and Ionised Gas Kinematics

M. Bianchin, R. A. Riffel, T. Storchi-Bergmann +7

We study the gas distribution and kinematics of the inner kpc of six moderately luminous (43.43log44.83) nearby () Seyfert galaxies…

astro-ph.GA2021★ 19 cited

A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).XII. Ionised gas emission in the inner regions of lenticular galaxies

A. Boselli, M. Fossati, A. Longobardi +24

As part of the VESTIGE survey, a blind narrow-band Ha+[NII] imaging survey of the Virgo cluster carried out with MegaCam at the CFHT, we discovered 8 massive lenticular galaxies wi…

astro-ph.GA2021★ 4 cited

A Gemini-NIFS view of the merger remnant NGC 34

J. C. Motter, R. Riffel, T. V. Ricci +8

The merger remnant NGC 34 is a local luminous infrared galaxy (LIRG) hosting a nuclear starburst and a hard X-ray source associated with a putative, obscured Seyfert~2 nucleus. In…

astro-ph.GA2021★ 35 cited

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

R. A. Riffel, T. Storchi-Bergmann, R. Riffel +13

We use the Gemini NIFS instrument to map the Hm and Br flux distributions in the inner 0.04-2 kpc of a sample of 36 nearby active galaxies ($0.001\lesssim z\lesssim0…

astro-ph.GA2021★ 33 cited

Gemini NIFS survey of feeding and feedback in nearby Active Galaxies -- IV. Excitation

Rogemar A. Riffel, Marina Bianchin, Rogerio Riffel +5

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…

astro-ph.GA2021★ 15 cited

Exploring the AGN-Merger Connection in Arp 245 I: Nuclear Star Formation and Gas Outflow in NGC 2992

Muryel Guolo-Pereira, Daniel Ruschel-Dutra, Thaisa Storchi-Bergmann +5

Galaxy mergers are central to our understanding of galaxy formation, especially within the context of hierarchical models. Besides having a large impact on the star formation histo…

astro-ph.GA2019★ 12 cited

A panchromatic spatially resolved study of the inner 500pc of NGC1052 -- II: Gas excitation and kinematics

Luis G. Dahmer-Hahn, Rogério Riffel, Tiago V. Ricci +8

We map the optical and near-infrared (NIR) emission-line flux distributions and kinematics of the inner 320535pc of the elliptical galaxy NGC1052. The integral field sp…

astro-ph.GA2019★ 28 cited

Gemini NIFS survey of feeding and feedback in nearbyActive Galaxies - III. Ionized versus warm molecular gasmasses and distributions

Astor J. Schonell, Thaisa Storchi-Bergmann, Rogemar A. Riffel +5

We have used the Gemini Near-Infrared Integral Field Spectrograph (NIFS) in the J and K bands to map the distribution, excitation and kinematics of the ionized HII and warm molecul…

astro-ph.GA2018★ 17 cited

A panchromatic spatially resolved study of the inner 500 pc of NGC 1052 - I: Stellar population

Luis Gabriel Dahmer-Hahn, Rogério Riffel, João Evangelista Steiner +6

We map optical and near-infrared (NIR) stellar population properties of the inner 320535pc of the elliptical galaxy NGC1052. The optical and NIR spectra were obtained u…

astro-ph.GA2018★ 18 cited

A SINFONI view of the nuclear activity and circumnuclear star formation in NGC 4303 - II: Spatially resolved stellar populations

Natacha Z. Dametto, Rogério Riffel, Luis Colina +11

We present a spatially resolved stellar population study of the inner 200\,pc radius of NGC4303 based on near-infrared integral field spectroscopy with SINFONI/VLT at a spati…

astro-ph.GA2018★ 27 cited

Probing Evolutionary Population Synthesis Models in the Near Infrared with Early Type Galaxies

Luis Gabriel Dahmer-Hahn, Rogério Riffel, Alberto Rodríguez-Ardila +5

We performed a near-infrared (NIR, 1.0m-2.4m) stellar population study in a sample of early type galaxies. The synthesis was performed using five different evolutionary…

astro-ph.GA2017★ 25 cited

Gemini NIFS survey of feeding and feedback processes in nearby Active Galaxies: II -The sample and surface mass density profiles

R. A. Riffel, T. Storchi-Bergmann, R. Riffel +10

We present and characterize a sample of 20 nearby Seyfert galaxies selected for having BAT 14--195keV luminosities erg s, redshift 0.015, being acc…

astro-ph.GA2017★ 39 cited

Gemini NIFS survey of feeding and feedback processes in nearby Active Galaxies: I - Stellar kinematics

Rogemar A. Riffel, Thaisa Storchi-Bergmann, Rogerio Riffel +4

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 sp…

astro-ph.GA2016★ 25 cited

The complex, dusty narrow-line region of NGC 4388: Gas-jet interactions, outflows, and extinction revealed by near-IR spectroscopy

A. Rodriguez-Ardila, R. E. Mason, L. Martins +14

We present Gemini/GNIRS spectroscopy of the Seyfert 2 galaxy NGC 4388, with simultaneous coverage from 0.85 - 2.5 m. Several spatially-extended emission lines are detected for t…

astro-ph.GA2016★ 28 cited

A SINFONI view of the nuclear activity and circum-nuclear star formation in NGC 4303

Rogemar A. Riffel, L. Colina, T. Storchi-Bergmann +8

We present new maps of emission-line flux distributions and kinematics in both ionized (traced by HI and [FeII] lines) and molecular (H2) gas of the inner 0.7x0.7kpc2 of the galaxy…

astro-ph.GA2014★ 27 cited

Probing the Circumnuclear Stellar Populations of Starburst Galaxies in the Near-infrared

N. Z. Dametto, R. Riffel, M. G. Pastoriza +3

We employ the NASA Infrared Telescope Facility's near-infrared spectrograph SpeX at 0.8-2.4m to investigate the spatial distribution of the stellar populations (SPs) in four wel…