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We report the detection of ubiquitous powerful nuclear outflows in massive (> 10^11 Msun) z~2 star-forming galaxies (SFGs), which are plausibly driven by an Active Galactic Nucleus (AGN). The sample consists of the eight most massive SFGs…

We present near-infrared ($H$- and $K$-band) integral-field observations of the inner $\sim$700pc of the active spiral galaxy NGC613, obtained with SINFONI on the Very Large Telescope. We use emission-line ratios to determine the dominant…

Astrophysics of Galaxies · Physics 2015-06-17 J. Falcón-Barroso , C. Ramos Almeida , T. Böker , E. Schinnerer , J. H. Knapen , A. Lançon , S. Ryder

The most rapidly evolving regions of galaxies often display complex optical spectra with emission lines excited by massive stars, shocks and accretion onto supermassive black holes. Standard calibrations (such as for the star formation…

Aims: We investigate the nature of the source GDS J033218.92-275302.7at redshift ~ 5.56. Methods: The SED of the source is well sampled by 16 bands photometry, from UV-optical, near infrared and mid-infrared (MID-IR).The detection of signal…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 E. Vanzella , A. Grazian , M. Hayes , L. Pentericci , D. Schaerer , M. Dickinson , S. Cristiani , M. Giavalisco , A. Verhamme , M. Nonino , P. Rosati

Active Galactic Nuclei (AGNs) exhibit excess mid-infrared H$_2$ emission compared to star-forming galaxies, likely driven by outflows and shocks inferred from integrated spectra. We present optical IFU observations of the central 2\,kpc of…

We explore the gas morphology and excitation mechanisms of the ionization cones of the Type II Seyfert galaxy NGC 5728. Near-IR and optical data from the SINFONI and MUSE IFUs on the VLT are combined with $HST$ optical images, $Chandra$…

Astrophysics of Galaxies · Physics 2018-11-28 Mark Durré , Jeremy Mould

We have used observations of the galaxy IC 10 at the 6-m telescope of the Special Astrophysical Observatory with the SCORPIO focal reducer in the Fabry-Perot interferometer mode and with the MPFS spectrograph to study the structure and…

Cosmology and Nongalactic Astrophysics · Physics 2010-12-13 O. V. Egorov , T. A. Lozinskaya , A. V. Moiseev

We present new ATCA 17- and 24-GHz radio images and ESO-NTT optical spectra of the radio-loud Seyfert galaxy IC5063, the first galaxy in which a fast (~ 600 km/s) outflow of neutral hydrogen was discovered. The new radio data confirm the…

Astrophysics · Physics 2009-11-13 R. Morganti , J. Holt , L. Saripalli , T. A. Oosterloo , C. N. Tadhunter

[ABRIDGED] With the aim of constraining the source of excitation and the origin of the ionized gas in early-type galaxies (ETGs), we analyzed optical spectra of a sample of 65 ETGs mostly located in low density environments. Optical…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 F. Annibali , A. Bressan , R. Rampazzo , W. W. Zeilinger , O. Vega , P. Panuzzo

We detect bright [CII]158$\mu$m line emission from the radio galaxy 3C 326N at z=0.09, which shows weak star formation ($SFR<0.07$M$_{\odot}$~yr$^{-1}$) despite having strong H$_2$ line emission and $2\times 10^9$M$_{\odot}$ of molecular…

Astrophysics of Galaxies · Physics 2015-01-21 P. Guillard , F. Boulanger , M. D. Lehnert , G. Pineau des Forêts , F. Combes , E. Falgarone , J. Bernard-Salas

We use Gemini Near-Infrared Integral Field Spectrograph (NIFS) observations of the inner 3.5$\times$3.5 kpc$^2$ of the radio galaxy Cygnus A to map the gas excitation and kinematics at a spatial resolution of 200 pc. The emission of the…

Astrophysics of Galaxies · Physics 2022-08-31 Rogemar A. Riffel

We present Infrared Space Observatory mid- and far-infrared spectroscopy of the merging galaxy NGC 6240, an object presenting many aspects of importance for the role of star formation and AGN activity in [ultra]luminous infrared galaxies.…

Astrophysics · Physics 2009-11-10 D. Lutz , E. Sturm , R. Genzel , H. W. W. Spoon , A. F. M. Moorwood , H. Netzer , A. Sternberg

AGN are a key ingredient for understanding galactic evolution. AGN-driven outflows are one of the manifestations of feedback. The AO mode for MUSE at the VLT permits to study the innermost tens of parsecs of nearby AGN in the optical. We…

Astrophysics of Galaxies · Physics 2021-04-08 S. Comerón , J. H. Knapen , C. Ramos Almeida , A. E. Watkins

To understand the role that AGN feedback plays in galaxy evolution we need in-depth studies of the multi-phase structure and energetics of galaxy-wide outflows. In this work we present new, deep ($\sim$50 hr) NOEMA CO(1-0) line observations…

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…

We present a multiwavelength study of IC 860, a nearby post-starburst galaxy at the early stage of transitioning from blue and star-forming to red and quiescent. Optical images reveal a galaxy-wide, dusty outflow originating from a compact…

NGC 7582 is an SB(s)ab galaxy which displays evidences of simultaneous nuclear activity and star formation in its centre. Previous optical observations revealed, besides the H II regions, an ionization cone and a gas disc in its central…

Astrophysics of Galaxies · Physics 2017-11-15 T. V. Ricci , J. E. Steiner , D. May , A. Garcia-Rissmann , R. B. Menezes

We combine ionized gas ([N II] 6583) and stellar central velocity dispersions for a sample of 345 galaxies, with and without active galactic nuclei (AGNs), to study the dynamical state of the nuclear gas and its physical origin. The gas…

Astrophysics of Galaxies · Physics 2009-07-17 Luis C. Ho

We present a census of ionized gas outflows in 599 normal galaxies at redshift 0.6<z<2.7, mostly based on integral field spectroscopy of Ha, [NII], and [SII] line emission. The sample fairly homogeneously covers the main sequence of…

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