Subvenciones relacionadas:
General
Nuestro proyecto puede dividirse en dos líneas principales de investigación. En primer lugar, el estudio de los vientos producidos por cuásares luminosos oscurecidos y del impacto que estos tienen en sus galaxias anfitrionas (retroalimentación del AGN). Para ello hemos obtenido observaciones infrarrojas y ópticas con los instrumentos del Gran Telescopio CANARIAS (GTC) CanariCam, EMIR y MEGARA, así como datos de ALMA en el rango milimétrico. Parte de esta investigación la realizamos en el marco de la Innovative Training Network BID4BEST, del programa H2020. Nuestro grupo está también fuertemente involucrado en el consorcio internacional GATOS (Galactic Activity, Torus and Outflow Survey), creado con el objetivo de conseguir tiempo en el JWST y ALMA para caracterizar el ciclo del gas y el material que oscurece el núcleo de galaxias activas cercanas. En segundo lugar, nuestra actividad se centra en la aplicación de la espectroscopia de campo integral al estudio de objetos extensos tales como galaxias con formación estelar o galaxias activas para investigar el encendido de ambos fenómenos. Asimismo, contribuimos al desarrollo de nuevos instrumentos y técnicas de análisis de datos relacionadas con la espectroscopia 3D. En particular, participamos en el desarrollo del espectrógrafo de campo integral de alta resolución HARMONI, uno de los instrumentos de primera luz del Extremely Large Telescope de la ESO.
Miembros
Resultados
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Publicación de una letter en MNRAS donde estudiamos la conexión entre los vientos de gas ionizado y las poblaciones estelares jóvenes en el cuásar de tipo 2 Mrk 34 (Bessiere & Ramos Almeida 2022). Encontramos evidencias de retroalimentación positiva y negativa en distintas partes de la misma galaxia, inducidas por el viento. Este trabajo, parte del proyecto QSOFEED, abre una nueva ventana a la investigación del impacto directo de la actividad nuclear en la formación estelar en galaxias.
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Publicación de un estudio detallado sobre la cinemática del gas ionizado y molecular templado en el cuásar de tipo 2 J0945+1737, parte de la muestra QSOFEED (Speranza et al. 2022). Encontramos evidencias de un viento de gas ionizado con un outflow mass rate máximo de 51 Msun/yr, y ausencia de su contrapartida de gas molecular templado.
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La red europea H2020-ITN-2019 "Big Data Applications for Black Hole Evolution Studies" (BID4BEST) comenzó el 1 de marzo de 2020 (fecha de fin febrero 2024). La doctoranda Giovanna Speranza se unió a nuestro grupo en Septiembre de 2020.
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La financiación externa conseguida por C. Ramos Almeida (452.000 euros) y B. García Lorenzo (700.000 euros) en el marco de este proyecto asciende a 1.152.000 euros. Estos fondos sólo incluyen aquellos proyectos cuya fecha de inicio es 2020 y posterior, y la mayor parte de ellos se ha invertido en la contratación de nuevo personal científico y técnico.
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Publicación de los dos primeros artículos basados en la muestra de GATOS (García-Burillo et al. 2021; Alonso-Herrero et al. 2021). La colaboración GATOS ha obtenido dos propuestas aprobadas en el Ciclo 1 del JWST, lideradas por D. Rosario (University of Newcastle, Reino Unido) y Taro Shimizu (MPE, Alemania).
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Publicación de un estudio sobre morfología y cinemática del gas molecular frío de una muestra de cuásares de tipo 2 (QSO2s) a z=0.1 (Ramos Almeida et al. 2022). Para ello se hizo uso de datos del interferómetro ALMA en el rango milimétrico. Este trabajo es parte del proyecto QSOFEED.
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Publicación del trabajo García-Lorenzo et al. (2022), en el cual se presenta un análisis de las capacidades de HARMONI para desentrañar las propiedades morfo-cinemáticas de las galaxias anfitrionas de AGN en el llamado "mediodía cósmico".
Actividad científica
Publicaciones relacionadas
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Larger λ<SUB>R</SUB> in the disc of isolated active spiral galaxies than in their non-active twinsWe present a comparison of the spin parameter λ R, measured in a region dominated by the galaxy disc, between 20 pairs of nearby (0.005 < z < 0.03) seemingly isolated twin galaxies differing in nuclear activity. We find that 80-82% of the active galaxies show higher values of λ R than their corresponding non-active twin(s), indicating largerdel Moral-Castro, I. et al.
Fecha de publicación:
72020 -
Low optical polarization at the core of the optically thin jet of M87We study the optical linear and circular polarization in the optically thin regime of the core and jet of M87. Observations were acquired two days before the Event Horizon Telescope (EHT) campaign in early 2017 April. A high degree (∼20 per cent) of linear polarization (P lin) is detected in the bright jet knots resolved at $\sim 10\,\mathrm{ to}\Fresco, A. Y. et al.
Fecha de publicación:
62020 -
VLA and ALMA observations of the lensed radio-quiet quasar SDSS J0924+0219: a molecular structure in a 3 μJy radio sourceWe present Karl G. Jansky Very Large Array (VLA) and Atacama Large Millimetre Array (ALMA) observations of SDSS J0924+0219, a z = 1.524 radio-quiet lensed quasar with an intrinsic radio flux density of about 3 $\, \mu$ Jy. The four lensed images are clearly detected in the radio continuum and the CO(5-4) line, whose centroid is at z = 1.5254 ± 0Badole, Shruti et al.
Fecha de publicación:
52020 -
Recovering Age-Metallicity Distributions from Integrated Spectra: Validation with MUSE Data of a Nearby Nuclear Star ClusterCurrent instruments and spectral analysis programs are now able to decompose the integrated spectrum of a stellar system into distributions of ages and metallicities. The reliability of these methods has rarely been tested on nearby systems with resolved stellar ages and metallicities. Here we derive the age-metallicity distribution of M54, theBoecker, Alina et al.
Fecha de publicación:
62020 -
Modeling the Strongest Silicate Emission Features of Local Type 1 AGNsWe measure the 10 and 18 μm silicate features in a sample of 67 local (z < 0.1) type 1 active galactic nuclei (AGN) with available Spitzer spectra dominated by nonstellar processes. We find that the 10 μm silicate feature peaks at ${10.3}_{-0.9}^{+0.7}\,\mu {\rm{m}}$ with a strength (Si p = ln f p(spectrum)/f p(continuum)) of ${0.11}_{-0.36}^{+0.15Martínez-Paredes, M. et al.
Fecha de publicación:
22020 -
Arp 70: an interacting galaxy with extreme outflowsWe analysed a Fabry-Pérot (FP) cube of the interacting pair of galaxies Arp 70, which was obtained from the CeSAM public repository of FP data. On the larger galaxy Arp 70b, we detected the spectral signature of two different outflows, one located in the centre and the other associated with a giant H II region in the arm region. The central outflowCamps-Fariña, A. et al.
Fecha de publicación:
32020 -
The MUSE view of the planetary nebula NGC 3132Aims: Two-dimensional spectroscopic data for the whole extent of the NGC 3132 planetary nebula have been obtained. We deliver a reduced data-cube and high-quality maps on a spaxel-by-spaxel basis for the many emission lines falling within the Multi-Unit Spectroscopic Explorer (MUSE) spectral coverage over a range in surface brightness >1000Monreal-Ibero, Ana et al.
Fecha de publicación:
22020 -
Physical Parameters of the Torus for the Type 2 Seyfert IC 5063 from Mid-IR and X-Ray Simultaneous Spectral FittingIn order to understand the diversity of classes observed in active galactic nuclei (AGNs), a geometrically and optically thick torus of gas and dust is required to obscure the central engine depending on the line of sight to the observer. We perform a simultaneous fitting of X-ray and mid-infrared (mid-IR) spectra to investigate whether the sameEsparza-Arredondo, Donaji et al.
Fecha de publicación:
122019 -
Black hole-galaxy scaling relation evolution from Z̃2.5: Simulated observations with HARMONI on the ELTWe present preliminary results on the potential of HARMONI, the first light integral field spectrograph for the ELT, to explore the evolution of central super massive black holes (SMBH) - host galaxy relation in the range from z̃0.7 to z̃2.5. We simulated HARMONI observations of QSO+host galaxy at different redshifts, assuming differentGarcía-Lorenzo, Begoña et al.
Fecha de publicación:
122019 -
Exploring the Mid-infrared SEDs of Six AGN Dusty Torus Models. I. Synthetic SpectraAt distances from the active galaxy nucleus where the ambient temperature falls below ̃1500-1800 K, dust is able to survive. It is thus possible to have a large dusty structure present that surrounds the active galaxy nucleus. This is the first of two papers aiming at comparing six dusty torus models with available spectral energy distributionsGonzález-Martín, Omaira et al.
Fecha de publicación:
102019 -
Exploring the Mid-infrared SEDs of Six AGN Dusty Torus Models. II. The DataThis is the second in a series of papers devoted to exploring a set of six dusty models of active galactic nuclei (AGN) with available spectral energy distributions. These models are the smooth torus by Fritz et al., the clumpy torus by Nenkova et al., the clumpy torus by Hönig & Kishimoto, the two-phase torus by Siebenmorgen et al., the two-phaseGonzález-Martín, Omaira et al.
Fecha de publicación:
102019 -
NGC 6240: A triple nucleus system in the advanced or final state of mergingAims: NGC 6240 is a well-studied nearby galaxy system in the process of merging. Based on optical, X-ray, and radio observations, it is thought to harbor two active nuclei. We carried out a detailed optical 3D spectroscopic study to investigate the inner region of this system in connection with existing MERLIN and VLBA data. Methods: We observedKollatschny, W. et al.
Fecha de publicación:
12020 -
The CALIFA view on stellar angular momentum across the Hubble sequenceWe present the apparent stellar angular momentum over the optical extent of 300 galaxies across the Hubble sequence using integral-field spectroscopic (IFS) data from the CALIFA survey. Adopting the same λ R parameter previously used to distinguish between slow and fast rotating early-type (elliptical and lenticular) galaxies, we show that spiralFalcón-Barroso, J. et al.
Fecha de publicación:
122019 -
ALMA images the many faces of the <ASTROBJ>NGC 1068</ASTROBJ> torus and its surroundingsAims: We investigate the fueling and the feedback of nuclear activity in the nearby (D = 14 Mpc) Seyfert 2 barred galaxy NGC 1068 by studying the distribution and kinematics of molecular gas in the torus and its connections to the host galaxy disk. Methods: We used the Atacama Large Millimeter Array (ALMA ) to image the emission of a set ofGarcía-Burillo, S. et al.
Fecha de publicación:
122019 -
Nuclear molecular outflow in the Seyfert galaxy NGC 3227ALMA observations have revealed nuclear dusty molecular disks or tori with characteristic sizes 15-40 pc in the few Seyferts and low -luminosity AGN that have been studied so far. These structures are generally decoupled both morphologically and kinematically from the host galaxy disk. We present ALMA observations of the CO(2-1) and CO(3-2)Alonso-Herrero, A. et al.
Fecha de publicación:
82019 -
Do AGN triggering mechanisms vary with radio power? - I. Optical morphologies of radio-intermediate HERGsActive galactic nuclei (AGNs) with intermediate radio powers are capable of driving multiphase outflows in galaxy bulges, and are also more common than their high-radio-power counterparts. In-depth characterization of the typical host galaxies and likely triggering mechanisms for this population is therefore required in order to better understandPierce, J. C. S. et al.
Fecha de publicación:
82019 -
Quantifying the AGN-driven outflows in ULIRGs (QUADROS) IV: HST/STIS spectroscopy of the sub-kpc warm outflow in F14394+5332Considerable uncertainties remain about the nature of warm, AGN-driven outflows and their impact on the evolution of galaxies. This is because the outflows are often unresolved in ground-based observations. As part of a project to study the AGN outflows in some of the most rapidly evolving galaxies in the local Universe, here we present HubbleTadhunter, C. et al.
Fecha de publicación:
92019 -
Discovery of an old nova remnant in the Galactic globular cluster M 22A nova is a cataclysmic event on the surface of a white dwarf in a binary system that increases the overall brightness by several orders of magnitude. Although binary systems with a white dwarf are expected to be overabundant in globular clusters compared with in the Galaxy, only two novae from Galactic globular clusters have been observed. WeGöttgens, Fabian et al.
Fecha de publicación:
62019 -
A near-infrared study of the multiphase outflow in the type-2 quasar J1509+0434Based on new near-infrared spectroscopic data from the instrument Espectrógrafo Multiobjeto Infra-Rojo (EMIR) on the 10.4 m Gran Telescopio Canarias, we report the presence of an ionized and warm molecular outflow in the luminous type-2 quasar J150904.22+043441.8 (z = 0.1118). The ionized outflow is faster than its molecular counterpart, althoughFernández-Torreiro, M. et al.
Fecha de publicación:
62019 -
Polarization of changing-look quasarsIf the disappearance of the broad emission lines observed in changing-look quasars originates from the obscuration of the quasar core by dusty clouds moving in the torus, high linear optical polarization would be expected in those objects. We then measured the rest-frame UV-blue linear polarization of a sample of 13 changing-look quasars, 7 of themHutsemékers, D. et al.
Fecha de publicación:
52019
