Exploring the inner region of NGC 1316 through CO ALMA data

The merger remnant NGC 1316 (Fornax A) is the brightest galaxy in the Fornax cluster, and it is the third nearest radio-bright galaxy (D = 20.8 + 0.5 Mpc) hosting an Active Galactic Nuclei. Due to the complexity of this source, on a variety of scales and components, it was observed at different wave...

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Autores principales: Saponara, Juliana, Reynaldi, María Victoria, Smith Castelli, Analía Viviana, Faifer, Favio Raúl, Benaglia, Paula, Sesto, Leandro Alberto, Escudero, Carlos Gabriel
Formato: Articulo
Lenguaje:Inglés
Publicado: 2021
Materias:
Ciencias Astronómicas
galaxies: individual (NGC 1316)
galaxy: structure
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/175910
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-175910
record_format dspace
spelling I19-R120-10915-1759102025-01-30T20:04:08Z http://sedici.unlp.edu.ar/handle/10915/175910 Exploring the inner region of NGC 1316 through CO ALMA data Saponara, Juliana Reynaldi, María Victoria Smith Castelli, Analía Viviana Faifer, Favio Raúl Benaglia, Paula Sesto, Leandro Alberto Escudero, Carlos Gabriel 2021 2025-01-30T17:09:55Z en Ciencias Astronómicas galaxies: individual (NGC 1316) galaxy: structure The merger remnant NGC 1316 (Fornax A) is the brightest galaxy in the Fornax cluster, and it is the third nearest radio-bright galaxy (D = 20.8 + 0.5 Mpc) hosting an Active Galactic Nuclei. Due to the complexity of this source, on a variety of scales and components, it was observed at different wavelengths. Deep optical images revealed complex structures such as ripples and loops in its outer regions, while far-infrared observations show prominent dust extinction in its inner part. The dust is found in diverse structures that include a northwest shell, a south-east blob, an extended component to the south-west, and dust patches among them. Some of these features are well traced by CO as well. The presence of a bent nuclear jet was reported in previous works, after radio continuum observations, suggesting an interaction between the jet and the interstellar medium of the galaxy. NGC 1316 is a remarkable object because it harbours a notable subpopulation of young globular clusters. To better understand the history and the physical processes that are currently taking place in the inner region of NGC 1316, we started to gather the public data at various spectral ranges, from instruments such as ALMA, VLA, Chandra and HST. In this poster, we will focus on the available CO(J=2-1) ALMA data, and the information that could be retrieved from them. La galaxia NGC 1316 (Fornax A) es el remanente de una fusión, y es el objecto más brillante del cúmulo de Fornax. Además, es la tercer radiogalaxia más cercana a la Vía Lactea (D = 20.8 + 0.5 Mpc) y alberga un núcleo activo. Debido a la complejidad de ésta fuente, en una variedad de escalas y componentes, la misma fue observada en diferentes longitudes de onda. Imágenes ópticas profundas revelaron estructuras complejas, en sus regiones externas, como arcos y bucles, mientras que las observaciones en el infrarrojo lejano muestran presencia de polvo en su parte interna, el cual es responsable de una fuerte extinción. A su vez, el polvo se encuentra distribuido conformando distintas estructuras que incluyen un arco al noroeste, un grumo al sureste, una componente extendida hacia el suroeste y nubes de polvo entre ellos. Algunas de estas características también están bien delineadas por la presencia del CO. En trabajos anteriores, a partir de datos en continuo de radio, se informó que en la región nuclear el jet presenta una estructura de “S”, lo cual sugiere una interacción entre el jet y el medio interestelar de la galaxia. NGC 1316 es un objeto notable porque alberga una subpoblación importante de cúmulos globulares jóvenes. Para comprender mejor la historia y los procesos físicos que están teniendo lugar actualmente en la región interior de NGC 1316, comenzamos a recopilar datos públicos en varios rangos espectrales, de instrumetos como ALMA, VLA, Chandra y HST. En este trabajo nos centramos en los datos disponibles de CO(J=2-1) de ALMA y la información que se puede recuperar de ellos. Asociación Argentina de Astronomía Articulo Articulo http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf 195-197
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Astronómicas
galaxies: individual (NGC 1316)
galaxy: structure
spellingShingle Ciencias Astronómicas
galaxies: individual (NGC 1316)
galaxy: structure
Saponara, Juliana
Reynaldi, María Victoria
Smith Castelli, Analía Viviana
Faifer, Favio Raúl
Benaglia, Paula
Sesto, Leandro Alberto
Escudero, Carlos Gabriel
Exploring the inner region of NGC 1316 through CO ALMA data
topic_facet Ciencias Astronómicas
galaxies: individual (NGC 1316)
galaxy: structure
description The merger remnant NGC 1316 (Fornax A) is the brightest galaxy in the Fornax cluster, and it is the third nearest radio-bright galaxy (D = 20.8 + 0.5 Mpc) hosting an Active Galactic Nuclei. Due to the complexity of this source, on a variety of scales and components, it was observed at different wavelengths. Deep optical images revealed complex structures such as ripples and loops in its outer regions, while far-infrared observations show prominent dust extinction in its inner part. The dust is found in diverse structures that include a northwest shell, a south-east blob, an extended component to the south-west, and dust patches among them. Some of these features are well traced by CO as well. The presence of a bent nuclear jet was reported in previous works, after radio continuum observations, suggesting an interaction between the jet and the interstellar medium of the galaxy. NGC 1316 is a remarkable object because it harbours a notable subpopulation of young globular clusters. To better understand the history and the physical processes that are currently taking place in the inner region of NGC 1316, we started to gather the public data at various spectral ranges, from instruments such as ALMA, VLA, Chandra and HST. In this poster, we will focus on the available CO(J=2-1) ALMA data, and the information that could be retrieved from them.
format Articulo
Articulo
author Saponara, Juliana
Reynaldi, María Victoria
Smith Castelli, Analía Viviana
Faifer, Favio Raúl
Benaglia, Paula
Sesto, Leandro Alberto
Escudero, Carlos Gabriel
author_facet Saponara, Juliana
Reynaldi, María Victoria
Smith Castelli, Analía Viviana
Faifer, Favio Raúl
Benaglia, Paula
Sesto, Leandro Alberto
Escudero, Carlos Gabriel
author_sort Saponara, Juliana
title Exploring the inner region of NGC 1316 through CO ALMA data
title_short Exploring the inner region of NGC 1316 through CO ALMA data
title_full Exploring the inner region of NGC 1316 through CO ALMA data
title_fullStr Exploring the inner region of NGC 1316 through CO ALMA data
title_full_unstemmed Exploring the inner region of NGC 1316 through CO ALMA data
title_sort exploring the inner region of ngc 1316 through co alma data
publishDate 2021
url http://sedici.unlp.edu.ar/handle/10915/175910
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