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VLA Resolves Unexpected Radio Structures in the Perseus Cluster of Galaxies
Indexado
WoS WOS:000641567700001
Scopus SCOPUS_ID:85105069246
DOI 10.3847/1538-4357/ABDDBB
Año 2021
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



We present new deep, high-resolution, 1.5 GHz observations of the prototypical nearby Perseus galaxy cluster from the Karl G. Jansky Very Large Array. We isolate for the first time the complete tail of radio emission of the bent-jet radio galaxy NGC 1272, which had been previously mistaken to be part of the radio mini-halo. The possibility that diffuse radio galaxy emission contributes to mini-halo emission may be a general phenomenon in relaxed cool-core clusters, and should be explored. The collimated jets of NGC 1272 initially bend to the west, and then transition eastward into faint, 60 kpc long extensions with eddy-like structures and filaments. We suggest interpretations for these structures that involve bulk motions of intracluster gas, the galaxy's orbit in the cluster including projection effects, and the passage of the galaxy through a sloshing cold front. Instabilities and turbulence created at the surface of this cold front and in the turbulent wake of the infalling host galaxy most likely play a role in the formation of the observed structures. We also discover a series of faint rings, southeast of NGC 1272, which are a type of structure that has never been seen before in galaxy clusters.

Revista



Revista ISSN
Astrophysical Journal 0004-637X

Métricas Externas



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Disciplinas de Investigación



WOS
Astronomy & Astrophysics
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Gendron-Marsolais, Marie-Lou Mujer ESO - Chile
European Southern Observatory Santiago - Chile
European Southern Observ - Chile
2 Hull, C. L. H. Hombre NAOJ Chile - Chile
Atacama Large Millimeter Array - Chile
National Institutes of Natural Sciences - National Astronomical Observatory of Japan - Japón
Atacama Large Millimeter-submillimeter Array - Chile
3 Perley, R. - Natl Radio Astron Observ - Estados Unidos
National Radio Astronomy Observatory Socorro - Estados Unidos
4 Rudnick, L. - Univ Minnesota - Estados Unidos
University of Minnesota Twin Cities - Estados Unidos
College of Science and Engineering - Estados Unidos
5 Kraft, R. Hombre Harvard Smithsonian Ctr Astrophys - Estados Unidos
Harvard-Smithsonian Center for Astrophysics - Estados Unidos
6 Hlavacek-Larrondo, Julie Mujer UNIV MONTREAL - Canadá
University of Montreal - Canadá
7 Fabian, Andrew Hombre Inst Astron - Reino Unido
Institute of Astronomy - Reino Unido
University of Cambridge - Reino Unido
8 Roediger, Elke Mujer Univ Hull - Reino Unido
University of Hull - Reino Unido
9 van Weeren, R. J. Hombre Leiden Univ - Países Bajos
Leiden Observatory Research Institute - Países Bajos
Sterrewacht Leiden - Países Bajos
10 Richard-Laferriere, A. - Inst Astron - Reino Unido
Institute of Astronomy - Reino Unido
University of Cambridge - Reino Unido
11 Golden-Marx, Emmet - Tsinghua Univ - China
BOSTON UNIV - Estados Unidos
Tsinghua University - China
Boston University - Estados Unidos
College of Arts & Sciences - Estados Unidos
12 Arakawa, N. - Inst Astron - Reino Unido
BOSTON UNIV - Estados Unidos
Institute of Astronomy - Reino Unido
University of Cambridge - Reino Unido
Boston University - Estados Unidos
13 McBride, J. D. - UNIV CAMBRIDGE - Reino Unido
Ceres Imaging - Estados Unidos
University of Cambridge - Reino Unido

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Financiamiento



Fuente
National Science Foundation
JSPS KAKENHI
Gates Cambridge Scholarship
U.S. National Science Foundation
NAOJ Fellowship
Joint ALMA Observatory Visitor Program
ERC Starting Grant ClusterWeb
FRQNT (Fonds de recherche du Quebec-Nature et technologies) through the FRQNT Graduate Studies Research Scholarship-Doctoral level
NSERC (Natural Sciences and Engineering Research Council of Canada) through the Postgraduate Scholarship-Doctoral Program (PGS D)
St. John's College Benefactors' Scholarships

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
C.L.H.H. acknowledges the support of the NAOJ Fellowship and JSPS KAKENHI grants 18K13586 and 20K14527. During the development of this project, C.L.H.H. was a Jansky Fellow of the National Radio Astronomy Observatory, which is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. R.P. acknowledges the support of the Joint ALMA Observatory Visitor Program. Partial support for LR comes from U.S. National Science Foundation grant AST17-14205 to the University of Minnesota. R.J.v.W. acknowledges support from the ERC Starting Grant ClusterWeb 804208. ARL acknowledges the support of the Gates Cambridge Scholarship, the St. John's College Benefactors' Scholarships, NSERC (Natural Sciences and Engineering Research Council of Canada) through the Postgraduate Scholarship-Doctoral Program (PGS D) under grant PGSD3-535124-2019 and FRQNT (Fonds de recherche du Quebec-Nature et technologies) through the FRQNT Graduate Studies Research Scholarship-Doctoral level under grant #274532. Figure 3 was awarded the third prize of the Karl G. Jansky Very Large Array 40th anniversary image contest, organized by NRAO/AUI/NSF.

Muestra la fuente de financiamiento declarada en la publicación.