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Title
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Articles
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Faculty Publications -Articles
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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GASP XXIII: A Jellyfish Galaxy as an Astrophysical Laboratory of the Baryonic Cycle
Description
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With MUSE, Chandra, VLA, ALMA, and UVIT data from the GASP program, we study the multiphase baryonic components in a jellyfish galaxy (JW100) with a stellar mass 3.2 1011 M o hosting an active galactic nucleus (AGN). We present its spectacular extraplanar tails of ionized and molecular gas, UV stellar light, and X-ray and radio continuum emission. This galaxy represents an excellent laboratory to study the interplay between different gas phases and star formation and the influence of gas stripping, gas heating, and AGNs. We analyze the physical origin of the emission at different wavelengths in the tail, in particular in situ star formation (related to H?, CO, and UV emission), synchrotron emission from relativistic electrons (producing the radio continuum), and heating of the stripped interstellar medium (ISM; responsible for the X-ray emission). We show the similarities and differences of the spatial distributions of ionized gas, molecular gas, and UV light and argue that the mismatch on small scales (1 kpc) is due to different stages of the star formation process. We present the relation H?-X-ray surface brightness, which is steeper for star-forming regions than for diffuse ionized gas regions with a high [O i]/H? ratio. We propose that ISM heating due to interaction with the intracluster medium (either for mixing, thermal conduction, or shocks) is responsible for the X-ray tail, observed [O i] excess, and lack of star formation in the northern part of the tail. We also report the tentative discovery in the tail of the most distant (and among the brightest) currently known ULX, a pointlike ultraluminous X-ray source commonly originating in a binary stellar system powered by either an intermediate-mass black hole or a magnetized neutron star. 2019. The American Astronomical Society. All rights reserved.
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Poggianti B.M.; Ignesti A.; Gitti M.; Wolter A.; Brighenti F.; Biviano A.; George K.; Vulcani B.; Gullieuszik M.; Moretti A.; Paladino R.; Bettoni D.; Franchetto A.; JaffY.L.; Radovich M.; Roediger E.; Tomi?i? N.; Tonnesen S.; Bellhouse C.; Fritz J.; Omizzolo A.
Source
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Astrophysical Journal, Vol-887, No. 2
Publisher
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Institute of Physics Publishing
Date
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2019-01-01
Identifier
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<a href="https://doi.org/10.3847/1538-4357/ab5224" target="_blank" rel="noreferrer noopener">https://doi.org/10.3847/1538-4357/ab5224</a>
<br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85077554048&doi=10.3847%2F1538-4357%2Fab5224&partnerID=40&md5=3be9cc277be4c59b28ee181b1b7cacc3" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85077554048&doi=10.3847%2f1538-4357%2fab5224&partnerID=40&md5=3be9cc277be4c59b28ee181b1b7cacc3</a>
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All Open Access; Bronze Open Access; Green Open Access
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ISSN: 0004637X
Format
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Online
Language
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English
Type
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Article
Coverage
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Poggianti B.M., INAF-Padova Astronomical Observatory, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy; Ignesti A., Dipartimento di Fisica e Astronomia, Universita' di Bologna, via Gobetti 93/2, Bologna, I-40129, Italy, INAF, Istituto di Radioastronomia di Bologna, via Gobetti 101, Bologna, I-40129, Italy; Gitti M., Dipartimento di Fisica e Astronomia, Universita' di Bologna, via Gobetti 93/2, Bologna, I-40129, Italy, INAF, Istituto di Radioastronomia di Bologna, via Gobetti 101, Bologna, I-40129, Italy; Wolter A., INAF-Brera Astronomical Observatory, via Brera 28, Milano, I-20121, Italy; Brighenti F., Dipartimento di Fisica e Astronomia, Universita' di Bologna, via Gobetti 93/2, Bologna, I-40129, Italy, INAF, Istituto di Radioastronomia di Bologna, via Gobetti 101, Bologna, I-40129, Italy; Biviano A., INAF, Astronomical Observatory of Trieste, via Tiepolo 11, Trieste, I-34131, Italy; George K., Faculty of Physics, Ludwig-Maximilians-Universitat, Scheinerstr. 1, Munich, D-81679, Germany, Department of Physics, Christ University, Hosur Road, Bangalore, 560029, India, Indian Institute of Astrophysics, Koramangala II Block, Bangalore, India; Vulcani B., INAF-Padova Astronomical Observatory, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy; Gullieuszik M., INAF-Padova Astronomical Observatory, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy; Moretti A., INAF-Padova Astronomical Observatory, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy; Paladino R., INAF-Istituto di Radioastronomia, via P. Gobetti 101, Bologna, I-40129, Italy; Bettoni D., INAF-Padova Astronomical Observatory, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy; Franchetto A., INAF-Padova Astronomical Observatory, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy, Dipartimento di Fisica e Astronomia, vicolo dell'Osservatorio 5, Padova, I-35136, Italy; JaffY.L., Instituto de Fisica y Astronomia, Universidad de Valparaiso, Avda. Gran Bretana 1111, Valparaiso, Chile; Radovich M., INAF-Padova Astronomical Observatory, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy; Roediger E., E.A. Milne Centre for Astrophysics, Department of Physics and Mathematics, University of Hull, Hull, HU6 7RX, United Kingdom; Tomi?i? N., INAF-Padova Astronomical Observatory, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy; Tonnesen S., Flatiron Institute, CCA, 162 5th Avenue, New York, 10010, NY, United States; Bellhouse C., University of Birmingham, School of Physics and Astronomy, Edgbaston, Birmingham, United Kingdom; Fritz J., Instituto de Radioastronomia y Astrofisica, UNAM, Campus Morelia, AP 3-72, CP 58089, Mexico; Omizzolo A., INAF-Padova Astronomical Observatory, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy, Vatican Observatory, Vatican City, Vatican State, Italy