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The ram pressure stripped radio tails of galaxies in the Coma cluster

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The ram pressure stripped radio tails of galaxies in the Coma cluster. / Chen, Hao; Sun, Ming; Yagi, Masafumi; Bravo-Alfaro, Hector; Brinks, Elias; Kenney, Jeffrey; Combes, Francoise; Sivanandam, Suresh; Jachym, Pavel; Fossati, Matteo; Gavazzi, Giuseppe; Boselli, Alessandro; Nulsen, Paul; Sarazin, Craig; Ge, Chong; Yoshida, Michitoshi; Roediger, Elke.

In: Monthly Notices of the Royal Astronomical Society, Vol. 496, No. 4, 08.2020, p. 4654–4673.

Research output: Contribution to journalArticlepeer-review

Harvard

Chen, H, Sun, M, Yagi, M, Bravo-Alfaro, H, Brinks, E, Kenney, J, Combes, F, Sivanandam, S, Jachym, P, Fossati, M, Gavazzi, G, Boselli, A, Nulsen, P, Sarazin, C, Ge, C, Yoshida, M & Roediger, E 2020, 'The ram pressure stripped radio tails of galaxies in the Coma cluster', Monthly Notices of the Royal Astronomical Society, vol. 496, no. 4, pp. 4654–4673. https://doi.org/10.1093/mnras/staa1868

APA

Chen, H., Sun, M., Yagi, M., Bravo-Alfaro, H., Brinks, E., Kenney, J., Combes, F., Sivanandam, S., Jachym, P., Fossati, M., Gavazzi, G., Boselli, A., Nulsen, P., Sarazin, C., Ge, C., Yoshida, M., & Roediger, E. (2020). The ram pressure stripped radio tails of galaxies in the Coma cluster. Monthly Notices of the Royal Astronomical Society, 496(4), 4654–4673. https://doi.org/10.1093/mnras/staa1868

Vancouver

Author

Chen, Hao ; Sun, Ming ; Yagi, Masafumi ; Bravo-Alfaro, Hector ; Brinks, Elias ; Kenney, Jeffrey ; Combes, Francoise ; Sivanandam, Suresh ; Jachym, Pavel ; Fossati, Matteo ; Gavazzi, Giuseppe ; Boselli, Alessandro ; Nulsen, Paul ; Sarazin, Craig ; Ge, Chong ; Yoshida, Michitoshi ; Roediger, Elke. / The ram pressure stripped radio tails of galaxies in the Coma cluster. In: Monthly Notices of the Royal Astronomical Society. 2020 ; Vol. 496, No. 4. pp. 4654–4673.

Bibtex

@article{e71af8d43e804163a3f5bac8f3ae41e7,
title = "The ram pressure stripped radio tails of galaxies in the Coma cluster",
abstract = "Previous studies have revealed a population of galaxies in galaxy clusters with ram pressure stripped (RPS) tails of gas and embedded young stars. We observed 1.4 GHz continuum and HI emission with the Very Large Array in its B-configuration in two fields of the Coma cluster to study the radio properties of RPS galaxies. The best continuum sensitivities in the two fields are 6 and 8 $\mu$Jy per 4'' beam respectively, which are 4 and 3 times deeper than those previously published. Radio continuum tails are found in 10 (8 are new) out of 20 RPS galaxies, unambiguously revealing the presence of relativistic electrons and magnetic fields in the stripped tails. Our results also hint that the tail has a steeper spectrum than the galaxy. The 1.4 GHz continuum in the tails is enhanced relative to their H$\alpha$ emission by a factor of $\sim$7 compared to the main bodies of the RPS galaxies. The 1.4 GHz continuum of the RPS galaxies is also enhanced relative to their IR emission by a factor of $\sim$2 compared to star-forming galaxies. The enhancement is likely related to ram pressure and turbulence in the tail. We furthermore present HI detections in three RPS galaxies and upper limits for the other RPS galaxies. The cold gas in D100's stripped tail is dominated by molecular gas, which is likely a consequence of the high ambient pressure. No evidence of radio emission associated with ultra-diffuse galaxies is found in our data. ",
keywords = "astro-ph.GA",
author = "Hao Chen and Ming Sun and Masafumi Yagi and Hector Bravo-Alfaro and Elias Brinks and Jeffrey Kenney and Francoise Combes and Suresh Sivanandam and Pavel Jachym and Matteo Fossati and Giuseppe Gavazzi and Alessandro Boselli and Paul Nulsen and Craig Sarazin and Chong Ge and Michitoshi Yoshida and Elke Roediger",
note = "This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society, Volume 496, Issue 4, August 2020, Pages 4654–4673, https://doi.org/10.1093/mnras/staa1868. {\textcopyright}: 2020 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.",
year = "2020",
month = aug,
doi = "10.1093/mnras/staa1868",
language = "English",
volume = "496",
pages = "4654–4673",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "4",

}

RIS

TY - JOUR

T1 - The ram pressure stripped radio tails of galaxies in the Coma cluster

AU - Chen, Hao

AU - Sun, Ming

AU - Yagi, Masafumi

AU - Bravo-Alfaro, Hector

AU - Brinks, Elias

AU - Kenney, Jeffrey

AU - Combes, Francoise

AU - Sivanandam, Suresh

AU - Jachym, Pavel

AU - Fossati, Matteo

AU - Gavazzi, Giuseppe

AU - Boselli, Alessandro

AU - Nulsen, Paul

AU - Sarazin, Craig

AU - Ge, Chong

AU - Yoshida, Michitoshi

AU - Roediger, Elke

N1 - This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society, Volume 496, Issue 4, August 2020, Pages 4654–4673, https://doi.org/10.1093/mnras/staa1868. ©: 2020 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

PY - 2020/8

Y1 - 2020/8

N2 - Previous studies have revealed a population of galaxies in galaxy clusters with ram pressure stripped (RPS) tails of gas and embedded young stars. We observed 1.4 GHz continuum and HI emission with the Very Large Array in its B-configuration in two fields of the Coma cluster to study the radio properties of RPS galaxies. The best continuum sensitivities in the two fields are 6 and 8 $\mu$Jy per 4'' beam respectively, which are 4 and 3 times deeper than those previously published. Radio continuum tails are found in 10 (8 are new) out of 20 RPS galaxies, unambiguously revealing the presence of relativistic electrons and magnetic fields in the stripped tails. Our results also hint that the tail has a steeper spectrum than the galaxy. The 1.4 GHz continuum in the tails is enhanced relative to their H$\alpha$ emission by a factor of $\sim$7 compared to the main bodies of the RPS galaxies. The 1.4 GHz continuum of the RPS galaxies is also enhanced relative to their IR emission by a factor of $\sim$2 compared to star-forming galaxies. The enhancement is likely related to ram pressure and turbulence in the tail. We furthermore present HI detections in three RPS galaxies and upper limits for the other RPS galaxies. The cold gas in D100's stripped tail is dominated by molecular gas, which is likely a consequence of the high ambient pressure. No evidence of radio emission associated with ultra-diffuse galaxies is found in our data.

AB - Previous studies have revealed a population of galaxies in galaxy clusters with ram pressure stripped (RPS) tails of gas and embedded young stars. We observed 1.4 GHz continuum and HI emission with the Very Large Array in its B-configuration in two fields of the Coma cluster to study the radio properties of RPS galaxies. The best continuum sensitivities in the two fields are 6 and 8 $\mu$Jy per 4'' beam respectively, which are 4 and 3 times deeper than those previously published. Radio continuum tails are found in 10 (8 are new) out of 20 RPS galaxies, unambiguously revealing the presence of relativistic electrons and magnetic fields in the stripped tails. Our results also hint that the tail has a steeper spectrum than the galaxy. The 1.4 GHz continuum in the tails is enhanced relative to their H$\alpha$ emission by a factor of $\sim$7 compared to the main bodies of the RPS galaxies. The 1.4 GHz continuum of the RPS galaxies is also enhanced relative to their IR emission by a factor of $\sim$2 compared to star-forming galaxies. The enhancement is likely related to ram pressure and turbulence in the tail. We furthermore present HI detections in three RPS galaxies and upper limits for the other RPS galaxies. The cold gas in D100's stripped tail is dominated by molecular gas, which is likely a consequence of the high ambient pressure. No evidence of radio emission associated with ultra-diffuse galaxies is found in our data.

KW - astro-ph.GA

U2 - 10.1093/mnras/staa1868

DO - 10.1093/mnras/staa1868

M3 - Article

VL - 496

SP - 4654

EP - 4673

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 4

ER -