Feedback factory: multiple faint radio jets detected in a cluster at z=2

Research output: Contribution to journalJournal articlepeer-review

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Feedback factory : multiple faint radio jets detected in a cluster at z=2. / Kalita, Boris S.; Daddi, Emanuele; Coogan, Rosemary T.; Delvecchio, Ivan; Gobat, Raphael; Valentino, Francesco; Strazzullo, Veronica; Tremou, Evangelia; Gomez-Guijarro, Carlos; Elbaz, David; Finoguenov, Alexis.

In: Monthly Notices of the Royal Astronomical Society, Vol. 503, No. 1, 05.2021, p. 1174-1186.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Kalita, BS, Daddi, E, Coogan, RT, Delvecchio, I, Gobat, R, Valentino, F, Strazzullo, V, Tremou, E, Gomez-Guijarro, C, Elbaz, D & Finoguenov, A 2021, 'Feedback factory: multiple faint radio jets detected in a cluster at z=2', Monthly Notices of the Royal Astronomical Society, vol. 503, no. 1, pp. 1174-1186. https://doi.org/10.1093/mnras/stab559

APA

Kalita, B. S., Daddi, E., Coogan, R. T., Delvecchio, I., Gobat, R., Valentino, F., Strazzullo, V., Tremou, E., Gomez-Guijarro, C., Elbaz, D., & Finoguenov, A. (2021). Feedback factory: multiple faint radio jets detected in a cluster at z=2. Monthly Notices of the Royal Astronomical Society, 503(1), 1174-1186. https://doi.org/10.1093/mnras/stab559

Vancouver

Kalita BS, Daddi E, Coogan RT, Delvecchio I, Gobat R, Valentino F et al. Feedback factory: multiple faint radio jets detected in a cluster at z=2. Monthly Notices of the Royal Astronomical Society. 2021 May;503(1):1174-1186. https://doi.org/10.1093/mnras/stab559

Author

Kalita, Boris S. ; Daddi, Emanuele ; Coogan, Rosemary T. ; Delvecchio, Ivan ; Gobat, Raphael ; Valentino, Francesco ; Strazzullo, Veronica ; Tremou, Evangelia ; Gomez-Guijarro, Carlos ; Elbaz, David ; Finoguenov, Alexis. / Feedback factory : multiple faint radio jets detected in a cluster at z=2. In: Monthly Notices of the Royal Astronomical Society. 2021 ; Vol. 503, No. 1. pp. 1174-1186.

Bibtex

@article{814e8d0fae5545a598a816120dbf7222,
title = "Feedback factory: multiple faint radio jets detected in a cluster at z=2",
abstract = "We report the detection of multiple faint radio sources, that we identify as active galactic nucleus (AGN) jets, within CLJ1449+0856 at z = 2 using 3 GHz Very Large Array observations. We study the effects of radio-jet-based kinetic feedback at high redshifts, which has been found to be crucial in low-redshift clusters to explain the observed thermodynamic properties of their intracluster medium (ICM). We investigate this interaction at an epoch featuring high levels of AGN activity and a transitional phase of ICM in regards to the likelihood of residual cold gas accretion. We measure a total flux of 30.6 +/- 3.3 mu Jy from the six detected jets. Their power contribution is estimated to be 1.2 (+/- 0.6) x 10(44) erg s(-1), although this value could be up to 4.7 x 10(44) erg s(-1). This is a factor of similar to 0.25-1.0 of the previously estimated instantaneous energy injection into the ICM of CLJ1449+0856 from AGN outflows and star formation that have already been found to be sufficient in globally offsetting the cooling flows in the cluster core. In line with the already detected abundance of star formation, this mode of feedback being distributed over multiple sites, contrary to a single central source observed at low redshifts, points to accretion of gas into the cluster centre. This also suggests a 'steady state' of the cluster featuring non-cool-core-like behaviour. Finally, we also examine the total infrared-radio luminosity ratio for the known sample of galaxies within the cluster core and find that dense environments do not have any serious consequence on the compliance of galaxies to the infrared-radio correlation.",
keywords = "galaxies: active, galaxies: clusters: general, galaxies: evolution, galaxies: high-redshift, radio continuum: galaxies, ACTIVE GALACTIC NUCLEI, STAR-FORMING GALAXIES, GHZ LARGE PROJECT, CL J1449+0856, MOLECULAR GAS, CHANDRA OBSERVATION, GRISM CONFIRMATION, HOST GALAXIES, RAY, AGN",
author = "Kalita, {Boris S.} and Emanuele Daddi and Coogan, {Rosemary T.} and Ivan Delvecchio and Raphael Gobat and Francesco Valentino and Veronica Strazzullo and Evangelia Tremou and Carlos Gomez-Guijarro and David Elbaz and Alexis Finoguenov",
year = "2021",
month = may,
doi = "10.1093/mnras/stab559",
language = "English",
volume = "503",
pages = "1174--1186",
journal = "Royal Astronomical Society. Monthly Notices",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "1",

}

RIS

TY - JOUR

T1 - Feedback factory

T2 - multiple faint radio jets detected in a cluster at z=2

AU - Kalita, Boris S.

AU - Daddi, Emanuele

AU - Coogan, Rosemary T.

AU - Delvecchio, Ivan

AU - Gobat, Raphael

AU - Valentino, Francesco

AU - Strazzullo, Veronica

AU - Tremou, Evangelia

AU - Gomez-Guijarro, Carlos

AU - Elbaz, David

AU - Finoguenov, Alexis

PY - 2021/5

Y1 - 2021/5

N2 - We report the detection of multiple faint radio sources, that we identify as active galactic nucleus (AGN) jets, within CLJ1449+0856 at z = 2 using 3 GHz Very Large Array observations. We study the effects of radio-jet-based kinetic feedback at high redshifts, which has been found to be crucial in low-redshift clusters to explain the observed thermodynamic properties of their intracluster medium (ICM). We investigate this interaction at an epoch featuring high levels of AGN activity and a transitional phase of ICM in regards to the likelihood of residual cold gas accretion. We measure a total flux of 30.6 +/- 3.3 mu Jy from the six detected jets. Their power contribution is estimated to be 1.2 (+/- 0.6) x 10(44) erg s(-1), although this value could be up to 4.7 x 10(44) erg s(-1). This is a factor of similar to 0.25-1.0 of the previously estimated instantaneous energy injection into the ICM of CLJ1449+0856 from AGN outflows and star formation that have already been found to be sufficient in globally offsetting the cooling flows in the cluster core. In line with the already detected abundance of star formation, this mode of feedback being distributed over multiple sites, contrary to a single central source observed at low redshifts, points to accretion of gas into the cluster centre. This also suggests a 'steady state' of the cluster featuring non-cool-core-like behaviour. Finally, we also examine the total infrared-radio luminosity ratio for the known sample of galaxies within the cluster core and find that dense environments do not have any serious consequence on the compliance of galaxies to the infrared-radio correlation.

AB - We report the detection of multiple faint radio sources, that we identify as active galactic nucleus (AGN) jets, within CLJ1449+0856 at z = 2 using 3 GHz Very Large Array observations. We study the effects of radio-jet-based kinetic feedback at high redshifts, which has been found to be crucial in low-redshift clusters to explain the observed thermodynamic properties of their intracluster medium (ICM). We investigate this interaction at an epoch featuring high levels of AGN activity and a transitional phase of ICM in regards to the likelihood of residual cold gas accretion. We measure a total flux of 30.6 +/- 3.3 mu Jy from the six detected jets. Their power contribution is estimated to be 1.2 (+/- 0.6) x 10(44) erg s(-1), although this value could be up to 4.7 x 10(44) erg s(-1). This is a factor of similar to 0.25-1.0 of the previously estimated instantaneous energy injection into the ICM of CLJ1449+0856 from AGN outflows and star formation that have already been found to be sufficient in globally offsetting the cooling flows in the cluster core. In line with the already detected abundance of star formation, this mode of feedback being distributed over multiple sites, contrary to a single central source observed at low redshifts, points to accretion of gas into the cluster centre. This also suggests a 'steady state' of the cluster featuring non-cool-core-like behaviour. Finally, we also examine the total infrared-radio luminosity ratio for the known sample of galaxies within the cluster core and find that dense environments do not have any serious consequence on the compliance of galaxies to the infrared-radio correlation.

KW - galaxies: active

KW - galaxies: clusters: general

KW - galaxies: evolution

KW - galaxies: high-redshift

KW - radio continuum: galaxies

KW - ACTIVE GALACTIC NUCLEI

KW - STAR-FORMING GALAXIES

KW - GHZ LARGE PROJECT

KW - CL J1449+0856

KW - MOLECULAR GAS

KW - CHANDRA OBSERVATION

KW - GRISM CONFIRMATION

KW - HOST GALAXIES

KW - RAY

KW - AGN

U2 - 10.1093/mnras/stab559

DO - 10.1093/mnras/stab559

M3 - Journal article

VL - 503

SP - 1174

EP - 1186

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

SN - 0035-8711

IS - 1

ER -

ID: 269908976