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Jet production efficiency in the sample of the youngest radio galaxies

Published online by Cambridge University Press:  07 April 2020

Anna Wójtowicz ,
Łukasz Stawarz  and
Emily Kosmaczewski
Anna Wójtowicz
Affiliation:
Astronomical Observatory, Jagiellonian University, ul. Orla 171, 30-244 Kraków, Poland
Łukasz Stawarz
Affiliation:
Astronomical Observatory, Jagiellonian University, ul. Orla 171, 30-244 Kraków, Poland
Emily Kosmaczewski
Affiliation:
Astronomical Observatory, Jagiellonian University, ul. Orla 171, 30-244 Kraków, Poland
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Abstract

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We investigate the sample of 16 the youngest radio galaxies with measured kinematic ages and available X-ray data from high-resolution Chandra or XMM-Newton observations. We characterize the accretion properties and derive the jet kinetic luminosities for our sources. We found high accretion rates (>1% Eddington) and very high jet production efficiency for all the sources from our sample.This, along with the fact that the analyzed objects seem over-luminous in radio on the fundamental plane for the black hole activity, implies also that the radiative efficiency of the compact lobes is much higher than in the case of the evolved radio galaxies.

Keywords

techniques: spectroscopicmethods: data analysisgalaxies: jetsgalaxies: active
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S342: Perseus in Sicily: From Black Hole to Cluster Outskirts , May 2018 , pp. 278 - 279
Copyright
© International Astronomical Union 2020

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