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Properties of X-ray detected far-IR AGN in the green valley

Published online by Cambridge University Press:  29 January 2021

Antoine Mahoro ,
Mirjana Pović ,
Petri Väisänen ,
Pheneas Nkundabakura ,
Beatrice Nyiransengiyumva  and
Kurt van der Heyden
Antoine Mahoro
Affiliation:
South African Astronomical Observatory, P.O. Box 9 Observatory, Cape Town, South Africa Department of Astronomy, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa
Mirjana Pović
Affiliation:
Ethiopian Space Science and Technology Institute (ESSTI), Entoto Observatory and Research Center (EORC), Astronomy and Astrophysics Research Division, P.O. Box 33679, Addis Ababa, Ethiopia Instituto de Astrofísica de Andalucía (IAA-CSIC), Glorieta de la Astronomía s/n, 18008 Granada, Spain
Petri Väisänen
Affiliation:
South African Astronomical Observatory, P.O. Box 9 Observatory, Cape Town, South Africa Southern African Large Telescope, P.O. Box 9 Observatory, Cape Town, South Africa
Pheneas Nkundabakura
Affiliation:
MSPE Department, School of Education, College of Education, University of Rwanda, P.O. Box 5039, Kigali, Rwanda
Beatrice Nyiransengiyumva
Affiliation:
MSPE Department, School of Education, College of Education, University of Rwanda, P.O. Box 5039, Kigali, Rwanda
Kurt van der Heyden
Affiliation:
Department of Astronomy, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa
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Abstract

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In this study, we analysed active galactic nuclei in the “green valley” by comparing active and non-active galaxies using data from the COSMOS field. We found that most of our X-ray detected active galactic nuclei with far-infrared emission have star formation rates higher than the ones of normal galaxies of the same stellar mass range.

Keywords

galaxies: activegalaxies: evolutiongalaxies: high redshiftgalaxies: star formationgalaxies: structureinfrared: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S356: Nuclear Activity in Galaxies Across Cosmic Time , October 2019 , pp. 147 - 151
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of International Astronomical Union

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