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Probing the QSO host galaxy evolution through the gas metallicity

Published online by Cambridge University Press:  17 July 2013

B. Husemann ,
L. Wisotzki ,
K. Jahnke ,
S. F. Sánchez  and
D. Nugroho
B. Husemann
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, Germany email: [email protected]
L. Wisotzki
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, Germany email: [email protected]
K. Jahnke
Affiliation:
Max-Planck-Institut für Astronomie, Heidelberg, Germany
S. F. Sánchez
Affiliation:
Instituto de Astrofísica de Andalucía (CSIC), Granada, Spain
D. Nugroho
Affiliation:
Max-Planck-Institut für Astronomie, Heidelberg, Germany
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Abstract

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We use the spatially resolved gas-phase metallicity as a new diagnostic for tagging recent interactions in QSO host galaxies. With this technique we also identified a QSO with extremely low gas-phase metallicity as likely evidence for gas accretion from the environment.

Keywords

galaxies: activequasars: emission linesHII regionsISM: abundances
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S295: The intriguing life of massive galaxies , August 2012 , pp. 269
Copyright
Copyright © International Astronomical Union 2013 

References

Husemann, B., et al. 2011, A&A, 535, A72Google Scholar