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Evidence for the AGN nature of LINERs

Published online by Cambridge University Press:  01 August 2006

O. González-Martín ,
J. Masegosa ,
I. Márquez  and
E. Jiménez-Bailón
O. González-Martín
Affiliation:
Instituto de Astrofísica de Andalucía (CSIC), Apdo 3004,10080 Granada, Spain, emial: omaira@iaa.es
J. Masegosa
Affiliation:
Instituto de Astrofísica de Andalucía (CSIC), Apdo 3004,10080 Granada, Spain, emial: omaira@iaa.es
I. Márquez
Affiliation:
Instituto de Astrofísica de Andalucía (CSIC), Apdo 3004,10080 Granada, Spain, emial: omaira@iaa.es
E. Jiménez-Bailón
Affiliation:
Università degli Studi Roma Tre, Rome, Italy
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Abstract

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We report the analysis of the X-ray data for a sample of 48 LINER nuclei with available X-ray Chandra imaging. In González-Martín et al. 2006 21 objects had enough count rate to make the spectral analysis. Here we enlarge the sample performing the spectral analysis of the XMM-Newton observations of 7 additional galaxies. Our aim is to investigate the physical mechanisms which power the nuclear activity of LINERs. The use of multiwavelength information at radio, UV, optical HST and X-ray lead us to conclude that at least 60% of the LINERs are hosting a low luminosity AGN in their nuclei.

Keywords

Galaxies: active – X-rays: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S238: Black Holes from Stars to Galaxies – Across the Range of Masses , August 2006 , pp. 373 - 374
Copyright
Copyright © International Astronomical Union 2007

References

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