Abstract
We investigate multicolour imaging data of a complete sample of low redshift (z < 0.2) QSO host galaxies. The sample was imaged in four optical (BVRi) and three near-infrared bands (JHKs), and in addition spectroscopic data is available for a majority of the objects.
We extract host luminosities for all bands by means of two-dimensional modeling of galaxy and nucleus. Optical and optical-to-NIR colours agree well with the average colours of inactive early type galaxies. The six independent colours are used to fit population synthesis models. We assess the presence of young populations in the hosts for which evidence shows to be very weak.
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© 2001 Springer Science+Business Media New York
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Jahnke, K., Kuhlbrodt, B., Örndahl, E., Wisotzki, L. (2001). QSO Host Galaxy Star Formation History from Multicolour Data. In: Márquez, I., Masegosa, J., del Olmo, A., Lara, L., García, E., Molina, J. (eds) QSO Hosts and Their Environments. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-0695-9_15
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DOI: https://doi.org/10.1007/978-1-4615-0695-9_15
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-5199-3
Online ISBN: 978-1-4615-0695-9
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