A new technique for decoupling the host and nuclear spectra of type I AGNs using integral field spectroscopy

Sánchez, S. F.; García-Lorenzo, B.; Jahnke, K.; Mediavilla, E.; González-Serrano, J. I.; Christensen, L.; Wisotzki, L.
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Astronomische Nachrichten, Vol.327, Issue 2/3, p.167-170

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We have developed a new technique to decouple the spectra of the host and the nucleus of type I AGNs using integral field spectroscopy (IFS) data. The technique is a simple extension of methods widely tested in 2D imaging. We present here the results from applying the technique to data taken with INTEGRAL at the 4.2m WHT telescope on the Seyfert 1 radio-galaxy 3C 120. We obtained, for the first time, a clean spectra of the host galaxy, without contamination from the nuclear source.