The Active Nucleus in NGC 4579
Roberto B. Menezes, Jo\~ao E. Steiner, Tiago V. Ricci, Alexandre S., Oliveira
TL;DR
This paper analyzes the nuclear region of the LINER galaxy NGC 4579 using PCA tomography on IFU data, revealing details about its active nucleus and AGN characteristics.
Contribution
It applies PCA tomography to IFU data of NGC 4579's nucleus, providing a novel analysis method for LINER galaxy nuclei.
Findings
Identification of nuclear emission features
Insights into the active galactic nucleus
Enhanced understanding of LINER galaxy properties
Abstract
In this work, we present an analysis of a data cube obtained with the instrument IFU/GMOS Gemini North telescope centered on the nuclear region of the LINER galaxy NGC 4579. This galaxy is known to have a type 1 AGN (see Eracleous et al. 2002 for a review). The methodology used for the analysis of the data cube was PCA tomography (Steiner et al. 2009), which consists of applying the statistical tool known as principal component analysis (PCA) to extract information from data cubes.
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