AGN outflow feedback: Constraints from variability

TL;DR

This paper discusses how variability analysis using high-resolution X-ray spectroscopy can constrain the location of ionized outflows in AGNs, which is essential for understanding their impact on galaxy evolution.

Contribution

It demonstrates the importance of long-term monitoring and frequent observations to determine outflow locations in AGNs, focusing on NGC 5548.

Findings

Variability analysis constrains outflow location in AGNs.

Long-term monitoring is crucial for understanding outflow effects.

NGC 5548 serves as a key case study.

Abstract

We present an overview on how variability can be used to constrain the location of the ionized outflow in nearby Active Galactic Nuclei using high-resolution X-ray spectroscopy. Without these constraints on the location of the outflow, the kinetic luminosity and mass loss rate can not be determined. We focus on the Seyfert 1 galaxy NGC 5548, which is arguably the best studied AGN on a timescale of 10 years. Our results show that frequent observations combined with long term monitoring, such as with the \textit{Rossi X-ray Timing Explorer (RXTE)} satellite, are crucial to investigate the effects of these outflows on their surroundings.