<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>G.~F. Hägele |</title><link>https://mrkrmh.github.io/authors/g.~f.-hagele/</link><atom:link href="https://mrkrmh.github.io/authors/g.~f.-hagele/index.xml" rel="self" type="application/rss+xml"/><description>G.~F. Hägele</description><generator>HugoBlox Kit (https://hugoblox.com)</generator><language>en-us</language><lastBuildDate>Sun, 01 Mar 2026 00:00:00 +0000</lastBuildDate><item><title>Identifying AGNs from X-ray detections-I: Metallicity calibrations in AGNs with X-ray luminosity as the primary input parameter</title><link>https://mrkrmh.github.io/publication/2026-mnras-tmp-531-a/</link><pubDate>Sun, 01 Mar 2026 00:00:00 +0000</pubDate><guid>https://mrkrmh.github.io/publication/2026-mnras-tmp-531-a/</guid><description/></item><item><title>Metallicity of active galactic nuclei from ultraviolet and optical emission lines ─ II. Revisiting the C43 metallicity calibration and its implications</title><link>https://mrkrmh.github.io/publication/2025-mnras-542-3181-d/</link><pubDate>Wed, 01 Oct 2025 00:00:00 +0000</pubDate><guid>https://mrkrmh.github.io/publication/2025-mnras-542-3181-d/</guid><description/></item><item><title>Chemical abundances in Seyfert galaxies - X. Sulphur abundance estimates</title><link>https://mrkrmh.github.io/publication/2023-mnras-521-1969-d/</link><pubDate>Mon, 01 May 2023 00:00:00 +0000</pubDate><guid>https://mrkrmh.github.io/publication/2023-mnras-521-1969-d/</guid><description/></item><item><title>Chemical abundances in Seyfert galaxies - VII. Direct abundance determination of neon based on optical and infrared emission lines</title><link>https://mrkrmh.github.io/publication/2021-mnras-508-371-a/</link><pubDate>Mon, 01 Nov 2021 00:00:00 +0000</pubDate><guid>https://mrkrmh.github.io/publication/2021-mnras-508-371-a/</guid><description/></item><item><title>Chemical abundances in Seyfert galaxies - V. The discovery of shocked emission outside the AGN ionization axis</title><link>https://mrkrmh.github.io/publication/2021-mnras-501-l-54-r/</link><pubDate>Mon, 01 Feb 2021 00:00:00 +0000</pubDate><guid>https://mrkrmh.github.io/publication/2021-mnras-501-l-54-r/</guid><description/></item><item><title>Chemical abundances of Seyfert 2 AGNs - III. Reducing the oxygen abundance discrepancy</title><link>https://mrkrmh.github.io/publication/2020-mnras-496-3209-d/</link><pubDate>Sat, 01 Aug 2020 00:00:00 +0000</pubDate><guid>https://mrkrmh.github.io/publication/2020-mnras-496-3209-d/</guid><description/></item><item><title>Chemical abundances of Seyfert 2 AGNs - II. N2 metallicity calibration based on SDSS</title><link>https://mrkrmh.github.io/publication/2020-mnras-492-5675-c/</link><pubDate>Sun, 01 Mar 2020 00:00:00 +0000</pubDate><guid>https://mrkrmh.github.io/publication/2020-mnras-492-5675-c/</guid><description/></item><item><title>Chemical abundances of Seyfert 2 AGNs - I. Comparing oxygen abundances from distinct methods using SDSS</title><link>https://mrkrmh.github.io/publication/2020-mnras-492-468-d/</link><pubDate>Sat, 01 Feb 2020 00:00:00 +0000</pubDate><guid>https://mrkrmh.github.io/publication/2020-mnras-492-468-d/</guid><description/></item></channel></rss>