<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Astrophysics of Galaxies | Borja Perez-Diaz</title><link>https://borja-perez-diaz.github.io/me/tags/astrophysics-of-galaxies/</link><atom:link href="https://borja-perez-diaz.github.io/me/tags/astrophysics-of-galaxies/index.xml" rel="self" type="application/rss+xml"/><description>Astrophysics of Galaxies</description><generator>Hugo Blox Builder (https://hugoblox.com)</generator><language>en-us</language><lastBuildDate>Sun, 01 Jun 2025 00:00:00 +0000</lastBuildDate><image><url>https://borja-perez-diaz.github.io/me/media/icon_hu7729264130191091259.png</url><title>Astrophysics of Galaxies</title><link>https://borja-perez-diaz.github.io/me/tags/astrophysics-of-galaxies/</link></image><item><title>Sulphur abundances in star-forming regions from optical emission lines: A new approach based on photoionization models consistent with the direct method</title><link>https://borja-perez-diaz.github.io/me/publication/2025-ar-xiv-250614736-p/</link><pubDate>Sun, 01 Jun 2025 00:00:00 +0000</pubDate><guid>https://borja-perez-diaz.github.io/me/publication/2025-ar-xiv-250614736-p/</guid><description/></item><item><title>Exploring the hardness of the ionizing radiation with the infrared softness diagram: II. Bimodal distributions in both the ionizing continuum slope and the excitation in active galactic nuclei</title><link>https://borja-perez-diaz.github.io/me/publication/2025-aa-696-a-229-p/</link><pubDate>Tue, 01 Apr 2025 00:00:00 +0000</pubDate><guid>https://borja-perez-diaz.github.io/me/publication/2025-aa-696-a-229-p/</guid><description/></item></channel></rss>