Transient and Variable Ultra-luminous X-ray Sources in NGC 4552

arXiv:2607.07568 · astro-ph.HE · Submitted 2026-07-08 · Read on arXiv

V. Jithesh, A. S. Sreya, Riya Elza Mathew, E. Sreeraj, R. Arun

astro-ph.HE

Submitted: 2026-07-08

Comments: 10 Pages, 3 Figures, 6 Tables, Accepted for publication in Monthly Notices of the Royal Astronomical Society Main Journal

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• AGN — 5× in this paper · explained in 1 episode
• Aperture — 3× in this paper · explained in 1 episode
• Elias — 3× in this paper · explained in 2 episodes
• Aperture Photometry — 2× in this paper · explained in 1 episode
• Calibration — 2× in this paper · explained in 7 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
• Ancillary Response File — 1× in this paper
• European Photon Imaging Camera — 1× in this paper
• High Energy Astrophysics Science Archive Research Center — 1× in this paper

Sources

• Central UV Spikes in two Galactic Spheroids
• Chandra X-Ray Observatory (CXO):Overview

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