[1] NGC 5506 is a spiral galaxy seen edge-on, with dust lanes visible south of the nucleus.

[4] The classification of the active nucleus had been an issue of debate, as it lacked broad emission lines in the visual wavelength.

[4] The most accepted theory for the energy source of active galactic nuclei is the presence of an accretion disk around a supermassive black hole.

[9] A broad component of the Fe Kα fluorescent emission line was observed by XMM-Newton.

The galaxy exhibits a central source that accounts for 75% of the total emission and diffuse wing-like emission towards the north-west and east of the nucleus and a low-surface-brightness halo measuring 2.75 arcseconds in diameter that surrounds these features.