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Hubble Space Telescope Observations within the Sphere of Influence of the Powerful Supermassive Black Hole in PKS 0745-191

Authors: Julie Hlavacek-Larrondo, Hyunseop Choi, 섭 최현, Minghao Guo, 浩明, Annabelle Richard-Laferrière, Carter Rhea, Marine Prunier, Helen Russell, Andy Fabian, Jonelle L. Walsh, Marie-Joëlle Gingras, Brian McNamara, Steve Allen, André-Nicolas Chené, Alastair Edge, Marie-Lou Gendron-Marsolais, Michael McDonald, Priyamvada Natarajan, Jeremy Sanders, James F. Steiner, Benjamin Vigneron, Anja von der Linden

Julie Hlavacek-Larrondo et al 2025 The Astrophysical Journal 980 .

Provider: AAS Journals

Caption: Figure 14.

Distribution of velocity shifts between neighboring STIS pixels as a function of velocity. The chaotic nature of ionized gas kinematics is highlighted with velocity shifts reaching up to ±400 km s⁻¹ between adjacent pixels. Position 1, which encompasses the nucleus, shows predominantly positive velocity shifts, while Positions 2 and 3 exhibit more negative shifts, highlighting the disturbed flow of gas near the AGN.

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