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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 4.

Zoom-in onto the BCG in PKS 0745-191 in a 4″ by 4″ box. Left: Atacama Large Millimeter/submillimeter Array (ALMA) CO(3-2) flux map showing a lack of emission in the central region. Right: ACS FR716N narrow-band image that covers Hα/[N II] emission lines. We highlight the location of the three STIS slits, each with a size of 0﹩\mathop{.}\limits^{\unicode{x02033}}﹩1 by 52″, as well as the size of each pixel along the slit. In addition, we show the sphere of influence for a 1.5 × 1010 M⊙ SMBH. Right-inset: zoom-in on the Hα flux map measured from the STIS observations, with the sphere of influence overplotted.

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