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Polycyclic Aromatic Hydrocarbon Emission in the Central Regions of Three Seyferts and the Implication for Underlying Feedback Mechanisms

  • Authors: Lulu Zhang, Ismael García-Bernete, Chris Packham, Fergus R. Donnan, Dimitra Rigopoulou, Erin K. S. Hicks, Ric I. Davies, Taro T. Shimizu, Almudena Alonso-Herrero, Cristina Ramos Almeida, Miguel Pereira-Santaella, Claudio Ricci, Andrew J. Bunker, Mason T. Leist, David J. Rosario, Santiago García-Burillo, Laura Hermosa Muñoz, Francoise Combes, Masatoshi Imanishi, Alvaro Labiano, Donaji Esparza-Arredondo, Enrica Bellocchi, Anelise Audibert, Lindsay Fuller, Omaira González-Martín, Sebastian Hönig, Takuma Izumi, Nancy A. Levenson, Enrique López-Rodríguez, Daniel Rouan, Marko Stalevski, Martin J. Ward

Lulu Zhang et al 2024 The Astrophysical Journal Letters 975 .

  • Provider: AAS Journals

Caption: Figure 5.

Diagnostic diagram of H2 S(0−3)/PAH 7.7 and H2 S(3)/H2 S(1) ratios for apertures in the three targets with markers the same as in Figure 3. The horizontal dashed line shows the upper limit of the H2 S(0−3)/PAH 7.7 ratio given by the photodissociation region models adopted by P. Guillard et al. (2012), and the horizontal arrow indicates the direction of increasing H2 temperature.

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