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Resolved UV–Optical HST Imaging and Spectral Energy Distribution Modeling of Nearby BAT Active Galactic Nuclei

  • Authors: Connor Auge, Michael Koss, Kriti K. Gupta, Claudio Ricci, Benny Trakhtenbrot, Franz E. Bauer, Ezequiel Treister, Alessandro Peca, Brad Cenko, Kohei Ichikawa, Arghajit Jana, Darshan Kakkad, Richard Mushotzky, Kyuseok Oh, Alejandra Rojas Lilayú, David Sanders, Roberto Serafinelli, Matilde Signorini, Alessia Tortosa, C. Megan Urry

Connor Auge et al 2026 The Astrophysical Journal 1002 .

  • Provider: AAS Journals

Caption: Figure 3.

The optical/UV SEDs and Swift/XRT data fit with the XSPEC models as described in Section 3.4. Black data points and the red line show the HST data and fit, while gray data points and the orange line show the Swift/UVOT data and fits from G24. The models fit to the HST data include a photoionization absorption component that was not included in G24. This component affects the emission in the EUV, which is unconstrained in both datasets (shown in in gray).

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