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A JWST, ALMA, and VLA Survey of the Ophiuchus A Star-forming Region: Unveiling Hidden Dust Mass and Connecting Infrared Outflows to Their Radio Origins

  • Authors: Isaac C. Radley, John D. Ilee, Gemma Busquet, Hauyu Baobab Liu, Klaus M. Pontoppidan, Alvaro Ribas, Marc Audard, Eleonora Bianchi, Tyler L. Bourke, Claudio Codella, Audrey Coutens, Josep M. Girart, Melvin G. Hoare, Izaskun Jiménez-Serra, Doug Johnstone, Laurent Loinard, Olja Panić, Jaime E. Pineda, Linda Podio, John J. Tobin, David J. Wilner

Isaac C. Radley et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 5.

Radio SEDs and their derived spectral indices for all objects in our sample, annotated in the top left alongside their class. Flux densities taken from this work are presented with filled circles and flux densities from the literature are shown as open circles. Posterior realizations are shown as gray shaded regions, with the posterior median indicated as black dashed lines. For GSS30-IRS1 and DoAr24Eb, we use a single power-law fit to the radio SED and so only present α. Spectral indices for αdust are shown in the top left and αionized in the bottom right.

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