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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 2.

VLA 44 GHz (left), 22 GHz (middle), and 10 GHz (right) continuum images for GSS30-IRS3, centered on the position shown in Table 1. The transition in morphology from disklike (44 GHz) to extended emission perpendicular to the disk (10 GHz) reveals a changing dominant emission mechanism with frequency. We overlay 3σ and 5σ contours in white with σ =  rms as defined in Table E1. Beam sizes are shown in the bottom left of each panel, with a shared 50 au scale bar shown in the bottom right of the final panel.

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