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exoALMA. XXIV. Formaldehyde Emission in Protoplanetary Disks of exoALMA Compared with Their Properties and Dynamical State

  • Authors: Felipe Alarcón, Stefano Facchini, Leon Trapman, Pietro Curone, Luna Rampinelli, Sean M. Andrews, Jaehan Bae, Marcelo Barraza-Alfaro, Myriam Benisty, Maria Galloway-Sprietsma, Cassandra Hall, John D. Ilee, Giuseppe Lodato, Christophe Pinte, Jochen Stadler, Richard Teague, David J. Wilner, Ke Zhang

Felipe Alarcón et al 2026 The Astrophysical Journal Letters 1000 .

  • Provider: AAS Journals

Caption: Figure 1.

Left: integrated emission maps of the H2CO 4(0,4)–3(0,3) line for the observed sources. Right: peak intensity emission for the same line. Continuum emission at 0.8 mm contours is overlaid to compare with the formaldehyde emission in the disks. Beams are illustrated on the bottom-right with solid white for continuum images and dashed lines for line emission. The bottom-left bar represents a respective 100 au physical scale for each source. For most disks, there are no clear correspondences between the dust continuum contours and the integrated maps.

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