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Molecules with ALMA at Planet-forming Scales (MAPS): A Circumplanetary Disk Candidate in Molecular-line Emission in the AS 209 Disk

Authors: Jaehan Bae, Richard Teague, Sean M. Andrews, Myriam Benisty, Stefano Facchini, Maria Galloway-Sprietsma, Ryan A. Loomis, Yuri Aikawa, Felipe Alarcón, Edwin Bergin, Jennifer B. Bergner, Alice S. Booth, Gianni Cataldi, L. Ilsedore Cleeves, Ian Czekala, Viviana V. Guzmán, Jane Huang, John D. Ilee, Nicolas T. Kurtovic, Charles J. Law, Romane Le Gal, Yao Liu, Feng Long, François Ménard, Karin I. Öberg, Laura M. Pérez, Chunhua Qi, Kamber R. Schwarz, Anibal Sierra, Catherine Walsh, David J. Wilner, Ke Zhang

Jaehan Bae et al 2022 The Astrophysical Journal Letters 934 .

Provider: AAS Journals

Caption: Figure 4.

(Left) C¹⁸O J = 2−1 channel map at 4.8 km s⁻¹, which is the velocity that the ¹³CO point source has the largest intensity. (Right) The combined MAPS + DSHARP continuum image. The color table is saturated toward the disk center and stretched to better show faint emission at large radii. In both panels, the white contours show the ¹³CO J = 2−1 emission at 4.8 km s⁻¹ at 5σ and 10σ levels. In the lower-left corner of each panel, synthesized beams for the C¹⁸O and continuum data are shown with yellow ellipses while the synthesized beam for the ¹³CO data is shown with white ellipses.

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