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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 10.

(Left) Peak intensity as a function of the beam minor axis. (Right) Integrated intensity as a function of the beam minor axis. Note that both peak intensity and integrated intensity stay constant when the beam is ≲120 mas, suggesting that the CPD is spatially unresolved. When the beam is >120 mas, the peak intensity and integrated intensity increase due to the contamination from the circumstellar disk. In both panels, blue points present intensities in the fiducial image cube whereas red points present intensities in the image cube where the half-channel shift is applied.

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