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Molecules with ALMA at Planet-forming Scales (MAPS). VIII. CO Gap in AS 209—Gas Depletion or Chemical Processing?

  • Authors: Felipe Alarcón, Arthur D. Bosman, Edwin A. Bergin, Ke Zhang, Richard Teague, Jaehan Bae, Yuri Aikawa, Sean M. Andrews, Alice S. Booth, Jenny K. Calahan, Gianni Cataldi, Ian Czekala, Jane Huang, John D. Ilee, Charles J. Law, Romane Le Gal, Yao Liu, Feng Long, Ryan A. Loomis, François Ménard, Karin I. Öberg, Kamber R. Schwarz, Merel L. R. van 't Hoff, Catherine Walsh, David J. Wilner

Felipe Alarcón et al 2021 The Astrophysical Journal Supplement Series 257 .

  • Provider: AAS Journals

Caption: Figure 7.

Expected velocity deviations in our models inferred from the pressure profiles. We inferred the velocity deviations using the relationships described by Rosotti et al. (2020). The shaded area illustrates the range of kinematic deviations from the data (see Appendix C). In Model A the deviations are significantly smaller than in Model B. Model A does not present strong kinematic deviations from its pressure profile, while Model B with a gas gap shows deviations of the order of 10% in both surfaces.

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