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