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A Wideband Chemical Survey of Massive Star-forming Regions at Subarcsecond Resolution with the Submillimeter Array
Charles J. Law, Qizhou Zhang, Arielle C. Frommer +7
Massive star-forming regions exhibit a rich chemistry with complex gas distributions, especially on small scales. While surveys have yielded constraints on typical gas conditions,…
Molecules with ALMA at Planet-forming Scales (MAPS) IV: Emission Surfaces and Vertical Distribution of Molecules
Charles J. Law, Richard Teague, Ryan A. Loomis +32
The Molecules with ALMA at Planet-forming Scales (MAPS) Large Program provides a unique opportunity to study the vertical distribution of gas, chemistry, and temperature in the pro…
An ALMA Survey of Chemistry in Disks around M4-M5 Stars
Jamila Pegues, Karin I. Oberg, Jennifer B. Bergner +10
M-stars are the most common hosts of planetary systems in the Galaxy. Protoplanetary disks around M-stars thus offer a prime opportunity to study the chemistry of planet-forming en…
Science with an ngVLA: Organics in Disk Midplanes with the ngVLA
Karin I. Oberg, L. Ilsedore Cleeves, Ryan Loomis
Planets assemble in the midplanes of protoplanetary disks. The compositions of dust and gas in the disk midplane region determine the compositions of nascent planets, including the…
H2CO distribution and formation in the TW Hya disk
Karin I. Oberg, Viviana V. Guzman, Christopher J. Merchantz +8
H2CO is one of the most readily detected organic molecules in protoplanetary disks. Yet its distribution and dominant formation pathway(s) remain largely unconstrained. To address…
The Distribution and Chemistry of HCO in the DM Tau Protoplanetary Disk
Ryan A. Loomis, L. Ilsedore Cleeves, Karin I. Öberg +2
HCO ice on dust grains is an important precursor of complex organic molecules (COMs). HCO gas can be readily observed in protoplanetary disks and may be used to trace COM c…