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Molecular Gas Tracers in Young and Old Protoplanetary Disks
Dana E. Anderson, L. Ilsedore Cleeves, Geoffrey A. Blake +6
Molecular emission is used to investigate both the physical and chemical properties of protoplanetary disks. Therefore, to accurately derive disk properties, we need a thorough und…
Protoplanetary Disk Chemistry
Karin I. Öberg, Stefano Facchini, Dana E. Anderson
Planets form in disks of gas and dust around young stars. The disk molecular reservoirs and their chemical evolution affect all aspects of planet formation, from the coagulation of…
New Constraints on Protoplanetary Disk Gas Masses in Lupus
Dana E. Anderson, L. Ilsedore Cleeves, Geoffrey A. Blake +4
Gas mass is a fundamental quantity of protoplanetary disks that directly relates to their ability to form planets. Because we are unable to observe the bulk H content of disks…
Simulating Observations of Ices in Protoplanetary Disks
Nicholas P. Ballering, L. Ilsedore Cleeves, Dana E. Anderson
Ices are an important constituent of protoplanetary disks. New observational facilities, notably the James Webb Space Telescope (JWST), will greatly enhance our view of disk ices b…
Observing Carbon & Oxygen Carriers in Protoplanetary Disks at Mid-infrared Wavelengths
D. E. Anderson, G. A. Blake, L. I. Cleeves +5
Infrared observations probe the warm gas in the inner regions of planet-forming disks around young sun-like, T Tauri stars. In these systems, HO, OH, CO, CO, CH, an…
Unlocking CO Depletion in Protoplanetary Disks II. Primordial C/H Predictions Inside the CO Snowline
Kamber R. Schwarz, Edwin A. Bergin, L. Ilsedore Cleeves +4
CO is thought to be the main reservoir of volatile carbon in protoplanetary disks, and thus the primary initial source of carbon in the atmospheres of forming giant planets. Howeve…
Unlocking CO Depletion in Protoplanetary Disks I. The Warm Molecular Layer
Kamber R. Schwarz, Edwin A. Bergin, L. Ilsedore Cleeves +4
CO is commonly used as a tracer of the total gas mass in both the interstellar medium and in protoplanetary disks. Recently there has been much debate about the utility of CO as a…
Destruction of Refractory Carbon in Protoplanetary Disks
Dana E. Anderson, Edwin A. Bergin, Geoffrey A. Blake +3
The Earth and other rocky bodies in the inner solar system contain significantly less carbon than the primordial materials that seeded their formation. These carbon-poor objects in…