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Science with an ngVLA: Observing the Effects of Chemistry on Exoplanets and Planet Formation
Brett A. McGuire, Edwin Bergin, Geoffrey A. Blake +6
One of the primary mechanisms for inferring the dynamical history of planets in our Solar System and in exoplanetary systems is through observation of elemental ratios (i.e. C/O).…
Science with an ngVLA: Tracing the Water Snowline in Protoplanetary disks with the ngVLA
Ke Zhang, Edwin A. Bergin, Jonathan P. Williams +1
The water snowline in protoplanetary disks is one of the most pivotal locations for planet formation: it sets a critical boundary of chemical composition in the disk and likely ser…
Evidence For A Vertical Dependence on the Pressure Structure in AS 209
Richard Teague, Jaehan Bae, Tilman Birnstiel +1
We present an improved method to measure the rotation curves for disks with non-axisymmetric brightness profiles initially published in Teague et al. (2018a). Application of this m…
Transport of CO in Protoplanetary Disks: Consequences of Pebble Formation, Settling, and Radial Drift
Sebastiaan Krijt, Kamber R. Schwarz, Edwin A. Bergin +1
Current models of (exo)planet formation often rely on a large influx of so-called `pebbles' from the outer disk into the planet formation region. In this paper, we investigate how…
Temperature, Mass and Turbulence: A Spatially Resolved Multi-Band Non-LTE Analysis of CS in TW~Hya
Richard Teague, Thomas Henning, Stephane Guilloteau +6
Observations of multiple rotational transitions from a single molecule allow for unparalleled constraints on the physical conditions of the emitting region. We present an analysis…
Chemistry During the Gas-rich Stage of Planet Formation
Edwin A. Bergin, L. Ilsedore Cleeves
In this chapter we outline some of the basic understanding of the chemistry that accompanies planet formation. We discuss the basic physical environment which dictates the dominant…