The Determination of Protoplanetary Disk Masses View Full Text


Ontology type: schema:Chapter      Open Access: True


Chapter Info

DATE

2017-08-17

AUTHORS

Edwin A. Bergin , Jonathan P. Williams

ABSTRACT

In this article we introduce methods used to determine the gas and dust masses of protoplanetary disks, with an emphasis on the lesser characterized total gas mass. Our review encompasses all the indirect tracers and the methodology that is being used to isolate the hidden H2 via dust, CO, and HD emission. We discuss the overall calibration of gaseous tracers which is based on decades of study of the dense phases of the interstellar medium. At present, disk gas masses determined via CO and HD are (in a few instances) different by orders of magnitude, hinting at either significant evolution in total disk mass or in the CO abundance. Either of these would represent a fundamental physical or chemical process that appears to dominate the system on ∼ million year timescales. Efforts to reconcile these differences using existing and future facilities are discussed. More... »

PAGES

1-37

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-319-60609-5_1

DOI

http://dx.doi.org/10.1007/978-3-319-60609-5_1

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1093154366


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