Star formation in infrared dark clouds: Self-gravity and dynamics
Nicolas Peretto, Mathilde Gaudel, Fabien Louvet, Gary A. Fuller,, Alessio Traficante, Ana Duarte-Cabral
TL;DR
This study investigates the influence of gravity on the dynamics of infrared dark clouds by analyzing kinematic data from 27 clouds, providing insights into star formation processes.
Contribution
It offers new observational data on a large sample of IRDCs, highlighting gravity's role in their dynamical evolution at parsec scales.
Findings
Gravity regulates cloud dynamics on parsec scales
Large sample analysis enhances understanding of star formation
Preliminary results support gravity's significant influence
Abstract
The role played by gravity in the transfer of interstellar matter from molecular cloud scales to protostellar scales is still highly debated. Only detailed studies on the kinematics of large samples of star-forming clouds will settle the issue. We present new IRAM 30m observations of a sample of 27 infrared dark clouds covering a large range of sizes, masses, and aspect ratios. Preliminary results suggest that gravity is regulating the dynamical evolution of these clouds on a couple of parsec scales.
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