Observed virial ratio plotted against the energy conversion efficiency of gravitational energy into kinetic energy for the combined JVLA/GBT data (in blue), and the JVLA-only data (in orange). Only starless along the filaments are plotted, as proto-stellar or hub centre cores are subject to extra energy source that will effect the estimate of ϵ. Errors were propagated using a Monte Carlo error propagation method.
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