I[C II]/I[$^{12}$CO] ratio
like comparing peak values coinciding with regions of enhanced TeV γ-ray emission
Technical definition
A ratio of the intensity of the carbon-2 line emission to the intensity of the $^{12}$CO emission.
like comparing peak values coinciding with regions of enhanced TeV γ-ray emission
A ratio of the intensity of the carbon-2 line emission to the intensity of the $^{12}$CO emission.