|7-9||-0.90 0.04||1.03 0.06||216||0.54 0.06||9|
|9-11||-1.43 0.06||1.67 0.08||356||0.63 0.04||15|
|11-13||-1.46 0.06||1.55 0.08||297||0.62 0.05||13|
|7-9||0.18 0.04||0.88 0.06||218||0.51 0.06||9|
|9-11||0.45 0.04||1.50 0.07||356||0.62 0.04||15|
|11-13||0.35 0.04||1.35 0.07||297||0.62 0.05||14|
Notes. Ordinary least-squares fits of the bisector log ( ) = log (X), where is the face-on surface density of the star formation rate in Gyr-1 pc-2, X = is the face-on gas surface density in pc-2 and X = is the gas volume density in at cm-3. n is the number of independent points; is the correlation coefficient and t the student-t test.
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