CO, CS, HCO, HCO+, C2H, and HCN in the diffuse interstellar medium

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Table 2

Statistical parameters and power-law fits for the data shown in Figure 2.

x-species	y-species	n	<x>	<y>	a	b	r
E_B−V	N(HCO⁺)	73	0.656(0.948) mag	2.130(4.011)×10¹² cm⁻²	12.347(0.065)	1.025(0.113)	0.733
	N(C₂H)	53	0.650(1.040) mag	2.513(3.930)×10¹³ cm⁻²	13.477(0.062)	0.828(0.105)	0.74
	N(HCN)	38	0.754(1.176) mag	3.641(7.347)×10¹² cm⁻²	12.410(0.106)	1.355(0.197)	0.74
	N(CS)	7	2.016(2.300) mag	6.591(5.265)×10¹² cm⁻²	12.538(0.143)	0.975(0.258)	0.860

Notes. The quantities in parentheses are the standard deviation. a and b are fits to log (value of the y-species) = a+b×log (value of the x-species), and r is the correlation coefficient.

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