Table 2: Integrated optical depth: Cen A (NGC 5128).
Line $\sigma_{l/c}$ Low v1 High v Total
    km s-1 km s-1 km s-1
H I 0.0022 14.03(0.02) 13.53 (0.02) 27.43 (0.03)
OH 0.0020 0.218(0.008) 0.225(0.013) 0.463(0.015)
HCO+ 0.017 15.83(0.18) 6.34 (0.10) 22.16 (0.21)

1 v < 565 km s-1.

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