Table 1
[Cii]λ158 μm line measurements for 3C 326N.
Line | Wavelengtha | Shiftb | Peak fluxc | σ | FWHMd | FWHM-int e | Fluxf | Luminosity |
component | [μm] | [km s-1] | [mJy] | [μm] | [km s-1] | [km s-1] | [10-17 W m-2] | [107 L⊙] |
|
||||||||
Central | 171.98 | 67 ± 4 | 0.41 ± 0.03 | 0.102 ± 0.003 | 418 ± 12 | 343 ± 10 | 0.74 ± 0.10 | 3.90 ± 0.58 |
Blue wing | 171.71 | −401 ± 15 | 0.12 ± 0.01 | 0.204 ± 0.005 | 839 ± 21 | 804 ± 20 | 0.44 ± 0.06 | 2.29 ± 0.34 |
|
||||||||
Total | 1.18 ± 0.10 | 6.19 ± 0.99 |
Notes. The line is decomposed into two Gaussian components (a central component and blueshifted broad wing, see Fig. 1). Velocity offsets are given relative to the optical redshift z = 0.09002 and for a rest-frame wavelength λ0([Cii]) = 157.741 μm. The errors in the line flux and luminosity include the statistical error from the fit and the absolute flux calibration error of 12% for the PACS R1 spectral band as given in the PACS ICC Spectroscopy Performance and Calibration document. The final error estimates are due to all uncertainties added in quadrature.
Velocity shift of the fitted Gaussian line with respect to the reference recession velocity of the galaxy.
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