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Table 5.

CO fluxes, luminosities, and molecular gas masses of NGC 3278, based on the data from Albrecht et al. (2007).

CO FWHM Fint log(LCO) log(MH2)
trans. (″) (Jy km s−1) (K km s−1 pc2) (L) (M)
(1) (2) (3) (4) (5) (6)
1–0 45 132 8.75 4.41 9.45
2–1 24 184 8.29 4.86 9.29



CO transition.


Full width at half maximum of the telescope (green circles on Fig. A.1).


Integrated flux.


Line luminosity using Eq. (3) in Solomon et al. (1997).


Line luminosity in solar luminosity units.


Molecular hydrogen mass assuming CO-to-H2 conversion factor αCO = 5 M/(K km s−1 pc2). In order to calculate MH2 from the 2–1 transition, we assumed

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