Table 2: Results of observations.

(1)		 (2) (3) (4) (5) (6) (7) (8)
Galaxy I10 I21 $W_{50}^{\rm CO}$ $v_{\rm CO}$ $M_{\rm H_2}$ $M_{\rm H_2}$(var) $M_{\rm HI}$
  [ $\>{\rm K}~{\rm km}~{\rm s}^{-1}$] [ $\>{\rm K}~{\rm km}~{\rm s}^{-1}$] [ $\>{\rm km}~{\rm s}^{-1}$] [ $\>{\rm km}~{\rm s}^{-1}$] [ $10^6\>{M_{\odot}}$] [ $10^6\>{M_{\odot}}$] [ $10^9\>{M_{\odot}}$]

NGC 337a		 <0.46 <1.01 - - <4.0 <14.4 4.6
MCG 1-3-85 1.39 $\pm$ 0.18 1.39 $\pm$ 0.49 67$\pm$8 1092 12.7 22.2 3.6
NGC 428 <0.74 <1.23 - - <8.2 <7.6 5.0
UGC 3574 1.16 $\pm$ 0.18 <0.78 123$\pm$32 1426 27.2 30.7 5.8
UGC 3826 <0.26 <0.98 - - <8.6 <12.1 5.0
NGC 2552 <0.79 <0.99 - - <3.3 <6.2 0.7
UGC 4499 <0.44 <1.53 - - <2.9 <6.6 1.1
NGC 2805 2.34 $\pm$ 0.10 3.28 $\pm$ 0.48 29$\pm$1 1742 79.2 37.7 18.5
UGC 5015 <0.71 <0.95 - - <20.1 <42.1 1.3
UGC 5288 <0.53 <0.47 - - <1.5 <6.2 0.3
NGC 3206 <0.52 <1.08 - - <8.6 <8.8 3.2
NGC 3346 3.58 $\pm$ 0.23 1.57 $\pm$ 0.66 81$\pm$6 1244 54.2 53.6 1.4
NGC 3423 2.70 $\pm$ 0.24 2.67 $\pm$ 0.70 66$\pm$6 1002 24.7 21.8 2.3
NGC 3445 0.89 $\pm$ 0.10 1.41 $\pm$ 0.46 40$\pm$5 2042 39.3 29.4 4.7
NGC 3782 0.68 $\pm$ 0.11 1.05 $\pm$ 0.33 56$\pm$10 753 5.3 9.4 1.3
NGC 3906 0.37 $\pm$ 0.12 <0.86 19$\pm$6 969 4.4 7.6 0.3
NGC 3913 1.88 $\pm$ 0.22 1.98 $\pm$ 0.67 24$\pm$2 961 23.3 34.6 0.9
UGC 6931 <0.50 <1.23 - - <9.2 <18.3 0.6
NGC 4204 0.50 $\pm$ 0.14 <1.65 34$\pm$13 849 4.1 6.5 1.5
NGC 4242 <0.90 <0.98 - - <4.3 <4.6 1.2
NGC 4299 0.48 $\pm$ 0.14 0.54 $\pm$ 0.19 24$\pm$8 223 5.8 7.7 1.1
NGC 4395 <0.58 <0.70 - - <1.3 <1.4 3.7
NGC 4416 5.08 $\pm$ 0.19 4.58 $\pm$ 0.34 78$\pm$3 1391 93.3 114.5 0.5
NGC 4411B 0.88 $\pm$ 0.10 <0.56 37$\pm$5 1268 13.8 16.5 1.2
NGC 4487 3.23 $\pm$ 0.15 3.74 $\pm$ 0.55 80 $\pm$4 1026 29.5 34.4 1.8
NGC 4496A 2.17 $\pm$ 0.18 2.23 $\pm$ 0.63 48$\pm$5 1734 59.5 37.1 7.2
NGC 4517A <0.65 <1.03 - - <13.7 <14.6 5.1
NGC 4519 2.93 $\pm$ 0.27 2.31 $\pm$ 0.77 92$\pm$10 1231 43.0 41.9 3.9
NGC 4534 <0.42 <1.31 - - <3.6 <5.7 3.1
NGC 4540 5.57 $\pm$ 0.19 5.25 $\pm$ 0.39 75$\pm$3 1303 93.6 89.5 0.6
NGC 4618 0.72 $\pm$ 0.17 0.80 $\pm$ 0.13 19$\pm$5 534 3.5 3.5 2.3
NGC 4625 3.78 $\pm$ 0.11 4.32 $\pm$ 0.46 37$\pm$1 615 22.2 41.5 1.0
NGC 4688 0.44 $\pm$ 0.08 <0.41 20$\pm$5 983 4.2 5.6 1.9
NGC 4701 2.90 $\pm$ 0.22 3.02 $\pm$ 0.40 99$\pm$10 704 15.0 28.3 1.6
NGC 4775 1.63 $\pm$ 0.22 1.18 $\pm$ 0.23 31$\pm$6 1562 35.1 27.6 3.7
UGC 8516 1.20 $\pm$ 0.19 <1.35 69$\pm$13 1026 14.0 30.5 0.3
NGC 5477 <0.43 <0.40 - - <1.2 <5.7 0.2
NGC 5584 <0.50 2.1$\pm$0.57 14$\pm$5* 1637* 13.2* 11.4* 4.0
NGC 5669 2.28 $\pm$ 0.27 3.02 $\pm$ 0.67 86$\pm$15 1369 43.9 33.3 4.7
NGC 5668 1.78 $\pm$ 0.26 1.52 $\pm$ 0.66 41$\pm$7 1602 43.2 31.7 6.1
NGC 5725 1.12 $\pm$ 0.24 <3.90 45$\pm$19 1648 28.6 47.9 0.5
NGC 5789 <0.74 <3.90 - - <25.9 <45.4 1.4
NGC 5964 0.89 $\pm$ 0.17 <0.67 43$\pm$8 1471 18.8 17.3 5.1
NGC 6509 5.97 $\pm$ 0.23 4.85 $\pm$ 0.98 118$\pm$5 1830 193.5 180.9 6.2
UGC 12082 <0.46 <1.76 - - <3.8 <10.0 1.4
UGC 12732 <0.40 <0.94 - - <2.6 <6.7 2.5
NGC 7741 1.63 $\pm$ 0.20 1.75 $\pm$ 0.24 114$\pm$15 767 10.9 12.3 1.9
Columns 2 and 3: velocity integrated intensity of the $\rm ^{12}CO(1{-}0)$ and (2-1) lines. The temperature refers to the main beam temperature scale ( $T_{\rm mb}$). Upper limits were derived as discussed in Sect. 3. Columns 4 and 5: FWHM and central velocity of the (1-0) line derived from Gauss-fits to the line, except in the case of NGC 7741 (see text). Columns 6 and 7: molecular gas mass derived with a constant (6) and luminosity-dependent (7) conversion factor (see Sect. 3.2). The values for NGC 5584 (flagged with a *) were derived from the (2-1) line intensity. Column 8: atomic gas mass, calculated from the $21\>{\rm cm}$ flux. See Sect. 3.2 for details.

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