Table 2
CO results for the PHANGS galaxies.
| Galaxy | αMK | αpy | nGMC | Lmin,CO | Rmed | αMK,in,αpy, in | nGMC,in | αMK, out, αpy, out | nGMC,out | |
|---|---|---|---|---|---|---|---|---|---|---|
| NGC0628 | 1.85 ± 0.040 | 1.95 ± 0.030 | 368 | 149 254 | 3.85 | 0.27 | 1.80, 1.92 | 205 | 1.92, 2.00 | 163 |
| NGC1637 | 2.05 ± 0.066 | 2.06 ± 0.055 | 202 | 89 552 | 2.62 | 0.39 | 1.83, 1.74 | 116 | 2.56, 1.91 | 86 |
| NGC2903 | 1.70 ± 0.023 | 1.77 ± 0.019 | 642 | 134 328 | 5.41 | 0.30 | 1.62, 1.78 | 346 | 1.83, 1.95 | 296 |
| NGC3521 | 2.15, ±0.035 | 2.25 ± 0.027 | 737 | 397 015 | 6.35 | 0.30 | 2.08, 2.28 | 476 | 2.28, 2.40 | 261 |
| NGC3621 | 3.00 ± 0.145 | 2.99 ± 0.131 | 152 | 283 582 | 3.58 | 0.28 | 2.88, 2.10 | 95 | 3.31, 2.25 | 57 |
| NGC3627 | 1.55 ± 0.017 | 1.65 ± 0.015 | 879 | 119 403 | 4.69 | 0.28 | 1.48, 1.66 | 457 | 1.65, 1.83 | 422 |
| NGC5643 | 2.10 ± 0.043 | 2.11 ± 0.049 | 399 | 179 104 | 4.50 | 0.53 | 1.97, 1.82 | 244 | 2.40, 2.00 | 155 |
| NGC6300 | 2.31 ± 0.074 | 2.32 ± 0.067 | 286 | 253 731 | 5.43 | 0.72 | 2.04, 1.99 | 167 | 3.00, 2.20 | 119 |
| M33 | 1.74 ± 0.039 | 1.95 ± 0.030 | 449 | 7000 | 2.82 | 0.37 | 1.51, 1.83 | 241 | 2.00, 2.12 | 208 |
Notes. PHANGS galaxies observed by Rosolowsky et al. (2021) followed by results from fitting the CO luminosity distribution with the Maschberger & Kroupa (2009) method and powerlaw.py algorithm (Alstott et al. 2014). Second column is overall slope, where the second number is determined with powerlaw.py. Third column is the number of GMCs with a flux greater than the value in Col. 4 expressed in units of K km s−1 pc2. Column 4 is designed to be the true completeness limit as explained in the text. Column 5 gives the median galactocentric radius of the GMCs for that galaxy in kpc and as a fraction of R25. The following two columns provide the inner slope with the two methods and the number of GMCs. The next two columns are the same but for the outer parts. Due to the lower number of clouds, the uncertainties on α are higher when the inner and outer parts are evaluated separately.
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