Table 3
Some characteristic numbers calculated by phase for Runs 1Ωp , 2Ωp and 4Ωp .
| Phase |  |
Co | ωrms |  |
 |
||
|---|---|---|---|---|---|---|---|
| [ km s−1] | [ Gyr−1] | [ωrmsu′ rms] | [ωrmsu′ rms] | ||||
| Cold | 8.7 | 1.15 | 173.3 (1.0) | − 0.04 | − 0.01 | ||
| 4Ωp | Warm | 19.7 | 1.01 | 258.3 (1.3) | − 2.15 | 1.37 | |
| Hot | 43.3 | 0.69 | 750.8 (2.6) | − 3.77 | 4.28 | ||
| Cold | 10.2 | 0.49 | 167.9 (0.8) | − 0.01 | 0.03 | ||
| 2Ωp | Warm | 23.3 | 0.43 | 272.6 (1.2) | − 0.57 | 0.74 | |
| Hot | 49.0 | 0.31 | 822.0 (2.5) | − 1.94 | 0.91 | ||
| Cold | 8.7 | 0.29 | 152.2 (0.9) | − 0.06 | − 0.07 | ||
| 1Ωp | Warm | 19.8 | 0.25 | 242.0 (1.2) | − 0.22 | 0.23 | |
| Hot | 44.0 | 0.17 | 756.0 (2.6) | − 0.48 | 1.24 | ||
Notes. Cold phase comprises all gas in the entropy range
s < 4.4, hot
s > 23.2,
and warm in between, defined in units of
s [108 erg g−1 K−1].
The numbers are calculated by analysing an ensemble
of 301 snapshots at Myr intervals. For all runs
Co = −2 Sh,
and Co
is computed using the value of
u′rms
relevant to the phase, and with
l0 = 100 pc for the warm
gas and 150 pc
for the hot (both based on estimates by Hollins et al. 2017) and
l0 ≲ 50 pc
for the cold gas (from visual inspection of the
typical maximal span of cold regions). Values for
ωrms
in brackets are normalised by phase
.
Phase helicities have a common normalisation, using
u′rms and
ωrms
for the whole ISM in each run.
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