Table 3
Collected Hi 21 cm and 12CO (1–0 or 2–1) emission line data used to derive the mass surface density of the atomic and molecular gas, respectively.
| Galaxy | Instrument Hi (FWHM) | Ref. Hi | Pixel size Hi | Instrument 12CO (FWHM) | Ref. 12CO (12CO line) | Pixel size 12CO |
|
|
||||||
| NGC 5457 (M 101) | VLA (6′′) | 1 | 11′′ | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
| NGC 3031 (M 81) | VLA (6′′) | 1 | 11′′ | BIMA (6′′) | 5 (1–0) | 1′′ |
| NGC 2403 | VLA (6′′) | 1 | 11′′ | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
| IC 342 | VLA (38′′) | 2 | 6′′ | NRO 45 m (15′′) | 6 (1–0) | 1′′ |
| NGC 300 | ||||||
| NGC 5194 (M 51) | VLA (6′′) | 1 | 11′′ | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
| NGC 5236 (M 83) | VLA (6′′) | 1 | 11′′ | |||
| NGC 1365 | ||||||
| NGC 5055 (M 63) | VLA (6′′) | 1 | 11′′ | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
| NGC 6946 | VLA (6′′) | 1 | 11′′ | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
| NGC 925 | VLA (6′′) | 1 | 11′′ | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
| NGC 1097 | ATFN Mopra 22 m (30′′) | 7 (1–0) | 1′′ | |||
| NGC 7793 | VLA (6′′) | 1 | 11′′ | |||
| NGC 628 (M 74) | VLA (6′′) | 1 | 11′′ | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
| NGC 3621 | VLA (6′′) | 1 | 11′′ | |||
| NGC 4725 | WSRT (13.̋22) | 3 | 13.̋22 | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
| NGC 3521 | VLA (6′′) | 1 | 11′′ | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
| NGC 4736 (M 94) | VLA (6′′) | 1 | 11′′ | IRAM 30 m (11′′) | 4 (2–1) | 2′′ |
Reference. For the Hi and 12CO FWHM values are: 1) THINGS survey (Walter et al. 2008); 2) NED (Crosthwaite et al. 2001); 3) WHISP survey from NED (Swaters et al. 2002); 4) HERACLES survey (Leroy et al. 2012); 5) BIMA SONG survey (Helfer et al. 2003); 6) Nobeyama CO Atlas of Nearby Spiral Galaxies (Kuno et al. 2007); 7) priv. comm. (PI’s proposal: M. W. L. Smith).
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