Table 2
Velocities of Hα and Hβ profiles in the core and outer blobs of M 2–9 obtained by Gaussian fit.
| Structure | V Hα | V Hβ |
|
|
||
| Core 1st peak | 18 (40) | 10 (40) |
| Core 2nd peak | 92 (45) | 77 (45) |
| North blob | 267 (85) | 253:(80) |
| South blob | 177 (85) | 162 (80) |
| VN | 192 | 188: |
| VS | 102 | 102 |
Notes. Line widths (full width at a half maximum, corrected for instrumental broadening) are indicated in parenthesis. All figures are in km s-1 and heliocentric, except for VN and VS which are relative to the core profile (see text). The symbol “:” indicates the uncertain measurement due to poor signal in the Hβ line in the northern blob.
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