Open Access
Table 1.
Variability and spectral types in the sample according to the GCVS.
| Var. type | SpT | Total | |||
|---|---|---|---|---|---|
| M | S | C | Indef. | ||
| Mira | 1433 | 107 | 132 | 1234 | 2906 |
| Semi-regular( * ) | 73 | 2 | 7 | 99 | 181 |
| Irregular | 7 | 1 | – | 5 | 13 |
| Total | 1513 | 110 | 139 | 1338 | 3100 |
Notes. ( * )Semi-regulars of the SRc and SRd types consisting of red supergiants and yellow giants have not been considered in the sample. Only one SRd type, namely W LMi, has been retained because of its ambiguous spectral classification, G2e-K2e(M3).
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