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Table 1.
Classification of E galaxies.
| Type | N(%) | Criteria |
|---|---|---|
| CLE | 251 (73.2%) | Agelw > 4 Gyr, EW(Hα) < 3 Å and red |
| RQE | 35 (10.2%) | Agelw ≤ 4 Gyr and EW(Hα) < 3 Å |
| BSF | 15 (4.4%) | EW(Hα) ≥ 6 Å, below Kewley et al. (2001) line and blue |
| AGN | 5 (1.4%) | EW(Hα) ≥ 6 Å and above Kewley et al. (2001) line |
| UND | 15 (4.4%) | 3 < EW(Hα) ≤ 6 Å |
| Blue RG | 13 (3.8%) | Agelw > 4 Gyr, EW(Hα) < 3 and blue |
| Red SFG | 9 (2.6%) | EW(Hα) ≥ 6 Å, below Kewley et al. (2001) line and red |
Notes. Columns are the type of E galaxy, the number and percentage of each type, and the criteria to classify them.
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