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Table A.1
EFIGI attributes.
| PGC_name | PGC name |
| T | EFIGI morphological type |
| Bulge_to_Total | Bulge-to-total ratio |
| Arm_Strength | Strength of spiral arms |
| Arm_Curvature | Average curvature of the spiral arms |
| Arm_Rotation | Winding direction of the spiral arms |
| Bar_Length | Length of central bar |
| Inner_Ring | Strength of inner ring, lens or pseudo-ring |
| Outer_Ring | Strength of outer ring |
| Pseudo_Ring | Type and strength of outer pseudo-ring |
| Perturbation | Deviation from a profile with rotational symmetry |
| Visible_Dust | Strength of dust features |
| Dust_Dispersion | Patchiness of dust features |
| Flocculence | Strength of scattered HII regions |
| Hot_Spots | Strength of regions of strong star formation, active nuclei, or stellar nuclei |
| Inclination | Inclination of disks or elongation of spheroids |
| Contamination | Severity of contamination by stars, galaxies or artifacts |
| Multiplicity | Abundance of neighbouring galaxies |
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