Table 4
Statistics of the EFIGI “Appearance” attributes given as a percentage of galaxies with given attribute values.
| EFIGI type | Inclination/elongation | ||||
| 0 | 1 | 2 | 3 | 4 | |
|
|
|||||
| cE E | 30 ± 4 | 51 ± 6 | 19 ± 3 | – | – |
| cD | 11 ± 5 | 48 ± 12 | 39 ± 11 | 2 ± 2 | – |
| S0−S0 S0+ | 14 ± 2 | 27 ± 3 | 30 ± 3 | 14 ± 2 | 15 ± 2 |
| S0a Sa | 16 ± 2 | 25 ± 3 | 30 ± 3 | 21 ± 2 | 9 ± 2 |
| Sab Sb | 16 ± 2 | 33 ± 2 | 26 ± 2 | 16 ± 2 | 10 ± 1 |
| Sbc Sc | 16 ± 2 | 24 ± 2 | 27 ± 2 | 17 ± 2 | 16 ± 2 |
| Scd Sd | 18 ± 2 | 21 ± 2 | 14 ± 2 | 17 ± 2 | 29 ± 2 |
| Sdm Sm | 21 ± 2 | 27 ± 2 | 22 ± 2 | 17 ± 2 | 15 ± 2 |
| Im dE | 5 ± 1 | 48 ± 5 | 22 ± 3 | 15 ± 2 | 10 ± 2 |
|
|
|||||
| All disks | 17 ± 1 | 26 ± 1 | 24 ± 1 | 17 ± 1 | 16 ± 1 |
|
|
|||||
| Arm rotation | |||||
| 0–1 | 2 | 3–4 | |||
|
|
|||||
| S0− S0 | 1 ± 1 | 98 ± 7 | 1 ± 1 | ||
| S0+ S0a | 7 ± 2 | 87 ± 7 | 6 ± 1 | ||
| Sa | 20 ± 3 | 58 ± 6 | 23 ± 3 | ||
| Sab Sb Sbc | 39 ± 2 | 28 ± 2 | 34 ± 2 | ||
| Sc Scd Sd | 31 ± 2 | 41 ± 2 | 28 ± 2 | ||
| Sdm Sm | 12 ± 2 | 74 ± 5 | 13 ± 2 | ||
| Im | 1 ± 1 | 98 ± 9 | 1 ± 1 | ||
| dE | 1 ± 1 | 97 ± 17 | 1 ± 1 | ||
|
|
|||||
| All disks | 24 ± 1 | 53 ± 2 | 22 ± 1 | ||
Notes. Null fractions are replaced by “–” for clarity. Fractions are grouped by types having similar values of Inclination/Elongation and Arm Rotation attributes. “All disks” corresponds to types from S0− to Sm. For cE, E and cD galaxies, the Arm Rotation attribute is undefined because none of these galaxies have spiral arms. And very few of the S0−, S0, Im and dE have detectable spiral arms.
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