Classes | Families | Varieties | Stages | T | Type | Code |
Ellipticals | Compact | -6 | cE | cE... | ||
Ellipt. (0-6) | -5 | E0 | .E.0. | |||
Intermediate | -5 | E0-1 | .E.0+ | |||
"cD" | -4 | E+ | .E+.. | |||
Lenticulars | S0 | .L | ||||
Non-barred | SA0 | .LA | ||||
Barred | SB0 | .LB | ||||
Mixed | SAB0 | .LX | ||||
Inner ring | S(r)0 | .L.R | ||||
S-shaped | S(s)0 | .L.S | ||||
Mixed | S(rs)0 | .L.T | ||||
Early | -3 | S0- | .L..- | |||
Intermediate | -2 | S0° | .L..0 | |||
Late | -1 | S0+ | .L..+ | |||
Spirals | Non-barred | SA | .SA | |||
Barred | SB | .SB | ||||
Mixed | SAB | .SX | ||||
Inner ring | S(r) | .S.R | ||||
S-shaped | S(s) | .S.S | ||||
Mixed | S(rs) | .S.T | ||||
0/a | 0 | S0/a | .S..0 | |||
a | 1 | Sa | .S..1 | |||
ab | 2 | Sab | .S..2 | |||
b | 3 | Sb | .S..3 | |||
bc | 4 | Sbc | .S..4 | |||
c | 5 | Sc | .S..5 | |||
cd | 6 | Scd | .S..6 | |||
d | 7 | Sd | .S..7 | |||
dm | 8 | Sdm | .S..8 | |||
m | 9 | Sm | .S..9 | |||
Irregulars | Non-barred | IA | .IA | |||
Barred | IB | .IB | ||||
Mixed | IAB | .IX | ||||
S-shaped | I(s) | .I.S | ||||
Non-Magellanic | 90 | I0 | .I.0 | |||
Magellanic | 10 | Im | .I..9 | |||
Compact | 11 | cI | cI | |||
Peculiars | 99 | Pec | .P | |||
Peculiarities | Peculiarity | pec | .....P | |||
(All types) | Uncertain | : | ....* | |||
Doubtful | ? | ....? | ||||
Spindle | sp | ...../ | ||||
Outer ring | (R) | R...... | ||||
Pseudo-outer R | (R') | P...... | ||||
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Created by
Rami T. F. Rekola |