|
1 Introduction |
|
|
2 Observations |
|
|
3 Spectral classification of S 23 |
|
|
4 Interstellar and circumstellar extinction |
|
|
5 Stellar rotation |
|
|
6 Discussion |
|
|
7 Conclusions |
|
|
References |
|
|
List of tables |
|
|
List of figures |