| Titels | Prof. dr. |
| Initials | A.G.G.M. |
| Main position | Hoogleraar UL |
| Disciplines | Astronomy, astrophysics |
| Chair | Fysica en chemie van het interstellaire medium |
| Domain | Natural Sciences and Engineering |
| Membership | Member |
| Since | 2012 |
| Member of Natural Sciences and Engineering | |
| Employed by |
Leiden University
Leiden Observatory Postbus 9513 2300 RA Leiden tel. 071 527 8465 tielens@strw.leidenuniv.nl |
| Research/publications |
