Osmar Manuel Guerra Alvarado PhD candidate Name Ing. O.M. Guerra Alvarado MSc Telephone +31 71 527 5737 E-mail guerra@strw.leidenuniv.nl PhD candidate Science Sterrewacht Sterrewacht Work address Gorlaeus Building Einsteinweg 55 2333 CC Leiden Room number BW3.38 Contact +31 71 527 5737 guerra@strw.leidenuniv.nl No relevant ancillary activities