| Joachim | Wambsganss | Zentrum fuer Astronomie der Universitaet Heidelberg | 2008-06-03 | 2008-06-08 |
| Misao | Sasaki | Yukawa Institute (Kyoto) | 2008-02-23 | 2008-02-29 |
| Antonino | Flachi | Yukawa Institute (Kyoto) | 2008-01-28 | 2008-01-29 |
| M. | Sazaki | YIIP, University of Kyoto | 2011-04-24 | 2011-04-28 |
| ARAM | SAHARIAN | YEREVAN, ARMENIA | 2013-01-21 | 2013-02-05 |
| Aram | Saharian | Yereban State University | 2008-02-21 | 2008-03-14 |
| Aram | Saharian | Yereban State University | 2009-01-26 | 2009-02-08 |
| Josep | Sanz | Wide Spectrum Software Solutions, SL | 2010-04-04 | 2010-05-04 |
| Carles | Badenes | Weizmann Institute of Science / Tel-Aviv University | 2010-05-10 | 2010-05-14 |
| Andreas | Schmitt | Vienna Institute of Technology (Austria) | 2008-05-08 | 2008-05-11 |
| Carlos | Calvo Juan | UPC - Beca introducció a la investigació CSIC | 2009-07-10 | 2009-09-15 |
| Anuj | Parikh | UPC (EUETIB) | 2007-12-04 | 2007-12-05 |
| Pablo | Loren | UPC | 2011-01-01 | 2012-12-31 |
| Gareth | Kennedy | University of Sidney (Australia) | 2008-11-20 | 2009-01-31 |
| Will | Percival | University of Portsmouth | 2011-03-03 | 2011-03-03 |
| Miguel | Zilhao | University of Porto | 2011-04-04 | 2011-05-08 |
| Carles | Badenes | University of Pittsburgh | 2012-03-07 | 2012-03-07 |
| Alexander | Burinskii | University of Moscow (Russia) | 2009-11-09 | 2009-11-13 |
| Dra. E. | Pozdeva | University of Moscow | 2011-01-30 | 2011-03-10 |
| Juergen | Schaffner-Bielich | University of Heidelberg | 2011-03-02 | 2011-03-03 |
